Best settings for transcoding 4k HDR content

daclina

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Hi there,

Long time user here of ShanaEncoder (thank you so much to the devs for this awesome app!).

I'm looking for some advice on how best to encode and preserve 4k HDR connect correctly.

I have found these settngs to work with Handbrake to successfully passthrough the full metadata set and active HDR,(and get good results) I use:

---

MKV 265 4k HDR 10bit

put this in additional options under video "x265 10-bit, FPS Same+Constant, medium Preset, No Tune, Main10 Profile, Auto Level, Constant Quality 20RF

Extra OPTS: hdr:max-cll=4000,1000:master-display=G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,1):deblock=-2,-3:strong-intra-smoothing=0:sao=0"

---

However I do prefer using ShanaEncoder - anyone able to help with the correct way in transferring these options in Shana?

Thank you

Prev maxrate对rc=abr不起效果，仅在cbr、vbr有效？ maxrate对rc=abr不起效果，仅在cbr、vbr有效？ 2020.02.07by 小樱 import external audio Next import external audio 2020.02.20by bata

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Comments '2'

?
JKyle 2020.02.21 03:49

Please refer to this post (and the attached preset file) on the Preset board:

https://shana.pe.kr/shanaencoder_presets/49641

It's written in Korean, but I guess you can understand main important parts if you look into the FFmpeg parameter settings.

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?
daclina 2020.05.24 10:31

Thanks for this.

If anyone is interested, I found these settings to work well.

Filter Parametrs:
line 1: -vf "shanasubtitle=0"
line 2: "aresample=44100:resampler=soxr,volume=3.5,dynaudnorm=f=200:g=11:p=0.95:m=10.0:r=0.0:n=1:c=0:b=1:s=0.0"

Encoder Settings:
-f mkv
-c:v libx265 -libx265main10 -crf 20.0 -preset medium -tune:v none
-pix_fmt yuv420p10le
-c:a libmp3lame -ac 2 -b:a 128k
-color_range tv
-x265-params me=umh:qcomp=0.6:scenecut=40:bframes=3:min-keyint=15:keyint=150:colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc:master-display="G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,500):deblock=-2,-3:strong-intra-smoothing=0:sao=0"

It's a little slower than Handbrake, but it gets good results.

Thanks again.

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