Changes between Version 13 and Version 14 of Encode/AV1


Ignore:
Timestamp:
Dec 3, 2018, 6:52:51 PM (8 months ago)
Author:
Ewout
Comment:

Add color info passing for HDR

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  • Encode/AV1

    v13 v14  
    8787`-cpu-used` sets how efficient the compression will be. Default is 1. Lower values mean slower encoding with better quality, and vice-versa.
    8888
    89 = Chroma subsampling =
     89= Chroma subsampling / HDR =
    9090If you want to use different chroma subsampling formats such as 4:2:2 or 4:4:4 you can use `-vf format=`.
    9191
     
    9898ffmpeg -i input.mp4 -c:v libaom-av1 -strict experimental -vf "format=yuv444p,scale=iw/2:ih/2" output.mkv
    9999}}}
    100 Most used formats: 8-bit 4:0:0 `gray`, 8-bit 4:2:0 `yuv420p`, 8-bit 4:2:2 `yuv422p`, 8-bit 4:4:4 `yuv444p`, 10-bit 4:0:0 `gray10le`, 10-bit 4:2:0 `yuv420p10le`, 10-bit 4:2:2 `yuv422p10le`, 10-bit 4:4:4 `yuv444p10le`
     100Most used formats: 8-bit 4:0:0 `gray`, 8-bit 4:2:0 `yuv420p`, 8-bit 4:2:2 `yuv422p`, 8-bit 4:4:4 `yuv444p`, 10-bit 4:0:0 `gray10le`, 10-bit 4:2:0 `yuv420p10le`, 10-bit 4:2:2 `yuv422p10le`, 10-bit 4:4:4 `yuv444p10le`. View all the different subsampling formats with `ffmpeg -pix_fmts`
    101101
    102 View all the different subsampling formats with `ffmpeg -pix_fmts`
     102When encoding in HDR it's necessary to pass through color information; `-colorspace`, `-color_trc` and `-color_primaries`. For example, Youtube HDR uses
     103{{{
     104-colorspace bt2020nc -color_trc smpte2084 -color_primaries bt2020
     105}}}
    103106
    104107= More Info =