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C++ mlt::Producer类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中mlt::Producer类的典型用法代码示例。如果您正苦于以下问题：C++ Producer类的具体用法？C++ Producer怎么用？C++ Producer使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了Producer类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: duplicateFilters

void BinController::duplicateFilters(Mlt::Producer original, Mlt::Producer clone)
{
    Mlt::Service clipService(original.get_service());
    Mlt::Service dupService(clone.get_service());
    //delete original;
    //delete clone;
    int ct = 0;
    Mlt::Filter *filter = clipService.filter(ct);
    while (filter) {
        // Only duplicate Kdenlive filters, and skip the fade in effects
        //fprintf(stderr, "CHKNG FILTER: %s\n", filter->get("kdenlive_id"));
        if (filter->is_valid()/* && strcmp(filter->get("kdenlive_id"), "") && strcmp(filter->get("kdenlive_id"), "fadein") && strcmp(filter->get("kdenlive_id"), "fade_from_black")*/) {
            // looks like there is no easy way to duplicate a filter,
            // so we will create a new one and duplicate its properties
            Mlt::Filter *dup = new Mlt::Filter(*original.profile(), filter->get("mlt_service"));
            if (dup && dup->is_valid()) {
                Mlt::Properties entries(filter->get_properties());
                for (int i = 0; i < entries.count(); ++i) {
                    dup->set(entries.get_name(i), entries.get(i));
                }
                dupService.attach(*dup);
            }
        }
        ct++;
        filter = clipService.filter(ct);
    }
}
开发者ID:dreamsxin，项目名称:kdenlive，代码行数:27，代码来源:bincontroller.cpp


示例2: newProducer

Mlt::Producer* JackProducerWidget::newProducer(Mlt::Profile& profile)
{
    Mlt::Producer* p = new Mlt::Producer(profile, "jack:Shotcut");
    p->set(kBackgroundCaptureProperty, 1);
    p->set(kShotcutCaptionProperty, "JACK");
    return p;
}
开发者ID:bmatherly，项目名称:shotcut，代码行数:7，代码来源:jackproducerwidget.cpp


示例3: create

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);
}
开发者ID:mcfrisk，项目名称:kdenlive，代码行数:27，代码来源:westleypreview.cpp


示例4: producer

Mlt::Producer* IsingWidget::producer(Mlt::Profile& profile)
{
    Mlt::Producer* p = new Mlt::Producer(profile, "frei0r.ising0r");
    p->set(kParamTemperature, ui->tempSpinner->text().toLatin1().constData());
    p->set(kParamBorderGrowth, ui->borderGrowthSpinner->text().toLatin1().constData());
    p->set(kParamSpontaneous, ui->spontGrowthSpinner->text().toLatin1().constData());
    return p;
}
开发者ID:AresDice，项目名称:shotcut，代码行数:8，代码来源:isingwidget.cpp


示例5: producer

Mlt::Producer* DecklinkProducerWidget::producer(Mlt::Profile& profile)
{
    Mlt::Producer* p = new Mlt::Producer(profile,
        QString("consumer:decklink:%1").arg(ui->deviceCombo->currentIndex()).toAscii().constData());
    if (p->is_valid())
        p->set("profile", ui->profileCombo->itemData(ui->profileCombo->currentIndex()).toString().toAscii().constData());
    return p;
}
开发者ID:eddrog，项目名称:shotcut，代码行数:8，代码来源:decklinkproducerwidget.cpp


示例6: selectTrackHead

void TimelineDock::selectTrackHead(int trackIndex)
{
    if (trackIndex >= 0) {
        int i = m_model.trackList().at(trackIndex).mlt_index;
        Mlt::Producer* producer = m_model.tractor()->track(i);
        if (producer && producer->is_valid())
            emit trackSelected(producer);
        delete producer;
    }
}
开发者ID:EdKeith，项目名称:shotcut，代码行数:10，代码来源:timelinedock.cpp


示例7: on_durationSpinBox_editingFinished

void ImageProducerWidget::on_durationSpinBox_editingFinished()
{
    if (!m_producer)
        return;
    if (ui->durationSpinBox->value() == m_producer->get_out() + 1)
        return;
    Mlt::Producer* p = producer(MLT.profile());
    p->pass_list(*m_producer, "force_aspect_ratio, shotcut_aspect_num, shotcut_aspect_den,"
        "shotcut_resource, resource, ttl, shotcut_sequence");
    reopen(p);
}
开发者ID:gandalfliang，项目名称:shotcut，代码行数:11，代码来源:imageproducerwidget.cpp


