Ejemplo n.º 1
0
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);
}
Ejemplo n.º 2
0
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));
    }
}