public DirectSoundSecondaryBuffer(DirectSoundBase directSound, WaveFormat waveFormat, int bufferSize)
{
if (directSound == null)
{
throw new ArgumentNullException("directSound");
}
DSBufferDescription secondaryBufferDesc = new DSBufferDescription()
{
dwBufferBytes = (uint)bufferSize * 2,
dwFlags = DSBufferCapsFlags.DSBCAPS_CTRLFREQUENCY | DSBufferCapsFlags.DSBCAPS_CTRLPAN |
DSBufferCapsFlags.DSBCAPS_CTRLVOLUME | DSBufferCapsFlags.DSBCAPS_CTRLPOSITIONNOTIFY |
DSBufferCapsFlags.DSBCAPS_GETCURRENTPOSITION2 | DSBufferCapsFlags.DSBCAPS_GLOBALFOCUS |
DSBufferCapsFlags.DSBCAPS_STICKYFOCUS,
dwReserved = 0,
guid3DAlgorithm = Guid.Empty
};
secondaryBufferDesc.dwSize = Marshal.SizeOf(secondaryBufferDesc);
GCHandle hWaveFormat = GCHandle.Alloc(waveFormat, GCHandleType.Pinned);
secondaryBufferDesc.lpwfxFormat = hWaveFormat.AddrOfPinnedObject();
Create(directSound, secondaryBufferDesc);
hWaveFormat.Free();
}
private void Create(DirectSoundBase directSound, DSBufferDescription bufferDesc)
{
if ((bufferDesc.dwFlags & DSBufferCapsFlags.DSBCAPS_PRIMARYBUFFER) == DSBufferCapsFlags.DSBCAPS_PRIMARYBUFFER)
{
throw new ArgumentException("Don t set the PRIMARYBUFFER flag for creating a secondarybuffer.", "bufferDesc");
}
_basePtr = directSound.CreateSoundBuffer(bufferDesc, IntPtr.Zero).ToPointer();
}
public DirectSoundPrimaryBuffer(DirectSoundBase directSound)
{
if (directSound == null)
{
throw new ArgumentNullException("directSound");
}
DSBufferDescription primaryBufferDesc = new DSBufferDescription()
{
dwBufferBytes = 0,
dwFlags = DSBufferCapsFlags.DSBCAPS_PRIMARYBUFFER | DSBufferCapsFlags.DSBCAPS_CTRLVOLUME | DSBufferCapsFlags.DSBCAPS_CTRL3D,
dwReserved = 0,
lpwfxFormat = IntPtr.Zero,
guid3DAlgorithm = Guid.Empty
};
primaryBufferDesc.dwSize = Marshal.SizeOf(primaryBufferDesc);
_basePtr = directSound.CreateSoundBuffer(primaryBufferDesc, IntPtr.Zero).ToPointer();
}
public DSResult Initialize(DirectSoundBase directSound, DSBufferDescription bufferDesc)
{
return(InteropCalls.CalliMethodPtr(_basePtr, directSound.BasePtr.ToPointer(), &bufferDesc, ((void **)(*(void **)_basePtr))[10]));
}
public DirectSoundSecondaryBuffer(DirectSoundBase directSound, DSBufferDescription bufferDesc)
{
Create(directSound, bufferDesc);
}
