/// <summary> /// Creates a new ACM stream to convert one format to another. Note that /// not all conversions can be done in one step /// </summary> /// <param name="sourceFormat">The source audio format</param> /// <param name="destFormat">The destination audio format</param> public AcmStream(WaveFormat sourceFormat, WaveFormat destFormat) { try { streamHandle = IntPtr.Zero; this.sourceFormat = sourceFormat; int sourceBufferSize = Math.Max(16384, sourceFormat.AverageBytesPerSecond); sourceBufferSize -= (sourceBufferSize % sourceFormat.BlockAlign); MmException.Try(AcmInterop.acmStreamOpen(out streamHandle, IntPtr.Zero, sourceFormat, destFormat, null, 0, 0, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen"); // horrible stuff due to wierd Marshalling issues /* * IntPtr sourceFormatPointer = WaveFormat.MarshalToPtr(sourceFormat); * IntPtr destFormatPointer = WaveFormat.MarshalToPtr(destFormat); * MmResult result = AcmInterop.acmStreamOpen2(out streamHandle, IntPtr.Zero, sourceFormatPointer, destFormatPointer, null, 0, 0, AcmStreamOpenFlags.NonRealTime); * Marshal.FreeHGlobal(sourceFormatPointer); * Marshal.FreeHGlobal(destFormatPointer); * MmException.Try(result, "acmStreamOpen");*/ streamHeader = new AcmStreamHeader(streamHandle, sourceBufferSize, SourceToDest(sourceBufferSize)); driverHandle = IntPtr.Zero; } catch { // suppress the finalise and clean up resources Dispose(); throw; } }
/// <summary> /// Creates a new ACM stream to convert one format to another, using a /// specified driver identified and wave filter /// </summary> /// <param name="driverId">the driver identifier</param> /// <param name="sourceFormat">the source format</param> /// <param name="waveFilter">the wave filter</param> // Token: 0x060007CD RID: 1997 RVA: 0x00016CE4 File Offset: 0x00014EE4 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)); }
/// <summary> /// Creates a new ACM stream to convert one format to another, using a /// specified driver identified and wave filter /// </summary> /// <param name="driverId">the driver identifier</param> /// <param name="sourceFormat">the source format</param> /// <param name="waveFilter">the wave filter</param> public AcmStream(IntPtr driverId, WaveFormat sourceFormat, WaveFilter waveFilter) { int sourceBufferSize = Math.Max(16384, sourceFormat.AverageBytesPerSecond); this.sourceFormat = sourceFormat; sourceBufferSize -= (sourceBufferSize % sourceFormat.BlockAlign); MmException.Try(AcmInterop.acmDriverOpen(out driverHandle, driverId, 0), "acmDriverOpen"); MmException.Try(AcmInterop.acmStreamOpen(out streamHandle, driverHandle, sourceFormat, sourceFormat, waveFilter, IntPtr.Zero, IntPtr.Zero, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen"); streamHeader = new AcmStreamHeader(streamHandle, sourceBufferSize, SourceToDest(sourceBufferSize)); }
/// <summary> /// Creates a new ACM stream to convert one format to another. Note that /// not all conversions can be done in one step /// </summary> /// <param name="sourceFormat">The source audio format</param> /// <param name="destFormat">The destination audio format</param> // Token: 0x060007CC RID: 1996 RVA: 0x00016C38 File Offset: 0x00014E38 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; } }
/// <summary> /// Creates a new ACM stream to convert one format to another. Note that /// not all conversions can be done in one step /// </summary> /// <param name="sourceFormat">The source audio format</param> /// <param name="destFormat">The destination audio format</param> public AcmStream(WaveFormat sourceFormat, WaveFormat destFormat) { try { streamHandle = IntPtr.Zero; this.sourceFormat = sourceFormat; int sourceBufferSize = Math.Max(65536, sourceFormat.AverageBytesPerSecond); sourceBufferSize -= (sourceBufferSize % sourceFormat.BlockAlign); MmException.Try(AcmInterop.acmStreamOpen(out streamHandle, IntPtr.Zero, sourceFormat, destFormat, null, IntPtr.Zero, IntPtr.Zero, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen"); int destBufferSize = SourceToDest(sourceBufferSize); streamHeader = new AcmStreamHeader(streamHandle, sourceBufferSize, destBufferSize); driverHandle = IntPtr.Zero; } catch { // suppress the finalise and clean up resources Dispose(); throw; } }