#11269: hevc_amf with 10-bit video incorrectly forces output color space to
BT2020
-------------------------------------+-------------------------------------
Reporter: Adrian | Type: defect
Status: new | Priority: important
Component: | Version:
undetermined | unspecified
Keywords: amf | Blocked By:
hevc_amf |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
Encoding any 10-bit video using `hevc_amf` encoder forces it's output
color space to BT2020, even if the original file is using BT709. This is
caused by this code here:
https://github.com/FFmpeg/FFmpeg/blob/08b1bffa49715a9615acc025dfbea252d8409e1f/libavcodec/amfenc_hevc.c#L257-L266
Example video file: https://drive.google.com/file/d
/1OFyV08QcJnrK8fNYCeQt2jTvW-Olt5Dw/view?usp=sharing
How to reproduce:
{{{
% ffmpeg.exe -i DJI_20241020171413_0160_D.MP4 -c:v hevc_amf -t 2 out.mp4
ffmpeg 7.1
}}}
ffprobe then shows`yuv420p10le(tv, bt709/bt2020/smpte2084, progressive)`
and colors are messed up (depends on the player, but for example in
Windows' Media Player)
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11269>
FFmpeg <https://ffmpeg.org>
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