ShanaEncoder Parameters

Advanced global options:
-cpuflags flags     force specific cpu flags
-hide_banner hide_banner  do not show program banner
-copy_unknown       Copy unknown stream types
-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              video sync method
-frame_drop_threshold   frame drop threshold
-async              audio sync method
-adrift_threshold threshold  audio drift threshold
-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
-intra              deprecated use -g 1
-sameq              Removed
-same_quant         Removed
-deinterlace        this option is deprecated, use the yadif filter instead
-psnr               calculate PSNR of compressed frames
-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             show QP histogram
-vc channel         deprecated, use -channel
-tvstd standard     deprecated, use -standard
-isync              this option is deprecated and 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
-timestamp time     set the recording timestamp ('now' to set the current time)
-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

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
-map_chapters input_file_index  set chapters mapping
-accurate_seek      enable/disable accurate seeking with -ss
-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
-shortest           finish encoding within shortest input
-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
-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)
-bits_per_raw_sample number  set the number of bits per raw sample
-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
-ab bitrate         audio bitrate (please use -b:a)
-b bitrate          video bitrate (please use -b:v)
-dn                 disable data

Advanced Video options:
-pix_fmt format     set pixel format
-intra              deprecated use -g 1
-rc_override override  rate control override for specific intervals
-sameq              Removed
-same_quant         Removed
-passlogfile prefix  select two pass log file name prefix
-deinterlace        this option is deprecated, use the yadif filter instead
-psnr               calculate PSNR of compressed frames
-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             show QP histogram
-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
-vc channel         deprecated, use -channel
-tvstd standard     deprecated, use -standard
-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)
-vol volume         change audio volume (256=normal)
-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
-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..V....... 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 1 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
     truncated                    .D.V....... Input bitstream might be randomly truncated
     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...... 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
  -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)
  -b_strategy        <int>        E..V....... strategy to choose between I/P/B-frames (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)
  -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
  -mpeg_quant        <int>        E..V....... use MPEG quantizers instead of H.263 (from INT_MIN to INT_MAX) (default 0)
  -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
  -pred              <int>        E..V....... prediction method (from INT_MIN to INT_MAX) (default left)
     left            0            E..V.......
     plane           1            E..V.......
     median          2            E..V.......
  -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)
  -preme             <int>        E..V....... pre motion estimation (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)
  -coder             <int>        E..V....... (from INT_MIN to INT_MAX) (default vlc)
     vlc             0            E..V....... variable length coder / Huffman coder
     ac              1            E..V....... arithmetic coder
     raw             2            E..V....... raw (no encoding)
     rle             3            E..V....... run-length coder
  -context           <int>        E..V....... context model (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
  -sc_threshold      <int>        E..V....... scene change threshold (from INT_MIN to INT_MAX) (default 0)
  -nr                <int>        E..V....... noise reduction (from INT_MIN to INT_MAX) (default 0)
  -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)
  -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)
  -skipcmp           <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 (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
  -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)
  -mepc              <int>        E..V....... motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
  -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
     nokey           32           .D.V....... discard all frames except keyframes
     nointra         24           .D.V....... discard all frames except I frames
     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
     nokey           32           .D.V....... discard all frames except keyframes
     nointra         24           .D.V....... discard all frames except I frames
     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
     nokey           32           .D.V....... discard all frames except keyframes
     nointra         24           .D.V....... discard all frames except I frames
     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)
  -brd_scale         <int>        E..V....... downscale frames for dynamic B-frame decision (from 0 to 10) (default 0)
  -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)
  -chromaoffset      <int>        E..V....... chroma QP offset from luma (from INT_MIN to INT_MAX) (default 0)
  -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)
  -b_sensitivity     <int>        E..V....... adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
  -compression_level <int>        E..VA...... (from INT_MIN to INT_MAX) (default -1)
  -min_prediction_order <int>        E...A...... (from INT_MIN to INT_MAX) (default -1)
  -max_prediction_order <int>        E...A...... (from INT_MIN to INT_MAX) (default -1)
  -timecode_frame_start <int64>      E..V....... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
  -channel_layout    <uint64>     ED..A...... (from 0 to 1.84467e+019) (default 0)
  -request_channel_layout <uint64>     .D..A...... (from 0 to 1.84467e+019) (default 0)
  -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.....
  -sub_text_format   <int>        .D...S..... set decoded text subtitle format (from 0 to 1) (default ass_with_timings)
     ass             0            .D...S.....
     ass_with_timings 1            .D...S.....
  -refcounted_frames <boolean>    .D.VA...... (default false)
  -side_data_only_packets <boolean>    E..VA...... (default true)
  -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
  -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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing
  -pred              <int>        E..V....... Prediction method (from 1 to 3) (default left)
     left            1            E..V.......
     plane           2            E..V.......
     median          3            E..V.......
  -huffman           <int>        E..V....... Huffman table strategy (from 0 to 1) (default optimal)
     default         0            E..V.......
     optimal         1            E..V.......

