public void Dispose()
{
if (m_Thread != null)
{
try
{
m_Finished = true;
if (m_WaveOut != IntPtr.Zero)
{
WaveNative.waveOutReset(m_WaveOut);
}
m_Thread.Join();
m_FillProc = null;
FreeBuffers();
if (m_WaveOut != IntPtr.Zero)
{
WaveNative.waveOutClose(m_WaveOut);
}
}
finally
{
m_Thread = null;
m_WaveOut = IntPtr.Zero;
}
}
GC.SuppressFinalize(this);
}
public WaveOutPlayer(int device, WaveFormat format, int bufferSize, int bufferCount, BufferFillEventHandler fillProc)
{
m_zero = format.wBitsPerSample == 8 ? (byte)128 : (byte)0;
m_FillProc = fillProc;
WaveOutHelper.Try(WaveNative.waveOutOpen(out m_WaveOut, device, format, m_BufferProc, 0, WaveNative.CALLBACK_FUNCTION));
AllocateBuffers(bufferSize, bufferCount);
m_Thread = new Thread(new ThreadStart(ThreadProc));
m_Thread.Start();
}
public bool Play()
{
lock (this)
{
m_PlayEvent.Reset();
m_Playing = WaveNative.waveOutWrite(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header)) == WaveNative.MMSYSERR_NOERROR;
return(m_Playing);
}
}
public WaveOutBuffer(IntPtr waveOutHandle, int size)
{
m_WaveOut = waveOutHandle;
m_HeaderHandle = GCHandle.Alloc(m_Header, GCHandleType.Pinned);
m_Header.dwUser = (IntPtr)GCHandle.Alloc(this);
m_HeaderData = new byte[size];
m_HeaderDataHandle = GCHandle.Alloc(m_HeaderData, GCHandleType.Pinned);
m_Header.lpData = m_HeaderDataHandle.AddrOfPinnedObject();
m_Header.dwBufferLength = size;
WaveOutHelper.Try(WaveNative.waveOutPrepareHeader(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header)));
}
public void Dispose()
{
if (m_Header.lpData != IntPtr.Zero)
{
WaveNative.waveOutUnprepareHeader(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header));
m_HeaderHandle.Free();
m_Header.lpData = IntPtr.Zero;
}
m_PlayEvent.Close();
if (m_HeaderDataHandle.IsAllocated)
{
m_HeaderDataHandle.Free();
}
GC.SuppressFinalize(this);
}
internal static void WaveOutProc(IntPtr hdrvr, int uMsg, int dwUser, ref WaveNative.WaveHdr wavhdr, int dwParam2)
{
if (uMsg == WaveNative.MM_WOM_DONE)
{
try
{
GCHandle h = (GCHandle)wavhdr.dwUser;
WaveOutBuffer buf = (WaveOutBuffer)h.Target;
buf.OnCompleted();
}
catch
{
}
}
}
