+static void matroska_parse_cues(MatroskaDemuxContext *matroska) {
+ EbmlList *seekhead_list = &matroska->seekhead;
+ MatroskaSeekhead *seekhead = seekhead_list->elem;
+ EbmlList *index_list;
+ MatroskaIndex *index;
+ int index_scale = 1;
+ int i, j;
+
+ for (i = 0; i < seekhead_list->nb_elem; i++)
+ if (seekhead[i].id == MATROSKA_ID_CUES)
+ break;
+ assert(i <= seekhead_list->nb_elem);
+
+ matroska_parse_seekhead_entry(matroska, i);
+
+ index_list = &matroska->index;
+ index = index_list->elem;
+ if (index_list->nb_elem
+ && index[0].time > 1E14/matroska->time_scale) {
+ av_log(matroska->ctx, AV_LOG_WARNING, "Working around broken index.\n");
+ index_scale = matroska->time_scale;
+ }
+ for (i = 0; i < index_list->nb_elem; i++) {
+ EbmlList *pos_list = &index[i].pos;
+ MatroskaIndexPos *pos = pos_list->elem;
+ for (j = 0; j < pos_list->nb_elem; j++) {
+ MatroskaTrack *track = matroska_find_track_by_num(matroska, pos[j].track);
+ if (track && track->stream)
+ av_add_index_entry(track->stream,
+ pos[j].pos + matroska->segment_start,
+ index[i].time/index_scale, 0, 0,
+ AVINDEX_KEYFRAME);
+ }
+ }