public static DirectSound8 Create8(Guid device)
{
IntPtr ptr;
DirectSoundException.Try(NativeMethods.DirectSoundCreate8(ref device, out ptr, IntPtr.Zero), "DSInterop", "DirectSoundCreate8(ref Guid, out IntPtr, IntPtr)");
return(new DirectSound8(ptr));
}
public IntPtr CreateSoundBuffer(DSBufferDescription bufferDesc, IntPtr pUnkOuter)
{
IntPtr soundBuffer;
DirectSoundException.Try(CreateSoundBufferNative(bufferDesc, out soundBuffer, pUnkOuter),
"IDirectSound8", "CreateSoundBuffer");
return(soundBuffer);
}
public bool SupportsFormat(WaveFormat format)
{
DirectSoundCapabilities caps;
DirectSoundException.Try(GetCaps(out caps), "IDirectSound", "GetCaps");
bool result = true;
if (format.Channels == 2)
{
result &= (caps.Flags & DSCapabilitiesFlags.SecondaryBufferStereo) == DSCapabilitiesFlags.SecondaryBufferStereo;
}
else if (format.Channels == 1)
{
result &= (caps.Flags & DSCapabilitiesFlags.SecondaryBufferMono) == DSCapabilitiesFlags.SecondaryBufferMono;
}
else
{
result &= false;
}
if (format.BitsPerSample == 8)
{
result &= (caps.Flags & DSCapabilitiesFlags.SecondaryBuffer8Bit) == DSCapabilitiesFlags.SecondaryBuffer8Bit;
}
else if (format.BitsPerSample == 16)
{
result &= (caps.Flags & DSCapabilitiesFlags.SecondaryBuffer16Bit) == DSCapabilitiesFlags.SecondaryBuffer16Bit;
}
else
{
result &= false;
}
result &= format.WaveFormatTag == AudioEncoding.Pcm;
return(result);
}
public void Restore()
{
DirectSoundException.Try(RestoreNative(), c, "Restore");
}
public void Stop()
{
DirectSoundException.Try(StopNative(), c, "Stop");
}
public void Play(DSBPlayFlags flags)
{
DirectSoundException.Try(PlayNative(flags), c, "Play");
}
public void SetVolume(double volume)
{
DirectSoundException.Try(SetVolumeNative(volume), c, "SetVolume");
}
public void SetCurrentPosition(int playPosition)
{
DirectSoundException.Try(SetCurrentPositionNative(playPosition), c, "SetCurrentPosition");
}
public void SetCooperativeLevel(IntPtr hWnd, DSCooperativeLevelType level)
{
DirectSoundException.Try(SetCooperativeLevelNative(hWnd, level), "IDirectSound8", "SetCooperativeLevel");
}
public void SetNotificationPositions(DSBPositionNotify[] notifies)
{
DirectSoundException.Try(SetNotificationPositionsNative(notifies), "IDirectSoundNotify", "SetNotificationPositions");
}
