private void RequestDataFromAll()
{
WaveInBuffer loCurrentBuffer = m_Buffer.NextBuffer;
do
{
WaveInBuffer loNextBuffer = loCurrentBuffer.NextBuffer;
loCurrentBuffer.RequestData();
loCurrentBuffer = loNextBuffer;
} while (loCurrentBuffer != m_Buffer);
m_Buffer.RequestData();
}
private bool m_Recording; // Wird noch auf Daten gewartet?
#endregion
#region Win32-CallBack-Funktion
internal static void WaveInProc(IntPtr hdrvr, int uMsg, int dwUser, ref Win32.WAVEHDR wavhdr, int dwParam2)
{
if (uMsg == (int)Win32.Enum_MM_MessageInput.MM_WIM_DATA)
{
try
{
WaveInBuffer loBuffer = (WaveInBuffer)(((GCHandle)wavhdr.ClientInfo).Target); // Buffer-Instanz ermitteln
loBuffer.OnDataReceived(); // An Buffer: Daten erhalten
}
catch
{
}
}
}
private void ClearBuffer()
{
if (m_Buffer != null)
{
WaveInBuffer loCurrentBuffer = m_Buffer.NextBuffer;
do
{
WaveInBuffer loNextBuffer = loCurrentBuffer.NextBuffer;
loCurrentBuffer.Dispose();
loCurrentBuffer = loNextBuffer;
} while (loCurrentBuffer != m_Buffer);
m_Buffer.Dispose();
m_Buffer = null;
}
}
private void WaitTilAllDone()
{
if (m_Buffer.Recording)
{
m_Buffer.WaitForData();
}
WaveInBuffer loCurrentBuffer = m_Buffer.NextBuffer;
do
{
WaveInBuffer loNextBuffer = loCurrentBuffer.NextBuffer;
if (loCurrentBuffer.Recording)
{
loCurrentBuffer.WaitForData();
}
loCurrentBuffer = loNextBuffer;
} while (loCurrentBuffer != m_Buffer);
}
private void CreateBuffer(int liBufferSize)
{
ClearBuffer();
m_Buffer = new WaveInBuffer(m_DeviceHandle, liBufferSize);
WaveInBuffer loPreviousBuffer = m_Buffer;
try
{
for (int i = 1; i < 3; i++)
{
WaveInBuffer loLocalBuffer = new WaveInBuffer(m_DeviceHandle, liBufferSize);
loPreviousBuffer.NextBuffer = loLocalBuffer;
loPreviousBuffer = loLocalBuffer;
}
}
finally
{
loPreviousBuffer.NextBuffer = m_Buffer;
}
m_CurrentBuffer = m_Buffer;
}
private void SwitchBuffer()
{
m_CurrentBuffer = m_CurrentBuffer.NextBuffer;
}
