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avcodec/dovi_rpudec: validate L2.ms_weight

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This is specified to be in the range -1 to 4095, apparently the only
extension level with such a restriction.
This commit is contained in:
Niklas Haas 2024-06-14 13:59:26 +02:00
parent e07b735a99
commit 954f890f95
1 changed files with 4 additions and 0 deletions
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4
libavcodec/dovi_rpudec.c
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@ -143,6 +143,7 @@ static int parse_ext_v1(DOVIContext *s, GetBitContext *gb, AVDOVIDmData *dm)
dm->l2.trim_chroma_weight = get_bits(gb, 12);
dm->l2.trim_saturation_gain = get_bits(gb, 12);
dm->l2.ms_weight = get_sbits(gb, 13);
VALIDATE(dm->l2.ms_weight, -1, 4095);
break;
case 4:
dm->l4.anchor_pq = get_bits(gb, 12);
@ -172,6 +173,9 @@ static int parse_ext_v1(DOVIContext *s, GetBitContext *gb, AVDOVIDmData *dm)
}
return 0;
fail:
return AVERROR_INVALIDDATA;
}
static AVCIExy get_cie_xy(GetBitContext *gb)