+ Mlt::Service service(m_mltProducer->parent().get_service());
+ if (service.type() != tractor_type) {
+ kWarning() << "// TRACTOR PROBLEM";
+ return;
+ }
+ Mlt::Tractor tractor(service);
+ Mlt::Producer trackProducer(tractor.track(info.track));
+ Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
+ int startPos = info.startPos.frames(m_fps);
+ int clipIndex = trackPlaylist.get_clip_index_at(startPos);
+ Mlt::Producer *clip = trackPlaylist.get_clip(clipIndex);
+
+ // keep effects
+ QList <Mlt::Filter *> filtersList;
+ Mlt::Service sourceService(clip->get_service());
+ int ct = 0;
+ Mlt::Filter *filter = sourceService.filter(ct);
+ while (filter) {
+ if (filter->get("kdenlive_ix") != 0) {
+ filtersList.append(filter);
+ }
+ ct++;
+ filter = sourceService.filter(ct);
+ }