ShanaEncoder Parameters

Advanced global options:
-cpuflags flags force specific cpu flags
-cpucount count force specific cpu count
-hide_banner hide_banner do not show program banner
-copy_unknown Copy unknown stream types
-recast_media allow recasting stream type in order to force a decoder of different media type
-benchmark add timings for benchmarking
-benchmark_all add timings for each task
-progress url write program-readable progress information
-stdin enable or disable interaction on standard input
-timelimit limit set max runtime in seconds in CPU user time
-dump dump each input packet
-hex when dumping packets, also dump the payload
-vsync set video sync method globally; deprecated, use -fps_mode
-frame_drop_threshold frame drop threshold
-adrift_threshold threshold deprecated, does nothing
-copyts copy timestamps
-start_at_zero shift input timestamps to start at 0 when using copyts
-copytb mode copy input stream time base when stream copying
-dts_delta_threshold threshold timestamp discontinuity delta threshold
-dts_error_threshold threshold timestamp error delta threshold
-xerror error exit on error
-abort_on flags abort on the specified condition flags
-filter_complex graph_description create a complex filtergraph
-lavfi graph_description create a complex filtergraph
-filter_complex_script filename read complex filtergraph description from a file
-auto_conversion_filters enable automatic conversion filters globally
-stats_period time set the period at which ffmpeg updates stats and -progress output
-debug_ts print timestamp debugging info
-psnr calculate PSNR of compressed frames (deprecated, use -flags +psnr)
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-vstats_version Version of the vstats format to use.
-qphist deprecated, does nothing
-sdp_file file specify a file in which to print sdp information
-qsv_device device set QSV hardware device (DirectX adapter index, DRM path or X11 display name)
-init_hw_device args initialise hardware device
-filter_hw_device device set hardware device used when filtering
-gui_hwnd gui hWnd

Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-sseof time_off set the start time offset relative to EOF
-seek_timestamp enable/disable seeking by timestamp with -ss
-metadata string=string add metadata
-program title=string:st=number... add program with specified streams
-target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
-apad audio pad
-frames number set the number of frames to output
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes
-discard discard
-disposition disposition
-timestamp time set the recording timestamp

Advanced per-file options:
-map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]] set input stream mapping
-map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another (deprecated)
-map_chapters input_file_index set chapters mapping
-accurate_seek enable/disable accurate seeking with -ss
-isync sync ref Indicate the input index for sync reference
-itsoffset time_off set the input ts offset
-itsscale scale set the input ts scale
-dframes number set the number of data frames to output
-re read input at native frame rate; equivalent to -readrate 1
-readrate speed read input at specified rate
-readrate_initial_burst seconds The initial amount of input to burst read before imposing any readrate
-shortest finish encoding within shortest input
-shortest_buf_duration maximum buffering duration (in seconds) for the -shortest option
-bitexact bitexact mode
-copyinkf copy initial non-keyframes
-copypriorss copy or discard frames before start time
-tag fourcc/tag force codec tag/fourcc
-q q use fixed quality scale (VBR)
-qscale q use fixed quality scale (VBR)
-profile profile set profile
-attach filename add an attachment to the output file
-dump_attachment filename extract an attachment into a file
-stream_loop loop count set number of times input stream shall be looped
-thread_queue_size set the maximum number of queued packets from the demuxer
-find_stream_info read and decode the streams to fill missing information with heuristics
-bits_per_raw_sample number set the number of bits per raw sample
-stats_enc_pre write encoding stats before encoding
-stats_enc_post write encoding stats after encoding
-stats_mux_pre write packets stats before muxing
-stats_enc_pre_fmt format of the stats written with -stats_enc_pre
-stats_enc_post_fmt format of the stats written with -stats_enc_post
-stats_mux_pre_fmt format of the stats written with -stats_mux_pre
-autorotate automatically insert correct rotate filters
-autoscale automatically insert a scale filter at the end of the filter graph
-muxdelay seconds set the maximum demux-decode delay
-muxpreload seconds set the initial demux-decode delay
-time_base ratio set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)
-enc_time_base ratio set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). two special values are defined - 0 = use frame rate (video) or sample rate (audio),-1 = match source time base
-bsf bitstream_filters A comma-separated list of bitstream filters
-fpre filename set options from indicated preset file
-max_muxing_queue_size packets maximum number of packets that can be buffered while waiting for all streams to initialize
-muxing_queue_data_threshold bytes set the threshold after which max_muxing_queue_size is taken into account
-dcodec codec force data codec ('copy' to copy stream)

Video options:
-vframes number set the number of video frames to output
-r rate set frame rate (Hz value, fraction or abbreviation)
-fpsmax rate set max frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
-display_rotation angle set pure counter-clockwise rotation in degrees for stream(s)
-display_hflip set display horizontal flip for stream(s) (overrides any display rotation if it is not set)
-display_vflip set display vertical flip for stream(s) (overrides any display rotation if it is not set)
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 to 3)
-vf filter_graph set video filters
-b bitrate video bitrate (please use -b:v)
-dn disable data

Advanced Video options:
-pix_fmt format set pixel format
-rc_override override rate control override for specific intervals
-passlogfile prefix select two pass log file name prefix
-psnr calculate PSNR of compressed frames (deprecated, use -flags +psnr)
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-vstats_version Version of the vstats format to use.
-intra_matrix matrix specify intra matrix coeffs
-inter_matrix matrix specify inter matrix coeffs
-chroma_intra_matrix matrix specify intra matrix coeffs
-top top=1/bottom=0/auto=-1 field first
-vtag fourcc/tag force video tag/fourcc
-qphist deprecated, does nothing
-fps_mode set framerate mode for matching video streams; overrides vsync
-force_fps force the selected framerate, disable the best supported framerate selection
-streamid streamIndex:value set the value of an outfile streamid
-force_key_frames timestamps force key frames at specified timestamps
-hwaccel hwaccel name use HW accelerated decoding
-hwaccel_device devicename select a device for HW acceleration
-hwaccel_output_format format select output format used with HW accelerated decoding
-fix_sub_duration_heartbeat set this video output stream to be a heartbeat stream for fix_sub_duration, according to which subtitles should be split at random access points
-vbsf video bitstream_filters deprecated
-vpre preset set the video options to the indicated preset

Audio options:
-aframes number set the number of audio frames to output
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-ab bitrate audio bitrate (please use -b:a)
-af filter_graph set audio filters

Advanced Audio options:
-atag fourcc/tag force audio tag/fourcc
-sample_fmt format set sample format
-channel_layout layout set channel layout
-ch_layout layout set channel layout
-guess_layout_max set the maximum number of channels to try to guess the channel layout
-absf audio bitstream_filters deprecated
-apre preset set the audio options to the indicated preset

Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-canvas_size size set canvas size (WxH or abbreviation)
-spre preset set the subtitle options to the indicated preset

AVCodecContext AVOptions:
-b <int64> E..VA...... set bitrate (in bits/s) (from 0 to I64_MAX) (default 200000)
-ab <int64> E...A...... set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000)
-bt <int> E..VA...... Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 0 to INT_MAX) (default 4000000)
-flags <flags> ED.VAS..... (default 0)
unaligned .D.V....... allow decoders to produce unaligned output
mv4 E..V....... use four motion vectors per macroblock (MPEG-4)
qpel E..V....... use 1/4-pel motion compensation
loop E..V....... use loop filter
gray ED.V....... only decode/encode grayscale
psnr E..V....... error[?] variables will be set during encoding
ildct E..V....... use interlaced DCT
low_delay ED.V....... force low delay
global_header E..VA...... place global headers in extradata instead of every keyframe
bitexact ED.VAS..... use only bitexact functions (except (I)DCT)
aic E..V....... H.263 advanced intra coding / MPEG-4 AC prediction
ilme E..V....... interlaced motion estimation
cgop E..V....... closed GOP
output_corrupt .D.V....... Output even potentially corrupted frames
drop_changed .D.VA.....P Drop frames whose parameters differ from first decoded frame
-flags2 <flags> ED.VAS..... (default 0)
fast E..V....... allow non-spec-compliant speedup tricks
noout E..V....... skip bitstream encoding
ignorecrop .D.V....... ignore cropping information from sps
local_header E..V....... place global headers at every keyframe instead of in extradata
chunks .D.V....... Frame data might be split into multiple chunks
showall .D.V....... Show all frames before the first keyframe
export_mvs .D.V....... export motion vectors through frame side data
skip_manual .D..A...... do not skip samples and export skip information as frame side data
ass_ro_flush_noop .D...S..... do not reset ASS ReadOrder field on flush
icc_profiles .D...S..... generate/parse embedded ICC profiles from/to colorimetry tags
-export_side_data <flags> ED.VAS..... Export metadata as side data (default 0)
mvs .D.V....... export motion vectors through frame side data
prft E..VAS..... export Producer Reference Time through packet side data
venc_params .D.V....... export video encoding parameters through frame side data
film_grain .D.V....... export film grain parameters through frame side data
-g <int> E..V....... set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default 12)
-ar <int> ED..A...... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0)
-ac <int> ED..A...... set number of audio channels (from 0 to INT_MAX) (default 0)
-cutoff <int> E...A...... set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0)
-frame_size <int> E...A...... (from 0 to INT_MAX) (default 0)
-qcomp <float> E..V....... video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (from -FLT_MAX to FLT_MAX) (default 0.5)
-qblur <float> E..V....... video quantizer scale blur (VBR) (from -1 to FLT_MAX) (default 0.5)
-qmin <int> E..V....... minimum video quantizer scale (VBR) (from -1 to 69) (default 2)
-qmax <int> E..V....... maximum video quantizer scale (VBR) (from -1 to 1024) (default 31)
-qdiff <int> E..V....... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3)
-bf <int> E..V....... set maximum number of B-frames between non-B-frames (from -1 to INT_MAX) (default 0)
-b_qfactor <float> E..V....... QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
-bug <flags> .D.V....... work around not autodetected encoder bugs (default autodetect)
autodetect .D.V.......
xvid_ilace .D.V....... Xvid interlacing bug (autodetected if FOURCC == XVIX)
ump4 .D.V....... (autodetected if FOURCC == UMP4)
no_padding .D.V....... padding bug (autodetected)
amv .D.V.......
qpel_chroma .D.V.......
std_qpel .D.V....... old standard qpel (autodetected per FOURCC/version)
qpel_chroma2 .D.V.......
direct_blocksize .D.V....... direct-qpel-blocksize bug (autodetected per FOURCC/version)
edge .D.V....... edge padding bug (autodetected per FOURCC/version)
hpel_chroma .D.V.......
dc_clip .D.V.......
ms .D.V....... work around various bugs in Microsoft's broken decoders
trunc .D.V....... truncated frames
iedge .D.V.......
-strict <int> ED.VA...... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal)
very 2 ED.VA...... strictly conform to a older more strict version of the spec or reference software
strict 1 ED.VA...... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.VA......
unofficial -1 ED.VA...... allow unofficial extensions
experimental -2 ED.VA...... allow non-standardized experimental things
-b_qoffset <float> E..V....... QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
-err_detect <flags> ED.VAS..... set error detection flags (default 0)
crccheck ED.VAS..... verify embedded CRCs
bitstream ED.VAS..... detect bitstream specification deviations
buffer ED.VAS..... detect improper bitstream length
explode ED.VAS..... abort decoding on minor error detection
ignore_err ED.VAS..... ignore errors
careful ED.VAS..... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant ED.VAS..... consider all spec non compliancies as errors
aggressive ED.VAS..... consider things that a sane encoder should not do as an error
-maxrate <int64> E..VA...... maximum bitrate (in bits/s). Used for VBV together with bufsize. (from 0 to INT_MAX) (default 0)
-minrate <int64> E..VA...... minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default 0)
-bufsize <int> E..VA...... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0)
-i_qfactor <float> E..V....... QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8)
-i_qoffset <float> E..V....... QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default 0)
-dct <int> E..V....... DCT algorithm (from 0 to INT_MAX) (default auto)
auto 0 E..V....... autoselect a good one
fastint 1 E..V....... fast integer
int 2 E..V....... accurate integer
mmx 3 E..V.......
altivec 5 E..V.......
faan 6 E..V....... floating point AAN DCT
-lumi_mask <float> E..V....... compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
-tcplx_mask <float> E..V....... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
-scplx_mask <float> E..V....... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
-p_mask <float> E..V....... inter masking (from -FLT_MAX to FLT_MAX) (default 0)
-dark_mask <float> E..V....... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
-idct <int> ED.V....... select IDCT implementation (from 0 to INT_MAX) (default auto)
auto 0 ED.V.......
int 1 ED.V.......
simple 2 ED.V.......
simplemmx 3 ED.V.......
arm 7 ED.V.......
altivec 8 ED.V.......
simplearm 10 ED.V.......
simplearmv5te 16 ED.V.......
simplearmv6 17 ED.V.......
simpleneon 22 ED.V.......
xvid 14 ED.V.......
xvidmmx 14 ED.V....... deprecated, for compatibility only
faani 20 ED.V....... floating point AAN IDCT
simpleauto 128 ED.V.......
-ec <flags> .D.V....... set error concealment strategy (default guess_mvs+deblock)
guess_mvs .D.V....... iterative motion vector (MV) search (slow)
deblock .D.V....... use strong deblock filter for damaged MBs
favor_inter .D.V....... favor predicting from the previous frame
-aspect <rational> E..V....... sample aspect ratio (from 0 to 10) (default 0/1)
-sar <rational> E..V....... sample aspect ratio (from 0 to 10) (default 0/1)
-debug <flags> ED.VAS..... print specific debug info (default 0)
pict .D.V....... picture info
rc E..V....... rate control
bitstream .D.V.......
mb_type .D.V....... macroblock (MB) type
qp .D.V....... per-block quantization parameter (QP)
mv .D.V....... motion vector
dct_coeff .D.V.......
green_metadata .D.V.......
skip .D.V.......
startcode .D.V.......
er .D.V....... error recognition
mmco .D.V....... memory management control operations (H.264)
bugs .D.V.......
vis_qp .D.V....... visualize quantization parameter (QP), lower QP are tinted greener
vis_mb_type .D.V....... visualize block types
buffers .D.V....... picture buffer allocations
thread_ops .D.VA...... threading operations
nomc .D.VA...... skip motion compensation
-dia_size <int> E..V....... diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default 0)
-last_pred <int> E..V....... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0)
-pre_dia_size <int> E..V....... diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default 0)
-subq <int> E..V....... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8)
-me_range <int> E..V....... limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0)
-global_quality <int> E..VA...... (from INT_MIN to INT_MAX) (default 0)
-mbd <int> E..V....... macroblock decision algorithm (high quality mode) (from 0 to 2) (default simple)
simple 0 E..V....... use mbcmp
bits 1 E..V....... use fewest bits
rd 2 E..V....... use best rate distortion
-rc_init_occupancy <int> E..V....... number of bits which should be loaded into the rc buffer before decoding starts (from INT_MIN to INT_MAX) (default 0)
-threads <int> ED.VA...... set the number of threads (from 0 to INT_MAX) (default 1)
auto 0 ED.V....... autodetect a suitable number of threads to use
-dc <int> E..V....... intra_dc_precision (from -8 to 16) (default 0)
-nssew <int> E..V....... nsse weight (from INT_MIN to INT_MAX) (default 8)
-skip_top <int> .D.V....... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0)
-skip_bottom <int> .D.V....... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0)
-profile <int> E..VA...... (from INT_MIN to INT_MAX) (default unknown)
unknown -99 E..VA......
main10 2 E..V.......
-level <int> E..VA...... (from INT_MIN to INT_MAX) (default unknown)
unknown -99 E..VA......
-lowres <int> .D.VA...... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0)
-cmp <int> E..V....... full-pel ME compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-subcmp <int> E..V....... sub-pel ME compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-mbcmp <int> E..V....... macroblock compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-ildctcmp <int> E..V....... interlaced DCT compare function (from INT_MIN to INT_MAX) (default vsad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-precmp <int> E..V....... pre motion estimation compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-mblmin <int> E..V....... minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236)
-mblmax <int> E..V....... maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658)
-skip_loop_filter <int> .D.V....... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nointra 24 .D.V....... discard all frames except I frames
nokey 32 .D.V....... discard all frames except keyframes
all 48 .D.V....... discard all frames
-skip_idct <int> .D.V....... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nointra 24 .D.V....... discard all frames except I frames
nokey 32 .D.V....... discard all frames except keyframes
all 48 .D.V....... discard all frames
-skip_frame <int> .D.V....... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nointra 24 .D.V....... discard all frames except I frames
nokey 32 .D.V....... discard all frames except keyframes
all 48 .D.V....... discard all frames
-bidir_refine <int> E..V....... refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1)
-keyint_min <int> E..V....... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25)
-refs <int> E..V....... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1)
-trellis <int> E..VA...... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0)
-mv0_threshold <int> E..V....... (from 0 to INT_MAX) (default 256)
-compression_level <int> E..VA...... (from INT_MIN to INT_MAX) (default -1)
-ch_layout <channel_layout> ED..A......
-channel_layout <channel_layout> ED..A...... (default 0x0)
-request_channel_layout <channel_layout> .D..A...... (default 0x0)
-rc_max_vbv_use <float> E..V....... (from 0 to FLT_MAX) (default 0)
-rc_min_vbv_use <float> E..V....... (from 0 to FLT_MAX) (default 3)
-ticks_per_frame <int> ED.VA...... (from 1 to INT_MAX) (default 1)
-color_primaries <int> ED.V....... color primaries (from 1 to INT_MAX) (default unknown)
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
bt470m 4 ED.V....... BT.470 M
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
film 8 ED.V....... Film
bt2020 9 ED.V....... BT.2020
smpte428 10 ED.V....... SMPTE 428-1
smpte428_1 10 ED.V....... SMPTE 428-1
smpte431 11 ED.V....... SMPTE 431-2
smpte432 12 ED.V....... SMPTE 422-1
jedec-p22 22 ED.V....... JEDEC P22
ebu3213 22 ED.V....... EBU 3213-E
unspecified 2 ED.V....... Unspecified
-color_trc <int> ED.V....... color transfer characteristics (from 1 to INT_MAX) (default unknown)
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
gamma22 4 ED.V....... BT.470 M
gamma28 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
linear 8 ED.V....... Linear
log100 9 ED.V....... Log
log316 10 ED.V....... Log square root
iec61966-2-4 11 ED.V....... IEC 61966-2-4
bt1361e 12 ED.V....... BT.1361
iec61966-2-1 13 ED.V....... IEC 61966-2-1
bt2020-10 14 ED.V....... BT.2020 - 10 bit
bt2020-12 15 ED.V....... BT.2020 - 12 bit
smpte2084 16 ED.V....... SMPTE 2084
smpte428 17 ED.V....... SMPTE 428-1
arib-std-b67 18 ED.V....... ARIB STD-B67
unspecified 2 ED.V....... Unspecified
log 9 ED.V....... Log
log_sqrt 10 ED.V....... Log square root
iec61966_2_4 11 ED.V....... IEC 61966-2-4
bt1361 12 ED.V....... BT.1361
iec61966_2_1 13 ED.V....... IEC 61966-2-1
bt2020_10bit 14 ED.V....... BT.2020 - 10 bit
bt2020_12bit 15 ED.V....... BT.2020 - 12 bit
smpte428_1 17 ED.V....... SMPTE 428-1
-colorspace <int> ED.V....... color space (from 0 to INT_MAX) (default unknown)
rgb 0 ED.V....... RGB
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
fcc 4 ED.V....... FCC
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
ycgco 8 ED.V....... YCGCO
bt2020nc 9 ED.V....... BT.2020 NCL
bt2020c 10 ED.V....... BT.2020 CL
smpte2085 11 ED.V....... SMPTE 2085
chroma-derived-nc 12 ED.V....... Chroma-derived NCL
chroma-derived-c 13 ED.V....... Chroma-derived CL
ictcp 14 ED.V....... ICtCp
unspecified 2 ED.V....... Unspecified
ycocg 8 ED.V....... YCGCO
bt2020_ncl 9 ED.V....... BT.2020 NCL
bt2020_cl 10 ED.V....... BT.2020 CL
-color_range <int> ED.V....... color range (from 0 to INT_MAX) (default unknown)
unknown 0 ED.V....... Unspecified
tv 1 ED.V....... MPEG (219*2^(n-8))
pc 2 ED.V....... JPEG (2^n-1)
unspecified 0 ED.V....... Unspecified
mpeg 1 ED.V....... MPEG (219*2^(n-8))
jpeg 2 ED.V....... JPEG (2^n-1)
-chroma_sample_location <int> ED.V....... chroma sample location (from 0 to INT_MAX) (default unknown)
unknown 0 ED.V....... Unspecified
left 1 ED.V....... Left
center 2 ED.V....... Center
topleft 3 ED.V....... Top-left
top 4 ED.V....... Top
bottomleft 5 ED.V....... Bottom-left
bottom 6 ED.V....... Bottom
unspecified 0 ED.V....... Unspecified
-slices <int> E..V....... set the number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0)
-thread_type <flags> ED.VA...... select multithreading type (default slice+frame)
slice ED.V.......
frame ED.V.......
-audio_service_type <int> E...A...... audio service type (from 0 to 8) (default ma)
ma 0 E...A...... Main Audio Service
ef 1 E...A...... Effects
vi 2 E...A...... Visually Impaired
hi 3 E...A...... Hearing Impaired
di 4 E...A...... Dialogue
co 5 E...A...... Commentary
em 6 E...A...... Emergency
vo 7 E...A...... Voice Over
ka 8 E...A...... Karaoke
-request_sample_fmt <sample_fmt> .D..A...... sample format audio decoders should prefer (default none)
-sub_charenc <string> .D...S..... set input text subtitles character encoding
-sub_charenc_mode <flags> .D...S..... set input text subtitles character encoding mode (default 0)
do_nothing .D...S.....
auto .D...S.....
pre_decoder .D...S.....
ignore .D...S.....
-apply_cropping <boolean> .D.V....... (default true)
-skip_alpha <boolean> .D.V....... Skip processing alpha (default false)
-field_order <int> ED.V....... Field order (from 0 to 5) (default 0)
progressive 1 ED.V.......
tt 2 ED.V.......
bb 3 ED.V.......
tb 4 ED.V.......
bt 5 ED.V.......
-dump_separator <string> ED.VAS..... set information dump field separator
-codec_whitelist <string> .D.VAS..... List of decoders that are allowed to be used
-max_pixels <int64> ED.VAS..... Maximum number of pixels (from 0 to INT_MAX) (default INT_MAX)
-max_samples <int64> ED..A...... Maximum number of samples (from 0 to INT_MAX) (default INT_MAX)
-hwaccel_flags <flags> .D.V....... (default ignore_level)
ignore_level .D.V....... ignore level even if the codec level used is unknown or higher than the maximum supported level reported by the hardware driver
allow_high_depth .D.V....... allow to output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component
allow_profile_mismatch .D.V....... attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream
unsafe_output .D.V....... allow potentially unsafe hwaccel frame output that might require special care to process successfully
-extra_hw_frames <int> .D.V....... Number of extra hardware frames to allocate for the user (from -1 to INT_MAX) (default -1)
-discard_damaged_percentage <int> .D.V....... Percentage of damaged samples to discard a frame (from 0 to 100) (default 95)

amv encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-huffman <int> E..V....... Huffman table strategy (from 0 to 1) (default optimal)
default 0 E..V.......
optimal 1 E..V.......
-force_duplicated_matrix <boolean> E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)

(A)PNG encoder AVOptions:
-dpi <int> E..V....... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
-dpm <int> E..V....... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
-pred <int> E..V....... Prediction method (from 0 to 5) (default none)
none 0 E..V.......
sub 1 E..V.......
up 2 E..V.......
avg 3 E..V.......
paeth 4 E..V.......
mixed 5 E..V.......

cfhd AVOptions:
-quality <int> E..V....... set quality (from 0 to 12) (default film3+)
film3+ 0 E..V.......
film3 1 E..V.......
film2+ 2 E..V.......
film2 3 E..V.......
film1.5 4 E..V.......
film1+ 5 E..V.......
film1 6 E..V.......
high+ 7 E..V.......
high 8 E..V.......
medium+ 9 E..V.......
medium 10 E..V.......
low+ 11 E..V.......
low 12 E..V.......

cinepak AVOptions:
-max_extra_cb_iterations <int> E..V....... Max extra codebook recalculation passes, more is better and slower (from 0 to INT_MAX) (default 2)
-skip_empty_cb <boolean> E..V....... Avoid wasting bytes, ignore vintage MacOS decoder (default false)
-max_strips <int> E..V....... Limit strips/frame, vintage compatible is 1..3, otherwise the more the better (from 1 to 32) (default 3)
-min_strips <int> E..V....... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from 1 to 32) (default 1)
-strip_number_adaptivity <int> E..V....... How fast the strip number adapts, more is slightly better, much slower (from 0 to 31) (default 0)

cljr encoder AVOptions:
-dither_type <int> E..V....... Dither type (from 0 to 2) (default 1)

dnxhd AVOptions:
-nitris_compat <boolean> E..V....... encode with Avid Nitris compatibility (default false)
-ibias <int> E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 0)
-profile <int> E..V....... (from 0 to 5) (default dnxhd)
dnxhd 0 E..V.......
dnxhr_444 5 E..V.......
dnxhr_hqx 4 E..V.......
dnxhr_hq 3 E..V.......
dnxhr_sq 2 E..V.......
dnxhr_lb 1 E..V.......

dvvideo encoder AVOptions:
-quant_deadzone <int> E..V....... Quantizer dead zone (from 0 to 1024) (default 7)

exr AVOptions:
-compression <int> E..V....... set compression type (from 0 to 3) (default none)
none 0 E..V....... none
rle 1 E..V....... RLE
zip1 2 E..V....... ZIP1
zip16 3 E..V....... ZIP16
-format <int> E..V....... set pixel type (from 1 to 2) (default float)
half 1 E..V.......
float 2 E..V.......
-gamma <float> E..V....... set gamma (from 0.001 to FLT_MAX) (default 1)

ffv1 encoder AVOptions:
-slicecrc <boolean> E..V....... Protect slices with CRCs (default auto)
-coder <int> E..V....... Coder type (from -2 to 2) (default rice)
rice 0 E..V....... Golomb rice
range_def -2 E..V....... Range with default table
range_tab 2 E..V....... Range with custom table
ac 1 E..V....... Range with custom table (the ac option exists for compatibility and is deprecated)
-context <int> E..V....... Context model (from 0 to 1) (default 0)

ffvhuff AVOptions:
-non_deterministic <boolean> E..V....... Allow multithreading for e.g. context=1 at the expense of determinism (default false)
-pred <int> E..V....... Prediction method (from 0 to 2) (default left)
left 0 E..V.......
plane 1 E..V.......
median 2 E..V.......
-context <int> E..V....... Set per-frame huffman tables (from 0 to 1) (default 0)

generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+009) (default 0)

GIF encoder AVOptions:
-gifflags <flags> E..V....... set GIF flags (default offsetting+transdiff)
offsetting E..V....... enable picture offsetting
transdiff E..V....... enable transparency detection between frames
-gifimage <boolean> E..V....... enable encoding only images per frame (default false)
-global_palette <boolean> E..V....... write a palette to the global gif header where feasible (default true)

H.263 encoder AVOptions:
-obmc <boolean> E..V....... use overlapped block motion compensation. (default false)
-mb_info <int> E..V....... emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size (from 0 to INT_MAX) (default 0)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+009) (default 0)

H.263p encoder AVOptions:
-umv <boolean> E..V....... Use unlimited motion vectors. (default false)
-aiv <boolean> E..V....... Use alternative inter VLC. (default false)
-obmc <boolean> E..V....... use overlapped block motion compensation. (default false)
-structured_slices <boolean> E..V....... Write slice start position at every GOB header instead of just GOB number. (default false)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+009) (default 0)

huffyuv AVOptions:
-non_deterministic <boolean> E..V....... Allow multithreading for e.g. context=1 at the expense of determinism (default false)
-pred <int> E..V....... Prediction method (from 0 to 2) (default left)
left 0 E..V.......
plane 1 E..V.......
median 2 E..V.......

jpeg 2000 encoder AVOptions:
-format <int> E..V....... Codec Format (from 0 to 1) (default jp2)
j2k 0 E..V.......
jp2 1 E..V.......
-tile_width <int> E..V....... Tile Width (from 1 to 1.07374e+009) (default 256)
-tile_height <int> E..V....... Tile Height (from 1 to 1.07374e+009) (default 256)
-pred <int> E..V....... DWT Type (from 0 to 1) (default dwt97int)
dwt97int 0 E..V.......
dwt53 1 E..V.......
-sop <int> E..V....... SOP marker (from 0 to 1) (default 0)
-eph <int> E..V....... EPH marker (from 0 to 1) (default 0)
-prog <int> E..V....... Progression Order (from 0 to 4) (default lrcp)
lrcp 0 E..V.......
rlcp 1 E..V.......
rpcl 2 E..V.......
pcrl 3 E..V.......
cprl 4 E..V.......
-layer_rates <string> E..V....... Layer Rates

jpegls AVOptions:
-pred <int> E..V....... Prediction method (from 0 to 2) (default left)
left 0 E..V.......
plane 1 E..V.......
median 2 E..V.......

ljpeg AVOptions:
-pred <int> E..V....... Prediction method (from 1 to 3) (default left)
left 1 E..V.......
plane 2 E..V.......
median 3 E..V.......

magicyuv AVOptions:
-pred <int> E..V....... Prediction method (from 1 to 3) (default left)
left 1 E..V.......
gradient 2 E..V.......
median 3 E..V.......

mjpeg encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-huffman <int> E..V....... Huffman table strategy (from 0 to 1) (default optimal)
default 0 E..V.......
optimal 1 E..V.......
-force_duplicated_matrix <boolean> E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)

mpeg1video encoder AVOptions:
-gop_timecode <string> E..V....... MPEG GOP Timecode in hh:mm:ss[:;.]ff format. Overrides timecode_frame_start.
-drop_frame_timecode <boolean> E..V....... Timecode is in drop frame format. (default false)
-scan_offset <boolean> E..V....... Reserve space for SVCD scan offset user data. (default false)
-timecode_frame_start <int64> E..V....... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-b_sensitivity <int> E..V....... Adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-brd_scale <int> E..V....... Downscale frames for dynamic B-frame decision (from 0 to 3) (default 0)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+009) (default 0)

mpeg2video encoder AVOptions:
-gop_timecode <string> E..V....... MPEG GOP Timecode in hh:mm:ss[:;.]ff format. Overrides timecode_frame_start.
-drop_frame_timecode <boolean> E..V....... Timecode is in drop frame format. (default false)
-scan_offset <boolean> E..V....... Reserve space for SVCD scan offset user data. (default false)
-timecode_frame_start <int64> E..V....... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-b_sensitivity <int> E..V....... Adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-brd_scale <int> E..V....... Downscale frames for dynamic B-frame decision (from 0 to 3) (default 0)
-intra_vlc <boolean> E..V....... Use MPEG-2 intra VLC table. (default false)
-non_linear_quant <boolean> E..V....... Use nonlinear quantizer. (default false)
-alternate_scan <boolean> E..V....... Enable alternate scantable. (default false)
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-seq_disp_ext <int> E..V....... Write sequence_display_extension blocks. (from -1 to 1) (default auto)
auto -1 E..V.......
never 0 E..V.......
always 1 E..V.......
-video_format <int> E..V....... Video_format in the sequence_display_extension indicating the source of the video. (from 0 to 7) (default unspecified)
component 0 E..V.......
pal 1 E..V.......
ntsc 2 E..V.......
secam 3 E..V.......
mac 4 E..V.......
unspecified 5 E..V.......
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+009) (default 0)

MPEG4 encoder AVOptions:
-data_partitioning <boolean> E..V....... Use data partitioning. (default false)
-alternate_scan <boolean> E..V....... Enable alternate scantable. (default false)
-mpeg_quant <int> E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-b_sensitivity <int> E..V....... Adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-brd_scale <int> E..V....... Downscale frames for dynamic B-frame decision (from 0 to 3) (default 0)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+009) (default 0)

ProRes encoder AVOptions:
-vendor <string> E..V....... vendor ID (default "fmpg")

ProRes encoder AVOptions:
-mbs_per_slice <int> E..V....... macroblocks per slice (from 1 to 8) (default 8)
-profile <int> E..V....... (from -1 to 5) (default auto)
auto -1 E..V.......
proxy 0 E..V.......
lt 1 E..V.......
standard 2 E..V.......
hq 3 E..V.......
4444 4 E..V.......
4444xq 5 E..V.......
-vendor <string> E..V....... vendor ID (default "Lavc")
-bits_per_mb <int> E..V....... desired bits per macroblock (from 0 to 8192) (default 0)
-quant_mat <int> E..V....... quantiser matrix (from -1 to 6) (default auto)
auto -1 E..V.......
proxy 0 E..V.......
lt 2 E..V.......
standard 3 E..V.......
hq 4 E..V.......
default 6 E..V.......
-alpha_bits <int> E..V....... bits for alpha plane (from 0 to 16) (default 16)

RoQ AVOptions:
-quake3_compat <boolean> E..V....... Whether to respect known limitations in Quake 3 decoder (default true)

rpza AVOptions:
-skip_frame_thresh <int> E..V....... (from 0 to 24) (default 1)
-start_one_color_thresh <int> E..V....... (from 0 to 24) (default 1)
-continue_one_color_thresh <int> E..V....... (from 0 to 24) (default 0)
-sixteen_color_thresh <int> E..V....... (from 0 to 24) (default 1)

sgi AVOptions:
-rle <int> E..V....... Use run-length compression (from 0 to 1) (default 1)

snow encoder AVOptions:
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 3) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
iter 3 E..V.......
-memc_only <boolean> E..V....... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (default false)
-no_bitstream <boolean> E..V....... Skip final bitstream writeout. (default false)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decission (from 0 to INT_MAX) (default 0)
-iterative_dia_size <int> E..V....... Dia size for the iterative ME (from 0 to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-pred <int> E..V....... Spatial decomposition type (from 0 to 1) (default dwt97)
dwt97 0 E..V.......
dwt53 1 E..V.......
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.

sunrast AVOptions:
-rle <int> E..V....... Use run-length compression (from 0 to 1) (default 1)

svq1enc AVOptions:
-motion-est <int> E..V....... Motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......

targa AVOptions:
-rle <int> E..V....... Use run-length compression (from 0 to 1) (default 1)

TIFF encoder AVOptions:
-dpi <int> E..V....... set the image resolution (in dpi) (from 1 to 65536) (default 72)
-compression_algo <int> E..V....... (from 1 to 32946) (default packbits)
packbits 32773 E..V.......
raw 1 E..V.......
lzw 5 E..V.......
deflate 32946 E..V.......

utvideo AVOptions:
-pred <int> E..V....... Prediction method (from 0 to 3) (default left)
none 0 E..V.......
left 1 E..V.......
gradient 2 E..V.......
median 3 E..V.......

VBN encoder AVOptions:
-format <int> E..V....... Texture format (from 0 to 3) (default dxt5)
raw 0 E..V....... RAW texture
dxt1 2 E..V....... DXT1 texture
dxt5 3 E..V....... DXT5 texture

SMPTE VC-2 encoder AVOptions:
-tolerance <double> E..V....... Max undershoot in percent (from 0 to 45) (default 5)
-slice_width <int> E..V....... Slice width (from 32 to 1024) (default 32)
-slice_height <int> E..V....... Slice height (from 8 to 1024) (default 16)
-wavelet_depth <int> E..V....... Transform depth (from 1 to 5) (default 4)
-wavelet_type <int> E..V....... Transform type (from 0 to 7) (default 9_7)
9_7 0 E..V....... Deslauriers-Dubuc (9,7)
5_3 1 E..V....... LeGall (5,3)
haar 4 E..V....... Haar (with shift)
haar_noshift 3 E..V....... Haar (without shift)
-qm <int> E..V....... Custom quantization matrix (from 0 to 3) (default default)
default 0 E..V....... Default from the specifications
color 1 E..V....... Prevents low bitrate discoloration
flat 2 E..V....... Optimize for PSNR

AAC encoder AVOptions:
-aac_coder <int> E...A...... Coding algorithm (from 0 to 2) (default twoloop)
anmr 0 E...A...... ANMR method
twoloop 1 E...A...... Two loop searching method
fast 2 E...A...... Default fast search
-aac_ms <boolean> E...A...... Force M/S stereo coding (default auto)
-aac_is <boolean> E...A...... Intensity stereo coding (default true)
-aac_pns <boolean> E...A...... Perceptual noise substitution (default true)
-aac_tns <boolean> E...A...... Temporal noise shaping (default true)
-aac_ltp <boolean> E...A...... Long term prediction (default false)
-aac_pred <boolean> E...A...... AAC-Main prediction (default false)
-aac_pce <boolean> E...A...... Forces the use of PCEs (default false)

AC-3 Encoder AVOptions:
-center_mixlev <float> E...A...... Center Mix Level (from 0 to 1) (default 0.594604)
-surround_mixlev <float> E...A...... Surround Mix Level (from 0 to 1) (default 0.5)
-mixing_level <int> E...A...... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A...... Room Type (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
large 1 E...A...... Large Room
small 2 E...A...... Small Room
-per_frame_metadata <boolean> E...A...... Allow Changing Metadata Per-Frame (default false)
-copyright <int> E...A...... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A...... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A...... Dolby Surround Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround Encoded
off 1 E...A...... Not Dolby Surround Encoded
-original <int> E...A...... Original Bit Stream (from -1 to 1) (default -1)
-dmix_mode <int> E...A...... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
ltrt 1 E...A...... Lt/Rt Downmix Preferred
loro 2 E...A...... Lo/Ro Downmix Preferred
dplii 3 E...A...... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A...... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A...... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A...... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A...... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A...... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround EX Encoded
off 1 E...A...... Not Dolby Surround EX Encoded
dpliiz 3 E...A...... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A...... Dolby Headphone Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Headphone Encoded
off 1 E...A...... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A...... A/D Converter Type (from -1 to 1) (default -1)
standard 0 E...A...... Standard (default)
hdcd 1 E...A...... HDCD
-stereo_rematrixing <boolean> E...A...... Stereo Rematrixing (default true)
-channel_coupling <int> E...A...... Channel Coupling (from -1 to 1) (default auto)
auto -1 E...A...... Selected by the Encoder
-cpl_start_band <int> E...A...... Coupling Start Band (from -1 to 15) (default auto)
auto -1 E...A...... Selected by the Encoder

alacenc AVOptions:
-min_prediction_order <int> E...A...... (from 1 to 30) (default 4)
-max_prediction_order <int> E...A...... (from 1 to 30) (default 6)

DCA (DTS Coherent Acoustics) AVOptions:
-dca_adpcm <boolean> E...A...... Use ADPCM encoding (default false)

E-AC-3 Encoder AVOptions:
-mixing_level <int> E...A...... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A...... Room Type (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
large 1 E...A...... Large Room
small 2 E...A...... Small Room
-per_frame_metadata <boolean> E...A...... Allow Changing Metadata Per-Frame (default false)
-copyright <int> E...A...... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A...... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A...... Dolby Surround Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround Encoded
off 1 E...A...... Not Dolby Surround Encoded
-original <int> E...A...... Original Bit Stream (from -1 to 1) (default -1)
-dmix_mode <int> E...A...... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
ltrt 1 E...A...... Lt/Rt Downmix Preferred
loro 2 E...A...... Lo/Ro Downmix Preferred
dplii 3 E...A...... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A...... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A...... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A...... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A...... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A...... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround EX Encoded
off 1 E...A...... Not Dolby Surround EX Encoded
dpliiz 3 E...A...... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A...... Dolby Headphone Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Headphone Encoded
off 1 E...A...... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A...... A/D Converter Type (from -1 to 1) (default -1)
standard 0 E...A...... Standard (default)
hdcd 1 E...A...... HDCD
-stereo_rematrixing <boolean> E...A...... Stereo Rematrixing (default true)
-channel_coupling <int> E...A...... Channel Coupling (from -1 to 1) (default auto)
auto -1 E...A...... Selected by the Encoder
-cpl_start_band <int> E...A...... Coupling Start Band (from -1 to 15) (default auto)
auto -1 E...A...... Selected by the Encoder

FLAC encoder AVOptions:
-lpc_coeff_precision <int> E...A...... LPC coefficient precision (from 0 to 15) (default 15)
-lpc_type <int> E...A...... LPC algorithm (from -1 to 3) (default -1)
none 0 E...A......
fixed 1 E...A......
levinson 2 E...A......
cholesky 3 E...A......
-lpc_passes <int> E...A...... Number of passes to use for Cholesky factorization during LPC analysis (from 1 to INT_MAX) (default 2)
-min_partition_order <int> E...A...... (from -1 to 8) (default -1)
-max_partition_order <int> E...A...... (from -1 to 8) (default -1)
-prediction_order_method <int> E...A...... Search method for selecting prediction order (from -1 to 5) (default -1)
estimation 0 E...A......
2level 1 E...A......
4level 2 E...A......
8level 3 E...A......
search 4 E...A......
log 5 E...A......
-ch_mode <int> E...A...... Stereo decorrelation mode (from -1 to 3) (default auto)
auto -1 E...A......
indep 0 E...A......
left_side 1 E...A......
right_side 2 E...A......
mid_side 3 E...A......
-exact_rice_parameters <boolean> E...A...... Calculate rice parameters exactly (default false)
-multi_dim_quant <boolean> E...A...... Multi-dimensional quantization (default false)
-min_prediction_order <int> E...A...... (from -1 to 32) (default -1)
-max_prediction_order <int> E...A...... (from -1 to 32) (default -1)

Opus encoder AVOptions:
-opus_delay <float> E...A...... Maximum delay in milliseconds (from 2.5 to 360) (default 360)
-apply_phase_inv <boolean> E...A...... Apply intensity stereo phase inversion (default true)

sbc encoder AVOptions:
-sbc_delay <duration> E...A...... set maximum algorithmic latency (default 0.013)
-msbc <boolean> E...A...... use mSBC mode (wideband speech mono SBC) (default false)

WavPack encoder AVOptions:
-joint_stereo <boolean> E...A...... (default auto)
-optimize_mono <boolean> E...A...... (default false)

ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)

g726 AVOptions:
-code_size <int> E...A...... Bits per code (from 2 to 5) (default 4)

ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)

VOBSUB subtitle encoder AVOptions:
-palette <string> E....S..... set the global palette
-even_rows_fix <boolean> E....S..... Make number of rows even (workaround for some players) (default false)

MOV text enoder AVOptions:
-height <int> E....S..... Frame height, usually video height (from 0 to INT_MAX) (default 0)

libaom-av1 encoder AVOptions:
-cpu-used <int> E..V....... Quality/Speed ratio modifier (from 0 to 8) (default 1)
-auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 2) (default -1)
-lag-in-frames <int> E..V....... Number of frames to look ahead at for alternate reference frame selection (from -1 to INT_MAX) (default -1)
-arnr-max-frames <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1)
-arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to 6) (default -1)
-aq-mode <int> E..V....... adaptive quantization mode (from -1 to 4) (default -1)
none 0 E..V....... Aq not used
variance 1 E..V....... Variance based Aq
complexity 2 E..V....... Complexity based Aq
cyclic 3 E..V....... Cyclic Refresh Aq
-error-resilience <flags> E..V....... Error resilience configuration (default 0)
default E..V....... Improve resiliency against losses of whole frames
-crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1)
-static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
-drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
-denoise-noise-level <int> E..V....... Amount of noise to be removed (from -1 to INT_MAX) (default -1)
-denoise-block-size <int> E..V....... Denoise block size (from -1 to INT_MAX) (default -1)
-undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1)
-overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1)
-minsection-pct <int> E..V....... GOP min bitrate (% of target) (from -1 to 100) (default -1)
-maxsection-pct <int> E..V....... GOP max bitrate (% of target) (from -1 to 5000) (default -1)
-frame-parallel <boolean> E..V....... Enable frame parallel decodability features (default auto)
-tiles <image_size> E..V....... Tile columns x rows
-tile-columns <int> E..V....... Log2 of number of tile columns to use (from -1 to 6) (default -1)
-tile-rows <int> E..V....... Log2 of number of tile rows to use (from -1 to 6) (default -1)
-row-mt <boolean> E..V....... Enable row based multi-threading (default auto)
-enable-cdef <boolean> E..V....... Enable CDEF filtering (default auto)
-enable-global-motion <boolean> E..V....... Enable global motion (default auto)
-enable-intrabc <boolean> E..V....... Enable intra block copy prediction mode (default auto)
-enable-restoration <boolean> E..V....... Enable Loop Restoration filtering (default auto)
-usage <int> E..V....... Quality and compression efficiency vs speed trade-off (from 0 to INT_MAX) (default good)
good 0 E..V....... Good quality
realtime 1 E..V....... Realtime encoding
allintra 2 E..V....... All Intra encoding
-tune <int> E..V....... The metric that the encoder tunes for. Automatically chosen by the encoder by default (from -1 to 1) (default -1)
psnr 0 E..V.......
ssim 1 E..V.......
-still-picture <boolean> E..V....... Encode in single frame mode (typically used for still AVIF images). (default false)
-enable-rect-partitions <boolean> E..V....... Enable rectangular partitions (default auto)
-enable-1to4-partitions <boolean> E..V....... Enable 1:4/4:1 partitions (default auto)
-enable-ab-partitions <boolean> E..V....... Enable ab shape partitions (default auto)
-enable-angle-delta <boolean> E..V....... Enable angle delta intra prediction (default auto)
-enable-cfl-intra <boolean> E..V....... Enable chroma predicted from luma intra prediction (default auto)
-enable-filter-intra <boolean> E..V....... Enable filter intra predictor (default auto)
-enable-intra-edge-filter <boolean> E..V....... Enable intra edge filter (default auto)
-enable-smooth-intra <boolean> E..V....... Enable smooth intra prediction mode (default auto)
-enable-paeth-intra <boolean> E..V....... Enable paeth predictor in intra prediction (default auto)
-enable-palette <boolean> E..V....... Enable palette prediction mode (default auto)
-enable-flip-idtx <boolean> E..V....... Enable extended transform type (default auto)
-enable-tx64 <boolean> E..V....... Enable 64-pt transform (default auto)
-reduced-tx-type-set <boolean> E..V....... Use reduced set of transform types (default auto)
-use-intra-dct-only <boolean> E..V....... Use DCT only for INTRA modes (default auto)
-use-inter-dct-only <boolean> E..V....... Use DCT only for INTER modes (default auto)
-use-intra-default-tx-only <boolean> E..V....... Use default-transform only for INTRA modes (default auto)
-enable-ref-frame-mvs <boolean> E..V....... Enable temporal mv prediction (default auto)
-enable-reduced-reference-set <boolean> E..V....... Use reduced set of single and compound references (default auto)
-enable-obmc <boolean> E..V....... Enable obmc (default auto)
-enable-dual-filter <boolean> E..V....... Enable dual filter (default auto)
-enable-diff-wtd-comp <boolean> E..V....... Enable difference-weighted compound (default auto)
-enable-dist-wtd-comp <boolean> E..V....... Enable distance-weighted compound (default auto)
-enable-onesided-comp <boolean> E..V....... Enable one sided compound (default auto)
-enable-interinter-wedge <boolean> E..V....... Enable interinter wedge compound (default auto)
-enable-interintra-wedge <boolean> E..V....... Enable interintra wedge compound (default auto)
-enable-masked-comp <boolean> E..V....... Enable masked compound (default auto)
-enable-interintra-comp <boolean> E..V....... Enable interintra compound (default auto)
-enable-smooth-interintra <boolean> E..V....... Enable smooth interintra mode (default auto)
-aom-params <dictionary> E..V....... Set libaom options using a :-separated list of key=value pairs

libfdk_aac AVOptions:
-afterburner <int> E...A...... Afterburner (improved quality) (from 0 to 1) (default 1)
-eld_sbr <int> E...A...... Enable SBR for ELD (for SBR in other configurations, use the -profile parameter) (from 0 to 1) (default 0)
-eld_v2 <int> E...A...... Enable ELDv2 (LD-MPS extension for ELD stereo signals) (from 0 to 1) (default 0)
-signaling <int> E...A...... SBR/PS signaling style (from -1 to 2) (default default)
default -1 E...A...... Choose signaling implicitly (explicit hierarchical by default, implicit if global header is disabled)
implicit 0 E...A...... Implicit backwards compatible signaling
explicit_sbr 1 E...A...... Explicit SBR, implicit PS signaling
explicit_hierarchical 2 E...A...... Explicit hierarchical signaling
-latm <int> E...A...... Output LATM/LOAS encapsulated data (from 0 to 1) (default 0)
-header_period <int> E...A...... StreamMuxConfig and PCE repetition period (in frames) (from 0 to 65535) (default 0)
-vbr <int> E...A...... VBR mode (1-5) (from 0 to 5) (default 0)
-drc_profile <int> E...A...... The desired compression profile for AAC DRC (from 0 to 256) (default 0)
-drc_target_ref <int> E...A...... Expected target reference level at decoder side in dB (for clipping prevention/limiter) (from -31.75 to 0) (default 0)
-comp_profile <int> E...A...... The desired compression profile for AAC DRC (from 0 to 256) (default 0)
-comp_target_ref <int> E...A...... Expected target reference level at decoder side in dB (for clipping prevention/limiter) (from -31.75 to 0) (default 0)
-prog_ref <int> E...A...... The program reference level or dialog level in dB (from -31.75 to 0) (default 0)
-frame_length <int> E...A...... The desired frame length (from -1 to 1024) (default -1)

libmp3lame encoder AVOptions:
-reservoir <boolean> E...A...... use bit reservoir (default true)
-lamebtmode <int> E...A...... Set bitrate mode (from -1 to 5) (default auto)
auto -1 E...A......
cbr 0 E...A......
abr 1 E...A......
vbr(rh) 2 E...A......
vbr(mt) 3 E...A......
vbr(mtrh) 4 E...A......
vbr(default) 5 E...A......
-lamechmode <int> E...A...... Set channel mode (from -1 to 3) (default auto)
auto -1 E...A......
stereo 0 E...A......
joint_stereo 1 E...A......
dual_channel 2 E...A......
mono 3 E...A......
-copyright <boolean> E...A...... set copyright flag (default false)
-original <boolean> E...A...... set original flag (default true)

libopencore_amrnb AVOptions:
-dtx <int> E...A...... Allow DTX (generate comfort noise) (from 0 to 1) (default 0)

libopenjpeg AVOptions:
-format <int> E..V....... Codec Format (from 0 to 2) (default jp2)
j2k 0 E..V.......
jp2 2 E..V.......
-profile <int> E..V....... (from 0 to 4) (default jpeg2000)
jpeg2000 0 E..V.......
cinema2k 3 E..V.......
cinema4k 4 E..V.......
-cinema_mode <int> E..V....... Digital Cinema (from 0 to 3) (default off)
off 0 E..V.......
2k_24 1 E..V.......
2k_48 2 E..V.......
4k_24 3 E..V.......
-prog_order <int> E..V....... Progression Order (from 0 to 4) (default lrcp)
lrcp 0 E..V.......
rlcp 1 E..V.......
rpcl 2 E..V.......
pcrl 3 E..V.......
cprl 4 E..V.......
-numresolution <int> E..V....... (from 0 to 33) (default 6)
-irreversible <int> E..V....... (from 0 to 1) (default 0)
-disto_alloc <int> E..V....... (from 0 to 1) (default 1)
-fixed_quality <int> E..V....... (from 0 to 1) (default 0)

libopus AVOptions:
-application <int> E...A...... Intended application type (from 2048 to 2051) (default audio)
voip 2048 E...A...... Favor improved speech intelligibility
audio 2049 E...A...... Favor faithfulness to the input
lowdelay 2051 E...A...... Restrict to only the lowest delay modes
-frame_duration <float> E...A...... Duration of a frame in milliseconds (from 2.5 to 120) (default 20)
-packet_loss <int> E...A...... Expected packet loss percentage (from 0 to 100) (default 0)
-fec <boolean> E...A...... Enable inband FEC. Expected packet loss must be non-zero (default false)
-vbr <int> E...A...... Variable bit rate mode (from 0 to 2) (default on)
off 0 E...A...... Use constant bit rate
on 1 E...A...... Use variable bit rate
constrained 2 E...A...... Use constrained VBR
-mapping_family <int> E...A...... Channel Mapping Family (from -1 to 255) (default -1)
-apply_phase_inv <boolean> E...A...... Apply intensity stereo phase inversion (default true)

libspeex AVOptions:
-abr <int> E...A...... Use average bit rate (from 0 to 1) (default 0)
-cbr_quality <int> E...A...... Set quality value (0 to 10) for CBR (from 0 to 10) (default 8)
-frames_per_packet <int> E...A...... Number of frames to encode in each packet (from 1 to 8) (default 1)
-vad <int> E...A...... Voice Activity Detection (from 0 to 1) (default 0)
-dtx <int> E...A...... Discontinuous Transmission (from 0 to 1) (default 0)

libtwolame encoder AVOptions:
-mode <int> E...A...... Mpeg Mode (from -1 to 3) (default auto)
auto -1 E...A......
stereo 0 E...A......
joint_stereo 1 E...A......
dual_channel 2 E...A......
mono 3 E...A......
-psymodel <int> E...A...... Psychoacoustic Model (from -1 to 4) (default 3)
-energy_levels <int> E...A...... enable energy levels (from 0 to 1) (default 0)
-error_protection <int> E...A...... enable CRC error protection (from 0 to 1) (default 0)
-copyright <int> E...A...... set MPEG Audio Copyright flag (from 0 to 1) (default 0)
-original <int> E...A...... set MPEG Audio Original flag (from 0 to 1) (default 0)
-verbosity <int> E...A...... set library optput level (0-10) (from 0 to 10) (default 0)

libvo_amrwbenc AVOptions:
-dtx <int> E...A...... Allow DTX (generate comfort noise) (from 0 to 1) (default 0)

libvorbis AVOptions:
-iblock <double> E...A...... Sets the impulse block bias (from -15 to 0) (default 0)

libvpx-vp8 encoder AVOptions:
-lag-in-frames <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX) (default -1)
-arnr-maxframes <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1)
-arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to INT_MAX) (default -1)
-arnr-type <int> E..V....... altref noise reduction filter type (from -1 to INT_MAX) (default -1)
backward 1 E..V.......
forward 2 E..V.......
centered 3 E..V.......
-tune <int> E..V....... Tune the encoding to a specific scenario (from -1 to INT_MAX) (default -1)
psnr 0 E..V.......
ssim 1 E..V.......
-deadline <int> E..V....... Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-error-resilient <flags> E..V....... Error resilience configuration (default 0)
default E..V....... Improve resiliency against losses of whole frames
partitions E..V....... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra prediction is still done over the partition boundary.
-max-intra-rate <int> E..V....... Maximum I-frame bitrate (pct) 0=unlimited (from -1 to INT_MAX) (default -1)
-crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1)
-static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
-drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
-noise-sensitivity <int> E..V....... Noise sensitivity (from 0 to 4) (default 0)
-undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1)
-overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1)
-ts-parameters <dictionary> E..V....... Temporal scaling configuration using a :-separated list of key=value parameters
-auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 2) (default -1)
-cpu-used <int> E..V....... Quality/Speed ratio modifier (from -16 to 16) (default 1)
-speed <int> E..V....... (from -16 to 16) (default 1)
-quality <int> E..V....... (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-vp8flags <flags> E..V....... (default 0)
error_resilient E..V....... enable error resilience
altref E..V....... enable use of alternate reference frames (VP8/2-pass only)
-arnr_max_frames <int> E..V....... altref noise reduction max frame count (from 0 to 15) (default 0)
-arnr_strength <int> E..V....... altref noise reduction filter strength (from 0 to 6) (default 3)
-arnr_type <int> E..V....... altref noise reduction filter type (from 1 to 3) (default 3)
-rc_lookahead <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from 0 to 25) (default 25)
-sharpness <int> E..V....... Increase sharpness at the expense of lower PSNR (from -1 to 7) (default -1)

libvpx-vp9 encoder AVOptions:
-lag-in-frames <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX) (default -1)
-arnr-maxframes <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1)
-arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to INT_MAX) (default -1)
-arnr-type <int> E..V....... altref noise reduction filter type (from -1 to INT_MAX) (default -1)
backward 1 E..V.......
forward 2 E..V.......
centered 3 E..V.......
-tune <int> E..V....... Tune the encoding to a specific scenario (from -1 to INT_MAX) (default -1)
psnr 0 E..V.......
ssim 1 E..V.......
-deadline <int> E..V....... Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-error-resilient <flags> E..V....... Error resilience configuration (default 0)
default E..V....... Improve resiliency against losses of whole frames
partitions E..V....... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra prediction is still done over the partition boundary.
-max-intra-rate <int> E..V....... Maximum I-frame bitrate (pct) 0=unlimited (from -1 to INT_MAX) (default -1)
-crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1)
-static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
-drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
-noise-sensitivity <int> E..V....... Noise sensitivity (from 0 to 4) (default 0)
-undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1)
-overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1)
-ts-parameters <dictionary> E..V....... Temporal scaling configuration using a :-separated list of key=value parameters
-auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 6) (default -1)
-cpu-used <int> E..V....... Quality/Speed ratio modifier (from -8 to 8) (default 1)
-lossless <int> E..V....... Lossless mode (from -1 to 1) (default -1)
-tile-columns <int> E..V....... Number of tile columns to use, log2 (from -1 to 6) (default -1)
-tile-rows <int> E..V....... Number of tile rows to use, log2 (from -1 to 2) (default -1)
-frame-parallel <boolean> E..V....... Enable frame parallel decodability features (default auto)
-aq-mode <int> E..V....... adaptive quantization mode (from -1 to 4) (default -1)
none 0 E..V....... Aq not used
variance 1 E..V....... Variance based Aq
complexity 2 E..V....... Complexity based Aq
cyclic 3 E..V....... Cyclic Refresh Aq
equator360 4 E..V....... 360 video Aq
-level <float> E..V....... Specify level (from -1 to 6.2) (default -1)
-row-mt <boolean> E..V....... Row based multi-threading (default auto)
-tune-content <int> E..V....... Tune content type (from -1 to 2) (default -1)
default 0 E..V....... Regular video content
screen 1 E..V....... Screen capture content
film 2 E..V....... Film content; improves grain retention
-corpus-complexity <int> E..V....... corpus vbr complexity midpoint (from -1 to 10000) (default -1)
-min-gf-interval <int> E..V....... Minimum golden/alternate reference frame interval (from -1 to INT_MAX) (default -1)
-speed <int> E..V....... (from -16 to 16) (default 1)
-quality <int> E..V....... (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-vp8flags <flags> E..V....... (default 0)
error_resilient E..V....... enable error resilience
altref E..V....... enable use of alternate reference frames (VP8/2-pass only)
-arnr_max_frames <int> E..V....... altref noise reduction max frame count (from 0 to 15) (default 0)
-arnr_strength <int> E..V....... altref noise reduction filter strength (from 0 to 6) (default 3)
-arnr_type <int> E..V....... altref noise reduction filter type (from 1 to 3) (default 3)
-rc_lookahead <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from 0 to 25) (default 25)
-sharpness <int> E..V....... Increase sharpness at the expense of lower PSNR (from -1 to 7) (default -1)

libwebp encoder AVOptions:
-lossless <int> E..V....... Use lossless mode (from 0 to 1) (default 0)
-preset <int> E..V....... Configuration preset (from -1 to 5) (default none)
none -1 E..V....... do not use a preset
default 0 E..V....... default preset
picture 1 E..V....... digital picture, like portrait, inner shot
photo 2 E..V....... outdoor photograph, with natural lighting
drawing 3 E..V....... hand or line drawing, with high-contrast details
icon 4 E..V....... small-sized colorful images
text 5 E..V....... text-like
-cr_threshold <int> E..V....... Conditional replenishment threshold (from 0 to INT_MAX) (default 0)
-cr_size <int> E..V....... Conditional replenishment block size (from 0 to 256) (default 16)
-quality <float> E..V....... Quality (from 0 to 100) (default 75)

libx264 AVOptions:
-preset <string> E..V....... Set the encoding preset (cf. x264 --fullhelp) (default "medium")
-tune <string> E..V....... Tune the encoding params (cf. x264 --fullhelp)
-profile <string> E..V....... Set profile restrictions (cf. x264 --fullhelp)
-fastfirstpass <boolean> E..V....... Use fast settings when encoding first pass (default true)
-level <string> E..V....... Specify level (as defined by Annex A)
-passlogfile <string> E..V....... Filename for 2 pass stats
-wpredp <string> E..V....... Weighted prediction for P-frames
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default false)
-x264opts <string> E..V....... x264 options
-crf <float> E..V....... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1)
-crf_max <float> E..V....... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1)
-aq-mode <int> E..V....... AQ method (from -1 to INT_MAX) (default -1)
none 0 E..V.......
variance 1 E..V....... Variance AQ (complexity mask)
autovariance 2 E..V....... Auto-variance AQ
autovariance-biased 3 E..V....... Auto-variance AQ with bias to dark scenes
-aq-strength <float> E..V....... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1)
-psy <boolean> E..V....... Use psychovisual optimizations. (default auto)
-psy-rd <string> E..V....... Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead <int> E..V....... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1)
-weightb <boolean> E..V....... Weighted prediction for B-frames. (default auto)
-weightp <int> E..V....... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
simple 1 E..V.......
smart 2 E..V.......
-ssim <boolean> E..V....... Calculate and print SSIM stats. (default auto)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames. (default auto)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds. (default auto)
-b-bias <int> E..V....... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN)
-b-pyramid <int> E..V....... Keep some B-frames as references. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
strict 1 E..V....... Strictly hierarchical pyramid
normal 2 E..V....... Non-strict (not Blu-ray compatible)
-mixed-refs <boolean> E..V....... One reference per partition, as opposed to one reference per macroblock (default auto)
-8x8dct <boolean> E..V....... High profile 8x8 transform. (default auto)
-fast-pskip <boolean> E..V....... (default auto)
-aud <boolean> E..V....... Use access unit delimiters. (default auto)
-mbtree <boolean> E..V....... Use macroblock tree ratecontrol. (default auto)
-deblock <string> E..V....... Loop filter parameters, in <alpha:beta> form.
-cplxblur <float> E..V....... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1)
-partitions <string> E..V....... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred <int> E..V....... Direct MV prediction mode (from -1 to INT_MAX) (default -1)
none 0 E..V.......
spatial 1 E..V.......
temporal 2 E..V.......
auto 3 E..V.......
-slice-max-size <int> E..V....... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1)
-stats <string> E..V....... Filename for 2 pass stats
-nal-hrd <int> E..V....... Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1)
none 0 E..V.......
vbr 1 E..V.......
cbr 2 E..V.......
-avcintra-class <int> E..V....... AVC-Intra class 50/100/200/300/480 (from -1 to 480) (default -1)
-me_method <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-motion-est <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-coder <int> E..V....... Coder type (from -1 to 1) (default default)
default -1 E..V.......
cavlc 0 E..V.......
cabac 1 E..V.......
vlc 0 E..V.......
ac 1 E..V.......
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 2) (default -1)
-chromaoffset <int> E..V....... QP difference between chroma and luma (from INT_MIN to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default -1)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default -1)
-udu_sei <boolean> E..V....... Use user data unregistered SEI if available (default false)
-x264-params <dictionary> E..V....... Override the x264 configuration using a :-separated list of key=value parameters

libx264rgb AVOptions:
-preset <string> E..V....... Set the encoding preset (cf. x264 --fullhelp) (default "medium")
-tune <string> E..V....... Tune the encoding params (cf. x264 --fullhelp)
-profile <string> E..V....... Set profile restrictions (cf. x264 --fullhelp)
-fastfirstpass <boolean> E..V....... Use fast settings when encoding first pass (default true)
-level <string> E..V....... Specify level (as defined by Annex A)
-passlogfile <string> E..V....... Filename for 2 pass stats
-wpredp <string> E..V....... Weighted prediction for P-frames
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default false)
-x264opts <string> E..V....... x264 options
-crf <float> E..V....... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1)
-crf_max <float> E..V....... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1)
-aq-mode <int> E..V....... AQ method (from -1 to INT_MAX) (default -1)
none 0 E..V.......
variance 1 E..V....... Variance AQ (complexity mask)
autovariance 2 E..V....... Auto-variance AQ
autovariance-biased 3 E..V....... Auto-variance AQ with bias to dark scenes
-aq-strength <float> E..V....... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1)
-psy <boolean> E..V....... Use psychovisual optimizations. (default auto)
-psy-rd <string> E..V....... Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead <int> E..V....... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1)
-weightb <boolean> E..V....... Weighted prediction for B-frames. (default auto)
-weightp <int> E..V....... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
simple 1 E..V.......
smart 2 E..V.......
-ssim <boolean> E..V....... Calculate and print SSIM stats. (default auto)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames. (default auto)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds. (default auto)
-b-bias <int> E..V....... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN)
-b-pyramid <int> E..V....... Keep some B-frames as references. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
strict 1 E..V....... Strictly hierarchical pyramid
normal 2 E..V....... Non-strict (not Blu-ray compatible)
-mixed-refs <boolean> E..V....... One reference per partition, as opposed to one reference per macroblock (default auto)
-8x8dct <boolean> E..V....... High profile 8x8 transform. (default auto)
-fast-pskip <boolean> E..V....... (default auto)
-aud <boolean> E..V....... Use access unit delimiters. (default auto)
-mbtree <boolean> E..V....... Use macroblock tree ratecontrol. (default auto)
-deblock <string> E..V....... Loop filter parameters, in <alpha:beta> form.
-cplxblur <float> E..V....... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1)
-partitions <string> E..V....... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred <int> E..V....... Direct MV prediction mode (from -1 to INT_MAX) (default -1)
none 0 E..V.......
spatial 1 E..V.......
temporal 2 E..V.......
auto 3 E..V.......
-slice-max-size <int> E..V....... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1)
-stats <string> E..V....... Filename for 2 pass stats
-nal-hrd <int> E..V....... Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1)
none 0 E..V.......
vbr 1 E..V.......
cbr 2 E..V.......
-avcintra-class <int> E..V....... AVC-Intra class 50/100/200/300/480 (from -1 to 480) (default -1)
-me_method <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-motion-est <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-coder <int> E..V....... Coder type (from -1 to 1) (default default)
default -1 E..V.......
cavlc 0 E..V.......
cabac 1 E..V.......
vlc 0 E..V.......
ac 1 E..V.......
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 2) (default -1)
-chromaoffset <int> E..V....... QP difference between chroma and luma (from INT_MIN to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default -1)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default -1)
-udu_sei <boolean> E..V....... Use user data unregistered SEI if available (default false)
-x264-params <dictionary> E..V....... Override the x264 configuration using a :-separated list of key=value parameters