APNG 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 true)
  -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)

flv 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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)

h261 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

huffyuv AVOptions:
  -non_deterministic <boolean>    E..V....... Allow multithreading for e.g. context=1 at the expense of determinism (default true)
  -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           0            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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing
  -pred              <int>        E..V....... Prediction method (from 1 to 3) (default left)
     left            1            E..V.......
     plane           2            E..V.......
     median          3            E..V.......
  -huffman           <int>        E..V....... Huffman table strategy (from 0 to 1) (default optimal)
     default         0            E..V.......
     optimal         1            E..V.......

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)
  -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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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)
  -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)
  -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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

MPEG4 encoder AVOptions:
  -data_partitioning <boolean>    E..V....... Use data partitioning. (default false)
  -alternate_scan    <boolean>    E..V....... Enable alternate scantable. (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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

msmpeg4v2 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

msmpeg4v3 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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.......

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

ProResAw 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)

rv10 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

rv20 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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.

speedhq 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

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.......

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

wmv1 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

wmv2 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)
  -ibias             <int>        E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
  -pbias             <int>        E..V....... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
  -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.......
  -force_duplicated_matrix <boolean>    E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
  -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)
  -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)
  -mpeg_quant        <int>        E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
  -ps                <int>        E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
  -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)
  -a53cc             <boolean>    E..V....... Use A53 Closed Captions (if available) (default true)
  -rc_strategy       <int>        E..V......P ratecontrol method (from 0 to 1) (default ffmpeg)
     ffmpeg          0            E..V......P deprecated, does nothing
     xvid            0            E..V......P deprecated, does nothing

AAC encoder AVOptions:
  -aac_coder         <int>        E...A...... Coding algorithm (from 0 to 2) (default fast)
     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

Fixed-Point 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)

g726le 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)

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

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

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

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

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

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

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

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
  -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.......
  -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)

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......

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)
  -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 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 (from -1 to 200) (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)
  -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
  -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)

h264_amf AVOptions:
  -usage             <int>        E..V....... Encoder Usage (from 0 to 3) (default transcoding)
     transcoding     0            E..V....... Generic Transcoding
     ultralowlatency 1            E..V....... 
     lowlatency      2            E..V....... 
     webcam          3            E..V....... Webcam
  -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 3) (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
  -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)
  -preanalysis       <boolean>    E..V....... Pre-Analysis Mode (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)
  -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
  -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)

