Check for symbol count

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

View File

@ -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].sym = i;
s->nodes[i].count = LE_32(src); s->nodes[i].count = LE_32(src);
s->nodes[i].n0 = -2; 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; src += 4;
sum += s->nodes[i].count; sum += s->nodes[i].count;
} }