C++ Filter::get_int方法代码示例

bool EffectManager::enableEffects(const QList <int> &effectIndexes, bool disable, bool rememberState)
{
    int ct = 0;
    bool success = false;
    Mlt::Filter *filter = m_producer.filter(ct);
    while (filter) {
        if (effectIndexes.isEmpty() || effectIndexes.contains(filter->get_int("kdenlive_ix"))) {
            //m_producer.lock();
            if (rememberState) {
                if (disable && filter->get_int("disable") == 0) {
                    filter->set("auto_disable", 1);
                    filter->set("disable", (int) disable);
                } else if (!disable && filter->get_int("auto_disable") == 1) {
                    filter->set("disable", (char*) NULL);
                    filter->set("auto_disable", (char*) NULL);
                }
            } else {
                filter->set("disable", (int) disable);
            }
            success = true;
            //m_producer.unlock();
        }
        delete filter;
        ct++;
        filter = m_producer.filter(ct);
    }
    return success;
}

Frei0rColoradjWidget::Frei0rColoradjWidget(Mlt::Filter filter, bool setDefaults, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Frei0rColoradjWidget),
    m_filter(filter)
{
    ui->setupUi(this);
    ui->keepLumaCheckBox->hide();
    m_defaultAction = 0.5;
    m_defaultLuma = false;
    m_defaultRGB = QColor::fromRgbF(0.5, 0.5, 0.5);
    if (setDefaults) {
        ui->modeComboBox->setCurrentIndex(2 * m_defaultAction);
        ui->keepLumaCheckBox->setChecked(m_defaultLuma);
        ui->wheel->setColor(m_defaultRGB);
        m_filter.set(kParamAction, m_defaultAction);
        m_filter.set(kParamKeepLuma, m_defaultLuma? 1 : 0);
        m_filter.set(kParamRed, m_defaultRGB.redF());
        m_filter.set(kParamGreen, m_defaultRGB.greenF());
        m_filter.set(kParamBlue, m_defaultRGB.blueF());
        ui->preset->saveDefaultPreset(m_filter);
    } else {
        ui->modeComboBox->setCurrentIndex(2 * filter.get_double(kParamAction));
        ui->keepLumaCheckBox->setChecked(filter.get_int(kParamKeepLuma));
        ui->wheel->setColor(QColor::fromRgbF(filter.get_double(kParamRed),
                                             filter.get_double(kParamGreen),
                                             filter.get_double(kParamBlue)));
    }
    ui->preset->loadPresets();
    m_filter.set(kParamLumaFormula,
                 (MLT.profile().colorspace() == 709? kLumaFormula709 : kLumaFormula601));
}

QVariant AttachedFiltersModel::data(const QModelIndex &index, int role) const
{
    if ( !m_producer || !m_producer->is_valid()
        || index.row() >= m_producer->filter_count())
        return QVariant();
    switch (role ) {
    case Qt::DisplayRole: {
            QVariant result;
            Mlt::Filter* filter = filterForRow(index.row());
            if (filter && filter->is_valid()) {
                // Relabel by QML UI
                QmlMetadata* meta = MAIN.filtersDock()->qmlMetadataForService(filter);
                if (meta)
                    result = meta->name();
                // Fallback is raw mlt_service name
                else if (filter->get("mlt_service"))
                    result = QString::fromUtf8(filter->get("mlt_service"));
            }
            // Relabel for widgets UIs
            if (result == "movit.blur" || result == "boxblur")
                result = tr("Blur");
            else if (result == "movit.lift_gamma_gain" || result == "frei0r.coloradj_RGB")
                result = tr("Color Grading");
            else if (result == "crop")
                result = tr("Crop");
            else if (result == "movit.glow" || result == "frei0r.glow")
                result = tr("Glow");
            else if (result == "movit.mirror" || result == "mirror")
                result = tr("Mirror");
            else if (result == "webvfx")
                result = tr("Overlay HTML");
            else if (result == "movit.sharpen" || result == "frei0r.sharpness")
                result = tr("Sharpen");
            else if (result == "movit.white_balance" || result == "frei0r.colgate")
                result = tr("White Balance");
            else if (result == "sox" && filter->get("use_peak"))
                result = tr("Normalize");
            delete filter;
            return result;
        }
    case Qt::CheckStateRole: {
            Mlt::Filter* filter = filterForRow(index.row());
            QVariant result = Qt::Unchecked;
            if (filter && filter->is_valid() && !filter->get_int("disable"))
                result = Qt::Checked;
            delete filter;
            return result;
        }
        break;
    default:
        break;
    }
    return QVariant();
}