libx265 AVOptions:
-crf <float> E..V....... set the x265 crf (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... set the x265 qp (from -1 to INT_MAX) (default -1)
-forced-idr <boolean> E..V....... if forcing keyframes, force them as IDR frames (default false)
-preset <string> E..V....... set the x265 preset
-tune <string> E..V....... set the x265 tune parameter
-profile <string> E..V....... set the x265 profile
-udu_sei <boolean> E..V....... Use user data unregistered SEI if available (default false)
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-x265-params <dictionary> E..V....... set the x265 configuration using a :-separated list of key=value parameters

libxavs AVOptions:
-crf <float> E..V....... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1)
-b-bias <int> E..V....... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN)
-cplxblur <float> E..V....... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1)
-direct-pred <int> E..V....... Direct MV prediction mode (from -1 to INT_MAX) (default -1)
none 0 E..V.......
spatial 1 E..V.......
temporal 2 E..V.......
auto 3 E..V.......
-aud <boolean> E..V....... Use access unit delimiters. (default auto)
-mbtree <boolean> E..V....... Use macroblock tree ratecontrol. (default auto)
-mixed-refs <boolean> E..V....... One reference per partition, as opposed to one reference per macroblock (default auto)
-fast-pskip <boolean> E..V....... (default auto)
-motion-est <int> E..V....... Set motion estimation method (from -1 to 4) (default dia)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-chromaoffset <int> E..V....... QP difference between chroma and luma (from INT_MIN to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from 0 to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from 0 to INT_MAX) (default 0)

libxvid AVOptions:
-lumi_aq <int> E..V....... Luminance masking AQ (from 0 to 1) (default 0)
-variance_aq <int> E..V....... Variance AQ (from 0 to 1) (default 0)
-ssim <int> E..V....... Show SSIM information to stdout (from 0 to 2) (default off)
off 0 E..V.......
avg 1 E..V.......
frame 2 E..V.......
-ssim_acc <int> E..V....... SSIM accuracy (from 0 to 4) (default 2)
-gmc <int> E..V....... use GMC (from 0 to 1) (default 0)
-me_quality <int> E..V....... Motion estimation quality (from 0 to 6) (default 4)
-mpeg_quant <int> E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)

av1_nvenc AVOptions:
-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
default 0 E..V.......
slow 1 E..V....... hq 2 passes
medium 2 E..V....... hq 1 pass
fast 3 E..V....... hp 1 pass
p1 12 E..V....... fastest (lowest quality)
p2 13 E..V....... faster (lower quality)
p3 14 E..V....... fast (low quality)
p4 15 E..V....... medium (default)
p5 16 E..V....... slow (good quality)
p6 17 E..V....... slower (better quality)
p7 18 E..V....... slowest (best quality)
-tune <int> E..V....... Set the encoding tuning info (from 1 to 4) (default hq)
hq 1 E..V....... High quality
ll 2 E..V....... Low latency
ull 3 E..V....... Ultra low latency
lossless 4 E..V....... Lossless
-level <int> E..V....... Set the encoding level restriction (from 0 to 24) (default auto)
auto 24 E..V.......
2 0 E..V.......
2.0 0 E..V.......
2.1 1 E..V.......
2.2 2 E..V.......
2.3 3 E..V.......
3 4 E..V.......
3.0 4 E..V.......
3.1 5 E..V.......
3.2 6 E..V.......
3.3 7 E..V.......
4 8 E..V.......
4.0 8 E..V.......
4.1 9 E..V.......
4.2 10 E..V.......
4.3 11 E..V.......
5 12 E..V.......
5.0 12 E..V.......
5.1 13 E..V.......
5.2 14 E..V.......
5.3 15 E..V.......
6 16 E..V.......
6.0 16 E..V.......
6.1 17 E..V.......
6.2 18 E..V.......
6.3 19 E..V.......
7 20 E..V.......
7.0 20 E..V.......
7.1 21 E..V.......
7.2 22 E..V.......
7.3 23 E..V.......
-tier <int> E..V....... Set the encoding tier (from 0 to 1) (default 0)
0 0 E..V.......
1 1 E..V.......
-rc <int> E..V....... Override the preset rate-control (from -1 to INT_MAX) (default -1)
constqp 0 E..V....... Constant QP mode
vbr 1 E..V....... Variable bitrate mode
cbr 2 E..V....... Constant bitrate mode
-multipass <int> E..V....... Set the multipass encoding (from 0 to 2) (default disabled)
disabled 0 E..V....... Single Pass
qres 1 E..V....... Two Pass encoding is enabled where first Pass is quarter resolution
fullres 2 E..V....... Two Pass encoding is enabled where first Pass is full resolution
-highbitdepth <boolean> E..V....... Enable 10 bit encode for 8 bit input (default false)
-tile-rows <int> E..V....... Number of tile rows to encode with (from -1 to 64) (default -1)
-tile-columns <int> E..V....... Number of tile columns to encode with (from -1 to 64) (default -1)
-surfaces <int> E..V....... Number of concurrent surfaces (from 0 to 64) (default 0)
-gpu <int> E..V....... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
any -1 E..V....... Pick the first device available
list -2 E..V....... List the available devices
-delay <int> E..V....... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX)
-rc-lookahead <int> E..V....... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
-cq <float> E..V....... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
-init_qpP <int> E..V....... Initial QP value for P frame (from -1 to 255) (default -1)
-init_qpB <int> E..V....... Initial QP value for B frame (from -1 to 255) (default -1)
-init_qpI <int> E..V....... Initial QP value for I frame (from -1 to 255) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to 255) (default -1)
-qp_cb_offset <int> E..V....... Quantization parameter offset for cb channel (from -12 to 12) (default 0)
-qp_cr_offset <int> E..V....... Quantization parameter offset for cr channel (from -12 to 12) (default 0)
-no-scenecut <boolean> E..V....... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false)
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-b_adapt <boolean> E..V....... When lookahead is enabled, set this to 0 to disable adaptive B-frame decision (default true)
-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-zerolatency <boolean> E..V....... Set 1 to indicate zero latency operation (no reordering delay) (default false)
-nonref_p <boolean> E..V....... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
-strict_gop <boolean> E..V....... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
-aq-strength <int> E..V....... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8)
-weighted_pred <boolean> E..V....... Enable weighted prediction (default false)
-b_ref_mode <int> E..V....... Use B frames as references (from -1 to 2) (default -1)
disabled 0 E..V....... B frames will not be used for reference
each 1 E..V....... Each B frame will be used for reference
middle 2 E..V....... Only (number of B frames)/2 will be used for reference
-dpb_size <int> E..V....... Specifies the DPB size used for encoding (0 means automatic) (from 0 to INT_MAX) (default 0)
-ldkfs <int> E..V....... Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR (from 0 to 255) (default 0)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames (default false)
-timing-info <boolean> E..V....... Include timing info in sequence/frame headers (default false)
-extra_sei <boolean> E..V....... Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream (default true)
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-s12m_tc <boolean> E..V....... Use timecode (if available) (default true)

av1_amf AVOptions:
-usage <int> E..V....... Set the encoding usage (from 0 to 1) (default transcoding)
transcoding 0 E..V.......
lowlatency 1 E..V.......
-profile <int> E..V....... Set the profile (default main) (from 1 to 1) (default main)
main 1 E..V.......
-level <int> E..V....... Set the encoding level (default auto) (from 0 to 23) (default auto)
auto 0 E..V.......
2.0 0 E..V.......
2.1 1 E..V.......
2.2 2 E..V.......
2.3 3 E..V.......
3.0 4 E..V.......
3.1 5 E..V.......
3.2 6 E..V.......
3.3 7 E..V.......
4.0 8 E..V.......
4.1 9 E..V.......
4.2 10 E..V.......
4.3 11 E..V.......
5.0 12 E..V.......
5.1 13 E..V.......
5.2 14 E..V.......
5.3 15 E..V.......
6.0 16 E..V.......
6.1 17 E..V.......
6.2 18 E..V.......
6.3 19 E..V.......
7.0 20 E..V.......
7.1 21 E..V.......
7.2 22 E..V.......
7.3 23 E..V.......
-quality <int> E..V....... Set the encoding quality (from 0 to 100) (default speed)
balanced 70 E..V.......
speed 100 E..V.......
quality 30 E..V.......
high_quality 0 E..V.......
-rc <int> E..V....... Set the rate control mode (from -1 to 6) (default -1)
cqp 0 E..V....... Constant Quantization Parameter
vbr_latency 1 E..V....... Latency Constrained Variable Bitrate
vbr_peak 2 E..V....... Peak Contrained Variable Bitrate
cbr 3 E..V....... Constant Bitrate
qvbr 4 E..V....... Quality Variable Bitrate
hqvbr 5 E..V....... High Quality Variable Bitrate
hqcbr 6 E..V....... High Quality Constant Bitrate
-qvbr_quality_level <int> E..V....... Sets the QVBR quality level (from -1 to 51) (default -1)
-header_insertion_mode <int> E..V....... Set header insertion mode (from 0 to 2) (default none)
none 0 E..V.......
gop 1 E..V.......
frame 2 E..V.......
-preencode <boolean> E..V....... Enable preencode (default false)
-enforce_hrd <boolean> E..V....... Enforce HRD (default false)
-filler_data <boolean> E..V....... Filler Data Enable (default false)
-high_motion_quality_boost_enable <boolean> E..V....... Enable High motion quality boost mode (default auto)
-min_qp_i <int> E..V....... min quantization parameter for I-frame (from -1 to 255) (default -1)
-max_qp_i <int> E..V....... max quantization parameter for I-frame (from -1 to 255) (default -1)
-min_qp_p <int> E..V....... min quantization parameter for P-frame (from -1 to 255) (default -1)
-max_qp_p <int> E..V....... max quantization parameter for P-frame (from -1 to 255) (default -1)
-qp_p <int> E..V....... quantization parameter for P-frame (from -1 to 255) (default -1)
-qp_i <int> E..V....... quantization parameter for I-frame (from -1 to 255) (default -1)
-skip_frame <boolean> E..V....... Rate Control Based Frame Skip (default false)
-align <int> E..V....... alignment mode (from 1 to 3) (default none)
64x16 1 E..V.......
1080p 2 E..V.......
none 3 E..V.......
-log_to_dbg <boolean> E..V....... Enable AMF logging to debug output (default false)
-preanalysis <boolean> E..V....... Enable preanalysis (default auto)
-pa_activity_type <int> E..V....... Set the type of activity analysis (from -1 to 1) (default -1)
y 0 E..V....... activity y
yuv 1 E..V....... activity yuv
-pa_scene_change_detection_enable <boolean> E..V....... Enable scene change detection (default auto)
-pa_scene_change_detection_sensitivity <int> E..V....... Set the sensitivity of scene change detection (from -1 to 2) (default -1)
low 0 E..V....... low scene change dectection sensitivity
medium 1 E..V....... medium scene change dectection sensitivity
high 2 E..V....... high scene change dectection sensitivity
-pa_static_scene_detection_enable <boolean> E..V....... Enable static scene detection (default auto)
-pa_static_scene_detection_sensitivity <int> E..V....... Set the sensitivity of static scene detection (from -1 to 2) (default -1)
low 0 E..V....... low static scene dectection sensitivity
medium 1 E..V....... medium static scene dectection sensitivity
high 2 E..V....... high static scene dectection sensitivity
-pa_initial_qp_after_scene_change <int> E..V....... The QP value that is used immediately after a scene change (from -1 to 51) (default -1)
-pa_max_qp_before_force_skip <int> E..V....... The QP threshold to allow a skip frame (from -1 to 51) (default -1)
-pa_caq_strength <int> E..V....... Content Adaptive Quantization strength (from -1 to 2) (default -1)
low 0 E..V....... low Content Adaptive Quantization strength
medium 1 E..V....... medium Content Adaptive Quantization strength
high 2 E..V....... high Content Adaptive Quantization strength
-pa_frame_sad_enable <boolean> E..V....... Enable Frame SAD algorithm (default auto)
-pa_ltr_enable <boolean> E..V....... Enable long term reference frame management (default auto)
-pa_lookahead_buffer_depth <int> E..V....... Sets the PA lookahead buffer size (from -1 to 41) (default -1)
-pa_paq_mode <int> E..V....... Sets the perceptual adaptive quantization mode (from -1 to 1) (default -1)
none 0 E..V....... no perceptual adaptive quantization
caq 1 E..V....... caq perceptual adaptive quantization
-pa_taq_mode <int> E..V....... Sets the temporal adaptive quantization mode (from -1 to 2) (default -1)
none 0 E..V....... no temporal adaptive quantization
1 1 E..V....... temporal adaptive quantization mode 1
2 2 E..V....... temporal adaptive quantization mode 2
-pa_high_motion_quality_boost_mode <int> E..V....... Sets the PA high motion quality boost mode (from -1 to 1) (default -1)
none 0 E..V....... no high motion quality boost
auto 1 E..V....... auto high motion quality boost

h264_amf AVOptions:
-usage <int> E..V....... Encoder Usage (from 0 to 5) (default transcoding)
transcoding 0 E..V....... Generic Transcoding
ultralowlatency 1 E..V....... ultra low latency trancoding
lowlatency 2 E..V....... low latency trancoding
webcam 3 E..V....... Webcam
high_quality 4 E..V....... high quality trancoding
lowlatency_high_quality 5 E..V....... low latency yet high quality trancoding
-profile <int> E..V....... Profile (from 66 to 257) (default main)
main 77 E..V.......
high 100 E..V.......
constrained_baseline 256 E..V.......
constrained_high 257 E..V.......
-level <int> E..V....... Profile Level (from 0 to 62) (default auto)
auto 0 E..V.......
1.0 10 E..V.......
1.1 11 E..V.......
1.2 12 E..V.......
1.3 13 E..V.......
2.0 20 E..V.......
2.1 21 E..V.......
2.2 22 E..V.......
3.0 30 E..V.......
3.1 31 E..V.......
3.2 32 E..V.......
4.0 40 E..V.......
4.1 41 E..V.......
4.2 42 E..V.......
5.0 50 E..V.......
5.1 51 E..V.......
5.2 52 E..V.......
6.0 60 E..V.......
6.1 61 E..V.......
6.2 62 E..V.......
-quality <int> E..V....... Quality Preference (from 0 to 2) (default speed)
speed 1 E..V....... Prefer Speed
balanced 0 E..V....... Balanced
quality 2 E..V....... Prefer Quality
-rc <int> E..V....... Rate Control Method (from -1 to 6) (default -1)
cqp 0 E..V....... Constant Quantization Parameter
cbr 1 E..V....... Constant Bitrate
vbr_peak 2 E..V....... Peak Contrained Variable Bitrate
vbr_latency 3 E..V....... Latency Constrained Variable Bitrate
qvbr 4 E..V....... Quality Variable Bitrate
hqvbr 5 E..V....... High Quality Variable Bitrate
hqcbr 6 E..V....... High Quality Constant Bitrate
-qvbr_quality_level <int> E..V....... Sets the QVBR quality level (from -1 to 51) (default -1)
-enforce_hrd <boolean> E..V....... Enforce HRD (default false)
-filler_data <boolean> E..V....... Filler Data Enable (default false)
-vbaq <boolean> E..V....... Enable VBAQ (default false)
-frame_skipping <boolean> E..V....... Rate Control Based Frame Skip (default false)
-qp_i <int> E..V....... Quantization Parameter for I-Frame (from -1 to 51) (default -1)
-qp_p <int> E..V....... Quantization Parameter for P-Frame (from -1 to 51) (default -1)
-qp_b <int> E..V....... Quantization Parameter for B-Frame (from -1 to 51) (default -1)
-preencode <boolean> E..V....... Pre-encode assisted rate control (default false)
-max_au_size <int> E..V....... Maximum Access Unit Size for rate control (in bits) (from 0 to INT_MAX) (default 0)
-header_spacing <int> E..V....... Header Insertion Spacing (from -1 to 1000) (default -1)
-bf_delta_qp <int> E..V....... B-Picture Delta QP (from -10 to 10) (default 4)
-bf_ref <boolean> E..V....... Enable Reference to B-Frames (default true)
-bf_ref_delta_qp <int> E..V....... Reference B-Picture Delta QP (from -10 to 10) (default 4)
-max_b_frames <int> E..V....... Maximum number of consecutive B Pictures (from -1 to 3) (default -1)
-bf <int> E..V....... B Picture Pattern (from -1 to 3) (default -1)
-intra_refresh_mb <int> E..V....... Intra Refresh MBs Number Per Slot in Macroblocks (from 0 to INT_MAX) (default 0)
-coder <int> E..V....... Coding Type (from 0 to 2) (default auto)
auto 0 E..V....... Automatic
cavlc 2 E..V....... Context Adaptive Variable-Length Coding
cabac 1 E..V....... Context Adaptive Binary Arithmetic Coding
-high_motion_quality_boost_enable <boolean> E..V....... Enable High motion quality boost mode (default auto)
-me_half_pel <boolean> E..V....... Enable ME Half Pixel (default true)
-me_quarter_pel <boolean> E..V....... Enable ME Quarter Pixel (default true)
-aud <boolean> E..V....... Inserts AU Delimiter NAL unit (default false)
-log_to_dbg <boolean> E..V....... Enable AMF logging to debug output (default false)
-preanalysis <boolean> E..V....... Enable preanalysis (default auto)
-pa_activity_type <int> E..V....... Set the type of activity analysis (from -1 to 1) (default -1)
y 0 E..V....... activity y
yuv 1 E..V....... activity yuv
-pa_scene_change_detection_enable <boolean> E..V....... Enable scene change detection (default auto)
-pa_scene_change_detection_sensitivity <int> E..V....... Set the sensitivity of scene change detection (from -1 to 2) (default -1)
low 0 E..V....... low scene change dectection sensitivity
medium 1 E..V....... medium scene change dectection sensitivity
high 2 E..V....... high scene change dectection sensitivity
-pa_static_scene_detection_enable <boolean> E..V....... Enable static scene detection (default auto)
-pa_static_scene_detection_sensitivity <int> E..V....... Set the sensitivity of static scene detection (from -1 to 2) (default -1)
low 0 E..V....... low static scene dectection sensitivity
medium 1 E..V....... medium static scene dectection sensitivity
high 2 E..V....... high static scene dectection sensitivity
-pa_initial_qp_after_scene_change <int> E..V....... The QP value that is used immediately after a scene change (from -1 to 51) (default -1)
-pa_max_qp_before_force_skip <int> E..V....... The QP threshold to allow a skip frame (from -1 to 51) (default -1)
-pa_caq_strength <int> E..V....... Content Adaptive Quantization strength (from -1 to 2) (default -1)
low 0 E..V....... low Content Adaptive Quantization strength
medium 1 E..V....... medium Content Adaptive Quantization strength
high 2 E..V....... high Content Adaptive Quantization strength
-pa_frame_sad_enable <boolean> E..V....... Enable Frame SAD algorithm (default auto)
-pa_ltr_enable <boolean> E..V....... Enable long term reference frame management (default auto)
-pa_lookahead_buffer_depth <int> E..V....... Sets the PA lookahead buffer size (from -1 to 41) (default -1)
-pa_paq_mode <int> E..V....... Sets the perceptual adaptive quantization mode (from -1 to 1) (default -1)
none 0 E..V....... no perceptual adaptive quantization
caq 1 E..V....... caq perceptual adaptive quantization
-pa_taq_mode <int> E..V....... Sets the temporal adaptive quantization mode (from -1 to 2) (default -1)
none 0 E..V....... no temporal adaptive quantization
1 1 E..V....... temporal adaptive quantization mode 1
2 2 E..V....... temporal adaptive quantization mode 2
-pa_high_motion_quality_boost_mode <int> E..V....... Sets the PA high motion quality boost mode (from -1 to 1) (default -1)
none 0 E..V....... no high motion quality boost
auto 1 E..V....... auto high motion quality boost
-pa_adaptive_mini_gop <boolean> E..V....... Enable Adaptive MiniGOP (default auto)

h264_mf AVOptions:
-rate_control <int> E..V....... Select rate control mode (from -1 to INT_MAX) (default default)
default -1 E..V....... Default mode
cbr 0 E..V....... CBR mode
pc_vbr 1 E..V....... Peak constrained VBR mode
u_vbr 2 E..V....... Unconstrained VBR mode
quality 3 E..V....... Quality mode
ld_vbr 4 E..V....... Low delay VBR mode
g_vbr 5 E..V....... Global VBR mode
gld_vbr 6 E..V....... Global low delay VBR mode
-scenario <int> E..V....... Select usage scenario (from -1 to INT_MAX) (default default)
default -1 E..V....... Default scenario
display_remoting 1 E..V....... Display remoting
video_conference 2 E..V....... Video conference
archive 3 E..V....... Archive
live_streaming 4 E..V....... Live streaming
camera_record 5 E..V....... Camera record
display_remoting_with_feature_map 6 E..V....... Display remoting with feature map
-quality <int> E..V....... Quality (from -1 to 100) (default -1)
-hw_encoding <boolean> E..V....... Force hardware encoding (default false)

h264_nvenc AVOptions:
-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
default 0 E..V.......
slow 1 E..V....... hq 2 passes
medium 2 E..V....... hq 1 pass
fast 3 E..V....... hp 1 pass
hp 4 E..V.......
hq 5 E..V.......
bd 6 E..V.......
ll 7 E..V....... low latency
llhq 8 E..V....... low latency hq
llhp 9 E..V....... low latency hp
lossless 10 E..V.......
losslesshp 11 E..V.......
p1 12 E..V....... fastest (lowest quality)
p2 13 E..V....... faster (lower quality)
p3 14 E..V....... fast (low quality)
p4 15 E..V....... medium (default)
p5 16 E..V....... slow (good quality)
p6 17 E..V....... slower (better quality)
p7 18 E..V....... slowest (best quality)
-tune <int> E..V....... Set the encoding tuning info (from 1 to 4) (default hq)
hq 1 E..V....... High quality
ll 2 E..V....... Low latency
ull 3 E..V....... Ultra low latency
lossless 4 E..V....... Lossless
-profile <int> E..V....... Set the encoding profile (from 0 to 3) (default main)
baseline 0 E..V.......
main 1 E..V.......
high 2 E..V.......
high444p 3 E..V.......
-level <int> E..V....... Set the encoding level restriction (from 0 to 62) (default auto)
auto 0 E..V.......
1 10 E..V.......
1.0 10 E..V.......
1b 9 E..V.......
1.0b 9 E..V.......
1.1 11 E..V.......
1.2 12 E..V.......
1.3 13 E..V.......
2 20 E..V.......
2.0 20 E..V.......
2.1 21 E..V.......
2.2 22 E..V.......
3 30 E..V.......
3.0 30 E..V.......
3.1 31 E..V.......
3.2 32 E..V.......
4 40 E..V.......
4.0 40 E..V.......
4.1 41 E..V.......
4.2 42 E..V.......
5 50 E..V.......
5.0 50 E..V.......
5.1 51 E..V.......
5.2 52 E..V.......
6.0 60 E..V.......
6.1 61 E..V.......
6.2 62 E..V.......
-rc <int> E..V....... Override the preset rate-control (from -1 to INT_MAX) (default -1)
constqp 0 E..V....... Constant QP mode
vbr 1 E..V....... Variable bitrate mode
cbr 2 E..V....... Constant bitrate mode
vbr_minqp 8388609 E..V....... Variable bitrate mode with MinQP (deprecated)
ll_2pass_quality 8388609 E..V....... Multi-pass optimized for image quality (deprecated)
ll_2pass_size 8388610 E..V....... Multi-pass optimized for constant frame size (deprecated)
vbr_2pass 8388609 E..V....... Multi-pass variable bitrate mode (deprecated)
cbr_ld_hq 8388610 E..V....... Constant bitrate low delay high quality mode
cbr_hq 8388610 E..V....... Constant bitrate high quality mode
vbr_hq 8388609 E..V....... Variable bitrate high quality mode
-rc-lookahead <int> E..V....... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
-surfaces <int> E..V....... Number of concurrent surfaces (from 0 to 64) (default 0)
-cbr <boolean> E..V....... Use cbr encoding mode (default false)
-2pass <boolean> E..V....... Use 2pass encoding mode (default auto)
-gpu <int> E..V....... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
any -1 E..V....... Pick the first device available
list -2 E..V....... List the available devices
-delay <int> E..V....... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX)
-no-scenecut <boolean> E..V....... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false)
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-b_adapt <boolean> E..V....... When lookahead is enabled, set this to 0 to disable adaptive B-frame decision (default true)
-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-spatial_aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-temporal_aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-zerolatency <boolean> E..V....... Set 1 to indicate zero latency operation (no reordering delay) (default false)
-nonref_p <boolean> E..V....... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
-strict_gop <boolean> E..V....... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
-aq-strength <int> E..V....... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8)
-cq <float> E..V....... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
-aud <boolean> E..V....... Use access unit delimiters (default false)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds (default false)
-init_qpP <int> E..V....... Initial QP value for P frame (from -1 to 51) (default -1)
-init_qpB <int> E..V....... Initial QP value for B frame (from -1 to 51) (default -1)
-init_qpI <int> E..V....... Initial QP value for I frame (from -1 to 51) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to 51) (default -1)
-qp_cb_offset <int> E..V....... Quantization parameter offset for cb channel (from -12 to 12) (default 0)
-qp_cr_offset <int> E..V....... Quantization parameter offset for cr channel (from -12 to 12) (default 0)
-weighted_pred <int> E..V....... Set 1 to enable weighted prediction (from 0 to 1) (default 0)
-coder <int> E..V....... Coder type (from -1 to 2) (default default)
default -1 E..V.......
auto 0 E..V.......
cabac 1 E..V.......
cavlc 2 E..V.......
ac 1 E..V.......
vlc 2 E..V.......
-b_ref_mode <int> E..V....... Use B frames as references (from -1 to 2) (default -1)
disabled 0 E..V....... B frames will not be used for reference
each 1 E..V....... Each B frame will be used for reference
middle 2 E..V....... Only (number of B frames)/2 will be used for reference
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-dpb_size <int> E..V....... Specifies the DPB size used for encoding (0 means automatic) (from 0 to INT_MAX) (default 0)
-multipass <int> E..V....... Set the multipass encoding (from 0 to 2) (default disabled)
disabled 0 E..V....... Single Pass
qres 1 E..V....... Two Pass encoding is enabled where first Pass is quarter resolution
fullres 2 E..V....... Two Pass encoding is enabled where first Pass is full resolution
-ldkfs <int> E..V....... Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR (from 0 to 255) (default 0)
-extra_sei <boolean> E..V....... Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream (default true)
-udu_sei <boolean> E..V....... Pass on user data unregistered SEI if available (default false)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames (default false)
-single-slice-intra-refresh <boolean> E..V....... Use single slice intra refresh (default false)
-constrained-encoding <boolean> E..V....... Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices (default false)

h264_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-preset <int> E..V....... (from 0 to 7) (default 0)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1)
-max_frame_size <int> E..V....... Maximum encoded frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_i <int> E..V....... Maximum encoded I frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_p <int> E..V....... Maximum encoded P frame size in bytes (from -1 to INT_MAX) (default -1)
-max_slice_size <int> E..V....... Maximum encoded slice size in bytes (from -1 to INT_MAX) (default -1)
-bitrate_limit <int> E..V....... Toggle bitrate limitations (from -1 to 1) (default -1)
-mbbrc <int> E..V....... MB level bitrate control (from -1 to 1) (default -1)
-extbrc <int> E..V....... Extended bitrate control (from -1 to 1) (default -1)
-adaptive_i <int> E..V....... Adaptive I-frame placement (from -1 to 1) (default -1)
-adaptive_b <int> E..V....... Adaptive B-frame placement (from -1 to 1) (default -1)
-p_strategy <int> E..V....... Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). (from 0 to 2) (default 0)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
-dblk_idc <int> E..V....... This option disable deblocking. It has value in range 0~2. (from 0 to 2) (default 0)
-low_delay_brc <boolean> E..V....... Allow to strictly obey avg frame size (default auto)
-max_qp_i <int> E..V....... Maximum video quantizer scale for I frame (from -1 to 51) (default -1)
-min_qp_i <int> E..V....... Minimum video quantizer scale for I frame (from -1 to 51) (default -1)
-max_qp_p <int> E..V....... Maximum video quantizer scale for P frame (from -1 to 51) (default -1)
-min_qp_p <int> E..V....... Minimum video quantizer scale for P frame (from -1 to 51) (default -1)
-max_qp_b <int> E..V....... Maximum video quantizer scale for B frame (from -1 to 51) (default -1)
-min_qp_b <int> E..V....... Minimum video quantizer scale for B frame (from -1 to 51) (default -1)
-scenario <int> E..V....... A hint to encoder about the scenario for the encoding session (from 0 to 8) (default unknown)
unknown 0 E..V.......
displayremoting 1 E..V.......
videoconference 2 E..V.......
archive 3 E..V.......
livestreaming 4 E..V.......
cameracapture 5 E..V.......
videosurveillance 6 E..V.......
gamestreaming 7 E..V.......
remotegaming 8 E..V.......
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 0 to 65535) (default 0)
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 0 to 65535) (default 0)
-skip_frame <int> E..V....... Allow frame skipping (from 0 to 3) (default no_skip)
no_skip 0 E..V....... Frame skipping is disabled
insert_dummy 1 E..V....... Encoder inserts into bitstream frame where all macroblocks are encoded as skipped
insert_nothing 2 E..V....... Encoder inserts nothing into bitstream
brc_only 3 E..V....... skip_frame metadata indicates the number of missed frames before the current frame
-cavlc <boolean> E..V....... Enable CAVLC (default false)
-vcm <boolean> E..V....... Use the video conferencing mode ratecontrol (default false)
-idr_interval <int> E..V....... Distance (in I-frames) between IDR frames (from 0 to INT_MAX) (default 0)
-pic_timing_sei <boolean> E..V....... Insert picture timing SEI with pic_struct_syntax element (default true)
-single_sei_nal_unit <int> E..V....... Put all the SEI messages into one NALU (from -1 to 1) (default -1)
-max_dec_frame_buffering <int> E..V....... Maximum number of frames buffered in the DPB (from 0 to 65535) (default 0)
-look_ahead <boolean> E..V....... Use VBR algorithm with look ahead (default false)
-look_ahead_depth <int> E..V....... Depth of look ahead in number frames (from 0 to 100) (default 0)
-look_ahead_downsampling <int> E..V....... Downscaling factor for the frames saved for the lookahead analysis (from 0 to 3) (default unknown)
unknown 0 E..V.......
auto 0 E..V.......
off 1 E..V.......
2x 2 E..V.......
4x 3 E..V.......
-int_ref_type <int> E..V....... Intra refresh type. B frames should be set to 0. (from -1 to 65535) (default -1)
none 0 E..V.......
vertical 1 E..V.......
horizontal 2 E..V.......
slice 3 E..V.......
-int_ref_cycle_size <int> E..V....... Number of frames in the intra refresh cycle (from -1 to 65535) (default -1)
-int_ref_qp_delta <int> E..V....... QP difference for the refresh MBs (from -32768 to 32767) (default -32768)
-recovery_point_sei <int> E..V....... Insert recovery point SEI messages (from -1 to 1) (default -1)
-int_ref_cycle_dist <int> E..V....... Distance between the beginnings of the intra-refresh cycles in frames (from -1 to 32767) (default -1)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
baseline 66 E..V.......
main 77 E..V.......
high 100 E..V.......
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default false)
-aud <boolean> E..V....... Insert the Access Unit Delimiter NAL (default false)
-repeat_pps <boolean> E..V....... repeat pps for every frame (default false)

hevc_amf AVOptions:
-usage <int> E..V....... Set the encoding usage (from 0 to 5) (default transcoding)
transcoding 0 E..V....... Generic Transcoding
ultralowlatency 1 E..V....... ultra low latency trancoding
lowlatency 2 E..V....... low latency trancoding
webcam 3 E..V....... Webcam
high_quality 4 E..V....... high quality trancoding
lowlatency_high_quality 5 E..V....... low latency yet high quality trancoding
-profile <int> E..V....... Set the profile (default main) (from 1 to 1) (default main)
main 1 E..V.......
-profile_tier <int> E..V....... Set the profile tier (default main) (from 0 to 1) (default main)
main 0 E..V.......
high 1 E..V.......
-level <int> E..V....... Set the encoding level (default auto) (from 0 to 186) (default auto)
auto 0 E..V.......
1.0 30 E..V.......
2.0 60 E..V.......
2.1 63 E..V.......
3.0 90 E..V.......
3.1 93 E..V.......
4.0 120 E..V.......
4.1 123 E..V.......
5.0 150 E..V.......
5.1 153 E..V.......
5.2 156 E..V.......
6.0 180 E..V.......
6.1 183 E..V.......
6.2 186 E..V.......
-quality <int> E..V....... Set the encoding quality (from 0 to 10) (default speed)
balanced 5 E..V.......
speed 10 E..V.......
quality 0 E..V.......
-rc <int> E..V....... Set the rate control mode (from -1 to 6) (default -1)
cqp 0 E..V....... Constant Quantization Parameter
cbr 3 E..V....... Constant Bitrate
vbr_peak 2 E..V....... Peak Contrained Variable Bitrate
vbr_latency 1 E..V....... Latency Constrained Variable Bitrate
qvbr 4 E..V....... Quality Variable Bitrate
hqvbr 5 E..V....... High Quality Variable Bitrate
hqcbr 6 E..V....... High Quality Constant Bitrate
-qvbr_quality_level <int> E..V....... Sets the QVBR quality level (from -1 to 51) (default -1)
-header_insertion_mode <int> E..V....... Set header insertion mode (from 0 to 2) (default none)
none 0 E..V.......
gop 1 E..V.......
idr 2 E..V.......
-high_motion_quality_boost_enable <boolean> E..V....... Enable High motion quality boost mode (default auto)
-gops_per_idr <int> E..V....... GOPs per IDR 0-no IDR will be inserted (from 0 to INT_MAX) (default 1)
-preencode <boolean> E..V....... Enable preencode (default false)
-vbaq <boolean> E..V....... Enable VBAQ (default false)
-enforce_hrd <boolean> E..V....... Enforce HRD (default false)
-filler_data <boolean> E..V....... Filler Data Enable (default false)
-max_au_size <int> E..V....... Maximum Access Unit Size for rate control (in bits) (from 0 to INT_MAX) (default 0)
-min_qp_i <int> E..V....... min quantization parameter for I-frame (from -1 to 51) (default -1)
-max_qp_i <int> E..V....... max quantization parameter for I-frame (from -1 to 51) (default -1)
-min_qp_p <int> E..V....... min quantization parameter for P-frame (from -1 to 51) (default -1)
-max_qp_p <int> E..V....... max quantization parameter for P-frame (from -1 to 51) (default -1)
-qp_p <int> E..V....... quantization parameter for P-frame (from -1 to 51) (default -1)
-qp_i <int> E..V....... quantization parameter for I-frame (from -1 to 51) (default -1)
-skip_frame <boolean> E..V....... Rate Control Based Frame Skip (default false)
-me_half_pel <boolean> E..V....... Enable ME Half Pixel (default true)
-me_quarter_pel <boolean> E..V....... Enable ME Quarter Pixel (default true)
-aud <boolean> E..V....... Inserts AU Delimiter NAL unit (default false)
-log_to_dbg <boolean> E..V....... Enable AMF logging to debug output (default false)
-preanalysis <boolean> E..V....... Enable preanalysis (default auto)
-pa_activity_type <int> E..V....... Set the type of activity analysis (from -1 to 1) (default -1)
y 0 E..V....... activity y
yuv 1 E..V....... activity yuv
-pa_scene_change_detection_enable <boolean> E..V....... Enable scene change detection (default auto)
-pa_scene_change_detection_sensitivity <int> E..V....... Set the sensitivity of scene change detection (from -1 to 2) (default -1)
low 0 E..V....... low scene change dectection sensitivity
medium 1 E..V....... medium scene change dectection sensitivity
high 2 E..V....... high scene change dectection sensitivity
-pa_static_scene_detection_enable <boolean> E..V....... Enable static scene detection (default auto)
-pa_static_scene_detection_sensitivity <int> E..V....... Set the sensitivity of static scene detection (from -1 to 2) (default -1)
low 0 E..V....... low static scene dectection sensitivity
medium 1 E..V....... medium static scene dectection sensitivity
high 2 E..V....... high static scene dectection sensitivity
-pa_initial_qp_after_scene_change <int> E..V....... The QP value that is used immediately after a scene change (from -1 to 51) (default -1)
-pa_max_qp_before_force_skip <int> E..V....... The QP threshold to allow a skip frame (from -1 to 51) (default -1)
-pa_caq_strength <int> E..V....... Content Adaptive Quantization strength (from -1 to 2) (default -1)
low 0 E..V....... low Content Adaptive Quantization strength
medium 1 E..V....... medium Content Adaptive Quantization strength
high 2 E..V....... high Content Adaptive Quantization strength
-pa_frame_sad_enable <boolean> E..V....... Enable Frame SAD algorithm (default auto)
-pa_ltr_enable <boolean> E..V....... Enable long term reference frame management (default auto)
-pa_lookahead_buffer_depth <int> E..V....... Sets the PA lookahead buffer size (from -1 to 41) (default -1)
-pa_paq_mode <int> E..V....... Sets the perceptual adaptive quantization mode (from -1 to 1) (default -1)
none 0 E..V....... no perceptual adaptive quantization
caq 1 E..V....... caq perceptual adaptive quantization
-pa_taq_mode <int> E..V....... Sets the temporal adaptive quantization mode (from -1 to 2) (default -1)
none 0 E..V....... no temporal adaptive quantization
1 1 E..V....... temporal adaptive quantization mode 1
2 2 E..V....... temporal adaptive quantization mode 2
-pa_high_motion_quality_boost_mode <int> E..V....... Sets the PA high motion quality boost mode (from -1 to 1) (default -1)
none 0 E..V....... no high motion quality boost
auto 1 E..V....... auto high motion quality boost

hevc_mf AVOptions:
-rate_control <int> E..V....... Select rate control mode (from -1 to INT_MAX) (default default)
default -1 E..V....... Default mode
cbr 0 E..V....... CBR mode
pc_vbr 1 E..V....... Peak constrained VBR mode
u_vbr 2 E..V....... Unconstrained VBR mode
quality 3 E..V....... Quality mode
ld_vbr 4 E..V....... Low delay VBR mode
g_vbr 5 E..V....... Global VBR mode
gld_vbr 6 E..V....... Global low delay VBR mode
-scenario <int> E..V....... Select usage scenario (from -1 to INT_MAX) (default default)
default -1 E..V....... Default scenario
display_remoting 1 E..V....... Display remoting
video_conference 2 E..V....... Video conference
archive 3 E..V....... Archive
live_streaming 4 E..V....... Live streaming
camera_record 5 E..V....... Camera record
display_remoting_with_feature_map 6 E..V....... Display remoting with feature map
-quality <int> E..V....... Quality (from -1 to 100) (default -1)
-hw_encoding <boolean> E..V....... Force hardware encoding (default false)

hevc_nvenc AVOptions:
-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
default 0 E..V.......
slow 1 E..V....... hq 2 passes
medium 2 E..V....... hq 1 pass
fast 3 E..V....... hp 1 pass
hp 4 E..V.......
hq 5 E..V.......
bd 6 E..V.......
ll 7 E..V....... low latency
llhq 8 E..V....... low latency hq
llhp 9 E..V....... low latency hp
lossless 10 E..V....... lossless
losslesshp 11 E..V....... lossless hp
p1 12 E..V....... fastest (lowest quality)
p2 13 E..V....... faster (lower quality)
p3 14 E..V....... fast (low quality)
p4 15 E..V....... medium (default)
p5 16 E..V....... slow (good quality)
p6 17 E..V....... slower (better quality)
p7 18 E..V....... slowest (best quality)
-tune <int> E..V....... Set the encoding tuning info (from 1 to 4) (default hq)
hq 1 E..V....... High quality
ll 2 E..V....... Low latency
ull 3 E..V....... Ultra low latency
lossless 4 E..V....... Lossless
-profile <int> E..V....... Set the encoding profile (from 0 to 4) (default main)
main 0 E..V.......
main10 1 E..V.......
rext 2 E..V.......
-level <int> E..V....... Set the encoding level restriction (from 0 to 186) (default auto)
auto 0 E..V.......
1 30 E..V.......
1.0 30 E..V.......
2 60 E..V.......
2.0 60 E..V.......
2.1 63 E..V.......
3 90 E..V.......
3.0 90 E..V.......
3.1 93 E..V.......
4 120 E..V.......
4.0 120 E..V.......
4.1 123 E..V.......
5 150 E..V.......
5.0 150 E..V.......
5.1 153 E..V.......
5.2 156 E..V.......
6 180 E..V.......
6.0 180 E..V.......
6.1 183 E..V.......
6.2 186 E..V.......
-tier <int> E..V....... Set the encoding tier (from 0 to 1) (default main)
main 0 E..V.......
high 1 E..V.......
-rc <int> E..V....... Override the preset rate-control (from -1 to INT_MAX) (default -1)
constqp 0 E..V....... Constant QP mode
vbr 1 E..V....... Variable bitrate mode
cbr 2 E..V....... Constant bitrate mode
vbr_minqp 8388609 E..V....... Variable bitrate mode with MinQP (deprecated)
ll_2pass_quality 8388609 E..V....... Multi-pass optimized for image quality (deprecated)
ll_2pass_size 8388610 E..V....... Multi-pass optimized for constant frame size (deprecated)
vbr_2pass 8388609 E..V....... Multi-pass variable bitrate mode (deprecated)
cbr_ld_hq 8388610 E..V....... Constant bitrate low delay high quality mode
cbr_hq 8388610 E..V....... Constant bitrate high quality mode
vbr_hq 8388609 E..V....... Variable bitrate high quality mode
-rc-lookahead <int> E..V....... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
-surfaces <int> E..V....... Number of concurrent surfaces (from 0 to 64) (default 0)
-cbr <boolean> E..V....... Use cbr encoding mode (default false)
-2pass <boolean> E..V....... Use 2pass encoding mode (default auto)
-gpu <int> E..V....... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
any -1 E..V....... Pick the first device available
list -2 E..V....... List the available devices
-delay <int> E..V....... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX)
-no-scenecut <boolean> E..V....... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false)
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-spatial_aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-temporal_aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-zerolatency <boolean> E..V....... Set 1 to indicate zero latency operation (no reordering delay) (default false)
-nonref_p <boolean> E..V....... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
-strict_gop <boolean> E..V....... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
-aq-strength <int> E..V....... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8)
-cq <float> E..V....... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
-aud <boolean> E..V....... Use access unit delimiters (default false)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds (default false)
-init_qpP <int> E..V....... Initial QP value for P frame (from -1 to 51) (default -1)
-init_qpB <int> E..V....... Initial QP value for B frame (from -1 to 51) (default -1)
-init_qpI <int> E..V....... Initial QP value for I frame (from -1 to 51) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to 51) (default -1)
-qp_cb_offset <int> E..V....... Quantization parameter offset for cb channel (from -12 to 12) (default 0)
-qp_cr_offset <int> E..V....... Quantization parameter offset for cr channel (from -12 to 12) (default 0)
-weighted_pred <int> E..V....... Set 1 to enable weighted prediction (from 0 to 1) (default 0)
-b_ref_mode <int> E..V....... Use B frames as references (from -1 to 2) (default -1)
disabled 0 E..V....... B frames will not be used for reference
each 1 E..V....... Each B frame will be used for reference
middle 2 E..V....... Only (number of B frames)/2 will be used for reference
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-s12m_tc <boolean> E..V....... Use timecode (if available) (default true)
-dpb_size <int> E..V....... Specifies the DPB size used for encoding (0 means automatic) (from 0 to INT_MAX) (default 0)
-multipass <int> E..V....... Set the multipass encoding (from 0 to 2) (default disabled)
disabled 0 E..V....... Single Pass
qres 1 E..V....... Two Pass encoding is enabled where first Pass is quarter resolution
fullres 2 E..V....... Two Pass encoding is enabled where first Pass is full resolution
-ldkfs <int> E..V....... Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR (from 0 to 255) (default 0)
-extra_sei <boolean> E..V....... Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream (default true)
-udu_sei <boolean> E..V....... Pass on user data unregistered SEI if available (default false)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames (default false)
-single-slice-intra-refresh <boolean> E..V....... Use single slice intra refresh (default false)
-constrained-encoding <boolean> E..V....... Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices (default false)

hevc_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-preset <int> E..V....... (from 0 to 7) (default 0)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1)
-max_frame_size <int> E..V....... Maximum encoded frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_i <int> E..V....... Maximum encoded I frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_p <int> E..V....... Maximum encoded P frame size in bytes (from -1 to INT_MAX) (default -1)
-max_slice_size <int> E..V....... Maximum encoded slice size in bytes (from -1 to INT_MAX) (default -1)
-mbbrc <int> E..V....... MB level bitrate control (from -1 to 1) (default -1)
-extbrc <int> E..V....... Extended bitrate control (from -1 to 1) (default -1)
-p_strategy <int> E..V....... Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). (from 0 to 2) (default 0)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
-dblk_idc <int> E..V....... This option disable deblocking. It has value in range 0~2. (from 0 to 2) (default 0)
-low_delay_brc <boolean> E..V....... Allow to strictly obey avg frame size (default auto)
-max_qp_i <int> E..V....... Maximum video quantizer scale for I frame (from -1 to 51) (default -1)
-min_qp_i <int> E..V....... Minimum video quantizer scale for I frame (from -1 to 51) (default -1)
-max_qp_p <int> E..V....... Maximum video quantizer scale for P frame (from -1 to 51) (default -1)
-min_qp_p <int> E..V....... Minimum video quantizer scale for P frame (from -1 to 51) (default -1)
-max_qp_b <int> E..V....... Maximum video quantizer scale for B frame (from -1 to 51) (default -1)
-min_qp_b <int> E..V....... Minimum video quantizer scale for B frame (from -1 to 51) (default -1)
-adaptive_i <int> E..V....... Adaptive I-frame placement (from -1 to 1) (default -1)
-adaptive_b <int> E..V....... Adaptive B-frame placement (from -1 to 1) (default -1)
-scenario <int> E..V....... A hint to encoder about the scenario for the encoding session (from 0 to 8) (default unknown)
unknown 0 E..V.......
displayremoting 1 E..V.......
videoconference 2 E..V.......
archive 3 E..V.......
livestreaming 4 E..V.......
cameracapture 5 E..V.......
videosurveillance 6 E..V.......
gamestreaming 7 E..V.......
remotegaming 8 E..V.......
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 0 to 65535) (default 0)
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 0 to 65535) (default 0)
-skip_frame <int> E..V....... Allow frame skipping (from 0 to 3) (default no_skip)
no_skip 0 E..V....... Frame skipping is disabled
insert_dummy 1 E..V....... Encoder inserts into bitstream frame where all macroblocks are encoded as skipped
insert_nothing 2 E..V....... Encoder inserts nothing into bitstream
brc_only 3 E..V....... skip_frame metadata indicates the number of missed frames before the current frame
-idr_interval <int> E..V....... Distance (in I-frames) between IDR frames (from -1 to INT_MAX) (default 0)
begin_only -1 E..V....... Output an IDR-frame only at the beginning of the stream
-load_plugin <int> E..V....... A user plugin to load in an internal session (from 0 to 2) (default hevc_hw)
none 0 E..V.......
hevc_sw 1 E..V.......
hevc_hw 2 E..V.......
-load_plugins <string> E..V....... A :-separate list of hexadecimal plugin UIDs to load in an internal session (default "")
-look_ahead_depth <int> E..V....... Depth of look ahead in number frames, available when extbrc option is enabled (from 0 to 100) (default 0)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
main 1 E..V.......
main10 2 E..V.......
mainsp 3 E..V.......
rext 4 E..V.......
scc 9 E..V.......
-tier <int> E..V....... Set the encoding tier (only level >= 4 can support high tier) (from 0 to 256) (default high)
main 0 E..V.......
high 256 E..V.......
-gpb <boolean> E..V....... 1: GPB (generalized P/B frame); 0: regular P frame (default true)
-tile_cols <int> E..V....... Number of columns for tiled encoding (from 0 to 65535) (default 0)
-tile_rows <int> E..V....... Number of rows for tiled encoding (from 0 to 65535) (default 0)
-recovery_point_sei <int> E..V....... Insert recovery point SEI messages (from -1 to 1) (default -1)
-aud <boolean> E..V....... Insert the Access Unit Delimiter NAL (default false)
-pic_timing_sei <boolean> E..V....... Insert picture timing SEI with pic_struct_syntax element (default true)
-transform_skip <int> E..V....... Turn this option ON to enable transformskip (from -1 to 1) (default -1)
-int_ref_type <int> E..V....... Intra refresh type. B frames should be set to 0 (from -1 to 65535) (default -1)
none 0 E..V.......
vertical 1 E..V.......
horizontal 2 E..V.......
slice 3 E..V.......
-int_ref_cycle_size <int> E..V....... Number of frames in the intra refresh cycle (from -1 to 65535) (default -1)
-int_ref_qp_delta <int> E..V....... QP difference for the refresh MBs (from -32768 to 32767) (default -32768)
-int_ref_cycle_dist <int> E..V....... Distance between the beginnings of the intra-refresh cycles in frames (from -1 to 32767) (default -1)

mjpeg_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)

mpeg2_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-preset <int> E..V....... (from 0 to 7) (default 0)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
simple 80 E..V.......
main 64 E..V.......
high 16 E..V.......

vp9_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-preset <int> E..V....... (from 0 to 7) (default 0)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
profile0 1 E..V.......
profile1 2 E..V.......
profile2 3 E..V.......
profile3 4 E..V.......
-tile_cols <int> E..V....... Number of columns for tiled encoding (from 0 to 32) (default 0)
-tile_rows <int> E..V....... Number of rows for tiled encoding (from 0 to 4) (default 0)

EXR AVOptions:
-layer <string> .D.V....... Set the decoding layer (default "")
-part <int> .D.V....... Set the decoding part (from 0 to INT_MAX) (default 0)
-gamma <float> .D.V....... Set the float gamma value when decoding (from 0.001 to FLT_MAX) (default 1)
-apply_trc <int> .D.V....... color transfer characteristics to apply to EXR linear input (from 1 to 18) (default gamma)
bt709 1 .D.V....... BT.709
gamma 2 .D.V....... gamma
gamma22 4 .D.V....... BT.470 M
gamma28 5 .D.V....... BT.470 BG
smpte170m 6 .D.V....... SMPTE 170 M
smpte240m 7 .D.V....... SMPTE 240 M
linear 8 .D.V....... Linear
log 9 .D.V....... Log
log_sqrt 10 .D.V....... Log square root
iec61966_2_4 11 .D.V....... IEC 61966-2-4
bt1361 12 .D.V....... BT.1361
iec61966_2_1 13 .D.V....... IEC 61966-2-1
bt2020_10bit 14 .D.V....... BT.2020 - 10 bit
bt2020_12bit 15 .D.V....... BT.2020 - 12 bit
smpte2084 16 .D.V....... SMPTE ST 2084
smpte428_1 17 .D.V....... SMPTE ST 428-1

FIC decoder AVOptions:
-skip_cursor <boolean> .D.V....... skip the cursor (default false)

FITS decoder AVOptions:
-blank_value <int> .D.V....... value that is used to replace BLANK pixels in data array (from 0 to 65535) (default 0)

frwu Decoder AVOptions:
-change_field_order <boolean> .D.V....... Change field order (default false)

gif decoder AVOptions:
-trans_color <int> .D.V....... color value (ARGB) that is used instead of transparent color (from 0 to UINT32_MAX) (default 16777215)

H264 Decoder AVOptions:
-is_avc <boolean> .D.V..X.... is avc (default false)
-nal_length_size <int> .D.V..X.... nal_length_size (from 0 to 4) (default 0)
-enable_er <boolean> .D.V....... Enable error resilience on damaged frames (unsafe) (default auto)
-x264_build <int> .D.V....... Assume this x264 version if no x264 version found in any SEI (from -1 to INT_MAX) (default -1)

h264_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

HEVC decoder AVOptions:
-apply_defdispwin <boolean> .D.V....... Apply default display window from VUI (default false)
-strict-displaywin <boolean> .D.V....... stricly apply default display window size (default false)

hevc_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-load_plugin <int> .D.V....... A user plugin to load in an internal session (from 0 to 2) (default hevc_hw)
none 0 .D.V.......
hevc_sw 1 .D.V.......
hevc_hw 2 .D.V.......
-load_plugins <string> .D.V....... A :-separate list of hexadecimal plugin UIDs to load in an internal session (default "")
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

jpeg2000 AVOptions:
-lowres <int> .D.V....... Lower the decoding resolution by a power of two (from 0 to 33) (default 0)

MJPEG decoder AVOptions:
-extern_huff <boolean> .D.V....... Use external huffman table. (default false)

MPEG4 Video Decoder AVOptions:

mpeg2_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

photocd AVOptions:
-lowres <int> .D.V....... Lower the decoding resolution by a power of two (from 0 to 4) (default 0)

rasc decoder AVOptions:
-skip_cursor <boolean> .D.V....... skip the cursor (default false)

rawdec AVOptions:
-top <boolean> .D.V....... top field first (default auto)

SMPTE 302M Decoder AVOptions:
-non_pcm_mode <int> .D..A...... Chooses what to do with NON-PCM (from 0 to 3) (default decode_drop)
copy 0 .D..A...... Pass NON-PCM through unchanged
drop 1 .D..A...... Drop NON-PCM
decode_copy 2 .D..A...... Decode if possible else passthrough
decode_drop 3 .D..A...... Decode if possible else drop

TIFF decoder AVOptions:
-subimage <boolean> .D.V....... decode subimage instead if available (default false)
-thumbnail <boolean> .D.V....... decode embedded thumbnail subimage instead if available (default false)
-page <int> .D.V....... page number of multi-page image to decode (starting from 1) (from 0 to 65535) (default 0)

V210 Decoder AVOptions:
-custom_stride <int> .D.V....... Custom V210 stride (from -1 to INT_MAX) (default 0)

vc1_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

AAC decoder AVOptions:
-dual_mono_mode <int> .D..A...... Select the channel to decode for dual mono (from -1 to 2) (default auto)
auto -1 .D..A...... autoselection
main 1 .D..A...... Select Main/Left channel
sub 2 .D..A...... Select Sub/Right channel
both 0 .D..A...... Select both channels
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream

(E-)AC3 decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-target_level <int> .D..A...... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder

Fixed-Point AC-3 Decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder

alac AVOptions:
-extra_bits_bug <boolean> .D..A...... Force non-standard decoding process (default false)

APE decoder AVOptions:
-max_samples <int> .D..A...... maximum number of samples decoded per call (from 1 to INT_MAX) (default 4608)
all 2147483647 .D..A...... no maximum. decode all samples for each packet at once

DCA decoder AVOptions:
-core_only <boolean> .D..A...... Decode core only without extensions (default false)
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder

Dolby E decoder AVOptions:
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream

evrc AVOptions:
-postfilter <boolean> .D..A...... enable postfilter (default true)

FLAC decoder AVOptions:
-use_buggy_lpc <boolean> .D..A...... emulate old buggy lavc behavior (default false)

G.723.1 decoder AVOptions:
-postfilter <boolean> .D..A...... enable postfilter (default true)

MLP decoder AVOptions:
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder

Opus Decoder AVOptions:
-apply_phase_inv <boolean> .D..A...... Apply intensity stereo phase inversion (default true)

TrueHD decoder AVOptions:
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder

TTA Decoder AVOptions:
-password <string> .D..A...... Set decoding password

g722 decoder AVOptions:
-bits_per_codeword <int> .D..A...... Bits per G722 codeword (from 6 to 8) (default 8)

Closed caption Decoder AVOptions:
-real_time <boolean> .D...S..... emit subtitle events as they are decoded for real-time display (default false)
-real_time_latency_msec <int> .D...S..... minimum elapsed time between emitting real-time subtitle events (from 0 to 500) (default 200)
-data_field <int> .D...S..... select data field (from -1 to 1) (default auto)
auto -1 .D...S..... pick first one that appears
first 0 .D...S.....
second 1 .D...S.....

DVB Sub Decoder AVOptions:
-compute_edt <boolean> .D...S..... compute end of time using pts or timeout (default false)
-compute_clut <boolean> .D...S..... compute clut when not available(-1) or only once (-2) or always(1) or never(0) (default auto)
-dvb_substream <int> .D...S..... (from -1 to 63) (default -1)

dvdsubdec AVOptions:
-palette <string> .D...S..... set the global palette
-ifo_palette <string> .D...S..... obtain the global palette from .IFO file
-forced_subs_only <boolean> .D...S..... Only show forced subtitles (default false)

MOV text decoder AVOptions:
-width <int> .D...S..... Frame width, usually video width (from 0 to INT_MAX) (default 0)
-height <int> .D...S..... Frame height, usually video height (from 0 to INT_MAX) (default 0)

PGS subtitle decoder AVOptions:
-forced_subs_only <boolean> .D...S..... Only show forced subtitles (default false)

text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)

libdav1d decoder AVOptions:
-tilethreads <int> .D.V......P Tile threads (from 0 to 64) (default 0)
-framethreads <int> .D.V......P Frame threads (from 0 to 256) (default 0)
-max_frame_delay <int> .D.V....... Max frame delay (from 0 to 256) (default 0)
-filmgrain <boolean> .D.V......P Apply Film Grain (default auto)
-oppoint <int> .D.V....... Select an operating point of the scalable bitstream (from -1 to 31) (default -1)
-alllayers <boolean> .D.V....... Output all spatial layers (default false)

libfdk-aac decoder AVOptions:
-conceal <int> .D..A...... Error concealment method (from 0 to 2) (default noise)
spectral 0 .D..A...... Spectral muting
noise 1 .D..A...... Noise Substitution
energy 2 .D..A...... Energy Interpolation
-drc_boost <int> .D..A...... Dynamic Range Control: boost, where [0] is none and [127] is max boost (from -1 to 127) (default -1)
-drc_cut <int> .D..A...... Dynamic Range Control: attenuation factor, where [0] is none and [127] is max compression (from -1 to 127) (default -1)
-drc_level <int> .D..A...... Dynamic Range Control: reference level, quantized to 0.25dB steps where [0] is 0dB and [127] is -31.75dB, -1 for auto, and -2 for disabled (from -2 to 127) (default -1)
-drc_heavy <int> .D..A...... Dynamic Range Control: heavy compression, where [1] is on (RF mode) and [0] is off (from -1 to 1) (default -1)
-level_limit <boolean> .D..A...... Signal level limiting (default auto)
-drc_effect <int> .D..A...... Dynamic Range Control: effect type, where e.g. [0] is none and [6] is general (from -1 to 8) (default -1)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder

libopusdec AVOptions:
-apply_phase_inv <boolean> .D..A...... Apply intensity stereo phase inversion (default true)

AV1 decoder AVOptions:
-operating_point <int> .D.V....... Select an operating point of the scalable bitstream (from 0 to 31) (default 0)

av1_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

av1_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

h264_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

hevc_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

mjpeg_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

mjpeg_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

mpeg1_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

mpeg2_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

mpeg4_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

vc1_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

vp8_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

vp8_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

vp9_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)

vp9_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......

