private int GetFrequency()
{
CheckForInitialize();
int frequency;
DirectSoundException.Try(_secondaryBuffer.GetFrequency(out frequency), "IDirectSoundBuffer", "GetFrequency");
return(frequency);
}
private float GetPan()
{
CheckForInitialize();
float pan;
DirectSoundException.Try(_secondaryBuffer.GetPan(out pan), "IDirectSoundBuffer", "GetPan");
return(pan);
}
private void InitializeInternal()
{
//Use Desktophandle as default handle
IntPtr handle = DSUtils.GetDesktopWindow();
IntPtr pdsound;
DirectSoundException.Try(NativeMethods.DirectSoundCreate8(ref _device, out pdsound, IntPtr.Zero),
"DSInterop", "DirectSoundCreate8");
_directSound = new DirectSound8(pdsound);
_directSound.SetCooperativeLevel(handle, DSCooperativeLevelType.Normal); //use normal as default
if (!_directSound.SupportsFormat(_source.WaveFormat))
{
if (_source.WaveFormat.WaveFormatTag == AudioEncoding.IeeeFloat) //directsound does not support ieeefloat
{
_source = _source.ToSampleSource().ToWaveSource(16);
}
WaveFormat format16Bit = (WaveFormat)_source.WaveFormat.Clone();
format16Bit.BitsPerSample = 16;
WaveFormat format8Bit = (WaveFormat)_source.WaveFormat.Clone();
format8Bit.BitsPerSample = 8;
if (_directSound.SupportsFormat(format16Bit))
{
_source = _source.ToSampleSource().ToWaveSource(16);
}
else if (_directSound.SupportsFormat(format8Bit))
{
_source = _source.ToSampleSource().ToWaveSource(8);
}
else
{
throw new NotSupportedException(
"WaveFormat of the source is not supported.");
}
if (!_directSound.SupportsFormat(_source.WaveFormat))
{
throw new NotSupportedException(
"WaveFormat of the source is not supported.");
}
}
WaveFormat waveFormat = _source.WaveFormat;
var bufferSize = (int)waveFormat.MillisecondsToBytes(_latency);
_primaryBuffer = new DirectSoundPrimaryBuffer(_directSound);
_secondaryBuffer = new DirectSoundSecondaryBuffer(_directSound, waveFormat, bufferSize * 2);
}
private void InitializeInternal()
{
//Use Desktophandle as default handle
IntPtr handle = DSUtils.GetDesktopWindow();
IntPtr pdsound;
DirectSoundException.Try(NativeMethods.DirectSoundCreate8(ref _device, out pdsound, IntPtr.Zero), "DSInterop", "DirectSoundCreate8");
_directSound = new DirectSound8(pdsound);
_directSound.SetCooperativeLevel(handle, DSCooperativeLevelType.DSSCL_NORMAL); //use normal as default
if (!_directSound.SupportsFormat(_source.WaveFormat))
{
if (_source.WaveFormat.WaveFormatTag == AudioEncoding.IeeeFloat)
{
_source = _source.ToSampleSource().ToWaveSource(16);
}
if (_directSound.SupportsFormat(new WaveFormat(_source.WaveFormat.SampleRate, 16, _source.WaveFormat.Channels, _source.WaveFormat.WaveFormatTag)))
{
_source = _source.ToSampleSource().ToWaveSource(16);
}
else if (_directSound.SupportsFormat(new WaveFormat(_source.WaveFormat.SampleRate, 8, _source.WaveFormat.Channels, _source.WaveFormat.WaveFormatTag)))
{
_source = _source.ToSampleSource().ToWaveSource(8);
}
else
{
throw new InvalidOperationException("Invalid WaveFormat. WaveFormat specified by parameter {_source} is not supported by this DirectSound-Device.");
}
if (!_directSound.SupportsFormat(_source.WaveFormat))
{
throw new InvalidOperationException("Invalid WaveFormat. WaveFormat specified by parameter {_source} is not supported by this DirectSound-Device.");
}
}
WaveFormat waveFormat = _source.WaveFormat;
int bufferSize = (int)waveFormat.MillisecondsToBytes(_latency);
_primaryBuffer = new DirectSoundPrimaryBuffer(_directSound);
_secondaryBuffer = new DirectSoundSecondaryBuffer(_directSound, waveFormat, bufferSize);
}
private void SetFrequency(int frequency)
{
CheckForInitialize();
DirectSoundException.Try(_secondaryBuffer.SetFrequency(frequency), "IDirectSoundBuffer", "SetFrequency");
}
private void SetPan(float pan)
{
CheckForInitialize();
DirectSoundException.Try(_secondaryBuffer.SetPan(pan), "IDirectSoundBuffer", "GetPan");
}