bool EffectManager::moveEffect(int oldPos, int newPos)
{
    int ct = 0;
    QList <Mlt::Filter *> filtersList;
    QList <Mlt::Filter *> toDelete;
    Mlt::Filter *filter = m_producer.filter(ct);
    if (newPos > oldPos) {
        bool found = false;
        while (filter) {
            toDelete << filter;
            if (!found && filter->get_int("kdenlive_ix") == oldPos) {
                filter->set("kdenlive_ix", newPos);
                filtersList.append(filter);
                m_producer.detach(*filter);
                filter = m_producer.filter(ct);
                while (filter && filter->get_int("kdenlive_ix") <= newPos) {
                    filter->set("kdenlive_ix", filter->get_int("kdenlive_ix") - 1);
                    ct++;
                    filter = m_producer.filter(ct);
                }
                found = true;
            }
            if (filter && filter->get_int("kdenlive_ix") > newPos) {
                filtersList.append(filter);
                m_producer.detach(*filter);
            } else ct++;
            filter = m_producer.filter(ct);
        }
    } else {
        while (filter) {
            toDelete << filter;
            if (filter->get_int("kdenlive_ix") == oldPos) {
                filter->set("kdenlive_ix", newPos);
                filtersList.append(filter);
                m_producer.detach(*filter);
            } else ct++;
            filter = m_producer.filter(ct);
        }

        ct = 0;
        filter = m_producer.filter(ct);
        while (filter) {
            toDelete << filter;
            int pos = filter->get_int("kdenlive_ix");
            if (pos >= newPos) {
                if (pos < oldPos) filter->set("kdenlive_ix", pos + 1);
                filtersList.append(filter);
                m_producer.detach(*filter);
            } else ct++;
            filter = m_producer.filter(ct);
        }
    }

    for (int i = 0; i < filtersList.count(); ++i) {
        m_producer.attach(*(filtersList.at(i)));
    }
    qDeleteAll(toDelete);
    //TODO: check for success
    return true;
}

bool AttachedFiltersModel::setData(const QModelIndex& index, const QVariant& , int role)
{
    if (role == Qt::CheckStateRole) {
        Mlt::Filter* filter = getFilter(index.row());
        if (filter && filter->is_valid()) {
            filter->set("disable", !filter->get_int("disable"));
            emit changed();
            emit dataChanged(createIndex(index.row(), 0), createIndex(index.row(), 0));
        }
        delete filter;
        return true;
    }
    return false;
}

void AttachedFiltersModel::calculateRows()
{
    m_rows =-0;
    if (MLT.isPlaylist()) return;
    if (m_producer && m_producer->is_valid()) {
        int n = m_producer->filter_count();
        while (n--) {
            Mlt::Filter* filter = m_producer->filter(n);
            if (filter && filter->is_valid() && !filter->get_int("_loader"))
                m_rows++;
            delete filter;
        }
    }
}

bool EffectManager::removeEffect(int effectIndex, bool updateIndex)
{
    m_producer.lock();
    int ct = 0;
    bool success = false;
    Mlt::Filter *filter = m_producer.filter(ct);
    QList <Mlt::Filter *> filters;
    while (filter) {
        filters << filter;
        if ((effectIndex == -1 && strcmp(filter->get("kdenlive_id"), "")) || filter->get_int("kdenlive_ix") == effectIndex) {
            if (m_producer.detach(*filter) == 0) {
                success = true;
            }
        } else if (updateIndex) {
            // Adjust the other effects index
            if (filter->get_int("kdenlive_ix") > effectIndex) filter->set("kdenlive_ix", filter->get_int("kdenlive_ix") - 1);
            ct++;
        } else ct++;
        filter = m_producer.filter(ct);
    }
    m_producer.unlock();
    qDeleteAll(filters);
    return success;
}

QVariant AttachedFiltersModel::data(const QModelIndex &index, int role) const
{
    if ( !m_producer || !m_producer->is_valid()
        || index.row() >= m_producer->filter_count())
        return QVariant();
    switch (role ) {
    case Qt::DisplayRole: {
            QVariant result;
            const QmlMetadata* meta = m_metaList[index.row()];
            if (meta) {
                result = meta->name();
            } else {
                // Fallback is raw mlt_service name
                Mlt::Filter* filter = getFilter(index.row());
                if (filter && filter->is_valid() && filter->get("mlt_service")) {
                    result = QString::fromUtf8(filter->get("mlt_service"));
                }
                delete filter;
            }
            return result;
        }
    case Qt::CheckStateRole: {
            Mlt::Filter* filter = getFilter(index.row());
            QVariant result = Qt::Unchecked;
            if (filter && filter->is_valid() && !filter->get_int("disable"))
                result = Qt::Checked;
            delete filter;
            return result;
        }
        break;
    case TypeDisplayRole: {
            QVariant result;
            const QmlMetadata* meta = m_metaList[index.row()];
            if (meta && meta->isAudio()) {
                result = tr("Audio");
            } else if (meta && meta->needsGPU()) {
                result = tr("GPU");
            } else {
                result = tr("Video");
            }
            return result;
        }
        break;
    default:
        break;
    }
    return QVariant();
}