AVFormatContext AVOptions:
-avioflags <flags> ED......... (default 0)
direct ED......... reduce buffering
-probesize <int64> .D......... set probing size (from 32 to I64_MAX) (default 5000000)
-formatprobesize <int> .D......... number of bytes to probe file format (from 0 to 2.14748e+009) (default 1048576)
-packetsize <int> E.......... set packet size (from 0 to INT_MAX) (default 0)
-fflags <flags> ED......... (default autobsf)
flush_packets E.......... reduce the latency by flushing out packets immediately
ignidx .D......... ignore index
genpts .D......... generate pts
nofillin .D......... do not fill in missing values that can be exactly calculated
noparse .D......... disable AVParsers, this needs nofillin too
igndts .D......... ignore dts
discardcorrupt .D......... discard corrupted frames
sortdts .D......... try to interleave outputted packets by dts
fastseek .D......... fast but inaccurate seeks
nobuffer .D......... reduce the latency introduced by optional buffering
bitexact E.......... do not write random/volatile data
shortest E.......... stop muxing with the shortest stream
autobsf E.......... add needed bsfs automatically
-seek2any <boolean> .D......... allow seeking to non-keyframes on demuxer level when supported (default false)
-analyzeduration <int64> .D......... specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0)
-cryptokey <binary> .D......... decryption key
-indexmem <int> .D......... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1048576)
-rtbufsize <int> .D......... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3041280)
-fdebug <flags> ED......... print specific debug info (default 0)
ts ED.........
-max_delay <int> ED......... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1)
-start_time_realtime <int64> E.......... wall-clock time when stream begins (PTS==0) (from I64_MIN to I64_MAX) (default I64_MIN)
-fpsprobesize <int> .D......... number of frames used to probe fps (from -1 to 2.14748e+009) (default -1)
-audio_preload <int> E.......... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+009) (default 0)
-chunk_duration <int> E.......... microseconds for each chunk (from 0 to 2.14748e+009) (default 0)
-chunk_size <int> E.......... size in bytes for each chunk (from 0 to 2.14748e+009) (default 0)
-f_err_detect <flags> .D......... set error detection flags (deprecated; use err_detect, save via avconv) (default crccheck)
crccheck .D......... verify embedded CRCs
bitstream .D......... detect bitstream specification deviations
buffer .D......... detect improper bitstream length
explode .D......... abort decoding on minor error detection
ignore_err .D......... ignore errors
careful .D......... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D......... consider all spec non compliancies as errors
aggressive .D......... consider things that a sane encoder shouldn't do as an error
-err_detect <flags> .D......... set error detection flags (default crccheck)
crccheck .D......... verify embedded CRCs
bitstream .D......... detect bitstream specification deviations
buffer .D......... detect improper bitstream length
explode .D......... abort decoding on minor error detection
ignore_err .D......... ignore errors
careful .D......... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D......... consider all spec non compliancies as errors
aggressive .D......... consider things that a sane encoder shouldn't do as an error
-use_wallclock_as_timestamps <boolean> .D......... use wallclock as timestamps (default false)
-skip_initial_bytes <int64> .D......... set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0)
-correct_ts_overflow <boolean> .D......... correct single timestamp overflows (default true)
-flush_packets <int> E.......... enable flushing of the I/O context after each packet (from -1 to 1) (default -1)
-metadata_header_padding <int> E.......... set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1)
-output_ts_offset <duration> E.......... set output timestamp offset (default 0)
-max_interleave_delta <int64> E.......... maximum buffering duration for interleaving (from 0 to I64_MAX) (default 10000000)
-f_strict <int> ED......... how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default normal)
very 2 ED......... strictly conform to a older more strict version of the spec or reference software
strict 1 ED......... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.........
unofficial -1 ED......... allow unofficial extensions
experimental -2 ED......... allow non-standardized experimental variants
-strict <int> ED......... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal)
very 2 ED......... strictly conform to a older more strict version of the spec or reference software
strict 1 ED......... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.........
unofficial -1 ED......... allow unofficial extensions
experimental -2 ED......... allow non-standardized experimental variants
-max_ts_probe <int> .D......... maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50)
-avoid_negative_ts <int> E.......... shift timestamps so they start at 0 (from -1 to 2) (default auto)
auto -1 E.......... enabled when required by target format
disabled 0 E.......... do not change timestamps
make_non_negative 1 E.......... shift timestamps so they are non negative
make_zero 2 E.......... shift timestamps so they start at 0
-dump_separator <string> ED......... set information dump field separator (default ", ")
-codec_whitelist <string> .D......... List of decoders that are allowed to be used
-format_whitelist <string> .D......... List of demuxers that are allowed to be used
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
-protocol_blacklist <string> .D......... List of protocols that are not allowed to be used
-max_streams <int> .D......... maximum number of streams (from 0 to INT_MAX) (default 1000)
-skip_estimate_duration_from_pts <boolean> .D......... skip duration calculation in estimate_timings_from_pts (default false)
-max_probe_packets <int> .D......... Maximum number of packets to probe a codec (from 0 to INT_MAX) (default 2500)

AVIOContext AVOptions:
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used

URLContext AVOptions:
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
-protocol_blacklist <string> .D......... List of protocols that are not allowed to be used
-rw_timeout <int64> ED......... Timeout for IO operations (in microseconds) (from 0 to I64_MAX) (default 0)

Async AVOptions:

bluray AVOptions:
-playlist <int> .D......... (from -1 to 99999) (default -1)
-angle <int> .D......... (from 0 to 254) (default 0)
-chapter <int> .D......... (from 1 to 65534) (default 1)

cache AVOptions:
-read_ahead_limit <int> .D......... Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited (from -1 to INT_MAX) (default 65536)

crypto AVOptions:
-key <binary> ED......... AES encryption/decryption key
-iv <binary> ED......... AES encryption/decryption initialization vector
-decryption_key <binary> .D......... AES decryption key
-decryption_iv <binary> .D......... AES decryption initialization vector
-encryption_key <binary> E.......... AES encryption key
-encryption_iv <binary> E.......... AES encryption initialization vector

fd AVOptions:
-blocksize <int> E.......... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
-fd <int> E.......... set file descriptor (from -1 to INT_MAX) (default -1)

file AVOptions:
-truncate <boolean> E.......... truncate existing files on write (default true)
-blocksize <int> E.......... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
-follow <int> .D......... Follow a file as it is being written (from 0 to 1) (default 0)
-seekable <int> ED......... Sets if the file is seekable (from -1 to 0) (default -1)

ftp AVOptions:
-timeout <int> ED......... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1)
-ftp-write-seekable <boolean> E.......... control seekability of connection during encoding (default false)
-ftp-anonymous-password <string> ED......... password for anonymous login. E-mail address should be used.
-ftp-user <string> ED......... user for FTP login. Overridden by whatever is in the URL.
-ftp-password <string> ED......... password for FTP login. Overridden by whatever is in the URL.

http AVOptions:
-seekable <boolean> .D......... control seekability of connection (default auto)
-chunked_post <boolean> E.......... use chunked transfer-encoding for posts (default true)
-http_proxy <string> ED......... set HTTP proxy to tunnel through
-headers <string> ED......... set custom HTTP headers, can override built in default headers
-content_type <string> ED......... set a specific content type for the POST messages
-user_agent <string> .D......... override User-Agent header (default "Lavf/60.10.100")
-referer <string> .D......... override referer header
-multiple_requests <boolean> ED......... use persistent connections (default false)
-post_data <binary> ED......... set custom HTTP post data
-cookies <string> .D......... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <boolean> .D......... request ICY metadata (default true)
-auth_type <int> ED......... HTTP authentication type (from 0 to 1) (default none)
none 0 ED......... No auth method set, autodetect
basic 1 ED......... HTTP basic authentication
-send_expect_100 <boolean> E.......... Force sending an Expect: 100-continue header for POST (default auto)
-location <string> ED......... The actual location of the data received
-offset <int64> .D......... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D......... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> ED......... Override the HTTP method or set the expected HTTP method from a client
-reconnect <boolean> .D......... auto reconnect after disconnect before EOF (default false)
-reconnect_at_eof <boolean> .D......... auto reconnect at EOF (default false)
-reconnect_on_network_error <boolean> .D......... auto reconnect in case of tcp/tls error during connect (default false)
-reconnect_on_http_error <string> .D......... list of http status codes to reconnect on
-reconnect_streamed <boolean> .D......... auto reconnect streamed / non seekable streams (default false)
-reconnect_delay_max <int> .D......... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120)
-listen <int> ED......... listen on HTTP (from 0 to 2) (default 0)
-resource <string> E.......... The resource requested by a client
-reply_code <int> E.......... The http status code to return to a client (from INT_MIN to 599) (default 200)
-short_seek_size <int> .D......... Threshold to favor readahead over seek. (from 0 to INT_MAX) (default 0)

https AVOptions:
-seekable <boolean> .D......... control seekability of connection (default auto)
-chunked_post <boolean> E.......... use chunked transfer-encoding for posts (default true)
-http_proxy <string> ED......... set HTTP proxy to tunnel through
-headers <string> ED......... set custom HTTP headers, can override built in default headers
-content_type <string> ED......... set a specific content type for the POST messages
-user_agent <string> .D......... override User-Agent header (default "Lavf/60.10.100")
-referer <string> .D......... override referer header
-multiple_requests <boolean> ED......... use persistent connections (default false)
-post_data <binary> ED......... set custom HTTP post data
-cookies <string> .D......... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <boolean> .D......... request ICY metadata (default true)
-auth_type <int> ED......... HTTP authentication type (from 0 to 1) (default none)
none 0 ED......... No auth method set, autodetect
basic 1 ED......... HTTP basic authentication
-send_expect_100 <boolean> E.......... Force sending an Expect: 100-continue header for POST (default auto)
-location <string> ED......... The actual location of the data received
-offset <int64> .D......... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D......... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> ED......... Override the HTTP method or set the expected HTTP method from a client
-reconnect <boolean> .D......... auto reconnect after disconnect before EOF (default false)
-reconnect_at_eof <boolean> .D......... auto reconnect at EOF (default false)
-reconnect_on_network_error <boolean> .D......... auto reconnect in case of tcp/tls error during connect (default false)
-reconnect_on_http_error <string> .D......... list of http status codes to reconnect on
-reconnect_streamed <boolean> .D......... auto reconnect streamed / non seekable streams (default false)
-reconnect_delay_max <int> .D......... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120)
-listen <int> ED......... listen on HTTP (from 0 to 2) (default 0)
-resource <string> E.......... The resource requested by a client
-reply_code <int> E.......... The http status code to return to a client (from INT_MIN to 599) (default 200)
-short_seek_size <int> .D......... Threshold to favor readahead over seek. (from 0 to INT_MAX) (default 0)

icecast AVOptions:
-ice_genre <string> E.......... set stream genre
-ice_name <string> E.......... set stream description
-ice_description <string> E.......... set stream description
-ice_url <string> E.......... set stream website
-ice_public <boolean> E.......... set if stream is public (default false)
-user_agent <string> E.......... override User-Agent header
-password <string> E.......... set password
-content_type <string> E.......... set content-type, MUST be set if not audio/mpeg
-legacy_icecast <boolean> E.......... use legacy SOURCE method, for Icecast < v2.4 (default false)
-tls <boolean> E.......... use a TLS connection (default false)

pipe AVOptions:
-blocksize <int> E.......... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
-fd <int> E.......... set file descriptor (from -1 to INT_MAX) (default -1)

prompeg AVOptions:
-ttl <int> E.......... Time to live (in milliseconds, multicast only) (from -1 to INT_MAX) (default -1)
-l <int> E.......... FEC L (from 4 to 20) (default 5)
-d <int> E.......... FEC D (from 4 to 20) (default 5)

rtp AVOptions:
-ttl <int> ED......... Time to live (multicast only) (from -1 to 255) (default -1)
-buffer_size <int> ED......... Send/Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-rtcp_port <int> ED......... Custom rtcp port (from -1 to INT_MAX) (default -1)
-local_rtpport <int> ED......... Local rtp port (from -1 to INT_MAX) (default -1)
-local_rtcpport <int> ED......... Local rtcp port (from -1 to INT_MAX) (default -1)
-connect <boolean> ED......... Connect socket (default false)
-write_to_source <boolean> ED......... Send packets to the source address of the latest received packet (default false)
-pkt_size <int> ED......... Maximum packet size (from -1 to INT_MAX) (default -1)
-dscp <int> ED......... DSCP class (from -1 to INT_MAX) (default -1)
-timeout <int64> ED......... set timeout (in microseconds) of socket I/O operations (from -1 to I64_MAX) (default -1)
-sources <string> ED......... Source list
-block <string> ED......... Block list
-fec <string> E.......... FEC
-localaddr <string> ED......... Local address

srtp AVOptions:
-srtp_out_suite <string> E..........
-srtp_out_params <string> E..........
-srtp_in_suite <string> .D.........
-srtp_in_params <string> .D.........

subfile AVOptions:
-start <int64> .D......... start offset (from 0 to I64_MAX) (default 0)
-end <int64> .D......... end offset (from 0 to I64_MAX) (default 0)

tee AVOptions:

tcp AVOptions:
-listen <int> ED......... Listen for incoming connections (from 0 to 2) (default 0)
-local_port <string> ED......... Local port
-local_addr <string> ED......... Local address
-timeout <int> ED......... set timeout (in microseconds) of socket I/O operations (from -1 to INT_MAX) (default -1)
-listen_timeout <int> ED......... Connection awaiting timeout (in milliseconds) (from -1 to INT_MAX) (default -1)
-send_buffer_size <int> ED......... Socket send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-recv_buffer_size <int> ED......... Socket receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-tcp_nodelay <boolean> ED......... Use TCP_NODELAY to disable nagle's algorithm (default false)

tls AVOptions:
-ca_file <string> ED......... Certificate Authority database file
-cafile <string> ED......... Certificate Authority database file
-tls_verify <int> ED......... Verify the peer certificate (from 0 to 1) (default 0)
-cert_file <string> ED......... Certificate file
-key_file <string> ED......... Private key file
-listen <int> ED......... Listen for incoming connections (from 0 to 1) (default 0)
-verifyhost <string> ED......... Verify against a specific hostname
-http_proxy <string> ED......... Set proxy to tunnel through

udp AVOptions:
-buffer_size <int> ED......... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-bitrate <int64> E.......... Bits to send per second (from 0 to I64_MAX) (default 0)
-burst_bits <int64> E.......... Max length of bursts in bits (when using bitrate) (from 0 to I64_MAX) (default 0)
-localport <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED......... Local address
-udplite_coverage <int> ED......... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED......... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-reuse_socket <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-broadcast <boolean> E.......... explicitly allow or disallow broadcast destination (default false)
-ttl <int> E.......... Time to live (multicast only) (from 0 to 255) (default 16)
-connect <boolean> ED......... set if connect() should be called on socket (default false)
-fifo_size <int> .D......... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <boolean> .D......... survive in case of UDP receiving circular buffer overrun (default false)
-timeout <int> .D......... set raise error timeout, in microseconds (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED......... Source list
-block <string> ED......... Block list

udplite AVOptions:
-buffer_size <int> ED......... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-bitrate <int64> E.......... Bits to send per second (from 0 to I64_MAX) (default 0)
-burst_bits <int64> E.......... Max length of bursts in bits (when using bitrate) (from 0 to I64_MAX) (default 0)
-localport <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED......... Local address
-udplite_coverage <int> ED......... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED......... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-reuse_socket <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-broadcast <boolean> E.......... explicitly allow or disallow broadcast destination (default false)
-ttl <int> E.......... Time to live (multicast only) (from 0 to 255) (default 16)
-connect <boolean> ED......... set if connect() should be called on socket (default false)
-fifo_size <int> .D......... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <boolean> .D......... survive in case of UDP receiving circular buffer overrun (default false)
-timeout <int> .D......... set raise error timeout, in microseconds (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED......... Source list
-block <string> ED......... Block list

librtmp protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)

librtmpe protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)

librtmps protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)

librtmpt protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)

librtmpte protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)

IPFS Gateway AVOptions:
-gateway <string> .D......... The gateway to ask for IPFS data.

AC4 muxer AVOptions:
-write_crc <boolean> E.......... enable checksum (default false)

ADTS muxer AVOptions:
-write_id3v2 <boolean> E.......... Enable ID3v2 tag writing (default false)
-write_apetag <boolean> E.......... Enable APE tag writing (default false)
-write_mpeg2 <boolean> E.......... Set MPEG version to MPEG-2 (default false)

AIFF muxer AVOptions:
-write_id3v2 <boolean> E.......... Enable ID3 tags writing. (default false)
-id3v2_version <int> E.......... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4)

alp AVOptions:
-type <int> E...A...... set file type (from 0 to 2) (default auto)
auto 0 E...A...... autodetect based on file extension
tun 1 E...A...... force .tun, used for music
pcm 2 E...A...... force .pcm, used for sfx

APNG muxer AVOptions:
-plays <int> E.......... Number of times to play the output: 0 - infinite loop, 1 - no loop (from 0 to 65535) (default 1)
-final_delay <rational> E.......... Force delay after the last frame (from 0 to 65535) (default 0/1)

argo_asf_muxer AVOptions:
-version_major <int> E.......... override file major version (from 0 to 65535) (default 2)
-version_minor <int> E.......... override file minor version (from 0 to 65535) (default 1)
-name <string> E.......... embedded file name (max 8 characters)

argo_cvg_muxer AVOptions:
-skip_rate_check <boolean> E.......... skip sample rate check (default false)
-loop <boolean> E.......... set loop flag (default false)
-reverb <boolean> E.......... set reverb flag (default true)

ASF (stream) muxer AVOptions:
-packet_size <int> E.......... Packet size (from 100 to 65536) (default 3200)

ass muxer AVOptions:
-ignore_readorder <boolean> E.......... write events immediately, even if they're out-of-order (default false)

AST muxer AVOptions:
-loopstart <int64> E.......... Loopstart position in milliseconds. (from -1 to INT_MAX) (default -1)
-loopend <int64> E.......... Loopend position in milliseconds. (from 0 to INT_MAX) (default 0)

ASF (stream) muxer AVOptions:
-packet_size <int> E.......... Packet size (from 100 to 65536) (default 3200)

AVI muxer AVOptions:
-reserve_index_space <int> E.......... reserve space (in bytes) at the beginning of the file for each stream index (from 0 to INT_MAX) (default 0)
-write_channel_mask <boolean> E.......... write channel mask into wave format header (default true)
-flipped_raw_rgb <boolean> E.......... Raw RGB bitmaps are stored bottom-up (default false)

avif muxer AVOptions:
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
-loop <int> E.......... Number of times to loop animated AVIF: 0 - infinite loop (from 0 to INT_MAX) (default 0)

dash muxer AVOptions:
-adaptation_sets <string> E.......... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on
-window_size <int> E.......... number of segments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E.......... number of segments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-seg_duration <duration> E.......... segment duration (in seconds, fractional value can be set) (default 5)
-frag_duration <duration> E.......... fragment duration (in seconds, fractional value can be set) (default 0)
-frag_type <int> E.......... set type of interval for fragments (from 0 to 3) (default none)
none 0 E.......... one fragment per segment
every_frame 1 E.......... fragment at every frame
duration 2 E.......... fragment at specific time intervals
pframes 3 E.......... fragment at keyframes and following P-Frame reordering (Video only, experimental)
-remove_at_exit <boolean> E.......... remove all segments when finished (default false)
-use_template <boolean> E.......... Use SegmentTemplate instead of SegmentList (default true)
-use_timeline <boolean> E.......... Use SegmentTimeline in SegmentTemplate (default true)
-single_file <boolean> E.......... Store all segments in one file, accessed using byte ranges (default false)
-single_file_name <string> E.......... DASH-templated name to be used for baseURL. Implies storing all segments in one file, accessed using byte ranges
-init_seg_name <string> E.......... DASH-templated name to used for the initialization segment (default "init-stream$RepresentationID$.$ext$")
-media_seg_name <string> E.......... DASH-templated name to used for the media segments (default "chunk-stream$RepresentationID$-$Number%05d$.$ext$")
-utc_timing_url <string> E.......... URL of the page that will return the UTC timestamp in ISO format
-method <string> E.......... set the HTTP method
-http_user_agent <string> E.......... override User-Agent field in HTTP header
-http_persistent <boolean> E.......... Use persistent HTTP connections (default false)
-hls_playlist <boolean> E.......... Generate HLS playlist files(master.m3u8, media_%d.m3u8) (default false)
-hls_master_name <string> E.......... HLS master playlist name (default "master.m3u8")
-streaming <boolean> E.......... Enable/Disable streaming mode of output. Each frame will be moof fragment (default false)
-timeout <duration> E.......... set timeout for socket I/O operations (default -0.000001)
-index_correction <boolean> E.......... Enable/Disable segment index correction logic (default false)
-format_options <dictionary> E.......... set list of options for the container format (mp4/webm) used for dash
-global_sidx <boolean> E.......... Write global SIDX atom. Applicable only for single file, mp4 output, non-streaming mode (default false)
-dash_segment_type <int> E.......... set dash segment files type (from 0 to 2) (default auto)
auto 0 E.......... select segment file format based on codec
mp4 1 E.......... make segment file in ISOBMFF format
webm 2 E.......... make segment file in WebM format
-ignore_io_errors <boolean> E.......... Ignore IO errors during open and write. Useful for long-duration runs with network output (default false)
-lhls <boolean> E.......... Enable Low-latency HLS(Experimental). Adds #EXT-X-PREFETCH tag with current segment's URI (default false)
-ldash <boolean> E.......... Enable Low-latency dash. Constrains the value of a few elements (default false)
-master_m3u8_publish_rate <int> E.......... Publish master playlist every after this many segment intervals (from 0 to UINT32_MAX) (default 0)
-write_prft <boolean> E.......... Write producer reference time element (default auto)
-mpd_profile <flags> E.......... Set profiles. Elements and values used in the manifest may be constrained by them (default dash)
dash E.......... MPEG-DASH ISO Base media file format live profile
dvb_dash E.......... DVB-DASH profile
-http_opts <dictionary> E.......... HTTP protocol options
-target_latency <duration> E.......... Set desired target latency for Low-latency dash (default 0)
-min_playback_rate <rational> E.......... Set desired minimum playback rate (from 0.5 to 1.5) (default 1/1)
-max_playback_rate <rational> E.......... Set desired maximum playback rate (from 0.5 to 1.5) (default 1/1)
-update_period <int64> E.......... Set the mpd update interval (from 0 to I64_MAX) (default 0)

mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)

Fifo muxer AVOptions:
-fifo_format <string> E.......... Target muxer
-queue_size <int> E.......... Size of fifo queue (from 1 to INT_MAX) (default 60)
-format_opts <dictionary> E.......... Options to be passed to underlying muxer
-drop_pkts_on_overflow <boolean> E.......... Drop packets on fifo queue overflow not to block encoder (default false)
-restart_with_keyframe <boolean> E.......... Wait for keyframe when restarting output (default false)
-attempt_recovery <boolean> E.......... Attempt recovery in case of failure (default false)
-max_recovery_attempts <int> E.......... Maximal number of recovery attempts (from 0 to INT_MAX) (default 0)
-recovery_wait_time <duration> E.......... Waiting time between recovery attempts (default 5)
-recovery_wait_streamtime <boolean> E.......... Use stream time instead of real time while waiting for recovery (default false)
-recover_any_error <boolean> E.......... Attempt recovery regardless of type of the error (default false)
-timeshift <duration> E.......... Delay fifo output (default 0)

Fifo test muxer AVOptions:
-write_header_ret <int> E.......... write_header() return value (from INT_MIN to INT_MAX) (default 0)
-write_trailer_ret <int> E.......... write_trailer() return value (from INT_MIN to INT_MAX) (default 0)
-print_deinit_summary <boolean> E.......... print summary when deinitializing muxer (default true)

flac muxer AVOptions:
-write_header <boolean> E.......... Write the file header (default true)

flv muxer AVOptions:
-flvflags <flags> E.......... FLV muxer flags (default 0)
aac_seq_header_detect E.......... Put AAC sequence header based on stream data
no_sequence_end E.......... disable sequence end for FLV
no_metadata E.......... disable metadata for FLV
no_duration_filesize E.......... disable duration and filesize zero value metadata for FLV
add_keyframe_index E.......... Add keyframe index metadata

frame hash muxer AVOptions:
-hash <string> E.......... set hash to use (default "sha256")
-format_version <int> E.......... file format version (from 1 to 2) (default 2)

frame MD5 muxer AVOptions:
-hash <string> E.......... set hash to use (default "md5")
-format_version <int> E.......... file format version (from 1 to 2) (default 2)

GIF muxer AVOptions:
-loop <int> E.......... Number of times to loop the output: -1 - no loop, 0 - infinite loop (from -1 to 65535) (default 0)
-final_delay <int> E.......... Force delay (in centiseconds) after the last frame (from -1 to 65535) (default -1)

(stream) hash muxer AVOptions:
-hash <string> E.......... set hash to use (default "sha256")

HDS muxer AVOptions:
-window_size <int> E.......... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E.......... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-min_frag_duration <int64> E.......... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 10000000)
-remove_at_exit <boolean> E.......... remove all fragments when finished (default false)

hls muxer AVOptions:
-start_number <int64> E.......... set first number in the sequence (from 0 to I64_MAX) (default 0)
-hls_time <duration> E.......... set segment length (default 2)
-hls_init_time <duration> E.......... set segment length at init list (default 0)
-hls_list_size <int> E.......... set maximum number of playlist entries (from 0 to INT_MAX) (default 5)
-hls_delete_threshold <int> E.......... set number of unreferenced segments to keep before deleting (from 1 to INT_MAX) (default 1)
-hls_vtt_options <string> E.......... set hls vtt list of options for the container format used for hls
-hls_allow_cache <int> E.......... explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments (from INT_MIN to INT_MAX) (default -1)
-hls_base_url <string> E.......... url to prepend to each playlist entry
-hls_segment_filename <string> E.......... filename template for segment files
-hls_segment_options <dictionary> E.......... set segments files format options of hls
-hls_segment_size <int> E.......... maximum size per segment file, (in bytes) (from 0 to INT_MAX) (default 0)
-hls_key_info_file <string> E.......... file with key URI and key file path
-hls_enc <boolean> E.......... enable AES128 encryption support (default false)
-hls_enc_key <string> E.......... hex-coded 16 byte key to encrypt the segments
-hls_enc_key_url <string> E.......... url to access the key to decrypt the segments
-hls_enc_iv <string> E.......... hex-coded 16 byte initialization vector
-hls_subtitle_path <string> E.......... set path of hls subtitles
-hls_segment_type <int> E.......... set hls segment files type (from 0 to 1) (default mpegts)
mpegts 0 E.......... make segment file to mpegts files in m3u8
fmp4 1 E.......... make segment file to fragment mp4 files in m3u8
-hls_fmp4_init_filename <string> E.......... set fragment mp4 file init filename (default "init.mp4")
-hls_fmp4_init_resend <boolean> E.......... resend fragment mp4 init file after refresh m3u8 every time (default false)
-hls_flags <flags> E.......... set flags affecting HLS playlist and media file generation (default 0)
single_file E.......... generate a single media file indexed with byte ranges
temp_file E.......... write segment and playlist to temporary file and rename when complete
delete_segments E.......... delete segment files that are no longer part of the playlist
round_durations E.......... round durations in m3u8 to whole numbers
discont_start E.......... start the playlist with a discontinuity tag
omit_endlist E.......... Do not append an endlist when ending stream
split_by_time E.......... split the hls segment by time which user set by hls_time
append_list E.......... append the new segments into old hls segment list
program_date_time E.......... add EXT-X-PROGRAM-DATE-TIME
second_level_segment_index E.......... include segment index in segment filenames when use_localtime
second_level_segment_duration E.......... include segment duration in segment filenames when use_localtime
second_level_segment_size E.......... include segment size in segment filenames when use_localtime
periodic_rekey E.......... reload keyinfo file periodically for re-keying
independent_segments E.......... add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable
iframes_only E.......... add EXT-X-I-FRAMES-ONLY, whenever applicable
-strftime <boolean> E.......... set filename expansion with strftime at segment creation (default false)
-strftime_mkdir <boolean> E.......... create last directory component in strftime-generated filename (default false)
-hls_playlist_type <int> E.......... set the HLS playlist type (from 0 to 2) (default 0)
event 1 E.......... EVENT playlist
vod 2 E.......... VOD playlist
-method <string> E.......... set the HTTP method(default: PUT)
-hls_start_number_source <int> E.......... set source of first number in sequence (from 0 to 3) (default generic)
generic 0 E.......... start_number value (default)
epoch 1 E.......... seconds since epoch
epoch_us 3 E.......... microseconds since epoch
datetime 2 E.......... current datetime as YYYYMMDDhhmmss
-http_user_agent <string> E.......... override User-Agent field in HTTP header
-var_stream_map <string> E.......... Variant stream map string
-cc_stream_map <string> E.......... Closed captions stream map string
-master_pl_name <string> E.......... Create HLS master playlist with this name
-master_pl_publish_rate <int> E.......... Publish master play list every after this many segment intervals (from 0 to UINT32_MAX) (default 0)
-http_persistent <boolean> E.......... Use persistent HTTP connections (default false)
-timeout <duration> E.......... set timeout for socket I/O operations (default -0.000001)
-ignore_io_errors <boolean> E.......... Ignore IO errors for stable long-duration runs with network output (default false)
-headers <string> E.......... set custom HTTP headers, can override built in default headers

image2 muxer AVOptions:
-update <boolean> E.......... continuously overwrite one file (default false)
-start_number <int> E.......... set first number in the sequence (from 0 to INT_MAX) (default 1)
-strftime <boolean> E.......... use strftime for filename (default false)
-frame_pts <boolean> E.......... use current frame pts for filename (default false)
-atomic_writing <boolean> E.......... write files atomically (using temporary files and renames) (default false)
-protocol_opts <dictionary> E.......... specify protocol options for the opened files

LATM/LOAS muxer AVOptions:
-smc-interval <int> E.......... StreamMuxConfig interval. (from 1 to 65535) (default 20)

MD5 muxer AVOptions:
-hash <string> E.......... set hash to use (default "md5")

matroska/webm muxer AVOptions:
-reserve_index_space <int> E.......... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
-cues_to_front <boolean> E.......... Move Cues (the index) to the front by shifting data if necessary (default false)
-cluster_size_limit <int> E.......... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E.......... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <boolean> E.......... Create a WebM file conforming to WebM DASH specification (default false)
-dash_track_number <int> E.......... Track number for the DASH stream (from 1 to INT_MAX) (default 1)
-live <boolean> E.......... Write files assuming it is a live stream. (default false)
-allow_raw_vfw <boolean> E.......... allow RAW VFW mode (default false)
-flipped_raw_rgb <boolean> E.......... Raw RGB bitmaps in VFW mode are stored bottom-up (default false)
-write_crc32 <boolean> E.......... write a CRC32 element inside every Level 1 element (default true)
-default_mode <int> E.......... Controls how a track's FlagDefault is inferred (from 0 to 2) (default passthrough)
infer 0 E.......... For each track type, mark each track of disposition default as default; if none exists, mark the first track as default.
infer_no_subs 1 E.......... For each track type, mark each track of disposition default as default; for audio and video: if none exists, mark the first track as default.
passthrough 2 E.......... Use the disposition flag as-is

MP3 muxer AVOptions:
-id3v2_version <int> E.......... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 0 to 4) (default 4)
-write_id3v1 <boolean> E.......... Enable ID3v1 writing. ID3v1 tags are written in UTF-8 which may not be supported by most software. (default false)
-write_xing <boolean> E.......... Write the Xing header containing file duration. (default true)

mpeg/(s)vcd/vob/dvd muxer AVOptions:
-muxrate <int> E.......... (from 0 to 1.67772e+009) (default 0)
-preload <int> E.......... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)

MPEGTS muxer AVOptions:
-mpegts_transport_stream_id <int> E.......... Set transport_stream_id field. (from 1 to 65535) (default 1)
-mpegts_original_network_id <int> E.......... Set original_network_id field. (from 1 to 65535) (default 65281)
-mpegts_service_id <int> E.......... Set service_id field. (from 1 to 65535) (default 1)
-mpegts_service_type <int> E.......... Set service_type field. (from 1 to 255) (default digital_tv)
digital_tv 1 E.......... Digital Television.
digital_radio 2 E.......... Digital Radio.
teletext 3 E.......... Teletext.
advanced_codec_digital_radio 10 E.......... Advanced Codec Digital Radio.
mpeg2_digital_hdtv 17 E.......... MPEG2 Digital HDTV.
advanced_codec_digital_sdtv 22 E.......... Advanced Codec Digital SDTV.
advanced_codec_digital_hdtv 25 E.......... Advanced Codec Digital HDTV.
hevc_digital_hdtv 31 E.......... HEVC Digital Television Service.
-mpegts_pmt_start_pid <int> E.......... Set the first pid of the PMT. (from 32 to 8186) (default 4096)
-mpegts_start_pid <int> E.......... Set the first pid. (from 32 to 8186) (default 256)
-mpegts_m2ts_mode <boolean> E.......... Enable m2ts mode. (default auto)
-muxrate <int> E.......... (from 0 to INT_MAX) (default 1)
-pes_payload_size <int> E.......... Minimum PES packet payload in bytes (from 0 to INT_MAX) (default 2930)
-mpegts_flags <flags> E.......... MPEG-TS muxing flags (default 0)
resend_headers E.......... Reemit PAT/PMT before writing the next packet
latm E.......... Use LATM packetization for AAC
pat_pmt_at_frames E.......... Reemit PAT and PMT at each video frame
system_b E.......... Conform to System B (DVB) instead of System A (ATSC)
initial_discontinuity E.......... Mark initial packets as discontinuous
nit E.......... Enable NIT transmission
omit_rai E.......... Disable writing of random access indicator
-mpegts_copyts <boolean> E.......... don't offset dts/pts (default auto)
-tables_version <int> E.......... set PAT, PMT, SDT and NIT version (from 0 to 31) (default 0)
-omit_video_pes_length <boolean> E.......... Omit the PES packet length for video packets (default true)
-pcr_period <int> E.......... PCR retransmission time in milliseconds (from -1 to INT_MAX) (default -1)
-pat_period <duration> E.......... PAT/PMT retransmission time limit in seconds (default 0.1)
-sdt_period <duration> E.......... SDT retransmission time limit in seconds (default 0.5)
-nit_period <duration> E.......... NIT retransmission time limit in seconds (default 0.5)

mpjpeg_muxer AVOptions:
-boundary_tag <string> E.......... Boundary tag (default "ffmpeg")

MXF muxer AVOptions:
-signal_standard <int> E.......... Force/set Signal Standard (from -1 to 7) (default -1)
bt601 1 E.......... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
bt1358 2 E.......... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
smpte347m 3 E.......... SMPTE 347M (540 Mbps mappings)
smpte274m 4 E.......... SMPTE 274M (1125 line)
smpte296m 5 E.......... SMPTE 296M (750 line progressive)
smpte349m 6 E.......... SMPTE 349M (1485 Mbps mappings)
smpte428 7 E.......... SMPTE 428-1 DCDM
-store_user_comments <boolean> E.......... (default true)

MXF-D10 muxer AVOptions:
-d10_channelcount <int> E.......... Force/set channelcount in generic sound essence descriptor (from -1 to 8) (default -1)
-signal_standard <int> E.......... Force/set Signal Standard (from -1 to 7) (default -1)
bt601 1 E.......... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
bt1358 2 E.......... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
smpte347m 3 E.......... SMPTE 347M (540 Mbps mappings)
smpte274m 4 E.......... SMPTE 274M (1125 line)
smpte296m 5 E.......... SMPTE 296M (750 line progressive)
smpte349m 6 E.......... SMPTE 349M (1485 Mbps mappings)
smpte428 7 E.......... SMPTE 428-1 DCDM
-store_user_comments <boolean> E.......... (default false)

MXF-OPAtom muxer AVOptions:
-mxf_audio_edit_rate <rational> E.......... Audio edit rate for timecode (from 0 to INT_MAX) (default 25/1)
-signal_standard <int> E.......... Force/set Signal Standard (from -1 to 7) (default -1)
bt601 1 E.......... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
bt1358 2 E.......... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
smpte347m 3 E.......... SMPTE 347M (540 Mbps mappings)
smpte274m 4 E.......... SMPTE 274M (1125 line)
smpte296m 5 E.......... SMPTE 296M (750 line progressive)
smpte349m 6 E.......... SMPTE 349M (1485 Mbps mappings)
smpte428 7 E.......... SMPTE 428-1 DCDM
-store_user_comments <boolean> E.......... (default true)

nutenc AVOptions:
-syncpoints <flags> E.......... NUT syncpoint behaviour (default 0)
default E..........
none E.......... Disable syncpoints, low overhead and unseekable
timestamped E.......... Extend syncpoints with a wallclock timestamp
-write_index <boolean> E.......... Write index (default true)

Ogg (audio/video/Speex/Opus) muxer AVOptions:
-serial_offset <int> E.......... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E.......... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E.......... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E.......... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1000000)

RTP muxer AVOptions:
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-payload_type <int> E.......... Specify RTP payload type (from -1 to 127) (default -1)
-ssrc <int> E.......... Stream identifier (from INT_MIN to INT_MAX) (default 0)
-cname <string> E.......... CNAME to include in RTCP SR packets
-seq <int> E.......... Starting sequence number (from -1 to 65535) (default -1)

rtp_mpegts muxer AVOptions:
-mpegts_muxer_options <dictionary> E.......... set list of options for the MPEG-TS muxer
-rtp_muxer_options <dictionary> E.......... set list of options for the RTP muxer

RTSP muxer AVOptions:
-initial_pause <boolean> .D......... do not start playing the stream immediately (default false)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED......... set RTSP transport protocols (default 0)
udp ED......... UDP
tcp ED......... TCP
udp_multicast .D......... UDP multicast
http .D......... HTTP tunneling
https .D......... HTTPS tunneling
-rtsp_flags <flags> .D......... set RTSP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
listen .D......... wait for incoming connections
prefer_tcp ED......... try RTP via TCP first, if available
satip_raw .D......... export raw MPEG-TS stream instead of demuxing
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-min_port <int> ED......... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED......... set maximum local UDP port (from 0 to 65535) (default 65000)
-listen_timeout <int> .D......... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-timeout <int64> .D......... set timeout (in microseconds) of socket I/O operations (from INT_MIN to I64_MAX) (default 0)
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)
-user_agent <string> .D......... override User-Agent header (default "ShanaEncoder")

(stream) segment muxer AVOptions:
-reference_stream <string> E.......... set reference stream (default "auto")
-segment_format <string> E.......... set container format used for the segments
-segment_format_options <dictionary> E.......... set list of options for the container format used for the segments
-segment_list <string> E.......... set the segment list filename
-segment_header_filename <string> E.......... write a single file containing the header
-segment_list_flags <flags> E.......... set flags affecting segment list generation (default cache)
cache E.......... allow list caching
live E.......... enable live-friendly list generation (useful for HLS)
-segment_list_size <int> E.......... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0)
-segment_list_type <int> E.......... set the segment list type (from -1 to 4) (default -1)
flat 0 E.......... flat format
csv 1 E.......... csv format
ext 3 E.......... extended format
ffconcat 4 E.......... ffconcat format
m3u8 2 E.......... M3U8 format
hls 2 E.......... Apple HTTP Live Streaming compatible
-segment_atclocktime <boolean> E.......... set segment to be cut at clocktime (default false)
-segment_clocktime_offset <duration> E.......... set segment clocktime offset (default 0)
-segment_clocktime_wrap_duration <duration> E.......... set segment clocktime wrapping duration (default INT64_MAX)
-segment_time <duration> E.......... set segment duration (default 2)
-segment_time_delta <duration> E.......... set approximation value used for the segment times (default 0)
-min_seg_duration <duration> E.......... set minimum segment duration (default 0)
-segment_times <string> E.......... set segment split time points
-segment_frames <string> E.......... set segment split frame numbers
-segment_wrap <int> E.......... set number after which the index wraps (from 0 to INT_MAX) (default 0)
-segment_list_entry_prefix <string> E.......... set base url prefix for segments
-segment_start_number <int> E.......... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
-segment_wrap_number <int> E.......... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
-strftime <boolean> E.......... set filename expansion with strftime at segment creation (default false)
-increment_tc <boolean> E.......... increment timecode between each segment (default false)
-break_non_keyframes <boolean> E.......... allow breaking segments on non-keyframes (default false)
-individual_header_trailer <boolean> E.......... write header/trailer to each segment (default true)
-write_header_trailer <boolean> E.......... write a header to the first segment and a trailer to the last one (default true)
-reset_timestamps <boolean> E.......... reset timestamps at the beginning of each segment (default false)
-initial_offset <duration> E.......... set initial timestamp offset (default 0)
-write_empty_segments <boolean> E.......... allow writing empty 'filler' segments (default false)

smooth streaming muxer AVOptions:
-window_size <int> E.......... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E.......... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-lookahead_count <int> E.......... number of lookahead fragments (from 0 to INT_MAX) (default 2)
-min_frag_duration <int64> E.......... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 5000000)
-remove_at_exit <boolean> E.......... remove all fragments when finished (default false)

spdif AVOptions:
-spdif_flags <flags> E.......... IEC 61937 encapsulation flags (default 0)
be E.......... output in big-endian format (for use as s16be)
-dtshd_rate <int> E.......... mux complete DTS frames in HD mode at the specified IEC958 rate (in Hz, default 0=disabled) (from 0 to 768000) (default 0)
-dtshd_fallback_time <int> E.......... min secs to strip HD for after an overflow (-1: till the end, default 60) (from -1 to INT_MAX) (default 60)

(stream) hash muxer AVOptions:
-hash <string> E.......... set hash to use (default "sha256")

Tee muxer AVOptions:
-use_fifo <boolean> E.......... Use fifo pseudo-muxer to separate actual muxers from encoder (default false)
-fifo_options <dictionary> E.......... fifo pseudo-muxer options

WAV muxer AVOptions:
-write_bext <boolean> E.......... Write BEXT chunk. (default false)
-write_peak <int> E.......... Write Peak Envelope chunk. (from 0 to 2) (default off)
off 0 E.......... Do not write peak chunk.
on 1 E.......... Append peak chunk after wav data.
only 2 E.......... Write only peak chunk, omit wav data.
-rf64 <int> E.......... Use RF64 header rather than RIFF for large files. (from -1 to 1) (default never)
auto -1 E.......... Write RF64 header if file grows large enough.
always 1 E.......... Always write RF64 header regardless of file size.
never 0 E.......... Never write RF64 header regardless of file size.
-peak_block_size <int> E.......... Number of audio samples used to generate each peak frame. (from 0 to 65536) (default 256)
-peak_format <int> E.......... The format of the peak envelope data (1: uint8, 2: uint16). (from 1 to 2) (default 2)
-peak_ppv <int> E.......... Number of peak points per peak value (1 or 2). (from 1 to 2) (default 2)

WebM DASH Manifest muxer AVOptions:
-adaptation_sets <string> E.......... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on
-live <boolean> E.......... create a live stream manifest (default false)
-chunk_start_index <int> E.......... start index of the chunk (from 0 to INT_MAX) (default 0)
-chunk_duration_ms <int> E.......... duration of each chunk (in milliseconds) (from 0 to INT_MAX) (default 1000)
-utc_timing_url <string> E.......... URL of the page that will return the UTC timestamp in ISO format
-time_shift_buffer_depth <double> E.......... Smallest time (in seconds) shifting buffer for which any Representation is guaranteed to be available. (from 1 to DBL_MAX) (default 60)
-minimum_update_period <int> E.......... Minimum Update Period (in seconds) of the manifest. (from 0 to INT_MAX) (default 0)

WebM Chunk Muxer AVOptions:
-chunk_start_index <int> E.......... start index of the chunk (from 0 to INT_MAX) (default 0)
-header <string> E.......... filename of the header where the initialization data will be written
-audio_chunk_duration <int> E.......... duration of each chunk in milliseconds (from 0 to INT_MAX) (default 5000)
-method <string> E.......... set the HTTP method

WebP muxer AVOptions:
-loop <int> E.......... Number of times to loop the output: 0 - infinite loop (from 0 to 65535) (default 1)

caca outdev AVOptions:
-window_size <image_size> E.......... set window forced size
-window_title <string> E.......... set window title
-driver <string> E.......... set display driver
-algorithm <string> E.......... set dithering algorithm (default "default")
-antialias <string> E.......... set antialias method (default "default")
-charset <string> E.......... set charset used to render output (default "default")
-color <string> E.......... set color used to render output (default "default")
-list_drivers <boolean> E.......... list available drivers (default false)
-list_dither <string> E.......... list available dither options
algorithms E..........
antialiases E..........
charsets E..........
colors E..........

opengl outdev AVOptions:
-background <color> E.......... set background color (default "black")
-no_window <int> E.......... disable default window (from INT_MIN to INT_MAX) (default 0)
-window_title <string> E.......... set window title
-window_size <image_size> E.......... set window size

sdl2 outdev AVOptions:
-window_title <string> E.......... set SDL window title
-window_size <image_size> E.......... set SDL window forced size
-window_x <int> E.......... set SDL window x position (from INT_MIN to INT_MAX) (default 805240832)
-window_y <int> E.......... set SDL window y position (from INT_MIN to INT_MAX) (default 805240832)
-window_fullscreen <boolean> E.......... set SDL window fullscreen (default false)
-window_borderless <boolean> E.......... set SDL window border off (default false)
-window_enable_quit <int> E.......... set if quit action is available (from 0 to 1) (default 1)

aa AVOptions:
-aa_fixed_key <binary> .D......... Fixed key used for handling Audible AA files

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

Artworx Data Format demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

APNG demuxer AVOptions:
-ignore_loop <boolean> .D......... ignore loop setting (default true)
-max_fps <int> .D......... maximum framerate (0 is no limit) (from 0 to INT_MAX) (default 0)
-default_fps <int> .D......... default framerate (0 is as fast as possible) (from 0 to INT_MAX) (default 15)

aptx (hd) demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)

aqtdec AVOptions:
-subfps <rational> .D...S..... set the movie frame rate (from 0 to INT_MAX) (default 25/1)

asf demuxer AVOptions:
-no_resync_search <boolean> .D......... Don't try to resynchronize by looking for a certain optional start code (default false)
-export_xmp <boolean> .D......... Export full XMP metadata (default false)

AV1 Annex B/low overhead OBU demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")

avi AVOptions:
-use_odml <boolean> .D......... use odml index (default true)

AviSynth demuxer AVOptions:
-avisynth_flags <flags> .D......... set flags related to reading frame properties from script (AviSynth+ v3.7.1 or higher) (default field_order+range+primaries+transfer+matrix+chroma_location)
field_order .D......... read field order
range .D......... read color range
primaries .D......... read color primaries
transfer .D......... read color transfer characteristics
matrix .D......... read matrix coefficients
chroma_location .D......... read chroma location
sar .D......... read sample aspect ratio

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

Binary text demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")

bitpacked demuxer AVOptions:
-pixel_format <string> .D......... set pixel format (default "yuv420p")
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

CDXL demuxer AVOptions:
-sample_rate <int> .D......... (from 8000 to INT_MAX) (default 11025)
-frame_rate <video_rate> .D......... (default "15")

codec2 demuxer AVOptions:
-frames_per_packet <int> .D......... Number of frames to read at a time. Higher = faster decoding, lower granularity (from 1 to INT_MAX) (default 1)

codec2raw demuxer AVOptions:
-mode <int> .D......... codec2 mode [mandatory] (from -1 to 8) (default -1)
3200 0 .D......... 3200
2400 1 .D......... 2400
1600 2 .D......... 1600
1400 3 .D......... 1400
1300 4 .D......... 1300
1200 5 .D......... 1200
700 6 .D......... 700
700B 7 .D......... 700B
700C 8 .D......... 700C
-frames_per_packet <int> .D......... Number of frames to read at a time. Higher = faster decoding, lower granularity (from 1 to INT_MAX) (default 1)

concat demuxer AVOptions:
-safe <boolean> .D......... enable safe mode (default true)
-auto_convert <boolean> .D......... automatically convert bitstream format (default true)
-segment_time_metadata <boolean> .D......... output file segment start time and duration as packet metadata (default false)

dash AVOptions:
-allowed_extensions <string> .D......... List of file extensions that dash is allowed to access (default "aac,m4a,m4s,m4v,mov,mp4,webm,ts")
-cenc_decryption_key <string> .D......... Media decryption key (hex)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

dfpwm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

ea demuxer AVOptions:
-merge_alpha <boolean> .D.V....... return VP6 alpha in the main video stream (default false)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

EVC Annex B demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")

FITS demuxer AVOptions:
-framerate <video_rate> .D......... set the framerate (default "1")

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
-missing_streams <int> .D.V..XR... (from 0 to 255) (default 0)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

G.726 demuxer AVOptions:
-code_size <int> .D......... Bits per G.726 code (from 2 to 5) (default 4)
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)

g729 demuxer AVOptions:
-bit_rate <int> .D......... (from 0 to INT_MAX) (default 8000)

GIF demuxer AVOptions:
-min_delay <int> .D......... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2)
-max_gif_delay <int> .D......... maximum valid delay between frames (in hundredths of seconds) (from 0 to 65535) (default 65535)
-default_delay <int> .D......... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10)
-ignore_loop <boolean> .D......... ignore loop setting (netscape extension) (default true)

gsm demuxer AVOptions:
-sample_rate <int> .D......... (from 1 to 6.50753e+007) (default 8000)

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

hls demuxer AVOptions:
-live_start_index <int> .D......... segment index to start live streams at (negative values are from the end) (from INT_MIN to INT_MAX) (default -3)
-prefer_x_start <boolean> .D......... prefer to use #EXT-X-START if it's in playlist instead of live_start_index (default false)
-allowed_extensions <string> .D......... List of file extensions that hls is allowed to access (default "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav")
-max_reload <int> .D......... Maximum number of times a insufficient list is attempted to be reloaded (from 0 to INT_MAX) (default 1000)
-m3u8_hold_counters <int> .D......... The maximum number of times to load m3u8 when it refreshes without new segments (from 0 to INT_MAX) (default 1000)
-http_persistent <boolean> .D......... Use persistent HTTP connections (default true)
-http_multiple <boolean> .D......... Use multiple HTTP connections for fetching segments (default auto)
-http_seekable <boolean> .D......... Use HTTP partial requests, 0 = disable, 1 = enable, -1 = auto (default auto)
-seg_format_options <dictionary> .D......... Set options for segment demuxer
-seg_max_retry <int> .D......... Maximum number of times to reload a segment on error. (from 0 to INT_MAX) (default 0)

iCE Draw File demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")

image2 demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)

imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)

alias_pix demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)

brender_pix demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)

imf AVOptions:
-assetmaps <string> .D......... Comma-separated paths to ASSETMAP files.If not specified, the `ASSETMAP.xml` file in the same directory as the CPL is used.

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

microdvddec AVOptions:
-subfps <rational> .D...S..... set the movie frame rate fallback (from 0 to INT_MAX) (default 0/1)

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

mov,mp4,m4a,3gp,3g2,mj2 AVOptions:
-use_absolute_path <boolean> .D.V....... allow using absolute path when opening alias, this is a possible security issue (default false)
-seek_streams_individually <boolean> .D.V....... Seek each stream individually to the closest point (default true)
-ignore_editlist <boolean> .D.V....... Ignore the edit list atom. (default false)
-advanced_editlist <boolean> .D.V....... Modify the AVIndex according to the editlists. Use this option to decode in the order specified by the edits. (default true)
-ignore_chapters <boolean> .D.V....... (default false)
-use_mfra_for <int> .D.V....... use mfra for fragment timestamps (from -1 to 2) (default auto)
auto -1 .D.V....... auto
dts 1 .D.V....... dts
pts 2 .D.V....... pts
-use_tfdt <boolean> .D.V....... use tfdt for fragment timestamps (default true)
-export_all <boolean> .D.V....... Export unrecognized metadata entries (default false)
-export_xmp <boolean> .D.V....... Export full XMP metadata (default false)
-activation_bytes <binary> .D......... Secret bytes for Audible AAX files
-audible_key <binary> .D......... AES-128 Key for Audible AAXC files
-audible_iv <binary> .D......... AES-128 IV for Audible AAXC files
-audible_fixed_key <binary> .D......... Fixed key used for handling Audible AAX files
-decryption_key <binary> .D......... The media decryption key (hex)
-enable_drefs <boolean> .D.V....... Enable external track support. (default false)
-max_stts_delta <int> .D......... treat offsets above this value as invalid (from 0 to UINT32_MAX) (default 4294487295)

mp3 AVOptions:
-usetoc <boolean> .D......... use table of contents (default false)

mpegts demuxer AVOptions:
-resync_size <int> .D......... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
-fix_teletext_pts <boolean> .D......... try to fix pts values of dvb teletext streams (default true)
-ts_packetsize <int> .D....XR... output option carrying the raw packet size (from 0 to 0) (default 0)
-scan_all_pmts <boolean> .D......... scan and combine all PMTs (default auto)
-skip_unknown_pmt <boolean> .D......... skip PMTs for programs not advertised in the PAT (default false)
-merge_pmt_versions <boolean> .D......... re-use streams when PMT's version/pids change (default false)
-max_packet_size <int> .D......... maximum size of emitted packet (from 1 to 1.07374e+009) (default 204800)

mpegtsraw demuxer AVOptions:
-resync_size <int> .D......... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
-compute_pcr <boolean> .D......... compute exact PCR for each transport stream packet (default false)
-ts_packetsize <int> .D....XR... output option carrying the raw packet size (from 0 to 0) (default 0)

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

MPJPEG demuxer AVOptions:
-strict_mime_boundary <boolean> .D......... require MIME boundaries match (default false)

mxf AVOptions:
-eia608_extract <boolean> .D......... extract eia 608 captions from s436m track (default false)

AV1 Annex B/low overhead OBU demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")

pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........

rawvideo demuxer AVOptions:
-pixel_format <string> .D......... set pixel format (default "yuv420p")
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")

RTP demuxer AVOptions:
-rtp_flags <flags> .D......... set RTP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
-listen_timeout <duration> .D......... set maximum timeout (in seconds) to wait for incoming connections (default 10)
-localaddr <string> .D......... local address
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)

RTSP demuxer AVOptions:
-initial_pause <boolean> .D......... do not start playing the stream immediately (default false)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED......... set RTSP transport protocols (default 0)
udp ED......... UDP
tcp ED......... TCP
udp_multicast .D......... UDP multicast
http .D......... HTTP tunneling
https .D......... HTTPS tunneling
-rtsp_flags <flags> .D......... set RTSP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
listen .D......... wait for incoming connections
prefer_tcp ED......... try RTP via TCP first, if available
satip_raw .D......... export raw MPEG-TS stream instead of demuxing
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-min_port <int> ED......... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED......... set maximum local UDP port (from 0 to 65535) (default 65000)
-listen_timeout <int> .D......... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-timeout <int64> .D......... set timeout (in microseconds) of socket I/O operations (from INT_MIN to I64_MAX) (default 0)
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)
-user_agent <string> .D......... override User-Agent header (default "ShanaEncoder")

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

sbg_demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 0)
-frame_size <int> .D......... (from 0 to INT_MAX) (default 0)
-max_file_size <int> .D......... (from 0 to INT_MAX) (default 5000000)

SDP demuxer AVOptions:
-sdp_flags <flags> .D......... SDP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
custom_io .D......... use custom I/O
rtcp_to_source .D......... send RTCP packets to the source address of received packets
-listen_timeout <duration> .D......... set maximum timeout (in seconds) to wait for incoming connections (default 10)
-localaddr <string> .D......... local address
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)

ser demuxer AVOptions:
-framerate <video_rate> .D......... set frame rate (default "25")

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

sln demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

tedcaptions_demuxer AVOptions:
-start_time <int64> .D...S..... set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX) (default 15000)

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

TTY demuxer AVOptions:
-chars_per_frame <int> .D......... (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... A string describing frame size, such as 640x480 or hd720.
-framerate <video_rate> .D......... (default "25")

v210(x) demuxer AVOptions:
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

vobsub AVOptions:
-sub_name <string> .D......... URI for .sub file

generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

W64 demuxer AVOptions:
-max_size <int> .D......... max size of single packet (from 1024 to 4.1943e+006) (default 4096)

WAV demuxer AVOptions:
-ignore_length <boolean> .D......... Ignore length (default false)
-max_size <int> .D......... max size of single packet (from 1024 to 4.1943e+006) (default 4096)

WebM DASH Manifest demuxer AVOptions:
-live <boolean> .D......... flag indicating that the input is a live file that only has the headers. (default false)
-bandwidth <int> .D......... bandwidth of this stream to be specified in the DASH manifest. (from 0 to INT_MAX) (default 0)

WebVTT demuxer AVOptions:
-kind <int> .D...S..... Set kind of WebVTT track (from 0 to INT_MAX) (default subtitles)
subtitles 0 .D...S..... WebVTT subtitles kind
captions 65536 .D...S..... WebVTT captions kind
descriptions 131072 .D...S..... WebVTT descriptions kind
metadata 262144 .D...S..... WebVTT metadata kind

generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)

eXtended BINary text (XBIN) demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")

ModPlug demuxer AVOptions:
-noise_reduction <int> .D......... Enable noise reduction 0(off)-1(on) (from 0 to 1) (default 0)
-reverb_depth <int> .D......... Reverb level 0(quiet)-100(loud) (from 0 to 100) (default 0)
-reverb_delay <int> .D......... Reverb delay in ms, usually 40-200ms (from 0 to INT_MAX) (default 0)
-bass_amount <int> .D......... XBass level 0(quiet)-100(loud) (from 0 to 100) (default 0)
-bass_range <int> .D......... XBass cutoff in Hz 10-100 (from 0 to 100) (default 0)
-surround_depth <int> .D......... Surround level 0(quiet)-100(heavy) (from 0 to 100) (default 0)
-surround_delay <int> .D......... Surround delay in ms, usually 5-40ms (from 0 to INT_MAX) (default 0)
-max_size <int> .D......... Max file size supported (in bytes). Default is 5MB. Set to 0 for no limit (not recommended) (from 0 to 1.04858e+008) (default 5242880)
-video_stream_expr <string> .D......... Color formula
-video_stream <int> .D......... Make demuxer output a video stream (from 0 to 1) (default 0)
-video_stream_w <int> .D......... Video stream width in char (one char = 8x8px) (from 20 to 512) (default 30)
-video_stream_h <int> .D......... Video stream height in char (one char = 8x8px) (from 20 to 512) (default 30)
-video_stream_ptxt <int> .D......... Print speed, tempo, order, ... in video stream (from 0 to 1) (default 1)

dshow indev AVOptions:
-video_size <image_size> .D......... set video size given a string such as 640x480 or hd720.
-pixel_format <pix_fmt> .D......... set video pixel format (default none)
-framerate <string> .D......... set video frame rate
-sample_rate <int> .D......... set audio sample rate (from 0 to INT_MAX) (default 0)
-sample_size <int> .D......... set audio sample size (from 0 to 16) (default 0)
-channels <int> .D......... set number of audio channels, such as 1 or 2 (from 0 to INT_MAX) (default 0)
-audio_buffer_size <int> .D......... set audio device buffer latency size in milliseconds (default is the device's default) (from 0 to INT_MAX) (default 0)
-list_devices <boolean> .D......... list available devices (default false)
-list_options <boolean> .D......... list available options for specified device (default false)
-video_device_number <int> .D......... set video device number for devices with same name (starts at 0) (from 0 to INT_MAX) (default 0)
-audio_device_number <int> .D......... set audio device number for devices with same name (starts at 0) (from 0 to INT_MAX) (default 0)
-video_pin_name <string> E.......... select video capture pin by name
-audio_pin_name <string> E.......... select audio capture pin by name
-crossbar_video_input_pin_number <int> .D......... set video input pin number for crossbar device (from -1 to INT_MAX) (default -1)
-crossbar_audio_input_pin_number <int> .D......... set audio input pin number for crossbar device (from -1 to INT_MAX) (default -1)
-show_video_device_dialog <boolean> .D......... display property dialog for video capture device (default false)
-show_audio_device_dialog <boolean> .D......... display property dialog for audio capture device (default false)
-show_video_crossbar_connection_dialog <boolean> .D......... display property dialog for crossbar connecting pins filter on video device (default false)
-show_audio_crossbar_connection_dialog <boolean> .D......... display property dialog for crossbar connecting pins filter on audio device (default false)
-show_analog_tv_tuner_dialog <boolean> .D......... display property dialog for analog tuner filter (default false)
-show_analog_tv_tuner_audio_dialog <boolean> .D......... display property dialog for analog tuner audio filter (default false)
-audio_device_load <string> .D......... load audio capture filter device (and properties) from file
-audio_device_save <string> .D......... save audio capture filter device (and properties) to file
-video_device_load <string> .D......... load video capture filter device (and properties) from file
-video_device_save <string> .D......... save video capture filter device (and properties) to file
-use_video_device_timestamps <boolean> .D......... use device instead of wallclock timestamps for video frames (default true)

GDIgrab indev AVOptions:
-draw_mouse <int> .D......... draw the mouse pointer (from 0 to 1) (default 1)
-show_region <int> .D......... draw border around capture area (from 0 to 1) (default 0)
-framerate <video_rate> .D......... set video frame rate (default "ntsc")
-video_size <image_size> .D......... set video frame size
-offset_x <int> .D......... capture area x offset (from INT_MIN to INT_MAX) (default 0)
-offset_y <int> .D......... capture area y offset (from INT_MIN to INT_MAX) (default 0)

lavfi indev AVOptions:
-graph <string> .D......... set libavfilter graph
-graph_file <string> .D......... set libavfilter graph filename
-dumpgraph <string> .D......... dump graph to stderr

VFW indev AVOptions:
-video_size <string> .D......... A string describing frame size, such as 640x480 or hd720.
-framerate <string> .D......... (default "ntsc")

SWScaler AVOptions:
-sws_flags <flags> E..V....... scaler flags (default bicubic)
fast_bilinear E..V....... fast bilinear
bilinear E..V....... bilinear
bicubic E..V....... bicubic
experimental E..V....... experimental
neighbor E..V....... nearest neighbor
area E..V....... averaging area
bicublin E..V....... luma bicubic, chroma bilinear
gauss E..V....... Gaussian
sinc E..V....... sinc
lanczos E..V....... Lanczos
spline E..V....... natural bicubic spline
print_info E..V....... print info
accurate_rnd E..V....... accurate rounding
full_chroma_int E..V....... full chroma interpolation
full_chroma_inp E..V....... full chroma input
bitexact E..V.......
error_diffusion E..V....... error diffusion dither
-srcw <int> E..V....... source width (from 1 to INT_MAX) (default 16)
-srch <int> E..V....... source height (from 1 to INT_MAX) (default 16)
-dstw <int> E..V....... destination width (from 1 to INT_MAX) (default 16)
-dsth <int> E..V....... destination height (from 1 to INT_MAX) (default 16)
-src_format <pix_fmt> E..V....... source format (default yuv420p)
-dst_format <pix_fmt> E..V....... destination format (default yuv420p)
-src_range <boolean> E..V....... source is full range (default false)
-dst_range <boolean> E..V....... destination is full range (default false)
-param0 <double> E..V....... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
-param1 <double> E..V....... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
-src_v_chr_pos <int> E..V....... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-src_h_chr_pos <int> E..V....... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_v_chr_pos <int> E..V....... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_h_chr_pos <int> E..V....... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-sws_dither <int> E..V....... set dithering algorithm (from 0 to 6) (default auto)
auto 1 E..V....... leave choice to sws
bayer 2 E..V....... bayer dither
ed 3 E..V....... error diffusion
a_dither 4 E..V....... arithmetic addition dither
x_dither 5 E..V....... arithmetic xor dither
-gamma <boolean> E..V....... gamma correct scaling (default false)
-alphablend <int> E..V....... mode for alpha -> non alpha (from 0 to 2) (default none)
none 0 E..V....... ignore alpha
uniform_color 1 E..V....... blend onto a uniform color
checkerboard 2 E..V....... blend onto a checkerboard
-threads <int> E..V....... number of threads (from 0 to INT_MAX) (default 1)
auto 0 E..V.......

