private void WaitForAllBuffers()
{
WaveOutBuffer objBuf = objBuffers;
while (objBuf.objNextBuffer != objBuffers)
{
objBuf.WaitFor();
objBuf = objBuf.objNextBuffer;
}
}
internal static void WaveOutProc(IntPtr objHdrvr, Int32 intMsg, Int32 intDwUser, ref WaveNative.WaveHdr objWavhdr, Int32 intDwParam2)
{
if (intMsg == WaveNative.MM_WOM_DONE)
{
try
{
GCHandle objH = (GCHandle)objWavhdr.objDwUser;
WaveOutBuffer objBuf = (WaveOutBuffer)objH.Target;
objBuf.OnCompleted();
}
catch
{
}
}
}
private void FreeBuffers()
{
objCurrentBuffer = null;
if (objBuffers != null)
{
WaveOutBuffer First = objBuffers;
objBuffers = null;
WaveOutBuffer Current = First;
do
{
WaveOutBuffer objNext = Current.objNextBuffer;
Current.Dispose();
Current = objNext;
} while(Current != First);
}
}
private void AllocateBuffers(Int32 intBufferSize, Int32 intBufferCount)
{
FreeBuffers();
if (intBufferCount > 0)
{
objBuffers = new WaveOutBuffer(objWaveOut, intBufferSize);
WaveOutBuffer Prev = objBuffers;
try
{
for (Int32 intI = 1; intI < intBufferCount; intI++)
{
var objBuf = new WaveOutBuffer(objWaveOut, intBufferSize);
Prev.objNextBuffer = objBuf;
Prev = objBuf;
}
}
finally
{
Prev.objNextBuffer = objBuffers;
}
}
}
private void Advance()
{
objCurrentBuffer = objCurrentBuffer == null ? objBuffers : objCurrentBuffer.objNextBuffer;
objCurrentBuffer.WaitFor();
}