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       8388612      E..V....... Variable bitrate mode with MinQP (deprecated)
     ll_2pass_quality 8388616      E..V....... Multi-pass optimized for image quality (deprecated)
     ll_2pass_size   8388624      E..V....... Multi-pass optimized for constant frame size (deprecated)
     vbr_2pass       8388640      E..V....... Multi-pass variable bitrate mode (deprecated)
     cbr_ld_hq       8388616      E..V....... Constant bitrate low delay high quality mode
     cbr_hq          8388624      E..V....... Constant bitrate high quality mode
     vbr_hq          8388640      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)
  -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 0 to 2) (default disabled)
     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)

h264_qsv encoder AVOptions:
  -async_depth       <int>        E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
  -avbr_accuracy     <int>        E..V....... Accuracy of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -avbr_convergence  <int>        E..V....... Convergence of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -preset            <int>        E..V....... (from 1 to 7) (default medium)
     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.......
  -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 65535) (default -1)
  -max_slice_size    <int>        E..V....... Maximum encoded slice size in bytes (from -1 to 65535) (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)
  -b_strategy        <int>        E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
  -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 false)
  -cavlc             <int>        E..V....... Enable CAVLC (from 0 to 1) (default 0)
  -vcm               <int>        E..V....... Use the video conferencing mode ratecontrol (from 0 to 1) (default 0)
  -idr_interval      <int>        E..V....... Distance (in I-frames) between IDR frames (from 0 to INT_MAX) (default 0)
  -pic_timing_sei    <int>        E..V....... Insert picture timing SEI with pic_struct_syntax element (from 0 to 1) (default 1)
  -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        <int>        E..V....... Use VBR algorithm with look ahead (from 0 to 1) (default 0)
  -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 (from -1 to 65535) (default -1)
     none            0            E..V.......
     vertical        1            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)
  -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             <int>        E..V....... Use A53 Closed Captions (if available) (from 0 to 1) (default 0)
  -aud               <int>        E..V....... Insert the Access Unit Delimiter NAL (from 0 to 1) (default 0)
  -repeat_pps        <boolean>    E..V....... repeat pps for every frame (default false)

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       8388612      E..V....... Variable bitrate mode with MinQP (deprecated)
     ll_2pass_quality 8388616      E..V....... Multi-pass optimized for image quality (deprecated)
     ll_2pass_size   8388624      E..V....... Multi-pass optimized for constant frame size (deprecated)
     vbr_2pass       8388640      E..V....... Multi-pass variable bitrate mode (deprecated)
     cbr_ld_hq       8388616      E..V....... Constant bitrate low delay high quality mode
     cbr_hq          8388624      E..V....... Constant bitrate high quality mode
     vbr_hq          8388640      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)
  -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 0 to 2) (default disabled)
     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)

nvenc_h264 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       8388612      E..V....... Variable bitrate mode with MinQP (deprecated)
     ll_2pass_quality 8388616      E..V....... Multi-pass optimized for image quality (deprecated)
     ll_2pass_size   8388624      E..V....... Multi-pass optimized for constant frame size (deprecated)
     vbr_2pass       8388640      E..V....... Multi-pass variable bitrate mode (deprecated)
     cbr_ld_hq       8388616      E..V....... Constant bitrate low delay high quality mode
     cbr_hq          8388624      E..V....... Constant bitrate high quality mode
     vbr_hq          8388640      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)
  -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 0 to 2) (default disabled)
     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)

nvenc_hevc 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       8388612      E..V....... Variable bitrate mode with MinQP (deprecated)
     ll_2pass_quality 8388616      E..V....... Multi-pass optimized for image quality (deprecated)
     ll_2pass_size   8388624      E..V....... Multi-pass optimized for constant frame size (deprecated)
     vbr_2pass       8388640      E..V....... Multi-pass variable bitrate mode (deprecated)
     cbr_ld_hq       8388616      E..V....... Constant bitrate low delay high quality mode
     cbr_hq          8388624      E..V....... Constant bitrate high quality mode
     vbr_hq          8388640      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)
  -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 0 to 2) (default disabled)
     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)

hevc_amf AVOptions:
  -usage             <int>        E..V....... Set the encoding usage (from 0 to 3) (default transcoding)
     transcoding     0            E..V....... 
     ultralowlatency 1            E..V....... 
     lowlatency      2            E..V....... 
     webcam          3            E..V....... 
  -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 3) (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
  -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....... 
  -gops_per_idr      <int>        E..V....... GOPs per IDR 0-no IDR will be inserted (from 0 to INT_MAX) (default 1)
  -preanalysis       <boolean>    E..V....... Enable preanalysis (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)

