The patch basically looks good. Some comments inline.
> -Original Message-
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf Of
> Mark Thompson
> Sent: Thursday, February 28, 2019 8:38 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: [FFmpeg-devel] [P
Attempts to pick the set of supported colour properties best matching the
input. Output is then set with the same values, except for the colour
matrix which may change when converting between RGB and YUV.
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Not much change since the version sent two months ago - rebased, and the
transpose filte