示例8: openClip

void TimelineDock::openClip(int trackIndex, int clipIndex)
{
    Q_ASSERT(trackIndex >= 0 && clipIndex >= 0);
    QScopedPointer<Mlt::ClipInfo> info(getClipInfo(trackIndex, clipIndex));
    if (info) {
        QString xml = MLT.XML(info->producer);
        Mlt::Producer* p = new Mlt::Producer(MLT.profile(), "xml-string", xml.toUtf8().constData());
        p->set_in_and_out(info->frame_in, info->frame_out);
        emit clipOpened(p);
    }
}
开发者ID:EdKeith，项目名称:shotcut，代码行数:11，代码来源:timelinedock.cpp


示例9: undo

void ClearCommand::undo()
{
    m_model.close();
    Mlt::Producer* producer = new Mlt::Producer(MLT.profile(), "xml-string", m_xml.toUtf8().constData());
    if (producer->is_valid()) {
        producer->set("resource", "<playlist>");
        MAIN.open(producer);
        MLT.pause();
        MAIN.seekPlaylist(0);
    }
}
开发者ID:AresDice，项目名称:shotcut，代码行数:11，代码来源:playlistcommands.cpp


示例10: producer

Mlt::Producer* PlasmaWidget::producer(Mlt::Profile& profile)
{
    Mlt::Producer* p = new Mlt::Producer(profile, "frei0r.plasma");
    p->set(kParamSpeed1, ui->speed1Spinner->text().toAscii().constData());
    p->set(kParamSpeed2, ui->speed2Spinner->text().toAscii().constData());
    p->set(kParamSpeed3, ui->speed3Spinner->text().toAscii().constData());
    p->set(kParamSpeed4, ui->speed4Spinner->text().toAscii().constData());
    p->set(kParamMove1, ui->move1Spinner->text().toAscii().constData());
    p->set(kParamMove2, ui->move2Spinner->text().toAscii().constData());
    return p;
}
开发者ID:GNUmedia，项目名称:shotcut，代码行数:11，代码来源:plasmawidget.cpp


示例11: 

QMimeData *PlaylistModel::mimeData(const QModelIndexList &indexes) const
{
    QMimeData *mimeData = new QMimeData;
    Mlt::ClipInfo* info = m_playlist->clip_info(indexes.first().row());
    if (info) {
        Mlt::Producer* producer = info->producer;
        producer->set_in_and_out(info->frame_in, info->frame_out);
        mimeData->setData(Mlt::XmlMimeType, MLT.saveXML("string", producer).toUtf8());
        producer->set_in_and_out(0, -1);
        delete info;
    }
    return mimeData;
}
开发者ID:gandalfliang，项目名称:shotcut，代码行数:13，代码来源:playlistmodel.cpp


示例12: cacheKey

QString ThumbnailProvider::cacheKey(Mlt::Producer& producer, int frameNumber)
{
    QString time = producer.frames_to_time(frameNumber, mlt_time_clock);
    // Reduce the precision to centiseconds to increase chance for cache hit
    // without much loss of accuracy.
    time = time.left(time.size() - 1);
    QString key = QString("%1 %2")
            .arg(producer.get("resource"))
            .arg(time);
    QCryptographicHash hash(QCryptographicHash::Sha1);
    hash.addData(key.toUtf8());
    return hash.result().toHex();
}
开发者ID:AresDice，项目名称:shotcut，代码行数:13，代码来源:thumbnailprovider.cpp


示例13: on_sequenceCheckBox_clicked

void ImageProducerWidget::on_sequenceCheckBox_clicked(bool checked)
{
    QString resource = m_producer->get("resource");
    ui->repeatSpinBox->setEnabled(checked);
    if (checked && !m_producer->get(kShotcutResourceProperty))
        m_producer->set(kShotcutResourceProperty, resource.toUtf8().constData());
    m_producer->set(kShotcutSequenceProperty, checked);
    m_producer->set("ttl", ui->repeatSpinBox->value());
    if (checked) {
        QFileInfo info(resource);
        QString name(info.fileName());
        QString begin = "";
        int i = name.length();
        int count = 0;

