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avcodec/mpeg12dec: Make mpeg2_fast_decode_block_intra() more robust by breaking out on invalid vlcs 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-24 16:28:39 +01:00
parent a0e9dfb5ae
commit 746350ea0f
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mpeg12dec.c
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@ -613,7 +613,7 @@ static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, int16_t *bloc
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
if (level == 127) {
if (level >= 64) {
break;
} else if (level != 0) {
scantable += run;