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tscc2: fix out of array access 

Fixes CID732260
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-12 02:26:50 +02:00
parent 5a75924dfd
commit 927d866a99
1 changed files with 1 additions and 1 deletions
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2
libavcodec/tscc2.c
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@ -173,7 +173,7 @@ static int tscc2_decode_mb(TSCC2Context *c, int *q, int vlc_set,
if (ac == 0x1000)
ac = get_bits(gb, 12);
bpos += ac & 0xF;
if (bpos >= 64)
if (bpos >= 16)
return AVERROR_INVALIDDATA;
val = sign_extend(ac >> 4, 8);
c->block[tscc2_zigzag[bpos++]] = val;