C++ phonon::MediaObject类代码示例

QVariantMap TrackListDBusHandler::GetMetadata(int position)
{
    QVariantMap ret;
    if (position < 0 || position > m_tracks.size()-1) {
        return ret;
    }

    //FIXME: ugly and slow
    Phonon::MediaObject mediaObject;
    mediaObject.setCurrentSource(m_tracks[position]);

    QMultiMap<QString, QString> stringMap = mediaObject.metaData();
    QMultiMap<QString, QString>::const_iterator i = stringMap.constBegin();

    while (i != stringMap.constEnd()) {
        bool number = false;
        int value = i.value().toInt(&number);

        //tracknumber always string, according to MPRIS spec
        if (number && (i.key().toLower() != "tracknumber")) {
            ret[i.key().toLower()] = value;
        } else {
            ret[i.key().toLower()] = QVariant(i.value());
        }
        ++i;
    }

    ret["time"] = mediaObject.totalTime()/1000;

    ret["location"] = mediaObject.currentSource().url().toString();
    return ret;
}

void APlayer::setDir(QString path)
{
	old = 0;
	m_media->clear();
	w_folderContents->clear();
	while (QTreeWidgetItem *item = w_folderContents->takeTopLevelItem(0))
	{
		delete item;
	}
	path += "/";
	QDir dir(path);
	QStringList files = dir.entryList(QStringList() << "*.mp3" << "*.ogg" << "*.wav" << "*.wma",
									  QDir::Files | QDir::NoDotAndDotDot,
									  QDir::Name);
	QString f = path + "%2";
	Phonon::MediaObject media;
	foreach (QString file, files)
	{
		QString filepath = f.arg(file);
		media.setCurrentSource(filepath);
		QMap <QString,QString> metaData = media.metaData();
		QStringList metaList;
		metaList << metaData.value("ARTIST")
				 << metaData.value("TITLE")
				 << metaData.value("ALBUM")
				 << metaData.value("DATE");
		qDebug() << metaList;
		if (metaList[0].isEmpty())
			metaList[0] = file;
		QTreeWidgetItem *item = new QTreeWidgetItem(metaList);
		item->setData(0, Qt::UserRole, filepath);
		w_folderContents->addTopLevelItem(item);
	}

int main(int argv, char **args)
{
    QApplication app(argv, args);
    app.setApplicationName("Audio effect tester");

    Phonon::MediaObject *mediaObject = new Phonon::MediaObject;
    mediaObject->setCurrentSource(QString("/home/gvatteka/Music/Lumme-Badloop.ogg"));

    Phonon::AudioOutput *audioOutput =
        new Phonon::AudioOutput(Phonon::MusicCategory);

//! [0]
    QList<Phonon::EffectDescription> effectDescriptions =
            Phonon::BackendCapabilities::availableAudioEffects();
    Phonon::EffectDescription effectDescription = effectDescriptions.at(4);

    Phonon::Path path = Phonon::createPath(mediaObject, audioOutput);

//! [1]
    Phonon::Effect *effect = new Phonon::Effect(effectDescription);
    path.insertEffect(effect);
//! [0]

    Phonon::EffectWidget *effectWidget = new Phonon::EffectWidget(effect);
    effectWidget->show();
//! [1]

    mediaObject->play();

    effectWidget->setWindowTitle("Effect Name: " + effectDescription.name());

    app.exec();
}

void UBGraphicsVideoItemDelegate::updateTicker(qint64 time)
{
    Phonon::MediaObject* media = delegated()->mediaObject();
    mVideoControl->totalTimeChanged(media->totalTime());

    mVideoControl->updateTicker(time);
}

void UBGraphicsVideoItemDelegate::updatePlayPauseState()
{
    Phonon::MediaObject* media = delegated()->mediaObject();

    if (media->state() == Phonon::PlayingState)
        mPlayPauseButton->setFileName(":/images/pause.svg");
    else
        mPlayPauseButton->setFileName(":/images/play.svg");
}

void PlayerManager::seekBack()
{
    Phonon::MediaObject *mediaObject = m_media[m_curOutputPath];
    const qint64 total = mediaObject->totalTime();
    const qint64 newtime = mediaObject->currentTime() - total / 100;
    const qint64 seekTo = qMax(qint64(0), newtime);

    stopCrossfade();
    mediaObject->seek(seekTo);
    emit seeked(seekTo);
}

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    qDebug() << Phonon::BackendCapabilities::availableMimeTypes();
    Phonon::MediaObject *music = Phonon::createPlayer(Phonon::MusicCategory,
                            Phonon::MediaSource("../myPhonon1/mysong.mp3"));
    music->setParent(this);
    music->play();
}

 void VideoWidget::stop()
 {
     Phonon::MediaObject* mo = player->media0bject();
     if (mo->state() == Phonon::PausedState)
     {
         mo->seek(0);
         mo->stop();
     }
     else
     {
         mo->stop();
     }
 }

void SoundEditWidget::playSound()
{
    if (!mHasSound) {
        return;
    }
    Phonon::MediaObject *player = Phonon::createPlayer(Phonon::NotificationCategory);
    QBuffer *soundData = new QBuffer(player);
    soundData->setData(mSound);
    player->setCurrentSource(soundData);
    player->setParent(this);
    connect(player, &Phonon::MediaObject::finished, player, &Phonon::MediaObject::deleteLater);
    player->play();
}

