public void Dispose()
{
if (m_Thread != null)
{
try
{
m_Finished = true;
if (m_WaveIn != IntPtr.Zero)
{
WaveNative.waveInReset(m_WaveIn);
}
WaitForAllBuffers();
m_Thread.Join();
m_DoneProc = null;
FreeBuffers();
if (m_WaveIn != IntPtr.Zero)
{
WaveNative.waveInClose(m_WaveIn);
}
}
finally
{
m_Thread = null;
m_WaveIn = IntPtr.Zero;
}
}
GC.SuppressFinalize(this);
}
public bool Record()
{
lock (this)
{
m_RecordEvent.Reset();
m_Recording = WaveNative.waveInAddBuffer(m_WaveIn, ref m_Header, Marshal.SizeOf(m_Header)) == WaveNative.MMSYSERR_NOERROR;
return(m_Recording);
}
}
public WaveInBuffer(IntPtr waveInHandle, int size)
{
m_WaveIn = waveInHandle;
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;
WaveInHelper.Try(WaveNative.waveInPrepareHeader(m_WaveIn, ref m_Header, Marshal.SizeOf(m_Header)));
}
public WaveInRecorder(int device, WaveFormat format, int bufferSize, int bufferCount, BufferDoneEventHandler doneProc)
{
m_DoneProc = doneProc;
WaveInHelper.Try(WaveNative.waveInOpen(out m_WaveIn, device, format, m_BufferProc, 0, WaveNative.CALLBACK_FUNCTION));
AllocateBuffers(bufferSize, bufferCount);
for (int i = 0; i < bufferCount; i++)
{
SelectNextBuffer();
m_CurrentBuffer.Record();
}
WaveInHelper.Try(WaveNative.waveInStart(m_WaveIn));
m_Thread = new Thread(new ThreadStart(ThreadProc));
m_Thread.Start();
}
public void Dispose()
{
if (m_Header.lpData != IntPtr.Zero)
{
WaveNative.waveInUnprepareHeader(m_WaveIn, ref m_Header, Marshal.SizeOf(m_Header));
m_HeaderHandle.Free();
m_Header.lpData = IntPtr.Zero;
}
m_RecordEvent.Close();
if (m_HeaderDataHandle.IsAllocated)
{
m_HeaderDataHandle.Free();
}
GC.SuppressFinalize(this);
}
internal static void WaveInProc(IntPtr hdrvr, int uMsg, int dwUser, ref WaveNative.WaveHdr wavhdr, int dwParam2)
{
if (uMsg == WaveNative.MM_WIM_DATA)
{
try
{
GCHandle h = (GCHandle)wavhdr.dwUser;
WaveInBuffer buf = (WaveInBuffer)h.Target;
buf.OnCompleted();
}
catch
{
}
}
}