        // find the last numeric digit
        for (; i && !name[i - 1].isDigit(); i--) {};
        // count the digits and build the begin value
        for (; i && name[i - 1].isDigit(); i--, count++)
            begin.prepend(name[i - 1]);
        if (count) {
            m_producer->set("begin", begin.toLatin1().constData());
            int j = begin.toInt();
            name.replace(i, count, begin.prepend('%').append('d'));
            resource = info.path() + "/" + name;
            m_producer->set("resource", resource.toUtf8().constData());

            // Count the number of consecutive files.
            MAIN.showStatusMessage(tr("Getting length of image sequence..."));
            name = info.fileName();
            name.replace(i, count, "%1");
            resource = info.path().append('/').append(name);
            for (i = j; QFile::exists(resource.arg(i, count, 10, QChar('0'))); ++i);
            i -= j;
            m_producer->set("length", i);
            ui->durationSpinBox->setValue(i);
            MAIN.showStatusMessage(tr("Reloading image sequence..."));
        }
    }
    else {
        m_producer->set("resource", m_producer->get(kShotcutResourceProperty));
        m_producer->set("length", qRound(MLT.profile().fps() * 600));
        ui->durationSpinBox->setValue(qRound(MLT.profile().fps() * Settings.imageDuration()));
    }
    Mlt::Producer* p = producer(MLT.profile());
    p->pass_list(*m_producer, "force_aspect_ratio,"
        kAspectRatioNumerator "," kAspectRatioDenominator ","
        kShotcutResourceProperty ", resource, ttl, length," kShotcutSequenceProperty);
    reopen(p);
}
开发者ID:cybercircuits，项目名称:shotcut，代码行数:50，代码来源:imageproducerwidget.cpp


示例14: newProducer

Mlt::Producer* AlsaWidget::newProducer(Mlt::Profile& profile)
{
    QString s("alsa:%1");
    if (ui->lineEdit->text().isEmpty())
        s = s.arg("default");
    else
        s = s.arg(ui->lineEdit->text());
    if (ui->alsaChannelsSpinBox->value() > 0)
        s += QString("?channels=%1").arg(ui->alsaChannelsSpinBox->value());
    Mlt::Producer* p = new Mlt::Producer(profile, s.toUtf8().constData());
    p->set(kBackgroundCaptureProperty, 1);
    p->set(kShotcutCaptionProperty, "ALSA");
    return p;
}
开发者ID:bmatherly，项目名称:shotcut，代码行数:14，代码来源:alsawidget.cpp


示例15: getBinProducer

Mlt::Producer *BinController::getBinVideoProducer(const QString &id)
{
    QString videoId = id + "_video";
    if (!m_extraClipList.contains(videoId)) {
        // create clone
        QString originalId = id.section(QStringLiteral("_"), 0, 0);
        Mlt::Producer *original = getBinProducer(originalId);
        Mlt::Producer *videoOnly = cloneProducer(*original);
        videoOnly->set("audio_index", -1);
        videoOnly->set("id", videoId.toUtf8().constData());
        m_extraClipList.insert(videoId, videoOnly);
        return videoOnly;
    }
    return m_extraClipList.value(videoId);
}
开发者ID:dreamsxin，项目名称:kdenlive，代码行数:15，代码来源:bincontroller.cpp


示例16: QObject

ClipController::ClipController(BinController *bincontroller, Mlt::Producer& producer) : QObject()
    , selectedEffectIndex(1)
    , audioThumbCreated(false)
    , m_properties(new Mlt::Properties(producer.get_properties()))
    , m_usesProxy(false)
    , m_audioInfo(NULL)
    , m_audioIndex(0)
    , m_videoIndex(0)
    , m_clipType(Unknown)
    , m_hasLimitedDuration(true)
    , m_binController(bincontroller)
    , m_snapMarkers(QList < CommentedTime >())
{
    m_masterProducer = &producer;
    if (!m_masterProducer->is_valid()) {
        qDebug()<<"// WARNING, USING INVALID PRODUCER";
        return;
    }
    else {
        QString proxy = m_properties->get("kdenlive:proxy");
        if (proxy.length() > 2) {
            // This is a proxy producer, read original url from kdenlive property
            QString path = m_properties->get("kdenlive:originalurl");
            if (!path.startsWith(QLatin1String("/"))) {
                path.prepend(bincontroller->documentRoot());
            }
            m_url = QUrl::fromLocalFile(path);
            m_usesProxy = true;
        }
        else m_url = QUrl::fromLocalFile(m_properties->get("resource"));
        m_service = m_properties->get("mlt_service");
        getInfoForProducer();
    }
}
开发者ID:KDE，项目名称:kdenlive，代码行数:34，代码来源:clipcontroller.cpp