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       8388612      E..V....... Variable bitrate mode with MinQP (deprecated)
     ll_2pass_quality 8388616      E..V....... Multi-pass optimized for image quality (deprecated)
     ll_2pass_size   8388624      E..V....... Multi-pass optimized for constant frame size (deprecated)
     vbr_2pass       8388640      E..V....... Multi-pass variable bitrate mode (deprecated)
     cbr_ld_hq       8388616      E..V....... Constant bitrate low delay high quality mode
     cbr_hq          8388624      E..V....... Constant bitrate high quality mode
     vbr_hq          8388640      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)
  -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 0 to 2) (default disabled)
     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)

hevc_qsv encoder AVOptions:
  -async_depth       <int>        E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
  -avbr_accuracy     <int>        E..V....... Accuracy of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -avbr_convergence  <int>        E..V....... Convergence of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -preset            <int>        E..V....... (from 1 to 7) (default medium)
     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.......
  -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 65535) (default -1)
  -max_slice_size    <int>        E..V....... Maximum encoded slice size in bytes (from -1 to 65535) (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)
  -b_strategy        <int>        E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
  -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 false)
  -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 "")
  -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.......
  -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)

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)
  -avbr_accuracy     <int>        E..V....... Accuracy of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -avbr_convergence  <int>        E..V....... Convergence of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -preset            <int>        E..V....... (from 1 to 7) (default medium)
     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.......
  -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 65535) (default -1)
  -max_slice_size    <int>        E..V....... Maximum encoded slice size in bytes (from -1 to 65535) (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)
  -b_strategy        <int>        E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
  -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 false)
  -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)
  -avbr_accuracy     <int>        E..V....... Accuracy of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -avbr_convergence  <int>        E..V....... Convergence of the AVBR ratecontrol (from 0 to INT_MAX) (default 0)
  -preset            <int>        E..V....... (from 1 to 7) (default medium)
     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.......
  -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 65535) (default -1)
  -max_slice_size    <int>        E..V....... Maximum encoded slice size in bytes (from -1 to 65535) (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)
  -b_strategy        <int>        E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
  -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 false)
  -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.......

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:
  -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 INT_MIN 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

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)

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)

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)

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)

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)

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

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)
  -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 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)

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

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

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

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

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

libdav1d decoder AVOptions:
  -tilethreads       <int>        .D.V....... Tile threads (from 0 to 64) (default 0)
  -framethreads      <int>        .D.V....... Frame threads (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)

libopenjpeg AVOptions:
  -lowqual           <int>        .D.V....... Limit the number of layers used for decoding (from 0 to INT_MAX) (default 0)

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
     keepside                     .D......... deprecated, does nothing
     fastseek                     .D......... fast but inaccurate seeks
     latm                         E.......... deprecated, does nothing
     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

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/58.74.100")
  -referer           <string>     .D......... override referer header
  -user-agent        <string>     .D........P use the "user_agent" option instead (default "Lavf/58.74.100")
  -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)

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/58.74.100")
  -referer           <string>     .D......... override referer header
  -user-agent        <string>     .D........P use the "user_agent" option instead (default "Lavf/58.74.100")
  -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)

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)

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 (in milliseconds, multicast only) (from -1 to INT_MAX) (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

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)
  -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

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 INT_MAX) (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 INT_MAX) (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)

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.......... Use MPE2 ID when writing (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 UINT32_MAX) (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)

ASF 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)

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)
  -min_seg_duration  <int>        E.......... minimum segment duration (in microseconds) (will be deprecated) (from 0 to INT_MAX) (default 5000000)
  -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)

