SEEK_TO_PTS,
};
+/**
+ * Try to seek over a broken chunk
+ * @return <0 on error
+ */
+static int recover(WtvContext *wtv, uint64_t broken_pos)
+{
+ AVIOContext *pb = wtv->pb;
+ int i;
+ for (i = 0; i < wtv->nb_index_entries; i++) {
+ if (wtv->index_entries[i].pos > broken_pos) {
+ int ret = avio_seek(pb, wtv->index_entries[i].pos, SEEK_SET);
+ if (ret < 0)
+ return ret;
+ wtv->pts = wtv->index_entries[i].timestamp;
+ return 0;
+ }
+ }
+ return AVERROR(EIO);
+}
+
/**
* Parse WTV chunks
* @param mode SEEK_TO_DATA or SEEK_TO_PTS
ff_get_guid(pb, &g);
len = avio_rl32(pb);
- if (len < 32)
- break;
+ if (len < 32) {
+ int ret;
+ av_log(s, AV_LOG_WARNING, "encountered broken chunk\n");
+ if ((ret = recover(wtv, avio_tell(pb) - 20)) < 0)
+ return ret;
+ continue;
+ }
sid = avio_rl32(pb) & 0x7FFF;
avio_skip(pb, 8);
consumed = 32;