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avcodec/hevc/hevcdec: ensure a bit was read when checking for alignment_bit_equal_to_one

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Prevents printing bogus errors about the value being 0, when in fact we
overread the available slice buffer.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-05-02 16:26:04 -03:00
parent 62f7b43b53
commit d34c738435
1 changed files with 1 additions and 1 deletions
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2
libavcodec/hevc/hevcdec.c
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@ -1154,7 +1154,7 @@ static int hls_slice_header(SliceHeader *sh, const HEVCContext *s, GetBitContext
}
ret = get_bits1(gb);
if (!ret) {
if (!ret && get_bits_left(gb) >= 0) {
av_log(s->avctx, AV_LOG_ERROR, "alignment_bit_equal_to_one=0\n");
return AVERROR_INVALIDDATA;
}