C++ Properties::get_double方法代码示例

void PlasmaWidget::loadPreset(Mlt::Properties& p)
{
    ui->speed1Spinner->setValue(p.get_double(kParamSpeed1));
    ui->speed2Spinner->setValue(p.get_double(kParamSpeed2));
    ui->speed3Spinner->setValue(p.get_double(kParamSpeed3));
    ui->speed4Spinner->setValue(p.get_double(kParamSpeed4));
    ui->move1Spinner->setValue(p.get_double(kParamMove1));
    ui->move2Spinner->setValue(p.get_double(kParamMove2));
}

void Video4LinuxWidget::loadPreset(Mlt::Properties& p)
{
    ui->v4lLineEdit->setText(p.get("device"));
    ui->v4lWidthSpinBox->setValue(p.get_int("width"));
    ui->v4lHeightSpinBox->setValue(p.get_int("height"));
    ui->v4lFramerateSpinBox->setValue(p.get_double("framerate"));
    QString s(p.get("standard"));
    for (int i = 0; i < ui->v4lStandardCombo->count(); i++) {
        if (ui->v4lStandardCombo->itemText(i) == s) {
            ui->v4lStandardCombo->setCurrentIndex(i);
            break;
        }
    }
    ui->v4lChannelSpinBox->setValue(p.get_int("channel"));
    ui->v4lAudioComboBox->setCurrentIndex(p.get_int("audio_ix"));
    on_v4lAudioComboBox_activated(p.get_int("audio_ix"));
}

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 IsingWidget::loadPreset(Mlt::Properties& p)
{
    ui->tempSpinner->setValue(p.get_double(kParamTemperature));
    ui->borderGrowthSpinner->setValue(p.get_double(kParamBorderGrowth));
    ui->spontGrowthSpinner->setValue(p.get_double(kParamSpontaneous));
}