internal void InternalSetPitch(float pitch)
{
if (m_audioTrack != null)
{
int x = (int)((float)SamplingFrequency * pitch);
x = MathUtils.Min(x, 2 * AudioTrack.GetNativeOutputSampleRate(Stream.Music));
Mixer.CheckTrackStatus((TrackStatus)m_audioTrack.SetPlaybackRate(x));
}
}
public AsyncPlayer(SineWaveGenerator generator)
{
this.generator = generator;
var streamType = Stream.Music;
var sampleRate = AudioTrack.GetNativeOutputSampleRate(streamType);
var encoding = Android.Media.Encoding.Pcm16bit;
var bufferSize = AudioTrack.GetMinBufferSize(sampleRate, ChannelOut.Mono, encoding) + 2;
Log.Info("AudioInit", "{0} / {1}", sampleRate, bufferSize);
soundTrack = new AudioTrack(streamType,
sampleRate,
ChannelConfiguration.Mono,
encoding,
bufferSize,
AudioTrackMode.Stream);
soundBuffer = new short [bufferSize];
processThread = new Thread(ThreadStart);
}