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avcodec/cbs_av1: fix range of values for Mastering Display Color Volume Metadata OBUs

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Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 40490b3a63)
This commit is contained in:
James Almer 2019-03-21 15:37:26 -03:00
parent abf36b76de
commit 6972b353b4
1 changed files with 8 additions and 5 deletions
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13
libavcodec/cbs_av1_syntax_template.c
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@ -1637,15 +1637,18 @@ static int FUNC(metadata_hdr_mdcv)(CodedBitstreamContext *ctx, RWContext *rw,
int err, i;
for (i = 0; i < 3; i++) {
fcs(16, primary_chromaticity_x[i], 0, 50000, 1, i);
fcs(16, primary_chromaticity_y[i], 0, 50000, 1, i);
fbs(16, primary_chromaticity_x[i], 1, i);
fbs(16, primary_chromaticity_y[i], 1, i);
}
fc(16, white_point_chromaticity_x, 0, 50000);
fc(16, white_point_chromaticity_y, 0, 50000);
fb(16, white_point_chromaticity_x);
fb(16, white_point_chromaticity_y);
fc(32, luminance_max, 1, MAX_UINT_BITS(32));
fc(32, luminance_min, 0, current->luminance_max >> 6);
// 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)));
return 0;
}