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avcodec/ituh263dec: make while get_bits loop more robust by checking bits left

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-30 14:23:30 +01:00
parent 489c575bd6
commit 810f9c5eaa
1 changed files with 2 additions and 0 deletions
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libavcodec/ituh263dec.c
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@ -1115,6 +1115,8 @@ int ff_h263_decode_picture_header(MpegEncContext *s)
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
if (get_bits_left(&s->gb) <= 0)
return AVERROR_INVALIDDATA;
}
if(s->h263_slice_structured){