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| |
| #include "videosettings.h" |
| #include "ui_videosettings.h" |
| |
| #include <QComboBox> |
| #include <QDebug> |
| #include <QMediaRecorder> |
| #include <QMediaService> |
| |
| |
| VideoSettings::VideoSettings(QMediaRecorder *mediaRecorder, QWidget *parent) : |
| QDialog(parent), |
| ui(new Ui::VideoSettingsUi), |
| mediaRecorder(mediaRecorder) |
| { |
| ui->setupUi(this); |
| |
| //audio codecs |
| ui->audioCodecBox->addItem(tr("Default audio codec"), QVariant(QString())); |
| const QStringList supportedAudioCodecs = mediaRecorder->supportedAudioCodecs(); |
| for (const QString &codecName : supportedAudioCodecs) { |
| QString description = mediaRecorder->audioCodecDescription(codecName); |
| ui->audioCodecBox->addItem(codecName + ": " + description, QVariant(codecName)); |
| } |
| |
| //sample rate: |
| const QList<int>supportedAudioSampleRates = mediaRecorder->supportedAudioSampleRates(); |
| for (int sampleRate : supportedAudioSampleRates) |
| ui->audioSampleRateBox->addItem(QString::number(sampleRate), QVariant(sampleRate)); |
| |
| ui->audioQualitySlider->setRange(0, int(QMultimedia::VeryHighQuality)); |
| |
| //video codecs |
| ui->videoCodecBox->addItem(tr("Default video codec"), QVariant(QString())); |
| const QStringList supportedVideoCodecs = mediaRecorder->supportedVideoCodecs(); |
| for (const QString &codecName : supportedVideoCodecs) { |
| QString description = mediaRecorder->videoCodecDescription(codecName); |
| ui->videoCodecBox->addItem(codecName + ": " + description, QVariant(codecName)); |
| } |
| |
| ui->videoQualitySlider->setRange(0, int(QMultimedia::VeryHighQuality)); |
| |
| |
| ui->videoResolutionBox->addItem(tr("Default")); |
| const QList<QSize> supportedResolutions = mediaRecorder->supportedResolutions(); |
| for (const QSize &resolution : supportedResolutions) { |
| ui->videoResolutionBox->addItem(QString("%1x%2").arg(resolution.width()).arg(resolution.height()), |
| QVariant(resolution)); |
| } |
| |
| ui->videoFramerateBox->addItem(tr("Default")); |
| const QList<qreal> supportedFrameRates = mediaRecorder->supportedFrameRates(); |
| for (qreal rate : supportedFrameRates) { |
| QString rateString = QString("%1").arg(rate, 0, 'f', 2); |
| ui->videoFramerateBox->addItem(rateString, QVariant(rate)); |
| } |
| |
| //containers |
| ui->containerFormatBox->addItem(tr("Default container"), QVariant(QString())); |
| const QStringList formats = mediaRecorder->supportedContainers(); |
| for (const QString &format : formats) { |
| ui->containerFormatBox->addItem(format + ": " + mediaRecorder->containerDescription(format), |
| QVariant(format)); |
| } |
| } |
| |
| VideoSettings::~VideoSettings() |
| { |
| delete ui; |
| } |
| |
| void VideoSettings::changeEvent(QEvent *e) |
| { |
| QDialog::changeEvent(e); |
| switch (e->type()) { |
| case QEvent::LanguageChange: |
| ui->retranslateUi(this); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| QAudioEncoderSettings VideoSettings::audioSettings() const |
| { |
| QAudioEncoderSettings settings = mediaRecorder->audioSettings(); |
| settings.setCodec(boxValue(ui->audioCodecBox).toString()); |
| settings.setQuality(QMultimedia::EncodingQuality(ui->audioQualitySlider->value())); |
| settings.setSampleRate(boxValue(ui->audioSampleRateBox).toInt()); |
| return settings; |
| } |
| |
| void VideoSettings::setAudioSettings(const QAudioEncoderSettings &audioSettings) |
| { |
| selectComboBoxItem(ui->audioCodecBox, QVariant(audioSettings.codec())); |
| selectComboBoxItem(ui->audioSampleRateBox, QVariant(audioSettings.sampleRate())); |
| ui->audioQualitySlider->setValue(audioSettings.quality()); |
| } |
| |
| QVideoEncoderSettings VideoSettings::videoSettings() const |
| { |
| QVideoEncoderSettings settings = mediaRecorder->videoSettings(); |
| settings.setCodec(boxValue(ui->videoCodecBox).toString()); |
| settings.setQuality(QMultimedia::EncodingQuality(ui->videoQualitySlider->value())); |
| settings.setResolution(boxValue(ui->videoResolutionBox).toSize()); |
| settings.setFrameRate(boxValue(ui->videoFramerateBox).value<qreal>()); |
| |
| return settings; |
| } |
| |
| void VideoSettings::setVideoSettings(const QVideoEncoderSettings &videoSettings) |
| { |
| selectComboBoxItem(ui->videoCodecBox, QVariant(videoSettings.codec())); |
| selectComboBoxItem(ui->videoResolutionBox, QVariant(videoSettings.resolution())); |
| ui->videoQualitySlider->setValue(videoSettings.quality()); |
| |
| //special case for frame rate |
| for (int i = 0; i < ui->videoFramerateBox->count(); ++i) { |
| qreal itemRate = ui->videoFramerateBox->itemData(i).value<qreal>(); |
| if (qFuzzyCompare(itemRate, videoSettings.frameRate())) { |
| ui->videoFramerateBox->setCurrentIndex(i); |
| break; |
| } |
| } |
| } |
| |
| QString VideoSettings::format() const |
| { |
| return boxValue(ui->containerFormatBox).toString(); |
| } |
| |
| void VideoSettings::setFormat(const QString &format) |
| { |
| selectComboBoxItem(ui->containerFormatBox, QVariant(format)); |
| } |
| |
| QVariant VideoSettings::boxValue(const QComboBox *box) const |
| { |
| int idx = box->currentIndex(); |
| if (idx == -1) |
| return QVariant(); |
| |
| return box->itemData(idx); |
| } |
| |
| void VideoSettings::selectComboBoxItem(QComboBox *box, const QVariant &value) |
| { |
| for (int i = 0; i < box->count(); ++i) { |
| if (box->itemData(i) == value) { |
| box->setCurrentIndex(i); |
| break; |
| } |
| } |
| } |