protected void Init(MusicStream Wave)
{// To get preferred buffer size and sampling rate.
AudioManager audioManager = (AudioManager)
Forms.Context.GetSystemService(Android.Content.Context.AudioService);
Rate = int.Parse(audioManager.GetProperty(AudioManager.PropertyOutputSampleRate));
//string Size = audioManager.GetProperty(AudioManager.PropertyOutputFramesPerBuffer);
SampleRate = Wave.SampleRate;
_content = Wave.Content;
int SizeInBytes = Wave.SizeInBytes - 44;
_player = new AudioTrack(
// Stream type
(Android.Media.Stream)Wave.Type,
// Frequency
Rate,
// Mono or stereo
(ChannelOut)Wave.Config,
// Audio encoding
(Encoding)Wave.Format,
// Length of the audio clip.
SizeInBytes,
// Mode. Stream or static.
(AudioTrackMode)Wave.Mode);
_loop = Wave.Loop;
_volume = Wave.Volume;
_player.SetVolume(_volume = Wave.Volume);
#if true
//int ch = Wave.Channels;
//_start = 0;// (int)Wave.Content.Length / ch;
//_stop = (int)Wave.Content.Length;// / ch / 2 / 2 + 16000
#elif false
_player.SetNotificationMarkerPosition(SizeInBytes / 2);
_player.MarkerReached += (object sender, AudioTrack.MarkerReachedEventArgs e) =>
{ if (_loop)
{
e.Track.SetPlaybackHeadPosition(0);
}
};
#elif false
Device.StartTimer(Wave.Duration, () => { if (_loop)
{
_player.SetPlaybackHeadPosition(0);
}
return(_loop); });
#endif
_prepared = true;
}