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 INT_MAX) (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_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)

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)

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_ts_options    <dictionary> E.......... set hls mpegts list of options for the container format used for hls
  -hls_vtt_options   <string>     E.......... set hls vtt list of options for the container format used for hls
  -hls_wrap          <int>        E.......... set number after which the index wraps (will be deprecated) (from 0 to INT_MAX) (default 0)
  -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_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
  -use_localtime     <boolean>    E.......... set filename expansion with strftime at segment creation(will be deprecated) (default false)
  -strftime          <boolean>    E.......... set filename expansion with strftime at segment creation (default false)
  -use_localtime_mkdir <boolean>    E.......... create last directory component in strftime-generated filename(will be deprecated) (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

ipod 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 INT_MAX) (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_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)

ismv 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 INT_MAX) (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_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)

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 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)
  -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 infer)
     infer           0            E.......... For each track type, mark the first 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 the first 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

matroska audio 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)
  -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 infer)
     infer           0            E.......... For each track type, mark the first 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 the first 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

mov 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 INT_MAX) (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_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)

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)

mp4 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 INT_MAX) (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_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)

mpeg 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)

vcd 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)

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)

svcd 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)

vob 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
  -mpegts_copyts     <boolean>    E.......... don't offset dts/pts (default auto)
  -tables_version    <int>        E.......... set PAT, PMT and SDT 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)

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 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)

Ogg 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)

Ogg video 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)

Ogg 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)

psp 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 INT_MAX) (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_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)

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)

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           <int>        .D........P set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (deprecated, use listen_timeout) (from INT_MIN to INT_MAX) (default -1)
  -stimeout          <int>        .D......... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_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 -1)
  -user_agent        <string>     .D......... override User-Agent header (default "ShanaEncoder")
  -user-agent        <string>     .D........P override User-Agent header (deprecated, use user_agent) (default "ShanaEncoder")

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)
  -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)

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)
  -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)

Ogg Speex 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)

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

tg2 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 INT_MAX) (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_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)

tgp 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 INT_MAX) (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_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)

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 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)
  -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 infer)
     infer           0            E.......... For each track type, mark the first 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 the first 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

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

ac3 demuxer AVOptions:
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

acm 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")

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

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

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

avs2 demuxer AVOptions:
  -framerate         <video_rate> .D.........  (default "25")
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

avs3 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")

cavsvideo 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")

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

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

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

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

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

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

eac3 demuxer AVOptions:
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

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

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

flvdec 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)

live_flvdec 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)

g722 demuxer AVOptions:
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

G.726 big-endian 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)

G.726 little-endian 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)

h261 demuxer AVOptions:
  -framerate         <video_rate> .D.........  (default "25")
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

h263 demuxer AVOptions:
  -framerate         <video_rate> .D.........  (default "25")
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

h264 demuxer AVOptions:
  -framerate         <video_rate> .D.........  (default "25")
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

hevc 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)
  -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)

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)

image2pipe 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)

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

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

kuxdec 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)

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

m4v 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)

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

mjpeg_2000 demuxer AVOptions:
  -framerate         <video_rate> .D.........  (default "25")
  -raw_packet_size   <int>        .D.........  (from 1 to INT_MAX) (default 1024)

mlp 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
  -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)

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)

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)

mpegvideo 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 low overhead OBU demuxer AVOptions:
  -framerate         <video_rate> .D.........  (default "25")

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

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

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

f64be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

f64le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

f32be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

f32le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s32be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s32le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s24be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s24le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s16be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s16le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

s8 demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u32be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u32le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u24be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u24le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u16be demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u16le demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

u8 demuxer AVOptions:
  -sample_rate       <int>        .D.........  (from 0 to INT_MAX) (default 44100)
  -channels          <int>        .D.........  (from 0 to INT_MAX) (default 1)

rawvideo demuxer AVOptions:
  -video_size        <image_size> .D......... set frame size
  -pixel_format      <string>     .D......... set pixel format (default "yuv420p")
  -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    <int>        .D......... set maximum timeout (in seconds) to wait for incoming connections (from INT_MIN to INT_MAX) (default 10)
  -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 -1)

