C++ Properties::count方法代码示例

void BinController::saveDocumentProperties(const QMap <QString, QString> props, const QMap <double, QString> guidesData)
{
    // Clear previous properites
    Mlt::Properties playlistProps(m_binPlaylist->get_properties());
    Mlt::Properties docProperties;
    docProperties.pass_values(playlistProps, "kdenlive:docproperties.");
    for (int i = 0; i < docProperties.count(); i++) {
        QString propName = QStringLiteral("kdenlive:docproperties.") + docProperties.get_name(i);
        playlistProps.set(propName.toUtf8().constData(), (char *)NULL);
    }
    // Clear previous guides
    Mlt::Properties guideProperties;
    guideProperties.pass_values(playlistProps, "kdenlive:guide.");
    for (int i = 0; i < guideProperties.count(); i++) {
        QString propName = QStringLiteral("kdenlive:guide.") + guideProperties.get_name(i);
        playlistProps.set(propName.toUtf8().constData(), (char *)NULL);
    }

    QMapIterator<QString, QString> i(props);
    while (i.hasNext()) {
        i.next();
        playlistProps.set(("kdenlive:docproperties." + i.key()).toUtf8().constData(), i.value().toUtf8().constData());
    }

    // Append guides
    QMapIterator<double, QString> g(guidesData);
    QLocale locale;
    while (g.hasNext()) {
        g.next();
        QString propertyName = "kdenlive:guide." + locale.toString(g.key());
        playlistProps.set(propertyName.toUtf8().constData(), g.value().toUtf8().constData());
    }
}

EncodeDock::EncodeDock(QWidget *parent) :
    QDockWidget(parent),
    ui(new Ui::EncodeDock),
    m_presets(Mlt::Repository::presets()),
    m_immediateJob(0),
    m_profiles(Mlt::Profile::list())
{
    LOG_DEBUG() << "begin";
    ui->setupUi(this);
    ui->stopCaptureButton->hide();
    ui->videoCodecThreadsSpinner->setMaximum(QThread::idealThreadCount());
    if (QThread::idealThreadCount() < 3)
        ui->parallelCheckbox->setHidden(true);
    toggleViewAction()->setIcon(windowIcon());

    connect(ui->videoBitrateCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(on_videoBufferDurationChanged()));
    connect(ui->videoBufferSizeSpinner, SIGNAL(valueChanged(double)), this, SLOT(on_videoBufferDurationChanged()));

    m_presetsModel.setSourceModel(new QStandardItemModel(this));
    m_presetsModel.setFilterCaseSensitivity(Qt::CaseInsensitive);
    ui->presetsTree->setModel(&m_presetsModel);
    loadPresets();

    // populate the combos
    Mlt::Consumer c(MLT.profile(), "avformat");
    c.set("f", "list");
    c.set("acodec", "list");
    c.set("vcodec", "list");
    c.start();
    c.stop();

    Mlt::Properties* p = new Mlt::Properties(c.get_data("f"));
    ui->formatCombo->blockSignals(true);
    for (int i = 0; i < p->count(); i++)
        ui->formatCombo->addItem(p->get(i));
    delete p;
    ui->formatCombo->model()->sort(0);
    ui->formatCombo->insertItem(0, tr("Automatic from extension"));
    ui->formatCombo->blockSignals(false);

    p = new Mlt::Properties(c.get_data("acodec"));
    for (int i = 0; i < p->count(); i++)
        ui->audioCodecCombo->addItem(p->get(i));
    delete p;
    ui->audioCodecCombo->model()->sort(0);
    ui->audioCodecCombo->insertItem(0, tr("Default for format"));

    p = new Mlt::Properties(c.get_data("vcodec"));
    for (int i = 0; i < p->count(); i++)
        ui->videoCodecCombo->addItem(p->get(i));
    delete p;
    ui->videoCodecCombo->model()->sort(0);
    ui->videoCodecCombo->insertItem(0, tr("Default for format"));

    on_resetButton_clicked();

