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avcodec/avs2_parser: Assert init_get_bits8() success with const size 15

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Fixes: CID1506708 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7c4f119c9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-01 15:50:56 +02:00
parent 19e6b871b6
commit e886fe5542
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1 changed files with 3 additions and 1 deletions
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libavcodec/avs2_parser.c
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@ -72,13 +72,15 @@ static void parse_avs2_seq_header(AVCodecParserContext *s, const uint8_t *buf,
unsigned aspect_ratio;
unsigned frame_rate_code;
int low_delay;
av_unused int ret;
// update buf_size_min if parse more deeper
const int buf_size_min = 15;
if (buf_size < buf_size_min)
return;
init_get_bits8(&gb, buf, buf_size_min);
ret = init_get_bits8(&gb, buf, buf_size_min);
av_assert1(ret >= 0);
s->key_frame = 1;
s->pict_type = AV_PICTURE_TYPE_I;