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//! [0]

PushStream::PushStream(QObject *parent)

  : AbstractMediaStream(parent), m_timer(new QTimer(this))

{

  setStreamSize(getMediaStreamSize());

  connect(m_timer, SIGNAL(timeout()), SLOT(moreData()));

  m_timer->setInterval(0);

}

void PushStream::moreData()

{

  const QByteArray data = getMediaData();

  if (data.isEmpty()) {

    endOfData();

  } else {

    writeData(data);

  }

}

void PushStream::needData()

{

  m_timer->start();

  moreData();

}

void PushStream::enoughData()

{

  m_timer->stop();

}

//! [0]

//! [1]

PullStream::PullStream(QObject *parent)

  : AbstractMediaStream(parent)

{

  setStreamSize(getMediaStreamSize());

}

void PullStream::needData()

{

  const QByteArray data = getMediaData();

  if (data.isEmpty()) {

    endOfData();

  } else {

    writeData(data);

  }

}

//! [1]

//! [2]

seekStream(0);

//! [2]

//! [3]

MediaObject m;

QString fileName("/home/foo/bar.ogg");

QUrl url("http://www.example.com/stream.mp3");

QBuffer *someBuffer;

m.setCurrentSource(fileName);

m.setCurrentSource(url);

m.setCurrentSource(someBuffer);

m.setCurrentSource(Phonon::Cd);

//! [3]

//! [4]

VideoPlayer *player = new VideoPlayer(Phonon::VideoCategory, parentWidget);

connect(player, SIGNAL(finished()), player, SLOT(deleteLater()));

player->play(url);

//! [4]

//! [5]

audioPlayer->load(url);

audioPlayer->play();

//! [5]

//! [6]

media = new MediaObject(this);

connect(media, SIGNAL(finished()), SLOT(slotFinished());

media->setCurrentSource("/home/username/music/filename.ogg");

...

media->play();

//! [6]

//! [7]

media->setCurrentSource(":/sounds/startsound.ogg");

media->enqueue("/home/username/music/song.mp3");

media->enqueue(":/sounds/endsound.ogg");

//! [7]

//! [8]

  media->setCurrentSource(":/sounds/startsound.ogg");

  connect(media, SIGNAL(aboutToFinish()), SLOT(enqueueNextSource()));

}

void enqueueNextSource()

{

  media->enqueue("/home/username/music/song.mp3");

}

//! [8]

//! [9]

int x = 200;

media->setTickInterval(x);

Q_ASSERT(x == producer->tickInterval());

//! [9]

//! [10]

int x = 200;

media->setTickInterval(x);

Q_ASSERT(x >= producer->tickInterval() &&

         x <= 2producer->tickInterval());

//! [10]

//! [11]

  connect(media, SIGNAL(hasVideoChanged(bool)), hasVideoChanged(bool));

  media->setCurrentSource("somevideo.avi");

  media->hasVideo(); // returns false;

}

void hasVideoChanged(bool b)

{

  // b == true

  media->hasVideo(); // returns true;

}

//! [11]

//! [12]

  connect(media, SIGNAL(hasVideoChanged(bool)), hasVideoChanged(bool));

  media->setCurrentSource("somevideo.avi");

  media->hasVideo(); // returns false;

}

void hasVideoChanged(bool b)

{

  // b == true

  media->hasVideo(); // returns true;

}

//! [12]

//! [13]

setMetaArtist(media->metaData("ARTIST"));

setMetaAlbum(media->metaData("ALBUM"));

setMetaTitle(media->metaData("TITLE"));

setMetaDate(media->metaData("DATE"));

setMetaGenre(media->metaData("GENRE"));

setMetaTrack(media->metaData("TRACKNUMBER"));

setMetaComment(media->metaData("DESCRIPTION"));

//! [13]

//! [14]

QUrl url("http://www.example.com/music.ogg");

media->setCurrentSource(url);

//! [14]

//! [15]

progressBar->setRange(0, 100); // this is the default

connect(media, SIGNAL(bufferStatus(int)), progressBar, SLOT(setValue(int)));

//! [15]

//! [16]

QObject::connect(BackendCapabilities::notifier(), SIGNAL(capabilitiesChanged()), ...

//! [16]

//! [17]

QComboBox *cb = new QComboBox(parentWidget);

ObjectDescriptionModel *model = new ObjectDescriptionModel(cb);

model->setModelData(BackendCapabilities::availableAudioOutputDevices());

cb->setModel(model);

cb->setCurrentIndex(0); // select first entry

//! [17]

//! [18]

int cbIndex = cb->currentIndex();

AudioOutputDevice selectedDevice = model->modelData(cbIndex);

//! [18]

//! [19]

Path path = Phonon::createPath(...);

Effect *effect = new Effect(this);

path.insertEffect(effect);

//! [19]

//! [20]

MediaObject *media = new MediaObject;

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

Path path = Phonon::createPath(media, output);

Q_ASSERT(path.isValid()); // for this simple case the path should always be

                          //valid - there are unit tests to ensure it

// insert an effect

QList<EffectDescription> effectList = BackendCapabilities::availableAudioEffects();

if (!effectList.isEmpty()) {

    Effect *effect = path.insertEffect(effectList.first());

}

//! [20]

//! [21]

MediaObject *media = new MediaObject(parent);

VideoWidget *vwidget = new VideoWidget(parent);

Phonon::createPath(media, vwidget);

//! [21]