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           <int>        .D........P set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (deprecated, use listen_timeout) (from INT_MIN to INT_MAX) (default -1)
  -stimeout          <int>        .D......... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_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 -1)
  -user_agent        <string>     .D......... override User-Agent header (default "ShanaEncoder")
  -user-agent        <string>     .D........P override User-Agent header (deprecated, use user_agent) (default "ShanaEncoder")

sbc 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    <int>        .D......... set maximum timeout (in seconds) to wait for incoming connections (from INT_MIN to INT_MAX) (default 10)
  -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 -1)

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

shorten 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.........  (from 0 to INT_MAX) (default 1)

tak 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)

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

v210x demuxer AVOptions:
  -video_size        <image_size> .D......... set frame size
  -framerate         <video_rate> .D......... set frame rate (default "25")

vc1 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

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

wsd 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")

bmp 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)

cri 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)

dds 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)

dpx 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)

exr 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)

gif 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)

j2k 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)

jpeg 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)

jpegls 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)

pam 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)

pbm 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)

pcx 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)

pgmyuv 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)

pgm 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)

pgx 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)

photocd 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)

pictor 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)

png 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)

ppm 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)

psd 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)

qdraw 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)

sgi 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)

svg 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)

sunrast 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)

tiff 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)

webp 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)

xbm 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)

xpm 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)

xwd 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)

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

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

SWResampler AVOptions:
  -ich               <int>        ....A...... set input channel count (from 0 to 64) (default 0)
  -in_channel_count  <int>        ....A...... set input channel count (from 0 to 64) (default 0)
  -och               <int>        ....A...... set output channel count (from 0 to 64) (default 0)
  -out_channel_count <int>        ....A...... set output channel count (from 0 to 64) (default 0)
  -uch               <int>        ....A...... set used channel count (from 0 to 64) (default 0)
  -used_channel_count <int>        ....A...... 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...... set input channel layout (default 0x0)
  -in_channel_layout <channel_layout> ....A...... set input channel layout (default 0x0)
  -ocl               <channel_layout> ....A...... set output channel layout (default 0x0)
  -out_channel_layout <channel_layout> ....A...... set output channel layout (default 0x0)
  -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 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)

acue 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")

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

adelay AVOptions:
  delays            <string>     ..F.A...... 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.

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

afftdn AVOptions:
  nr                <float>      ..F.A....T. set the noise reduction (from 0.01 to 97) (default 12)
  nf                <float>      ..F.A....T. set the noise floor (from -80 to -20) (default -50)
  nt                <int>        ..F.A...... set the noise type (from 0 to 3) (default w)
     w               0            ..F.A...... white noise
     v               1            ..F.A...... vinyl noise
     s               2            ..F.A...... shellac noise
     c               3            ..F.A...... custom noise
  bn                <string>     ..F.A...... set the custom bands noise
  rf                <float>      ..F.A....T. set the residual floor (from -80 to -20) (default -38)
  tn                <boolean>    ..F.A....T. track noise (default false)
  tr                <boolean>    ..F.A....T. track residual (default false)
  om                <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

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 19) (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
  overlap           <float>      ..F.A...... set window overlap (from 0 to 1) (default 0.75)

afir AVOptions:
  dry               <float>      ..F.A...... set dry gain (from 0 to 10) (default 1)
  wet               <float>      ..F.A...... 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 2) (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
  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 32768) (default 8192)
  maxp              <int>        ..F.A...... set max partition size (from 8 to 32768) (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)

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)

agate 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")

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

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 h)
     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 h)
     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 filter-width (from 0 to 99999) (default 707.1)
  w                 <double>     ..F.A....T. set filter-width (from 0 to 99999) (default 707.1)
  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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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 0 to I64_MAX) (default 0)