void SoundEditWidget::playSound()
{
  if ( !mHasSound ) {
    return;
  }

#ifndef Q_OS_WINCE
  Phonon::MediaObject* player = Phonon::createPlayer( Phonon::NotificationCategory );
  QBuffer* soundData = new QBuffer( player );
  soundData->setData( mSound );
  player->setCurrentSource( soundData );
  player->setParent( this );
  connect( player, SIGNAL(finished()), player, SLOT(deleteLater()) );
  player->play();
#endif
}

void FindSubtitles::findSubtitles() {
	Phonon::MediaObject * mediaObject = quarkPlayer().currentMediaObject();
	if (mediaObject) {
		Phonon::MediaSource source = mediaObject->currentSource();
		QString fileName(source.fileName());

		static FindSubtitlesWindow * findSubtitlesWindow = NULL;
		if (!findSubtitlesWindow) {
			findSubtitlesWindow = new FindSubtitlesWindow(MainWindowFactory::mainWindow());
			connect(findSubtitlesWindow, SIGNAL(subtitleDownloaded(const QString &)),
				SLOT(loadSubtitle(const QString &)));
		}
		findSubtitlesWindow->setMovieFileName(fileName);
		findSubtitlesWindow->setLanguage(Config::instance().language());
		findSubtitlesWindow->show();
	}
}

void AudioPlayer::playSoundStr(const QString &file) {
	if (aboutToTerminate)
		return;

	for (std::vector<Phonon::MediaObject *>::iterator iter = soundVec.begin();
			iter != soundVec.end(); ++iter) {
		Phonon::MediaObject * prevSoundEffect = (*iter);
		switch (prevSoundEffect->state()) {
		case Phonon::StoppedState:
		case Phonon::PausedState:
			prevSoundEffect->clear();
			prevSoundEffect->setCurrentSource(file);
			prevSoundEffect->play();
			return;
		default:
			break;
		}
	}

	Phonon::MediaObject * soundEffect = Phonon::createPlayer(
			Phonon::MusicCategory, file);
	soundEffect->play();
	soundVec.push_back(soundEffect);
	printDebug(
			"<font color=red><b>Notice: </b></font>AudioPlayer::playSoundStr: creating new MediaObject, current MediaObject count = "
					+ QString::number(static_cast<unsigned>(soundVec.size())));
	return;
}

void Video::getVideoInformation()
{
    QFileInfo fileInfo(videoPath);
    videoName = fileInfo.fileName();

    Phonon::MediaObject mediaObject;
    mediaObject.setCurrentSource(videoPath);
    // TODO: This doesn't work. Media needs to be loaded
    qint64 totalMs = mediaObject.totalTime();
    qint64 totSeconds = totalMs / 1000;
    qint64 seconds = totSeconds % 60;
    qint64 totMinutes = totSeconds / 60;
    qint64 minutes = totMinutes % 60;
    qint64 hours = totMinutes / 60;

    videoTotalTime = QTime(hours, minutes, seconds);
    qDebug() << videoTotalTime;
}

game::MainWindow::MainWindow(QWidget *parent) :
    QWidget(parent),
    m_width(1000),
    m_height(800),
    m_status(false),
    m_frame_count(0),
    m_i(0),
    m_j(0),
    m_next_cell(0),
    m_clock_frame_count(0),
    m_anim_end(false),
    m_clock_start(false),
    m_clock_x_cord(0),
    m_animation_state(false)
{    
    QImage image(".\\res\\back_3.png");
    m_game_width = image.width();
    m_game_height = image.height();
    setFixedSize(m_width, m_height);
    m_click_coords.first = 0;
    m_click_coords.second = 0;
    setWindowFlags( Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint);
    m_area_x0_coordinate = (this->width() - image.width())/2;
    m_area_y0_coordinate = (this->height() - image.height())/2;
    m_r = new game::graphic_engine::game_process(m_area_x0_coordinate, m_area_y0_coordinate, image.width()/*+30*/, image.height()/*+30*/, 57);    
    Phonon::MediaObject* mediaobject = new Phonon::MediaObject(this);
    Phonon::AudioOutput *audio = new Phonon::AudioOutput(this);
    assert(mediaobject != 0);  
    QString filename(".//res//music//Casino Ambiance Music.wav");
    mediaobject->setCurrentSource(filename);
    Phonon::createPath(mediaobject,audio);
    mediaobject->play();
    QPixmap pixmap(".\\res\\background.png");
    QPalette palette;    
    palette.setBrush(/*this->backgroundRole()*/QPalette::Background, QBrush(pixmap));
    this->setPalette(palette);
    m_timer = new QTimer(this);
    m_timer_clock = new QTimer(this);
    connect(m_timer, SIGNAL(timeout()), this, SLOT(animate()));
    connect(m_timer_clock, SIGNAL(timeout()), this, SLOT(animate_clock()));
    m_timer->start(5);
    m_timer_clock->start(60);
}

int main(int argv, char **args)
{
    QApplication app(argv, args);

//![0]
    Phonon::MediaObject *moo = new Phonon::MediaObject;;
    Phonon::AudioOutput *device = new Phonon::AudioOutput;
    Phonon::createPath(moo, device);
    moo->setCurrentSource(QString("/home/gvatteka/Music/Lumme-Badloop.ogg"));

    Phonon::SeekSlider *slider = new Phonon::SeekSlider;
    slider->setMediaObject(moo);

    slider->show();
    moo->play();
//![0]

    app.exec();
}