    LOG_DEBUG() << "end";
}

EncodeDock::EncodeDock(QWidget *parent) :
    QDockWidget(parent),
    ui(new Ui::EncodeDock),
    m_presets(Mlt::Repository::presets()),
    m_immediateJob(0),
    m_profiles(Mlt::Profile::list())
{
    qDebug() << "begin";
    ui->setupUi(this);
#ifdef Q_OS_UNIX
    ui->stopCaptureButton->hide();
#else
    delete ui->stopCaptureButton;
#endif
    ui->videoCodecThreadsSpinner->setMaximum(QThread::idealThreadCount());
    toggleViewAction()->setIcon(windowIcon());

    m_presetsModel.setSourceModel(new QStandardItemModel(this));
    m_presetsModel.setFilterCaseSensitivity(Qt::CaseInsensitive);
    ui->presetsTree->setModel(&m_presetsModel);
    loadPresets();

    // populate the combos
    Mlt::Consumer c(MLT.profile(), "avformat");
    c.set("f", "list");
    c.set("acodec", "list");
    c.set("vcodec", "list");
    c.start();
    c.stop();

    Mlt::Properties* p = new Mlt::Properties(c.get_data("f"));
    for (int i = 0; i < p->count(); i++)
        ui->formatCombo->addItem(p->get(i));
    delete p;
    ui->formatCombo->model()->sort(0);
    ui->formatCombo->insertItem(0, tr("Automatic from extension"));
    ui->formatCombo->setCurrentIndex(0);

    p = new Mlt::Properties(c.get_data("acodec"));
    for (int i = 0; i < p->count(); i++)
        ui->audioCodecCombo->addItem(p->get(i));
    delete p;
    ui->audioCodecCombo->model()->sort(0);
    ui->audioCodecCombo->insertItem(0, tr("Default for format"));
    ui->audioCodecCombo->setCurrentIndex(0);

    p = new Mlt::Properties(c.get_data("vcodec"));
    for (int i = 0; i < p->count(); i++)
        ui->videoCodecCombo->addItem(p->get(i));
    delete p;
    ui->videoCodecCombo->model()->sort(0);
    ui->videoCodecCombo->insertItem(0, tr("Default for format"));
    ui->videoCodecCombo->setCurrentIndex(0);
    on_audioRateControlCombo_activated(ui->audioRateControlCombo->currentIndex());
    on_videoRateControlCombo_activated(ui->videoRateControlCombo->currentIndex());
    qDebug() << "end";
}

EncodeDock::EncodeDock(QWidget *parent) :
    QDockWidget(parent),
    ui(new Ui::EncodeDock),
    m_presets(Mlt::Repository::presets()),
    m_immediateJob(0),
    m_profiles(Mlt::Profile::list())
{
    ui->setupUi(this);
#ifdef Q_WS_X11
    ui->stopCaptureButton->hide();
#else
    delete ui->stopCaptureButton;
#endif
    ui->videoCodecThreadsSpinner->setMaximum(QThread::idealThreadCount());
    toggleViewAction()->setIcon(QIcon::fromTheme("media-record", windowIcon()));
    ui->addPresetButton->setIcon(QIcon::fromTheme("list-add", ui->addPresetButton->icon()));
    ui->removePresetButton->setIcon(QIcon::fromTheme("list-remove", ui->removePresetButton->icon()));
    ui->reloadSignalButton->setIcon(QIcon::fromTheme("view-refresh", ui->reloadSignalButton->icon()));

    loadPresets();