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:
  s                 <float>      ..F.A....T. set denoising strength (from 1e-005 to 10) (default 1e-005)
  p                 <duration>   ..F.A....T. set patch duration (default 0.002)
  r                 <duration>   ..F.A....T. set research duration (default 0.006)
  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
  m                 <float>      ..F.A....T. set smooth factor (from 1 to 15) (default 11)

anlms 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 3) (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

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)
  whole_dur         <duration>   ..F.A...... set minimum target duration in the audio stream (default 0)

aperms AVOptions:
  mode              <int>        ..FVA...... select permissions mode (from 0 to 4) (default none)
     none            0            ..FVA...... do nothing
     ro              1            ..FVA...... set all output frames read-only
     rw              2            ..FVA...... set all output frames writable
     toggle          3            ..FVA...... switch permissions
     random          4            ..FVA...... 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)

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)

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

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

SWResampler AVOptions:
  -ich               <int>        ....A...... set input channel count (from 0 to 64) (default 0)
  -in_channel_count  <int>        ....A...... set input channel count (from 0 to 64) (default 0)
  -och               <int>        ....A...... set output channel count (from 0 to 64) (default 0)
  -out_channel_count <int>        ....A...... set output channel count (from 0 to 64) (default 0)
  -uch               <int>        ....A...... set used channel count (from 0 to 64) (default 0)
  -used_channel_count <int>        ....A...... 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...... set input channel layout (default 0x0)
  -in_channel_layout <channel_layout> ....A...... set input channel layout (default 0x0)
  -ocl               <channel_layout> ....A...... set output channel layout (default 0x0)
  -out_channel_layout <channel_layout> ....A...... set output channel layout (default 0x0)
  -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)

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)

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)

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

asetpts AVOptions:
  expr              <string>     ..F.A...... 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...... 
     QP_TABLE_PROPERTIES 16           ..F.A...... 
     QP_TABLE_DATA   17           ..F.A...... 
     S12M_TIMECOD    18           ..F.A...... 
     DYNAMIC_HDR_PLUS 19           ..F.A...... 
     REGIONS_OF_INTEREST 20           ..F.A...... 
     SEI_UNREGISTERED 22           ..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...... set oversample factor (from 1 to 32) (default 1)

