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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-01-24 19:46:43 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-01-24 21:09:16 +0400 |
| commit | 0a59055167eea3087a36d9091501d3bb52ed8ebe (patch) | |
| tree | 5558f40804353101c4843384dda919e0a1ac2b42 /libavcodec/mpeg12dec.c | |
| parent | 746350ea0f7bde1e9fd23270e104af8897197293 (diff) | |
avcodec/mpeg12dec: check for overread in mpeg1_fast_decode_block_inter()
No speedloss meassured
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mpeg12dec.c')
| -rw-r--r-- | libavcodec/mpeg12dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 91346bf52b..a4ff5d6925 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -335,7 +335,7 @@ static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, int16_t *bloc } block[j] = level; - if (((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) + if (((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF || i >= 64) break; UPDATE_CACHE(re, &s->gb); } |