private void OnPlaybackStop()
{
bTerminating = true;
WinmmHook.waveOutReset(hWaveOut);
WinmmHook.waveOutUnprepareHeader(hWaveOut, ref pWaveHdr1, Marshal.SizeOf(pWaveHdr1));
WinmmHook.waveOutClose(hWaveOut);
}
private void OnRecordingStart()
{
int bFailed = WinmmHook.waveInOpen(out hWaveIn, WinmmHook.WAVE_MAPPER, waveform, WaveInProc, 0, WinmmHook.CALLBACK_FUNCTION);
if (bFailed != 0)
{
//could not open waveform audio
return;
}
h_pBuffer1 = GCHandle.Alloc(pBuffer1, GCHandleType.Pinned);
waveHdr1.lpData = h_pBuffer1.AddrOfPinnedObject();
waveHdr1.dwBufferLength = INP_BUFFER_SIZE;
waveHdr1.dwBytesRecorded = 0;
waveHdr1.dwUser = new IntPtr(0); //(IntPtr)GCHandle.Alloc(this);
waveHdr1.dwFlags = 0;
waveHdr1.dwLoops = 1;
waveHdr1.lpNext = new IntPtr(0);
waveHdr1.reserved = 0;
WinmmHook.waveInPrepareHeader(hWaveIn, ref waveHdr1, Marshal.SizeOf(waveHdr1));
h_pBuffer2 = GCHandle.Alloc(pBuffer2, GCHandleType.Pinned);
waveHdr2.lpData = h_pBuffer2.AddrOfPinnedObject();
waveHdr2.dwBufferLength = INP_BUFFER_SIZE;
waveHdr2.dwBytesRecorded = 0;
waveHdr2.dwUser = new IntPtr(0); //(IntPtr)GCHandle.Alloc(this);
waveHdr2.dwFlags = 0;
waveHdr2.dwLoops = 1;
waveHdr2.lpNext = new IntPtr(0);
waveHdr2.reserved = 0;
WinmmHook.waveInPrepareHeader(hWaveIn, ref waveHdr2, Marshal.SizeOf(waveHdr2));
}
private void OnWimData()
{
WaveHdr header;
byte[] samples;
if (lastHeader == 1)
{
header = waveHdr1;
samples = pBuffer1;
}
else if (lastHeader == 2)
{
header = waveHdr2;
samples = pBuffer2;
}
else
{
if (bEnding)
{
WinmmHook.waveInClose(hWaveIn);
}
return;
}
byte[] result;
int copyPos;
if (pSaveBuffer == null)
{
result = new byte[header.dwBytesRecorded];
copyPos = 0;
}
else
{
result = new byte[pSaveBuffer.Length + header.dwBytesRecorded];
pSaveBuffer.CopyTo(result, 0);
copyPos = pSaveBuffer.Length;
}
Array.Copy(samples, 0, result, copyPos, header.dwBytesRecorded);
pSaveBuffer = result;
if (bEnding)
{
WinmmHook.waveInReset(hWaveIn);
WinmmHook.waveInClose(hWaveIn);
return;
}
if (lastHeader == 1)
{
WinmmHook.waveInAddBuffer(hWaveIn, ref waveHdr1, Marshal.SizeOf(waveHdr1));
}
else if (lastHeader == 2)
{
WinmmHook.waveInAddBuffer(hWaveIn, ref waveHdr2, Marshal.SizeOf(waveHdr2));
}
}
private void OnPlaybackStart()
{
int val = WinmmHook.waveOutOpen(out hWaveOut, WinmmHook.WAVE_MAPPER, waveform, WaveOutProc, 0, WinmmHook.CALLBACK_FUNCTION);
if (val == 11)
{
//invalid parameter.
return;
}
}
/*
* =============== Actions ===============
*/
private void OnWimOpen()
{
WinmmHook.waveInAddBuffer(hWaveIn, ref waveHdr1, Marshal.SizeOf(waveHdr1));
WinmmHook.waveInAddBuffer(hWaveIn, ref waveHdr2, Marshal.SizeOf(waveHdr2));
bRecording = true;
bEnding = false;
WinmmHook.PostMessage(parentHandle, WinmmHook.WM_USER + 1, (int)PlaybackStatus.Recording, 0);
WinmmHook.waveInStart(hWaveIn);
}
private void OnWomClose()
{
bPaused = false;
bPlaying = false;
WinmmHook.PostMessage(parentHandle, WinmmHook.WM_USER + 1, (int)PlaybackStatus.Stopped, 0);
if (bTerminating)
{
MsgQueue.Add(PlayerMsg.TERMINATING);
}
}
private void OnTerminating()
{
if (bPlaying)
{
bTerminating = true;
WinmmHook.waveOutReset(hWaveOut);
return;
}
if (h_pbuffer.IsAllocated)
{
h_pbuffer.Free();
}
MsgQueue.Add(PlayerMsg.EXIT);
}
private void OnPlaybackPause()
{
if (!bPaused)
{
WinmmHook.waveOutPause(hWaveOut);
bPaused = true;
WinmmHook.PostMessage(parentHandle, WinmmHook.WM_USER + 1, (int)PlaybackStatus.Paused, 0);
}
else
{
WinmmHook.waveOutRestart(hWaveOut);
bPaused = false;
WinmmHook.PostMessage(parentHandle, WinmmHook.WM_USER + 1, (int)PlaybackStatus.Playing, 0);
}
}
private void OnWimClose()
{
WinmmHook.waveInUnprepareHeader(hWaveIn, ref waveHdr1, Marshal.SizeOf(waveHdr1));
WinmmHook.waveInUnprepareHeader(hWaveIn, ref waveHdr2, Marshal.SizeOf(waveHdr2));
if (h_pBuffer1.IsAllocated)
{
h_pBuffer1.Free();
}
if (h_pBuffer2.IsAllocated)
{
h_pBuffer2.Free();
}
bRecording = false;
WinmmHook.PostMessage(parentHandle, WinmmHook.WM_USER + 1, (int)PlaybackStatus.Stopped, 0);
MsgQueue.Add(RecorderMsg.TERMINATING);
}
/*
* =============== Event Handlers ===============
*/
private void OnWomOpen()
{
if (h_pbuffer.IsAllocated)
{
h_pbuffer.Free();
}
h_pbuffer = GCHandle.Alloc(pbuffer, GCHandleType.Pinned); //handle (pointer) to the buffer
pWaveHdr1.dwUser = (IntPtr)GCHandle.Alloc(this); //pointer to this
pWaveHdr1.dwBufferLength = pbuffer.Length; //size of the buffer in bytes
pWaveHdr1.lpData = h_pbuffer.AddrOfPinnedObject(); //IntPtr to buffer
pWaveHdr1.dwFlags = 0;
WinmmHook.waveOutPrepareHeader(hWaveOut, ref pWaveHdr1, Marshal.SizeOf(pWaveHdr1));
WinmmHook.waveOutWrite(hWaveOut, ref pWaveHdr1, Marshal.SizeOf(pWaveHdr1));
bPlaying = true;
WinmmHook.PostMessage(parentHandle, WinmmHook.WM_USER + 1, (int)PlaybackStatus.Playing, 0);
}
private void OnWomDone()
{
bTerminating = true;
WinmmHook.waveOutUnprepareHeader(hWaveOut, ref pWaveHdr1, Marshal.SizeOf(pWaveHdr1));
WinmmHook.waveOutClose(hWaveOut);
}
