private void WaitForAllBuffers()
{
WaveInBuffer Buf = buffers;
while (Buf.NextBuffer != buffers)
{
Buf.WaitFor();
Buf = Buf.NextBuffer;
}
}
internal static void WaveInProc(IntPtr hdrvr, int uMsg, int dwUser, ref Windows.WaveHdr wavhdr, int dwParam2)
{
if (uMsg == Windows.MM_WIM_DATA)
{
try
{
GCHandle h = (GCHandle)wavhdr.dwUser;
WaveInBuffer buf = (WaveInBuffer)h.Target;
buf.OnCompleted();
}
catch
{
}
}
}
private void FreeBuffers()
{
currentBuffer = null;
if (buffers != null)
{
WaveInBuffer First = buffers;
buffers = null;
WaveInBuffer Current = First;
do
{
WaveInBuffer Next = Current.NextBuffer;
Current.Dispose();
Current = Next;
} while (Current != First);
}
}
private void AllocateBuffers(int bufferSize, int bufferCount)
{
FreeBuffers();
if (bufferCount > 0)
{
buffers = new WaveInBuffer(waveInPtr, bufferSize);
WaveInBuffer Prev = buffers;
try
{
for (int i = 1; i < bufferCount; i++)
{
WaveInBuffer Buf = new WaveInBuffer(waveInPtr, bufferSize);
Prev.NextBuffer = Buf;
Prev = Buf;
}
}
finally
{
Prev.NextBuffer = buffers;
}
}
}