public unsafe void Write(int position, void *pBuffer, int length, DSBLOCK flags)
{
IntPtr pvAudioPtr1;
int dwAudioBytes1;
IntPtr pvAudioPtr2;
int dwAudioBytes2;
this.Lock(
position,
length,
out pvAudioPtr1,
out dwAudioBytes1,
out pvAudioPtr2,
out dwAudioBytes2,
flags);
try
{
int count1 = Math.Min(dwAudioBytes1, length);
int count2 = length - count1;
NativeHelper.CPBLK((void *)pvAudioPtr1, (void *)pBuffer, count1);
if (count2 > 0)
{
NativeHelper.CPBLK((void *)(pvAudioPtr1 + count1), (void *)((byte *)pBuffer + count1), count2);
}
}
finally
{
this.Unlock(pvAudioPtr1, dwAudioBytes1, pvAudioPtr2, dwAudioBytes2);
}
}
// <unmanaged>HRESULT IDirectSoundBuffer::Lock([In] unsigned int dwOffset,[In] unsigned int dwBytes,[Out] void** ppvAudioPtr1,[Out] unsigned int* pdwAudioBytes1,[Out] void** ppvAudioPtr2,[Out, Optional] unsigned int* pdwAudioBytes2,[In] DSBLOCK_ENUM dwFlags)</unmanaged>
internal unsafe void Lock(int offset, int bytes, out IntPtr audioPtr1Out, out int audioBytes1Ref, out IntPtr audioPtr2Out, out int audioBytes2Ref, DSBLOCK flags)
{
IntPtr pvAudioPtr1;
int dwAudioBytes1;
IntPtr pvAudioPtr2;
int dwAudioBytes2;
//result = calli(System.Int32(System.Void*,System.Int32,System.Int32,System.Void*,System.Void*,System.Void*,System.Void*,System.Int32), this._nativePointer, offset, bytes, ptr, ptr2, ptr3, ptr4, flags, *(*(IntPtr*)this._nativePointer + (IntPtr)11 * (IntPtr)sizeof(void*)));
var result = (HRESULT)NativeHelper.CalliInt32(11, _nativePointer, offset, bytes, (void *)&pvAudioPtr1, (void *)&dwAudioBytes1, (void *)&pvAudioPtr2, (void *)&dwAudioBytes2, (int)flags);
audioPtr1Out = pvAudioPtr1;
audioBytes1Ref = dwAudioBytes1;
audioPtr2Out = pvAudioPtr2;
audioBytes2Ref = dwAudioBytes2;
result.CheckError();
}