bool AttachedFiltersModel::setData(const QModelIndex& index, const QVariant& value, int role)
{
    if (role == Qt::CheckStateRole) {
        Mlt::Filter* filter = filterForRow(index.row());
        if (filter && filter->is_valid()) {
            double speed = MLT.producer()->get_speed();
            MLT.pause();
            filter->set("disable", !filter->get_int("disable"));
            MLT.play(speed);
            emit changed();
            emit dataChanged(createIndex(index.row(), 0), createIndex(index.row(), 0));
        }
        delete filter;
        return true;
    }
    return false;
}

void AttachedFiltersModel::reset(Mlt::Producer* producer)
{
    beginResetModel();
    m_event.reset();
    if (producer && producer->is_valid())
        m_producer.reset(new Mlt::Producer(producer));
    else if (MLT.isClip())
        m_producer.reset(new Mlt::Producer(MLT.producer()));
    else
        m_producer.reset();
    m_metaList.clear();
    m_mltIndexMap.clear();

    if (m_producer && m_producer->is_valid()) {
        Mlt::Event* event = m_producer->listen("service-changed", this, (mlt_listener)AttachedFiltersModel::producerChanged);
        m_event.reset(event);
        int count = m_producer->filter_count();
        for (int i = 0; i < count; i++) {
            Mlt::Filter* filter = m_producer->filter(i);
            if (filter && filter->is_valid() && !filter->get_int("_loader")) {
                QmlMetadata* newMeta = MAIN.filterController()->metadataForService(filter);
                int newIndex = m_metaList.count();
                for (int j = newIndex - 1; j >= 0; j--) {
                    const QmlMetadata* prevMeta = m_metaList[j];
                    if (sortIsLess(prevMeta, newMeta)) {
                        newIndex = j;
                    } else {
                        break;
                    }
                }
                m_metaList.insert(newIndex, newMeta);
                m_mltIndexMap.insert(newIndex, i);
            }
            delete filter;
        }
    }

    endResetModel();
    emit trackTitleChanged();
    emit isProducerSelectedChanged();
    emit readyChanged();
}

int AttachedFiltersModel::indexForRow(int row) const
{
    int result = -1;
    if (m_producer && m_producer->is_valid()) {
        int count = m_producer->filter_count();
        int j = 0;
        for (int i = 0; i < count; i++) {
            Mlt::Filter* filter = m_producer->filter(i);
            if (filter && filter->is_valid() && !filter->get_int("_loader")) {
                if (j == row) {
                    result = i;
                    break;
                }
                j++;
            }
            delete filter;
        }
    }
    return result;
}

QVariant AttachedFiltersModel::data(const QModelIndex &index, int role) const
{
    if ( !m_producer || !m_producer->is_valid()
        || index.row() >= m_producer->filter_count())
        return QVariant();
    switch (role ) {
    case Qt::DisplayRole: {
            QVariant result;
            Mlt::Filter* filter = filterForRow(index.row());
            if (filter && filter->is_valid()) {
                // Relabel by QML UI
                QmlMetadata* meta = MAIN.filtersDock()->qmlMetadataForService(filter);
                if (meta)
                    result = meta->name();
                // Fallback is raw mlt_service name
                else if (filter->get("mlt_service"))
                    result = QString::fromUtf8(filter->get("mlt_service"));
            }
            // Relabel for widgets UIs
            if (result == "movit.mirror" || result == "mirror")
                result = tr("Mirror");
            delete filter;
            return result;
        }
    case Qt::CheckStateRole: {
            Mlt::Filter* filter = filterForRow(index.row());
            QVariant result = Qt::Unchecked;
            if (filter && filter->is_valid() && !filter->get_int("disable"))
                result = Qt::Checked;
            delete filter;
            return result;
        }
        break;
    default:
        break;
    }
    return QVariant();
}

bool EffectManager::addEffect(EffectsParameterList params, int duration)
{
    bool updateIndex = false;
    const int filter_ix = params.paramValue(QStringLiteral("kdenlive_ix")).toInt();
    int ct = 0;
    QList <Mlt::Filter *> filters;
    m_producer.lock();
    Mlt::Filter *filter = m_producer.filter(ct);
    while (filter) {
        filters << filter;
        if (filter->get_int("kdenlive_ix") == filter_ix) {
            // A filter at that position already existed, so we will increase all indexes later
            updateIndex = true;
            break;
        }
        ct++;
        filter = m_producer.filter(ct);
    }