SWResampler AVOptions:
-ich <int> ....A.....P set input channel count (Deprecated, use ichl) (from 0 to 64) (default 0)
-in_channel_count <int> ....A.....P set input channel count (Deprecated, use in_chlayout) (from 0 to 64) (default 0)
-och <int> ....A.....P set output channel count (Deprecated, use ochl) (from 0 to 64) (default 0)
-out_channel_count <int> ....A.....P set output channel count (Deprecated, use out_chlayout) (from 0 to 64) (default 0)
-uch <int> ....A.....P set used channel count (from 0 to 64) (default 0)
-used_channel_count <int> ....A.....P set used channel count (from 0 to 64) (default 0)
-isr <int> ....A...... set input sample rate (from 0 to INT_MAX) (default 0)
-in_sample_rate <int> ....A...... set input sample rate (from 0 to INT_MAX) (default 0)
-osr <int> ....A...... set output sample rate (from 0 to INT_MAX) (default 0)
-out_sample_rate <int> ....A...... set output sample rate (from 0 to INT_MAX) (default 0)
-isf <sample_fmt> ....A...... set input sample format (default none)
-in_sample_fmt <sample_fmt> ....A...... set input sample format (default none)
-osf <sample_fmt> ....A...... set output sample format (default none)
-out_sample_fmt <sample_fmt> ....A...... set output sample format (default none)
-tsf <sample_fmt> ....A...... set internal sample format (default none)
-internal_sample_fmt <sample_fmt> ....A...... set internal sample format (default none)
-icl <channel_layout> ....A.....P set input channel layout (Deprecated, use ichl) (default 0x0)
-in_channel_layout <channel_layout> ....A.....P set input channel layout (Deprecated, use in_chlayout) (default 0x0)
-ocl <channel_layout> ....A.....P set output channel layout (Deprecated, use ochl) (default 0x0)
-out_channel_layout <channel_layout> ....A.....P set output channel layout (Deprecated, use out_chlayout) (default 0x0)
-ichl <channel_layout> ....A...... set input channel layout
-in_chlayout <channel_layout> ....A...... set input channel layout
-ochl <channel_layout> ....A...... set output channel layout
-out_chlayout <channel_layout> ....A...... set output channel layout
-uchl <channel_layout> ....A...... set used channel layout
-used_chlayout <channel_layout> ....A...... set used channel layout
-clev <float> ....A...... set center mix level (from -32 to 32) (default 0.707107)
-center_mix_level <float> ....A...... set center mix level (from -32 to 32) (default 0.707107)
-slev <float> ....A...... set surround mix level (from -32 to 32) (default 0.707107)
-surround_mix_level <float> ....A...... set surround mix Level (from -32 to 32) (default 0.707107)
-lfe_mix_level <float> ....A...... set LFE mix level (from -32 to 32) (default 0)
-rmvol <float> ....A...... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_volume <float> ....A...... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_maxval <float> ....A...... set rematrix maxval (from 0 to 1000) (default 0)
-flags <flags> ....A...... set flags (default 0)
res ....A...... force resampling
-swr_flags <flags> ....A...... set flags (default 0)
res ....A...... force resampling
-dither_scale <float> ....A...... set dither scale (from 0 to INT_MAX) (default 1)
-dither_method <int> ....A...... set dither method (from 0 to 71) (default 0)
rectangular 1 ....A...... select rectangular dither
triangular 2 ....A...... select triangular dither
triangular_hp 3 ....A...... select triangular dither with high pass
lipshitz 65 ....A...... select Lipshitz noise shaping dither
shibata 69 ....A...... select Shibata noise shaping dither
low_shibata 70 ....A...... select low Shibata noise shaping dither
high_shibata 71 ....A...... select high Shibata noise shaping dither
f_weighted 66 ....A...... select f-weighted noise shaping dither
modified_e_weighted 67 ....A...... select modified-e-weighted noise shaping dither
improved_e_weighted 68 ....A...... select improved-e-weighted noise shaping dither
-filter_size <int> ....A...... set swr resampling filter size (from 0 to INT_MAX) (default 32)
-phase_shift <int> ....A...... set swr resampling phase shift (from 0 to 24) (default 10)
-linear_interp <boolean> ....A...... enable linear interpolation (default true)
-exact_rational <boolean> ....A...... enable exact rational (default true)
-cutoff <double> ....A...... set cutoff frequency ratio (from 0 to 1) (default 0)
-resample_cutoff <double> ....A...... set cutoff frequency ratio (from 0 to 1) (default 0)
-resampler <int> ....A...... set resampling Engine (from 0 to 1) (default swr)
swr 0 ....A...... select SW Resampler
soxr 1 ....A...... select SoX Resampler
-precision <double> ....A...... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
-cheby <boolean> ....A...... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (default false)
-min_comp <float> ....A...... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX)
-min_hard_comp <float> ....A...... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1)
-comp_duration <float> ....A...... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1)
-max_soft_comp <float> ....A...... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0)
-async <float> ....A...... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
-first_pts <int64> ....A...... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
-matrix_encoding <int> ....A...... set matrixed stereo encoding (from 0 to 6) (default none)
none 0 ....A...... select none
dolby 1 ....A...... select Dolby
dplii 2 ....A...... select Dolby Pro Logic II
-filter_type <int> ....A...... select swr filter type (from 0 to 2) (default kaiser)
cubic 0 ....A...... select cubic
blackman_nuttall 1 ....A...... select Blackman Nuttall windowed sinc
kaiser 2 ....A...... select Kaiser windowed sinc
-kaiser_beta <double> ....A...... set swr Kaiser window beta (from 2 to 16) (default 9)
-output_sample_bits <int> ....A...... set swr number of output sample bits (from 0 to 64) (default 0)

AVFilter AVOptions:
thread_type <flags> ..F........ Allowed thread types (default slice)
slice ..F........
enable <string> ..F......T. set enable expression
threads <int> ..F........ Allowed number of threads (from 0 to INT_MAX) (default 0)
extra_hw_frames <int> ..F........ Number of extra hardware frames to allocate for the user (from -1 to INT_MAX) (default -1)

abench AVOptions:
action <int> ..F.A...... set action (from 0 to 1) (default start)
start 0 ..F.A...... start timer
stop 1 ..F.A...... stop timer

acompressor/sidechaincompress AVOptions:
level_in <double> ..F.A....T. set input gain (from 0.015625 to 64) (default 1)
mode <int> ..F.A....T. set mode (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
threshold <double> ..F.A....T. set threshold (from 0.000976563 to 1) (default 0.125)
ratio <double> ..F.A....T. set ratio (from 1 to 20) (default 2)
attack <double> ..F.A....T. set attack (from 0.01 to 2000) (default 20)
release <double> ..F.A....T. set release (from 0.01 to 9000) (default 250)
makeup <double> ..F.A....T. set make up gain (from 1 to 64) (default 1)
knee <double> ..F.A....T. set knee (from 1 to 8) (default 2.82843)
link <int> ..F.A....T. set link type (from 0 to 1) (default average)
average 0 ..F.A....T.
maximum 1 ..F.A....T.
detection <int> ..F.A....T. set detection (from 0 to 1) (default rms)
peak 0 ..F.A....T.
rms 1 ..F.A....T.
level_sc <double> ..F.A....T. set sidechain gain (from 0.015625 to 64) (default 1)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)

acontrast AVOptions:
contrast <float> ..F.A...... set contrast (from 0 to 100) (default 33)

(a)cue AVOptions:
cue <int64> ..FVA...... cue unix timestamp in microseconds (from 0 to I64_MAX) (default 0)
preroll <duration> ..FVA...... preroll duration in seconds (default 0)
buffer <duration> ..FVA...... buffer duration in seconds (default 0)

acrossfade AVOptions:
nb_samples <int> ..F.A...... set number of samples for cross fade duration (from 1 to 2.14748e+008) (default 44100)
ns <int> ..F.A...... set number of samples for cross fade duration (from 1 to 2.14748e+008) (default 44100)
duration <duration> ..F.A...... set cross fade duration (default 0)
d <duration> ..F.A...... set cross fade duration (default 0)
overlap <boolean> ..F.A...... overlap 1st stream end with 2nd stream start (default true)
o <boolean> ..F.A...... overlap 1st stream end with 2nd stream start (default true)
curve1 <int> ..F.A...... set fade curve type for 1st stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
c1 <int> ..F.A...... set fade curve type for 1st stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
curve2 <int> ..F.A...... set fade curve type for 2nd stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
c2 <int> ..F.A...... set fade curve type for 2nd stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function

acrossover AVOptions:
split <string> ..F.A...... set split frequencies (default "500")
order <int> ..F.A...... set filter order (from 0 to 9) (default 4th)
2nd 0 ..F.A...... 2nd order (12 dB/8ve)
4th 1 ..F.A...... 4th order (24 dB/8ve)
6th 2 ..F.A...... 6th order (36 dB/8ve)
8th 3 ..F.A...... 8th order (48 dB/8ve)
10th 4 ..F.A...... 10th order (60 dB/8ve)
12th 5 ..F.A...... 12th order (72 dB/8ve)
14th 6 ..F.A...... 14th order (84 dB/8ve)
16th 7 ..F.A...... 16th order (96 dB/8ve)
18th 8 ..F.A...... 18th order (108 dB/8ve)
20th 9 ..F.A...... 20th order (120 dB/8ve)
level <float> ..F.A...... set input gain (from 0 to 1) (default 1)
gain <string> ..F.A...... set output bands gain (default "1.f")
precision <int> ..F.A...... set processing precision (from 0 to 2) (default auto)
auto 0 ..F.A...... set auto processing precision
float 1 ..F.A...... set single-floating point processing precision
double 2 ..F.A...... set double-floating point processing precision

acrusher AVOptions:
level_in <double> ..F.A....T. set level in (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set level out (from 0.015625 to 64) (default 1)
bits <double> ..F.A....T. set bit reduction (from 1 to 64) (default 8)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 0.5)
mode <int> ..F.A....T. set mode (from 0 to 1) (default lin)
lin 0 ..F.A....T. linear
log 1 ..F.A....T. logarithmic
dc <double> ..F.A....T. set DC (from 0.25 to 4) (default 1)
aa <double> ..F.A....T. set anti-aliasing (from 0 to 1) (default 0.5)
samples <double> ..F.A....T. set sample reduction (from 1 to 250) (default 1)
lfo <boolean> ..F.A....T. enable LFO (default false)
lforange <double> ..F.A....T. set LFO depth (from 1 to 250) (default 20)
lforate <double> ..F.A....T. set LFO rate (from 0.01 to 200) (default 0.3)

adeclick AVOptions:
window <double> ..F.A...... set window size (from 10 to 100) (default 55)
w <double> ..F.A...... set window size (from 10 to 100) (default 55)
overlap <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
o <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
arorder <double> ..F.A...... set autoregression order (from 0 to 25) (default 2)
a <double> ..F.A...... set autoregression order (from 0 to 25) (default 2)
threshold <double> ..F.A...... set threshold (from 1 to 100) (default 2)
t <double> ..F.A...... set threshold (from 1 to 100) (default 2)
burst <double> ..F.A...... set burst fusion (from 0 to 10) (default 2)
b <double> ..F.A...... set burst fusion (from 0 to 10) (default 2)
method <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save
m <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save

adeclip AVOptions:
window <double> ..F.A...... set window size (from 10 to 100) (default 55)
w <double> ..F.A...... set window size (from 10 to 100) (default 55)
overlap <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
o <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
arorder <double> ..F.A...... set autoregression order (from 0 to 25) (default 8)
a <double> ..F.A...... set autoregression order (from 0 to 25) (default 8)
threshold <double> ..F.A...... set threshold (from 1 to 100) (default 10)
t <double> ..F.A...... set threshold (from 1 to 100) (default 10)
hsize <int> ..F.A...... set histogram size (from 100 to 9999) (default 1000)
n <int> ..F.A...... set histogram size (from 100 to 9999) (default 1000)
method <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save
m <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save

adecorrelate AVOptions:
stages <int> ..F.A...... set filtering stages (from 1 to 16) (default 6)
seed <int64> ..F.A...... set random seed (from -1 to UINT32_MAX) (default -1)

adelay AVOptions:
delays <string> ..F.A....T. set list of delays for each channel
all <boolean> ..F.A...... use last available delay for remained channels (default false)

adenorm AVOptions:
level <double> ..F.A....T. set level (from -451 to -90) (default -351)
type <int> ..F.A....T. set type (from 0 to 3) (default dc)
dc 0 ..F.A....T.
ac 1 ..F.A....T.
square 2 ..F.A....T.
pulse 3 ..F.A....T.

aderivative/aintegral AVOptions:

adrc AVOptions:
transfer <string> ..F.A....T. set the transfer expression (default "p")
attack <double> ..F.A....T. set the attack (from 1 to 1000) (default 50)
release <double> ..F.A....T. set the release (from 5 to 2000) (default 100)
channels <string> ..F.A....T. set channels to filter (default "all")

adynamicequalizer AVOptions:
threshold <double> ..F.A....T. set detection threshold (from 0 to 100) (default 0)
dfrequency <double> ..F.A....T. set detection frequency (from 2 to 1e+006) (default 1000)
dqfactor <double> ..F.A....T. set detection Q factor (from 0.001 to 1000) (default 1)
tfrequency <double> ..F.A....T. set target frequency (from 2 to 1e+006) (default 1000)
tqfactor <double> ..F.A....T. set target Q factor (from 0.001 to 1000) (default 1)
attack <double> ..F.A....T. set attack duration (from 1 to 2000) (default 20)
release <double> ..F.A....T. set release duration (from 1 to 2000) (default 200)
ratio <double> ..F.A....T. set ratio factor (from 0 to 30) (default 1)
makeup <double> ..F.A....T. set makeup gain (from 0 to 100) (default 0)
range <double> ..F.A....T. set max gain (from 1 to 200) (default 50)
mode <int> ..F.A....T. set mode (from -1 to 1) (default cut)
listen -1 ..F.A....T.
cut 0 ..F.A....T.
boost 1 ..F.A....T.
dftype <int> ..F.A....T. set detection filter type (from 0 to 3) (default bandpass)
bandpass 0 ..F.A....T.
lowpass 1 ..F.A....T.
highpass 2 ..F.A....T.
peak 3 ..F.A....T.
tftype <int> ..F.A....T. set target filter type (from 0 to 2) (default bell)
bell 0 ..F.A....T.
lowshelf 1 ..F.A....T.
highshelf 2 ..F.A....T.
direction <int> ..F.A....T. set direction (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
auto <int> ..F.A....T. set auto threshold (from -1 to 1) (default disabled)
disabled -1 ..F.A....T.
off 0 ..F.A....T.
on 1 ..F.A....T.
precision <int> ..F.A...... set processing precision (from 0 to 2) (default auto)
auto 0 ..F.A...... set auto processing precision
float 1 ..F.A...... set single-floating point processing precision
double 2 ..F.A...... set double-floating point processing precision

adynamicsmooth AVOptions:
sensitivity <double> ..F.A....T. set smooth sensitivity (from 0 to 1e+006) (default 2)
basefreq <double> ..F.A....T. set base frequency (from 2 to 1e+006) (default 22050)

aecho AVOptions:
in_gain <float> ..F.A...... set signal input gain (from 0 to 1) (default 0.6)
out_gain <float> ..F.A...... set signal output gain (from 0 to 1) (default 0.3)
delays <string> ..F.A...... set list of signal delays (default "1000")
decays <string> ..F.A...... set list of signal decays (default "0.5")

aemphasis AVOptions:
level_in <double> ..F.A....T. set input gain (from 0 to 64) (default 1)
level_out <double> ..F.A....T. set output gain (from 0 to 64) (default 1)
mode <int> ..F.A....T. set filter mode (from 0 to 1) (default reproduction)
reproduction 0 ..F.A....T.
production 1 ..F.A....T.
type <int> ..F.A....T. set filter type (from 0 to 8) (default cd)
col 0 ..F.A....T. Columbia
emi 1 ..F.A....T. EMI
bsi 2 ..F.A....T. BSI (78RPM)
riaa 3 ..F.A....T. RIAA
cd 4 ..F.A....T. Compact Disc (CD)
50fm 5 ..F.A....T. 50µs (FM)
75fm 6 ..F.A....T. 75µs (FM)
50kf 7 ..F.A....T. 50µs (FM-KF)
75kf 8 ..F.A....T. 75µs (FM-KF)

aeval AVOptions:
exprs <string> ..F.A...... set the '|'-separated list of channels expressions
channel_layout <string> ..F.A...... set channel layout
c <string> ..F.A...... set channel layout

aexciter AVOptions:
level_in <double> ..F.A....T. set level in (from 0 to 64) (default 1)
level_out <double> ..F.A....T. set level out (from 0 to 64) (default 1)
amount <double> ..F.A....T. set amount (from 0 to 64) (default 1)
drive <double> ..F.A....T. set harmonics (from 0.1 to 10) (default 8.5)
blend <double> ..F.A....T. set blend harmonics (from -10 to 10) (default 0)
freq <double> ..F.A....T. set scope (from 2000 to 12000) (default 7500)
ceil <double> ..F.A....T. set ceiling (from 9999 to 20000) (default 9999)
listen <boolean> ..F.A....T. enable listen mode (default false)

afade AVOptions:
type <int> ..F.A....T. set the fade direction (from 0 to 1) (default in)
in 0 ..F.A....T. fade-in
out 1 ..F.A....T. fade-out
t <int> ..F.A....T. set the fade direction (from 0 to 1) (default in)
in 0 ..F.A....T. fade-in
out 1 ..F.A....T. fade-out
start_sample <int64> ..F.A....T. set number of first sample to start fading (from 0 to I64_MAX) (default 0)
ss <int64> ..F.A....T. set number of first sample to start fading (from 0 to I64_MAX) (default 0)
nb_samples <int64> ..F.A....T. set number of samples for fade duration (from 1 to I64_MAX) (default 44100)
ns <int64> ..F.A....T. set number of samples for fade duration (from 1 to I64_MAX) (default 44100)
start_time <duration> ..F.A....T. set time to start fading (default 0)
st <duration> ..F.A....T. set time to start fading (default 0)
duration <duration> ..F.A....T. set fade duration (default 0)
d <duration> ..F.A....T. set fade duration (default 0)
curve <int> ..F.A....T. set fade curve type (from -1 to 18) (default tri)
nofade -1 ..F.A....T. no fade; keep audio as-is
tri 0 ..F.A....T. linear slope
qsin 1 ..F.A....T. quarter of sine wave
esin 2 ..F.A....T. exponential sine wave
hsin 3 ..F.A....T. half of sine wave
log 4 ..F.A....T. logarithmic
ipar 5 ..F.A....T. inverted parabola
qua 6 ..F.A....T. quadratic
cub 7 ..F.A....T. cubic
squ 8 ..F.A....T. square root
cbr 9 ..F.A....T. cubic root
par 10 ..F.A....T. parabola
exp 11 ..F.A....T. exponential
iqsin 12 ..F.A....T. inverted quarter of sine wave
ihsin 13 ..F.A....T. inverted half of sine wave
dese 14 ..F.A....T. double-exponential seat
desi 15 ..F.A....T. double-exponential sigmoid
losi 16 ..F.A....T. logistic sigmoid
sinc 17 ..F.A....T. sine cardinal function
isinc 18 ..F.A....T. inverted sine cardinal function
c <int> ..F.A....T. set fade curve type (from -1 to 18) (default tri)
nofade -1 ..F.A....T. no fade; keep audio as-is
tri 0 ..F.A....T. linear slope
qsin 1 ..F.A....T. quarter of sine wave
esin 2 ..F.A....T. exponential sine wave
hsin 3 ..F.A....T. half of sine wave
log 4 ..F.A....T. logarithmic
ipar 5 ..F.A....T. inverted parabola
qua 6 ..F.A....T. quadratic
cub 7 ..F.A....T. cubic
squ 8 ..F.A....T. square root
cbr 9 ..F.A....T. cubic root
par 10 ..F.A....T. parabola
exp 11 ..F.A....T. exponential
iqsin 12 ..F.A....T. inverted quarter of sine wave
ihsin 13 ..F.A....T. inverted half of sine wave
dese 14 ..F.A....T. double-exponential seat
desi 15 ..F.A....T. double-exponential sigmoid
losi 16 ..F.A....T. logistic sigmoid
sinc 17 ..F.A....T. sine cardinal function
isinc 18 ..F.A....T. inverted sine cardinal function
silence <double> ..F.A....T. set the silence gain (from 0 to 1) (default 0)
unity <double> ..F.A....T. set the unity gain (from 0 to 1) (default 1)

afftdn AVOptions:
noise_reduction <float> ..F.A....T. set the noise reduction (from 0.01 to 97) (default 12)
nr <float> ..F.A....T. set the noise reduction (from 0.01 to 97) (default 12)
noise_floor <float> ..F.A....T. set the noise floor (from -80 to -20) (default -50)
nf <float> ..F.A....T. set the noise floor (from -80 to -20) (default -50)
noise_type <int> ..F.A...... set the noise type (from 0 to 3) (default white)
white 0 ..F.A...... white noise
w 0 ..F.A...... white noise
vinyl 1 ..F.A...... vinyl noise
v 1 ..F.A...... vinyl noise
shellac 2 ..F.A...... shellac noise
s 2 ..F.A...... shellac noise
custom 3 ..F.A...... custom noise
c 3 ..F.A...... custom noise
nt <int> ..F.A...... set the noise type (from 0 to 3) (default white)
white 0 ..F.A...... white noise
w 0 ..F.A...... white noise
vinyl 1 ..F.A...... vinyl noise
v 1 ..F.A...... vinyl noise
shellac 2 ..F.A...... shellac noise
s 2 ..F.A...... shellac noise
custom 3 ..F.A...... custom noise
c 3 ..F.A...... custom noise
band_noise <string> ..F.A...... set the custom bands noise
bn <string> ..F.A...... set the custom bands noise
residual_floor <float> ..F.A....T. set the residual floor (from -80 to -20) (default -38)
rf <float> ..F.A....T. set the residual floor (from -80 to -20) (default -38)
track_noise <boolean> ..F.A....T. track noise (default false)
tn <boolean> ..F.A....T. track noise (default false)
track_residual <boolean> ..F.A....T. track residual (default false)
tr <boolean> ..F.A....T. track residual (default false)
output_mode <int> ..F.A....T. set output mode (from 0 to 2) (default output)
input 0 ..F.A....T. input
i 0 ..F.A....T. input
output 1 ..F.A....T. output
o 1 ..F.A....T. output
noise 2 ..F.A....T. noise
n 2 ..F.A....T. noise
om <int> ..F.A....T. set output mode (from 0 to 2) (default output)
input 0 ..F.A....T. input
i 0 ..F.A....T. input
output 1 ..F.A....T. output
o 1 ..F.A....T. output
noise 2 ..F.A....T. noise
n 2 ..F.A....T. noise
adaptivity <float> ..F.A....T. set adaptivity factor (from 0 to 1) (default 0.5)
ad <float> ..F.A....T. set adaptivity factor (from 0 to 1) (default 0.5)
floor_offset <float> ..F.A....T. set noise floor offset factor (from -2 to 2) (default 1)
fo <float> ..F.A....T. set noise floor offset factor (from -2 to 2) (default 1)
noise_link <int> ..F.A....T. set the noise floor link (from 0 to 3) (default min)
none 0 ..F.A....T. none
min 1 ..F.A....T. min
max 2 ..F.A....T. max
average 3 ..F.A....T. average
nl <int> ..F.A....T. set the noise floor link (from 0 to 3) (default min)
none 0 ..F.A....T. none
min 1 ..F.A....T. min
max 2 ..F.A....T. max
average 3 ..F.A....T. average
band_multiplier <float> ..F.A...... set band multiplier (from 0.2 to 5) (default 1.25)
bm <float> ..F.A...... set band multiplier (from 0.2 to 5) (default 1.25)
sample_noise <int> ..F.A....T. set sample noise mode (from 0 to 2) (default none)
none 0 ..F.A....T. none
start 1 ..F.A....T. start
begin 1 ..F.A....T. start
stop 2 ..F.A....T. stop
end 2 ..F.A....T. stop
sn <int> ..F.A....T. set sample noise mode (from 0 to 2) (default none)
none 0 ..F.A....T. none
start 1 ..F.A....T. start
begin 1 ..F.A....T. start
stop 2 ..F.A....T. stop
end 2 ..F.A....T. stop
gain_smooth <int> ..F.A....T. set gain smooth radius (from 0 to 50) (default 0)
gs <int> ..F.A....T. set gain smooth radius (from 0 to 50) (default 0)

afftfilt AVOptions:
real <string> ..F.A...... set channels real expressions (default "re")
imag <string> ..F.A...... set channels imaginary expressions (default "im")
win_size <int> ..F.A...... set window size (from 16 to 131072) (default 4096)
win_func <int> ..F.A...... set window function (from 0 to 20) (default hann)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
overlap <float> ..F.A...... set window overlap (from 0 to 1) (default 0.75)

afir AVOptions:
dry <float> ..F.A....T. set dry gain (from 0 to 10) (default 1)
wet <float> ..F.A....T. set wet gain (from 0 to 10) (default 1)
length <float> ..F.A...... set IR length (from 0 to 1) (default 1)
gtype <int> ..F.A...... set IR auto gain type (from -1 to 4) (default peak)
none -1 ..F.A...... without auto gain
peak 0 ..F.A...... peak gain
dc 1 ..F.A...... DC gain
gn 2 ..F.A...... gain to noise
ac 3 ..F.A...... AC gain
rms 4 ..F.A...... RMS gain
irgain <float> ..F.A...... set IR gain (from 0 to 1) (default 1)
irfmt <int> ..F.A...... set IR format (from 0 to 1) (default input)
mono 0 ..F.A...... single channel
input 1 ..F.A...... same as input
maxir <float> ..F.A...... set max IR length (from 0.1 to 60) (default 30)
response <boolean> ..FV....... show IR frequency response (default false)
channel <int> ..FV....... set IR channel to display frequency response (from 0 to 1024) (default 0)
size <image_size> ..FV....... set video size (default "hd720")
rate <video_rate> ..FV....... set video rate (default "25")
minp <int> ..F.A...... set min partition size (from 1 to 65536) (default 8192)
maxp <int> ..F.A...... set max partition size (from 8 to 65536) (default 8192)
nbirs <int> ..F.A...... set number of input IRs (from 1 to 32) (default 1)
ir <int> ..F.A....T. select IR (from 0 to 31) (default 0)
precision <int> ..F.A...... set processing precision (from 0 to 2) (default auto)
auto 0 ..F.A...... set auto processing precision
float 1 ..F.A...... set single-floating point processing precision
double 2 ..F.A...... set double-floating point processing precision
irload <int> ..F.A...... set IR loading type (from 0 to 1) (default init)
init 0 ..F.A...... load all IRs on init
access 1 ..F.A...... load IR on access

aformat AVOptions:
sample_fmts <string> ..F.A...... A '|'-separated list of sample formats.
f <string> ..F.A...... A '|'-separated list of sample formats.
sample_rates <string> ..F.A...... A '|'-separated list of sample rates.
r <string> ..F.A...... A '|'-separated list of sample rates.
channel_layouts <string> ..F.A...... A '|'-separated list of channel layouts.
cl <string> ..F.A...... A '|'-separated list of channel layouts.

afreqshift AVOptions:
shift <double> ..F.A....T. set frequency shift (from -2.14748e+009 to INT_MAX) (default 0)
level <double> ..F.A....T. set output level (from 0 to 1) (default 1)
order <int> ..F.A....T. set filter order (from 1 to 16) (default 8)

afwtdn AVOptions:
sigma <double> ..F.A....T. set noise sigma (from 0 to 1) (default 0)
levels <int> ..F.A...... set number of wavelet levels (from 1 to 12) (default 10)
wavet <int> ..F.A...... set wavelet type (from 0 to 6) (default sym10)
sym2 0 ..F.A...... sym2
sym4 1 ..F.A...... sym4
rbior68 2 ..F.A...... rbior68
deb10 3 ..F.A...... deb10
sym10 4 ..F.A...... sym10
coif5 5 ..F.A...... coif5
bl3 6 ..F.A...... bl3
percent <double> ..F.A....T. set percent of full denoising (from 0 to 100) (default 85)
profile <boolean> ..F.A....T. profile noise (default false)
adaptive <boolean> ..F.A....T. adaptive profiling of noise (default false)
samples <int> ..F.A...... set frame size in number of samples (from 512 to 65536) (default 8192)
softness <double> ..F.A....T. set thresholding softness (from 0 to 10) (default 1)

agate/sidechaingate AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
mode <int> ..F.A....T. set mode (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
range <double> ..F.A....T. set max gain reduction (from 0 to 1) (default 0.06125)
threshold <double> ..F.A....T. set threshold (from 0 to 1) (default 0.125)
ratio <double> ..F.A....T. set ratio (from 1 to 9000) (default 2)
attack <double> ..F.A....T. set attack (from 0.01 to 9000) (default 20)
release <double> ..F.A....T. set release (from 0.01 to 9000) (default 250)
makeup <double> ..F.A....T. set makeup gain (from 1 to 64) (default 1)
knee <double> ..F.A....T. set knee (from 1 to 8) (default 2.82843)
detection <int> ..F.A....T. set detection (from 0 to 1) (default rms)
peak 0 ..F.A....T.
rms 1 ..F.A....T.
link <int> ..F.A....T. set link (from 0 to 1) (default average)
average 0 ..F.A....T.
maximum 1 ..F.A....T.
level_sc <double> ..F.A....T. set sidechain gain (from 0.015625 to 64) (default 1)

aiir AVOptions:
zeros <string> ..F.A...... set B/numerator/zeros/reflection coefficients (default "1+0i 1-0i")
z <string> ..F.A...... set B/numerator/zeros/reflection coefficients (default "1+0i 1-0i")
poles <string> ..F.A...... set A/denominator/poles/ladder coefficients (default "1+0i 1-0i")
p <string> ..F.A...... set A/denominator/poles/ladder coefficients (default "1+0i 1-0i")
gains <string> ..F.A...... set channels gains (default "1|1")
k <string> ..F.A...... set channels gains (default "1|1")
dry <double> ..F.A...... set dry gain (from 0 to 1) (default 1)
wet <double> ..F.A...... set wet gain (from 0 to 1) (default 1)
format <int> ..F.A...... set coefficients format (from -2 to 4) (default zp)
ll -2 ..F.A...... lattice-ladder function
sf -1 ..F.A...... analog transfer function
tf 0 ..F.A...... digital transfer function
zp 1 ..F.A...... Z-plane zeros/poles
pr 2 ..F.A...... Z-plane zeros/poles (polar radians)
pd 3 ..F.A...... Z-plane zeros/poles (polar degrees)
sp 4 ..F.A...... S-plane zeros/poles
f <int> ..F.A...... set coefficients format (from -2 to 4) (default zp)
ll -2 ..F.A...... lattice-ladder function
sf -1 ..F.A...... analog transfer function
tf 0 ..F.A...... digital transfer function
zp 1 ..F.A...... Z-plane zeros/poles
pr 2 ..F.A...... Z-plane zeros/poles (polar radians)
pd 3 ..F.A...... Z-plane zeros/poles (polar degrees)
sp 4 ..F.A...... S-plane zeros/poles
process <int> ..F.A...... set kind of processing (from 0 to 2) (default s)
d 0 ..F.A...... direct
s 1 ..F.A...... serial
p 2 ..F.A...... parallel
r <int> ..F.A...... set kind of processing (from 0 to 2) (default s)
d 0 ..F.A...... direct
s 1 ..F.A...... serial
p 2 ..F.A...... parallel
precision <int> ..F.A...... set filtering precision (from 0 to 3) (default dbl)
dbl 0 ..F.A...... double-precision floating-point
flt 1 ..F.A...... single-precision floating-point
i32 2 ..F.A...... 32-bit integers
i16 3 ..F.A...... 16-bit integers
e <int> ..F.A...... set precision (from 0 to 3) (default dbl)
dbl 0 ..F.A...... double-precision floating-point
flt 1 ..F.A...... single-precision floating-point
i32 2 ..F.A...... 32-bit integers
i16 3 ..F.A...... 16-bit integers
normalize <boolean> ..F.A...... normalize coefficients (default true)
n <boolean> ..F.A...... normalize coefficients (default true)
mix <double> ..F.A...... set mix (from 0 to 1) (default 1)
response <boolean> ..FV....... show IR frequency response (default false)
channel <int> ..FV....... set IR channel to display frequency response (from 0 to 1024) (default 0)
size <image_size> ..FV....... set video size (default "hd720")
rate <video_rate> ..FV....... set video rate (default "25")

aderivative/aintegral AVOptions:

ainterleave AVOptions:
nb_inputs <int> ..F.A...... set number of inputs (from 1 to INT_MAX) (default 2)
n <int> ..F.A...... set number of inputs (from 1 to INT_MAX) (default 2)
duration <int> ..F.A...... how to determine the end-of-stream (from 0 to 2) (default longest)
longest 0 ..F.A...... Duration of longest input
shortest 1 ..F.A...... Duration of shortest input
first 2 ..F.A...... Duration of first input

alimiter AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set output level (from 0.015625 to 64) (default 1)
limit <double> ..F.A....T. set limit (from 0.0625 to 1) (default 1)
attack <double> ..F.A....T. set attack (from 0.1 to 80) (default 5)
release <double> ..F.A....T. set release (from 1 to 8000) (default 50)
asc <boolean> ..F.A....T. enable asc (default false)
asc_level <double> ..F.A....T. set asc level (from 0 to 1) (default 0.5)
level <boolean> ..F.A....T. auto level (default true)
latency <boolean> ..F.A....T. compensate delay (default false)

allpass AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
order <int> ..F.A....T. set filter order (from 1 to 2) (default 2)
o <int> ..F.A....T. set filter order (from 1 to 2) (default 2)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double

aloop AVOptions:
loop <int> ..F.A...... number of loops (from -1 to INT_MAX) (default 0)
size <int64> ..F.A...... max number of samples to loop (from 0 to INT_MAX) (default 0)
start <int64> ..F.A...... set the loop start sample (from -1 to I64_MAX) (default 0)
time <duration> ..F.A...... set the loop start time (default INT64_MAX)

amerge AVOptions:
inputs <int> ..F.A...... specify the number of inputs (from 1 to 64) (default 2)

ametadata AVOptions:
mode <int> ..F.A...... set a mode of operation (from 0 to 4) (default select)
select 0 ..F.A...... select frame
add 1 ..F.A...... add new metadata
modify 2 ..F.A...... modify metadata
delete 3 ..F.A...... delete metadata
print 4 ..F.A...... print metadata
key <string> ..F.A...... set metadata key
value <string> ..F.A...... set metadata value
function <int> ..F.A...... function for comparing values (from 0 to 6) (default same_str)
same_str 0 ..F.A......
starts_with 1 ..F.A......
less 2 ..F.A......
equal 3 ..F.A......
greater 4 ..F.A......
expr 5 ..F.A......
ends_with 6 ..F.A......
expr <string> ..F.A...... set expression for expr function
file <string> ..F.A...... set file where to print metadata information
direct <boolean> ..F.A...... reduce buffering when printing to user-set file or pipe (default false)

amix AVOptions:
inputs <int> ..F.A...... Number of inputs. (from 1 to 32767) (default 2)
duration <int> ..F.A...... How to determine the end-of-stream. (from 0 to 2) (default longest)
longest 0 ..F.A...... Duration of longest input.
shortest 1 ..F.A...... Duration of shortest input.
first 2 ..F.A...... Duration of first input.
dropout_transition <float> ..F.A...... Transition time, in seconds, for volume renormalization when an input stream ends. (from 0 to INT_MAX) (default 2)
weights <string> ..F.A....T. Set weight for each input. (default "1 1")
normalize <boolean> ..F.A....T. Scale inputs (default true)

anequalizer AVOptions:
params <string> ..F.A...... (default "")
curves <boolean> ..FV....... draw frequency response curves (default false)
size <image_size> ..FV....... set video size (default "hd720")
mgain <double> ..FV....... set max gain (from -900 to 900) (default 60)
fscale <int> ..FV....... set frequency scale (from 0 to 1) (default log)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
colors <string> ..FV....... set channels curves colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")

anlmdn AVOptions:
strength <float> ..F.A....T. set denoising strength (from 1e-005 to 10000) (default 1e-005)
s <float> ..F.A....T. set denoising strength (from 1e-005 to 10000) (default 1e-005)
patch <duration> ..F.A....T. set patch duration (default 0.002)
p <duration> ..F.A....T. set patch duration (default 0.002)
research <duration> ..F.A....T. set research duration (default 0.006)
r <duration> ..F.A....T. set research duration (default 0.006)
output <int> ..F.A....T. set output mode (from 0 to 2) (default o)
i 0 ..F.A....T. input
o 1 ..F.A....T. output
n 2 ..F.A....T. noise
o <int> ..F.A....T. set output mode (from 0 to 2) (default o)
i 0 ..F.A....T. input
o 1 ..F.A....T. output
n 2 ..F.A....T. noise
smooth <float> ..F.A....T. set smooth factor (from 1 to 1000) (default 11)
m <float> ..F.A....T. set smooth factor (from 1 to 1000) (default 11)

anlm(f|s) AVOptions:
order <int> ..F.A...... set the filter order (from 1 to 32767) (default 256)
mu <float> ..F.A....T. set the filter mu (from 0 to 2) (default 0.75)
eps <float> ..F.A....T. set the filter eps (from 0 to 1) (default 1)
leakage <float> ..F.A....T. set the filter leakage (from 0 to 1) (default 0)
out_mode <int> ..F.A....T. set output mode (from 0 to 4) (default o)
i 0 ..F.A....T. input
d 1 ..F.A....T. desired
o 2 ..F.A....T. output
n 3 ..F.A....T. noise
e 4 ..F.A....T. error

apad AVOptions:
packet_size <int> ..F.A...... set silence packet size (from 0 to INT_MAX) (default 4096)
pad_len <int64> ..F.A...... set number of samples of silence to add (from -1 to I64_MAX) (default -1)
whole_len <int64> ..F.A...... set minimum target number of samples in the audio stream (from -1 to I64_MAX) (default -1)
pad_dur <duration> ..F.A...... set duration of silence to add (default -0.000001)
whole_dur <duration> ..F.A...... set minimum target duration in the audio stream (default -0.000001)

(a)perms AVOptions:
mode <int> ..FVA....T. select permissions mode (from 0 to 4) (default none)
none 0 ..FVA....T. do nothing
ro 1 ..FVA....T. set all output frames read-only
rw 2 ..FVA....T. set all output frames writable
toggle 3 ..FVA....T. switch permissions
random 4 ..FVA....T. set permissions randomly
seed <int64> ..FVA...... set the seed for the random mode (from -1 to UINT32_MAX) (default -1)

aphaser AVOptions:
in_gain <double> ..F.A...... set input gain (from 0 to 1) (default 0.4)
out_gain <double> ..F.A...... set output gain (from 0 to 1e+009) (default 0.74)
delay <double> ..F.A...... set delay in milliseconds (from 0 to 5) (default 3)
decay <double> ..F.A...... set decay (from 0 to 0.99) (default 0.4)
speed <double> ..F.A...... set modulation speed (from 0.1 to 2) (default 0.5)
type <int> ..F.A...... set modulation type (from 0 to 1) (default triangular)
triangular 1 ..F.A......
t 1 ..F.A......
sinusoidal 0 ..F.A......
s 0 ..F.A......

aphaseshift AVOptions:
shift <double> ..F.A....T. set phase shift (from -1 to 1) (default 0)
level <double> ..F.A....T. set output level (from 0 to 1) (default 1)
order <int> ..F.A....T. set filter order (from 1 to 16) (default 8)

apsyclip AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set output level (from 0.015625 to 64) (default 1)
clip <double> ..F.A....T. set clip level (from 0.015625 to 1) (default 1)
diff <boolean> ..F.A....T. enable difference (default false)
adaptive <double> ..F.A....T. set adaptive distortion (from 0 to 1) (default 0.5)
iterations <int> ..F.A....T. set iterations (from 1 to 20) (default 10)
level <boolean> ..F.A....T. set auto level (default false)

apulsator AVOptions:
level_in <double> ..F.A...... set input gain (from 0.015625 to 64) (default 1)
level_out <double> ..F.A...... set output gain (from 0.015625 to 64) (default 1)
mode <int> ..F.A...... set mode (from 0 to 4) (default sine)
sine 0 ..F.A......
triangle 1 ..F.A......
square 2 ..F.A......
sawup 3 ..F.A......
sawdown 4 ..F.A......
amount <double> ..F.A...... set modulation (from 0 to 1) (default 1)
offset_l <double> ..F.A...... set offset L (from 0 to 1) (default 0)
offset_r <double> ..F.A...... set offset R (from 0 to 1) (default 0.5)
width <double> ..F.A...... set pulse width (from 0 to 2) (default 1)
timing <int> ..F.A...... set timing (from 0 to 2) (default hz)
bpm 0 ..F.A......
ms 1 ..F.A......
hz 2 ..F.A......
bpm <double> ..F.A...... set BPM (from 30 to 300) (default 120)
ms <int> ..F.A...... set ms (from 10 to 2000) (default 500)
hz <double> ..F.A...... set frequency (from 0.01 to 100) (default 2)

(a)realtime AVOptions:
limit <duration> ..FVA....T. sleep time limit (default 2)
speed <double> ..FVA....T. speed factor (from DBL_MIN to DBL_MAX) (default 1)

aresample AVOptions:
sample_rate <int> ..F.A...... (from 0 to INT_MAX) (default 0)

arls AVOptions:
order <int> ..F.A...... set the filter order (from 1 to 32767) (default 16)
lambda <float> ..F.A....T. set the filter lambda (from 0 to 1) (default 1)
delta <float> ..F.A...... set the filter delta (from 0 to 32767) (default 2)
out_mode <int> ..F.A....T. set output mode (from 0 to 4) (default o)
i 0 ..F.A....T. input
d 1 ..F.A....T. desired
o 2 ..F.A....T. output
n 3 ..F.A....T. noise
e 4 ..F.A....T. error

arnndn AVOptions:
model <string> ..F.A....T. set model name
m <string> ..F.A....T. set model name
mix <float> ..F.A....T. set output vs input mix (from -1 to 1) (default 1)

asegment AVOptions:
timestamps <string> ..F.A...... timestamps of input at which to split input
samples <string> ..F.A...... samples at which to split input

aselect AVOptions:
expr <string> ..F.A...... set an expression to use for selecting frames (default "1")
e <string> ..F.A...... set an expression to use for selecting frames (default "1")
outputs <int> ..F.A...... set the number of outputs (from 1 to INT_MAX) (default 1)
n <int> ..F.A...... set the number of outputs (from 1 to INT_MAX) (default 1)

(a)sendcmd AVOptions:
commands <string> ..FVA...... set commands
c <string> ..FVA...... set commands
filename <string> ..FVA...... set commands file
f <string> ..FVA...... set commands file

asetnsamples AVOptions:
nb_out_samples <int> ..F.A....T. set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
n <int> ..F.A....T. set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
pad <boolean> ..F.A....T. pad last frame with zeros (default true)
p <boolean> ..F.A....T. pad last frame with zeros (default true)

asetpts AVOptions:
expr <string> ..F.A....T. Expression determining the frame timestamp (default "PTS")

asetrate AVOptions:
sample_rate <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)

asettb AVOptions:
expr <string> ..F.A...... set expression determining the output timebase (default "intb")
tb <string> ..F.A...... set expression determining the output timebase (default "intb")

asidedata AVOptions:
mode <int> ..F.A...... set a mode of operation (from 0 to 1) (default select)
select 0 ..F.A...... select frame
delete 1 ..F.A...... delete side data
type <int> ..F.A...... set side data type (from -1 to INT_MAX) (default -1)
PANSCAN 0 ..F.A......
A53_CC 1 ..F.A......
STEREO3D 2 ..F.A......
MATRIXENCODING 3 ..F.A......
DOWNMIX_INFO 4 ..F.A......
REPLAYGAIN 5 ..F.A......
DISPLAYMATRIX 6 ..F.A......
AFD 7 ..F.A......
MOTION_VECTORS 8 ..F.A......
SKIP_SAMPLES 9 ..F.A......
AUDIO_SERVICE_TYPE 10 ..F.A......
MASTERING_DISPLAY_METADATA 11 ..F.A......
GOP_TIMECODE 12 ..F.A......
SPHERICAL 13 ..F.A......
CONTENT_LIGHT_LEVEL 14 ..F.A......
ICC_PROFILE 15 ..F.A......
S12M_TIMECOD 16 ..F.A......
DYNAMIC_HDR_PLUS 17 ..F.A......
REGIONS_OF_INTEREST 18 ..F.A......
DETECTION_BOUNDING_BOXES 22 ..F.A......
SEI_UNREGISTERED 20 ..F.A......

asoftclip AVOptions:
type <int> ..F.A....T. set softclip type (from -1 to 7) (default tanh)
hard -1 ..F.A....T.
tanh 0 ..F.A....T.
atan 1 ..F.A....T.
cubic 2 ..F.A....T.
exp 3 ..F.A....T.
alg 4 ..F.A....T.
quintic 5 ..F.A....T.
sin 6 ..F.A....T.
erf 7 ..F.A....T.
threshold <double> ..F.A....T. set softclip threshold (from 1e-006 to 1) (default 1)
output <double> ..F.A....T. set softclip output gain (from 1e-006 to 16) (default 1)
param <double> ..F.A....T. set softclip parameter (from 0.01 to 3) (default 1)
oversample <int> ..F.A....T. set oversample factor (from 1 to 64) (default 1)

aspectralstats AVOptions:
win_size <int> ..F.A...... set the window size (from 32 to 65536) (default 2048)
win_func <int> ..F.A...... set window function (from 0 to 20) (default hann)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
overlap <float> ..F.A...... set window overlap (from 0 to 1) (default 0.5)
measure <flags> ..F.A...... select the parameters which are measured (default all+mean+variance+centroid+spread+skewness+kurtosis+entropy+flatness+crest+flux+slope+decrease+rolloff)
none ..F.A......
all ..F.A......
mean ..F.A......
variance ..F.A......
centroid ..F.A......
spread ..F.A......
skewness ..F.A......
kurtosis ..F.A......
entropy ..F.A......
flatness ..F.A......
crest ..F.A......
flux ..F.A......
slope ..F.A......
decrease ..F.A......
rolloff ..F.A......

(a)split AVOptions:
outputs <int> ..FVA...... set number of outputs (from 1 to INT_MAX) (default 2)

astats AVOptions:
length <double> ..F.A...... set the window length (from 0 to 10) (default 0.05)
metadata <boolean> ..F.A...... inject metadata in the filtergraph (default false)
reset <int> ..F.A...... Set the number of frames over which cumulative stats are calculated before being reset (from 0 to INT_MAX) (default 0)
measure_perchannel <flags> ..F.A...... Select the parameters which are measured per channel (default all+Bit_depth+Crest_factor+DC_offset+Dynamic_range+Entropy+Flat_factor+Max_difference+Max_level+Mean_difference+Min_difference+Min_level+Noise_floor+Noise_floor_count+Number_of_Infs+Number_of_NaNs+Number_of_denormals+Number_of_samples+Peak_count+Peak_level+RMS_difference+RMS_level+RMS_peak+RMS_trough+Zero_crossings+Zero_crossings_rate+Abs_Peak_count)
none ..F.A......
all ..F.A......
Bit_depth ..F.A......
Crest_factor ..F.A......
DC_offset ..F.A......
Dynamic_range ..F.A......
Entropy ..F.A......
Flat_factor ..F.A......
Max_difference ..F.A......
Max_level ..F.A......
Mean_difference ..F.A......
Min_difference ..F.A......
Min_level ..F.A......
Noise_floor ..F.A......
Noise_floor_count ..F.A......
Number_of_Infs ..F.A......
Number_of_NaNs ..F.A......
Number_of_denormals ..F.A......
Number_of_samples ..F.A......
Peak_count ..F.A......
Peak_level ..F.A......
RMS_difference ..F.A......
RMS_level ..F.A......
RMS_peak ..F.A......
RMS_trough ..F.A......
Zero_crossings ..F.A......
Zero_crossings_rate ..F.A......
Abs_Peak_count ..F.A......
measure_overall <flags> ..F.A...... Select the parameters which are measured overall (default all+Bit_depth+Crest_factor+DC_offset+Dynamic_range+Entropy+Flat_factor+Max_difference+Max_level+Mean_difference+Min_difference+Min_level+Noise_floor+Noise_floor_count+Number_of_Infs+Number_of_NaNs+Number_of_denormals+Number_of_samples+Peak_count+Peak_level+RMS_difference+RMS_level+RMS_peak+RMS_trough+Zero_crossings+Zero_crossings_rate+Abs_Peak_count)
none ..F.A......
all ..F.A......
Bit_depth ..F.A......
Crest_factor ..F.A......
DC_offset ..F.A......
Dynamic_range ..F.A......
Entropy ..F.A......
Flat_factor ..F.A......
Max_difference ..F.A......
Max_level ..F.A......
Mean_difference ..F.A......
Min_difference ..F.A......
Min_level ..F.A......
Noise_floor ..F.A......
Noise_floor_count ..F.A......
Number_of_Infs ..F.A......
Number_of_NaNs ..F.A......
Number_of_denormals ..F.A......
Number_of_samples ..F.A......
Peak_count ..F.A......
Peak_level ..F.A......
RMS_difference ..F.A......
RMS_level ..F.A......
RMS_peak ..F.A......
RMS_trough ..F.A......
Zero_crossings ..F.A......
Zero_crossings_rate ..F.A......
Abs_Peak_count ..F.A......

(a)streamselect AVOptions:
inputs <int> ..FVA...... number of input streams (from 2 to INT_MAX) (default 2)
map <string> ..FVA....T. input indexes to remap to outputs

asubboost AVOptions:
dry <double> ..F.A....T. set dry gain (from 0 to 1) (default 1)
wet <double> ..F.A....T. set wet gain (from 0 to 1) (default 1)
boost <double> ..F.A....T. set max boost (from 1 to 12) (default 2)
decay <double> ..F.A....T. set decay (from 0 to 1) (default 0)
feedback <double> ..F.A....T. set feedback (from 0 to 1) (default 0.9)
cutoff <double> ..F.A....T. set cutoff (from 50 to 900) (default 100)
slope <double> ..F.A....T. set slope (from 0.0001 to 1) (default 0.5)
delay <double> ..F.A....T. set delay (from 1 to 100) (default 20)
channels <string> ..F.A....T. set channels to filter (default "all")

asubcut AVOptions:
cutoff <double> ..F.A....T. set cutoff frequency (from 2 to 200) (default 20)
order <int> ..F.A....T. set filter order (from 3 to 20) (default 10)
level <double> ..F.A....T. set input level (from 0 to 1) (default 1)

asupercut AVOptions:
cutoff <double> ..F.A....T. set cutoff frequency (from 20000 to 192000) (default 20000)
order <int> ..F.A....T. set filter order (from 3 to 20) (default 10)
level <double> ..F.A....T. set input level (from 0 to 1) (default 1)

asuperpass/asuperstop AVOptions:
centerf <double> ..F.A....T. set center frequency (from 2 to 999999) (default 1000)
order <int> ..F.A....T. set filter order (from 4 to 20) (default 4)
qfactor <double> ..F.A....T. set Q-factor (from 0.01 to 100) (default 1)
level <double> ..F.A....T. set input level (from 0 to 2) (default 1)

atempo AVOptions:
tempo <double> ..F.A....T. set tempo scale factor (from 0.5 to 100) (default 1)

atilt AVOptions:
freq <double> ..F.A....T. set central frequency (from 20 to 192000) (default 10000)
slope <double> ..F.A....T. set filter slope (from -1 to 1) (default 0)
width <double> ..F.A....T. set filter width (from 100 to 10000) (default 1000)
order <int> ..F.A....T. set filter order (from 2 to 30) (default 5)
level <double> ..F.A....T. set input level (from 0 to 4) (default 1)

atrim AVOptions:
start <duration> ..F.A...... Timestamp of the first frame that should be passed (default INT64_MAX)
starti <duration> ..F.A...... Timestamp of the first frame that should be passed (default INT64_MAX)
end <duration> ..F.A...... Timestamp of the first frame that should be dropped again (default INT64_MAX)
endi <duration> ..F.A...... Timestamp of the first frame that should be dropped again (default INT64_MAX)
start_pts <int64> ..F.A...... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN)
end_pts <int64> ..F.A...... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
duration <duration> ..F.A...... Maximum duration of the output (default 0)
durationi <duration> ..F.A...... Maximum duration of the output (default 0)
start_sample <int64> ..F.A...... Number of the first audio sample that should be passed to the output (from -1 to I64_MAX) (default -1)
end_sample <int64> ..F.A...... Number of the first audio sample that should be dropped again (from 0 to I64_MAX) (default I64_MAX)

axcorrelate AVOptions:
size <int> ..F.A...... set the segment size (from 2 to 131072) (default 256)
algo <int> ..F.A...... set the algorithm (from 0 to 2) (default best)
slow 0 ..F.A...... slow algorithm
fast 1 ..F.A...... fast algorithm
best 2 ..F.A...... best algorithm

bandpass AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
csg <boolean> ..F.A....T. use constant skirt gain (default false)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

bandreject AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

bass/lowshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 100)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 100)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

biquad AVOptions:
a0 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 1)
a1 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
a2 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
b0 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
b1 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
b2 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

channelmap AVOptions:
map <string> ..F.A...... A comma-separated list of input channel numbers in output order.
channel_layout <string> ..F.A...... Output channel layout.

channelsplit AVOptions:
channel_layout <string> ..F.A...... Input channel layout. (default "stereo")
channels <string> ..F.A...... Channels to extract. (default "all")

chorus AVOptions:
in_gain <float> ..F.A...... set input gain (from 0 to 1) (default 0.4)
out_gain <float> ..F.A...... set output gain (from 0 to 1) (default 0.4)
delays <string> ..F.A...... set delays
decays <string> ..F.A...... set decays
speeds <string> ..F.A...... set speeds
depths <string> ..F.A...... set depths

compand AVOptions:
attacks <string> ..F.A...... set time over which increase of volume is determined (default "0")
decays <string> ..F.A...... set time over which decrease of volume is determined (default "0.8")
points <string> ..F.A...... set points of transfer function (default "-70/-70|-60/-20|1/0")
soft-knee <double> ..F.A...... set soft-knee (from 0.01 to 900) (default 0.01)
gain <double> ..F.A...... set output gain (from -900 to 900) (default 0)
volume <double> ..F.A...... set initial volume (from -900 to 0) (default 0)
delay <double> ..F.A...... set delay for samples before sending them to volume adjuster (from 0 to 20) (default 0)

compensationdelay AVOptions:
mm <int> ..F.A....T. set mm distance (from 0 to 10) (default 0)
cm <int> ..F.A....T. set cm distance (from 0 to 100) (default 0)
m <int> ..F.A....T. set meter distance (from 0 to 100) (default 0)
dry <double> ..F.A....T. set dry amount (from 0 to 1) (default 0)
wet <double> ..F.A....T. set wet amount (from 0 to 1) (default 1)
temp <int> ..F.A....T. set temperature °C (from -50 to 50) (default 20)

crossfeed AVOptions:
strength <double> ..F.A....T. set crossfeed strength (from 0 to 1) (default 0.2)
range <double> ..F.A....T. set soundstage wideness (from 0 to 1) (default 0.5)
slope <double> ..F.A....T. set curve slope (from 0.01 to 1) (default 0.5)
level_in <double> ..F.A....T. set level in (from 0 to 1) (default 0.9)
level_out <double> ..F.A....T. set level out (from 0 to 1) (default 1)
block_size <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

crystalizer AVOptions:
i <float> ..F.A....T. set intensity (from -10 to 10) (default 2)
c <boolean> ..F.A....T. enable clipping (default true)

dcshift AVOptions:
shift <double> ..F.A...... set DC shift (from -1 to 1) (default 0)
limitergain <double> ..F.A...... set limiter gain (from 0 to 1) (default 0)

deesser AVOptions:
i <double> ..F.A...... set intensity (from 0 to 1) (default 0)
m <double> ..F.A...... set max deessing (from 0 to 1) (default 0.5)
f <double> ..F.A...... set frequency (from 0 to 1) (default 0.5)
s <int> ..F.A...... set output mode (from 0 to 2) (default o)
i 0 ..F.A...... input
o 1 ..F.A...... output
e 2 ..F.A...... ess

dialoguenhance AVOptions:
original <double> ..F.A....T. set original center factor (from 0 to 1) (default 1)
enhance <double> ..F.A....T. set dialogue enhance factor (from 0 to 3) (default 1)
voice <double> ..F.A....T. set voice detection factor (from 2 to 32) (default 2)

drmeter AVOptions:
length <double> ..F.A...... set the window length (from 0.01 to 10) (default 3)

dynaudnorm AVOptions:
framelen <int> ..F.A....T. set the frame length in msec (from 10 to 8000) (default 500)
f <int> ..F.A....T. set the frame length in msec (from 10 to 8000) (default 500)
gausssize <int> ..F.A....T. set the filter size (from 3 to 301) (default 31)
g <int> ..F.A....T. set the filter size (from 3 to 301) (default 31)
peak <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
p <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
maxgain <double> ..F.A....T. set the max amplification (from 1 to 100) (default 10)
m <double> ..F.A....T. set the max amplification (from 1 to 100) (default 10)
targetrms <double> ..F.A....T. set the target RMS (from 0 to 1) (default 0)
r <double> ..F.A....T. set the target RMS (from 0 to 1) (default 0)
coupling <boolean> ..F.A....T. set channel coupling (default true)
n <boolean> ..F.A....T. set channel coupling (default true)
correctdc <boolean> ..F.A....T. set DC correction (default false)
c <boolean> ..F.A....T. set DC correction (default false)
altboundary <boolean> ..F.A....T. set alternative boundary mode (default false)
b <boolean> ..F.A....T. set alternative boundary mode (default false)
compress <double> ..F.A....T. set the compress factor (from 0 to 30) (default 0)
s <double> ..F.A....T. set the compress factor (from 0 to 30) (default 0)
threshold <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
t <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
channels <string> ..F.A....T. set channels to filter (default "all")
h <string> ..F.A....T. set channels to filter (default "all")
overlap <double> ..F.A....T. set the frame overlap (from 0 to 1) (default 0)
o <double> ..F.A....T. set the frame overlap (from 0 to 1) (default 0)
curve <string> ..F.A....T. set the custom peak mapping curve
v <string> ..F.A....T. set the custom peak mapping curve

ebur128 AVOptions:
video <boolean> ..FV....... set video output (default false)
size <image_size> ..FV....... set video size (default "640x480")
meter <int> ..FV....... set scale meter (+9 to +18) (from 9 to 18) (default 9)
framelog <int> ..FVA...... force frame logging level (from INT_MIN to INT_MAX) (default -1)
quiet -8 ..FVA...... logging disabled
info 32 ..FVA...... information logging level
verbose 40 ..FVA...... verbose logging level
metadata <boolean> ..FVA...... inject metadata in the filtergraph (default false)
peak <flags> ..F.A...... set peak mode (default 0)
none ..F.A...... disable any peak mode
sample ..F.A...... enable peak-sample mode
true ..F.A...... enable true-peak mode
dualmono <boolean> ..F.A...... treat mono input files as dual-mono (default false)
panlaw <double> ..F.A...... set a specific pan law for dual-mono files (from -10 to 0) (default -3.0103)
target <int> ..FV....... set a specific target level in LUFS (-23 to 0) (from -23 to 0) (default -23)
gauge <int> ..FV....... set gauge display type (from 0 to 1) (default momentary)
momentary 0 ..FV....... display momentary value
m 0 ..FV....... display momentary value
shortterm 1 ..FV....... display short-term value
s 1 ..FV....... display short-term value
scale <int> ..FV....... sets display method for the stats (from 0 to 1) (default absolute)
absolute 0 ..FV....... display absolute values (LUFS)
LUFS 0 ..FV....... display absolute values (LUFS)
relative 1 ..FV....... display values relative to target (LU)
LU 1 ..FV....... display values relative to target (LU)
integrated <double> ..F.A.XR... integrated loudness (LUFS) (from -DBL_MAX to DBL_MAX) (default 0)
range <double> ..F.A.XR... loudness range (LU) (from -DBL_MAX to DBL_MAX) (default 0)
lra_low <double> ..F.A.XR... LRA low (LUFS) (from -DBL_MAX to DBL_MAX) (default 0)
lra_high <double> ..F.A.XR... LRA high (LUFS) (from -DBL_MAX to DBL_MAX) (default 0)
sample_peak <double> ..F.A.XR... sample peak (dBFS) (from -DBL_MAX to DBL_MAX) (default 0)
true_peak <double> ..F.A.XR... true peak (dBFS) (from -DBL_MAX to DBL_MAX) (default 0)

equalizer AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 0)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 0)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 1)
w <double> ..F.A....T. set width (from 0 to 99999) (default 1)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

extrastereo AVOptions:
m <float> ..F.A....T. set the difference coefficient (from -10 to 10) (default 2.5)
c <boolean> ..F.A....T. enable clipping (default true)

firequalizer AVOptions:
gain <string> ..F.A....T. set gain curve (default "gain_interpolate(f)")
gain_entry <string> ..F.A....T. set gain entry
delay <double> ..F.A...... set delay (from 0 to 1e+010) (default 0.01)
accuracy <double> ..F.A...... set accuracy (from 0 to 1e+010) (default 5)
wfunc <int> ..F.A...... set window function (from 0 to 9) (default hann)
rectangular 0 ..F.A...... rectangular window
hann 1 ..F.A...... hann window
hamming 2 ..F.A...... hamming window
blackman 3 ..F.A...... blackman window
nuttall3 4 ..F.A...... 3-term nuttall window
mnuttall3 5 ..F.A...... minimum 3-term nuttall window
nuttall 6 ..F.A...... nuttall window
bnuttall 7 ..F.A...... blackman-nuttall window
bharris 8 ..F.A...... blackman-harris window
tukey 9 ..F.A...... tukey window
fixed <boolean> ..F.A...... set fixed frame samples (default false)
multi <boolean> ..F.A...... set multi channels mode (default false)
zero_phase <boolean> ..F.A...... set zero phase mode (default false)
scale <int> ..F.A...... set gain scale (from 0 to 3) (default linlog)
linlin 0 ..F.A...... linear-freq linear-gain
linlog 1 ..F.A...... linear-freq logarithmic-gain
loglin 2 ..F.A...... logarithmic-freq linear-gain
loglog 3 ..F.A...... logarithmic-freq logarithmic-gain
dumpfile <string> ..F.A...... set dump file
dumpscale <int> ..F.A...... set dump scale (from 0 to 3) (default linlog)
linlin 0 ..F.A...... linear-freq linear-gain
linlog 1 ..F.A...... linear-freq logarithmic-gain
loglin 2 ..F.A...... logarithmic-freq linear-gain
loglog 3 ..F.A...... logarithmic-freq logarithmic-gain
fft2 <boolean> ..F.A...... set 2-channels fft (default false)
min_phase <boolean> ..F.A...... set minimum phase mode (default false)

flanger AVOptions:
delay <double> ..F.A...... base delay in milliseconds (from 0 to 30) (default 0)
depth <double> ..F.A...... added swept delay in milliseconds (from 0 to 10) (default 2)
regen <double> ..F.A...... percentage regeneration (delayed signal feedback) (from -95 to 95) (default 0)
width <double> ..F.A...... percentage of delayed signal mixed with original (from 0 to 100) (default 71)
speed <double> ..F.A...... sweeps per second (Hz) (from 0.1 to 10) (default 0.5)
shape <int> ..F.A...... swept wave shape (from 0 to 1) (default sinusoidal)
triangular 1 ..F.A......
t 1 ..F.A......
sinusoidal 0 ..F.A......
s 0 ..F.A......
phase <double> ..F.A...... swept wave percentage phase-shift for multi-channel (from 0 to 100) (default 25)
interp <int> ..F.A...... delay-line interpolation (from 0 to 1) (default linear)
linear 0 ..F.A......
quadratic 1 ..F.A......

haas AVOptions:
level_in <double> ..F.A...... set level in (from 0.015625 to 64) (default 1)
level_out <double> ..F.A...... set level out (from 0.015625 to 64) (default 1)
side_gain <double> ..F.A...... set side gain (from 0.015625 to 64) (default 1)
middle_source <int> ..F.A...... set middle source (from 0 to 3) (default mid)
left 0 ..F.A......
right 1 ..F.A......
mid 2 ..F.A...... L+R
side 3 ..F.A...... L-R
middle_phase <boolean> ..F.A...... set middle phase (default false)
left_delay <double> ..F.A...... set left delay (from 0 to 40) (default 2.05)
left_balance <double> ..F.A...... set left balance (from -1 to 1) (default -1)
left_gain <double> ..F.A...... set left gain (from 0.015625 to 64) (default 1)
left_phase <boolean> ..F.A...... set left phase (default false)
right_delay <double> ..F.A...... set right delay (from 0 to 40) (default 2.12)
right_balance <double> ..F.A...... set right balance (from -1 to 1) (default 1)
right_gain <double> ..F.A...... set right gain (from 0.015625 to 64) (default 1)
right_phase <boolean> ..F.A...... set right phase (default true)

hdcd AVOptions:
disable_autoconvert <boolean> ..F.A...... Disable any format conversion or resampling in the filter graph. (default true)
process_stereo <boolean> ..F.A...... Process stereo channels together. Only apply target_gain when both channels match. (default true)
cdt_ms <int> ..F.A...... Code detect timer period in ms. (from 100 to 60000) (default 2000)
force_pe <boolean> ..F.A...... Always extend peaks above -3dBFS even when PE is not signaled. (default false)
analyze_mode <int> ..F.A...... Replace audio with solid tone and signal some processing aspect in the amplitude. (from 0 to 4) (default off)
off 0 ..F.A...... disabled
lle 1 ..F.A...... gain adjustment level at each sample
pe 2 ..F.A...... samples where peak extend occurs
cdt 3 ..F.A...... samples where the code detect timer is active
tgm 4 ..F.A...... samples where the target gain does not match between channels
bits_per_sample <int> ..F.A...... Valid bits per sample (location of the true LSB). (from 16 to 24) (default 16)
16 16 ..F.A...... 16-bit (in s32 or s16)
20 20 ..F.A...... 20-bit (in s32)
24 24 ..F.A...... 24-bit (in s32)

headphone AVOptions:
map <string> ..F.A...... set channels convolution mappings
gain <float> ..F.A...... set gain in dB (from -20 to 40) (default 0)
lfe <float> ..F.A...... set lfe gain in dB (from -20 to 40) (default 0)
type <int> ..F.A...... set processing (from 0 to 1) (default freq)
time 0 ..F.A...... time domain
freq 1 ..F.A...... frequency domain
size <int> ..F.A...... set frame size (from 1024 to 96000) (default 1024)
hrir <int> ..F.A...... set hrir format (from 0 to 1) (default stereo)
stereo 0 ..F.A...... hrir files have exactly 2 channels
multich 1 ..F.A...... single multichannel hrir file

highpass AVOptions:
frequency <double> ..F.A....T. set frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

treble/high/tiltshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

join AVOptions:
inputs <int> ..F.A...... Number of input streams. (from 1 to INT_MAX) (default 2)
channel_layout <string> ..F.A...... Channel layout of the output stream. (default "stereo")
map <string> ..F.A...... A comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel.

loudnorm AVOptions:
I <double> ..F.A...... set integrated loudness target (from -70 to -5) (default -24)
i <double> ..F.A...... set integrated loudness target (from -70 to -5) (default -24)
LRA <double> ..F.A...... set loudness range target (from 1 to 50) (default 7)
lra <double> ..F.A...... set loudness range target (from 1 to 50) (default 7)
TP <double> ..F.A...... set maximum true peak (from -9 to 0) (default -2)
tp <double> ..F.A...... set maximum true peak (from -9 to 0) (default -2)
measured_I <double> ..F.A...... measured IL of input file (from -99 to 0) (default 0)
measured_i <double> ..F.A...... measured IL of input file (from -99 to 0) (default 0)
measured_LRA <double> ..F.A...... measured LRA of input file (from 0 to 99) (default 0)
measured_lra <double> ..F.A...... measured LRA of input file (from 0 to 99) (default 0)
measured_TP <double> ..F.A...... measured true peak of input file (from -99 to 99) (default 99)
measured_tp <double> ..F.A...... measured true peak of input file (from -99 to 99) (default 99)
measured_thresh <double> ..F.A...... measured threshold of input file (from -99 to 0) (default -70)
offset <double> ..F.A...... set offset gain (from -99 to 99) (default 0)
linear <boolean> ..F.A...... normalize linearly if possible (default true)
dual_mono <boolean> ..F.A...... treat mono input as dual-mono (default false)
print_format <int> ..F.A...... set print format for stats (from 0 to 2) (default none)
none 0 ..F.A......
json 1 ..F.A......
summary 2 ..F.A......

lowpass AVOptions:
frequency <double> ..F.A....T. set frequency (from 0 to 999999) (default 500)
f <double> ..F.A....T. set frequency (from 0 to 999999) (default 500)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)

mcompand AVOptions:
args <string> ..F.A...... set parameters for each band (default "0.005,0.1 6 -47/-40,-34/-34,-17/-33 100 | 0.003,0.05 6 -47/-40,-34/-34,-17/-33 400 | 0.000625,0.0125 6 -47/-40,-34/-34,-15/-33 1600 | 0.0001,0.025 6 -47/-40,-34/-34,-31/-31,-0/-30 6400 | 0,0.025 6 -38/-31,-28/-28,-0/-25 22000")

pan AVOptions:
args <string> ..F.A......

