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cbs_av1: Remove constraint on MDCV luminance values

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While desiring min to be less than max feels entirely sensible,
unfortunately the standard does not actually have this requirement.
This commit is contained in:
Mark Thompson
2023-01-18 20:30:50 +00:00
parent 20b96494de
commit aaa49a7a42
1 changed files with 2 additions and 5 deletions
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7
libavcodec/cbs_av1_syntax_template.c
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@@ -1862,11 +1862,8 @@ static int FUNC(metadata_hdr_mdcv)(CodedBitstreamContext *ctx, RWContext *rw,
fb(16, white_point_chromaticity_x);
fb(16, white_point_chromaticity_y);
fc(32, luminance_max, 1, MAX_UINT_BITS(32));
// luminance_min must be lower than luminance_max. Convert luminance_max from
// 24.8 fixed point to 18.14 fixed point in order to compare them.
fc(32, luminance_min, 0, FFMIN(((uint64_t)current->luminance_max << 6) - 1,
MAX_UINT_BITS(32)));
fb(32, luminance_max);
fb(32, luminance_min);
return 0;
}