    if (params.paramValue(QStringLiteral("id")) == QLatin1String("speed")) {
        // special case, speed effect is not really inserted, we just update the other effects index (kdenlive_ix)
        ct = 0;
        filter = m_producer.filter(ct);
        while (filter) {
            filters << filter;
            if (filter->get_int("kdenlive_ix") >= filter_ix) {
                if (updateIndex) filter->set("kdenlive_ix", filter->get_int("kdenlive_ix") + 1);
            }
            ct++;
            filter = m_producer.filter(ct);
        }
        m_producer.unlock();
        qDeleteAll(filters);
        return true;
    }

    // temporarily remove all effects after insert point
    QList <Mlt::Filter *> filtersList;
    ct = 0;
    filter = m_producer.filter(ct);
    while (filter) {
        if (filter->get_int("kdenlive_ix") >= filter_ix) {
            filtersList.append(filter);
            m_producer.detach(*filter);
        } else ct++;
        filter = m_producer.filter(ct);
    }

    // Add new filter
    bool success = doAddFilter(params, duration);
    // re-add following filters
    for (int i = 0; i < filtersList.count(); ++i) {
        Mlt::Filter *filter = filtersList.at(i);
        if (updateIndex)
            filter->set("kdenlive_ix", filter->get_int("kdenlive_ix") + 1);
        m_producer.attach(*filter);
    }
    m_producer.unlock();
    qDeleteAll(filters);
    qDeleteAll(filtersList);
    return success;
}

bool EffectManager::editEffect(EffectsParameterList params, int duration, bool replaceEffect)
{
    int index = params.paramValue(QStringLiteral("kdenlive_ix")).toInt();
    QString tag =  params.paramValue(QStringLiteral("tag"));

    if (!params.paramValue(QStringLiteral("keyframes")).isEmpty() || replaceEffect || tag.startsWith(QLatin1String("ladspa")) || tag == QLatin1String("sox") || tag == QLatin1String("autotrack_rectangle")) {
        // This is a keyframe effect, to edit it, we remove it and re-add it.
        if (removeEffect(index, false)) {
            return addEffect(params, duration);
        }
    }

    // find filter
    int ct = 0;
    Mlt::Filter *filter = m_producer.filter(ct);
    while (filter) {
        if (filter->get_int("kdenlive_ix") == index) {
            break;
        }
        delete filter;
        ct++;
        filter = m_producer.filter(ct);
    }

    if (!filter) {
        qDebug() << "WARINIG, FILTER FOR EDITING NOT FOUND, ADDING IT! " << index << ", " << tag;
        // filter was not found, it was probably a disabled filter, so add it to the correct place...

        bool success = addEffect(params, duration);
        return success;
    }
    ct = 0;
    QString ser = filter->get("mlt_service");
    QList <Mlt::Filter *> filtersList;
    m_producer.lock();
    if (ser != tag) {
        // Effect service changes, delete effect and re-add it
        m_producer.detach(*filter);
        delete filter;
        // Delete all effects after deleted one
        filter = m_producer.filter(ct);
        while (filter) {
            if (filter->get_int("kdenlive_ix") > index) {
                filtersList.append(filter);
                m_producer.detach(*filter);
            }
            else ct++;
            delete filter;
            filter = m_producer.filter(ct);
        }

        // re-add filter
        doAddFilter(params, duration);
        m_producer.unlock();
        return true;
    }
    if (params.hasParam(QStringLiteral("kdenlive:sync_in_out"))) {
        if (params.paramValue(QStringLiteral("kdenlive:sync_in_out")) == QLatin1String("1")) {
            // This effect must sync in / out with parent clip
            //params.removeParam(QStringLiteral("sync_in_out"));
            Mlt::Producer prod(m_producer);
            filter->set_in_and_out(prod.get_in(), prod.get_out());
        } else {
            // Reset in/out properties
            filter->set("in", (char*)NULL);
            filter->set("out", (char*)NULL);
        }
    }

    for (int j = 0; j < params.count(); ++j) {
        filter->set(params.at(j).name().toUtf8().constData(), params.at(j).value().toUtf8().constData());
    }

    for (int j = 0; j < filtersList.count(); ++j) {
        m_producer.attach(*(filtersList.at(j)));
    }
    qDeleteAll(filtersList);
    m_producer.unlock();
    delete filter;
    return true;
}