asplit 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 0.01 to 10) (default 0.05)
  metadata          <boolean>    ..F.A...... inject metadata in the filtergraph (default false)
  reset             <int>        ..F.A...... recalculate stats after this many frames (from 0 to INT_MAX) (default 0)
  measure_perchannel <flags>      ..F.A...... only measure_perchannel these per-channel statistics (default all+DC_offset+Min_level+Max_level+Min_difference+Max_difference+Mean_difference+RMS_difference+Peak_level+RMS_level+RMS_peak+RMS_trough+Crest_factor+Flat_factor+Peak_count+Bit_depth+Dynamic_range+Zero_crossings+Zero_crossings_rate+Noise_floor+Noise_floor_count+Number_of_samples+Number_of_NaNs+Number_of_Infs+Number_of_denormals)
     none                         ..F.A...... 
     all                          ..F.A...... 
     DC_offset                    ..F.A...... 
     Min_level                    ..F.A...... 
     Max_level                    ..F.A...... 
     Min_difference               ..F.A...... 
     Max_difference               ..F.A...... 
     Mean_difference              ..F.A...... 
     RMS_difference               ..F.A...... 
     Peak_level                   ..F.A...... 
     RMS_level                    ..F.A...... 
     RMS_peak                     ..F.A...... 
     RMS_trough                   ..F.A...... 
     Crest_factor                 ..F.A...... 
     Flat_factor                  ..F.A...... 
     Peak_count                   ..F.A...... 
     Bit_depth                    ..F.A...... 
     Dynamic_range                ..F.A...... 
     Zero_crossings               ..F.A...... 
     Zero_crossings_rate              ..F.A...... 
     Noise_floor                  ..F.A...... 
     Noise_floor_count              ..F.A...... 
     Number_of_samples              ..F.A...... 
     Number_of_NaNs               ..F.A...... 
     Number_of_Infs               ..F.A...... 
     Number_of_denormals              ..F.A...... 
  measure_overall   <flags>      ..F.A...... only measure_perchannel these overall statistics (default all+DC_offset+Min_level+Max_level+Min_difference+Max_difference+Mean_difference+RMS_difference+Peak_level+RMS_level+RMS_peak+RMS_trough+Crest_factor+Flat_factor+Peak_count+Bit_depth+Dynamic_range+Zero_crossings+Zero_crossings_rate+Noise_floor+Noise_floor_count+Number_of_samples+Number_of_NaNs+Number_of_Infs+Number_of_denormals)
     none                         ..F.A...... 
     all                          ..F.A...... 
     DC_offset                    ..F.A...... 
     Min_level                    ..F.A...... 
     Max_level                    ..F.A...... 
     Min_difference               ..F.A...... 
     Max_difference               ..F.A...... 
     Mean_difference              ..F.A...... 
     RMS_difference               ..F.A...... 
     Peak_level                   ..F.A...... 
     RMS_level                    ..F.A...... 
     RMS_peak                     ..F.A...... 
     RMS_trough                   ..F.A...... 
     Crest_factor                 ..F.A...... 
     Flat_factor                  ..F.A...... 
     Peak_count                   ..F.A...... 
     Bit_depth                    ..F.A...... 
     Dynamic_range                ..F.A...... 
     Zero_crossings               ..F.A...... 
     Zero_crossings_rate              ..F.A...... 
     Noise_floor                  ..F.A...... 
     Noise_floor_count              ..F.A...... 
     Number_of_samples              ..F.A...... 
     Number_of_NaNs               ..F.A...... 
     Number_of_Infs               ..F.A...... 
     Number_of_denormals              ..F.A...... 

astreamselect 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 0.7)
  wet               <double>     ..F.A....T. set wet gain (from 0 to 1) (default 0.7)
  decay             <double>     ..F.A....T. set decay (from 0 to 1) (default 0.7)
  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)

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 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)

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)

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 segment size (from 2 to 131072) (default 256)
  algo              <int>        ..F.A...... set alghorithm (from 0 to 1) (default slow)
     slow            0            ..F.A...... slow algorithm
     fast            1            ..F.A...... fast 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 band-width (from 0 to 99999) (default 0.5)
  w                 <double>     ..F.A....T. set band-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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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

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 band-width (from 0 to 99999) (default 0.5)
  w                 <double>     ..F.A....T. set band-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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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

bass 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 shelf transition steep (from 0 to 99999) (default 0.5)
  w                 <double>     ..F.A....T. set shelf transition steep (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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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

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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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

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...... set mm distance (from 0 to 10) (default 0)
  cm                <int>        ..F.A...... set cm distance (from 0 to 100) (default 0)
  m                 <int>        ..F.A...... set meter distance (from 0 to 100) (default 0)
  dry               <double>     ..F.A...... set dry amount (from 0 to 1) (default 0)
  wet               <double>     ..F.A...... set wet amount (from 0 to 1) (default 1)
  temp              <int>        ..F.A...... 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)

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

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)

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)
     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)

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 band-width (from 0 to 99999) (default 1)
  w                 <double>     ..F.A....T. set band-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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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

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          <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  c                 <channel_layout> ..F.A....T. set channels to filter (default 0xffffffffffffffff)
  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 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder form
  a                 <int>        ..F.A...... set transform type (from 0 to 3) (default di)
     di              0            ..F.A...... direct form I
     dii             1            ..F.A...... direct form II
     tdii            2            ..F.A...... transposed direct form II
     latt            3            ..F.A...... lattice-ladder 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)