replaygain AVOptions:
track_gain <float> ..F.A.XR... track gain (dB) (from -FLT_MAX to FLT_MAX) (default 0)
track_peak <float> ..F.A.XR... track peak (from -FLT_MAX to FLT_MAX) (default 0)

silencedetect AVOptions:
n <double> ..F.A...... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
noise <double> ..F.A...... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
d <duration> ..F.A...... set minimum duration in seconds (default 2)
duration <duration> ..F.A...... set minimum duration in seconds (default 2)
mono <boolean> ..F.A...... check each channel separately (default false)
m <boolean> ..F.A...... check each channel separately (default false)

silenceremove AVOptions:
start_periods <int> ..F.A...... set periods of silence parts to skip from start (from 0 to 9000) (default 0)
start_duration <duration> ..F.A...... set start duration of non-silence part (default 0)
start_threshold <double> ..F.A....T. set threshold for start silence detection (from 0 to DBL_MAX) (default 0)
start_silence <duration> ..F.A...... set start duration of silence part to keep (default 0)
start_mode <int> ..F.A....T. set which channel will trigger trimming from start (from 0 to 1) (default any)
any 0 ..F.A....T.
all 1 ..F.A....T.
stop_periods <int> ..F.A...... set periods of silence parts to skip from end (from -9000 to 9000) (default 0)
stop_duration <duration> ..F.A...... set stop duration of silence part (default 0)
stop_threshold <double> ..F.A....T. set threshold for stop silence detection (from 0 to DBL_MAX) (default 0)
stop_silence <duration> ..F.A...... set stop duration of silence part to keep (default 0)
stop_mode <int> ..F.A....T. set which channel will trigger trimming from end (from 0 to 1) (default all)
any 0 ..F.A....T.
all 1 ..F.A....T.
detection <int> ..F.A...... set how silence is detected (from 0 to 5) (default rms)
avg 0 ..F.A...... use mean absolute values of samples
rms 1 ..F.A...... use root mean squared values of samples
peak 2 ..F.A...... use max absolute values of samples
median 3 ..F.A...... use median of absolute values of samples
ptp 4 ..F.A...... use absolute of max peak to min peak difference
dev 5 ..F.A...... use standard deviation from values of samples
window <duration> ..F.A...... set duration of window for silence detection (default 0.02)
timestamp <int> ..F.A...... set how every output frame timestamp is processed (from 0 to 1) (default write)
write 0 ..F.A...... full timestamps rewrite, keep only the start time
copy 1 ..F.A...... non-dropped frames are left with same timestamp

speechnorm AVOptions:
peak <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
p <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
expansion <double> ..F.A....T. set the max expansion factor (from 1 to 50) (default 2)
e <double> ..F.A....T. set the max expansion factor (from 1 to 50) (default 2)
compression <double> ..F.A....T. set the max compression factor (from 1 to 50) (default 2)
c <double> ..F.A....T. set the max compression factor (from 1 to 50) (default 2)
threshold <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
t <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
raise <double> ..F.A....T. set the expansion raising amount (from 0 to 1) (default 0.001)
r <double> ..F.A....T. set the expansion raising amount (from 0 to 1) (default 0.001)
fall <double> ..F.A....T. set the compression raising amount (from 0 to 1) (default 0.001)
f <double> ..F.A....T. set the compression raising amount (from 0 to 1) (default 0.001)
channels <string> ..F.A....T. set channels to filter (default "all")
h <string> ..F.A....T. set channels to filter (default "all")
invert <boolean> ..F.A....T. set inverted filtering (default false)
i <boolean> ..F.A....T. set inverted filtering (default false)
link <boolean> ..F.A....T. set linked channels filtering (default false)
l <boolean> ..F.A....T. set linked channels filtering (default false)
rms <double> ..F.A....T. set the RMS value (from 0 to 1) (default 0)
m <double> ..F.A....T. set the RMS value (from 0 to 1) (default 0)

stereotools AVOptions:
level_in <double> ..F.A....T. set level in (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set level out (from 0.015625 to 64) (default 1)
balance_in <double> ..F.A....T. set balance in (from -1 to 1) (default 0)
balance_out <double> ..F.A....T. set balance out (from -1 to 1) (default 0)
softclip <boolean> ..F.A....T. enable softclip (default false)
mutel <boolean> ..F.A....T. mute L (default false)
muter <boolean> ..F.A....T. mute R (default false)
phasel <boolean> ..F.A....T. phase L (default false)
phaser <boolean> ..F.A....T. phase R (default false)
mode <int> ..F.A....T. set stereo mode (from 0 to 10) (default lr>lr)
lr>lr 0 ..F.A....T.
lr>ms 1 ..F.A....T.
ms>lr 2 ..F.A....T.
lr>ll 3 ..F.A....T.
lr>rr 4 ..F.A....T.
lr>l+r 5 ..F.A....T.
lr>rl 6 ..F.A....T.
ms>ll 7 ..F.A....T.
ms>rr 8 ..F.A....T.
ms>rl 9 ..F.A....T.
lr>l-r 10 ..F.A....T.
slev <double> ..F.A....T. set side level (from 0.015625 to 64) (default 1)
sbal <double> ..F.A....T. set side balance (from -1 to 1) (default 0)
mlev <double> ..F.A....T. set middle level (from 0.015625 to 64) (default 1)
mpan <double> ..F.A....T. set middle pan (from -1 to 1) (default 0)
base <double> ..F.A....T. set stereo base (from -1 to 1) (default 0)
delay <double> ..F.A....T. set delay (from -20 to 20) (default 0)
sclevel <double> ..F.A....T. set S/C level (from 1 to 100) (default 1)
phase <double> ..F.A....T. set stereo phase (from 0 to 360) (default 0)
bmode_in <int> ..F.A....T. set balance in mode (from 0 to 2) (default balance)
balance 0 ..F.A....T.
amplitude 1 ..F.A....T.
power 2 ..F.A....T.
bmode_out <int> ..F.A....T. set balance out mode (from 0 to 2) (default balance)
balance 0 ..F.A....T.
amplitude 1 ..F.A....T.
power 2 ..F.A....T.

stereowiden AVOptions:
delay <float> ..F.A...... set delay time (from 1 to 100) (default 20)
feedback <float> ..F.A....T. set feedback gain (from 0 to 0.9) (default 0.3)
crossfeed <float> ..F.A....T. set cross feed (from 0 to 0.8) (default 0.3)
drymix <float> ..F.A....T. set dry-mix (from 0 to 1) (default 0.8)

superequalizer AVOptions:
1b <float> ..F.A...... set 65Hz band gain (from 0 to 20) (default 1)
2b <float> ..F.A...... set 92Hz band gain (from 0 to 20) (default 1)
3b <float> ..F.A...... set 131Hz band gain (from 0 to 20) (default 1)
4b <float> ..F.A...... set 185Hz band gain (from 0 to 20) (default 1)
5b <float> ..F.A...... set 262Hz band gain (from 0 to 20) (default 1)
6b <float> ..F.A...... set 370Hz band gain (from 0 to 20) (default 1)
7b <float> ..F.A...... set 523Hz band gain (from 0 to 20) (default 1)
8b <float> ..F.A...... set 740Hz band gain (from 0 to 20) (default 1)
9b <float> ..F.A...... set 1047Hz band gain (from 0 to 20) (default 1)
10b <float> ..F.A...... set 1480Hz band gain (from 0 to 20) (default 1)
11b <float> ..F.A...... set 2093Hz band gain (from 0 to 20) (default 1)
12b <float> ..F.A...... set 2960Hz band gain (from 0 to 20) (default 1)
13b <float> ..F.A...... set 4186Hz band gain (from 0 to 20) (default 1)
14b <float> ..F.A...... set 5920Hz band gain (from 0 to 20) (default 1)
15b <float> ..F.A...... set 8372Hz band gain (from 0 to 20) (default 1)
16b <float> ..F.A...... set 11840Hz band gain (from 0 to 20) (default 1)
17b <float> ..F.A...... set 16744Hz band gain (from 0 to 20) (default 1)
18b <float> ..F.A...... set 20000Hz band gain (from 0 to 20) (default 1)

surround AVOptions:
chl_out <string> ..F.A...... set output channel layout (default "5.1")
chl_in <string> ..F.A...... set input channel layout (default "stereo")
level_in <float> ..F.A....T. set input level (from 0 to 10) (default 1)
level_out <float> ..F.A....T. set output level (from 0 to 10) (default 1)
lfe <boolean> ..F.A....T. output LFE (default true)
lfe_low <int> ..F.A...... LFE low cut off (from 0 to 256) (default 128)
lfe_high <int> ..F.A...... LFE high cut off (from 0 to 512) (default 256)
lfe_mode <int> ..F.A....T. set LFE channel mode (from 0 to 1) (default add)
add 0 ..F.A....T. just add LFE channel
sub 1 ..F.A....T. substract LFE channel with others
smooth <float> ..F.A....T. set temporal smoothness strength (from 0 to 1) (default 0)
angle <float> ..F.A....T. set soundfield transform angle (from 0 to 360) (default 90)
focus <float> ..F.A....T. set soundfield transform focus (from -1 to 1) (default 0)
fc_in <float> ..F.A....T. set front center channel input level (from 0 to 10) (default 1)
fc_out <float> ..F.A....T. set front center channel output level (from 0 to 10) (default 1)
fl_in <float> ..F.A....T. set front left channel input level (from 0 to 10) (default 1)
fl_out <float> ..F.A....T. set front left channel output level (from 0 to 10) (default 1)
fr_in <float> ..F.A....T. set front right channel input level (from 0 to 10) (default 1)
fr_out <float> ..F.A....T. set front right channel output level (from 0 to 10) (default 1)
sl_in <float> ..F.A....T. set side left channel input level (from 0 to 10) (default 1)
sl_out <float> ..F.A....T. set side left channel output level (from 0 to 10) (default 1)
sr_in <float> ..F.A....T. set side right channel input level (from 0 to 10) (default 1)
sr_out <float> ..F.A....T. set side right channel output level (from 0 to 10) (default 1)
bl_in <float> ..F.A....T. set back left channel input level (from 0 to 10) (default 1)
bl_out <float> ..F.A....T. set back left channel output level (from 0 to 10) (default 1)
br_in <float> ..F.A....T. set back right channel input level (from 0 to 10) (default 1)
br_out <float> ..F.A....T. set back right channel output level (from 0 to 10) (default 1)
bc_in <float> ..F.A....T. set back center channel input level (from 0 to 10) (default 1)
bc_out <float> ..F.A....T. set back center channel output level (from 0 to 10) (default 1)
lfe_in <float> ..F.A....T. set lfe channel input level (from 0 to 10) (default 1)
lfe_out <float> ..F.A....T. set lfe channel output level (from 0 to 10) (default 1)
allx <float> ..F.A....T. set all channel's x spread (from -1 to 15) (default -1)
ally <float> ..F.A....T. set all channel's y spread (from -1 to 15) (default -1)
fcx <float> ..F.A....T. set front center channel x spread (from 0.06 to 15) (default 0.5)
flx <float> ..F.A....T. set front left channel x spread (from 0.06 to 15) (default 0.5)
frx <float> ..F.A....T. set front right channel x spread (from 0.06 to 15) (default 0.5)
blx <float> ..F.A....T. set back left channel x spread (from 0.06 to 15) (default 0.5)
brx <float> ..F.A....T. set back right channel x spread (from 0.06 to 15) (default 0.5)
slx <float> ..F.A....T. set side left channel x spread (from 0.06 to 15) (default 0.5)
srx <float> ..F.A....T. set side right channel x spread (from 0.06 to 15) (default 0.5)
bcx <float> ..F.A....T. set back center channel x spread (from 0.06 to 15) (default 0.5)
fcy <float> ..F.A....T. set front center channel y spread (from 0.06 to 15) (default 0.5)
fly <float> ..F.A....T. set front left channel y spread (from 0.06 to 15) (default 0.5)
fry <float> ..F.A....T. set front right channel y spread (from 0.06 to 15) (default 0.5)
bly <float> ..F.A....T. set back left channel y spread (from 0.06 to 15) (default 0.5)
bry <float> ..F.A....T. set back right channel y spread (from 0.06 to 15) (default 0.5)
sly <float> ..F.A....T. set side left channel y spread (from 0.06 to 15) (default 0.5)
sry <float> ..F.A....T. set side right channel y spread (from 0.06 to 15) (default 0.5)
bcy <float> ..F.A....T. set back center channel y spread (from 0.06 to 15) (default 0.5)
win_size <int> ..F.A...... set window size (from 1024 to 65536) (default 4096)
win_func <int> ..F.A...... set window function (from 0 to 20) (default hann)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
overlap <float> ..F.A....T. set window overlap (from 0 to 1) (default 0.5)

tremolo AVOptions:
f <double> ..F.A...... set frequency in hertz (from 0.1 to 20000) (default 5)
d <double> ..F.A...... set depth as percentage (from 0 to 1) (default 0.5)

vibrato AVOptions:
f <double> ..F.A...... set frequency in hertz (from 0.1 to 20000) (default 5)
d <double> ..F.A...... set depth as percentage (from 0 to 1) (default 0.5)

virtualbass AVOptions:
cutoff <double> ..F.A...... set virtual bass cutoff (from 100 to 500) (default 250)
strength <double> ..F.A....T. set virtual bass strength (from 0.5 to 3) (default 3)

volume AVOptions:
volume <string> ..F.A....T. set volume adjustment expression (default "1.0")
precision <int> ..F.A...... select mathematical precision (from 0 to 2) (default float)
fixed 0 ..F.A...... select 8-bit fixed-point
float 1 ..F.A...... select 32-bit floating-point
double 2 ..F.A...... select 64-bit floating-point
eval <int> ..F.A...... specify when to evaluate expressions (from 0 to 1) (default once)
once 0 ..F.A...... eval volume expression once
frame 1 ..F.A...... eval volume expression per-frame
replaygain <int> ..F.A...... Apply replaygain side data when present (from 0 to 3) (default drop)
drop 0 ..F.A...... replaygain side data is dropped
ignore 1 ..F.A...... replaygain side data is ignored
track 2 ..F.A...... track gain is preferred
album 3 ..F.A...... album gain is preferred
replaygain_preamp <double> ..F.A...... Apply replaygain pre-amplification (from -15 to 15) (default 0)
replaygain_noclip <boolean> ..F.A...... Apply replaygain clipping prevention (default true)

aevalsrc AVOptions:
exprs <string> ..F.A...... set the '|'-separated list of channels expressions
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
sample_rate <string> ..F.A...... set the sample rate (default "44100")
s <string> ..F.A...... set the sample rate (default "44100")
duration <duration> ..F.A...... set audio duration (default -0.000001)
d <duration> ..F.A...... set audio duration (default -0.000001)
channel_layout <string> ..F.A...... set channel layout
c <string> ..F.A...... set channel layout

afdelaysrc AVOptions:
delay <double> ..F.A...... set fractional delay (from 0 to 32767) (default 0)
d <double> ..F.A...... set fractional delay (from 0 to 32767) (default 0)
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
taps <int> ..F.A...... set number of taps for delay filter (from 0 to 32768) (default 0)
t <int> ..F.A...... set number of taps for delay filter (from 0 to 32768) (default 0)
channel_layout <string> ..F.A...... set channel layout (default "stereo")
c <string> ..F.A...... set channel layout (default "stereo")

afireqsrc AVOptions:
preset <int> ..F.A...... set equalizer preset (from -1 to 17) (default flat)
custom -1 ..F.A......
flat 0 ..F.A......
acoustic 1 ..F.A......
bass 2 ..F.A......
beats 3 ..F.A......
classic 4 ..F.A......
clear 5 ..F.A......
deep bass 6 ..F.A......
dubstep 7 ..F.A......
electronic 8 ..F.A......
hardstyle 9 ..F.A......
hip-hop 10 ..F.A......
jazz 11 ..F.A......
metal 12 ..F.A......
movie 13 ..F.A......
pop 14 ..F.A......
r&b 15 ..F.A......
rock 16 ..F.A......
vocal booster 17 ..F.A......
p <int> ..F.A...... set equalizer preset (from -1 to 17) (default flat)
custom -1 ..F.A......
flat 0 ..F.A......
acoustic 1 ..F.A......
bass 2 ..F.A......
beats 3 ..F.A......
classic 4 ..F.A......
clear 5 ..F.A......
deep bass 6 ..F.A......
dubstep 7 ..F.A......
electronic 8 ..F.A......
hardstyle 9 ..F.A......
hip-hop 10 ..F.A......
jazz 11 ..F.A......
metal 12 ..F.A......
movie 13 ..F.A......
pop 14 ..F.A......
r&b 15 ..F.A......
rock 16 ..F.A......
vocal booster 17 ..F.A......
gains <string> ..F.A...... set gain values per band (default "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0")
g <string> ..F.A...... set gain values per band (default "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0")
bands <string> ..F.A...... set central frequency values per band (default "25 40 63 100 160 250 400 630 1000 1600 2500 4000 6300 10000 16000 24000")
b <string> ..F.A...... set central frequency values per band (default "25 40 63 100 160 250 400 630 1000 1600 2500 4000 6300 10000 16000 24000")
taps <int> ..F.A...... set number of taps (from 16 to 65535) (default 4096)
t <int> ..F.A...... set number of taps (from 16 to 65535) (default 4096)
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
interp <int> ..F.A...... set the interpolation (from 0 to 1) (default linear)
linear 0 ..F.A......
cubic 1 ..F.A......
i <int> ..F.A...... set the interpolation (from 0 to 1) (default linear)
linear 0 ..F.A......
cubic 1 ..F.A......
phase <int> ..F.A...... set the phase (from 0 to 1) (default min)
linear 0 ..F.A...... linear phase
min 1 ..F.A...... minimum phase
h <int> ..F.A...... set the phase (from 0 to 1) (default min)
linear 0 ..F.A...... linear phase
min 1 ..F.A...... minimum phase

afirsrc AVOptions:
taps <int> ..F.A...... set number of taps (from 9 to 65535) (default 1025)
t <int> ..F.A...... set number of taps (from 9 to 65535) (default 1025)
frequency <string> ..F.A...... set frequency points (default "0 1")
f <string> ..F.A...... set frequency points (default "0 1")
magnitude <string> ..F.A...... set magnitude values (default "1 1")
m <string> ..F.A...... set magnitude values (default "1 1")
phase <string> ..F.A...... set phase values (default "0 0")
p <string> ..F.A...... set phase values (default "0 0")
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
win_func <int> ..F.A...... set window function (from 0 to 20) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
w <int> ..F.A...... set window function (from 0 to 20) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser

anoisesrc AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 15 to INT_MAX) (default 48000)
r <int> ..F.A...... set sample rate (from 15 to INT_MAX) (default 48000)
amplitude <double> ..F.A...... set amplitude (from 0 to 1) (default 1)
a <double> ..F.A...... set amplitude (from 0 to 1) (default 1)
duration <duration> ..F.A...... set duration (default 0)
d <duration> ..F.A...... set duration (default 0)
color <int> ..F.A...... set noise color (from 0 to 5) (default white)
white 0 ..F.A......
pink 1 ..F.A......
brown 2 ..F.A......
blue 3 ..F.A......
violet 4 ..F.A......
velvet 5 ..F.A......
colour <int> ..F.A...... set noise color (from 0 to 5) (default white)
white 0 ..F.A......
pink 1 ..F.A......
brown 2 ..F.A......
blue 3 ..F.A......
violet 4 ..F.A......
velvet 5 ..F.A......
c <int> ..F.A...... set noise color (from 0 to 5) (default white)
white 0 ..F.A......
pink 1 ..F.A......
brown 2 ..F.A......
blue 3 ..F.A......
violet 4 ..F.A......
velvet 5 ..F.A......
seed <int64> ..F.A...... set random seed (from -1 to UINT32_MAX) (default -1)
s <int64> ..F.A...... set random seed (from -1 to UINT32_MAX) (default -1)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
density <double> ..F.A...... set density (from 0 to 1) (default 0.05)

anullsrc AVOptions:
channel_layout <string> ..F.A...... set channel_layout (default "stereo")
cl <string> ..F.A...... set channel_layout (default "stereo")
sample_rate <string> ..F.A...... set sample rate (default "44100")
r <string> ..F.A...... set sample rate (default "44100")
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to 65535) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to 65535) (default 1024)
duration <duration> ..F.A...... set the audio duration (default -0.000001)
d <duration> ..F.A...... set the audio duration (default -0.000001)

hilbert AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
taps <int> ..F.A...... set number of taps (from 11 to 65535) (default 22051)
t <int> ..F.A...... set number of taps (from 11 to 65535) (default 22051)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
win_func <int> ..F.A...... set window function (from 0 to 20) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
w <int> ..F.A...... set window function (from 0 to 20) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser

sinc AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
hp <float> ..F.A...... set high-pass filter frequency (from 0 to INT_MAX) (default 0)
lp <float> ..F.A...... set low-pass filter frequency (from 0 to INT_MAX) (default 0)
phase <float> ..F.A...... set filter phase response (from 0 to 100) (default 50)
beta <float> ..F.A...... set kaiser window beta (from -1 to 256) (default -1)
att <float> ..F.A...... set stop-band attenuation (from 40 to 180) (default 120)
round <boolean> ..F.A...... enable rounding (default false)
hptaps <int> ..F.A...... set number of taps for high-pass filter (from 0 to 32768) (default 0)
lptaps <int> ..F.A...... set number of taps for low-pass filter (from 0 to 32768) (default 0)

sine AVOptions:
frequency <double> ..F.A...... set the sine frequency (from 0 to DBL_MAX) (default 440)
f <double> ..F.A...... set the sine frequency (from 0 to DBL_MAX) (default 440)
beep_factor <double> ..F.A...... set the beep frequency factor (from 0 to DBL_MAX) (default 0)
b <double> ..F.A...... set the beep frequency factor (from 0 to DBL_MAX) (default 0)
sample_rate <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
duration <duration> ..F.A...... set the audio duration (default 0)
d <duration> ..F.A...... set the audio duration (default 0)
samples_per_frame <string> ..F.A...... set the number of samples per frame (default "1024")

addroi AVOptions:
x <string> ..FV....... Region distance from left edge of frame. (default "0")
y <string> ..FV....... Region distance from top edge of frame. (default "0")
w <string> ..FV....... Region width. (default "0")
h <string> ..FV....... Region height. (default "0")
qoffset <rational> ..FV....... Quantisation offset to apply in the region. (from -1 to 1) (default -1/10)
clear <boolean> ..FV....... Remove any existing regions of interest before adding the new one. (default false)

alphamerge AVOptions:

framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
ts_sync_mode <int> ..FV....... How strictly to sync streams based on secondary input timestamps (from 0 to 1) (default default)
default 0 ..FV....... Frame from secondary input with the nearest lower or equal timestamp to the primary input frame
nearest 1 ..FV....... Frame from secondary input with the absolute nearest timestamp to the primary input frame

amplify AVOptions:
radius <int> ..FV....... set radius (from 1 to 63) (default 2)
factor <float> ..FV.....T. set factor (from 0 to 65535) (default 2)
threshold <float> ..FV.....T. set threshold (from 0 to 65535) (default 10)
tolerance <float> ..FV.....T. set tolerance (from 0 to 65535) (default 0)
low <float> ..FV.....T. set low limit for amplification (from 0 to 65535) (default 65535)
high <float> ..FV.....T. set high limit for amplification (from 0 to 65535) (default 65535)
planes <flags> ..FV.....T. set what planes to filter (default 7)

ass AVOptions:
filename <string> ..FV....... set the filename of file to read
f <string> ..FV....... set the filename of file to read
original_size <image_size> ..FV....... set the size of the original video (used to scale fonts)
fontsdir <string> ..FV....... set the directory containing the fonts to read
alpha <boolean> ..FV....... enable processing of alpha channel (default false)
fontname <string> ..FV....... set the fontname
subdelay <double> ..FV....... set delay (from INT_MIN to INT_MAX) (default 0)
shaping <int> ..FV....... set shaping engine (from -1 to 1) (default auto)
auto -1 ..FV.......
simple 0 ..FV....... simple shaping
complex 1 ..FV....... complex shaping

atadenoise AVOptions:
0a <float> ..FV.....T. set threshold A for 1st plane (from 0 to 0.3) (default 0.02)
0b <float> ..FV.....T. set threshold B for 1st plane (from 0 to 5) (default 0.04)
1a <float> ..FV.....T. set threshold A for 2nd plane (from 0 to 0.3) (default 0.02)
1b <float> ..FV.....T. set threshold B for 2nd plane (from 0 to 5) (default 0.04)
2a <float> ..FV.....T. set threshold A for 3rd plane (from 0 to 0.3) (default 0.02)
2b <float> ..FV.....T. set threshold B for 3rd plane (from 0 to 5) (default 0.04)
s <int> ..FV....... set how many frames to use (from 5 to 129) (default 9)
p <flags> ..FV.....T. set what planes to filter (default 7)
a <int> ..FV.....T. set variant of algorithm (from 0 to 1) (default p)
p 0 ..FV.....T. parallel
s 1 ..FV.....T. serial
0s <float> ..FV.....T. set sigma for 1st plane (from 0 to 32767) (default 32767)
1s <float> ..FV.....T. set sigma for 2nd plane (from 0 to 32767) (default 32767)
2s <float> ..FV.....T. set sigma for 3rd plane (from 0 to 32767) (default 32767)

avgblur AVOptions:
sizeX <int> ..FV.....T. set horizontal size (from 1 to 1024) (default 1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
sizeY <int> ..FV.....T. set vertical size (from 0 to 1024) (default 0)

backgroundkey AVOptions:
threshold <float> ..FV.....T. set the scene change threshold (from 0 to 1) (default 0.08)
similarity <float> ..FV.....T. set the similarity (from 0 to 1) (default 0.1)
blend <float> ..FV.....T. set the blend value (from 0 to 1) (default 0)

bbox AVOptions:
min_val <int> ..FV.....T. set minimum luminance value for bounding box (from 0 to 65535) (default 16)

bench AVOptions:
action <int> ..FV....... set action (from 0 to 1) (default start)
start 0 ..FV....... start timer
stop 1 ..FV....... stop timer

bilateral AVOptions:
sigmaS <float> ..FV.....T. set spatial sigma (from 0 to 512) (default 0.1)
sigmaR <float> ..FV.....T. set range sigma (from 0 to 1) (default 0.1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 1)

bitplanenoise AVOptions:
bitplane <int> ..FV....... set bit plane to use for measuring noise (from 1 to 16) (default 1)
filter <boolean> ..FV....... show noisy pixels (default false)

blackdetect AVOptions:
d <double> ..FV....... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
black_min_duration <double> ..FV....... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
picture_black_ratio_th <double> ..FV....... set the picture black ratio threshold (from 0 to 1) (default 0.98)
pic_th <double> ..FV....... set the picture black ratio threshold (from 0 to 1) (default 0.98)
pixel_black_th <double> ..FV....... set the pixel black threshold (from 0 to 1) (default 0.1)
pix_th <double> ..FV....... set the pixel black threshold (from 0 to 1) (default 0.1)

blackframe AVOptions:
amount <int> ..FV....... percentage of the pixels that have to be below the threshold for the frame to be considered black (from 0 to 100) (default 98)
threshold <int> ..FV....... threshold below which a pixel value is considered black (from 0 to 255) (default 32)
thresh <int> ..FV....... threshold below which a pixel value is considered black (from 0 to 255) (default 32)

blend AVOptions:
c0_mode <int> ..FV.....T. set component #0 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c1_mode <int> ..FV.....T. set component #1 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c2_mode <int> ..FV.....T. set component #2 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c3_mode <int> ..FV.....T. set component #3 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
all_mode <int> ..FV.....T. set blend mode for all components (from -1 to 39) (default -1)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c0_expr <string> ..FV.....T. set color component #0 expression
c1_expr <string> ..FV.....T. set color component #1 expression
c2_expr <string> ..FV.....T. set color component #2 expression
c3_expr <string> ..FV.....T. set color component #3 expression
all_expr <string> ..FV.....T. set expression for all color components
c0_opacity <double> ..FV.....T. set color component #0 opacity (from 0 to 1) (default 1)
c1_opacity <double> ..FV.....T. set color component #1 opacity (from 0 to 1) (default 1)
c2_opacity <double> ..FV.....T. set color component #2 opacity (from 0 to 1) (default 1)
c3_opacity <double> ..FV.....T. set color component #3 opacity (from 0 to 1) (default 1)
all_opacity <double> ..FV.....T. set opacity for all color components (from 0 to 1) (default 1)

blockdetect AVOptions:
period_min <int> ..FV....... Minimum period to search for (from 2 to 32) (default 3)
period_max <int> ..FV....... Maximum period to search for (from 2 to 64) (default 24)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 1)

blurdetect AVOptions:
high <float> ..FV....... set high threshold (from 0 to 1) (default 0.117647)
low <float> ..FV....... set low threshold (from 0 to 1) (default 0.0588235)
radius <int> ..FV....... search radius for maxima detection (from 1 to 100) (default 50)
block_pct <int> ..FV....... block pooling threshold when calculating blurriness (from 1 to 100) (default 80)
block_width <int> ..FV....... block size for block-based abbreviation of blurriness (from -1 to INT_MAX) (default -1)
block_height <int> ..FV....... block size for block-based abbreviation of blurriness (from -1 to INT_MAX) (default -1)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 1)

bm3d AVOptions:
sigma <float> ..FV....... set denoising strength (from 0 to 99999.9) (default 1)
block <int> ..FV....... set size of local patch (from 8 to 64) (default 16)
bstep <int> ..FV....... set sliding step for processing blocks (from 1 to 64) (default 4)
group <int> ..FV....... set maximal number of similar blocks (from 1 to 256) (default 1)
range <int> ..FV....... set block matching range (from 1 to INT_MAX) (default 9)
mstep <int> ..FV....... set step for block matching (from 1 to 64) (default 1)
thmse <float> ..FV....... set threshold of mean square error for block matching (from 0 to INT_MAX) (default 0)
hdthr <float> ..FV....... set hard threshold for 3D transfer domain (from 0 to INT_MAX) (default 2.7)
estim <int> ..FV....... set filtering estimation mode (from 0 to 1) (default basic)
basic 0 ..FV....... basic estimate
final 1 ..FV....... final estimate
ref <boolean> ..FV....... have reference stream (default false)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 7)

boxblur AVOptions:
luma_radius <string> ..FV....... Radius of the luma blurring box (default "2")
lr <string> ..FV....... Radius of the luma blurring box (default "2")
luma_power <int> ..FV....... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
lp <int> ..FV....... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
chroma_radius <string> ..FV....... Radius of the chroma blurring box
cr <string> ..FV....... Radius of the chroma blurring box
chroma_power <int> ..FV....... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
cp <int> ..FV....... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
alpha_radius <string> ..FV....... Radius of the alpha blurring box
ar <string> ..FV....... Radius of the alpha blurring box
alpha_power <int> ..FV....... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
ap <int> ..FV....... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)

bwdif AVOptions:
mode <int> ..FV....... specify the interlacing mode (from 0 to 1) (default send_field)
send_frame 0 ..FV....... send one frame for each frame
send_field 1 ..FV....... send one frame for each field
parity <int> ..FV....... specify the assumed picture field parity (from -1 to 1) (default auto)
tff 0 ..FV....... assume top field first
bff 1 ..FV....... assume bottom field first
auto -1 ..FV....... auto detect parity
deint <int> ..FV....... specify which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV....... deinterlace all frames
interlaced 1 ..FV....... only deinterlace frames marked as interlaced

cas AVOptions:
strength <float> ..FV.....T. set the sharpening strength (from 0 to 1) (default 0)
planes <flags> ..FV.....T. set what planes to filter (default 7)

ccrepack AVOptions:

chromahold AVOptions:
color <color> ..FV.....T. set the chromahold key color (default "black")
similarity <float> ..FV.....T. set the chromahold similarity value (from 1e-005 to 1) (default 0.01)
blend <float> ..FV.....T. set the chromahold blend value (from 0 to 1) (default 0)
yuv <boolean> ..FV.....T. color parameter is in yuv instead of rgb (default false)

chromakey AVOptions:
color <color> ..FV.....T. set the chromakey key color (default "black")
similarity <float> ..FV.....T. set the chromakey similarity value (from 1e-005 to 1) (default 0.01)
blend <float> ..FV.....T. set the chromakey key blend value (from 0 to 1) (default 0)
yuv <boolean> ..FV.....T. color parameter is in yuv instead of rgb (default false)

chromanr AVOptions:
thres <float> ..FV.....T. set y+u+v threshold (from 1 to 200) (default 30)
sizew <int> ..FV.....T. set horizontal patch size (from 1 to 100) (default 5)
sizeh <int> ..FV.....T. set vertical patch size (from 1 to 100) (default 5)
stepw <int> ..FV.....T. set horizontal step (from 1 to 50) (default 1)
steph <int> ..FV.....T. set vertical step (from 1 to 50) (default 1)
threy <float> ..FV.....T. set y threshold (from 1 to 200) (default 200)
threu <float> ..FV.....T. set u threshold (from 1 to 200) (default 200)
threv <float> ..FV.....T. set v threshold (from 1 to 200) (default 200)
distance <int> ..FV.....T. set distance type (from 0 to 1) (default manhattan)
manhattan 0 ..FV.....T.
euclidean 1 ..FV.....T.

chromashift AVOptions:
cbh <int> ..FV.....T. shift chroma-blue horizontally (from -255 to 255) (default 0)
cbv <int> ..FV.....T. shift chroma-blue vertically (from -255 to 255) (default 0)
crh <int> ..FV.....T. shift chroma-red horizontally (from -255 to 255) (default 0)
crv <int> ..FV.....T. shift chroma-red vertically (from -255 to 255) (default 0)
edge <int> ..FV.....T. set edge operation (from 0 to 1) (default smear)
smear 0 ..FV.....T.
wrap 1 ..FV.....T.

ciescope AVOptions:
system <int> ..FV....... set color system (from 0 to 9) (default hdtv)
ntsc 0 ..FV....... NTSC 1953 Y'I'O' (ITU-R BT.470 System M)
470m 0 ..FV....... NTSC 1953 Y'I'O' (ITU-R BT.470 System M)
ebu 1 ..FV....... EBU Y'U'V' (PAL/SECAM) (ITU-R BT.470 System B, G)
470bg 1 ..FV....... EBU Y'U'V' (PAL/SECAM) (ITU-R BT.470 System B, G)
smpte 2 ..FV....... SMPTE-C RGB
240m 3 ..FV....... SMPTE-240M Y'PbPr
apple 4 ..FV....... Apple RGB
widergb 5 ..FV....... Adobe Wide Gamut RGB
cie1931 6 ..FV....... CIE 1931 RGB
hdtv 7 ..FV....... ITU.BT-709 Y'CbCr
rec709 7 ..FV....... ITU.BT-709 Y'CbCr
uhdtv 8 ..FV....... ITU-R.BT-2020
rec2020 8 ..FV....... ITU-R.BT-2020
dcip3 9 ..FV....... DCI-P3
cie <int> ..FV....... set cie system (from 0 to 2) (default xyy)
xyy 0 ..FV....... CIE 1931 xyY
ucs 1 ..FV....... CIE 1960 UCS
luv 2 ..FV....... CIE 1976 Luv
gamuts <flags> ..FV....... set what gamuts to draw (default 0)
ntsc ..FV.......
470m ..FV.......
ebu ..FV.......
470bg ..FV.......
smpte ..FV.......
240m ..FV.......
apple ..FV.......
widergb ..FV.......
cie1931 ..FV.......
hdtv ..FV.......
rec709 ..FV.......
uhdtv ..FV.......
rec2020 ..FV.......
dcip3 ..FV.......
size <int> ..FV....... set ciescope size (from 256 to 8192) (default 512)
s <int> ..FV....... set ciescope size (from 256 to 8192) (default 512)
intensity <float> ..FV....... set ciescope intensity (from 0 to 1) (default 0.001)
i <float> ..FV....... set ciescope intensity (from 0 to 1) (default 0.001)
contrast <float> ..FV....... (from 0 to 1) (default 0.75)
corrgamma <boolean> ..FV....... (default true)
showwhite <boolean> ..FV....... (default false)
gamma <double> ..FV....... (from 0.1 to 6) (default 2.6)
fill <boolean> ..FV....... fill with CIE colors (default true)

codecview AVOptions:
mv <flags> ..FV....... set motion vectors to visualize (default 0)
pf ..FV....... forward predicted MVs of P-frames
bf ..FV....... forward predicted MVs of B-frames
bb ..FV....... backward predicted MVs of B-frames
qp <boolean> ..FV....... (default false)
mv_type <flags> ..FV....... set motion vectors type (default 0)
fp ..FV....... forward predicted MVs
bp ..FV....... backward predicted MVs
mvt <flags> ..FV....... set motion vectors type (default 0)
fp ..FV....... forward predicted MVs
bp ..FV....... backward predicted MVs
frame_type <flags> ..FV....... set frame types to visualize motion vectors of (default 0)
if ..FV....... I-frames
pf ..FV....... P-frames
bf ..FV....... B-frames
ft <flags> ..FV....... set frame types to visualize motion vectors of (default 0)
if ..FV....... I-frames
pf ..FV....... P-frames
bf ..FV....... B-frames
block <boolean> ..FV....... set block partitioning structure to visualize (default false)

colorbalance AVOptions:
rs <float> ..FV.....T. set red shadows (from -1 to 1) (default 0)
gs <float> ..FV.....T. set green shadows (from -1 to 1) (default 0)
bs <float> ..FV.....T. set blue shadows (from -1 to 1) (default 0)
rm <float> ..FV.....T. set red midtones (from -1 to 1) (default 0)
gm <float> ..FV.....T. set green midtones (from -1 to 1) (default 0)
bm <float> ..FV.....T. set blue midtones (from -1 to 1) (default 0)
rh <float> ..FV.....T. set red highlights (from -1 to 1) (default 0)
gh <float> ..FV.....T. set green highlights (from -1 to 1) (default 0)
bh <float> ..FV.....T. set blue highlights (from -1 to 1) (default 0)
pl <boolean> ..FV.....T. preserve lightness (default false)

colorchannelmixer AVOptions:
rr <double> ..FV.....T. set the red gain for the red channel (from -2 to 2) (default 1)
rg <double> ..FV.....T. set the green gain for the red channel (from -2 to 2) (default 0)
rb <double> ..FV.....T. set the blue gain for the red channel (from -2 to 2) (default 0)
ra <double> ..FV.....T. set the alpha gain for the red channel (from -2 to 2) (default 0)
gr <double> ..FV.....T. set the red gain for the green channel (from -2 to 2) (default 0)
gg <double> ..FV.....T. set the green gain for the green channel (from -2 to 2) (default 1)
gb <double> ..FV.....T. set the blue gain for the green channel (from -2 to 2) (default 0)
ga <double> ..FV.....T. set the alpha gain for the green channel (from -2 to 2) (default 0)
br <double> ..FV.....T. set the red gain for the blue channel (from -2 to 2) (default 0)
bg <double> ..FV.....T. set the green gain for the blue channel (from -2 to 2) (default 0)
bb <double> ..FV.....T. set the blue gain for the blue channel (from -2 to 2) (default 1)
ba <double> ..FV.....T. set the alpha gain for the blue channel (from -2 to 2) (default 0)
ar <double> ..FV.....T. set the red gain for the alpha channel (from -2 to 2) (default 0)
ag <double> ..FV.....T. set the green gain for the alpha channel (from -2 to 2) (default 0)
ab <double> ..FV.....T. set the blue gain for the alpha channel (from -2 to 2) (default 0)
aa <double> ..FV.....T. set the alpha gain for the alpha channel (from -2 to 2) (default 1)
pc <int> ..FV.....T. set the preserve color mode (from 0 to 6) (default none)
none 0 ..FV.....T. disabled
lum 1 ..FV.....T. luminance
max 2 ..FV.....T. max
avg 3 ..FV.....T. average
sum 4 ..FV.....T. sum
nrm 5 ..FV.....T. norm
pwr 6 ..FV.....T. power
pa <double> ..FV.....T. set the preserve color amount (from 0 to 1) (default 0)

colorcontrast AVOptions:
rc <float> ..FV.....T. set the red-cyan contrast (from -1 to 1) (default 0)
gm <float> ..FV.....T. set the green-magenta contrast (from -1 to 1) (default 0)
by <float> ..FV.....T. set the blue-yellow contrast (from -1 to 1) (default 0)
rcw <float> ..FV.....T. set the red-cyan weight (from 0 to 1) (default 0)
gmw <float> ..FV.....T. set the green-magenta weight (from 0 to 1) (default 0)
byw <float> ..FV.....T. set the blue-yellow weight (from 0 to 1) (default 0)
pl <float> ..FV.....T. set the amount of preserving lightness (from 0 to 1) (default 0)

colorcorrect AVOptions:
rl <float> ..FV.....T. set the red shadow spot (from -1 to 1) (default 0)
bl <float> ..FV.....T. set the blue shadow spot (from -1 to 1) (default 0)
rh <float> ..FV.....T. set the red highlight spot (from -1 to 1) (default 0)
bh <float> ..FV.....T. set the blue highlight spot (from -1 to 1) (default 0)
saturation <float> ..FV.....T. set the amount of saturation (from -3 to 3) (default 1)
analyze <int> ..FV.....T. set the analyze mode (from 0 to 3) (default manual)
manual 0 ..FV.....T. manually set options
average 1 ..FV.....T. use average pixels
minmax 2 ..FV.....T. use minmax pixels
median 3 ..FV.....T. use median pixels

colorize AVOptions:
hue <float> ..FV.....T. set the hue (from 0 to 360) (default 0)
saturation <float> ..FV.....T. set the saturation (from 0 to 1) (default 0.5)
lightness <float> ..FV.....T. set the lightness (from 0 to 1) (default 0.5)
mix <float> ..FV.....T. set the mix of source lightness (from 0 to 1) (default 1)

colorkey AVOptions:
color <color> ..FV.....T. set the colorkey key color (default "black")
similarity <float> ..FV.....T. set the colorkey similarity value (from 1e-005 to 1) (default 0.01)
blend <float> ..FV.....T. set the colorkey key blend value (from 0 to 1) (default 0)

colorhold AVOptions:
color <color> ..FV.....T. set the colorhold key color (default "black")
similarity <float> ..FV.....T. set the colorhold similarity value (from 1e-005 to 1) (default 0.01)
blend <float> ..FV.....T. set the colorhold blend value (from 0 to 1) (default 0)

colorlevels AVOptions:
rimin <double> ..FV.....T. set input red black point (from -1 to 1) (default 0)
gimin <double> ..FV.....T. set input green black point (from -1 to 1) (default 0)
bimin <double> ..FV.....T. set input blue black point (from -1 to 1) (default 0)
aimin <double> ..FV.....T. set input alpha black point (from -1 to 1) (default 0)
rimax <double> ..FV.....T. set input red white point (from -1 to 1) (default 1)
gimax <double> ..FV.....T. set input green white point (from -1 to 1) (default 1)
bimax <double> ..FV.....T. set input blue white point (from -1 to 1) (default 1)
aimax <double> ..FV.....T. set input alpha white point (from -1 to 1) (default 1)
romin <double> ..FV.....T. set output red black point (from 0 to 1) (default 0)
gomin <double> ..FV.....T. set output green black point (from 0 to 1) (default 0)
bomin <double> ..FV.....T. set output blue black point (from 0 to 1) (default 0)
aomin <double> ..FV.....T. set output alpha black point (from 0 to 1) (default 0)
romax <double> ..FV.....T. set output red white point (from 0 to 1) (default 1)
gomax <double> ..FV.....T. set output green white point (from 0 to 1) (default 1)
bomax <double> ..FV.....T. set output blue white point (from 0 to 1) (default 1)
aomax <double> ..FV.....T. set output alpha white point (from 0 to 1) (default 1)
preserve <int> ..FV.....T. set preserve color mode (from 0 to 6) (default none)
none 0 ..FV.....T. disabled
lum 1 ..FV.....T. luminance
max 2 ..FV.....T. max
avg 3 ..FV.....T. average
sum 4 ..FV.....T. sum
nrm 5 ..FV.....T. norm
pwr 6 ..FV.....T. power

colormap AVOptions:
patch_size <image_size> ..FV.....T. set patch size (default "64x64")
nb_patches <int> ..FV.....T. set number of patches (from 0 to 64) (default 0)
type <int> ..FV.....T. set the target type used (from 0 to 1) (default absolute)
relative 0 ..FV.....T. the target colors are relative
absolute 1 ..FV.....T. the target colors are absolute
kernel <int> ..FV.....T. set the kernel used for measuring color difference (from 0 to 1) (default euclidean)
euclidean 0 ..FV.....T. square root of sum of squared differences
weuclidean 1 ..FV.....T. weighted square root of sum of squared differences

colormatrix AVOptions:
src <int> ..FV....... set source color matrix (from -1 to 4) (default -1)
bt709 0 ..FV....... set BT.709 colorspace
fcc 1 ..FV....... set FCC colorspace
bt601 2 ..FV....... set BT.601 colorspace
bt470 2 ..FV....... set BT.470 colorspace
bt470bg 2 ..FV....... set BT.470 colorspace
smpte170m 2 ..FV....... set SMTPE-170M colorspace
smpte240m 3 ..FV....... set SMPTE-240M colorspace
bt2020 4 ..FV....... set BT.2020 colorspace
dst <int> ..FV....... set destination color matrix (from -1 to 4) (default -1)
bt709 0 ..FV....... set BT.709 colorspace
fcc 1 ..FV....... set FCC colorspace
bt601 2 ..FV....... set BT.601 colorspace
bt470 2 ..FV....... set BT.470 colorspace
bt470bg 2 ..FV....... set BT.470 colorspace
smpte170m 2 ..FV....... set SMTPE-170M colorspace
smpte240m 3 ..FV....... set SMPTE-240M colorspace
bt2020 4 ..FV....... set BT.2020 colorspace

colorspace AVOptions:
all <int> ..FV....... Set all color properties together (from 0 to 8) (default 0)
bt470m 1 ..FV.......
bt470bg 2 ..FV.......
bt601-6-525 3 ..FV.......
bt601-6-625 4 ..FV.......
bt709 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt2020 8 ..FV.......
space <int> ..FV....... Output colorspace (from 0 to 14) (default 2)
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
gbr 0 ..FV.......
bt2020nc 9 ..FV.......
bt2020ncl 9 ..FV.......
range <int> ..FV....... Output color range (from 0 to 2) (default 0)
tv 1 ..FV.......
mpeg 1 ..FV.......
pc 2 ..FV.......
jpeg 2 ..FV.......
primaries <int> ..FV....... Output color primaries (from 0 to 22) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
smpte428 10 ..FV.......
film 8 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
bt2020 9 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
trc <int> ..FV....... Output transfer characteristics (from 0 to 18) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
gamma22 4 ..FV.......
bt470bg 5 ..FV.......
gamma28 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
linear 8 ..FV.......
srgb 13 ..FV.......
iec61966-2-1 13 ..FV.......
xvycc 11 ..FV.......
iec61966-2-4 11 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
format <int> ..FV....... Output pixel format (from -1 to 162) (default -1)
yuv420p 0 ..FV.......
yuv420p10 62 ..FV.......
yuv420p12 123 ..FV.......
yuv422p 4 ..FV.......
yuv422p10 64 ..FV.......
yuv422p12 127 ..FV.......
yuv444p 5 ..FV.......
yuv444p10 68 ..FV.......
yuv444p12 131 ..FV.......
fast <boolean> ..FV....... Ignore primary chromaticity and gamma correction (default false)
dither <int> ..FV....... Dithering mode (from 0 to 1) (default none)
none 0 ..FV.......
fsb 1 ..FV.......
wpadapt <int> ..FV....... Whitepoint adaptation method (from 0 to 2) (default bradford)
bradford 0 ..FV.......
vonkries 1 ..FV.......
identity 2 ..FV.......
iall <int> ..FV....... Set all input color properties together (from 0 to 8) (default 0)
bt470m 1 ..FV.......
bt470bg 2 ..FV.......
bt601-6-525 3 ..FV.......
bt601-6-625 4 ..FV.......
bt709 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt2020 8 ..FV.......
ispace <int> ..FV....... Input colorspace (from 0 to 22) (default 2)
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
gbr 0 ..FV.......
bt2020nc 9 ..FV.......
bt2020ncl 9 ..FV.......
irange <int> ..FV....... Input color range (from 0 to 2) (default 0)
tv 1 ..FV.......
mpeg 1 ..FV.......
pc 2 ..FV.......
jpeg 2 ..FV.......
iprimaries <int> ..FV....... Input color primaries (from 0 to 22) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
smpte428 10 ..FV.......
film 8 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
bt2020 9 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
itrc <int> ..FV....... Input transfer characteristics (from 0 to 18) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
gamma22 4 ..FV.......
bt470bg 5 ..FV.......
gamma28 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
linear 8 ..FV.......
srgb 13 ..FV.......
iec61966-2-1 13 ..FV.......
xvycc 11 ..FV.......
iec61966-2-4 11 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......

colortemperature AVOptions:
temperature <float> ..FV.....T. set the temperature in Kelvin (from 1000 to 40000) (default 6500)
mix <float> ..FV.....T. set the mix with filtered output (from 0 to 1) (default 1)
pl <float> ..FV.....T. set the amount of preserving lightness (from 0 to 1) (default 0)

convolution AVOptions:
0m <string> ..FV.....T. set matrix for 1st plane (default "0 0 0 0 1 0 0 0 0")
1m <string> ..FV.....T. set matrix for 2nd plane (default "0 0 0 0 1 0 0 0 0")
2m <string> ..FV.....T. set matrix for 3rd plane (default "0 0 0 0 1 0 0 0 0")
3m <string> ..FV.....T. set matrix for 4th plane (default "0 0 0 0 1 0 0 0 0")
0rdiv <float> ..FV.....T. set rdiv for 1st plane (from 0 to INT_MAX) (default 0)
1rdiv <float> ..FV.....T. set rdiv for 2nd plane (from 0 to INT_MAX) (default 0)
2rdiv <float> ..FV.....T. set rdiv for 3rd plane (from 0 to INT_MAX) (default 0)
3rdiv <float> ..FV.....T. set rdiv for 4th plane (from 0 to INT_MAX) (default 0)
0bias <float> ..FV.....T. set bias for 1st plane (from 0 to INT_MAX) (default 0)
1bias <float> ..FV.....T. set bias for 2nd plane (from 0 to INT_MAX) (default 0)
2bias <float> ..FV.....T. set bias for 3rd plane (from 0 to INT_MAX) (default 0)
3bias <float> ..FV.....T. set bias for 4th plane (from 0 to INT_MAX) (default 0)
0mode <int> ..FV.....T. set matrix mode for 1st plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
1mode <int> ..FV.....T. set matrix mode for 2nd plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
2mode <int> ..FV.....T. set matrix mode for 3rd plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
3mode <int> ..FV.....T. set matrix mode for 4th plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix

convolve AVOptions:
planes <int> ..FV....... set planes to convolve (from 0 to 15) (default 7)
impulse <int> ..FV....... when to process impulses (from 0 to 1) (default all)
first 0 ..FV....... process only first impulse, ignore rest
all 1 ..FV....... process all impulses
noise <float> ..FV....... set noise (from 0 to 1) (default 1e-007)

corr AVOptions:

cover_rect AVOptions:
cover <string> ..FV....... cover bitmap filename
mode <int> ..FV....... set removal mode (from 0 to 1) (default blur)
cover 0 ..FV....... cover area with bitmap
blur 1 ..FV....... blur area

crop AVOptions:
out_w <string> ..FV.....T. set the width crop area expression (default "iw")
w <string> ..FV.....T. set the width crop area expression (default "iw")
out_h <string> ..FV.....T. set the height crop area expression (default "ih")
h <string> ..FV.....T. set the height crop area expression (default "ih")
x <string> ..FV.....T. set the x crop area expression (default "(in_w-out_w)/2")
y <string> ..FV.....T. set the y crop area expression (default "(in_h-out_h)/2")
keep_aspect <boolean> ..FV....... keep aspect ratio (default false)
exact <boolean> ..FV....... do exact cropping (default false)

cropdetect AVOptions:
limit <float> ..FV.....T. Threshold below which the pixel is considered black (from 0 to 65535) (default 0.0941176)
round <int> ..FV....... Value by which the width/height should be divisible (from 0 to INT_MAX) (default 16)
reset <int> ..FV....... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0)
skip <int> ..FV....... Number of initial frames to skip (from 0 to INT_MAX) (default 2)
reset_count <int> ..FV....... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0)
max_outliers <int> ..FV....... Threshold count of outliers (from 0 to INT_MAX) (default 0)
mode <int> ..FV....... set mode (from 0 to 1) (default black)
black 0 ..FV....... detect black pixels surrounding the video
mvedges 1 ..FV....... detect motion and edged surrounding the video
high <float> ..FV....... Set high threshold for edge detection (from 0 to 1) (default 0.0980392)
low <float> ..FV....... Set low threshold for edge detection (from 0 to 1) (default 0.0588235)
mv_threshold <int> ..FV....... motion vector threshold when estimating video window size (from 0 to 100) (default 8)

curves AVOptions:
preset <int> ..FV.....T. select a color curves preset (from 0 to 10) (default none)
none 0 ..FV.....T.
color_negative 1 ..FV.....T.
cross_process 2 ..FV.....T.
darker 3 ..FV.....T.
increase_contrast 4 ..FV.....T.
lighter 5 ..FV.....T.
linear_contrast 6 ..FV.....T.
medium_contrast 7 ..FV.....T.
negative 8 ..FV.....T.
strong_contrast 9 ..FV.....T.
vintage 10 ..FV.....T.
master <string> ..FV.....T. set master points coordinates
m <string> ..FV.....T. set master points coordinates
red <string> ..FV.....T. set red points coordinates
r <string> ..FV.....T. set red points coordinates
green <string> ..FV.....T. set green points coordinates
g <string> ..FV.....T. set green points coordinates
blue <string> ..FV.....T. set blue points coordinates
b <string> ..FV.....T. set blue points coordinates
all <string> ..FV.....T. set points coordinates for all components
psfile <string> ..FV.....T. set Photoshop curves file name
plot <string> ..FV.....T. save Gnuplot script of the curves in specified file
interp <int> ..FV.....T. specify the kind of interpolation (from 0 to 1) (default natural)
natural 0 ..FV.....T. natural cubic spline
pchip 1 ..FV.....T. monotonically cubic interpolation

datascope AVOptions:
size <image_size> ..FV....... set output size (default "hd720")
s <image_size> ..FV....... set output size (default "hd720")
x <int> ..FV.....T. set x offset (from 0 to INT_MAX) (default 0)
y <int> ..FV.....T. set y offset (from 0 to INT_MAX) (default 0)
mode <int> ..FV.....T. set scope mode (from 0 to 2) (default mono)
mono 0 ..FV.....T.
color 1 ..FV.....T.
color2 2 ..FV.....T.
axis <boolean> ..FV.....T. draw column/row numbers (default false)
opacity <float> ..FV.....T. set background opacity (from 0 to 1) (default 0.75)
format <int> ..FV.....T. set display number format (from 0 to 1) (default hex)
hex 0 ..FV.....T.
dec 1 ..FV.....T.
components <int> ..FV.....T. set components to display (from 1 to 15) (default 15)

dblur AVOptions:
angle <float> ..FV.....T. set angle (from 0 to 360) (default 45)
radius <float> ..FV.....T. set radius (from 0 to 8192) (default 5)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)

dctdnoiz AVOptions:
sigma <float> ..FV....... set noise sigma constant (from 0 to 999) (default 0)
s <float> ..FV....... set noise sigma constant (from 0 to 999) (default 0)
overlap <int> ..FV....... set number of block overlapping pixels (from -1 to 15) (default -1)
expr <string> ..FV....... set coefficient factor expression
e <string> ..FV....... set coefficient factor expression
n <int> ..FV....... set the block size, expressed in bits (from 3 to 4) (default 3)

deband AVOptions:
1thr <float> ..FV.....T. set 1st plane threshold (from 3e-005 to 0.5) (default 0.02)
2thr <float> ..FV.....T. set 2nd plane threshold (from 3e-005 to 0.5) (default 0.02)
3thr <float> ..FV.....T. set 3rd plane threshold (from 3e-005 to 0.5) (default 0.02)
4thr <float> ..FV.....T. set 4th plane threshold (from 3e-005 to 0.5) (default 0.02)
range <int> ..FV.....T. set range (from INT_MIN to INT_MAX) (default 16)
r <int> ..FV.....T. set range (from INT_MIN to INT_MAX) (default 16)
direction <float> ..FV.....T. set direction (from -6.28319 to 6.28319) (default 6.28319)
d <float> ..FV.....T. set direction (from -6.28319 to 6.28319) (default 6.28319)
blur <boolean> ..FV.....T. set blur (default true)
b <boolean> ..FV.....T. set blur (default true)
coupling <boolean> ..FV.....T. set plane coupling (default false)
c <boolean> ..FV.....T. set plane coupling (default false)

deblock AVOptions:
filter <int> ..FV.....T. set type of filter (from 0 to 1) (default strong)
weak 0 ..FV.....T.
strong 1 ..FV.....T.
block <int> ..FV.....T. set size of block (from 4 to 512) (default 8)
alpha <float> ..FV.....T. set 1st detection threshold (from 0 to 1) (default 0.098)
beta <float> ..FV.....T. set 2nd detection threshold (from 0 to 1) (default 0.05)
gamma <float> ..FV.....T. set 3rd detection threshold (from 0 to 1) (default 0.05)
delta <float> ..FV.....T. set 4th detection threshold (from 0 to 1) (default 0.05)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)

decimate AVOptions:
cycle <int> ..FV....... set the number of frame from which one will be dropped (from 2 to 25) (default 5)
dupthresh <double> ..FV....... set duplicate threshold (from 0 to 100) (default 1.1)
scthresh <double> ..FV....... set scene change threshold (from 0 to 100) (default 15)
blockx <int> ..FV....... set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32)
blocky <int> ..FV....... set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32)
ppsrc <boolean> ..FV....... mark main input as a pre-processed input and activate clean source input stream (default false)
chroma <boolean> ..FV....... set whether or not chroma is considered in the metric calculations (default true)
mixed <boolean> ..FV....... set whether or not the input only partially contains content to be decimated (default false)

deconvolve AVOptions:
planes <int> ..FV....... set planes to deconvolve (from 0 to 15) (default 7)
impulse <int> ..FV....... when to process impulses (from 0 to 1) (default all)
first 0 ..FV....... process only first impulse, ignore rest
all 1 ..FV....... process all impulses
noise <float> ..FV....... set noise (from 0 to 1) (default 1e-007)

dedot AVOptions:
m <flags> ..FV....... set filtering mode (default dotcrawl+rainbows)
dotcrawl ..FV.......
rainbows ..FV.......
lt <float> ..FV....... set spatial luma threshold (from 0 to 1) (default 0.079)
tl <float> ..FV....... set tolerance for temporal luma (from 0 to 1) (default 0.079)
tc <float> ..FV....... set tolerance for chroma temporal variation (from 0 to 1) (default 0.058)
ct <float> ..FV....... set temporal chroma threshold (from 0 to 1) (default 0.019)

deflate/inflate AVOptions:
threshold0 <int> ..FV.....T. set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <int> ..FV.....T. set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <int> ..FV.....T. set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <int> ..FV.....T. set threshold for 4th plane (from 0 to 65535) (default 65535)

deflicker AVOptions:
size <int> ..FV....... set how many frames to use (from 2 to 129) (default 5)
s <int> ..FV....... set how many frames to use (from 2 to 129) (default 5)
mode <int> ..FV....... set how to smooth luminance (from 0 to 6) (default am)
am 0 ..FV....... arithmetic mean
gm 1 ..FV....... geometric mean
hm 2 ..FV....... harmonic mean
qm 3 ..FV....... quadratic mean
cm 4 ..FV....... cubic mean
pm 5 ..FV....... power mean
median 6 ..FV....... median
m <int> ..FV....... set how to smooth luminance (from 0 to 6) (default am)
am 0 ..FV....... arithmetic mean
gm 1 ..FV....... geometric mean
hm 2 ..FV....... harmonic mean
qm 3 ..FV....... quadratic mean
cm 4 ..FV....... cubic mean
pm 5 ..FV....... power mean
median 6 ..FV....... median
bypass <boolean> ..FV....... leave frames unchanged (default false)

deinterlace_qsv AVOptions:
mode <int> ..FV....... set deinterlace mode (from 1 to 2) (default advanced)
bob 1 ..FV....... bob algorithm
advanced 2 ..FV....... Motion adaptive algorithm

dejudder AVOptions:
cycle <int> ..FV....... set the length of the cycle to use for dejuddering (from 2 to 240) (default 4)

delogo AVOptions:
x <string> ..FV....... set logo x position (default "-1")
y <string> ..FV....... set logo y position (default "-1")
w <string> ..FV....... set logo width (default "-1")
h <string> ..FV....... set logo height (default "-1")
show <boolean> ..FV....... show delogo area (default false)

derain AVOptions:
filter_type <int> ..FV....... filter type(derain/dehaze) (from 0 to 1) (default derain)
derain 0 ..FV....... derain filter flag
dehaze 1 ..FV....... dehaze filter flag
dnn_backend <int> ..FV....... DNN backend (from 0 to 1) (default 1)
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model (default "x")
output <string> ..FV....... output name of the model (default "y")

deshake AVOptions:
x <int> ..FV....... set x for the rectangular search area (from -1 to INT_MAX) (default -1)
y <int> ..FV....... set y for the rectangular search area (from -1 to INT_MAX) (default -1)
w <int> ..FV....... set width for the rectangular search area (from -1 to INT_MAX) (default -1)
h <int> ..FV....... set height for the rectangular search area (from -1 to INT_MAX) (default -1)
rx <int> ..FV....... set x for the rectangular search area (from 0 to 64) (default 16)
ry <int> ..FV....... set y for the rectangular search area (from 0 to 64) (default 16)
edge <int> ..FV....... set edge mode (from 0 to 3) (default mirror)
blank 0 ..FV....... fill zeroes at blank locations
original 1 ..FV....... original image at blank locations
clamp 2 ..FV....... extruded edge value at blank locations
mirror 3 ..FV....... mirrored edge at blank locations
blocksize <int> ..FV....... set motion search blocksize (from 4 to 128) (default 8)
contrast <int> ..FV....... set contrast threshold for blocks (from 1 to 255) (default 125)
search <int> ..FV....... set search strategy (from 0 to 1) (default exhaustive)
exhaustive 0 ..FV....... exhaustive search
less 1 ..FV....... less exhaustive search
filename <string> ..FV....... set motion search detailed log file name
opencl <boolean> ..FV....... ignored (default false)

despill AVOptions:
type <int> ..FV.....T. set the screen type (from 0 to 1) (default green)
green 0 ..FV.....T. greenscreen
blue 1 ..FV.....T. bluescreen
mix <float> ..FV.....T. set the spillmap mix (from 0 to 1) (default 0.5)
expand <float> ..FV.....T. set the spillmap expand (from 0 to 1) (default 0)
red <float> ..FV.....T. set red scale (from -100 to 100) (default 0)
green <float> ..FV.....T. set green scale (from -100 to 100) (default -1)
blue <float> ..FV.....T. set blue scale (from -100 to 100) (default 0)
brightness <float> ..FV.....T. set brightness (from -10 to 10) (default 0)
alpha <boolean> ..FV.....T. change alpha component (default false)

detelecine AVOptions:
first_field <int> ..FV....... select first field (from 0 to 1) (default top)
top 0 ..FV....... select top field first
t 0 ..FV....... select top field first
bottom 1 ..FV....... select bottom field first
b 1 ..FV....... select bottom field first
pattern <string> ..FV....... pattern that describe for how many fields a frame is to be displayed (default "23")
start_frame <int> ..FV....... position of first frame with respect to the pattern if stream is cut (from 0 to 13) (default 0)

erosion/dilation AVOptions:
coordinates <int> ..FV.....T. set coordinates (from 0 to 255) (default 255)
threshold0 <int> ..FV.....T. set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <int> ..FV.....T. set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <int> ..FV.....T. set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <int> ..FV.....T. set threshold for 4th plane (from 0 to 65535) (default 65535)

displace AVOptions:
edge <int> ..FV.....T. set edge mode (from 0 to 3) (default smear)
blank 0 ..FV.....T.
smear 1 ..FV.....T.
wrap 2 ..FV.....T.
mirror 3 ..FV.....T.

dnn_classify AVOptions:
dnn_backend <int> ..FV....... DNN backend (from INT_MIN to INT_MAX) (default 2)
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model
output <string> ..FV....... output name of the model
backend_configs <string> ..FV....... backend configs
options <string> ..FV......P backend configs (deprecated, use backend_configs)
async <boolean> ..FV....... use DNN async inference (ignored, use backend_configs='async=1') (default true)
confidence <float> ..FV....... threshold of confidence (from 0 to 1) (default 0.5)
labels <string> ..FV....... path to labels file
target <string> ..FV....... which one to be classified

dnn_detect AVOptions:
dnn_backend <int> ..FV....... DNN backend (from INT_MIN to INT_MAX) (default 2)
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model
output <string> ..FV....... output name of the model
backend_configs <string> ..FV....... backend configs
options <string> ..FV......P backend configs (deprecated, use backend_configs)
async <boolean> ..FV....... use DNN async inference (ignored, use backend_configs='async=1') (default true)
confidence <float> ..FV....... threshold of confidence (from 0 to 1) (default 0.5)
labels <string> ..FV....... path to labels file

dnn_processing AVOptions:
dnn_backend <int> ..FV....... DNN backend (from INT_MIN to INT_MAX) (default 1)
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model
output <string> ..FV....... output name of the model
backend_configs <string> ..FV....... backend configs
options <string> ..FV......P backend configs (deprecated, use backend_configs)
async <boolean> ..FV....... use DNN async inference (ignored, use backend_configs='async=1') (default true)

(double)weave AVOptions:
first_field <int> ..FV....... set first field (from 0 to 1) (default top)
top 0 ..FV....... set top field first
t 0 ..FV....... set top field first
bottom 1 ..FV....... set bottom field first
b 1 ..FV....... set bottom field first

drawbox AVOptions:
x <string> ..FV.....T. set horizontal position of the left box edge (default "0")
y <string> ..FV.....T. set vertical position of the top box edge (default "0")
width <string> ..FV.....T. set width of the box (default "0")
w <string> ..FV.....T. set width of the box (default "0")
height <string> ..FV.....T. set height of the box (default "0")
h <string> ..FV.....T. set height of the box (default "0")
color <string> ..FV.....T. set color of the box (default "black")
c <string> ..FV.....T. set color of the box (default "black")
thickness <string> ..FV.....T. set the box thickness (default "3")
t <string> ..FV.....T. set the box thickness (default "3")
replace <boolean> ..FV.....T. replace color & alpha (default false)
box_source <string> ..FV.....T. use datas from bounding box in side data

