bool MltPreview::create(const QString &path, int width, int height, QImage &img) { Mlt::Profile *profile = new Mlt::Profile("dv_pal"); Mlt::Producer *producer = new Mlt::Producer(*profile, path.toUtf8().data()); if (producer->is_blank()) { delete producer; return false; } int frame = 75; uint variance = 10; int ct = 1; //img = getFrame(producer, frame, width, height); while (variance <= 40 && ct < 4) { img = getFrame(producer, frame, width, height); variance = imageVariance(img); frame += 100 * ct; ct++; } delete producer; delete profile; return (img.isNull() == false); }
void BinController::initializeBin(Mlt::Playlist playlist) { // Load folders Mlt::Properties folderProperties; Mlt::Properties playlistProps(playlist.get_properties()); folderProperties.pass_values(playlistProps, "kdenlive:folder."); QMap <QString,QString> foldersData; for (int i = 0; i < folderProperties.count(); i++) { foldersData.insert(folderProperties.get_name(i), folderProperties.get(i)); } emit loadFolders(foldersData); // Read notes QString notes = playlistProps.get("kdenlive:documentnotes"); emit setDocumentNotes(notes); // Fill Controller's list m_binPlaylist = new Mlt::Playlist(playlist); m_binPlaylist->set("id", kPlaylistTrackId); int max = m_binPlaylist->count(); for (int i = 0; i < max; i++) { Mlt::Producer *producer = m_binPlaylist->get_clip(i); if (producer->is_blank() || !producer->is_valid()) continue; QString id = producer->parent().get("id"); if (id.contains(QStringLiteral("_"))) { // This is a track producer QString mainId = id.section(QStringLiteral("_"), 0, 0); QString track = id.section(QStringLiteral("_"), 1, 1); if (m_clipList.contains(mainId)) { // The controller for this track producer already exists } else { // Create empty controller for this track ClipController *controller = new ClipController(this); m_clipList.insert(mainId, controller); } delete producer; } else { if (m_clipList.contains(id) && m_clipList.value(id)) { //Controller was already added by a track producer, add master now m_clipList.value(id)->addMasterProducer(producer->parent()); } else { // Controller has not been created yet ClipController *controller = new ClipController(this, producer->parent()); // fix MLT somehow adding root to color producer's resource (report upstream) if (strcmp(producer->parent().get("mlt_service"), "color") == 0) { QString color = producer->parent().get("resource"); if (color.contains(QStringLiteral("/"))) { color = color.section(QStringLiteral("/"), -1, -1); producer->parent().set("resource", color.toUtf8().constData()); } } m_clipList.insert(id, controller); } } emit loadingBin(i + 1); } // Load markers Mlt::Properties markerProperties; markerProperties.pass_values(playlistProps, "kdenlive:marker."); QMap <QString,QString> markersData; for (int i = 0; i < markerProperties.count(); i++) { QString markerId = markerProperties.get_name(i); QString controllerId = markerId.section(QStringLiteral(":"), 0, 0); ClipController *ctrl = m_clipList.value(controllerId); if (!ctrl) continue; ctrl->loadSnapMarker(markerId.section(QStringLiteral(":"), 1), markerProperties.get(i)); } }