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cavsdec: check stc in decode_slice_header() 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-24 16:29:46 +01:00
parent 9a57a37b70
commit 71e78e1f51
1 changed files with 4 additions and 0 deletions
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4
libavcodec/cavsdec.c
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@ -418,6 +418,10 @@ static void decode_mb_b(AVSContext *h, enum cavs_mb mb_type) {
static inline int decode_slice_header(AVSContext *h, GetBitContext *gb) {
if(h->stc > 0xAF)
av_log(h->s.avctx, AV_LOG_ERROR, "unexpected start code 0x%02x\n", h->stc);
if (h->stc >= h->mb_height)
return -1;
h->mby = h->stc;
h->mbidx = h->mby*h->mb_width;