(a)drawgraph AVOptions:
m1 <string> ..FV....... set 1st metadata key (default "")
fg1 <string> ..FV....... set 1st foreground color expression (default "0xffff0000")
m2 <string> ..FV....... set 2nd metadata key (default "")
fg2 <string> ..FV....... set 2nd foreground color expression (default "0xff00ff00")
m3 <string> ..FV....... set 3rd metadata key (default "")
fg3 <string> ..FV....... set 3rd foreground color expression (default "0xffff00ff")
m4 <string> ..FV....... set 4th metadata key (default "")
fg4 <string> ..FV....... set 4th foreground color expression (default "0xffffff00")
bg <color> ..FV....... set background color (default "white")
min <float> ..FV....... set minimal value (from INT_MIN to INT_MAX) (default -1)
max <float> ..FV....... set maximal value (from INT_MIN to INT_MAX) (default 1)
mode <int> ..FV....... set graph mode (from 0 to 2) (default line)
bar 0 ..FV....... draw bars
dot 1 ..FV....... draw dots
line 2 ..FV....... draw lines
slide <int> ..FV....... set slide mode (from 0 to 4) (default frame)
frame 0 ..FV....... draw new frames
replace 1 ..FV....... replace old columns with new
scroll 2 ..FV....... scroll from right to left
rscroll 3 ..FV....... scroll from left to right
picture 4 ..FV....... display graph in single frame
size <image_size> ..FV....... set graph size (default "900x256")
s <image_size> ..FV....... set graph size (default "900x256")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")

drawgrid AVOptions:
x <string> ..FV.....T. set horizontal offset (default "0")
y <string> ..FV.....T. set vertical offset (default "0")
width <string> ..FV.....T. set width of grid cell (default "0")
w <string> ..FV.....T. set width of grid cell (default "0")
height <string> ..FV.....T. set height of grid cell (default "0")
h <string> ..FV.....T. set height of grid cell (default "0")
color <string> ..FV.....T. set color of the grid (default "black")
c <string> ..FV.....T. set color of the grid (default "black")
thickness <string> ..FV.....T. set grid line thickness (default "1")
t <string> ..FV.....T. set grid line thickness (default "1")
replace <boolean> ..FV.....T. replace color & alpha (default false)

drawtext AVOptions:
fontfile <string> ..FV....... set font file
text <string> ..FV.....T. set text
textfile <string> ..FV....... set text file
fontcolor <color> ..FV.....T. set foreground color (default "black")
fontcolor_expr <string> ..FV....... set foreground color expression (default "")
boxcolor <color> ..FV.....T. set box color (default "white")
bordercolor <color> ..FV.....T. set border color (default "black")
shadowcolor <color> ..FV.....T. set shadow color (default "black")
box <boolean> ..FV.....T. set box (default false)
boxborderw <string> ..FV.....T. set box borders width (default "0")
line_spacing <int> ..FV.....T. set line spacing in pixels (from INT_MIN to INT_MAX) (default 0)
fontsize <string> ..FV.....T. set font size
text_align <flags> ..FV.....T. set text alignment (default 0)
left ..FV.....T.
L ..FV.....T.
right ..FV.....T.
R ..FV.....T.
center ..FV.....T.
C ..FV.....T.
top ..FV.....T.
T ..FV.....T.
bottom ..FV.....T.
B ..FV.....T.
middle ..FV.....T.
M ..FV.....T.
x <string> ..FV.....T. set x expression (default "0")
y <string> ..FV.....T. set y expression (default "0")
boxw <int> ..FV.....T. set box width (from 0 to INT_MAX) (default 0)
boxh <int> ..FV.....T. set box height (from 0 to INT_MAX) (default 0)
shadowx <int> ..FV.....T. set shadow x offset (from INT_MIN to INT_MAX) (default 0)
shadowy <int> ..FV.....T. set shadow y offset (from INT_MIN to INT_MAX) (default 0)
borderw <int> ..FV.....T. set border width (from INT_MIN to INT_MAX) (default 0)
tabsize <int> ..FV.....T. set tab size (from 0 to INT_MAX) (default 4)
basetime <int64> ..FV....... set base time (from I64_MIN to I64_MAX) (default I64_MIN)
font <string> ..FV....... Font name (default "Sans")
expansion <int> ..FV....... set the expansion mode (from 0 to 2) (default normal)
none 0 ..FV....... set no expansion
normal 1 ..FV....... set normal expansion
strftime 2 ..FV....... set strftime expansion (deprecated)
y_align <int> ..FV.....T. set the y alignment (from 0 to 2) (default text)
text 0 ..FV....... y is referred to the top of the first text line
baseline 1 ..FV....... y is referred to the baseline of the first line
font 2 ..FV....... y is referred to the font defined line metrics
timecode <string> ..FV....... set initial timecode
tc24hmax <boolean> ..FV....... set 24 hours max (timecode only) (default false)
timecode_rate <rational> ..FV....... set rate (timecode only) (from 0 to INT_MAX) (default 0/1)
r <rational> ..FV....... set rate (timecode only) (from 0 to INT_MAX) (default 0/1)
rate <rational> ..FV....... set rate (timecode only) (from 0 to INT_MAX) (default 0/1)
reload <int> ..FV....... reload text file at specified frame interval (from 0 to INT_MAX) (default 0)
alpha <string> ..FV.....T. apply alpha while rendering (default "1")
fix_bounds <boolean> ..FV....... check and fix text coords to avoid clipping (default false)
start_number <int> ..FV....... start frame number for n/frame_num variable (from 0 to INT_MAX) (default 0)
text_source <string> ..FV....... the source of text
text_shaping <boolean> ..FV....... attempt to shape text before drawing (default true)
ft_load_flags <flags> ..FV....... set font loading flags for libfreetype (default 0)
default ..FV.......
no_scale ..FV.......
no_hinting ..FV.......
render ..FV.......
no_bitmap ..FV.......
vertical_layout ..FV.......
force_autohint ..FV.......
crop_bitmap ..FV.......
pedantic ..FV.......
ignore_global_advance_width ..FV.......
no_recurse ..FV.......
ignore_transform ..FV.......
monochrome ..FV.......
linear_design ..FV.......
no_autohint ..FV.......

edgedetect AVOptions:
high <double> ..FV....... set high threshold (from 0 to 1) (default 0.196078)
low <double> ..FV....... set low threshold (from 0 to 1) (default 0.0784314)
mode <int> ..FV....... set mode (from 0 to 2) (default wires)
wires 0 ..FV....... white/gray wires on black
colormix 1 ..FV....... mix colors
canny 2 ..FV....... detect edges on planes
planes <flags> ..FV....... set planes to filter (default y+u+v+r+g+b)
y ..FV....... filter luma plane
u ..FV....... filter u plane
v ..FV....... filter v plane
r ..FV....... filter red plane
g ..FV....... filter green plane
b ..FV....... filter blue plane

elbg AVOptions:
codebook_length <int> ..FV....... set codebook length (from 1 to INT_MAX) (default 256)
l <int> ..FV....... set codebook length (from 1 to INT_MAX) (default 256)
nb_steps <int> ..FV....... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
n <int> ..FV....... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
seed <int64> ..FV....... set the random seed (from -1 to UINT32_MAX) (default -1)
s <int64> ..FV....... set the random seed (from -1 to UINT32_MAX) (default -1)
pal8 <boolean> ..FV....... set the pal8 output (default false)
use_alpha <boolean> ..FV....... use alpha channel for mapping (default false)

entropy AVOptions:
mode <int> ..FV....... set kind of histogram entropy measurement (from 0 to 1) (default normal)
normal 0 ..FV.......
diff 1 ..FV.......

epx AVOptions:
n <int> ..FV....... set scale factor (from 2 to 3) (default 3)

eq AVOptions:
contrast <string> ..FV.....T. set the contrast adjustment, negative values give a negative image (default "1.0")
brightness <string> ..FV.....T. set the brightness adjustment (default "0.0")
saturation <string> ..FV.....T. set the saturation adjustment (default "1.0")
gamma <string> ..FV.....T. set the initial gamma value (default "1.0")
gamma_r <string> ..FV.....T. gamma value for red (default "1.0")
gamma_g <string> ..FV.....T. gamma value for green (default "1.0")
gamma_b <string> ..FV.....T. gamma value for blue (default "1.0")
gamma_weight <string> ..FV.....T. set the gamma weight which reduces the effect of gamma on bright areas (default "1.0")
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions per-frame

estdif AVOptions:
mode <int> ..FV.....T. specify the mode (from 0 to 1) (default field)
frame 0 ..FV.....T. send one frame for each frame
field 1 ..FV.....T. send one frame for each field
parity <int> ..FV.....T. specify the assumed picture field parity (from -1 to 1) (default auto)
tff 0 ..FV.....T. assume top field first
bff 1 ..FV.....T. assume bottom field first
auto -1 ..FV.....T. auto detect parity
deint <int> ..FV.....T. specify which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV.....T. deinterlace all frames
interlaced 1 ..FV.....T. only deinterlace frames marked as interlaced
rslope <int> ..FV.....T. specify the search radius for edge slope tracing (from 1 to 15) (default 1)
redge <int> ..FV.....T. specify the search radius for best edge matching (from 0 to 15) (default 2)
ecost <int> ..FV.....T. specify the edge cost for edge matching (from 0 to 50) (default 2)
mcost <int> ..FV.....T. specify the middle cost for edge matching (from 0 to 50) (default 1)
dcost <int> ..FV.....T. specify the distance cost for edge matching (from 0 to 50) (default 1)
interp <int> ..FV.....T. specify the type of interpolation (from 0 to 2) (default 4p)
2p 0 ..FV.....T. two-point interpolation
4p 1 ..FV.....T. four-point interpolation
6p 2 ..FV.....T. six-point interpolation

exposure AVOptions:
exposure <float> ..FV.....T. set the exposure correction (from -3 to 3) (default 0)
black <float> ..FV.....T. set the black level correction (from -1 to 1) (default 0)

extractplanes AVOptions:
planes <flags> ..FV....... set planes (default r)
y ..FV....... set luma plane
u ..FV....... set u plane
v ..FV....... set v plane
r ..FV....... set red plane
g ..FV....... set green plane
b ..FV....... set blue plane
a ..FV....... set alpha plane

fade AVOptions:
type <int> ..FV....... set the fade direction (from 0 to 1) (default in)
in 0 ..FV....... fade-in
out 1 ..FV....... fade-out
t <int> ..FV....... set the fade direction (from 0 to 1) (default in)
in 0 ..FV....... fade-in
out 1 ..FV....... fade-out
start_frame <int> ..FV....... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
s <int> ..FV....... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
nb_frames <int> ..FV....... Number of frames to which the effect should be applied. (from 1 to INT_MAX) (default 25)
n <int> ..FV....... Number of frames to which the effect should be applied. (from 1 to INT_MAX) (default 25)
alpha <boolean> ..FV....... fade alpha if it is available on the input (default false)
start_time <duration> ..FV....... Number of seconds of the beginning of the effect. (default 0)
st <duration> ..FV....... Number of seconds of the beginning of the effect. (default 0)
duration <duration> ..FV....... Duration of the effect in seconds. (default 0)
d <duration> ..FV....... Duration of the effect in seconds. (default 0)
color <color> ..FV....... set color (default "black")
c <color> ..FV....... set color (default "black")

feedback AVOptions:
x <int> ..FV.....T. set top left crop position (from 0 to INT_MAX) (default 0)
y <int> ..FV.....T. set top left crop position (from 0 to INT_MAX) (default 0)
w <int> ..FV....... set crop size (from 0 to INT_MAX) (default 0)
h <int> ..FV....... set crop size (from 0 to INT_MAX) (default 0)

fftdnoiz AVOptions:
sigma <float> ..FV.....T. set denoise strength (from 0 to 100) (default 1)
amount <float> ..FV.....T. set amount of denoising (from 0.01 to 1) (default 1)
block <int> ..FV....... set block size (from 8 to 256) (default 32)
overlap <float> ..FV....... set block overlap (from 0.2 to 0.8) (default 0.5)
method <int> ..FV.....T. set method of denoising (from 0 to 1) (default wiener)
wiener 0 ..FV.....T. wiener method
hard 1 ..FV.....T. hard thresholding
prev <int> ..FV....... set number of previous frames for temporal denoising (from 0 to 1) (default 0)
next <int> ..FV....... set number of next frames for temporal denoising (from 0 to 1) (default 0)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 7)
window <int> ..FV....... set window function (from 0 to 20) (default hann)
rect 0 ..FV....... Rectangular
bartlett 4 ..FV....... Bartlett
hann 1 ..FV....... Hann
hanning 1 ..FV....... Hanning
hamming 2 ..FV....... Hamming
blackman 3 ..FV....... Blackman
welch 5 ..FV....... Welch
flattop 6 ..FV....... Flat-top
bharris 7 ..FV....... Blackman-Harris
bnuttall 8 ..FV....... Blackman-Nuttall
bhann 11 ..FV....... Bartlett-Hann
sine 9 ..FV....... Sine
nuttall 10 ..FV....... Nuttall
lanczos 12 ..FV....... Lanczos
gauss 13 ..FV....... Gauss
tukey 14 ..FV....... Tukey
dolph 15 ..FV....... Dolph-Chebyshev
cauchy 16 ..FV....... Cauchy
parzen 17 ..FV....... Parzen
poisson 18 ..FV....... Poisson
bohman 19 ..FV....... Bohman
kaiser 20 ..FV....... Kaiser

fftfilt AVOptions:
dc_Y <int> ..FV....... adjust gain in Y plane (from 0 to 1000) (default 0)
dc_U <int> ..FV....... adjust gain in U plane (from 0 to 1000) (default 0)
dc_V <int> ..FV....... adjust gain in V plane (from 0 to 1000) (default 0)
weight_Y <string> ..FV....... set luminance expression in Y plane (default "1")
weight_U <string> ..FV....... set chrominance expression in U plane
weight_V <string> ..FV....... set chrominance expression in V plane
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions per-frame

field AVOptions:
type <int> ..FV....... set field type (top or bottom) (from 0 to 1) (default top)
top 0 ..FV....... select top field
bottom 1 ..FV....... select bottom field

fieldhint AVOptions:
hint <string> ..FV....... set hint file
mode <int> ..FV....... set hint mode (from 0 to 2) (default absolute)
absolute 0 ..FV.......
relative 1 ..FV.......
pattern 2 ..FV.......

fieldmatch AVOptions:
order <int> ..FV....... specify the assumed field order (from -1 to 1) (default auto)
auto -1 ..FV....... auto detect parity
bff 0 ..FV....... assume bottom field first
tff 1 ..FV....... assume top field first
mode <int> ..FV....... set the matching mode or strategy to use (from 0 to 5) (default pc_n)
pc 0 ..FV....... 2-way match (p/c)
pc_n 1 ..FV....... 2-way match + 3rd match on combed (p/c + u)
pc_u 2 ..FV....... 2-way match + 3rd match (same order) on combed (p/c + u)
pc_n_ub 3 ..FV....... 2-way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b)
pcn 4 ..FV....... 3-way match (p/c/n)
pcn_ub 5 ..FV....... 3-way match + 4th/5th matches on combed (p/c/n + u/b)
ppsrc <boolean> ..FV....... mark main input as a pre-processed input and activate clean source input stream (default false)
field <int> ..FV....... set the field to match from (from -1 to 1) (default auto)
auto -1 ..FV....... automatic (same value as 'order')
bottom 0 ..FV....... bottom field
top 1 ..FV....... top field
mchroma <boolean> ..FV....... set whether or not chroma is included during the match comparisons (default true)
y0 <int> ..FV....... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
y1 <int> ..FV....... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
scthresh <double> ..FV....... set scene change detection threshold (from 0 to 100) (default 12)
combmatch <int> ..FV....... set combmatching mode (from 0 to 2) (default sc)
none 0 ..FV....... disable combmatching
sc 1 ..FV....... enable combmatching only on scene change
full 2 ..FV....... enable combmatching all the time
combdbg <int> ..FV....... enable comb debug (from 0 to 2) (default none)
none 0 ..FV....... no forced calculation
pcn 1 ..FV....... calculate p/c/n
pcnub 2 ..FV....... calculate p/c/n/u/b
cthresh <int> ..FV....... set the area combing threshold used for combed frame detection (from -1 to 255) (default 9)
chroma <boolean> ..FV....... set whether or not chroma is considered in the combed frame decision (default false)
blockx <int> ..FV....... set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
blocky <int> ..FV....... set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
combpel <int> ..FV....... set the number of combed pixels inside any of the blocky by blockx size blocks on the frame for the frame to be detected as combed (from 0 to INT_MAX) (default 80)

fieldorder AVOptions:
order <int> ..FV....... output field order (from 0 to 1) (default tff)
bff 0 ..FV....... bottom field first
tff 1 ..FV....... top field first

fillborders AVOptions:
left <int> ..FV.....T. set the left fill border (from 0 to INT_MAX) (default 0)
right <int> ..FV.....T. set the right fill border (from 0 to INT_MAX) (default 0)
top <int> ..FV.....T. set the top fill border (from 0 to INT_MAX) (default 0)
bottom <int> ..FV.....T. set the bottom fill border (from 0 to INT_MAX) (default 0)
mode <int> ..FV.....T. set the fill borders mode (from 0 to 6) (default smear)
smear 0 ..FV.....T.
mirror 1 ..FV.....T.
fixed 2 ..FV.....T.
reflect 3 ..FV.....T.
wrap 4 ..FV.....T.
fade 5 ..FV.....T.
margins 6 ..FV.....T.
color <color> ..FV.....T. set the color for the fixed/fade mode (default "black")

find_rect AVOptions:
object <string> ..FV....... object bitmap filename
threshold <float> ..FV....... set threshold (from 0 to 1) (default 0.5)
mipmaps <int> ..FV....... set mipmaps (from 1 to 5) (default 3)
xmin <int> ..FV....... (from 0 to INT_MAX) (default 0)
ymin <int> ..FV....... (from 0 to INT_MAX) (default 0)
xmax <int> ..FV....... (from 0 to INT_MAX) (default 0)
ymax <int> ..FV....... (from 0 to INT_MAX) (default 0)
discard <boolean> ..FV....... (default false)

floodfill AVOptions:
x <int> ..FV....... set pixel x coordinate (from 0 to 65535) (default 0)
y <int> ..FV....... set pixel y coordinate (from 0 to 65535) (default 0)
s0 <int> ..FV....... set source #0 component value (from -1 to 65535) (default 0)
s1 <int> ..FV....... set source #1 component value (from -1 to 65535) (default 0)
s2 <int> ..FV....... set source #2 component value (from -1 to 65535) (default 0)
s3 <int> ..FV....... set source #3 component value (from -1 to 65535) (default 0)
d0 <int> ..FV....... set destination #0 component value (from 0 to 65535) (default 0)
d1 <int> ..FV....... set destination #1 component value (from 0 to 65535) (default 0)
d2 <int> ..FV....... set destination #2 component value (from 0 to 65535) (default 0)
d3 <int> ..FV....... set destination #3 component value (from 0 to 65535) (default 0)

(no)format AVOptions:
pix_fmts <string> ..FV....... A '|'-separated list of pixel formats

fps AVOptions:
fps <string> ..FV....... A string describing desired output framerate (default "25")
start_time <double> ..FV....... Assume the first PTS should be this value. (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
round <int> ..FV....... set rounding method for timestamps (from 0 to 5) (default near)
zero 0 ..FV....... round towards 0
inf 1 ..FV....... round away from 0
down 2 ..FV....... round towards -infty
up 3 ..FV....... round towards +infty
near 5 ..FV....... round to nearest
eof_action <int> ..FV....... action performed for last frame (from 0 to 1) (default round)
round 0 ..FV....... round similar to other frames
pass 1 ..FV....... pass through last frame

framepack AVOptions:
format <int> ..FV....... Frame pack output format (from 0 to INT_MAX) (default sbs)
sbs 1 ..FV....... Views are packed next to each other
tab 2 ..FV....... Views are packed on top of each other
frameseq 3 ..FV....... Views are one after the other
lines 6 ..FV....... Views are interleaved by lines
columns 7 ..FV....... Views are interleaved by columns

framerate AVOptions:
fps <video_rate> ..FV....... required output frames per second rate (default "50")
interp_start <int> ..FV....... point to start linear interpolation (from 0 to 255) (default 15)
interp_end <int> ..FV....... point to end linear interpolation (from 0 to 255) (default 240)
scene <double> ..FV....... scene change level (from 0 to 100) (default 8.2)
flags <flags> ..FV....... set flags (default scene_change_detect+scd)
scene_change_detect ..FV....... enable scene change detection
scd ..FV....... enable scene change detection

framestep AVOptions:
step <int> ..FV....... set frame step (from 1 to INT_MAX) (default 1)

freezedetect AVOptions:
n <double> ..FV....... set noise tolerance (from 0 to 1) (default 0.001)
noise <double> ..FV....... set noise tolerance (from 0 to 1) (default 0.001)
d <duration> ..FV....... set minimum duration in seconds (default 2)
duration <duration> ..FV....... set minimum duration in seconds (default 2)

freezeframes AVOptions:
first <int64> ..FV....... set first frame to freeze (from 0 to I64_MAX) (default 0)
last <int64> ..FV....... set last frame to freeze (from 0 to I64_MAX) (default 0)
replace <int64> ..FV....... set frame to replace (from 0 to I64_MAX) (default 0)

fspp AVOptions:
quality <int> ..FV....... set quality (from 4 to 5) (default 4)
qp <int> ..FV....... force a constant quantizer parameter (from 0 to 64) (default 0)
strength <int> ..FV....... set filter strength (from -15 to 32) (default 0)
use_bframe_qp <boolean> ..FV....... use B-frames' QP (default false)

gblur AVOptions:
sigma <float> ..FV.....T. set sigma (from 0 to 1024) (default 0.5)
steps <int> ..FV.....T. set number of steps (from 1 to 6) (default 1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
sigmaV <float> ..FV.....T. set vertical sigma (from -1 to 1024) (default -1)

geq AVOptions:
lum_expr <string> ..FV....... set luminance expression
lum <string> ..FV....... set luminance expression
cb_expr <string> ..FV....... set chroma blue expression
cb <string> ..FV....... set chroma blue expression
cr_expr <string> ..FV....... set chroma red expression
cr <string> ..FV....... set chroma red expression
alpha_expr <string> ..FV....... set alpha expression
a <string> ..FV....... set alpha expression
red_expr <string> ..FV....... set red expression
r <string> ..FV....... set red expression
green_expr <string> ..FV....... set green expression
g <string> ..FV....... set green expression
blue_expr <string> ..FV....... set blue expression
b <string> ..FV....... set blue expression
interpolation <int> ..FV....... set interpolation method (from 0 to 1) (default bilinear)
nearest 0 ..FV....... nearest interpolation
n 0 ..FV....... nearest interpolation
bilinear 1 ..FV....... bilinear interpolation
b 1 ..FV....... bilinear interpolation
i <int> ..FV....... set interpolation method (from 0 to 1) (default bilinear)
nearest 0 ..FV....... nearest interpolation
n 0 ..FV....... nearest interpolation
bilinear 1 ..FV....... bilinear interpolation
b 1 ..FV....... bilinear interpolation

gradfun AVOptions:
strength <float> ..FV....... The maximum amount by which the filter will change any one pixel. (from 0.51 to 64) (default 1.2)
radius <int> ..FV....... The neighborhood to fit the gradient to. (from 4 to 32) (default 16)

(a)graphmonitor AVOptions:
size <image_size> ..FV....... set monitor size (default "hd720")
s <image_size> ..FV....... set monitor size (default "hd720")
opacity <float> ..FV.....T. set video opacity (from 0 to 1) (default 0.9)
o <float> ..FV.....T. set video opacity (from 0 to 1) (default 0.9)
mode <flags> ..FV.....T. set mode (default 0)
full ..FV.....T.
compact ..FV.....T.
nozero ..FV.....T.
noeof ..FV.....T.
nodisabled ..FV.....T.
m <flags> ..FV.....T. set mode (default 0)
full ..FV.....T.
compact ..FV.....T.
nozero ..FV.....T.
noeof ..FV.....T.
nodisabled ..FV.....T.
flags <flags> ..FV.....T. set flags (default all+queue)
none ..FV.....T.
all ..FV.....T.
queue ..FV.....T.
frame_count_in ..FV.....T.
frame_count_out ..FV.....T.
frame_count_delta ..FV.....T.
pts ..FV.....T.
pts_delta ..FV.....T.
time ..FV.....T.
time_delta ..FV.....T.
timebase ..FV.....T.
format ..FV.....T.
size ..FV.....T.
rate ..FV.....T.
eof ..FV.....T.
sample_count_in ..FV.....T.
sample_count_out ..FV.....T.
sample_count_delta ..FV.....T.
disabled ..FV.....T.
f <flags> ..FV.....T. set flags (default all+queue)
none ..FV.....T.
all ..FV.....T.
queue ..FV.....T.
frame_count_in ..FV.....T.
frame_count_out ..FV.....T.
frame_count_delta ..FV.....T.
pts ..FV.....T.
pts_delta ..FV.....T.
time ..FV.....T.
time_delta ..FV.....T.
timebase ..FV.....T.
format ..FV.....T.
size ..FV.....T.
rate ..FV.....T.
eof ..FV.....T.
sample_count_in ..FV.....T.
sample_count_out ..FV.....T.
sample_count_delta ..FV.....T.
disabled ..FV.....T.
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")

grayworld AVOptions:

greyedge AVOptions:
difford <int> ..FV....... set differentiation order (from 0 to 2) (default 1)
minknorm <int> ..FV....... set Minkowski norm (from 0 to 20) (default 1)
sigma <double> ..FV....... set sigma (from 0 to 1024) (default 1)

guided AVOptions:
radius <int> ..FV.....T. set the box radius (from 1 to 20) (default 3)
eps <float> ..FV.....T. set the regularization parameter (with square) (from 0 to 1) (default 0.01)
mode <int> ..FV.....T. set filtering mode (0: basic mode; 1: fast mode) (from 0 to 1) (default basic)
basic 0 ..FV.....T. basic guided filter
fast 1 ..FV.....T. fast guided filter
sub <int> ..FV.....T. subsampling ratio for fast mode (from 2 to 64) (default 4)
guidance <int> ..FV....... set guidance mode (0: off mode; 1: on mode) (from 0 to 1) (default off)
off 0 ..FV....... only one input is enabled
on 1 ..FV....... two inputs are required
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 1)

haldclut AVOptions:
clut <int> ..FV.....T. when to process CLUT (from 0 to 1) (default all)
first 0 ..FV.....T. process only first CLUT, ignore rest
all 1 ..FV.....T. process all CLUTs
interp <int> ..FV.....T. select interpolation mode (from 0 to 4) (default tetrahedral)
nearest 0 ..FV.....T. use values from the nearest defined points
trilinear 1 ..FV.....T. interpolate values using the 8 points defining a cube
tetrahedral 2 ..FV.....T. interpolate values using a tetrahedron
pyramid 3 ..FV.....T. interpolate values using a pyramid
prism 4 ..FV.....T. interpolate values using a prism

hflip AVOptions:

histeq AVOptions:
strength <float> ..FV....... set the strength (from 0 to 1) (default 0.2)
intensity <float> ..FV....... set the intensity (from 0 to 1) (default 0.21)
antibanding <int> ..FV....... set the antibanding level (from 0 to 2) (default none)
none 0 ..FV....... apply no antibanding
weak 1 ..FV....... apply weak antibanding
strong 2 ..FV....... apply strong antibanding

histogram AVOptions:
level_height <int> ..FV....... set level height (from 50 to 2048) (default 200)
scale_height <int> ..FV....... set scale height (from 0 to 40) (default 12)
display_mode <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
parade 1 ..FV.......
stack 2 ..FV.......
d <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
parade 1 ..FV.......
stack 2 ..FV.......
levels_mode <int> ..FV....... set levels mode (from 0 to 1) (default linear)
linear 0 ..FV.......
logarithmic 1 ..FV.......
m <int> ..FV....... set levels mode (from 0 to 1) (default linear)
linear 0 ..FV.......
logarithmic 1 ..FV.......
components <int> ..FV....... set color components to display (from 1 to 15) (default 7)
c <int> ..FV....... set color components to display (from 1 to 15) (default 7)
fgopacity <float> ..FV....... set foreground opacity (from 0 to 1) (default 0.7)
f <float> ..FV....... set foreground opacity (from 0 to 1) (default 0.7)
bgopacity <float> ..FV....... set background opacity (from 0 to 1) (default 0.5)
b <float> ..FV....... set background opacity (from 0 to 1) (default 0.5)
colors_mode <int> ..FV....... set colors mode (from 0 to 9) (default whiteonblack)
whiteonblack 0 ..FV.......
blackonwhite 1 ..FV.......
whiteongray 2 ..FV.......
blackongray 3 ..FV.......
coloronblack 4 ..FV.......
coloronwhite 5 ..FV.......
colorongray 6 ..FV.......
blackoncolor 7 ..FV.......
whiteoncolor 8 ..FV.......
grayoncolor 9 ..FV.......
l <int> ..FV....... set colors mode (from 0 to 9) (default whiteonblack)
whiteonblack 0 ..FV.......
blackonwhite 1 ..FV.......
whiteongray 2 ..FV.......
blackongray 3 ..FV.......
coloronblack 4 ..FV.......
coloronwhite 5 ..FV.......
colorongray 6 ..FV.......
blackoncolor 7 ..FV.......
whiteoncolor 8 ..FV.......
grayoncolor 9 ..FV.......

hqdn3d AVOptions:
luma_spatial <double> ..FV.....T. spatial luma strength (from 0 to DBL_MAX) (default 0)
chroma_spatial <double> ..FV.....T. spatial chroma strength (from 0 to DBL_MAX) (default 0)
luma_tmp <double> ..FV.....T. temporal luma strength (from 0 to DBL_MAX) (default 0)
chroma_tmp <double> ..FV.....T. temporal chroma strength (from 0 to DBL_MAX) (default 0)

hqx AVOptions:
n <int> ..FV....... set scale factor (from 2 to 4) (default 3)

(h|v)stack AVOptions:
inputs <int> ..FV....... set number of inputs (from 2 to INT_MAX) (default 2)
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)

hsvhold AVOptions:
hue <float> ..FV.....T. set the hue value (from -360 to 360) (default 0)
sat <float> ..FV.....T. set the saturation value (from -1 to 1) (default 0)
val <float> ..FV.....T. set the value value (from -1 to 1) (default 0)
similarity <float> ..FV.....T. set the hsvhold similarity value (from 1e-005 to 1) (default 0.01)
blend <float> ..FV.....T. set the hsvhold blend value (from 0 to 1) (default 0)

hsvkey AVOptions:
hue <float> ..FV.....T. set the hue value (from -360 to 360) (default 0)
sat <float> ..FV.....T. set the saturation value (from -1 to 1) (default 0)
val <float> ..FV.....T. set the value value (from -1 to 1) (default 0)
similarity <float> ..FV.....T. set the hsvkey similarity value (from 1e-005 to 1) (default 0.01)
blend <float> ..FV.....T. set the hsvkey blend value (from 0 to 1) (default 0)

hue AVOptions:
h <string> ..FV.....T. set the hue angle degrees expression
s <string> ..FV.....T. set the saturation expression (default "1")
H <string> ..FV.....T. set the hue angle radians expression
b <string> ..FV.....T. set the brightness expression (default "0")

huesaturation AVOptions:
hue <float> ..FV.....T. set the hue shift (from -180 to 180) (default 0)
saturation <float> ..FV.....T. set the saturation shift (from -1 to 1) (default 0)
intensity <float> ..FV.....T. set the intensity shift (from -1 to 1) (default 0)
colors <flags> ..FV.....T. set colors range (default r+y+g+c+b+m+a)
r ..FV.....T. set reds
y ..FV.....T. set yellows
g ..FV.....T. set greens
c ..FV.....T. set cyans
b ..FV.....T. set blues
m ..FV.....T. set magentas
a ..FV.....T. set all colors
strength <float> ..FV.....T. set the filtering strength (from 0 to 100) (default 1)
rw <float> ..FV.....T. set the red weight (from 0 to 1) (default 0.333)
gw <float> ..FV.....T. set the green weight (from 0 to 1) (default 0.334)
bw <float> ..FV.....T. set the blue weight (from 0 to 1) (default 0.333)
lightness <boolean> ..FV.....T. set the preserve lightness (default false)

hwmap AVOptions:
mode <flags> ..FV....... Frame mapping mode (default read+write)
read ..FV....... Mapping should be readable
write ..FV....... Mapping should be writeable
overwrite ..FV....... Mapping will always overwrite the entire frame
direct ..FV....... Mapping should not involve any copying
derive_device <string> ..FV....... Derive a new device of this type
reverse <int> ..FV....... Map in reverse (create and allocate in the sink) (from 0 to 1) (default 0)

hwupload AVOptions:
derive_device <string> ..FV....... Derive a new device of this type

cudaupload AVOptions:
device <int> ..FV....... Number of the device to use (from 0 to INT_MAX) (default 0)

hysteresis AVOptions:
planes <int> ..FV....... set planes (from 0 to 15) (default 15)
threshold <int> ..FV....... set threshold (from 0 to 65535) (default 0)

identity AVOptions:

idet AVOptions:
intl_thres <float> ..FV....... set interlacing threshold (from -1 to FLT_MAX) (default 1.04)
prog_thres <float> ..FV....... set progressive threshold (from -1 to FLT_MAX) (default 1.5)
rep_thres <float> ..FV....... set repeat threshold (from -1 to FLT_MAX) (default 3)
half_life <float> ..FV....... half life of cumulative statistics (from -1 to INT_MAX) (default 0)
analyze_interlaced_flag <int> ..FV....... set number of frames to use to determine if the interlace flag is accurate (from 0 to INT_MAX) (default 0)

il AVOptions:
luma_mode <int> ..FV.....T. select luma mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
l <int> ..FV.....T. select luma mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
chroma_mode <int> ..FV.....T. select chroma mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
c <int> ..FV.....T. select chroma mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
alpha_mode <int> ..FV.....T. select alpha mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
a <int> ..FV.....T. select alpha mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
luma_swap <boolean> ..FV.....T. swap luma fields (default false)
ls <boolean> ..FV.....T. swap luma fields (default false)
chroma_swap <boolean> ..FV.....T. swap chroma fields (default false)
cs <boolean> ..FV.....T. swap chroma fields (default false)
alpha_swap <boolean> ..FV.....T. swap alpha fields (default false)
as <boolean> ..FV.....T. swap alpha fields (default false)

interlace AVOptions:
scan <int> ..FV....... scanning mode (from 0 to 1) (default tff)
tff 0 ..FV....... top field first
bff 1 ..FV....... bottom field first
lowpass <int> ..FV....... set vertical low-pass filter (from 0 to 2) (default linear)
off 0 ..FV....... disable vertical low-pass filter
linear 1 ..FV....... linear vertical low-pass filter
complex 2 ..FV....... complex vertical low-pass filter

interleave AVOptions:
nb_inputs <int> ..FV....... set number of inputs (from 1 to INT_MAX) (default 2)
n <int> ..FV....... set number of inputs (from 1 to INT_MAX) (default 2)
duration <int> ..FV....... how to determine the end-of-stream (from 0 to 2) (default longest)
longest 0 ..FV....... Duration of longest input
shortest 1 ..FV....... Duration of shortest input
first 2 ..FV....... Duration of first input

kerndeint AVOptions:
thresh <int> ..FV....... set the threshold (from 0 to 255) (default 10)
map <boolean> ..FV....... set the map (default false)
order <boolean> ..FV....... set the order (default false)
sharp <boolean> ..FV....... set sharpening (default false)
twoway <boolean> ..FV....... set twoway (default false)

kirsch/prewitt/roberts/scharr/sobel AVOptions:
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
scale <float> ..FV.....T. set scale (from 0 to 65535) (default 1)
delta <float> ..FV.....T. set delta (from -65535 to 65535) (default 0)

lagfun AVOptions:
decay <float> ..FV.....T. set decay (from 0 to 1) (default 0.95)
planes <flags> ..FV.....T. set what planes to filter (default F)

lenscorrection AVOptions:
cx <double> ..FV.....T. set relative center x (from 0 to 1) (default 0.5)
cy <double> ..FV.....T. set relative center y (from 0 to 1) (default 0.5)
k1 <double> ..FV.....T. set quadratic distortion factor (from -1 to 1) (default 0)
k2 <double> ..FV.....T. set double quadratic distortion factor (from -1 to 1) (default 0)
i <int> ..FV.....T. set interpolation type (from 0 to 64) (default nearest)
nearest 0 ..FV.....T. nearest neighbour
bilinear 1 ..FV.....T. bilinear
fc <color> ..FV.....T. set the color of the unmapped pixels (default "black@0")

limitdiff AVOptions:
threshold <float> ..FV.....T. set the threshold (from 0 to 1) (default 0.00392157)
elasticity <float> ..FV.....T. set the elasticity (from 0 to 10) (default 2)
reference <boolean> ..FV....... enable reference stream (default false)
planes <int> ..FV.....T. set the planes to filter (from 0 to 15) (default 15)

limiter AVOptions:
min <int> ..FV.....T. set min value (from 0 to 65535) (default 0)
max <int> ..FV.....T. set max value (from 0 to 65535) (default 65535)
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)

loop AVOptions:
loop <int> ..FV....... number of loops (from -1 to INT_MAX) (default 0)
size <int64> ..FV....... max number of frames to loop (from 0 to 32767) (default 0)
start <int64> ..FV....... set the loop start frame (from -1 to I64_MAX) (default 0)
time <duration> ..FV....... set the loop start time (default INT64_MAX)

lumakey AVOptions:
threshold <double> ..FV.....T. set the threshold value (from 0 to 1) (default 0)
tolerance <double> ..FV.....T. set the tolerance value (from 0 to 1) (default 0.01)
softness <double> ..FV.....T. set the softness value (from 0 to 1) (default 0)

lut/lutyuv/lutrgb AVOptions:
c0 <string> ..FV.....T. set component #0 expression (default "clipval")
c1 <string> ..FV.....T. set component #1 expression (default "clipval")
c2 <string> ..FV.....T. set component #2 expression (default "clipval")
c3 <string> ..FV.....T. set component #3 expression (default "clipval")
y <string> ..FV.....T. set Y expression (default "clipval")
u <string> ..FV.....T. set U expression (default "clipval")
v <string> ..FV.....T. set V expression (default "clipval")
r <string> ..FV.....T. set R expression (default "clipval")
g <string> ..FV.....T. set G expression (default "clipval")
b <string> ..FV.....T. set B expression (default "clipval")
a <string> ..FV.....T. set A expression (default "clipval")

lut1d AVOptions:
file <string> ..FV.....T. set 1D LUT file name
interp <int> ..FV.....T. select interpolation mode (from 0 to 4) (default linear)
nearest 0 ..FV.....T. use values from the nearest defined points
linear 1 ..FV.....T. use values from the linear interpolation
cosine 3 ..FV.....T. use values from the cosine interpolation
cubic 2 ..FV.....T. use values from the cubic interpolation
spline 4 ..FV.....T. use values from the spline interpolation

lut2 AVOptions:
c0 <string> ..FV.....T. set component #0 expression (default "x")
c1 <string> ..FV.....T. set component #1 expression (default "x")
c2 <string> ..FV.....T. set component #2 expression (default "x")
c3 <string> ..FV.....T. set component #3 expression (default "x")
d <int> ..FV....... set output depth (from 0 to 16) (default 0)

lut3d AVOptions:
file <string> ..FV....... set 3D LUT file name
clut <int> ..FV.....T. when to process CLUT (from 0 to 1) (default all)
first 0 ..FV.....T. process only first CLUT, ignore rest
all 1 ..FV.....T. process all CLUTs
interp <int> ..FV.....T. select interpolation mode (from 0 to 4) (default tetrahedral)
nearest 0 ..FV.....T. use values from the nearest defined points
trilinear 1 ..FV.....T. interpolate values using the 8 points defining a cube
tetrahedral 2 ..FV.....T. interpolate values using a tetrahedron
pyramid 3 ..FV.....T. interpolate values using a pyramid
prism 4 ..FV.....T. interpolate values using a prism

maskedclamp AVOptions:
undershoot <int> ..FV.....T. set undershoot (from 0 to 65535) (default 0)
overshoot <int> ..FV.....T. set overshoot (from 0 to 65535) (default 0)
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)

masked(min|max) AVOptions:
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)

maskedmerge AVOptions:
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)

masked(min|max) AVOptions:
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)

maskedthreshold AVOptions:
threshold <int> ..FV.....T. set threshold (from 0 to 65535) (default 1)
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)
mode <int> ..FV....... set mode (from 0 to 1) (default abs)
abs 0 ..FV.......
diff 1 ..FV.......

maskfun AVOptions:
low <int> ..FV.....T. set low threshold (from 0 to 65535) (default 10)
high <int> ..FV.....T. set high threshold (from 0 to 65535) (default 10)
planes <int> ..FV.....T. set planes (from 0 to 15) (default 15)
fill <int> ..FV.....T. set fill value (from 0 to 65535) (default 0)
sum <int> ..FV.....T. set sum value (from 0 to 65535) (default 10)

mcdeint AVOptions:
mode <int> ..FV....... set mode (from 0 to 3) (default fast)
fast 0 ..FV.......
medium 1 ..FV.......
slow 2 ..FV.......
extra_slow 3 ..FV.......
parity <int> ..FV....... set the assumed picture field parity (from -1 to 1) (default bff)
tff 0 ..FV....... assume top field first
bff 1 ..FV....... assume bottom field first
qp <int> ..FV....... set qp (from INT_MIN to INT_MAX) (default 1)

median AVOptions:
radius <int> ..FV.....T. set median radius (from 1 to 127) (default 1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
radiusV <int> ..FV.....T. set median vertical radius (from 0 to 127) (default 0)
percentile <float> ..FV.....T. set median percentile (from 0 to 1) (default 0.5)

mergeplanes AVOptions:
mapping <int> ..FV......P set input to output plane mapping (from -1 to 8.58993e+008) (default -1)
format <pix_fmt> ..FV....... set output pixel format (default yuva444p)
map0s <int> ..FV....... set 1st input to output stream mapping (from 0 to 3) (default 0)
map0p <int> ..FV....... set 1st input to output plane mapping (from 0 to 3) (default 0)
map1s <int> ..FV....... set 2nd input to output stream mapping (from 0 to 3) (default 0)
map1p <int> ..FV....... set 2nd input to output plane mapping (from 0 to 3) (default 0)
map2s <int> ..FV....... set 3rd input to output stream mapping (from 0 to 3) (default 0)
map2p <int> ..FV....... set 3rd input to output plane mapping (from 0 to 3) (default 0)
map3s <int> ..FV....... set 4th input to output stream mapping (from 0 to 3) (default 0)
map3p <int> ..FV....... set 4th input to output plane mapping (from 0 to 3) (default 0)

mestimate AVOptions:
method <int> ..FV....... motion estimation method (from 1 to 9) (default esa)
esa 1 ..FV....... exhaustive search
tss 2 ..FV....... three step search
tdls 3 ..FV....... two dimensional logarithmic search
ntss 4 ..FV....... new three step search
fss 5 ..FV....... four step search
ds 6 ..FV....... diamond search
hexbs 7 ..FV....... hexagon-based search
epzs 8 ..FV....... enhanced predictive zonal search
umh 9 ..FV....... uneven multi-hexagon search
mb_size <int> ..FV....... macroblock size (from 8 to INT_MAX) (default 16)
search_param <int> ..FV....... search parameter (from 4 to INT_MAX) (default 7)

metadata AVOptions:
mode <int> ..FV....... set a mode of operation (from 0 to 4) (default select)
select 0 ..FV....... select frame
add 1 ..FV....... add new metadata
modify 2 ..FV....... modify metadata
delete 3 ..FV....... delete metadata
print 4 ..FV....... print metadata
key <string> ..FV....... set metadata key
value <string> ..FV....... set metadata value
function <int> ..FV....... function for comparing values (from 0 to 6) (default same_str)
same_str 0 ..FV.......
starts_with 1 ..FV.......
less 2 ..FV.......
equal 3 ..FV.......
greater 4 ..FV.......
expr 5 ..FV.......
ends_with 6 ..FV.......
expr <string> ..FV....... set expression for expr function
file <string> ..FV....... set file where to print metadata information
direct <boolean> ..FV....... reduce buffering when printing to user-set file or pipe (default false)

midequalizer AVOptions:
planes <int> ..FV....... set planes (from 0 to 15) (default 15)

minterpolate AVOptions:
fps <video_rate> ..FV....... output's frame rate (default "60")
mi_mode <int> ..FV....... motion interpolation mode (from 0 to 2) (default mci)
dup 0 ..FV....... duplicate frames
blend 1 ..FV....... blend frames
mci 2 ..FV....... motion compensated interpolation
mc_mode <int> ..FV....... motion compensation mode (from 0 to 1) (default obmc)
obmc 0 ..FV....... overlapped block motion compensation
aobmc 1 ..FV....... adaptive overlapped block motion compensation
me_mode <int> ..FV....... motion estimation mode (from 0 to 1) (default bilat)
bidir 0 ..FV....... bidirectional motion estimation
bilat 1 ..FV....... bilateral motion estimation
me <int> ..FV....... motion estimation method (from 1 to 9) (default epzs)
esa 1 ..FV....... exhaustive search
tss 2 ..FV....... three step search
tdls 3 ..FV....... two dimensional logarithmic search
ntss 4 ..FV....... new three step search
fss 5 ..FV....... four step search
ds 6 ..FV....... diamond search
hexbs 7 ..FV....... hexagon-based search
epzs 8 ..FV....... enhanced predictive zonal search
umh 9 ..FV....... uneven multi-hexagon search
mb_size <int> ..FV....... macroblock size (from 4 to 16) (default 16)
search_param <int> ..FV....... search parameter (from 4 to INT_MAX) (default 32)
vsbmc <int> ..FV....... variable-size block motion compensation (from 0 to 1) (default 0)
scd <int> ..FV....... scene change detection method (from 0 to 1) (default fdiff)
none 0 ..FV....... disable detection
fdiff 1 ..FV....... frame difference
scd_threshold <double> ..FV....... scene change threshold (from 0 to 100) (default 10)

mix AVOptions:
inputs <int> ..FV....... set number of inputs (from 2 to 32767) (default 2)
weights <string> ..FV.....T. set weight for each input (default "1 1")
scale <float> ..FV.....T. set scale (from 0 to 32767) (default 0)
planes <flags> ..FV.....T. set what planes to filter (default F)
duration <int> ..FV....... how to determine end of stream (from 0 to 2) (default longest)
longest 0 ..FV....... Duration of longest input
shortest 1 ..FV....... Duration of shortest input
first 2 ..FV....... Duration of first input

monochrome AVOptions:
cb <float> ..FV.....T. set the chroma blue spot (from -1 to 1) (default 0)
cr <float> ..FV.....T. set the chroma red spot (from -1 to 1) (default 0)
size <float> ..FV.....T. set the color filter size (from 0.1 to 10) (default 1)
high <float> ..FV.....T. set the highlights strength (from 0 to 1) (default 0)

morpho AVOptions:
mode <int> ..FV.....T. set morphological transform (from 0 to 6) (default erode)
erode 0 ..FV.....T.
dilate 1 ..FV.....T.
open 2 ..FV.....T.
close 3 ..FV.....T.
gradient 4 ..FV.....T.
tophat 5 ..FV.....T.
blackhat 6 ..FV.....T.
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 7)
structure <int> ..FV.....T. when to process structures (from 0 to 1) (default all)
first 0 ..FV.....T. process only first structure, ignore rest
all 1 ..FV.....T. process all structure

mpdecimate AVOptions:
max <int> ..FV....... set the maximum number of consecutive dropped frames (positive), or the minimum interval between dropped frames (negative) (from INT_MIN to INT_MAX) (default 0)
keep <int> ..FV....... set the number of similar consecutive frames to be kept before starting to drop similar frames (from 0 to INT_MAX) (default 0)
hi <int> ..FV....... set high dropping threshold (from INT_MIN to INT_MAX) (default 768)
lo <int> ..FV....... set low dropping threshold (from INT_MIN to INT_MAX) (default 320)
frac <float> ..FV....... set fraction dropping threshold (from 0 to 1) (default 0.33)

msad AVOptions:

multiply AVOptions:
scale <float> ..FV.....T. set scale (from 0 to 9) (default 1)
offset <float> ..FV.....T. set offset (from -1 to 1) (default 0.5)
planes <flags> ..FV.....T. set planes (default F)

negate AVOptions:
components <flags> ..FV.....T. set components to negate (default y+u+v+r+g+b)
y ..FV.....T. set luma component
u ..FV.....T. set u component
v ..FV.....T. set v component
r ..FV.....T. set red component
g ..FV.....T. set green component
b ..FV.....T. set blue component
a ..FV.....T. set alpha component
negate_alpha <boolean> ..FV.....T. (default false)

nlmeans AVOptions:
s <double> ..FV....... denoising strength (from 1 to 30) (default 1)
p <int> ..FV....... patch size (from 0 to 99) (default 7)
pc <int> ..FV....... patch size for chroma planes (from 0 to 99) (default 0)
r <int> ..FV....... research window (from 0 to 99) (default 15)
rc <int> ..FV....... research window for chroma planes (from 0 to 99) (default 0)

nnedi AVOptions:
weights <string> ..FV....... set weights file (default "nnedi3_weights.bin")
deint <int> ..FV.....T. set which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV.....T. deinterlace all frames
interlaced 1 ..FV.....T. only deinterlace frames marked as interlaced
field <int> ..FV.....T. set mode of operation (from -2 to 3) (default a)
af -2 ..FV.....T. use frame flags, both fields
a -1 ..FV.....T. use frame flags, single field
t 0 ..FV.....T. use top field only
b 1 ..FV.....T. use bottom field only
tf 2 ..FV.....T. use both fields, top first
bf 3 ..FV.....T. use both fields, bottom first
planes <int> ..FV.....T. set which planes to process (from 0 to 15) (default 7)
nsize <int> ..FV.....T. set size of local neighborhood around each pixel, used by the predictor neural network (from 0 to 6) (default s32x4)
s8x6 0 ..FV.....T.
s16x6 1 ..FV.....T.
s32x6 2 ..FV.....T.
s48x6 3 ..FV.....T.
s8x4 4 ..FV.....T.
s16x4 5 ..FV.....T.
s32x4 6 ..FV.....T.
nns <int> ..FV.....T. set number of neurons in predictor neural network (from 0 to 4) (default n32)
n16 0 ..FV.....T.
n32 1 ..FV.....T.
n64 2 ..FV.....T.
n128 3 ..FV.....T.
n256 4 ..FV.....T.
qual <int> ..FV.....T. set quality (from 1 to 2) (default fast)
fast 1 ..FV.....T.
slow 2 ..FV.....T.
etype <int> ..FV.....T. set which set of weights to use in the predictor (from 0 to 1) (default a)
a 0 ..FV.....T. weights trained to minimize absolute error
abs 0 ..FV.....T. weights trained to minimize absolute error
s 1 ..FV.....T. weights trained to minimize squared error
mse 1 ..FV.....T. weights trained to minimize squared error
pscrn <int> ..FV.....T. set prescreening (from 0 to 4) (default new)
none 0 ..FV.....T.
original 1 ..FV.....T.
new 2 ..FV.....T.
new2 3 ..FV.....T.
new3 4 ..FV.....T.

(no)format AVOptions:
pix_fmts <string> ..FV....... A '|'-separated list of pixel formats

noise AVOptions:
all_seed <int> ..FV....... set component #0 noise seed (from -1 to INT_MAX) (default -1)
all_strength <int> ..FV....... set component #0 strength (from 0 to 100) (default 0)
alls <int> ..FV....... set component #0 strength (from 0 to 100) (default 0)
all_flags <flags> ..FV....... set component #0 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
allf <flags> ..FV....... set component #0 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c0_seed <int> ..FV....... set component #0 noise seed (from -1 to INT_MAX) (default -1)
c0_strength <int> ..FV....... set component #0 strength (from 0 to 100) (default 0)
c0s <int> ..FV....... set component #0 strength (from 0 to 100) (default 0)
c0_flags <flags> ..FV....... set component #0 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c0f <flags> ..FV....... set component #0 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c1_seed <int> ..FV....... set component #1 noise seed (from -1 to INT_MAX) (default -1)
c1_strength <int> ..FV....... set component #1 strength (from 0 to 100) (default 0)
c1s <int> ..FV....... set component #1 strength (from 0 to 100) (default 0)
c1_flags <flags> ..FV....... set component #1 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c1f <flags> ..FV....... set component #1 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c2_seed <int> ..FV....... set component #2 noise seed (from -1 to INT_MAX) (default -1)
c2_strength <int> ..FV....... set component #2 strength (from 0 to 100) (default 0)
c2s <int> ..FV....... set component #2 strength (from 0 to 100) (default 0)
c2_flags <flags> ..FV....... set component #2 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c2f <flags> ..FV....... set component #2 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c3_seed <int> ..FV....... set component #3 noise seed (from -1 to INT_MAX) (default -1)
c3_strength <int> ..FV....... set component #3 strength (from 0 to 100) (default 0)
c3s <int> ..FV....... set component #3 strength (from 0 to 100) (default 0)
c3_flags <flags> ..FV....... set component #3 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise
c3f <flags> ..FV....... set component #3 flags (default 0)
a ..FV....... averaged noise
p ..FV....... (semi)regular pattern
t ..FV....... temporal noise
u ..FV....... uniform noise

normalize AVOptions:
blackpt <color> ..FV.....T. output color to which darkest input color is mapped (default "black")
whitept <color> ..FV.....T. output color to which brightest input color is mapped (default "white")
smoothing <int> ..FV....... amount of temporal smoothing of the input range, to reduce flicker (from 0 to 2.68435e+008) (default 0)
independence <float> ..FV.....T. proportion of independent to linked channel normalization (from 0 to 1) (default 1)
strength <float> ..FV.....T. strength of filter, from no effect to full normalization (from 0 to 1) (default 1)

oscilloscope AVOptions:
x <float> ..FV.....T. set scope x position (from 0 to 1) (default 0.5)
y <float> ..FV.....T. set scope y position (from 0 to 1) (default 0.5)
s <float> ..FV.....T. set scope size (from 0 to 1) (default 0.8)
t <float> ..FV.....T. set scope tilt (from 0 to 1) (default 0.5)
o <float> ..FV.....T. set trace opacity (from 0 to 1) (default 0.8)
tx <float> ..FV.....T. set trace x position (from 0 to 1) (default 0.5)
ty <float> ..FV.....T. set trace y position (from 0 to 1) (default 0.9)
tw <float> ..FV.....T. set trace width (from 0.1 to 1) (default 0.8)
th <float> ..FV.....T. set trace height (from 0.1 to 1) (default 0.3)
c <int> ..FV.....T. set components to trace (from 0 to 15) (default 7)
g <boolean> ..FV.....T. draw trace grid (default true)
st <boolean> ..FV.....T. draw statistics (default true)
sc <boolean> ..FV.....T. draw scope (default true)

overlay AVOptions:
x <string> ..FV....... set the x expression (default "0")
y <string> ..FV....... set the y expression (default "0")
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default frame)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions per-frame
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
format <int> ..FV....... set output format (from 0 to 8) (default yuv420)
yuv420 0 ..FV.......
yuv420p10 1 ..FV.......
yuv422 2 ..FV.......
yuv422p10 3 ..FV.......
yuv444 4 ..FV.......
yuv444p10 5 ..FV.......
rgb 6 ..FV.......
gbrp 7 ..FV.......
auto 8 ..FV.......
repeatlast <boolean> ..FV....... repeat overlay of the last overlay frame (default true)
alpha <int> ..FV....... alpha format (from 0 to 1) (default straight)
straight 0 ..FV.......
premultiplied 1 ..FV.......

overlay_qsv AVOptions:
x <string> ..FV....... Overlay x position (default "0")
y <string> ..FV....... Overlay y position (default "0")
w <string> ..FV....... Overlay width (default "overlay_iw")
h <string> ..FV....... Overlay height (default "overlay_ih*w/overlay_iw")
alpha <int> ..FV....... Overlay global alpha (from 0 to 255) (default 255)
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... repeat overlay of the last overlay frame (default true)

owdenoise AVOptions:
depth <int> ..FV....... set depth (from 8 to 16) (default 8)
luma_strength <double> ..FV....... set luma strength (from 0 to 1000) (default 1)
ls <double> ..FV....... set luma strength (from 0 to 1000) (default 1)
chroma_strength <double> ..FV....... set chroma strength (from 0 to 1000) (default 1)
cs <double> ..FV....... set chroma strength (from 0 to 1000) (default 1)

pad AVOptions:
width <string> ..FV....... set the pad area width expression (default "iw")
w <string> ..FV....... set the pad area width expression (default "iw")
height <string> ..FV....... set the pad area height expression (default "ih")
h <string> ..FV....... set the pad area height expression (default "ih")
x <string> ..FV....... set the x offset expression for the input image position (default "0")
y <string> ..FV....... set the y offset expression for the input image position (default "0")
color <color> ..FV....... set the color of the padded area border (default "black")
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions during initialization and per-frame
aspect <rational> ..FV....... pad to fit an aspect instead of a resolution (from 0 to DBL_MAX) (default 0/1)

palettegen AVOptions:
max_colors <int> ..FV....... set the maximum number of colors to use in the palette (from 2 to 256) (default 256)
reserve_transparent <boolean> ..FV....... reserve a palette entry for transparency (default true)
transparency_color <color> ..FV....... set a background color for transparency (default "lime")
stats_mode <int> ..FV....... set statistics mode (from 0 to 2) (default full)
full 0 ..FV....... compute full frame histograms
diff 1 ..FV....... compute histograms only for the part that differs from previous frame
single 2 ..FV....... compute new histogram for each frame

paletteuse AVOptions:
dither <int> ..FV....... select dithering mode (from 0 to 8) (default sierra2_4a)
bayer 1 ..FV....... ordered 8x8 bayer dithering (deterministic)
heckbert 2 ..FV....... dithering as defined by Paul Heckbert in 1982 (simple error diffusion)
floyd_steinberg 3 ..FV....... Floyd and Steingberg dithering (error diffusion)
sierra2 4 ..FV....... Frankie Sierra dithering v2 (error diffusion)
sierra2_4a 5 ..FV....... Frankie Sierra dithering v2 "Lite" (error diffusion)
sierra3 6 ..FV....... Frankie Sierra dithering v3 (error diffusion)
burkes 7 ..FV....... Burkes dithering (error diffusion)
atkinson 8 ..FV....... Atkinson dithering by Bill Atkinson at Apple Computer (error diffusion)
bayer_scale <int> ..FV....... set scale for bayer dithering (from 0 to 5) (default 2)
diff_mode <int> ..FV....... set frame difference mode (from 0 to 1) (default 0)
rectangle 1 ..FV....... process smallest different rectangle
new <boolean> ..FV....... take new palette for each output frame (default false)
alpha_threshold <int> ..FV....... set the alpha threshold for transparency (from 0 to 255) (default 128)
debug_kdtree <string> ..FV....... save Graphviz graph of the kdtree in specified file

perspective AVOptions:
x0 <string> ..FV....... set top left x coordinate (default "0")
y0 <string> ..FV....... set top left y coordinate (default "0")
x1 <string> ..FV....... set top right x coordinate (default "W")
y1 <string> ..FV....... set top right y coordinate (default "0")
x2 <string> ..FV....... set bottom left x coordinate (default "0")
y2 <string> ..FV....... set bottom left y coordinate (default "H")
x3 <string> ..FV....... set bottom right x coordinate (default "W")
y3 <string> ..FV....... set bottom right y coordinate (default "H")
interpolation <int> ..FV....... set interpolation (from 0 to 1) (default linear)
linear 0 ..FV.......
cubic 1 ..FV.......
sense <int> ..FV....... specify the sense of the coordinates (from 0 to 1) (default source)
source 0 ..FV....... specify locations in source to send to corners in destination
destination 1 ..FV....... specify locations in destination to send corners of source
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions per-frame

phase AVOptions:
mode <int> ..FV.....T. set phase mode (from 0 to 8) (default A)
p 0 ..FV.....T. progressive
t 1 ..FV.....T. top first
b 2 ..FV.....T. bottom first
T 3 ..FV.....T. top first analyze
B 4 ..FV.....T. bottom first analyze
u 5 ..FV.....T. analyze
U 6 ..FV.....T. full analyze
a 7 ..FV.....T. auto
A 8 ..FV.....T. auto analyze

photosensitivity AVOptions:
frames <int> ..FV....... set how many frames to use (from 2 to 240) (default 30)
f <int> ..FV....... set how many frames to use (from 2 to 240) (default 30)
threshold <float> ..FV....... set detection threshold factor (lower is stricter) (from 0.1 to FLT_MAX) (default 1)
t <float> ..FV....... set detection threshold factor (lower is stricter) (from 0.1 to FLT_MAX) (default 1)
skip <int> ..FV....... set pixels to skip when sampling frames (from 1 to 1024) (default 1)
bypass <boolean> ..FV....... leave frames unchanged (default false)

pixelize AVOptions:
width <int> ..FV.....T. set block width (from 1 to 1024) (default 16)
w <int> ..FV.....T. set block width (from 1 to 1024) (default 16)
height <int> ..FV.....T. set block height (from 1 to 1024) (default 16)
h <int> ..FV.....T. set block height (from 1 to 1024) (default 16)
mode <int> ..FV.....T. set the pixelize mode (from 0 to 2) (default avg)
avg 0 ..FV.....T. average
min 1 ..FV.....T. minimum
max 2 ..FV.....T. maximum
m <int> ..FV.....T. set the pixelize mode (from 0 to 2) (default avg)
avg 0 ..FV.....T. average
min 1 ..FV.....T. minimum
max 2 ..FV.....T. maximum
planes <flags> ..FV.....T. set what planes to filter (default F)
p <flags> ..FV.....T. set what planes to filter (default F)

pixscope AVOptions:
x <float> ..FV.....T. set scope x offset (from 0 to 1) (default 0.5)
y <float> ..FV.....T. set scope y offset (from 0 to 1) (default 0.5)
w <int> ..FV.....T. set scope width (from 1 to 80) (default 7)
h <int> ..FV.....T. set scope height (from 1 to 80) (default 7)
o <float> ..FV.....T. set window opacity (from 0 to 1) (default 0.5)
wx <float> ..FV.....T. set window x offset (from -1 to 1) (default -1)
wy <float> ..FV.....T. set window y offset (from -1 to 1) (default -1)

pp AVOptions:
subfilters <string> ..FV....... set postprocess subfilters (default "de")

pp7 AVOptions:
qp <int> ..FV....... force a constant quantizer parameter (from 0 to 64) (default 0)
mode <int> ..FV....... set thresholding mode (from 0 to 2) (default medium)
hard 0 ..FV....... hard thresholding
soft 1 ..FV....... soft thresholding
medium 2 ..FV....... medium thresholding

(un)premultiply AVOptions:
planes <int> ..FV....... set planes (from 0 to 15) (default 15)
inplace <boolean> ..FV....... enable inplace mode (default false)

pseudocolor AVOptions:
c0 <string> ..FV.....T. set component #0 expression (default "val")
c1 <string> ..FV.....T. set component #1 expression (default "val")
c2 <string> ..FV.....T. set component #2 expression (default "val")
c3 <string> ..FV.....T. set component #3 expression (default "val")
index <int> ..FV.....T. set component as base (from 0 to 3) (default 0)
i <int> ..FV.....T. set component as base (from 0 to 3) (default 0)
preset <int> ..FV.....T. set preset (from -1 to 20) (default none)
none -1 ..FV.....T.
magma 0 ..FV.....T.
inferno 1 ..FV.....T.
plasma 2 ..FV.....T.
viridis 3 ..FV.....T.
turbo 4 ..FV.....T.
cividis 5 ..FV.....T.
range1 6 ..FV.....T.
range2 7 ..FV.....T.
shadows 8 ..FV.....T.
highlights 9 ..FV.....T.
solar 10 ..FV.....T.
nominal 11 ..FV.....T.
preferred 12 ..FV.....T.
total 13 ..FV.....T.
spectral 14 ..FV.....T.
cool 15 ..FV.....T.
heat 16 ..FV.....T.
fiery 17 ..FV.....T.
blues 18 ..FV.....T.
green 19 ..FV.....T.
helix 20 ..FV.....T.
p <int> ..FV.....T. set preset (from -1 to 20) (default none)
none -1 ..FV.....T.
magma 0 ..FV.....T.
inferno 1 ..FV.....T.
plasma 2 ..FV.....T.
viridis 3 ..FV.....T.
turbo 4 ..FV.....T.
cividis 5 ..FV.....T.
range1 6 ..FV.....T.
range2 7 ..FV.....T.
shadows 8 ..FV.....T.
highlights 9 ..FV.....T.
solar 10 ..FV.....T.
nominal 11 ..FV.....T.
preferred 12 ..FV.....T.
total 13 ..FV.....T.
spectral 14 ..FV.....T.
cool 15 ..FV.....T.
heat 16 ..FV.....T.
fiery 17 ..FV.....T.
blues 18 ..FV.....T.
green 19 ..FV.....T.
helix 20 ..FV.....T.
opacity <float> ..FV.....T. set pseudocolor opacity (from 0 to 1) (default 1)

psnr AVOptions:
stats_file <string> ..FV....... Set file where to store per-frame difference information
f <string> ..FV....... Set file where to store per-frame difference information
stats_version <int> ..FV....... Set the format version for the stats file. (from 1 to 2) (default 1)
output_max <boolean> ..FV....... Add raw stats (max values) to the output log. (default false)

pullup AVOptions:
jl <int> ..FV....... set left junk size (from 0 to INT_MAX) (default 1)
jr <int> ..FV....... set right junk size (from 0 to INT_MAX) (default 1)
jt <int> ..FV....... set top junk size (from 1 to INT_MAX) (default 4)
jb <int> ..FV....... set bottom junk size (from 1 to INT_MAX) (default 4)
sb <boolean> ..FV....... set strict breaks (default false)
mp <int> ..FV....... set metric plane (from 0 to 2) (default y)
y 0 ..FV....... luma
u 1 ..FV....... chroma blue
v 2 ..FV....... chroma red

qp AVOptions:
qp <string> ..FV....... set qp expression

random AVOptions:
frames <int> ..FV....... set number of frames in cache (from 2 to 512) (default 30)
seed <int64> ..FV....... set the seed (from -1 to UINT32_MAX) (default -1)

readeia608 AVOptions:
scan_min <int> ..FV.....T. set from which line to scan for codes (from 0 to INT_MAX) (default 0)
scan_max <int> ..FV.....T. set to which line to scan for codes (from 0 to INT_MAX) (default 29)
spw <float> ..FV.....T. set ratio of width reserved for sync code detection (from 0.1 to 0.7) (default 0.27)
chp <boolean> ..FV.....T. check and apply parity bit (default false)
lp <boolean> ..FV.....T. lowpass line prior to processing (default true)

readvitc AVOptions:
scan_max <int> ..FV....... maximum line numbers to scan for VITC data (from -1 to INT_MAX) (default 45)
thr_b <double> ..FV....... black color threshold (from 0 to 1) (default 0.2)
thr_w <double> ..FV....... white color threshold (from 0 to 1) (default 0.6)