    // populate the combos
    Mlt::Consumer c(MLT.profile(), "avformat");
    c.set("f", "list");
    c.set("acodec", "list");
    c.set("vcodec", "list");
    c.start();
    c.stop();
    Mlt::Properties* p = new Mlt::Properties(c.get_data("f"));
    ui->formatCombo->addItem(tr("Automatic from extension"));
    for (int i = 0; i < p->count(); i++)
        ui->formatCombo->addItem(p->get(i));
    delete p;
    p = new Mlt::Properties(c.get_data("acodec"));
    ui->audioCodecCombo->addItem(tr("Default for format"));
    for (int i = 0; i < p->count(); i++)
        ui->audioCodecCombo->addItem(p->get(i));
    delete p;
    p = new Mlt::Properties(c.get_data("vcodec"));
    ui->videoCodecCombo->addItem(tr("Default for format"));
    for (int i = 0; i < p->count(); i++)
        ui->videoCodecCombo->addItem(p->get(i));
    delete p;
}

QMap <QString, QString> ClipController::getPropertiesFromPrefix(const QString &prefix, bool withPrefix)
{
    Mlt::Properties subProperties;
    subProperties.pass_values(*m_properties, prefix.toUtf8().constData());
    QMap <QString,QString> subclipsData;
    for (int i = 0; i < subProperties.count(); i++) {
        subclipsData.insert(withPrefix ? QString(prefix + subProperties.get_name(i)) : subProperties.get_name(i), subProperties.get(i));
    }
    return subclipsData;
}

QMap<double,QString> BinController::takeGuidesData()
{
    QLocale locale;
    // Load guides
    Mlt::Properties guidesProperties;
    Mlt::Properties playlistProps(m_binPlaylist->get_properties());
    guidesProperties.pass_values(playlistProps, "kdenlive:guide.");

    qDebug()<<"***********\nFOUND GUIDES: "<<guidesProperties.count()<<"\n**********";
    QMap <double,QString> guidesData;
    for (int i = 0; i < guidesProperties.count(); i++) {
        double time = locale.toDouble(guidesProperties.get_name(i));
        guidesData.insert(time, guidesProperties.get(i));
        // Clear bin data
        QString propertyName = "kdenlive:guide." + QString(guidesProperties.get_name(i));
        m_binPlaylist->set(propertyName.toUtf8().constData(), (char *) NULL);
    }
    return guidesData;
}

void TransitionHandler::cloneProperties(Mlt::Properties &dest, Mlt::Properties &source)
{
    int count = source.count();
    int i = 0;
    for ( i = 0; i < count; i ++ )
    {
        char *value = source.get(i);
        if ( value != NULL )
        {
            char *name = source.get_name( i );
            if (name != NULL && name[0] != '_') dest.set(name, value);
        }
    }
}

void Wizard::checkMltComponents()
{
    QSize itemSize(20, fontMetrics().height() * 2.5);
    m_mltCheck.programList->setColumnWidth(0, 30);
    m_mltCheck.programList->setIconSize(QSize(24, 24));


    QTreeWidgetItem *mltitem = new QTreeWidgetItem(m_mltCheck.programList);

    QTreeWidgetItem *meltitem = new QTreeWidgetItem(m_mltCheck.programList, QStringList() << QString() << i18n("Melt") + " (" + KdenliveSettings::rendererpath() + ')');
    meltitem->setData(1, Qt::UserRole, i18n("Required for rendering (part of MLT package)"));
    meltitem->setSizeHint(0, itemSize);
    meltitem->setIcon(0, m_okIcon);


    Mlt::Repository *repository = Mlt::Factory::init();
    if (!repository) {
        mltitem->setData(1, Qt::UserRole, i18n("Cannot start the MLT video backend!"));
        mltitem->setIcon(0, m_badIcon);
        m_systemCheckIsOk = false;
        button(QWizard::NextButton)->setEnabled(false);
    }
    else {
        int mltVersion = (mltVersionMajor << 16) + (mltVersionMinor << 8) + mltVersionRevision;
        mltitem->setText(1, i18n("MLT version: %1", mlt_version_get_string()));
        mltitem->setSizeHint(0, itemSize);
        if (mlt_version_get_int() < 1792) {
            mltitem->setData(1, Qt::UserRole, i18n("Your MLT version is unsupported!!!"));
            mltitem->setIcon(0, m_badIcon);
            m_systemCheckIsOk = false;
            button(QWizard::NextButton)->setEnabled(false);
        }
        else if (mlt_version_get_int() < mltVersion) {
            mltitem->setData(1, Qt::UserRole, i18n("Please upgrade to MLT %1.%2.%3", mltVersionMajor, mltVersionMinor, mltVersionRevision));
            mltitem->setIcon(0, m_badIcon);
        }
        else {
            mltitem->setData(1, Qt::UserRole, i18n("MLT video backend!"));
            mltitem->setIcon(0, m_okIcon);
        }

