/// <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;
}
}
