public void Open()
{
if (this.driverHandle == IntPtr.Zero)
{
MmException.Try(AcmInterop.acmDriverOpen(out this.driverHandle, this.DriverId, 0), "acmDriverOpen");
}
}
public AcmStream(IntPtr driverId, WaveFormat sourceFormat, WaveFilter waveFilter)
{
int num = Math.Max(16384, sourceFormat.AverageBytesPerSecond);
this.sourceFormat = sourceFormat;
num -= num % sourceFormat.BlockAlign;
MmException.Try(AcmInterop.acmDriverOpen(out this.driverHandle, driverId, 0), "acmDriverOpen");
MmException.Try(AcmInterop.acmStreamOpen(out this.streamHandle, this.driverHandle, sourceFormat, sourceFormat, waveFilter, IntPtr.Zero, IntPtr.Zero, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen");
this.streamHeader = new AcmStreamHeader(this.streamHandle, num, this.SourceToDest(num));
}