private static void PlaySong(Song song)
{
#if WINDOWS_MEDIA_ENGINE
_mediaEngineEx.Source = song.FilePath;
_mediaEngineEx.Load();
_mediaEngineEx.Play();
#elif WINDOWS_MEDIA_SESSION
// Cleanup the last song first.
if (State != MediaState.Stopped)
{
_session.Stop();
_volumeController.Dispose();
_clock.Dispose();
}
// Set the new song.
_session.SetTopology(0, song.GetTopology());
// Get the volume interface.
IntPtr volumeObj;
try
{
MediaFactory.GetService(_session, MRPolicyVolumeService, SimpleAudioVolumeGuid, out volumeObj);
}
catch (Exception e)
{
MediaFactory.GetService(_session, MRPolicyVolumeService, SimpleAudioVolumeGuid, out volumeObj);
}
_volumeController = CppObject.FromPointer <SimpleAudioVolume>(volumeObj);
_volumeController.Mute = _isMuted;
_volumeController.MasterVolume = _volume;
// Get the clock.
_clock = _session.Clock.QueryInterface <PresentationClock>();
//create the callback if it hasn't been created yet
if (_callback == null)
{
_callback = new Callback();
_session.BeginGetEvent(_callback, null);
}
// Start playing.
var varStart = new Variant();
_session.Start(null, varStart);
#elif WINDOWS_PHONE
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
_mediaElement.Source = new Uri(song.FilePath, UriKind.Relative);
_mediaElement.Play();
// Ensure only one subscribe
_mediaElement.MediaEnded -= OnSongFinishedPlaying;
_mediaElement.MediaEnded += OnSongFinishedPlaying;
});
#else
song.SetEventHandler(OnSongFinishedPlaying);
song.Volume = _isMuted ? 0.0f : _volume;
song.Play();
#endif
State = MediaState.Playing;
}