private void ProcessPlayerClosed()
{
// The session finished to close, we have to dispose all related object.
currentMusic = null;
mediaSessionCallback.Dispose();
if (mediaSource != null) mediaSource.Shutdown();
if (mediaSession != null) mediaSession.Shutdown();
if (streamVolume != null) streamVolume.Dispose();
if (mediaSource != null) mediaSource.Dispose();
if (topology != null) topology.Dispose();
if (mediaSession != null) mediaSession.Dispose();
if (mediaInputByteStream != null) mediaInputByteStream.Dispose();
topology = null;
streamVolume = null;
mediaSession = null;
mediaSource = null;
mediaInputByteStream = null;
mediaSessionCallback = null;
isMusicPlayerReady = false;
}
/// <summary>
/// Load a new music into the media session. That is create a new session and a new topology and set the topology of the session.
/// </summary>
/// <param name="music"></param>
private void LoadNewMusic(SoundMusic music)
{
if (currentMusic != null || mediaSession != null)
throw new AudioSystemInternalException("State of the audio engine invalid at the entry of LoadNewMusic.");
music.Stream.Position = 0;
mediaInputByteStream = new ByteStream(music.Stream);
topology = CreateTopology(mediaInputByteStream, out mediaSource);
MediaFactory.CreateMediaSession(null, out mediaSession);
mediaSessionCallback = new MediaSessionCallback(mediaSession, OnMediaSessionEvent);
mediaSession.SetTopology(SessionSetTopologyFlags.None, topology);
currentMusic = music;
}