        // Retrieve the list of available transitions.
        Mlt::Properties *producers = repository->producers();
        QStringList producersItemList;
        for (int i = 0; i < producers->count(); ++i)
            producersItemList << producers->get_name(i);
        delete producers;

        Mlt::Properties *consumers = repository->consumers();
        QStringList consumersItemList;
        for (int i = 0; i < consumers->count(); ++i)
            consumersItemList << consumers->get_name(i);
        delete consumers;

        // SDL module
        QTreeWidgetItem *sdlItem = new QTreeWidgetItem(m_mltCheck.programList, QStringList() << QString() << i18n("SDL module"));
        sdlItem->setData(1, Qt::UserRole, i18n("Required for Kdenlive"));
        sdlItem->setSizeHint(0, itemSize);
        
        if (!consumersItemList.contains("sdl")) {
            sdlItem->setIcon(0, m_badIcon);
            m_systemCheckIsOk = false;
            button(QWizard::NextButton)->setEnabled(false);
        }
        else {
            sdlItem->setIcon(0, m_okIcon);
        }

        // AVformat module
        QTreeWidgetItem *avformatItem = new QTreeWidgetItem(m_mltCheck.programList, QStringList() << QString() << i18n("Avformat module (FFmpeg)"));
        avformatItem->setData(1, Qt::UserRole, i18n("Required to work with various video formats (hdv, mpeg, flash, ...)"));
        avformatItem->setSizeHint(0, itemSize);
        Mlt::Consumer *consumer = NULL;
        Mlt::Profile p;
        if (consumersItemList.contains("avformat"))
            consumer = new Mlt::Consumer(p, "avformat");
        if (consumer == NULL || !consumer->is_valid()) {
            avformatItem->setIcon(0, m_badIcon);
            m_mltCheck.tabWidget->setTabEnabled(1, false);
        }
        else {
            avformatItem->setIcon(0, m_okIcon);
            consumer->set("vcodec", "list");
            consumer->set("acodec", "list");
            consumer->set("f", "list");
            consumer->start();
            QStringList result;
            Mlt::Properties vcodecs((mlt_properties) consumer->get_data("vcodec"));
            for (int i = 0; i < vcodecs.count(); ++i)
                result << QString(vcodecs.get(i));
            m_mltCheck.vcodecs_list->addItems(result);
            KdenliveSettings::setVideocodecs(result);
            result.clear();
            Mlt::Properties acodecs((mlt_properties) consumer->get_data("acodec"));
            for (int i = 0; i < acodecs.count(); ++i)
                result << QString(acodecs.get(i));
            m_mltCheck.acodecs_list->addItems(result);
            KdenliveSettings::setAudiocodecs(result);
            result.clear();
            Mlt::Properties formats((mlt_properties) consumer->get_data("f"));
//.........这里部分代码省略.........

