static DirectSound.WaveFormat ConvertWaveFormat(Qaryan.Audio.WaveFormat fmt)
{
DirectSound.WaveFormat result = new Microsoft.DirectX.DirectSound.WaveFormat();
result.AverageBytesPerSecond = (int)fmt.AverageBytesPerSecond;
result.BitsPerSample = (short)fmt.BitsPerSample;
result.BlockAlign = (short)fmt.BlockAlign;
result.Channels = (short)fmt.Channels;
result.FormatTag = (DirectSound.WaveFormatTag)fmt.FormatTag;
result.SamplesPerSecond = (int)fmt.SamplesPerSecond;
return(result);
}
public DSoundPlayer(Control owner, PullAudio pullAudio, Qaryan.Audio.WaveFormat format)
{
this.pullAudio = pullAudio;
this.soundDevice = new Device();
this.soundDevice.SetCooperativeLevel(owner, CooperativeLevel.Normal);
// Set up our wave format to 44,100Hz, with 16 bit resolution
DirectSound.WaveFormat wf = ConvertWaveFormat(format);
// wf.FormatTag = DirectSound.WaveFormatTag.Pcm;
// wf.SamplesPerSecond = 44100;
// wf.BitsPerSample = 16;
// wf.Channels = channels;
// wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
// wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlign;
this.samplesPerUpdate = 1024;
// Create a buffer with 5 seconds of sample data
bufferDesc = new BufferDescription(wf);
bufferDesc.BufferBytes = this.samplesPerUpdate * wf.BlockAlign * 5;
bufferDesc.ControlPositionNotify = true;
bufferDesc.GlobalFocus = true;
this.soundBuffer = new SecondaryBuffer(bufferDesc, this.soundDevice);
Notify notify = new Notify(this.soundBuffer);
fillEvent[0] = new AutoResetEvent(false);
fillEvent[1] = new AutoResetEvent(false);
// Set up two notification events, one at halfway, and one at the end of the buffer
BufferPositionNotify[] posNotify = new BufferPositionNotify[2];
posNotify[0] = new BufferPositionNotify();
posNotify[0].Offset = bufferDesc.BufferBytes / 2 - 1;
posNotify[0].EventNotifyHandle = fillEvent[0].SafeWaitHandle.DangerousGetHandle();
posNotify[1] = new BufferPositionNotify();
posNotify[1].Offset = bufferDesc.BufferBytes - 1;
posNotify[1].EventNotifyHandle = fillEvent[1].SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(posNotify);
this.thread = new Thread(new ThreadStart(SoundPlayback));
this.thread.SetApartmentState(ApartmentState.STA);
this.thread.Name = "SoundPlayback";
this.thread.Priority = ThreadPriority.Highest;
this.Pause();
this.running = true;
this.thread.Start();
}
public WinWaveFormat(Qaryan.Audio.WaveFormat wf)
: this((int)wf.SamplesPerSecond, wf.BitsPerSample, wf.Channels)
{
}
