internal static void WaveOutProc(IntPtr hdrvr, int uMsg, int dwUser, ref Win32.WAVEHDR wavhdr, int dwParam2)
{
if (uMsg == (int)Win32.Enum_MM_MessageOutput.MM_WOM_DONE)
{
try
{
WaveOutBuffer loBuffer = (WaveOutBuffer)(((GCHandle)wavhdr.ClientInfo).Target);
loBuffer.OnDataSent();
}
catch
{
}
}
}
private void ClearBuffer()
{
if (m_Buffer != null)
{
WaveOutBuffer loCurrentBuffer = m_Buffer.NextBuffer;
do
{
WaveOutBuffer loNextBuffer = loCurrentBuffer.NextBuffer;
loCurrentBuffer.Dispose();
loCurrentBuffer = loNextBuffer;
} while (loCurrentBuffer != m_Buffer);
m_Buffer.Dispose();
m_Buffer = null;
}
}
private void CreateBuffer(int liBufferSize)
{
ClearBuffer();
m_Buffer = new WaveOutBuffer(m_DeviceHandle, liBufferSize);
WaveOutBuffer loPreviousBuffer = m_Buffer;
try
{
for (int i = 1; i < 3; i++)
{
WaveOutBuffer loLocalBuffer = new WaveOutBuffer(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;
}