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Check for symbol count

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Originally committed as revision 6910 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-11-06 06:13:29 +00:00
parent 3f509ba122
commit f4e31985da
1 changed files with 4 additions and 0 deletions
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4
libavcodec/fraps.c
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@ -140,6 +140,10 @@ static int fraps2_decode_plane(FrapsContext *s, uint8_t *dst, int stride, int w,
s->nodes[i].sym = i;
s->nodes[i].count = LE_32(src);
s->nodes[i].n0 = -2;
if(s->nodes[i].count < 0) {
av_log(s->avctx, AV_LOG_ERROR, "Symbol count < 0\n");
return -1;
}
src += 4;
sum += s->nodes[i].count;
}