Changes between Version 13 and Version 14 of Encode/AV1

Timestamp:

Dec 3, 2018, 4:52:51 PM (8 years ago)

Author:

Ewout

Comment:

Add color info passing for HDR

Encode/AV1

@@ -87 +87 @@
 `-cpu-used` sets how efficient the compression will be. Default is 1. Lower values mean slower encoding with better quality, and vice-versa.
 
-= Chroma subsampling =
+= Chroma subsampling / HDR =
 If you want to use different chroma subsampling formats such as 4:2:2 or 4:4:4 you can use `-vf format=`.
 
@@ -98 +98 @@
 ffmpeg -i input.mp4 -c:v libaom-av1 -strict experimental -vf "format=yuv444p,scale=iw/2:ih/2" output.mkv
 }}}
-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`
+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`. View all the different subsampling formats with `ffmpeg -pix_fmts`
 
-View all the different subsampling formats with `ffmpeg -pix_fmts`
+When encoding in HDR it's necessary to pass through color information; `-colorspace`, `-color_trc` and `-color_primaries`. For example, Youtube HDR uses
+{{{
+-colorspace bt2020nc -color_trc smpte2084 -color_primaries bt2020
+}}}
 
 = More Info =