(a)realtime AVOptions:
limit <duration> ..FVA....T. sleep time limit (default 2)
speed <double> ..FVA....T. speed factor (from DBL_MIN to DBL_MAX) (default 1)

remap AVOptions:
format <int> ..FV....... set output format (from 0 to 1) (default color)
color 0 ..FV.......
gray 1 ..FV.......
fill <color> ..FV....... set the color of the unmapped pixels (default "black")

removegrain AVOptions:
m0 <int> ..FV....... set mode for 1st plane (from 0 to 24) (default 0)
m1 <int> ..FV....... set mode for 2nd plane (from 0 to 24) (default 0)
m2 <int> ..FV....... set mode for 3rd plane (from 0 to 24) (default 0)
m3 <int> ..FV....... set mode for 4th plane (from 0 to 24) (default 0)

removelogo AVOptions:
filename <string> ..FV....... set bitmap filename
f <string> ..FV....... set bitmap filename

rgbashift AVOptions:
rh <int> ..FV.....T. shift red horizontally (from -255 to 255) (default 0)
rv <int> ..FV.....T. shift red vertically (from -255 to 255) (default 0)
gh <int> ..FV.....T. shift green horizontally (from -255 to 255) (default 0)
gv <int> ..FV.....T. shift green vertically (from -255 to 255) (default 0)
bh <int> ..FV.....T. shift blue horizontally (from -255 to 255) (default 0)
bv <int> ..FV.....T. shift blue vertically (from -255 to 255) (default 0)
ah <int> ..FV.....T. shift alpha horizontally (from -255 to 255) (default 0)
av <int> ..FV.....T. shift alpha vertically (from -255 to 255) (default 0)
edge <int> ..FV.....T. set edge operation (from 0 to 1) (default smear)
smear 0 ..FV.....T.
wrap 1 ..FV.....T.

rotate AVOptions:
angle <string> ..FV.....T. set angle (in radians) (default "0")
a <string> ..FV.....T. set angle (in radians) (default "0")
out_w <string> ..FV....... set output width expression (default "iw")
ow <string> ..FV....... set output width expression (default "iw")
out_h <string> ..FV....... set output height expression (default "ih")
oh <string> ..FV....... set output height expression (default "ih")
fillcolor <string> ..FV....... set background fill color (default "black")
c <string> ..FV....... set background fill color (default "black")
bilinear <boolean> ..FV....... use bilinear interpolation (default true)

sab AVOptions:
luma_radius <float> ..FV....... set luma radius (from 0.1 to 4) (default 1)
lr <float> ..FV....... set luma radius (from 0.1 to 4) (default 1)
luma_pre_filter_radius <float> ..FV....... set luma pre-filter radius (from 0.1 to 2) (default 1)
lpfr <float> ..FV....... set luma pre-filter radius (from 0.1 to 2) (default 1)
luma_strength <float> ..FV....... set luma strength (from 0.1 to 100) (default 1)
ls <float> ..FV....... set luma strength (from 0.1 to 100) (default 1)
chroma_radius <float> ..FV....... set chroma radius (from -0.9 to 4) (default -0.9)
cr <float> ..FV....... set chroma radius (from -0.9 to 4) (default -0.9)
chroma_pre_filter_radius <float> ..FV....... set chroma pre-filter radius (from -0.9 to 2) (default -0.9)
cpfr <float> ..FV....... set chroma pre-filter radius (from -0.9 to 2) (default -0.9)
chroma_strength <float> ..FV....... set chroma strength (from -0.9 to 100) (default -0.9)
cs <float> ..FV....... set chroma strength (from -0.9 to 100) (default -0.9)

scale(2ref) AVOptions:
w <string> ..FV.....T. Output video width
width <string> ..FV.....T. Output video width
h <string> ..FV.....T. Output video height
height <string> ..FV.....T. Output video height
flags <string> ..FV....... Flags to pass to libswscale (default "")
interl <boolean> ..FV....... set interlacing (default false)
in_color_matrix <string> ..FV....... set input YCbCr type (default "auto")
auto ..FV.......
bt601 ..FV.......
bt470 ..FV.......
smpte170m ..FV.......
bt709 ..FV.......
fcc ..FV.......
smpte240m ..FV.......
bt2020 ..FV.......
out_color_matrix <string> ..FV....... set output YCbCr type
auto ..FV.......
bt601 ..FV.......
bt470 ..FV.......
smpte170m ..FV.......
bt709 ..FV.......
fcc ..FV.......
smpte240m ..FV.......
bt2020 ..FV.......
in_range <int> ..FV....... set input color range (from 0 to 2) (default auto)
auto 0 ..FV.......
unknown 0 ..FV.......
full 2 ..FV.......
limited 1 ..FV.......
jpeg 2 ..FV.......
mpeg 1 ..FV.......
tv 1 ..FV.......
pc 2 ..FV.......
out_range <int> ..FV....... set output color range (from 0 to 2) (default auto)
auto 0 ..FV.......
unknown 0 ..FV.......
full 2 ..FV.......
limited 1 ..FV.......
jpeg 2 ..FV.......
mpeg 1 ..FV.......
tv 1 ..FV.......
pc 2 ..FV.......
in_v_chr_pos <int> ..FV....... input vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
in_h_chr_pos <int> ..FV....... input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
out_v_chr_pos <int> ..FV....... output vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
out_h_chr_pos <int> ..FV....... output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
force_original_aspect_ratio <int> ..FV....... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default disable)
disable 0 ..FV.......
decrease 1 ..FV.......
increase 2 ..FV.......
force_divisible_by <int> ..FV....... enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used (from 1 to 256) (default 1)
param0 <double> ..FV....... Scaler param 0 (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
param1 <double> ..FV....... Scaler param 1 (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions during initialization and per-frame

scale_qsv AVOptions:
w <string> ..FV....... Output video width(0=input video width, -1=keep input video aspect) (default "iw")
h <string> ..FV....... Output video height(0=input video height, -1=keep input video aspect) (default "ih")
format <string> ..FV....... Output pixel format (default "same")
mode <int> ..FV....... scaling & format conversion mode (from 0 to 2) (default 0)
low_power 1 ..FV....... low power mode
hq 2 ..FV....... high quality mode

scdet AVOptions:
threshold <double> ..FV....... set scene change detect threshold (from 0 to 100) (default 10)
t <double> ..FV....... set scene change detect threshold (from 0 to 100) (default 10)
sc_pass <boolean> ..FV....... Set the flag to pass scene change frames (default false)
s <boolean> ..FV....... Set the flag to pass scene change frames (default false)

scroll AVOptions:
horizontal <float> ..FV.....T. set the horizontal scrolling speed (from -1 to 1) (default 0)
h <float> ..FV.....T. set the horizontal scrolling speed (from -1 to 1) (default 0)
vertical <float> ..FV.....T. set the vertical scrolling speed (from -1 to 1) (default 0)
v <float> ..FV.....T. set the vertical scrolling speed (from -1 to 1) (default 0)
hpos <float> ..FV....... set initial horizontal position (from 0 to 1) (default 0)
vpos <float> ..FV....... set initial vertical position (from 0 to 1) (default 0)

segment AVOptions:
timestamps <string> ..FV....... timestamps of input at which to split input
frames <string> ..FV....... frames at which to split input

select AVOptions:
expr <string> ..FV....... set an expression to use for selecting frames (default "1")
e <string> ..FV....... set an expression to use for selecting frames (default "1")
outputs <int> ..FV....... set the number of outputs (from 1 to INT_MAX) (default 1)
n <int> ..FV....... set the number of outputs (from 1 to INT_MAX) (default 1)

selectivecolor AVOptions:
correction_method <int> ..FV....... select correction method (from 0 to 1) (default absolute)
absolute 0 ..FV.......
relative 1 ..FV.......
reds <string> ..FV....... adjust red regions
yellows <string> ..FV....... adjust yellow regions
greens <string> ..FV....... adjust green regions
cyans <string> ..FV....... adjust cyan regions
blues <string> ..FV....... adjust blue regions
magentas <string> ..FV....... adjust magenta regions
whites <string> ..FV....... adjust white regions
neutrals <string> ..FV....... adjust neutral regions
blacks <string> ..FV....... adjust black regions
psfile <string> ..FV....... set Photoshop selectivecolor file name

(a)sendcmd AVOptions:
commands <string> ..FVA...... set commands
c <string> ..FVA...... set commands
filename <string> ..FVA...... set commands file
f <string> ..FVA...... set commands file

setdar AVOptions:
dar <string> ..FV....... set display aspect ratio (default "0")
ratio <string> ..FV....... set display aspect ratio (default "0")
r <string> ..FV....... set display aspect ratio (default "0")
max <int> ..FV....... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100)

setfield AVOptions:
mode <int> ..FV....... select interlace mode (from -1 to 2) (default auto)
auto -1 ..FV....... keep the same input field
bff 0 ..FV....... mark as bottom-field-first
tff 1 ..FV....... mark as top-field-first
prog 2 ..FV....... mark as progressive

setparams AVOptions:
field_mode <int> ..FV....... select interlace mode (from -1 to 2) (default auto)
auto -1 ..FV....... keep the same input field
bff 0 ..FV....... mark as bottom-field-first
tff 1 ..FV....... mark as top-field-first
prog 2 ..FV....... mark as progressive
range <int> ..FV....... select color range (from -1 to 2) (default auto)
auto -1 ..FV....... keep the same color range
unspecified 0 ..FV.......
unknown 0 ..FV.......
limited 1 ..FV.......
tv 1 ..FV.......
mpeg 1 ..FV.......
full 2 ..FV.......
pc 2 ..FV.......
jpeg 2 ..FV.......
color_primaries <int> ..FV....... select color primaries (from -1 to 22) (default auto)
auto -1 ..FV....... keep the same color primaries
bt709 1 ..FV.......
unknown 2 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
film 8 ..FV.......
bt2020 9 ..FV.......
smpte428 10 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
color_trc <int> ..FV....... select color transfer (from -1 to 18) (default auto)
auto -1 ..FV....... keep the same color transfer
bt709 1 ..FV.......
unknown 2 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
linear 8 ..FV.......
log100 9 ..FV.......
log316 10 ..FV.......
iec61966-2-4 11 ..FV.......
bt1361e 12 ..FV.......
iec61966-2-1 13 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
smpte2084 16 ..FV.......
smpte428 17 ..FV.......
arib-std-b67 18 ..FV.......
colorspace <int> ..FV....... select colorspace (from -1 to 14) (default auto)
auto -1 ..FV....... keep the same colorspace
gbr 0 ..FV.......
bt709 1 ..FV.......
unknown 2 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
bt2020nc 9 ..FV.......
bt2020c 10 ..FV.......
smpte2085 11 ..FV.......
chroma-derived-nc 12 ..FV.......
chroma-derived-c 13 ..FV.......
ictcp 14 ..FV.......

setpts AVOptions:
expr <string> ..FV.....T. Expression determining the frame timestamp (default "PTS")

setrange AVOptions:
range <int> ..FV....... select color range (from -1 to 2) (default auto)
auto -1 ..FV....... keep the same color range
unspecified 0 ..FV.......
unknown 0 ..FV.......
limited 1 ..FV.......
tv 1 ..FV.......
mpeg 1 ..FV.......
full 2 ..FV.......
pc 2 ..FV.......
jpeg 2 ..FV.......

setsar AVOptions:
sar <string> ..FV....... set sample (pixel) aspect ratio (default "0")
ratio <string> ..FV....... set sample (pixel) aspect ratio (default "0")
r <string> ..FV....... set sample (pixel) aspect ratio (default "0")
max <int> ..FV....... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100)

settb AVOptions:
expr <string> ..FV....... set expression determining the output timebase (default "intb")
tb <string> ..FV....... set expression determining the output timebase (default "intb")

shear AVOptions:
shx <float> ..FV.....T. set x shear factor (from -2 to 2) (default 0)
shy <float> ..FV.....T. set y shear factor (from -2 to 2) (default 0)
fillcolor <string> ..FV.....T. set background fill color (default "black")
c <string> ..FV.....T. set background fill color (default "black")
interp <int> ..FV.....T. set interpolation (from 0 to 1) (default bilinear)
nearest 0 ..FV.....T. nearest neighbour
bilinear 1 ..FV.....T. bilinear

showinfo AVOptions:
checksum <boolean> ..FV....... calculate checksums (default true)

showpalette AVOptions:
s <int> ..FV....... set pixel box size (from 1 to 100) (default 30)

shuffleframes AVOptions:
mapping <string> ..FV....... set destination indexes of input frames (default "0")

shufflepixels AVOptions:
direction <int> ..FV....... set shuffle direction (from 0 to 1) (default forward)
forward 0 ..FV.......
inverse 1 ..FV.......
d <int> ..FV....... set shuffle direction (from 0 to 1) (default forward)
forward 0 ..FV.......
inverse 1 ..FV.......
mode <int> ..FV....... set shuffle mode (from 0 to 2) (default horizontal)
horizontal 0 ..FV.......
vertical 1 ..FV.......
block 2 ..FV.......
m <int> ..FV....... set shuffle mode (from 0 to 2) (default horizontal)
horizontal 0 ..FV.......
vertical 1 ..FV.......
block 2 ..FV.......
width <int> ..FV....... set block width (from 1 to 8000) (default 10)
w <int> ..FV....... set block width (from 1 to 8000) (default 10)
height <int> ..FV....... set block height (from 1 to 8000) (default 10)
h <int> ..FV....... set block height (from 1 to 8000) (default 10)
seed <int64> ..FV....... set random seed (from -1 to UINT32_MAX) (default -1)
s <int64> ..FV....... set random seed (from -1 to UINT32_MAX) (default -1)

shuffleplanes AVOptions:
map0 <int> ..FV....... Index of the input plane to be used as the first output plane (from 0 to 3) (default 0)
map1 <int> ..FV....... Index of the input plane to be used as the second output plane (from 0 to 3) (default 1)
map2 <int> ..FV....... Index of the input plane to be used as the third output plane (from 0 to 3) (default 2)
map3 <int> ..FV....... Index of the input plane to be used as the fourth output plane (from 0 to 3) (default 3)

sidedata AVOptions:
mode <int> ..FV....... set a mode of operation (from 0 to 1) (default select)
select 0 ..FV....... select frame
delete 1 ..FV....... delete side data
type <int> ..FV....... set side data type (from -1 to INT_MAX) (default -1)
PANSCAN 0 ..FV.......
A53_CC 1 ..FV.......
STEREO3D 2 ..FV.......
MATRIXENCODING 3 ..FV.......
DOWNMIX_INFO 4 ..FV.......
REPLAYGAIN 5 ..FV.......
DISPLAYMATRIX 6 ..FV.......
AFD 7 ..FV.......
MOTION_VECTORS 8 ..FV.......
SKIP_SAMPLES 9 ..FV.......
AUDIO_SERVICE_TYPE 10 ..FV.......
MASTERING_DISPLAY_METADATA 11 ..FV.......
GOP_TIMECODE 12 ..FV.......
SPHERICAL 13 ..FV.......
CONTENT_LIGHT_LEVEL 14 ..FV.......
ICC_PROFILE 15 ..FV.......
S12M_TIMECOD 16 ..FV.......
DYNAMIC_HDR_PLUS 17 ..FV.......
REGIONS_OF_INTEREST 18 ..FV.......
DETECTION_BOUNDING_BOXES 22 ..FV.......
SEI_UNREGISTERED 20 ..FV.......

signalstats AVOptions:
stat <flags> ..FV....... set statistics filters (default 0)
tout ..FV....... analyze pixels for temporal outliers
vrep ..FV....... analyze video lines for vertical line repetition
brng ..FV....... analyze for pixels outside of broadcast range
out <int> ..FV....... set video filter (from -1 to 2) (default -1)
tout 0 ..FV....... highlight pixels that depict temporal outliers
vrep 1 ..FV....... highlight video lines that depict vertical line repetition
brng 2 ..FV....... highlight pixels that are outside of broadcast range
c <color> ..FV....... set highlight color (default "yellow")
color <color> ..FV....... set highlight color (default "yellow")

signature AVOptions:
detectmode <int> ..FV....... set the detectmode (from 0 to 2) (default off)
off 0 ..FV.......
full 1 ..FV.......
fast 2 ..FV.......
nb_inputs <int> ..FV....... number of inputs (from 1 to INT_MAX) (default 1)
filename <string> ..FV....... filename for output files (default "")
format <int> ..FV....... set output format (from 0 to 1) (default binary)
binary 0 ..FV.......
xml 1 ..FV.......
th_d <int> ..FV....... threshold to detect one word as similar (from 1 to INT_MAX) (default 9000)
th_dc <int> ..FV....... threshold to detect all words as similar (from 1 to INT_MAX) (default 60000)
th_xh <int> ..FV....... threshold to detect frames as similar (from 1 to INT_MAX) (default 116)
th_di <int> ..FV....... minimum length of matching sequence in frames (from 0 to INT_MAX) (default 0)
th_it <double> ..FV....... threshold for relation of good to all frames (from 0 to 1) (default 0.5)

siti AVOptions:
print_summary <boolean> ..FV....... Print summary showing average values (default false)

smartblur AVOptions:
luma_radius <float> ..FV....... set luma radius (from 0.1 to 5) (default 1)
lr <float> ..FV....... set luma radius (from 0.1 to 5) (default 1)
luma_strength <float> ..FV....... set luma strength (from -1 to 1) (default 1)
ls <float> ..FV....... set luma strength (from -1 to 1) (default 1)
luma_threshold <int> ..FV....... set luma threshold (from -30 to 30) (default 0)
lt <int> ..FV....... set luma threshold (from -30 to 30) (default 0)
chroma_radius <float> ..FV....... set chroma radius (from -0.9 to 5) (default -0.9)
cr <float> ..FV....... set chroma radius (from -0.9 to 5) (default -0.9)
chroma_strength <float> ..FV....... set chroma strength (from -2 to 1) (default -2)
cs <float> ..FV....... set chroma strength (from -2 to 1) (default -2)
chroma_threshold <int> ..FV....... set chroma threshold (from -31 to 30) (default -31)
ct <int> ..FV....... set chroma threshold (from -31 to 30) (default -31)

(a)split AVOptions:
outputs <int> ..FVA...... set number of outputs (from 1 to INT_MAX) (default 2)

spp AVOptions:
quality <int> ..FV.....T. set quality (from 0 to 6) (default 3)
qp <int> ..FV....... force a constant quantizer parameter (from 0 to 63) (default 0)
mode <int> ..FV....... set thresholding mode (from 0 to 1) (default hard)
hard 0 ..FV....... hard thresholding
soft 1 ..FV....... soft thresholding
use_bframe_qp <boolean> ..FV....... use B-frames' QP (default false)

AVDCT AVOptions:
-dct <int> E..V....... DCT algorithm (from 0 to INT_MAX) (default auto)
auto 0 E..V....... autoselect a good one
fastint 1 E..V....... fast integer (experimental / for debugging)
int 2 E..V....... accurate integer
mmx 3 E..V....... experimental / for debugging
altivec 5 E..V....... experimental / for debugging
faan 6 E..V....... floating point AAN DCT (experimental / for debugging)
-idct <int> ED.V....... select IDCT implementation (from 0 to INT_MAX) (default auto)
auto 0 ED.V....... autoselect a good one
int 1 ED.V....... experimental / for debugging
simple 2 ED.V....... experimental / for debugging
simplemmx 3 ED.V....... experimental / for debugging
arm 7 ED.V....... experimental / for debugging
altivec 8 ED.V....... experimental / for debugging
simplearm 10 ED.V....... experimental / for debugging
simplearmv5te 16 ED.V....... experimental / for debugging
simplearmv6 17 ED.V....... experimental / for debugging
simpleneon 22 ED.V....... experimental / for debugging
xvid 14 ED.V....... experimental / for debugging
xvidmmx 14 ED.V....... experimental / for debugging
faani 20 ED.V....... floating point AAN IDCT (experimental / for debugging)
simpleauto 128 ED.V....... experimental / for debugging

sr AVOptions:
dnn_backend <int> ..FV....... DNN backend used for model execution (from 0 to 1) (default 1)
scale_factor <int> ..FV....... scale factor for SRCNN model (from 2 to 4) (default 2)
model <string> ..FV....... path to model file specifying network architecture and its parameters
input <string> ..FV....... input name of the model (default "x")
output <string> ..FV....... output name of the model (default "y")

ssim AVOptions:
stats_file <string> ..FV....... Set file where to store per-frame difference information
f <string> ..FV....... Set file where to store per-frame difference information

ssim360 AVOptions:
stats_file <string> ..FV....... Set file where to store per-frame difference information
f <string> ..FV....... Set file where to store per-frame difference information
compute_chroma <int> ..FV....... Specifies if non-luma channels must be computed (from 0 to 1) (default 1)
frame_skip_ratio <int> ..FV....... Specifies the number of frames to be skipped from evaluation, for every evaluated frame (from 0 to 1e+006) (default 0)
ref_projection <int> ..FV....... projection of the reference video (from 0 to 4) (default e)
e 4 ..FV....... equirectangular
equirect 4 ..FV....... equirectangular
c3x2 0 ..FV....... cubemap 3x2
c2x3 1 ..FV....... cubemap 2x3
barrel 2 ..FV....... barrel facebook's 360 format
barrelsplit 3 ..FV....... barrel split facebook's 360 format
main_projection <int> ..FV....... projection of the main video (from 0 to 5) (default 5)
e 4 ..FV....... equirectangular
equirect 4 ..FV....... equirectangular
c3x2 0 ..FV....... cubemap 3x2
c2x3 1 ..FV....... cubemap 2x3
barrel 2 ..FV....... barrel facebook's 360 format
barrelsplit 3 ..FV....... barrel split facebook's 360 format
ref_stereo <int> ..FV....... stereo format of the reference video (from 0 to 2) (default mono)
mono 2 ..FV.......
tb 0 ..FV.......
lr 1 ..FV.......
main_stereo <int> ..FV....... stereo format of main video (from 0 to 3) (default 3)
mono 2 ..FV.......
tb 0 ..FV.......
lr 1 ..FV.......
ref_pad <float> ..FV....... Expansion (padding) coefficient for each cube face of the reference video (from 0 to 10) (default 0)
main_pad <float> ..FV....... Expansion (padding) coeffiecient for each cube face of the main video (from 0 to 10) (default 0)
use_tape <int> ..FV....... Specifies if the tape based SSIM 360 algorithm must be used independent of the input video types (from 0 to 1) (default 0)
heatmap_str <string> ..FV....... Heatmap data for view-based evaluation. For heatmap file format, please refer to EntSphericalVideoHeatmapData.
default_heatmap_width <int> ..FV....... Default heatmap dimension. Will be used when dimension is not specified in heatmap data. (from 1 to 4096) (default 32)
default_heatmap_height <int> ..FV....... Default heatmap dimension. Will be used when dimension is not specified in heatmap data. (from 1 to 4096) (default 16)

stereo3d AVOptions:
in <int> ..FV....... set input format (from 16 to 32) (default sbsl)
ab2l 24 ..FV....... above below half height left first
tb2l 24 ..FV....... above below half height left first
ab2r 25 ..FV....... above below half height right first
tb2r 25 ..FV....... above below half height right first
abl 22 ..FV....... above below left first
tbl 22 ..FV....... above below left first
abr 23 ..FV....... above below right first
tbr 23 ..FV....... above below right first
al 26 ..FV....... alternating frames left first
ar 27 ..FV....... alternating frames right first
sbs2l 20 ..FV....... side by side half width left first
sbs2r 21 ..FV....... side by side half width right first
sbsl 18 ..FV....... side by side left first
sbsr 19 ..FV....... side by side right first
irl 16 ..FV....... interleave rows left first
irr 17 ..FV....... interleave rows right first
icl 30 ..FV....... interleave columns left first
icr 31 ..FV....... interleave columns right first
out <int> ..FV....... set output format (from 0 to 32) (default arcd)
ab2l 24 ..FV....... above below half height left first
tb2l 24 ..FV....... above below half height left first
ab2r 25 ..FV....... above below half height right first
tb2r 25 ..FV....... above below half height right first
abl 22 ..FV....... above below left first
tbl 22 ..FV....... above below left first
abr 23 ..FV....... above below right first
tbr 23 ..FV....... above below right first
agmc 6 ..FV....... anaglyph green magenta color
agmd 7 ..FV....... anaglyph green magenta dubois
agmg 4 ..FV....... anaglyph green magenta gray
agmh 5 ..FV....... anaglyph green magenta half color
al 26 ..FV....... alternating frames left first
ar 27 ..FV....... alternating frames right first
arbg 12 ..FV....... anaglyph red blue gray
arcc 2 ..FV....... anaglyph red cyan color
arcd 3 ..FV....... anaglyph red cyan dubois
arcg 0 ..FV....... anaglyph red cyan gray
arch 1 ..FV....... anaglyph red cyan half color
argg 13 ..FV....... anaglyph red green gray
aybc 10 ..FV....... anaglyph yellow blue color
aybd 11 ..FV....... anaglyph yellow blue dubois
aybg 8 ..FV....... anaglyph yellow blue gray
aybh 9 ..FV....... anaglyph yellow blue half color
irl 16 ..FV....... interleave rows left first
irr 17 ..FV....... interleave rows right first
ml 14 ..FV....... mono left
mr 15 ..FV....... mono right
sbs2l 20 ..FV....... side by side half width left first
sbs2r 21 ..FV....... side by side half width right first
sbsl 18 ..FV....... side by side left first
sbsr 19 ..FV....... side by side right first
chl 28 ..FV....... checkerboard left first
chr 29 ..FV....... checkerboard right first
icl 30 ..FV....... interleave columns left first
icr 31 ..FV....... interleave columns right first
hdmi 32 ..FV....... HDMI frame pack

(a)streamselect AVOptions:
inputs <int> ..FVA...... number of input streams (from 2 to INT_MAX) (default 2)
map <string> ..FVA....T. input indexes to remap to outputs

subtitles AVOptions:
filename <string> ..FV....... set the filename of file to read
f <string> ..FV....... set the filename of file to read
original_size <image_size> ..FV....... set the size of the original video (used to scale fonts)
fontsdir <string> ..FV....... set the directory containing the fonts to read
alpha <boolean> ..FV....... enable processing of alpha channel (default false)
fontname <string> ..FV....... set the fontname
subdelay <double> ..FV....... set delay (from INT_MIN to INT_MAX) (default 0)
charenc <string> ..FV....... set input character encoding
stream_index <int> ..FV....... set stream index (from -1 to INT_MAX) (default -1)
si <int> ..FV....... set stream index (from -1 to INT_MAX) (default -1)
force_style <string> ..FV....... force subtitle style
wrap_unicode <boolean> ..FV....... break lines according to the Unicode Line Breaking Algorithm (default auto)

swaprect AVOptions:
w <string> ..FV.....T. set rect width (default "w/2")
h <string> ..FV.....T. set rect height (default "h/2")
x1 <string> ..FV.....T. set 1st rect x top left coordinate (default "w/2")
y1 <string> ..FV.....T. set 1st rect y top left coordinate (default "h/2")
x2 <string> ..FV.....T. set 2nd rect x top left coordinate (default "0")
y2 <string> ..FV.....T. set 2nd rect y top left coordinate (default "0")

swapuv AVOptions:

tblend AVOptions:
c0_mode <int> ..FV.....T. set component #0 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c1_mode <int> ..FV.....T. set component #1 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c2_mode <int> ..FV.....T. set component #2 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c3_mode <int> ..FV.....T. set component #3 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
all_mode <int> ..FV.....T. set blend mode for all components (from -1 to 39) (default -1)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c0_expr <string> ..FV.....T. set color component #0 expression
c1_expr <string> ..FV.....T. set color component #1 expression
c2_expr <string> ..FV.....T. set color component #2 expression
c3_expr <string> ..FV.....T. set color component #3 expression
all_expr <string> ..FV.....T. set expression for all color components
c0_opacity <double> ..FV.....T. set color component #0 opacity (from 0 to 1) (default 1)
c1_opacity <double> ..FV.....T. set color component #1 opacity (from 0 to 1) (default 1)
c2_opacity <double> ..FV.....T. set color component #2 opacity (from 0 to 1) (default 1)
c3_opacity <double> ..FV.....T. set color component #3 opacity (from 0 to 1) (default 1)
all_opacity <double> ..FV.....T. set opacity for all color components (from 0 to 1) (default 1)

telecine AVOptions:
first_field <int> ..FV....... select first field (from 0 to 1) (default top)
top 0 ..FV....... select top field first
t 0 ..FV....... select top field first
bottom 1 ..FV....... select bottom field first
b 1 ..FV....... select bottom field first
pattern <string> ..FV....... pattern that describe for how many fields a frame is to be displayed (default "23")

thistogram AVOptions:
width <int> ..FV....... set width (from 0 to 8192) (default 0)
w <int> ..FV....... set width (from 0 to 8192) (default 0)
display_mode <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
parade 1 ..FV.......
stack 2 ..FV.......
d <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
parade 1 ..FV.......
stack 2 ..FV.......
levels_mode <int> ..FV....... set levels mode (from 0 to 1) (default linear)
linear 0 ..FV.......
logarithmic 1 ..FV.......
m <int> ..FV....... set levels mode (from 0 to 1) (default linear)
linear 0 ..FV.......
logarithmic 1 ..FV.......
components <int> ..FV....... set color components to display (from 1 to 15) (default 7)
c <int> ..FV....... set color components to display (from 1 to 15) (default 7)
bgopacity <float> ..FV....... set background opacity (from 0 to 1) (default 0.9)
b <float> ..FV....... set background opacity (from 0 to 1) (default 0.9)
envelope <boolean> ..FV....... display envelope (default false)
e <boolean> ..FV....... display envelope (default false)
ecolor <color> ..FV....... set envelope color (default "gold")
ec <color> ..FV....... set envelope color (default "gold")
slide <int> ..FV....... set slide mode (from 0 to 4) (default replace)
frame 0 ..FV....... draw new frames
replace 1 ..FV....... replace old columns with new
scroll 2 ..FV....... scroll from right to left
rscroll 3 ..FV....... scroll from left to right
picture 4 ..FV....... display graph in single frame

threshold AVOptions:
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)

thumbnail AVOptions:
n <int> ..FV....... set the frames batch size (from 2 to INT_MAX) (default 100)
log <int> ..FV....... force stats logging level (from INT_MIN to INT_MAX) (default info)
quiet -8 ..FV....... logging disabled
info 32 ..FV....... information logging level
verbose 40 ..FV....... verbose logging level

tile AVOptions:
layout <image_size> ..FV....... set grid size (default "6x5")
nb_frames <int> ..FV....... set maximum number of frame to render (from 0 to INT_MAX) (default 0)
margin <int> ..FV....... set outer border margin in pixels (from 0 to 1024) (default 0)
padding <int> ..FV....... set inner border thickness in pixels (from 0 to 1024) (default 0)
color <color> ..FV....... set the color of the unused area (default "black")
overlap <int> ..FV....... set how many frames to overlap for each render (from 0 to INT_MAX) (default 0)
init_padding <int> ..FV....... set how many frames to initially pad (from 0 to INT_MAX) (default 0)

tinterlace AVOptions:
mode <int> ..FV....... select interlace mode (from 0 to 7) (default merge)
merge 0 ..FV....... merge fields
drop_even 1 ..FV....... drop even fields
drop_odd 2 ..FV....... drop odd fields
pad 3 ..FV....... pad alternate lines with black
interleave_top 4 ..FV....... interleave top and bottom fields
interleave_bottom 5 ..FV....... interleave bottom and top fields
interlacex2 6 ..FV....... interlace fields from two consecutive frames
mergex2 7 ..FV....... merge fields keeping same frame rate

tlut2 AVOptions:
c0 <string> ..FV.....T. set component #0 expression (default "x")
c1 <string> ..FV.....T. set component #1 expression (default "x")
c2 <string> ..FV.....T. set component #2 expression (default "x")
c3 <string> ..FV.....T. set component #3 expression (default "x")

tmedian AVOptions:
radius <int> ..FV....... set median filter radius (from 1 to 127) (default 1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
percentile <float> ..FV.....T. set percentile (from 0 to 1) (default 0.5)

tmidequalizer AVOptions:
radius <int> ..FV....... set radius (from 1 to 127) (default 5)
sigma <float> ..FV....... set sigma (from 0 to 1) (default 0.5)
planes <int> ..FV....... set planes (from 0 to 15) (default 15)

tmix AVOptions:
frames <int> ..FV....... set number of successive frames to mix (from 1 to 1024) (default 3)
weights <string> ..FV.....T. set weight for each frame (default "1 1 1")
scale <float> ..FV.....T. set scale (from 0 to 32767) (default 0)
planes <flags> ..FV.....T. set what planes to filter (default F)

tonemap AVOptions:
tonemap <int> ..FV....... tonemap algorithm selection (from 0 to 6) (default none)
none 0 ..FV.......
linear 1 ..FV.......
gamma 2 ..FV.......
clip 3 ..FV.......
reinhard 4 ..FV.......
hable 5 ..FV.......
mobius 6 ..FV.......
param <double> ..FV....... tonemap parameter (from DBL_MIN to DBL_MAX) (default nan)
desat <double> ..FV....... desaturation strength (from 0 to DBL_MAX) (default 2)
peak <double> ..FV....... signal peak override (from 0 to DBL_MAX) (default 0)

tpad AVOptions:
start <int> ..FV....... set the number of frames to delay input (from 0 to INT_MAX) (default 0)
stop <int> ..FV....... set the number of frames to add after input finished (from -1 to INT_MAX) (default 0)
start_mode <int> ..FV....... set the mode of added frames to start (from 0 to 1) (default add)
add 0 ..FV....... add solid-color frames
clone 1 ..FV....... clone first/last frame
stop_mode <int> ..FV....... set the mode of added frames to end (from 0 to 1) (default add)
add 0 ..FV....... add solid-color frames
clone 1 ..FV....... clone first/last frame
start_duration <duration> ..FV....... set the duration to delay input (default 0)
stop_duration <duration> ..FV....... set the duration to pad input (default 0)
color <color> ..FV....... set the color of the added frames (default "black")

transpose AVOptions:
dir <int> ..FV....... set transpose direction (from 0 to 7) (default cclock_flip)
cclock_flip 0 ..FV....... rotate counter-clockwise with vertical flip
clock 1 ..FV....... rotate clockwise
cclock 2 ..FV....... rotate counter-clockwise
clock_flip 3 ..FV....... rotate clockwise with vertical flip
passthrough <int> ..FV....... do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX) (default none)
none 0 ..FV....... always apply transposition
portrait 2 ..FV....... preserve portrait geometry
landscape 1 ..FV....... preserve landscape geometry

trim AVOptions:
start <duration> ..FV....... Timestamp of the first frame that should be passed (default INT64_MAX)
starti <duration> ..FV....... Timestamp of the first frame that should be passed (default INT64_MAX)
end <duration> ..FV....... Timestamp of the first frame that should be dropped again (default INT64_MAX)
endi <duration> ..FV....... Timestamp of the first frame that should be dropped again (default INT64_MAX)
start_pts <int64> ..FV....... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN)
end_pts <int64> ..FV....... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
duration <duration> ..FV....... Maximum duration of the output (default 0)
durationi <duration> ..FV....... Maximum duration of the output (default 0)
start_frame <int64> ..FV....... Number of the first frame that should be passed to the output (from -1 to I64_MAX) (default -1)
end_frame <int64> ..FV....... Number of the first frame that should be dropped again (from 0 to I64_MAX) (default I64_MAX)

(un)premultiply AVOptions:
planes <int> ..FV....... set planes (from 0 to 15) (default 15)
inplace <boolean> ..FV....... enable inplace mode (default false)

unsharp AVOptions:
luma_msize_x <int> ..FV....... set luma matrix horizontal size (from 3 to 23) (default 5)
lx <int> ..FV....... set luma matrix horizontal size (from 3 to 23) (default 5)
luma_msize_y <int> ..FV....... set luma matrix vertical size (from 3 to 23) (default 5)
ly <int> ..FV....... set luma matrix vertical size (from 3 to 23) (default 5)
luma_amount <float> ..FV....... set luma effect strength (from -2 to 5) (default 1)
la <float> ..FV....... set luma effect strength (from -2 to 5) (default 1)
chroma_msize_x <int> ..FV....... set chroma matrix horizontal size (from 3 to 23) (default 5)
cx <int> ..FV....... set chroma matrix horizontal size (from 3 to 23) (default 5)
chroma_msize_y <int> ..FV....... set chroma matrix vertical size (from 3 to 23) (default 5)
cy <int> ..FV....... set chroma matrix vertical size (from 3 to 23) (default 5)
chroma_amount <float> ..FV....... set chroma effect strength (from -2 to 5) (default 0)
ca <float> ..FV....... set chroma effect strength (from -2 to 5) (default 0)
alpha_msize_x <int> ..FV....... set alpha matrix horizontal size (from 3 to 23) (default 5)
ax <int> ..FV....... set alpha matrix horizontal size (from 3 to 23) (default 5)
alpha_msize_y <int> ..FV....... set alpha matrix vertical size (from 3 to 23) (default 5)
ay <int> ..FV....... set alpha matrix vertical size (from 3 to 23) (default 5)
alpha_amount <float> ..FV....... set alpha effect strength (from -2 to 5) (default 0)
aa <float> ..FV....... set alpha effect strength (from -2 to 5) (default 0)

untile AVOptions:
layout <image_size> ..FV....... set grid size (default "6x5")

uspp AVOptions:
quality <int> ..FV....... set quality (from 0 to 8) (default 3)
qp <int> ..FV....... force a constant quantizer parameter (from 0 to 63) (default 0)
use_bframe_qp <boolean> ..FV....... use B-frames' QP (default false)
codec <string> ..FV....... Codec name (default "snow")

v360 AVOptions:
input <int> ..FV....... set input projection (from 0 to 24) (default e)
e 0 ..FV....... equirectangular
equirect 0 ..FV....... equirectangular
c3x2 1 ..FV....... cubemap 3x2
c6x1 2 ..FV....... cubemap 6x1
eac 3 ..FV....... equi-angular cubemap
dfisheye 5 ..FV....... dual fisheye
flat 4 ..FV....... regular video
rectilinear 4 ..FV....... regular video
gnomonic 4 ..FV....... regular video
barrel 6 ..FV....... barrel facebook's 360 format
fb 6 ..FV....... barrel facebook's 360 format
c1x6 7 ..FV....... cubemap 1x6
sg 8 ..FV....... stereographic
mercator 9 ..FV....... mercator
ball 10 ..FV....... ball
hammer 11 ..FV....... hammer
sinusoidal 12 ..FV....... sinusoidal
fisheye 13 ..FV....... fisheye
pannini 14 ..FV....... pannini
cylindrical 15 ..FV....... cylindrical
tetrahedron 17 ..FV....... tetrahedron
barrelsplit 18 ..FV....... barrel split facebook's 360 format
tsp 19 ..FV....... truncated square pyramid
hequirect 20 ..FV....... half equirectangular
he 20 ..FV....... half equirectangular
equisolid 21 ..FV....... equisolid
og 22 ..FV....... orthographic
octahedron 23 ..FV....... octahedron
cylindricalea 24 ..FV....... cylindrical equal area
output <int> ..FV....... set output projection (from 0 to 24) (default c3x2)
e 0 ..FV....... equirectangular
equirect 0 ..FV....... equirectangular
c3x2 1 ..FV....... cubemap 3x2
c6x1 2 ..FV....... cubemap 6x1
eac 3 ..FV....... equi-angular cubemap
dfisheye 5 ..FV....... dual fisheye
flat 4 ..FV....... regular video
rectilinear 4 ..FV....... regular video
gnomonic 4 ..FV....... regular video
barrel 6 ..FV....... barrel facebook's 360 format
fb 6 ..FV....... barrel facebook's 360 format
c1x6 7 ..FV....... cubemap 1x6
sg 8 ..FV....... stereographic
mercator 9 ..FV....... mercator
ball 10 ..FV....... ball
hammer 11 ..FV....... hammer
sinusoidal 12 ..FV....... sinusoidal
fisheye 13 ..FV....... fisheye
pannini 14 ..FV....... pannini
cylindrical 15 ..FV....... cylindrical
perspective 16 ..FV....... perspective
tetrahedron 17 ..FV....... tetrahedron
barrelsplit 18 ..FV....... barrel split facebook's 360 format
tsp 19 ..FV....... truncated square pyramid
hequirect 20 ..FV....... half equirectangular
he 20 ..FV....... half equirectangular
equisolid 21 ..FV....... equisolid
og 22 ..FV....... orthographic
octahedron 23 ..FV....... octahedron
cylindricalea 24 ..FV....... cylindrical equal area
interp <int> ..FV....... set interpolation method (from 0 to 7) (default line)
near 0 ..FV....... nearest neighbour
nearest 0 ..FV....... nearest neighbour
line 1 ..FV....... bilinear interpolation
linear 1 ..FV....... bilinear interpolation
lagrange9 2 ..FV....... lagrange9 interpolation
cube 3 ..FV....... bicubic interpolation
cubic 3 ..FV....... bicubic interpolation
lanc 4 ..FV....... lanczos interpolation
lanczos 4 ..FV....... lanczos interpolation
sp16 5 ..FV....... spline16 interpolation
spline16 5 ..FV....... spline16 interpolation
gauss 6 ..FV....... gaussian interpolation
gaussian 6 ..FV....... gaussian interpolation
mitchell 7 ..FV....... mitchell interpolation
w <int> ..FV....... output width (from 0 to 32767) (default 0)
h <int> ..FV....... output height (from 0 to 32767) (default 0)
in_stereo <int> ..FV....... input stereo format (from 0 to 2) (default 2d)
2d 0 ..FV....... 2d mono
sbs 1 ..FV....... side by side
tb 2 ..FV....... top bottom
out_stereo <int> ..FV....... output stereo format (from 0 to 2) (default 2d)
2d 0 ..FV....... 2d mono
sbs 1 ..FV....... side by side
tb 2 ..FV....... top bottom
in_forder <string> ..FV....... input cubemap face order (default "rludfb")
out_forder <string> ..FV....... output cubemap face order (default "rludfb")
in_frot <string> ..FV....... input cubemap face rotation (default "000000")
out_frot <string> ..FV....... output cubemap face rotation (default "000000")
in_pad <float> ..FV.....T. percent input cubemap pads (from 0 to 0.1) (default 0)
out_pad <float> ..FV.....T. percent output cubemap pads (from 0 to 0.1) (default 0)
fin_pad <int> ..FV.....T. fixed input cubemap pads (from 0 to 100) (default 0)
fout_pad <int> ..FV.....T. fixed output cubemap pads (from 0 to 100) (default 0)
yaw <float> ..FV.....T. yaw rotation (from -180 to 180) (default 0)
pitch <float> ..FV.....T. pitch rotation (from -180 to 180) (default 0)
roll <float> ..FV.....T. roll rotation (from -180 to 180) (default 0)
rorder <string> ..FV.....T. rotation order (default "ypr")
h_fov <float> ..FV.....T. output horizontal field of view (from 0 to 360) (default 0)
v_fov <float> ..FV.....T. output vertical field of view (from 0 to 360) (default 0)
d_fov <float> ..FV.....T. output diagonal field of view (from 0 to 360) (default 0)
h_flip <boolean> ..FV.....T. flip out video horizontally (default false)
v_flip <boolean> ..FV.....T. flip out video vertically (default false)
d_flip <boolean> ..FV.....T. flip out video indepth (default false)
ih_flip <boolean> ..FV.....T. flip in video horizontally (default false)
iv_flip <boolean> ..FV.....T. flip in video vertically (default false)
in_trans <boolean> ..FV....... transpose video input (default false)
out_trans <boolean> ..FV....... transpose video output (default false)
ih_fov <float> ..FV.....T. input horizontal field of view (from 0 to 360) (default 0)
iv_fov <float> ..FV.....T. input vertical field of view (from 0 to 360) (default 0)
id_fov <float> ..FV.....T. input diagonal field of view (from 0 to 360) (default 0)
h_offset <float> ..FV.....T. output horizontal off-axis offset (from -1 to 1) (default 0)
v_offset <float> ..FV.....T. output vertical off-axis offset (from -1 to 1) (default 0)
alpha_mask <boolean> ..FV....... build mask in alpha plane (default false)
reset_rot <boolean> ..FV.....T. reset rotation (default false)

vaguedenoiser AVOptions:
threshold <float> ..FV....... set filtering strength (from 0 to DBL_MAX) (default 2)
method <int> ..FV....... set filtering method (from 0 to 2) (default garrote)
hard 0 ..FV....... hard thresholding
soft 1 ..FV....... soft thresholding
garrote 2 ..FV....... garrote thresholding
nsteps <int> ..FV....... set number of steps (from 1 to 32) (default 6)
percent <float> ..FV....... set percent of full denoising (from 0 to 100) (default 85)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 15)
type <int> ..FV....... set threshold type (from 0 to 1) (default universal)
universal 0 ..FV....... universal (VisuShrink)
bayes 1 ..FV....... bayes (BayesShrink)

varblur AVOptions:
min_r <int> ..FV.....T. set min blur radius (from 0 to 254) (default 0)
max_r <int> ..FV.....T. set max blur radius (from 1 to 255) (default 8)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)

vectorscope AVOptions:
mode <int> ..FV....... set vectorscope mode (from 0 to 5) (default gray)
gray 0 ..FV.......
tint 0 ..FV.......
color 1 ..FV.......
color2 2 ..FV.......
color3 3 ..FV.......
color4 4 ..FV.......
color5 5 ..FV.......
m <int> ..FV....... set vectorscope mode (from 0 to 5) (default gray)
gray 0 ..FV.......
tint 0 ..FV.......
color 1 ..FV.......
color2 2 ..FV.......
color3 3 ..FV.......
color4 4 ..FV.......
color5 5 ..FV.......
x <int> ..FV....... set color component on X axis (from 0 to 2) (default 1)
y <int> ..FV....... set color component on Y axis (from 0 to 2) (default 2)
intensity <float> ..FV.....T. set intensity (from 0 to 1) (default 0.004)
i <float> ..FV.....T. set intensity (from 0 to 1) (default 0.004)
envelope <int> ..FV.....T. set envelope (from 0 to 3) (default none)
none 0 ..FV.....T.
instant 1 ..FV.....T.
peak 2 ..FV.....T.
peak+instant 3 ..FV.....T.
e <int> ..FV.....T. set envelope (from 0 to 3) (default none)
none 0 ..FV.....T.
instant 1 ..FV.....T.
peak 2 ..FV.....T.
peak+instant 3 ..FV.....T.
graticule <int> ..FV....... set graticule (from 0 to 3) (default none)
none 0 ..FV.......
green 1 ..FV.......
color 2 ..FV.......
invert 3 ..FV.......
g <int> ..FV....... set graticule (from 0 to 3) (default none)
none 0 ..FV.......
green 1 ..FV.......
color 2 ..FV.......
invert 3 ..FV.......
opacity <float> ..FV.....T. set graticule opacity (from 0 to 1) (default 0.75)
o <float> ..FV.....T. set graticule opacity (from 0 to 1) (default 0.75)
flags <flags> ..FV.....T. set graticule flags (default name)
white ..FV.....T. draw white point
black ..FV.....T. draw black point
name ..FV.....T. draw point name
f <flags> ..FV.....T. set graticule flags (default name)
white ..FV.....T. draw white point
black ..FV.....T. draw black point
name ..FV.....T. draw point name
bgopacity <float> ..FV.....T. set background opacity (from 0 to 1) (default 0.3)
b <float> ..FV.....T. set background opacity (from 0 to 1) (default 0.3)
lthreshold <float> ..FV....... set low threshold (from 0 to 1) (default 0)
l <float> ..FV....... set low threshold (from 0 to 1) (default 0)
hthreshold <float> ..FV....... set high threshold (from 0 to 1) (default 1)
h <float> ..FV....... set high threshold (from 0 to 1) (default 1)
colorspace <int> ..FV....... set colorspace (from 0 to 2) (default auto)
auto 0 ..FV.......
601 1 ..FV.......
709 2 ..FV.......
c <int> ..FV....... set colorspace (from 0 to 2) (default auto)
auto 0 ..FV.......
601 1 ..FV.......
709 2 ..FV.......
tint0 <float> ..FV.....T. set 1st tint (from -1 to 1) (default 0)
t0 <float> ..FV.....T. set 1st tint (from -1 to 1) (default 0)
tint1 <float> ..FV.....T. set 2nd tint (from -1 to 1) (default 0)
t1 <float> ..FV.....T. set 2nd tint (from -1 to 1) (default 0)

vflip AVOptions:

vibrance AVOptions:
intensity <float> ..FV.....T. set the intensity value (from -2 to 2) (default 0)
rbal <float> ..FV.....T. set the red balance value (from -10 to 10) (default 1)
gbal <float> ..FV.....T. set the green balance value (from -10 to 10) (default 1)
bbal <float> ..FV.....T. set the blue balance value (from -10 to 10) (default 1)
rlum <float> ..FV.....T. set the red luma coefficient (from 0 to 1) (default 0.072186)
glum <float> ..FV.....T. set the green luma coefficient (from 0 to 1) (default 0.715158)
blum <float> ..FV.....T. set the blue luma coefficient (from 0 to 1) (default 0.212656)
alternate <boolean> ..FV.....T. use alternate colors (default false)

vidstabdetect AVOptions:
result <string> ..FV....... path to the file used to write the transforms (default "transforms.trf")
shakiness <int> ..FV....... how shaky is the video and how quick is the camera? 1: little (fast) 10: very strong/quick (slow) (from 1 to 10) (default 5)
accuracy <int> ..FV....... (>=shakiness) 1: low 15: high (slow) (from 1 to 15) (default 15)
stepsize <int> ..FV....... region around minimum is scanned with 1 pixel resolution (from 1 to 32) (default 6)
mincontrast <double> ..FV....... below this contrast a field is discarded (0-1) (from 0 to 1) (default 0.25)
show <int> ..FV....... 0: draw nothing; 1,2: show fields and transforms (from 0 to 2) (default 0)
tripod <int> ..FV....... virtual tripod mode (if >0): motion is compared to a reference reference frame (frame # is the value) (from 0 to INT_MAX) (default 0)

vidstabtransform AVOptions:
input <string> ..FV....... set path to the file storing the transforms (default "transforms.trf")
smoothing <int> ..FV....... set number of frames*2 + 1 used for lowpass filtering (from 0 to 1000) (default 15)
optalgo <int> ..FV....... set camera path optimization algo (from 0 to 2) (default opt)
opt 0 ..FV....... global optimization
gauss 1 ..FV....... gaussian kernel
avg 2 ..FV....... simple averaging on motion
maxshift <int> ..FV....... set maximal number of pixels to translate image (from -1 to 500) (default -1)
maxangle <double> ..FV....... set maximal angle in rad to rotate image (from -1 to 3.14) (default -1)
crop <int> ..FV....... set cropping mode (from 0 to 1) (default keep)
keep 0 ..FV....... keep border
black 1 ..FV....... black border
invert <int> ..FV....... invert transforms (from 0 to 1) (default 0)
relative <int> ..FV....... consider transforms as relative (from 0 to 1) (default 1)
zoom <double> ..FV....... set percentage to zoom (>0: zoom in, <0: zoom out (from -100 to 100) (default 0)
optzoom <int> ..FV....... set optimal zoom (0: nothing, 1: optimal static zoom, 2: optimal dynamic zoom) (from 0 to 2) (default 1)
zoomspeed <double> ..FV....... for adative zoom: percent to zoom maximally each frame (from 0 to 5) (default 0.25)
interpol <int> ..FV....... set type of interpolation (from 0 to 3) (default bilinear)
no 0 ..FV....... no interpolation
linear 1 ..FV....... linear (horizontal)
bilinear 2 ..FV....... bi-linear
bicubic 3 ..FV....... bi-cubic
tripod <boolean> ..FV....... enable virtual tripod mode (same as relative=0:smoothing=0) (default false)
debug <boolean> ..FV....... enable debug mode and writer global motions information to file (default false)

vif AVOptions:

vignette AVOptions:
angle <string> ..FV....... set lens angle (default "PI/5")
a <string> ..FV....... set lens angle (default "PI/5")
x0 <string> ..FV....... set circle center position on x-axis (default "w/2")
y0 <string> ..FV....... set circle center position on y-axis (default "h/2")
mode <int> ..FV....... set forward/backward mode (from 0 to 1) (default forward)
forward 0 ..FV.......
backward 1 ..FV.......
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions for each frame
dither <boolean> ..FV....... set dithering (default true)
aspect <rational> ..FV....... set aspect ratio (from 0 to DBL_MAX) (default 1/1)

vmafmotion AVOptions:
stats_file <string> ..FV....... Set file where to store per-frame difference information

vpp_qsv AVOptions:
deinterlace <int> ..FV....... deinterlace mode: 0=off, 1=bob, 2=advanced (from 0 to 2) (default 0)
bob 1 ..FV....... Bob deinterlace mode.
advanced 2 ..FV....... Advanced deinterlace mode.
denoise <int> ..FV....... denoise level [0, 100] (from 0 to 100) (default 0)
detail <int> ..FV....... enhancement level [0, 100] (from 0 to 100) (default 0)
framerate <rational> ..FV....... output framerate (from 0 to DBL_MAX) (default 0/1)
procamp <int> ..FV....... Enable ProcAmp (from 0 to 1) (default 0)
hue <float> ..FV....... ProcAmp hue (from -180 to 180) (default 0)
saturation <float> ..FV....... ProcAmp saturation (from 0 to 10) (default 1)
contrast <float> ..FV....... ProcAmp contrast (from 0 to 10) (default 1)
brightness <float> ..FV....... ProcAmp brightness (from -100 to 100) (default 0)
transpose <int> ..FV....... set transpose direction (from -1 to 6) (default -1)
cclock_hflip 0 ..FV....... rotate counter-clockwise with horizontal flip
clock 1 ..FV....... rotate clockwise
cclock 2 ..FV....... rotate counter-clockwise
clock_hflip 3 ..FV....... rotate clockwise with horizontal flip
reversal 4 ..FV....... rotate by half-turn
hflip 5 ..FV....... flip horizontally
vflip 6 ..FV....... flip vertically
cw <string> ..FV....... set the width crop area expression (default "iw")
ch <string> ..FV....... set the height crop area expression (default "ih")
cx <string> ..FV....... set the x crop area expression (default "(in_w-out_w)/2")
cy <string> ..FV....... set the y crop area expression (default "(in_h-out_h)/2")
w <string> ..FV....... Output video width(0=input video width, -1=keep input video aspect) (default "cw")
width <string> ..FV....... Output video width(0=input video width, -1=keep input video aspect) (default "cw")
h <string> ..FV....... Output video height(0=input video height, -1=keep input video aspect) (default "w*ch/cw")
height <string> ..FV....... Output video height(0=input video height, -1=keep input video aspect) (default "w*ch/cw")
format <string> ..FV....... Output pixel format (default "same")
async_depth <int> ..FV....... Internal parallelization depth, the higher the value the higher the latency. (from 0 to INT_MAX) (default 0)
scale_mode <int> ..FV....... scaling & format conversion mode (from 0 to 2) (default auto)
auto 0 ..FV....... auto mode
low_power 1 ..FV....... low power mode
hq 2 ..FV....... high quality mode
rate <int> ..FV....... Generate output at frame rate or field rate, available only for deinterlace mode (from 0 to 1) (default frame)
frame 0 ..FV....... Output at frame rate (one frame of output for each field-pair)
field 1 ..FV....... Output at field rate (one frame of output for each field)
out_range <int> ..FV....... Output color range (from 0 to 2) (default 0)
full 2 ..FV....... Full range
limited 1 ..FV....... Limited range
jpeg 2 ..FV....... Full range
mpeg 1 ..FV....... Limited range
tv 1 ..FV....... Limited range
pc 2 ..FV....... Full range
out_color_matrix <string> ..FV....... Output color matrix coefficient set
out_color_primaries <string> ..FV....... Output color primaries
out_color_transfer <string> ..FV....... Output color transfer characteristics
tonemap <int> ..FV....... Perform tonemapping (0=disable tonemapping, 1=perform tonemapping if the input has HDR metadata) (from 0 to 1) (default 0)

