openharmony/third_party_ffmpeg
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hopefully fixing unreprodceable segfault when overreading the end if error_resilience==-1 (it didnt overread here though)

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Originally committed as revision 841 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2002-08-04 19:28:27 +00:00
parent 0a6baf39cb
commit 159d10fc2c
1 changed files with 2 additions and 1 deletions
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libavcodec/msmpeg4.c
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@ -1859,7 +1859,8 @@ static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
if (i > 62){
i-= 192;
if(i&(~63)){
if((i+192 == 64 && level/qmul==-1) || s->error_resilience<0){
const int left= s->gb.size*8 - get_bits_count(&s->gb);
if(((i+192 == 64 && level/qmul==-1) || s->error_resilience<0) && left>=0){
fprintf(stderr, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y);
break;
}else{