+int Render::mltChangeClipSpeed(ItemInfo info, double speed, Mlt::Producer *prod) {
+ m_isBlocked = true;
+ int newLength = 0;
+ Mlt::Service service(m_mltProducer->parent().get_service());
+ if (service.type() != tractor_type) kWarning() << "// TRACTOR PROBLEM";
+ kDebug() << "Changing clip speed, set in and out: " << info.cropStart.frames(m_fps) << " to " << (info.endPos - info.startPos).frames(m_fps) - 1;
+ Mlt::Tractor tractor(service);
+ Mlt::Producer trackProducer(tractor.track(info.track));
+ Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
+ int clipIndex = trackPlaylist.get_clip_index_at((int) info.startPos.frames(m_fps));
+ Mlt::Producer clip(trackPlaylist.get_clip(clipIndex));
+ QString serv = clip.parent().get("mlt_service");
+ QString id = clip.parent().get("id");
+ kDebug() << "CLIP SERVICE: " << clip.parent().get("mlt_service");
+ if (serv == "avformat" && speed != 1.0) {
+ mlt_service_lock(service.get_service());
+ QString url = clip.parent().get("resource");
+ url.append("?" + QString::number(speed));
+ Mlt::Producer *slowprod = m_slowmotionProducers.value(url);
+ if (!slowprod || slowprod->get_producer() == NULL) {
+ char *tmp = decodedString(url);
+ slowprod = new Mlt::Producer(*m_mltProfile, "framebuffer", tmp);
+ delete[] tmp;
+ QString producerid = "slowmotion:" + id + ":" + QString::number(speed);
+ tmp = decodedString(producerid);
+ slowprod->set("id", tmp);
+ delete[] tmp;
+ m_slowmotionProducers.insert(url, slowprod);
+ }
+ Mlt::Producer *cut = slowprod->cut(info.cropStart.frames(m_fps), (info.endPos - info.startPos).frames(m_fps) - 1);
+ newLength = cut->get_length();
+ trackPlaylist.replace_with_blank(clipIndex);
+ trackPlaylist.consolidate_blanks(0);
+ trackPlaylist.insert_at((int) info.startPos.frames(m_fps), *cut, 1);
+ mlt_service_unlock(service.get_service());
+ } else if (speed == 1.0) {
+ mlt_service_lock(service.get_service());
+ Mlt::Producer *cut = prod->cut(info.cropStart.frames(m_fps), (info.endPos - info.startPos).frames(m_fps) - 1);
+ trackPlaylist.replace_with_blank(clipIndex);
+ newLength = cut->get_length();
+ trackPlaylist.consolidate_blanks(0);
+ trackPlaylist.insert_at((int) info.startPos.frames(m_fps), *cut, 1);
+ mlt_service_unlock(service.get_service());
+ } else if (serv == "framebuffer") {
+ mlt_service_lock(service.get_service());
+ QString url = clip.parent().get("resource");
+ url = url.section("?", 0, 0);
+ url.append("?" + QString::number(speed));
+ Mlt::Producer *slowprod = m_slowmotionProducers.value(url);
+ if (!slowprod || slowprod->get_producer() == NULL) {
+ char *tmp = decodedString(url);
+ slowprod = new Mlt::Producer(*m_mltProfile, "framebuffer", tmp);
+ delete[] tmp;
+ QString producerid = "slowmotion:" + id.section(":", 1, 1) + ":" + QString::number(speed);
+ tmp = decodedString(producerid);
+ slowprod->set("id", tmp);
+ delete[] tmp;
+ m_slowmotionProducers.insert(url, slowprod);