示例17: makeThumbnail

QImage ThumbnailProvider::makeThumbnail(Mlt::Producer &producer, int frameNumber, const QSize& requestedSize)
{
    Mlt::Filter scaler(MLT.profile(), "swscale");
    Mlt::Filter converter(MLT.profile(), "avcolor_space");
    int height = PlaylistModel::THUMBNAIL_HEIGHT * 2;
    int width = height * MLT.profile().dar();

    if (!requestedSize.isEmpty()) {
        width = requestedSize.width();
        height = requestedSize.height();
    }

    producer.attach(scaler);
    producer.attach(converter);
    return MLT.image(producer, frameNumber, width, height);
}
开发者ID:AresDice，项目名称:shotcut，代码行数:16，代码来源:thumbnailprovider.cpp


示例18: resource

QString Controller::resource() const
{
    QString resource;
    if (!m_producer)
        return resource;
    resource = QString(m_producer->get("resource"));
    if (m_producer->type() == tractor_type) {
        Mlt::Tractor tractor((mlt_tractor) m_producer->get_service());
        Mlt::Multitrack* multitrack = tractor.multitrack();
        if (multitrack->is_valid()) {
            Mlt::Producer* producer = multitrack->track(0);
            if (producer->is_valid())
                resource = QString(producer->get("resource"));
            delete producer;
        }
        delete multitrack;
    }
    return resource;
}
开发者ID:GNUmedia，项目名称:shotcut，代码行数:19，代码来源:mltcontroller.cpp


示例19: producer

Mlt::Producer* ColorBarsWidget::producer(Mlt::Profile& profile)
{
    Mlt::Producer* p = new Mlt::Producer(profile, "frei0r.test_pat_B");
    p->set(kParamType, ui->comboBox->currentIndex());
    if (profile.sample_aspect_num() == 16 && profile.sample_aspect_den() == 15)
        p->set(kParamAspect, map_value_backward(ASPECT_PAL, 0, 6.9999));
    else if (profile.sample_aspect_num() == 64 && profile.sample_aspect_den() == 45)
        p->set(kParamAspect, map_value_backward(ASPECT_PAL_WIDE, 0, 6.9999));
    else if (profile.sample_aspect_num() == 8 && profile.sample_aspect_den() == 9)
        p->set(kParamAspect, map_value_backward(ASPECT_NTSC, 0, 6.9999));
    else if (profile.sample_aspect_num() == 32 && profile.sample_aspect_den() == 27)
        p->set(kParamAspect, map_value_backward(ASPECT_NTSC_WIDE, 0, 6.9999));
    else if (profile.sample_aspect_num() == 4 && profile.sample_aspect_den() == 3)
        p->set(kParamAspect, map_value_backward(ASPECT_HDV, 0, 6.9999));
    p->set(kShotcutCaptionProperty, ui->comboBox->currentText().toUtf8().constData());
    p->set(kShotcutDetailProperty, ui->comboBox->currentText().toUtf8().constData());
    return p;
}
开发者ID:Sunderland93，项目名称:shotcut，代码行数:18，代码来源:colorbarswidget.cpp


示例20: getProducerXML

QString BinController::getProducerXML(Mlt::Producer &producer)
{
    QString filename = QStringLiteral("string");
    Mlt::Consumer c(*producer.profile(), "xml", filename.toUtf8().constData());
    Mlt::Service s(producer.get_service());
    if (!s.is_valid())
        return QLatin1String("");
    int ignore = s.get_int("ignore_points");
    if (ignore)
        s.set("ignore_points", 0);
    c.set("time_format", "frames");
    c.set("no_meta", 1);
    c.set("store", "kdenlive");
    if (filename != QLatin1String("string")) {
        c.set("no_root", 1);
        c.set("root", QFileInfo(filename).absolutePath().toUtf8().constData());
    }
    c.connect(s);
    c.start();
    if (ignore)
        s.set("ignore_points", ignore);
    return QString::fromUtf8(c.get(filename.toUtf8().constData()));
}
开发者ID:dreamsxin，项目名称:kdenlive，代码行数:23，代码来源:bincontroller.cpp



注：本文中的mlt::Producer类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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