}
for (k = 0; k < nb; k++) {
int bits = table[j][1];
+ int oldsym = table[j][0];
ff_dlog(NULL, "%4x: code=%d n=%d\n", j, i, n);
- if (bits != 0 && bits != n) {
+ if ((bits || oldsym) && (bits != n || oldsym != symbol)) {
av_log(NULL, AV_LOG_ERROR, "incorrect codes\n");
return AVERROR_INVALIDDATA;
}
/* note: realloc has been done, so reload tables */
table = (volatile VLC_TYPE (*)[2])&vlc->table[table_index];
table[j][0] = index; //code
+ if (table[j][0] != index) {
+ avpriv_request_sample(NULL, "strange codes");
+ return AVERROR_PATCHWELCOME;
+ }
i = k-1;
}
}