protected virtual void OnMusicDelivery(MusicDeliveryEventArgs args)
{
if (this.MusicDeliver != null)
{
this.MusicDeliver(this, args);
}
}
private static int MusicDeliveryCallback(IntPtr sessionPtr, IntPtr formatPtr, IntPtr framesPtr, int num_frames)
{
Session s = GetSession(sessionPtr);
if (s == null)
{
return(0);
}
byte[] samplesBytes = null;
libspotify.sp_audioformat format = (libspotify.sp_audioformat)Marshal.PtrToStructure(formatPtr, typeof(libspotify.sp_audioformat));
if (num_frames > 0)
{
samplesBytes = new byte[num_frames * format.channels * 2];
Marshal.Copy(framesPtr, samplesBytes, 0, samplesBytes.Length);
}
else
{
samplesBytes = new byte[0];
}
MusicDeliveryEventArgs e = new MusicDeliveryEventArgs(format.channels, format.sample_rate, samplesBytes, num_frames);
s.OnMusicDelivery(e);
return(e.ConsumedFrames);
}
void session_MusicDelivered(ISession sender, MusicDeliveryEventArgs e)
{
e.ConsumedFrames = e.Samples.Length > 0 ? player.EnqueueSamples(e.Channels, e.Rate, e.Samples, e.Frames) : 0;
}
void spotify_MusicDeliver(ISession sender, MusicDeliveryEventArgs e)
{
if (e.Samples.Length > 0)
{
e.ConsumedFrames = player.EnqueueSamples(e.Channels, e.Rate, e.Samples, e.Frames);
}
else
{
e.ConsumedFrames = 0;
}
}