(h|v)stack AVOptions:
inputs <int> ..FV....... set number of inputs (from 2 to INT_MAX) (default 2)
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)

w3fdif AVOptions:
filter <int> ..FV.....T. specify the filter (from 0 to 1) (default complex)
simple 0 ..FV.....T.
complex 1 ..FV.....T.
mode <int> ..FV.....T. specify the interlacing mode (from 0 to 1) (default field)
frame 0 ..FV.....T. send one frame for each frame
field 1 ..FV.....T. send one frame for each field
parity <int> ..FV.....T. specify the assumed picture field parity (from -1 to 1) (default auto)
tff 0 ..FV.....T. assume top field first
bff 1 ..FV.....T. assume bottom field first
auto -1 ..FV.....T. auto detect parity
deint <int> ..FV.....T. specify which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV.....T. deinterlace all frames
interlaced 1 ..FV.....T. only deinterlace frames marked as interlaced

waveform AVOptions:
mode <int> ..FV....... set mode (from 0 to 1) (default column)
row 0 ..FV.......
column 1 ..FV.......
m <int> ..FV....... set mode (from 0 to 1) (default column)
row 0 ..FV.......
column 1 ..FV.......
intensity <float> ..FV.....T. set intensity (from 0 to 1) (default 0.04)
i <float> ..FV.....T. set intensity (from 0 to 1) (default 0.04)
mirror <boolean> ..FV....... set mirroring (default true)
r <boolean> ..FV....... set mirroring (default true)
display <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
stack 1 ..FV.......
parade 2 ..FV.......
d <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
stack 1 ..FV.......
parade 2 ..FV.......
components <int> ..FV....... set components to display (from 1 to 15) (default 1)
c <int> ..FV....... set components to display (from 1 to 15) (default 1)
envelope <int> ..FV.....T. set envelope to display (from 0 to 3) (default none)
none 0 ..FV.....T.
instant 1 ..FV.....T.
peak 2 ..FV.....T.
peak+instant 3 ..FV.....T.
e <int> ..FV.....T. set envelope to display (from 0 to 3) (default none)
none 0 ..FV.....T.
instant 1 ..FV.....T.
peak 2 ..FV.....T.
peak+instant 3 ..FV.....T.
filter <int> ..FV....... set filter (from 0 to 7) (default lowpass)
lowpass 0 ..FV.......
flat 1 ..FV.......
aflat 2 ..FV.......
chroma 3 ..FV.......
color 4 ..FV.......
acolor 5 ..FV.......
xflat 6 ..FV.......
yflat 7 ..FV.......
f <int> ..FV....... set filter (from 0 to 7) (default lowpass)
lowpass 0 ..FV.......
flat 1 ..FV.......
aflat 2 ..FV.......
chroma 3 ..FV.......
color 4 ..FV.......
acolor 5 ..FV.......
xflat 6 ..FV.......
yflat 7 ..FV.......
graticule <int> ..FV....... set graticule (from 0 to 3) (default none)
none 0 ..FV.......
green 1 ..FV.......
orange 2 ..FV.......
invert 3 ..FV.......
g <int> ..FV....... set graticule (from 0 to 3) (default none)
none 0 ..FV.......
green 1 ..FV.......
orange 2 ..FV.......
invert 3 ..FV.......
opacity <float> ..FV.....T. set graticule opacity (from 0 to 1) (default 0.75)
o <float> ..FV.....T. set graticule opacity (from 0 to 1) (default 0.75)
flags <flags> ..FV.....T. set graticule flags (default numbers)
numbers ..FV.....T. draw numbers
dots ..FV.....T. draw dots instead of lines
fl <flags> ..FV.....T. set graticule flags (default numbers)
numbers ..FV.....T. draw numbers
dots ..FV.....T. draw dots instead of lines
scale <int> ..FV....... set scale (from 0 to 2) (default digital)
digital 0 ..FV.......
millivolts 1 ..FV.......
ire 2 ..FV.......
s <int> ..FV....... set scale (from 0 to 2) (default digital)
digital 0 ..FV.......
millivolts 1 ..FV.......
ire 2 ..FV.......
bgopacity <float> ..FV.....T. set background opacity (from 0 to 1) (default 0.75)
b <float> ..FV.....T. set background opacity (from 0 to 1) (default 0.75)
tint0 <float> ..FV.....T. set 1st tint (from -1 to 1) (default 0)
t0 <float> ..FV.....T. set 1st tint (from -1 to 1) (default 0)
tint1 <float> ..FV.....T. set 2nd tint (from -1 to 1) (default 0)
t1 <float> ..FV.....T. set 2nd tint (from -1 to 1) (default 0)
fitmode <int> ..FV....... set fit mode (from 0 to 1) (default none)
none 0 ..FV.......
size 1 ..FV.......
fm <int> ..FV....... set fit mode (from 0 to 1) (default none)
none 0 ..FV.......
size 1 ..FV.......
input <int> ..FV....... set input formats selection (from 0 to 1) (default first)
all 0 ..FV....... try to select from all available formats
first 1 ..FV....... pick first available format

xbr AVOptions:
n <int> ..FV....... set scale factor (from 2 to 4) (default 3)

xcorrelate AVOptions:
planes <int> ..FV....... set planes to cross-correlate (from 0 to 15) (default 7)
secondary <int> ..FV....... when to process secondary frame (from 0 to 1) (default all)
first 0 ..FV....... process only first secondary frame, ignore rest
all 1 ..FV....... process all secondary frames

xfade AVOptions:
transition <int> ..FV....... set cross fade transition (from -1 to 57) (default fade)
custom -1 ..FV....... custom transition
fade 0 ..FV....... fade transition
wipeleft 1 ..FV....... wipe left transition
wiperight 2 ..FV....... wipe right transition
wipeup 3 ..FV....... wipe up transition
wipedown 4 ..FV....... wipe down transition
slideleft 5 ..FV....... slide left transition
slideright 6 ..FV....... slide right transition
slideup 7 ..FV....... slide up transition
slidedown 8 ..FV....... slide down transition
circlecrop 9 ..FV....... circle crop transition
rectcrop 10 ..FV....... rect crop transition
distance 11 ..FV....... distance transition
fadeblack 12 ..FV....... fadeblack transition
fadewhite 13 ..FV....... fadewhite transition
radial 14 ..FV....... radial transition
smoothleft 15 ..FV....... smoothleft transition
smoothright 16 ..FV....... smoothright transition
smoothup 17 ..FV....... smoothup transition
smoothdown 18 ..FV....... smoothdown transition
circleopen 19 ..FV....... circleopen transition
circleclose 20 ..FV....... circleclose transition
vertopen 21 ..FV....... vert open transition
vertclose 22 ..FV....... vert close transition
horzopen 23 ..FV....... horz open transition
horzclose 24 ..FV....... horz close transition
dissolve 25 ..FV....... dissolve transition
pixelize 26 ..FV....... pixelize transition
diagtl 27 ..FV....... diag tl transition
diagtr 28 ..FV....... diag tr transition
diagbl 29 ..FV....... diag bl transition
diagbr 30 ..FV....... diag br transition
hlslice 31 ..FV....... hl slice transition
hrslice 32 ..FV....... hr slice transition
vuslice 33 ..FV....... vu slice transition
vdslice 34 ..FV....... vd slice transition
hblur 35 ..FV....... hblur transition
fadegrays 36 ..FV....... fadegrays transition
wipetl 37 ..FV....... wipe tl transition
wipetr 38 ..FV....... wipe tr transition
wipebl 39 ..FV....... wipe bl transition
wipebr 40 ..FV....... wipe br transition
squeezeh 41 ..FV....... squeeze h transition
squeezev 42 ..FV....... squeeze v transition
zoomin 43 ..FV....... zoom in transition
fadefast 44 ..FV....... fast fade transition
fadeslow 45 ..FV....... slow fade transition
hlwind 46 ..FV....... hl wind transition
hrwind 47 ..FV....... hr wind transition
vuwind 48 ..FV....... vu wind transition
vdwind 49 ..FV....... vd wind transition
coverleft 50 ..FV....... cover left transition
coverright 51 ..FV....... cover right transition
coverup 52 ..FV....... cover up transition
coverdown 53 ..FV....... cover down transition
revealleft 54 ..FV....... reveal left transition
revealright 55 ..FV....... reveal right transition
revealup 56 ..FV....... reveal up transition
revealdown 57 ..FV....... reveal down transition
duration <duration> ..FV....... set cross fade duration (default 1)
offset <duration> ..FV....... set cross fade start relative to first input stream (default 0)
expr <string> ..FV....... set expression for custom transition

xmedian AVOptions:
inputs <int> ..FV....... set number of inputs (from 3 to 255) (default 3)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
percentile <float> ..FV.....T. set percentile (from 0 to 1) (default 0.5)

xstack AVOptions:
inputs <int> ..FV....... set number of inputs (from 2 to INT_MAX) (default 2)
layout <string> ..FV....... set custom layout
grid <image_size> ..FV....... set fixed size grid layout
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
fill <string> ..FV....... set the color for unused pixels (default "none")

yadif AVOptions:
mode <int> ..FV....... specify the interlacing mode (from 0 to 3) (default send_frame)
send_frame 0 ..FV....... send one frame for each frame
send_field 1 ..FV....... send one frame for each field
send_frame_nospatial 2 ..FV....... send one frame for each frame, but skip spatial interlacing check
send_field_nospatial 3 ..FV....... send one frame for each field, but skip spatial interlacing check
parity <int> ..FV....... specify the assumed picture field parity (from -1 to 1) (default auto)
tff 0 ..FV....... assume top field first
bff 1 ..FV....... assume bottom field first
auto -1 ..FV....... auto detect parity
deint <int> ..FV....... specify which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV....... deinterlace all frames
interlaced 1 ..FV....... only deinterlace frames marked as interlaced

yaepblur AVOptions:
radius <int> ..FV.....T. set window radius (from 0 to INT_MAX) (default 3)
r <int> ..FV.....T. set window radius (from 0 to INT_MAX) (default 3)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 1)
p <int> ..FV.....T. set planes to filter (from 0 to 15) (default 1)
sigma <int> ..FV.....T. set blur strength (from 1 to INT_MAX) (default 128)
s <int> ..FV.....T. set blur strength (from 1 to INT_MAX) (default 128)

zoompan AVOptions:
zoom <string> ..FV....... set the zoom expression (default "1")
z <string> ..FV....... set the zoom expression (default "1")
x <string> ..FV....... set the x expression (default "0")
y <string> ..FV....... set the y expression (default "0")
d <string> ..FV....... set the duration expression (default "90")
s <image_size> ..FV....... set the output image size (default "hd720")
fps <video_rate> ..FV....... set the output framerate (default "25")

zscale AVOptions:
w <string> ..FV.....T. Output video width
width <string> ..FV.....T. Output video width
h <string> ..FV.....T. Output video height
height <string> ..FV.....T. Output video height
size <string> ..FV....... set video size
s <string> ..FV....... set video size
dither <int> ..FV....... set dither type (from 0 to 3) (default none)
none 0 ..FV.......
ordered 1 ..FV.......
random 2 ..FV.......
error_diffusion 3 ..FV.......
d <int> ..FV....... set dither type (from 0 to 3) (default none)
none 0 ..FV.......
ordered 1 ..FV.......
random 2 ..FV.......
error_diffusion 3 ..FV.......
filter <int> ..FV....... set filter type (from 0 to 5) (default bilinear)
point 0 ..FV.......
bilinear 1 ..FV.......
bicubic 2 ..FV.......
spline16 3 ..FV.......
spline36 4 ..FV.......
lanczos 5 ..FV.......
f <int> ..FV....... set filter type (from 0 to 5) (default bilinear)
point 0 ..FV.......
bilinear 1 ..FV.......
bicubic 2 ..FV.......
spline16 3 ..FV.......
spline36 4 ..FV.......
lanczos 5 ..FV.......
out_range <int> ..FV....... set color range (from -1 to 1) (default input)
input -1 ..FV.......
limited 0 ..FV.......
full 1 ..FV.......
unknown -1 ..FV.......
tv 0 ..FV.......
pc 1 ..FV.......
range <int> ..FV....... set color range (from -1 to 1) (default input)
input -1 ..FV.......
limited 0 ..FV.......
full 1 ..FV.......
unknown -1 ..FV.......
tv 0 ..FV.......
pc 1 ..FV.......
r <int> ..FV....... set color range (from -1 to 1) (default input)
input -1 ..FV.......
limited 0 ..FV.......
full 1 ..FV.......
unknown -1 ..FV.......
tv 0 ..FV.......
pc 1 ..FV.......
primaries <int> ..FV....... set color primaries (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
170m 6 ..FV.......
240m 7 ..FV.......
2020 9 ..FV.......
unknown 2 ..FV.......
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
film 8 ..FV.......
bt2020 9 ..FV.......
smpte428 10 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
p <int> ..FV....... set color primaries (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
170m 6 ..FV.......
240m 7 ..FV.......
2020 9 ..FV.......
unknown 2 ..FV.......
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
film 8 ..FV.......
bt2020 9 ..FV.......
smpte428 10 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
transfer <int> ..FV....... set transfer characteristic (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
601 6 ..FV.......
linear 8 ..FV.......
2020_10 14 ..FV.......
2020_12 15 ..FV.......
unknown 2 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt709 1 ..FV.......
linear 8 ..FV.......
log100 9 ..FV.......
log316 10 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
smpte2084 16 ..FV.......
iec61966-2-4 11 ..FV.......
iec61966-2-1 13 ..FV.......
arib-std-b67 18 ..FV.......
t <int> ..FV....... set transfer characteristic (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
601 6 ..FV.......
linear 8 ..FV.......
2020_10 14 ..FV.......
2020_12 15 ..FV.......
unknown 2 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt709 1 ..FV.......
linear 8 ..FV.......
log100 9 ..FV.......
log316 10 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
smpte2084 16 ..FV.......
iec61966-2-4 11 ..FV.......
iec61966-2-1 13 ..FV.......
arib-std-b67 18 ..FV.......
matrix <int> ..FV....... set colorspace matrix (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
470bg 5 ..FV.......
170m 6 ..FV.......
2020_ncl 9 ..FV.......
2020_cl 10 ..FV.......
unknown 2 ..FV.......
gbr 0 ..FV.......
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
bt2020nc 9 ..FV.......
bt2020c 10 ..FV.......
chroma-derived-nc 12 ..FV.......
chroma-derived-c 13 ..FV.......
ictcp 14 ..FV.......
m <int> ..FV....... set colorspace matrix (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
470bg 5 ..FV.......
170m 6 ..FV.......
2020_ncl 9 ..FV.......
2020_cl 10 ..FV.......
unknown 2 ..FV.......
gbr 0 ..FV.......
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
bt2020nc 9 ..FV.......
bt2020c 10 ..FV.......
chroma-derived-nc 12 ..FV.......
chroma-derived-c 13 ..FV.......
ictcp 14 ..FV.......
in_range <int> ..FV....... set input color range (from -1 to 1) (default input)
input -1 ..FV.......
limited 0 ..FV.......
full 1 ..FV.......
unknown -1 ..FV.......
tv 0 ..FV.......
pc 1 ..FV.......
rangein <int> ..FV....... set input color range (from -1 to 1) (default input)
input -1 ..FV.......
limited 0 ..FV.......
full 1 ..FV.......
unknown -1 ..FV.......
tv 0 ..FV.......
pc 1 ..FV.......
rin <int> ..FV....... set input color range (from -1 to 1) (default input)
input -1 ..FV.......
limited 0 ..FV.......
full 1 ..FV.......
unknown -1 ..FV.......
tv 0 ..FV.......
pc 1 ..FV.......
primariesin <int> ..FV....... set input color primaries (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
170m 6 ..FV.......
240m 7 ..FV.......
2020 9 ..FV.......
unknown 2 ..FV.......
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
film 8 ..FV.......
bt2020 9 ..FV.......
smpte428 10 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
pin <int> ..FV....... set input color primaries (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
170m 6 ..FV.......
240m 7 ..FV.......
2020 9 ..FV.......
unknown 2 ..FV.......
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
film 8 ..FV.......
bt2020 9 ..FV.......
smpte428 10 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
transferin <int> ..FV....... set input transfer characteristic (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
601 6 ..FV.......
linear 8 ..FV.......
2020_10 14 ..FV.......
2020_12 15 ..FV.......
unknown 2 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt709 1 ..FV.......
linear 8 ..FV.......
log100 9 ..FV.......
log316 10 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
smpte2084 16 ..FV.......
iec61966-2-4 11 ..FV.......
iec61966-2-1 13 ..FV.......
arib-std-b67 18 ..FV.......
tin <int> ..FV....... set input transfer characteristic (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
601 6 ..FV.......
linear 8 ..FV.......
2020_10 14 ..FV.......
2020_12 15 ..FV.......
unknown 2 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt709 1 ..FV.......
linear 8 ..FV.......
log100 9 ..FV.......
log316 10 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
smpte2084 16 ..FV.......
iec61966-2-4 11 ..FV.......
iec61966-2-1 13 ..FV.......
arib-std-b67 18 ..FV.......
matrixin <int> ..FV....... set input colorspace matrix (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
470bg 5 ..FV.......
170m 6 ..FV.......
2020_ncl 9 ..FV.......
2020_cl 10 ..FV.......
unknown 2 ..FV.......
gbr 0 ..FV.......
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
bt2020nc 9 ..FV.......
bt2020c 10 ..FV.......
chroma-derived-nc 12 ..FV.......
chroma-derived-c 13 ..FV.......
ictcp 14 ..FV.......
min <int> ..FV....... set input colorspace matrix (from -1 to INT_MAX) (default input)
input -1 ..FV.......
709 1 ..FV.......
unspecified 2 ..FV.......
470bg 5 ..FV.......
170m 6 ..FV.......
2020_ncl 9 ..FV.......
2020_cl 10 ..FV.......
unknown 2 ..FV.......
gbr 0 ..FV.......
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
bt2020nc 9 ..FV.......
bt2020c 10 ..FV.......
chroma-derived-nc 12 ..FV.......
chroma-derived-c 13 ..FV.......
ictcp 14 ..FV.......
chromal <int> ..FV....... set output chroma location (from -1 to 5) (default input)
input -1 ..FV.......
left 0 ..FV.......
center 1 ..FV.......
topleft 2 ..FV.......
top 3 ..FV.......
bottomleft 4 ..FV.......
bottom 5 ..FV.......
c <int> ..FV....... set output chroma location (from -1 to 5) (default input)
input -1 ..FV.......
left 0 ..FV.......
center 1 ..FV.......
topleft 2 ..FV.......
top 3 ..FV.......
bottomleft 4 ..FV.......
bottom 5 ..FV.......
chromalin <int> ..FV....... set input chroma location (from -1 to 5) (default input)
input -1 ..FV.......
left 0 ..FV.......
center 1 ..FV.......
topleft 2 ..FV.......
top 3 ..FV.......
bottomleft 4 ..FV.......
bottom 5 ..FV.......
cin <int> ..FV....... set input chroma location (from -1 to 5) (default input)
input -1 ..FV.......
left 0 ..FV.......
center 1 ..FV.......
topleft 2 ..FV.......
top 3 ..FV.......
bottomleft 4 ..FV.......
bottom 5 ..FV.......
npl <double> ..FV....... set nominal peak luminance (from 0 to DBL_MAX) (default nan)
agamma <boolean> ..FV....... allow approximate gamma (default true)
param_a <double> ..FV....... parameter A, which is parameter "b" for bicubic, and the number of filter taps for lanczos (from -DBL_MAX to DBL_MAX) (default nan)
param_b <double> ..FV....... parameter B, which is parameter "c" for bicubic (from -DBL_MAX to DBL_MAX) (default nan)

hstack_qsv AVOptions:
inputs <int> ..FV....... Set number of inputs (from 2 to 65535) (default 2)
shortest <boolean> ..FV....... Force termination when the shortest input terminates (default false)
height <int> ..FV....... Set output height (0 to use the height of input 0) (from 0 to 65535) (default 0)

vstack_qsv AVOptions:
inputs <int> ..FV....... Set number of inputs (from 2 to 65535) (default 2)
shortest <boolean> ..FV....... Force termination when the shortest input terminates (default false)
width <int> ..FV....... Set output width (0 to use the width of input 0) (from 0 to 65535) (default 0)

xstack_qsv AVOptions:
inputs <int> ..FV....... Set number of inputs (from 2 to 65535) (default 2)
shortest <boolean> ..FV....... Force termination when the shortest input terminates (default false)
layout <string> ..FV....... Set custom layout
grid <image_size> ..FV....... set fixed size grid layout
grid_tile_size <image_size> ..FV....... set tile size in grid layout
fill <string> ..FV....... Set the color for unused pixels (default "none")

allyuv/allrgb AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)

cellauto AVOptions:
filename <string> ..FV....... read initial pattern from file
f <string> ..FV....... read initial pattern from file
pattern <string> ..FV....... set initial pattern
p <string> ..FV....... set initial pattern
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
size <image_size> ..FV....... set video size
s <image_size> ..FV....... set video size
rule <int> ..FV....... set rule (from 0 to 255) (default 110)
random_fill_ratio <double> ..FV....... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
ratio <double> ..FV....... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
random_seed <int64> ..FV....... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
seed <int64> ..FV....... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
scroll <boolean> ..FV....... scroll pattern downward (default true)
start_full <boolean> ..FV....... start filling the whole video (default false)
full <boolean> ..FV....... start filling the whole video (default true)
stitch <boolean> ..FV....... stitch boundaries (default true)

color AVOptions:
color <color> ..FV.....T. set color (default "black")
c <color> ..FV.....T. set color (default "black")
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)

colorchart AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
patch_size <image_size> ..FV....... set the single patch size (default "64x64")
preset <int> ..FV....... set the color checker chart preset (from 0 to 1) (default reference)
reference 0 ..FV....... reference
skintones 1 ..FV....... skintones

colorspectrum AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
type <int> ..FV....... set the color spectrum type (from 0 to 2) (default black)
black 0 ..FV....... fade to black
white 1 ..FV....... fade to white
all 2 ..FV....... white to black

gradients AVOptions:
size <image_size> ..FV....... set frame size (default "640x480")
s <image_size> ..FV....... set frame size (default "640x480")
rate <video_rate> ..FV....... set frame rate (default "25")
r <video_rate> ..FV....... set frame rate (default "25")
c0 <color> ..FV....... set 1st color (default "random")
c1 <color> ..FV....... set 2nd color (default "random")
c2 <color> ..FV....... set 3rd color (default "random")
c3 <color> ..FV....... set 4th color (default "random")
c4 <color> ..FV....... set 5th color (default "random")
c5 <color> ..FV....... set 6th color (default "random")
c6 <color> ..FV....... set 7th color (default "random")
c7 <color> ..FV....... set 8th color (default "random")
x0 <int> ..FV....... set gradient line source x0 (from -1 to INT_MAX) (default -1)
y0 <int> ..FV....... set gradient line source y0 (from -1 to INT_MAX) (default -1)
x1 <int> ..FV....... set gradient line destination x1 (from -1 to INT_MAX) (default -1)
y1 <int> ..FV....... set gradient line destination y1 (from -1 to INT_MAX) (default -1)
nb_colors <int> ..FV....... set the number of colors (from 2 to 8) (default 2)
n <int> ..FV....... set the number of colors (from 2 to 8) (default 2)
seed <int64> ..FV....... set the seed (from -1 to UINT32_MAX) (default -1)
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
speed <float> ..FV....... set gradients rotation speed (from 1e-005 to 1) (default 0.01)
type <int> ..FV....... set gradient type (from 0 to 3) (default linear)
linear 0 ..FV....... set gradient type
radial 1 ..FV....... set gradient type
circular 2 ..FV....... set gradient type
spiral 3 ..FV....... set gradient type
t <int> ..FV....... set gradient type (from 0 to 3) (default linear)
linear 0 ..FV....... set gradient type
radial 1 ..FV....... set gradient type
circular 2 ..FV....... set gradient type
spiral 3 ..FV....... set gradient type

haldclutsrc AVOptions:
level <int> ..FV....... set level (from 2 to 16) (default 6)
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)

life AVOptions:
filename <string> ..FV....... set source file
f <string> ..FV....... set source file
size <image_size> ..FV....... set video size
s <image_size> ..FV....... set video size
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
rule <string> ..FV....... set rule (default "B3/S23")
random_fill_ratio <double> ..FV....... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
ratio <double> ..FV....... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
random_seed <int64> ..FV....... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
seed <int64> ..FV....... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
stitch <boolean> ..FV....... stitch boundaries (default true)
mold <int> ..FV....... set mold speed for dead cells (from 0 to 255) (default 0)
life_color <color> ..FV....... set life color (default "white")
death_color <color> ..FV....... set death color (default "black")
mold_color <color> ..FV....... set mold color (default "black")

mandelbrot AVOptions:
size <image_size> ..FV....... set frame size (default "640x480")
s <image_size> ..FV....... set frame size (default "640x480")
rate <video_rate> ..FV....... set frame rate (default "25")
r <video_rate> ..FV....... set frame rate (default "25")
maxiter <int> ..FV....... set max iterations number (from 1 to INT_MAX) (default 7189)
start_x <double> ..FV....... set the initial x position (from -100 to 100) (default -0.743644)
start_y <double> ..FV....... set the initial y position (from -100 to 100) (default -0.131826)
start_scale <double> ..FV....... set the initial scale value (from 0 to FLT_MAX) (default 3)
end_scale <double> ..FV....... set the terminal scale value (from 0 to FLT_MAX) (default 0.3)
end_pts <double> ..FV....... set the terminal pts value (from 0 to I64_MAX) (default 400)
bailout <double> ..FV....... set the bailout value (from 0 to FLT_MAX) (default 10)
morphxf <double> ..FV....... set morph x frequency (from -FLT_MAX to FLT_MAX) (default 0.01)
morphyf <double> ..FV....... set morph y frequency (from -FLT_MAX to FLT_MAX) (default 0.0123)
morphamp <double> ..FV....... set morph amplitude (from -FLT_MAX to FLT_MAX) (default 0)
outer <int> ..FV....... set outer coloring mode (from 0 to INT_MAX) (default normalized_iteration_count)
iteration_count 0 ..FV....... set iteration count mode
normalized_iteration_count 1 ..FV....... set normalized iteration count mode
white 2 ..FV....... set white mode
outz 3 ..FV....... set outz mode
inner <int> ..FV....... set inner coloring mode (from 0 to INT_MAX) (default mincol)
black 0 ..FV....... set black mode
period 1 ..FV....... set period mode
convergence 2 ..FV....... show time until convergence
mincol 3 ..FV....... color based on point closest to the origin of the iterations

mptestsrc AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
test <int> ..FV....... set test to perform (from 0 to INT_MAX) (default all)
dc_luma 0 ..FV.......
dc_chroma 1 ..FV.......
freq_luma 2 ..FV.......
freq_chroma 3 ..FV.......
amp_luma 4 ..FV.......
amp_chroma 5 ..FV.......
cbp 6 ..FV.......
mv 7 ..FV.......
ring1 8 ..FV.......
ring2 9 ..FV.......
all 10 ..FV.......
t <int> ..FV....... set test to perform (from 0 to INT_MAX) (default all)
dc_luma 0 ..FV.......
dc_chroma 1 ..FV.......
freq_luma 2 ..FV.......
freq_chroma 3 ..FV.......
amp_luma 4 ..FV.......
amp_chroma 5 ..FV.......
cbp 6 ..FV.......
mv 7 ..FV.......
ring1 8 ..FV.......
ring2 9 ..FV.......
all 10 ..FV.......
max_frames <int64> ..FV....... Set the maximum number of frames generated for each test (from 1 to I64_MAX) (default 30)
m <int64> ..FV....... Set the maximum number of frames generated for each test (from 1 to I64_MAX) (default 30)

nullsrc/yuvtestsrc AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)

pal(75|100)bars AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)

rgbtestsrc AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
complement <boolean> ..FV....... set complement colors (default false)
co <boolean> ..FV....... set complement colors (default false)

sierpinski AVOptions:
size <image_size> ..FV....... set frame size (default "640x480")
s <image_size> ..FV....... set frame size (default "640x480")
rate <video_rate> ..FV....... set frame rate (default "25")
r <video_rate> ..FV....... set frame rate (default "25")
seed <int64> ..FV....... set the seed (from -1 to UINT32_MAX) (default -1)
jump <int> ..FV....... set the jump (from 1 to 10000) (default 100)
type <int> ..FV....... set fractal type (from 0 to 1) (default carpet)
carpet 0 ..FV....... sierpinski carpet
triangle 1 ..FV....... sierpinski triangle

smpte(hd)bars AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)

testsrc AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
decimals <int> ..FV....... set number of decimals to show (from 0 to 17) (default 0)
n <int> ..FV....... set number of decimals to show (from 0 to 17) (default 0)

testsrc2 AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
alpha <int> ..FV....... set global alpha (opacity) (from 0 to 255) (default 255)

zoneplate AVOptions:
size <image_size> ..FV....... set video size (default "320x240")
s <image_size> ..FV....... set video size (default "320x240")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
duration <duration> ..FV....... set video duration (default -0.000001)
d <duration> ..FV....... set video duration (default -0.000001)
sar <rational> ..FV....... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
precision <int> ..FV....... set LUT precision (from 4 to 16) (default 10)
xo <int> ..FV.....T. set X-axis offset (from INT_MIN to INT_MAX) (default 0)
yo <int> ..FV.....T. set Y-axis offset (from INT_MIN to INT_MAX) (default 0)
to <int> ..FV.....T. set T-axis offset (from INT_MIN to INT_MAX) (default 0)
k0 <int> ..FV.....T. set 0-order phase (from INT_MIN to INT_MAX) (default 0)
kx <int> ..FV.....T. set 1-order X-axis phase (from INT_MIN to INT_MAX) (default 0)
ky <int> ..FV.....T. set 1-order Y-axis phase (from INT_MIN to INT_MAX) (default 0)
kt <int> ..FV.....T. set 1-order T-axis phase (from INT_MIN to INT_MAX) (default 0)
kxt <int> ..FV.....T. set X-axis*T-axis product phase (from INT_MIN to INT_MAX) (default 0)
kyt <int> ..FV.....T. set Y-axis*T-axis product phase (from INT_MIN to INT_MAX) (default 0)
kxy <int> ..FV.....T. set X-axis*Y-axis product phase (from INT_MIN to INT_MAX) (default 0)
kx2 <int> ..FV.....T. set 2-order X-axis phase (from INT_MIN to INT_MAX) (default 0)
ky2 <int> ..FV.....T. set 2-order Y-axis phase (from INT_MIN to INT_MAX) (default 0)
kt2 <int> ..FV.....T. set 2-order T-axis phase (from INT_MIN to INT_MAX) (default 0)
ku <int> ..FV.....T. set 0-order U-color phase (from INT_MIN to INT_MAX) (default 0)
kv <int> ..FV.....T. set 0-order V-color phase (from INT_MIN to INT_MAX) (default 0)

a3dscope AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
size <image_size> ..FV....... set video size (default "hd720")
s <image_size> ..FV....... set video size (default "hd720")
fov <float> ..FV.....T. set camera FoV (from 40 to 150) (default 90)
roll <float> ..FV.....T. set camera roll (from -180 to 180) (default 0)
pitch <float> ..FV.....T. set camera pitch (from -180 to 180) (default 0)
yaw <float> ..FV.....T. set camera yaw (from -180 to 180) (default 0)
xzoom <float> ..FV.....T. set camera zoom (from 0.01 to 10) (default 1)
yzoom <float> ..FV.....T. set camera zoom (from 0.01 to 10) (default 1)
zzoom <float> ..FV.....T. set camera zoom (from 0.01 to 10) (default 1)
xpos <float> ..FV.....T. set camera position (from -60 to 60) (default 0)
ypos <float> ..FV.....T. set camera position (from -60 to 60) (default 0)
zpos <float> ..FV.....T. set camera position (from -60 to 60) (default 0)
length <int> ..FV....... set length (from 1 to 60) (default 15)

abitscope AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
size <image_size> ..FV....... set video size (default "1024x256")
s <image_size> ..FV....... set video size (default "1024x256")
colors <string> ..FV....... set channels colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")
mode <int> ..FV....... set output mode (from 0 to 1) (default bars)
bars 0 ..FV.......
trace 1 ..FV.......
m <int> ..FV....... set output mode (from 0 to 1) (default bars)
bars 0 ..FV.......
trace 1 ..FV.......

ahistogram AVOptions:
dmode <int> ..FV....... set method to display channels (from 0 to 1) (default single)
single 0 ..FV....... all channels use single histogram
separate 1 ..FV....... each channel have own histogram
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
size <image_size> ..FV....... set video size (default "hd720")
s <image_size> ..FV....... set video size (default "hd720")
scale <int> ..FV....... set display scale (from 0 to 4) (default log)
log 3 ..FV....... logarithmic
sqrt 1 ..FV....... square root
cbrt 2 ..FV....... cubic root
lin 0 ..FV....... linear
rlog 4 ..FV....... reverse logarithmic
ascale <int> ..FV....... set amplitude scale (from 0 to 1) (default log)
log 1 ..FV....... logarithmic
lin 0 ..FV....... linear
acount <int> ..FV....... how much frames to accumulate (from -1 to 100) (default 1)
rheight <float> ..FV....... set histogram ratio of window height (from 0 to 1) (default 0.1)
slide <int> ..FV....... set sonogram sliding (from 0 to 1) (default replace)
replace 0 ..FV....... replace old rows with new
scroll 1 ..FV....... scroll from top to bottom
hmode <int> ..FV....... set histograms mode (from 0 to 1) (default abs)
abs 0 ..FV....... use absolute samples
sign 1 ..FV....... use unchanged samples

aphasemeter AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
size <image_size> ..FV....... set video size (default "800x400")
s <image_size> ..FV....... set video size (default "800x400")
rc <int> ..FV....... set red contrast (from 0 to 255) (default 2)
gc <int> ..FV....... set green contrast (from 0 to 255) (default 7)
bc <int> ..FV....... set blue contrast (from 0 to 255) (default 1)
mpc <string> ..FV....... set median phase color (default "none")
video <boolean> ..FV....... set video output (default true)
phasing <boolean> ..FV....... set mono and out-of-phase detection output (default false)
tolerance <float> ..FV....... set phase tolerance for mono detection (from 0 to 1) (default 0)
t <float> ..FV....... set phase tolerance for mono detection (from 0 to 1) (default 0)
angle <float> ..FV....... set angle threshold for out-of-phase detection (from 90 to 180) (default 170)
a <float> ..FV....... set angle threshold for out-of-phase detection (from 90 to 180) (default 170)
duration <duration> ..FV....... set minimum mono or out-of-phase duration in seconds (default 2)
d <duration> ..FV....... set minimum mono or out-of-phase duration in seconds (default 2)

avectorscope AVOptions:
mode <int> ..FV.....T. set mode (from 0 to 2) (default lissajous)
lissajous 0 ..FV.....T.
lissajous_xy 1 ..FV.....T.
polar 2 ..FV.....T.
m <int> ..FV.....T. set mode (from 0 to 2) (default lissajous)
lissajous 0 ..FV.....T.
lissajous_xy 1 ..FV.....T.
polar 2 ..FV.....T.
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
size <image_size> ..FV....... set video size (default "400x400")
s <image_size> ..FV....... set video size (default "400x400")
rc <int> ..FV.....T. set red contrast (from 0 to 255) (default 40)
gc <int> ..FV.....T. set green contrast (from 0 to 255) (default 160)
bc <int> ..FV.....T. set blue contrast (from 0 to 255) (default 80)
ac <int> ..FV.....T. set alpha contrast (from 0 to 255) (default 255)
rf <int> ..FV.....T. set red fade (from 0 to 255) (default 15)
gf <int> ..FV.....T. set green fade (from 0 to 255) (default 10)
bf <int> ..FV.....T. set blue fade (from 0 to 255) (default 5)
af <int> ..FV.....T. set alpha fade (from 0 to 255) (default 5)
zoom <double> ..FV.....T. set zoom factor (from 0 to 10) (default 1)
draw <int> ..FV.....T. set draw mode (from 0 to 2) (default dot)
dot 0 ..FV.....T. draw dots
line 1 ..FV.....T. draw lines
aaline 2 ..FV.....T. draw anti-aliased lines
scale <int> ..FV.....T. set amplitude scale mode (from 0 to 3) (default lin)
lin 0 ..FV.....T. linear
sqrt 1 ..FV.....T. square root
cbrt 2 ..FV.....T. cube root
log 3 ..FV.....T. logarithmic
swap <boolean> ..FV.....T. swap x axis with y axis (default true)
mirror <int> ..FV.....T. mirror axis (from 0 to 3) (default none)
none 0 ..FV.....T. no mirror
x 1 ..FV.....T. mirror x
y 2 ..FV.....T. mirror y
xy 3 ..FV.....T. mirror both

concat AVOptions:
n <int> ..FVA...... specify the number of segments (from 1 to INT_MAX) (default 2)
v <int> ..FV....... specify the number of video streams (from 0 to INT_MAX) (default 1)
a <int> ..F.A...... specify the number of audio streams (from 0 to INT_MAX) (default 0)
unsafe <boolean> ..FVA...... enable unsafe mode (default false)

showcqt AVOptions:
size <image_size> ..FV....... set video size (default "1920x1080")
s <image_size> ..FV....... set video size (default "1920x1080")
fps <video_rate> ..FV....... set video rate (default "25")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
bar_h <int> ..FV....... set bargraph height (from -1 to INT_MAX) (default -1)
axis_h <int> ..FV....... set axis height (from -1 to INT_MAX) (default -1)
sono_h <int> ..FV....... set sonogram height (from -1 to INT_MAX) (default -1)
fullhd <boolean> ..FV....... set fullhd size (default true)
sono_v <string> ..FV....... set sonogram volume (default "16")
volume <string> ..FV....... set sonogram volume (default "16")
bar_v <string> ..FV....... set bargraph volume (default "sono_v")
volume2 <string> ..FV....... set bargraph volume (default "sono_v")
sono_g <float> ..FV....... set sonogram gamma (from 1 to 7) (default 3)
gamma <float> ..FV....... set sonogram gamma (from 1 to 7) (default 3)
bar_g <float> ..FV....... set bargraph gamma (from 1 to 7) (default 1)
gamma2 <float> ..FV....... set bargraph gamma (from 1 to 7) (default 1)
bar_t <float> ..FV....... set bar transparency (from 0 to 1) (default 1)
timeclamp <double> ..FV....... set timeclamp (from 0.002 to 1) (default 0.17)
tc <double> ..FV....... set timeclamp (from 0.002 to 1) (default 0.17)
attack <double> ..FV....... set attack time (from 0 to 1) (default 0)
basefreq <double> ..FV....... set base frequency (from 10 to 100000) (default 20.0152)
endfreq <double> ..FV....... set end frequency (from 10 to 100000) (default 20495.6)
coeffclamp <float> ..FV....... set coeffclamp (from 0.1 to 10) (default 1)
tlength <string> ..FV....... set tlength (default "384*tc/(384+tc*f)")
count <int> ..FV....... set transform count (from 1 to 30) (default 6)
fcount <int> ..FV....... set frequency count (from 0 to 10) (default 0)
fontfile <string> ..FV....... set axis font file
font <string> ..FV....... set axis font
fontcolor <string> ..FV....... set font color (default "st(0, (midi(f)-59.5)/12);st(1, if(between(ld(0),0,1), 0.5-0.5*cos(2*PI*ld(0)), 0));r(1-ld(1)) + b(ld(1))")
axisfile <string> ..FV....... set axis image
axis <boolean> ..FV....... draw axis (default true)
text <boolean> ..FV....... draw axis (default true)
csp <int> ..FV....... set color space (from 0 to INT_MAX) (default unspecified)
unspecified 2 ..FV....... unspecified
bt709 1 ..FV....... bt709
fcc 4 ..FV....... fcc
bt470bg 5 ..FV....... bt470bg
smpte170m 6 ..FV....... smpte170m
smpte240m 7 ..FV....... smpte240m
bt2020ncl 9 ..FV....... bt2020ncl
cscheme <string> ..FV....... set color scheme (default "1|0.5|0|0|0.5|1")

showcwt AVOptions:
size <image_size> ..FV....... set video size (default "640x512")
s <image_size> ..FV....... set video size (default "640x512")
rate <string> ..FV....... set video rate (default "25")
r <string> ..FV....... set video rate (default "25")
scale <int> ..FV....... set frequency scale (from 0 to 7) (default linear)
linear 0 ..FV....... linear
log 1 ..FV....... logarithmic
bark 2 ..FV....... bark
mel 3 ..FV....... mel
erbs 4 ..FV....... erbs
sqrt 5 ..FV....... sqrt
cbrt 6 ..FV....... cbrt
qdrt 7 ..FV....... qdrt
iscale <int> ..FV....... set intensity scale (from 0 to 4) (default log)
linear 1 ..FV....... linear
log 0 ..FV....... logarithmic
sqrt 2 ..FV....... sqrt
cbrt 3 ..FV....... cbrt
qdrt 4 ..FV....... qdrt
min <float> ..FV....... set minimum frequency (from 1 to 192000) (default 20)
max <float> ..FV....... set maximum frequency (from 1 to 192000) (default 20000)
logb <float> ..FV....... set logarithmic basis (from 0 to 1) (default 0.0001)
deviation <float> ..FV....... set frequency deviation (from 0 to 100) (default 1)
pps <int> ..FV....... set pixels per second (from 1 to 1024) (default 64)
mode <int> ..FV....... set output mode (from 0 to 4) (default magnitude)
magnitude 0 ..FV....... magnitude
phase 1 ..FV....... phase
magphase 2 ..FV....... magnitude+phase
channel 3 ..FV....... color per channel
stereo 4 ..FV....... stereo difference
slide <int> ..FV....... set slide mode (from 0 to 2) (default replace)
replace 0 ..FV....... replace
scroll 1 ..FV....... scroll
frame 2 ..FV....... frame
direction <int> ..FV....... set direction mode (from 0 to 3) (default lr)
lr 0 ..FV....... left to right
rl 1 ..FV....... right to left
ud 2 ..FV....... up to down
du 3 ..FV....... down to up
bar <float> ..FV....... set bar ratio (from 0 to 1) (default 0)
rotation <float> ..FV....... set color rotation (from -1 to 1) (default 0)

showfreqs AVOptions:
size <image_size> ..FV....... set video size (default "1024x512")
s <image_size> ..FV....... set video size (default "1024x512")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
mode <int> ..FV....... set display mode (from 0 to 2) (default bar)
line 0 ..FV....... show lines
bar 1 ..FV....... show bars
dot 2 ..FV....... show dots
ascale <int> ..FV....... set amplitude scale (from 0 to 3) (default log)
lin 0 ..FV....... linear
sqrt 1 ..FV....... square root
cbrt 2 ..FV....... cubic root
log 3 ..FV....... logarithmic
fscale <int> ..FV....... set frequency scale (from 0 to 2) (default lin)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
rlog 2 ..FV....... reverse logarithmic
win_size <int> ..FV....... set window size (from 16 to 65536) (default 2048)
win_func <int> ..FV....... set window function (from 0 to 20) (default hann)
rect 0 ..FV....... Rectangular
bartlett 4 ..FV....... Bartlett
hann 1 ..FV....... Hann
hanning 1 ..FV....... Hanning
hamming 2 ..FV....... Hamming
blackman 3 ..FV....... Blackman
welch 5 ..FV....... Welch
flattop 6 ..FV....... Flat-top
bharris 7 ..FV....... Blackman-Harris
bnuttall 8 ..FV....... Blackman-Nuttall
bhann 11 ..FV....... Bartlett-Hann
sine 9 ..FV....... Sine
nuttall 10 ..FV....... Nuttall
lanczos 12 ..FV....... Lanczos
gauss 13 ..FV....... Gauss
tukey 14 ..FV....... Tukey
dolph 15 ..FV....... Dolph-Chebyshev
cauchy 16 ..FV....... Cauchy
parzen 17 ..FV....... Parzen
poisson 18 ..FV....... Poisson
bohman 19 ..FV....... Bohman
kaiser 20 ..FV....... Kaiser
overlap <float> ..FV....... set window overlap (from 0 to 1) (default 1)
averaging <int> ..FV....... set time averaging (from 0 to INT_MAX) (default 1)
colors <string> ..FV....... set channels colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")
cmode <int> ..FV....... set channel mode (from 0 to 1) (default combined)
combined 0 ..FV....... show all channels in same window
separate 1 ..FV....... show each channel in own window
minamp <float> ..FV....... set minimum amplitude (from FLT_MIN to 1e-006) (default 1e-006)
data <int> ..FV....... set data mode (from 0 to 2) (default magnitude)
magnitude 0 ..FV....... show magnitude
phase 1 ..FV....... show phase
delay 2 ..FV....... show group delay
channels <string> ..FV....... set channels to draw (default "all")

showspatial AVOptions:
size <image_size> ..FV....... set video size (default "512x512")
s <image_size> ..FV....... set video size (default "512x512")
win_size <int> ..FV....... set window size (from 1024 to 65536) (default 4096)
win_func <int> ..FV....... set window function (from 0 to 20) (default hann)
rect 0 ..FV....... Rectangular
bartlett 4 ..FV....... Bartlett
hann 1 ..FV....... Hann
hanning 1 ..FV....... Hanning
hamming 2 ..FV....... Hamming
blackman 3 ..FV....... Blackman
welch 5 ..FV....... Welch
flattop 6 ..FV....... Flat-top
bharris 7 ..FV....... Blackman-Harris
bnuttall 8 ..FV....... Blackman-Nuttall
bhann 11 ..FV....... Bartlett-Hann
sine 9 ..FV....... Sine
nuttall 10 ..FV....... Nuttall
lanczos 12 ..FV....... Lanczos
gauss 13 ..FV....... Gauss
tukey 14 ..FV....... Tukey
dolph 15 ..FV....... Dolph-Chebyshev
cauchy 16 ..FV....... Cauchy
parzen 17 ..FV....... Parzen
poisson 18 ..FV....... Poisson
bohman 19 ..FV....... Bohman
kaiser 20 ..FV....... Kaiser
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")

showspectrum AVOptions:
size <image_size> ..FV....... set video size (default "640x512")
s <image_size> ..FV....... set video size (default "640x512")
slide <int> ..FV....... set sliding mode (from 0 to 4) (default replace)
replace 0 ..FV....... replace old columns with new
scroll 1 ..FV....... scroll from right to left
fullframe 2 ..FV....... return full frames
rscroll 3 ..FV....... scroll from left to right
lreplace 4 ..FV....... replace from right to left
mode <int> ..FV....... set channel display mode (from 0 to 1) (default combined)
combined 0 ..FV....... combined mode
separate 1 ..FV....... separate mode
color <int> ..FV....... set channel coloring (from 0 to 14) (default channel)
channel 0 ..FV....... separate color for each channel
intensity 1 ..FV....... intensity based coloring
rainbow 2 ..FV....... rainbow based coloring
moreland 3 ..FV....... moreland based coloring
nebulae 4 ..FV....... nebulae based coloring
fire 5 ..FV....... fire based coloring
fiery 6 ..FV....... fiery based coloring
fruit 7 ..FV....... fruit based coloring
cool 8 ..FV....... cool based coloring
magma 9 ..FV....... magma based coloring
green 10 ..FV....... green based coloring
viridis 11 ..FV....... viridis based coloring
plasma 12 ..FV....... plasma based coloring
cividis 13 ..FV....... cividis based coloring
terrain 14 ..FV....... terrain based coloring
scale <int> ..FV....... set display scale (from 0 to 5) (default sqrt)
lin 0 ..FV....... linear
sqrt 1 ..FV....... square root
cbrt 2 ..FV....... cubic root
log 3 ..FV....... logarithmic
4thrt 4 ..FV....... 4th root
5thrt 5 ..FV....... 5th root
fscale <int> ..FV....... set frequency scale (from 0 to 1) (default lin)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
saturation <float> ..FV....... color saturation multiplier (from -10 to 10) (default 1)
win_func <int> ..FV....... set window function (from 0 to 20) (default hann)
rect 0 ..FV....... Rectangular
bartlett 4 ..FV....... Bartlett
hann 1 ..FV....... Hann
hanning 1 ..FV....... Hanning
hamming 2 ..FV....... Hamming
blackman 3 ..FV....... Blackman
welch 5 ..FV....... Welch
flattop 6 ..FV....... Flat-top
bharris 7 ..FV....... Blackman-Harris
bnuttall 8 ..FV....... Blackman-Nuttall
bhann 11 ..FV....... Bartlett-Hann
sine 9 ..FV....... Sine
nuttall 10 ..FV....... Nuttall
lanczos 12 ..FV....... Lanczos
gauss 13 ..FV....... Gauss
tukey 14 ..FV....... Tukey
dolph 15 ..FV....... Dolph-Chebyshev
cauchy 16 ..FV....... Cauchy
parzen 17 ..FV....... Parzen
poisson 18 ..FV....... Poisson
bohman 19 ..FV....... Bohman
kaiser 20 ..FV....... Kaiser
orientation <int> ..FV....... set orientation (from 0 to 1) (default vertical)
vertical 0 ..FV.......
horizontal 1 ..FV.......
overlap <float> ..FV....... set window overlap (from 0 to 1) (default 0)
gain <float> ..FV....... set scale gain (from 0 to 128) (default 1)
data <int> ..FV....... set data mode (from 0 to 2) (default magnitude)
magnitude 0 ..FV.......
phase 1 ..FV.......
uphase 2 ..FV.......
rotation <float> ..FV....... color rotation (from -1 to 1) (default 0)
start <int> ..FV....... start frequency (from 0 to INT_MAX) (default 0)
stop <int> ..FV....... stop frequency (from 0 to INT_MAX) (default 0)
fps <string> ..FV....... set video rate (default "auto")
legend <boolean> ..FV....... draw legend (default false)
drange <float> ..FV....... set dynamic range in dBFS (from 10 to 200) (default 120)
limit <float> ..FV....... set upper limit in dBFS (from -100 to 100) (default 0)
opacity <float> ..FV....... set opacity strength (from 0 to 10) (default 1)

showspectrumpic AVOptions:
size <image_size> ..FV....... set video size (default "4096x2048")
s <image_size> ..FV....... set video size (default "4096x2048")
mode <int> ..FV....... set channel display mode (from 0 to 1) (default combined)
combined 0 ..FV....... combined mode
separate 1 ..FV....... separate mode
color <int> ..FV....... set channel coloring (from 0 to 14) (default intensity)
channel 0 ..FV....... separate color for each channel
intensity 1 ..FV....... intensity based coloring
rainbow 2 ..FV....... rainbow based coloring
moreland 3 ..FV....... moreland based coloring
nebulae 4 ..FV....... nebulae based coloring
fire 5 ..FV....... fire based coloring
fiery 6 ..FV....... fiery based coloring
fruit 7 ..FV....... fruit based coloring
cool 8 ..FV....... cool based coloring
magma 9 ..FV....... magma based coloring
green 10 ..FV....... green based coloring
viridis 11 ..FV....... viridis based coloring
plasma 12 ..FV....... plasma based coloring
cividis 13 ..FV....... cividis based coloring
terrain 14 ..FV....... terrain based coloring
scale <int> ..FV....... set display scale (from 0 to 5) (default log)
lin 0 ..FV....... linear
sqrt 1 ..FV....... square root
cbrt 2 ..FV....... cubic root
log 3 ..FV....... logarithmic
4thrt 4 ..FV....... 4th root
5thrt 5 ..FV....... 5th root
fscale <int> ..FV....... set frequency scale (from 0 to 1) (default lin)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
saturation <float> ..FV....... color saturation multiplier (from -10 to 10) (default 1)
win_func <int> ..FV....... set window function (from 0 to 20) (default hann)
rect 0 ..FV....... Rectangular
bartlett 4 ..FV....... Bartlett
hann 1 ..FV....... Hann
hanning 1 ..FV....... Hanning
hamming 2 ..FV....... Hamming
blackman 3 ..FV....... Blackman
welch 5 ..FV....... Welch
flattop 6 ..FV....... Flat-top
bharris 7 ..FV....... Blackman-Harris
bnuttall 8 ..FV....... Blackman-Nuttall
bhann 11 ..FV....... Bartlett-Hann
sine 9 ..FV....... Sine
nuttall 10 ..FV....... Nuttall
lanczos 12 ..FV....... Lanczos
gauss 13 ..FV....... Gauss
tukey 14 ..FV....... Tukey
dolph 15 ..FV....... Dolph-Chebyshev
cauchy 16 ..FV....... Cauchy
parzen 17 ..FV....... Parzen
poisson 18 ..FV....... Poisson
bohman 19 ..FV....... Bohman
kaiser 20 ..FV....... Kaiser
orientation <int> ..FV....... set orientation (from 0 to 1) (default vertical)
vertical 0 ..FV.......
horizontal 1 ..FV.......
gain <float> ..FV....... set scale gain (from 0 to 128) (default 1)
legend <boolean> ..FV....... draw legend (default true)
rotation <float> ..FV....... color rotation (from -1 to 1) (default 0)
start <int> ..FV....... start frequency (from 0 to INT_MAX) (default 0)
stop <int> ..FV....... stop frequency (from 0 to INT_MAX) (default 0)
drange <float> ..FV....... set dynamic range in dBFS (from 10 to 200) (default 120)
limit <float> ..FV....... set upper limit in dBFS (from -100 to 100) (default 0)
opacity <float> ..FV....... set opacity strength (from 0 to 10) (default 1)

showvolume AVOptions:
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
b <int> ..FV....... set border width (from 0 to 5) (default 1)
w <int> ..FV....... set channel width (from 80 to 8192) (default 400)
h <int> ..FV....... set channel height (from 1 to 900) (default 20)
f <double> ..FV....... set fade (from 0 to 1) (default 0.95)
c <string> ..FV....... set volume color expression (default "PEAK*255+floor((1-PEAK)*255)*256+0xff000000")
t <boolean> ..FV....... display channel names (default true)
v <boolean> ..FV....... display volume value (default true)
dm <double> ..FV....... duration for max value display (from 0 to 9000) (default 0)
dmc <color> ..FV....... set color of the max value line (default "orange")
o <int> ..FV....... set orientation (from 0 to 1) (default h)
h 0 ..FV....... horizontal
v 1 ..FV....... vertical
s <int> ..FV....... set step size (from 0 to 5) (default 0)
p <float> ..FV....... set background opacity (from 0 to 1) (default 0)
m <int> ..FV....... set mode (from 0 to 1) (default p)
p 0 ..FV....... peak
r 1 ..FV....... rms
ds <int> ..FV....... set display scale (from 0 to 1) (default lin)
lin 0 ..FV....... linear
log 1 ..FV....... log

showwaves AVOptions:
size <image_size> ..FV....... set video size (default "600x240")
s <image_size> ..FV....... set video size (default "600x240")
mode <int> ..FV....... select display mode (from 0 to 3) (default point)
point 0 ..FV....... draw a point for each sample
line 1 ..FV....... draw a line for each sample
p2p 2 ..FV....... draw a line between samples
cline 3 ..FV....... draw a centered line for each sample
n <rational> ..FV....... set how many samples to show in the same point (from 0 to INT_MAX) (default 0/1)
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
split_channels <boolean> ..FV....... draw channels separately (default false)
colors <string> ..FV....... set channels colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")
scale <int> ..FV....... set amplitude scale (from 0 to 3) (default lin)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
sqrt 2 ..FV....... square root
cbrt 3 ..FV....... cubic root
draw <int> ..FV....... set draw mode (from 0 to 1) (default scale)
scale 0 ..FV....... scale pixel values for each drawn sample
full 1 ..FV....... draw every pixel for sample directly

showwavespic AVOptions:
size <image_size> ..FV....... set video size (default "600x240")
s <image_size> ..FV....... set video size (default "600x240")
split_channels <boolean> ..FV....... draw channels separately (default false)
colors <string> ..FV....... set channels colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")
scale <int> ..FV....... set amplitude scale (from 0 to 3) (default lin)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
sqrt 2 ..FV....... square root
cbrt 3 ..FV....... cubic root
draw <int> ..FV....... set draw mode (from 0 to 1) (default scale)
scale 0 ..FV....... scale pixel values for each drawn sample
full 1 ..FV....... draw every pixel for sample directly
filter <int> ..FV....... set filter mode (from 0 to 1) (default average)
average 0 ..FV....... use average samples
peak 1 ..FV....... use peak samples

spectrumsynth AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 15 to INT_MAX) (default 44100)
channels <int> ..F.A...... set channels (from 1 to 8) (default 1)
scale <int> ..FV....... set input amplitude scale (from 0 to 1) (default log)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
slide <int> ..FV....... set input sliding mode (from 0 to 3) (default fullframe)
replace 0 ..FV....... consume old columns with new
scroll 1 ..FV....... consume only most right column
fullframe 2 ..FV....... consume full frames
rscroll 3 ..FV....... consume only most left column
win_func <int> ..F.A...... set window function (from 0 to 20) (default rect)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
kaiser 20 ..F.A...... Kaiser
overlap <float> ..F.A...... set window overlap (from 0 to 1) (default 1)
orientation <int> ..FV....... set orientation (from 0 to 1) (default vertical)
vertical 0 ..FV.......
horizontal 1 ..FV.......

avsynctest AVOptions:
size <image_size> ..FV....... set frame size (default "hd720")
s <image_size> ..FV....... set frame size (default "hd720")
framerate <video_rate> ..FV....... set frame rate (default "30")
fr <video_rate> ..FV....... set frame rate (default "30")
samplerate <int> ..F.A...... set sample rate (from 8000 to 384000) (default 44100)
sr <int> ..F.A...... set sample rate (from 8000 to 384000) (default 44100)
amplitude <float> ..F.A....T. set beep amplitude (from 0 to 1) (default 0.7)
a <float> ..F.A....T. set beep amplitude (from 0 to 1) (default 0.7)
period <int> ..F.A...... set beep period (from 1 to 99) (default 3)
p <int> ..F.A...... set beep period (from 1 to 99) (default 3)
delay <int> ..FV.....T. set flash delay (from -30 to 30) (default 0)
dl <int> ..FV.....T. set flash delay (from -30 to 30) (default 0)
cycle <boolean> ..FV.....T. set delay cycle (default false)
c <boolean> ..FV.....T. set delay cycle (default false)
duration <duration> ..FVA...... set duration (default 0)
d <duration> ..FVA...... set duration (default 0)
fg <color> ..FV....... set foreground color (default "white")
bg <color> ..FV....... set background color (default "black")
ag <color> ..FV....... set additional color (default "gray")

(a)movie AVOptions:
filename <string> ..FVA......
format_name <string> ..FVA...... set format name
f <string> ..FVA...... set format name
stream_index <int> ..FVA...... set stream index (from -1 to INT_MAX) (default -1)
si <int> ..FVA...... set stream index (from -1 to INT_MAX) (default -1)
seek_point <double> ..FVA...... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0)
sp <double> ..FVA...... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0)
streams <string> ..FVA...... set streams
s <string> ..FVA...... set streams
loop <int> ..FVA...... set loop count (from 0 to INT_MAX) (default 1)
discontinuity <duration> ..FVA...... set discontinuity threshold (default 0)
dec_threads <int> ..FVA...... set the number of threads for decoding (from 0 to INT_MAX) (default 0)
format_opts <dictionary> ..FVA...... set format options for the opened file

abuffer AVOptions:
time_base <rational> ..F.A...... (from 0 to INT_MAX) (default 0/1)
sample_rate <int> ..F.A...... (from 0 to INT_MAX) (default 0)
sample_fmt <sample_fmt> ..F.A...... (default none)
channel_layout <string> ..F.A......
channels <int> ..F.A...... (from 0 to INT_MAX) (default 0)

buffer AVOptions:
width <int> ..FV....... (from 0 to INT_MAX) (default 0)
video_size <image_size> ..FV.......
height <int> ..FV....... (from 0 to INT_MAX) (default 0)
pix_fmt <pix_fmt> ..FV....... (default none)
sar <rational> ..FV....... sample aspect ratio (from 0 to DBL_MAX) (default 0/1)
pixel_aspect <rational> ..FV....... sample aspect ratio (from 0 to DBL_MAX) (default 0/1)
time_base <rational> ..FV....... (from 0 to DBL_MAX) (default 0/1)
frame_rate <rational> ..FV....... (from 0 to DBL_MAX) (default 0/1)

abuffersink AVOptions:
sample_fmts <binary> ..F.A...... set the supported sample formats
sample_rates <binary> ..F.A...... set the supported sample rates
channel_layouts <binary> ..F.A.....P set the supported channel layouts (deprecated, use ch_layouts)
channel_counts <binary> ..F.A.....P set the supported channel counts (deprecated, use ch_layouts)
ch_layouts <string> ..F.A...... set a '|'-separated list of supported channel layouts
all_channel_counts <boolean> ..F.A...... accept all channel counts (default false)

buffersink AVOptions:
pix_fmts <binary> ..FV....... set the supported pixel formats

av1_metadata_bsf AVOptions:
-td <int> ...V....B.. Temporal Delimiter OBU (from 0 to 2) (default pass)
pass 0 ...V....B..
insert 1 ...V....B..
remove 2 ...V....B..
-color_primaries <int> ...V....B.. Set color primaries (section 6.4.2) (from -1 to 255) (default -1)
-transfer_characteristics <int> ...V....B.. Set transfer characteristics (section 6.4.2) (from -1 to 255) (default -1)
-matrix_coefficients <int> ...V....B.. Set matrix coefficients (section 6.4.2) (from -1 to 255) (default -1)
-color_range <int> ...V....B.. Set color range flag (section 6.4.2) (from -1 to 1) (default -1)
tv 0 ...V....B.. TV (limited) range
pc 1 ...V....B.. PC (full) range
-chroma_sample_position <int> ...V....B.. Set chroma sample position (section 6.4.2) (from -1 to 3) (default -1)
unknown 0 ...V....B.. Unknown chroma sample position
vertical 1 ...V....B.. Left chroma sample position
colocated 2 ...V....B.. Top-left chroma sample position
-tick_rate <rational> ...V....B.. Set display tick rate (time_scale / num_units_in_display_tick) (from 0 to UINT32_MAX) (default 0/1)
-num_ticks_per_picture <int> ...V....B.. Set display ticks per picture for CFR streams (from -1 to INT_MAX) (default -1)
-delete_padding <boolean> ...V....B.. Delete all Padding OBUs (default false)

dump_extradata bsf AVOptions:
-freq <int> ...V....B.. When to dump extradata (from 0 to 1) (default k)
k 0 ...V....B..
keyframe 0 ...V....B..
e 1 ...V....B..
all 1 ...V....B..

dv_error_marker AVOptions:
-color <color> ...V....B.. set color (default "yellow")
-sta <flags> ...V....B.. specify which error status value to match (default Aa+Ba+Ca+erri+erru+err+Ab+Bb+Cb+A+B+C+a+b+res+notok+notres)
ok ...V....B.. No error, no concealment
Aa ...V....B.. No error, concealment from previous frame type a
Ba ...V....B.. No error, concealment from next frame type a
Ca ...V....B.. No error, unspecified concealment type a
erri ...V....B.. Error with inserted code, No concealment
erru ...V....B.. Error with unidentified pos, No concealment
err ...V....B.. Error, No concealment
Ab ...V....B.. No error, concealment from previous frame type b
Bb ...V....B.. No error, concealment from next frame type b
Cb ...V....B.. No error, unspecified concealment type b
A ...V....B.. No error, concealment from previous frame
B ...V....B.. No error, concealment from next frame
C ...V....B.. No error, unspecified concealment
a ...V....B.. No error, concealment type a
b ...V....B.. No error, concealment type b
res ...V....B.. Reserved
notok ...V....B.. Error or concealment
notres ...V....B.. Not reserved

extract_extradata AVOptions:
-remove <int> ...V....B.. remove the extradata from the bitstream (from 0 to 1) (default 0)

filter_units AVOptions:
-pass_types <string> ...V....B.. List of unit types to pass through the filter.
-remove_types <string> ...V....B.. List of unit types to remove in the filter.
-discard <int> ...V....B.. Remove the selected frames (from INT_MIN to INT_MAX) (default none)
none -16 ...V....B.. discard none
default 0 ...V....B.. discard none, but can be changed after dynamically
nonref 8 ...V....B.. discard all non-reference frames
bidir 16 ...V....B.. discard all bidirectional frames
nonintra 24 ...V....B.. discard all frames except I frames
nonkey 32 ...V....B.. discard all frames except keyframes
all 48 ...V....B.. discard all frames
-discard_flags <flags> ...V....B.. flags to control the discard frame behavior (default 0)
keep_non_vcl ...V....B.. non-vcl units even if the picture has been dropped

h264_metadata_bsf AVOptions:
-aud <int> ...V....B.. Access Unit Delimiter NAL units (from 0 to 2) (default pass)
pass 0 ...V....B..
insert 1 ...V....B..
remove 2 ...V....B..
-sample_aspect_ratio <rational> ...V....B.. Set sample aspect ratio (table E-1) (from 0 to 65535) (default 0/1)
-overscan_appropriate_flag <int> ...V....B.. Set VUI overscan appropriate flag (from -1 to 1) (default -1)
-video_format <int> ...V....B.. Set video format (table E-2) (from -1 to 7) (default -1)
-video_full_range_flag <int> ...V....B.. Set video full range flag (from -1 to 1) (default -1)
-colour_primaries <int> ...V....B.. Set colour primaries (table E-3) (from -1 to 255) (default -1)
-transfer_characteristics <int> ...V....B.. Set transfer characteristics (table E-4) (from -1 to 255) (default -1)
-matrix_coefficients <int> ...V....B.. Set matrix coefficients (table E-5) (from -1 to 255) (default -1)
-chroma_sample_loc_type <int> ...V....B.. Set chroma sample location type (figure E-1) (from -1 to 5) (default -1)
-tick_rate <rational> ...V....B.. Set VUI tick rate (time_scale / num_units_in_tick) (from 0 to UINT32_MAX) (default 0/1)
-fixed_frame_rate_flag <int> ...V....B.. Set VUI fixed frame rate flag (from -1 to 1) (default -1)
-zero_new_constraint_set_flags <boolean> ...V....B.. Set constraint_set4_flag / constraint_set5_flag to zero (default false)
-crop_left <int> ...V....B.. Set left border crop offset (from -1 to 16880) (default -1)
-crop_right <int> ...V....B.. Set right border crop offset (from -1 to 16880) (default -1)
-crop_top <int> ...V....B.. Set top border crop offset (from -1 to 16880) (default -1)
-crop_bottom <int> ...V....B.. Set bottom border crop offset (from -1 to 16880) (default -1)
-sei_user_data <string> ...V....B.. Insert SEI user data (UUID+string)
-delete_filler <int> ...V....B.. Delete all filler (both NAL and SEI) (from 0 to 1) (default 0)
-display_orientation <int> ...V....B.. Display orientation SEI (from 0 to 3) (default pass)
pass 0 ...V....B..
insert 1 ...V....B..
remove 2 ...V....B..
extract 3 ...V....B..
-rotate <double> ...V....B.. Set rotation in display orientation SEI (anticlockwise angle in degrees) (from -360 to 360) (default nan)
-flip <flags> ...V....B.. Set flip in display orientation SEI (default 0)
horizontal ...V....B.. Set hor_flip
vertical ...V....B.. Set ver_flip
-level <int> ...V....B.. Set level (table A-1) (from -2 to 255) (default -2)
auto -1 ...V....B.. Attempt to guess level from stream properties
1 10 ...V....B..
1b 9 ...V....B..
1.1 11 ...V....B..
1.2 12 ...V....B..
1.3 13 ...V....B..
2 20 ...V....B..
2.1 21 ...V....B..
2.2 22 ...V....B..
3 30 ...V....B..
3.1 31 ...V....B..
3.2 32 ...V....B..
4 40 ...V....B..
4.1 41 ...V....B..
4.2 42 ...V....B..
5 50 ...V....B..
5.1 51 ...V....B..
5.2 52 ...V....B..
6 60 ...V....B..
6.1 61 ...V....B..
6.2 62 ...V....B..

hapqa_extract_bsf AVOptions:
-texture <int> ...V....B.. texture to keep (from 0 to 1) (default color)
color 0 ...V....B.. keep HapQ texture
alpha 1 ...V....B.. keep HapAlphaOnly texture

h265_metadata_bsf AVOptions:
-aud <int> ...V....B.. Access Unit Delimiter NAL units (from 0 to 2) (default pass)
pass 0 ...V....B..
insert 1 ...V....B..
remove 2 ...V....B..
-sample_aspect_ratio <rational> ...V....B.. Set sample aspect ratio (table E-1) (from 0 to 65535) (default 0/1)
-video_format <int> ...V....B.. Set video format (table E-2) (from -1 to 7) (default -1)
-video_full_range_flag <int> ...V....B.. Set video full range flag (from -1 to 1) (default -1)
-colour_primaries <int> ...V....B.. Set colour primaries (table E-3) (from -1 to 255) (default -1)
-transfer_characteristics <int> ...V....B.. Set transfer characteristics (table E-4) (from -1 to 255) (default -1)
-matrix_coefficients <int> ...V....B.. Set matrix coefficients (table E-5) (from -1 to 255) (default -1)
-chroma_sample_loc_type <int> ...V....B.. Set chroma sample location type (figure E-1) (from -1 to 5) (default -1)
-tick_rate <rational> ...V....B.. Set VPS and VUI tick rate (time_scale / num_units_in_tick) (from 0 to UINT32_MAX) (default 0/1)
-num_ticks_poc_diff_one <int> ...V....B.. Set VPS and VUI number of ticks per POC increment (from -1 to INT_MAX) (default -1)
-crop_left <int> ...V....B.. Set left border crop offset (from -1 to 16888) (default -1)
-crop_right <int> ...V....B.. Set right border crop offset (from -1 to 16888) (default -1)
-crop_top <int> ...V....B.. Set top border crop offset (from -1 to 16888) (default -1)
-crop_bottom <int> ...V....B.. Set bottom border crop offset (from -1 to 16888) (default -1)
-level <int> ...V....B.. Set level (tables A.6 and A.7) (from -2 to 255) (default -2)
auto -1 ...V....B.. Attempt to guess level from stream properties
1 30 ...V....B..
2 60 ...V....B..
2.1 63 ...V....B..
3 90 ...V....B..
3.1 93 ...V....B..
4 120 ...V....B..
4.1 123 ...V....B..
5 150 ...V....B..
5.1 153 ...V....B..
5.2 156 ...V....B..
6 180 ...V....B..
6.1 183 ...V....B..
6.2 186 ...V....B..
8.5 255 ...V....B..

mpeg2_metadata_bsf AVOptions:
-display_aspect_ratio <rational> ...V....B.. Set display aspect ratio (table 6-3) (from 0 to 65535) (default 0/1)
-frame_rate <rational> ...V....B.. Set frame rate (from 0 to UINT32_MAX) (default 0/1)
-video_format <int> ...V....B.. Set video format (table 6-6) (from -1 to 7) (default -1)
-colour_primaries <int> ...V....B.. Set colour primaries (table 6-7) (from -1 to 255) (default -1)
-transfer_characteristics <int> ...V....B.. Set transfer characteristics (table 6-8) (from -1 to 255) (default -1)
-matrix_coefficients <int> ...V....B.. Set matrix coefficients (table 6-9) (from -1 to 255) (default -1)

noise AVOptions:
-amount <string> ...VA...B..
-drop <string> ...VA...B..
-dropamount <int> ...VA...B.. (from 0 to INT_MAX) (default 0)

opus_metadata_bsf AVOptions:
-gain <int> ....A...B.. Gain, actual amplification is pow(10, gain/(20.0*256)) (from -32768 to 32767) (default 0)

pcm_rechunk_bsf AVOptions:
-nb_out_samples <int> ....A...B.. set the number of per-packet output samples (from 1 to INT_MAX) (default 1024)
-n <int> ....A...B.. set the number of per-packet output samples (from 1 to INT_MAX) (default 1024)
-pad <boolean> ....A...B.. pad last packet with zeros (default true)
-p <boolean> ....A...B.. pad last packet with zeros (default true)
-frame_rate <rational> ....A...B.. set number of packets per second (from 0 to INT_MAX) (default 0/1)
-r <rational> ....A...B.. set number of packets per second (from 0 to INT_MAX) (default 0/1)

prores_metadata_bsf AVOptions:
-color_primaries <int> ...V....B.. select color primaries (from -1 to 12) (default auto)
auto -1 ...V....B.. keep the same color primaries
unknown 0 ...V....B..
bt709 1 ...V....B..
bt470bg 5 ...V....B..
smpte170m 6 ...V....B..
bt2020 9 ...V....B..
smpte431 11 ...V....B..
smpte432 12 ...V....B..
-color_trc <int> ...V....B.. select color transfer (from -1 to 18) (default auto)
auto -1 ...V....B.. keep the same color transfer
unknown 0 ...V....B..
bt709 1 ...V....B..
smpte2084 16 ...V....B..
arib-std-b67 18 ...V....B..
-colorspace <int> ...V....B.. select colorspace (from -1 to 9) (default auto)
auto -1 ...V....B.. keep the same colorspace
unknown 0 ...V....B..
bt709 1 ...V....B..
smpte170m 6 ...V....B..
bt2020nc 9 ...V....B..

remove_extradata AVOptions:
-freq <int> ...V....B.. (from 0 to 2) (default keyframe)
k 2 ...V....B..
keyframe 0 ...V....B..
e 1 ...V....B..
all 1 ...V....B..

setts_bsf AVOptions:
-ts <string> ...VAS..B.. set expression for packet PTS and DTS (default "TS")
-pts <string> ...VAS..B.. set expression for packet PTS
-dts <string> ...VAS..B.. set expression for packet DTS
-duration <string> ...VAS..B.. set expression for packet duration (default "DURATION")
-time_base <rational> ...VAS..B.. set output timebase (from 0 to INT_MAX) (default 0/1)

vp9_metadata_bsf AVOptions:
-color_space <int> ...V....B.. Set colour space (section 7.2.2) (from -1 to 7) (default -1)
unknown 0 ...V....B.. Unknown/unspecified
bt601 1 ...V....B.. ITU-R BT.601-7
bt709 2 ...V....B.. ITU-R BT.709-6
smpte170 3 ...V....B.. SMPTE-170
smpte240 4 ...V....B.. SMPTE-240
bt2020 5 ...V....B.. ITU-R BT.2020-2
rgb 7 ...V....B.. sRGB / IEC 61966-2-1
-color_range <int> ...V....B.. Set colour range (section 7.2.2) (from -1 to 1) (default -1)
tv 0 ...V....B.. TV (limited) range
pc 1 ...V....B.. PC (full) range

h266_metadata_bsf AVOptions:
-aud <int> ...V....B.. Access Unit Delimiter NAL units (from 0 to 2) (default pass)
pass 0 ...V....B..
insert 1 ...V....B..
remove 2 ...V....B..

ShanaEncoder Parameters

단축키

단축키

ShanaEncoder Formats

ShanaEncoder Codecs

ShanaEncoder Filters