C++ MediaObject::setCurrentSource方法代码示例

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;
}

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;
}

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 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);
	}

void PlayerManager::play(const FileHandle &file)
{
    if(!m_setup)
        setup();

    if(!m_media[0] || !m_media[1] || !m_playlistInterface)
        return;

    stopCrossfade();

    // The "currently playing" media object.
    Phonon::MediaObject *mediaObject = m_media[m_curOutputPath];
    
    if(file.isNull()) {
        if(paused())
            mediaObject->play();
        else if(playing()) {
            mediaObject->seek(0);
            emit seeked(0);
        }
        else {
            m_playlistInterface->playNext();
            m_file = m_playlistInterface->currentFile();

            if(!m_file.isNull())
            {
                mediaObject->setCurrentSource(KUrl::fromPath(m_file.absFilePath()));
                mediaObject->play();

                emit signalItemChanged(m_file);
            }
        }
    }
    else {
        mediaObject->setCurrentSource(KUrl::fromPath(file.absFilePath()));
        mediaObject->play();

        if(m_file != file)
            emit signalItemChanged(file);

        m_file = file;
    }

    // Our state changed handler will perform the follow up actions necessary
    // once we actually start playing.
}

void AudioOutputPrivate::reset()
{
    if ( m_output ) {
        m_output->stop();
        m_output->setCurrentSource( Phonon::MediaSource() );
        m_output->clearQueue();
    }

    m_voiceNavigation.reset();
}

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();
}

int main(int argc, char** argv)
{
    QCoreApplication app(argc, argv);
    app.setApplicationName("Flush");
    QStringList args=app.arguments();
    args.removeFirst();
    QString appl=args.at(0);
    args.removeFirst();
    QProcess p;
    p.setProcessChannelMode(QProcess::ForwardedChannels);
    p.start(appl,args);
    p.waitForFinished(-1);
    Phonon::MediaObject *mediaObject = new Phonon::MediaObject();
    Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory);
    Phonon::createPath(mediaObject, audioOutput);
    if(p.exitCode()==0)
      mediaObject->setCurrentSource(Phonon::MediaSource(":/flush.ogg"));
    else
      mediaObject->setCurrentSource(Phonon::MediaSource(":/sadtrombone.ogg"));
    mediaObject->play();
    QObject::connect(mediaObject,SIGNAL(finished()),&app,SLOT(quit()));
    return app.exec();
}

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 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;
}

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();
}

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);
    app.setApplicationName("Volume slider tester");

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

//! [0]
    Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory);
    Phonon::createPath(mediaObject, audioOutput);

    Phonon::VolumeSlider *volumeSlider = new Phonon::VolumeSlider;
    volumeSlider->setAudioOutput(audioOutput);
//! [0]

    mediaObject->play();
    
    volumeSlider->show();

    return app.exec();
}

void LayerSound::loadSoundAtFrame(QString filePathString, int frameNumber)
{
//	if (getIndexAtFrame(frameNumber) == -1) addImageAtFrame(frameNumber);
    int index = getIndexAtFrame(frameNumber);
    if (index == -1)
        addImageAtFrame(frameNumber);
    index = getIndexAtFrame(frameNumber);

    QFileInfo fi(filePathString);
    if (fi.exists())
    {
//		sound[index] = new QSound(filePathString, NULL);
        Phonon::MediaObject* media = new Phonon::MediaObject();
        connect(media, SIGNAL(totalTimeChanged(qint64)), this, SLOT(addTimelineKey(qint64)));
        media->setCurrentSource(filePathString);
        // quick and dirty trick to calculate soundSize
        // totalTime() return a value only after a call to media.play()
        //  ( and when signal totaltimechanged is emitted totalTime() returns the correct value )
        Phonon::AudioOutput* audioOutput;
        audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
        Phonon::createPath(media, audioOutput);
        media->play();
        media->stop();
        soundSize[index] = media->totalTime(); // totalTime() returns 0 now
        sound[index] = media;
        soundFilepath[index] = filePathString;
        framesFilename[index] = fi.fileName();
        framesModified[index] = true;
    }
    else
    {
        sound[index] = NULL;
        soundFilepath[index] = "Wrong file";
        framesFilename[index] = "Wrong file" + filePathString;
    }
}

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    Phonon::MediaObject *mediaObject = new Phonon::MediaObject(this);
    mediaObject->setCurrentSource(Phonon::MediaSource("../myPhonon1/mysong.mp3"));
    Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
    Phonon::Path path = Phonon::createPath(mediaObject, audioOutput);
    mediaObject->play();

    // 获取可用的音频效果的描述
    QList<Phonon::EffectDescription> effectDescriptions =
                Phonon::BackendCapabilities::availableAudioEffects();
    qDebug() << effectDescriptions;
    Phonon::EffectDescription effectDescription = effectDescriptions.at(5);
    // 使用指定的音频效果的描述来创建音频效果
    Phonon::Effect *effect = new Phonon::Effect(effectDescription);
    // 在路径中插入音频效果
    path.insertEffect(effect);
    // 创建效果部件，它可以用来更改效果中的参数
    Phonon::EffectWidget *effectWidget = new Phonon::EffectWidget(effect);
    effectWidget->show();
}