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Ignore first entry of intra matrixes if it is invalid.

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Fixes pink.mpg / issue1046.

Originally committed as revision 18724 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-05-01 12:31:19 +00:00
parent 45ccc61a06
commit 714127812c
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mpeg12.c
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@ -1480,6 +1480,10 @@ static int load_matrix(MpegEncContext *s, uint16_t matrix0[64], uint16_t matrix1
av_log(s->avctx, AV_LOG_ERROR, "matrix damaged\n");
return -1;
}
if(intra && i==0 && v!=8){
av_log(s->avctx, AV_LOG_ERROR, "intra matrix invalid, ignoring\n");
v= 8; // needed by pink.mpg / issue1046
}
matrix0[j] = v;
if(matrix1)
matrix1[j] = v;