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));
}
public AcmStream(WaveFormat sourceFormat, WaveFormat destFormat)
{
try
{
this.streamHandle = IntPtr.Zero;
this.sourceFormat = sourceFormat;
int num = Math.Max(65536, sourceFormat.AverageBytesPerSecond);
num -= num % sourceFormat.BlockAlign;
MmException.Try(AcmInterop.acmStreamOpen(out this.streamHandle, IntPtr.Zero, sourceFormat, destFormat, null, IntPtr.Zero, IntPtr.Zero, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen");
int destBufferLength = this.SourceToDest(num);
this.streamHeader = new AcmStreamHeader(this.streamHandle, num, destBufferLength);
this.driverHandle = IntPtr.Zero;
}
catch
{
this.Dispose();
throw;
}
}
protected virtual void Dispose(bool disposing)
{
if (disposing && this.streamHeader != null)
{
this.streamHeader.Dispose();
this.streamHeader = null;
}
if (this.streamHandle != IntPtr.Zero)
{
MmResult mmResult = AcmInterop.acmStreamClose(this.streamHandle, 0);
this.streamHandle = IntPtr.Zero;
if (mmResult != MmResult.NoError)
{
throw new MmException(mmResult, "acmStreamClose");
}
}
if (this.driverHandle != IntPtr.Zero)
{
AcmInterop.acmDriverClose(this.driverHandle, 0);
this.driverHandle = IntPtr.Zero;
}
}