void EncodeDock::loadPresetFromProperties(Mlt::Properties& preset)
{
    int audioQuality = -1;
    int videoQuality = -1;
    QStringList other;

    ui->disableAudioCheckbox->setChecked(preset.get_int("an"));
    ui->disableVideoCheckbox->setChecked(preset.get_int("vn"));
    m_extension.clear();
    for (int i = 0; i < preset.count(); i++) {
        QString name(preset.get_name(i));
        if (name == "f") {
            for (int i = 0; i < ui->formatCombo->count(); i++)
                if (ui->formatCombo->itemText(i) == preset.get("f")) {
                    ui->formatCombo->blockSignals(true);
                    ui->formatCombo->setCurrentIndex(i);
                    ui->formatCombo->blockSignals(false);
                    break;
                }
        }
        else if (name == "acodec") {
            for (int i = 0; i < ui->audioCodecCombo->count(); i++)
                if (ui->audioCodecCombo->itemText(i) == preset.get("acodec"))
                    ui->audioCodecCombo->setCurrentIndex(i);
            if (ui->audioCodecCombo->currentText() == "libopus")
                // reset libopus to VBR (its default)
                ui->audioRateControlCombo->setCurrentIndex(RateControlQuality);
        }
        else if (name == "vcodec") {
            for (int i = 0; i < ui->videoCodecCombo->count(); i++)
                if (ui->videoCodecCombo->itemText(i) == preset.get("vcodec"))
                    ui->videoCodecCombo->setCurrentIndex(i);
        }
        else if (name == "ar")
            ui->sampleRateCombo->lineEdit()->setText(preset.get("ar"));
        else if (name == "ab")
            ui->audioBitrateCombo->lineEdit()->setText(preset.get("ab"));
        else if (name == "vb") {
            ui->videoRateControlCombo->setCurrentIndex(RateControlAverage);
            ui->videoBitrateCombo->lineEdit()->setText(preset.get("vb"));
        }
        else if (name == "g")
            ui->gopSpinner->setValue(preset.get_int("g"));
        else if (name == "bf")
            ui->bFramesSpinner->setValue(preset.get_int("bf"));
        else if (name == "deinterlace") {
            ui->scanModeCombo->setCurrentIndex(preset.get_int("deinterlace"));
            ui->scanModeCombo->setEnabled(false);
        }
        else if (name == "progressive") {
            ui->scanModeCombo->setCurrentIndex(preset.get_int("progressive"));
            ui->scanModeCombo->setEnabled(false);
        }
        else if (name == "top_field_first") {
            ui->fieldOrderCombo->setCurrentIndex(preset.get_int("top_field_first"));
        }
        else if (name == "width") {
            ui->widthSpinner->setValue(preset.get_int("width"));
            ui->widthSpinner->setEnabled(false);
        }
        else if (name == "height") {
            ui->heightSpinner->setValue(preset.get_int("height"));
            ui->heightSpinner->setEnabled(false);
        }
        else if (name == "aspect") {
            double dar = preset.get_double("aspect");
            switch (int(dar * 100)) {
            case 133:
                ui->aspectNumSpinner->setValue(4);
                ui->aspectDenSpinner->setValue(3);
                break;
            case 177:
                ui->aspectNumSpinner->setValue(16);
                ui->aspectDenSpinner->setValue(9);
                break;
            case 56:
                ui->aspectNumSpinner->setValue(9);
                ui->aspectDenSpinner->setValue(16);
                break;
            default:
                ui->aspectNumSpinner->setValue(dar * 1000);
                ui->aspectDenSpinner->setValue(1000);
                break;
            }
            ui->aspectNumSpinner->setEnabled(false);
            ui->aspectDenSpinner->setEnabled(false);
        }
        else if (name == "r") {
            ui->fpsSpinner->setValue(preset.get_double("r"));
            ui->fpsSpinner->setEnabled(false);
        }
        else if (name == "pix_fmt") {
            QString pix_fmt(preset.get("pix_fmt"));
            if (pix_fmt != "yuv420p")
                other.append(QString("%1=%2").arg(name).arg(pix_fmt));
        }
        else if (name == "pass")
            ui->dualPassCheckbox->setChecked(true);
        else if (name == "aq") {
            ui->audioRateControlCombo->setCurrentIndex(RateControlQuality);
//.........这里部分代码省略.........

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));
    }
}