private void CallBack(IntPtr hdrvr, int msg, IntPtr instance, WaveHeader waveHeader, int reserved)
{
if (msg == WinMM.WaveInData && recording)
{
var hBuffer = (GCHandle)waveHeader.userData;
var buffer = (WaveInBuffer)hBuffer.Target;
if (buffer == null)
{
return;
}
lastReturnedBufferIndex = Array.IndexOf(buffers, buffer);
DataAvailable?.Invoke(this, new WaveInEventArgs(buffer.Data, buffer.BytesRecorded));
buffer.Use();
}
}
public WaveOutBuffer(IntPtr WaveOutHandle, int BufferSize)
{
waveOutHandle = WaveOutHandle;
bufferSize = BufferSize;
buffer = new byte[bufferSize];
hBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
header = new WaveHeader();
hHeader = GCHandle.Alloc(header, GCHandleType.Pinned);
header.dataBuffer = hBuffer.AddrOfPinnedObject();
header.bufferLength = bufferSize;
header.loops = 1;
hThis = GCHandle.Alloc(this);
header.userData = (IntPtr)hThis;
WinMM.waveOutPrepareHeader(waveOutHandle, header, Marshal.SizeOf(header));
}
private void CallBack(IntPtr hdrvr, int msg, IntPtr dwUser, WaveHeader waveHeader, int dwParam2)
{
Console.WriteLine("WaveOut");
if (msg == WinMM.WaveOutDone && playing)
{
try
{
GCHandle hBuffer = (GCHandle)waveHeader.userData;
WaveOutBuffer buffer = (WaveOutBuffer)hBuffer.Target;
lastReturnedBufferIndex = Array.IndexOf(buffers, buffer);
//buffer.Use();
}
catch
{
}
}
}
public static extern int waveOutWrite(IntPtr hWaveOut, WaveHeader lpWaveOutHdr, int uSize);
public static extern int waveOutPrepareHeader(IntPtr hWaveOut, WaveHeader lpWaveOutHdr, int uSize);
internal static extern int waveInAddBuffer(IntPtr hwi, WaveHeader pwh, int cbwh);
public static extern int waveInUnprepareHeader(IntPtr hWaveIn, WaveHeader lpWaveInHdr, int uSize);
