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Print out some errors found during MS RLE decoding

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Originally committed as revision 16012 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-12-06 09:01:11 +00:00
parent 56da1fd7d1
commit ce60c2d133
1 changed files with 6 additions and 2 deletions
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8
libavcodec/msrledec.c
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@ -145,8 +145,10 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic, int de
p2 = *src++;
if(p2 == 0) { //End-of-line
output = pic->data[0] + (--line) * pic->linesize[0];
if (line < 0)
if (line < 0){
av_log(avctx, AV_LOG_ERROR, "Next line is beyond picture bounds\n");
return -1;
}
pos = 0;
continue;
} else if(p2 == 1) { //End-of-picture
@ -155,8 +157,10 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic, int de
p1 = *src++;
p2 = *src++;
line -= p2;
if (line < 0)
if (line < 0){
av_log(avctx, AV_LOG_ERROR, "Skip beyond picture bounds\n");
return -1;
}
pos += p1;
output = pic->data[0] + line * pic->linesize[0] + pos * (depth >> 3);
continue;