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Fixed Alc.CaptureSamples according to http://www.opentk.com/node/911. Added convenience overloads.

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the_fiddler 2009-05-31 11:08:34 +00:00
parent 1daef17177
commit 421fd60105
1 changed files with 50 additions and 2 deletions
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52
Source/OpenTK/Audio/OpenAL/Alc/Alc.cs
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@ -308,12 +308,60 @@ namespace OpenTK.Audio
/// <summary>This function completes a capture operation, and does not block.</summary>
/// <param name="device">a pointer to a capture device.</param>
/// <param name="buffer">a pointer to a buffer buffer, which must be large enough to accommodate samples number of samples.</param>
/// <param name="buffer">a pointer to a buffer, which must be large enough to accommodate the number of samples.</param>
/// <param name="samples">the number of samples to be retrieved.</param>
[DllImport(Alc.Lib, EntryPoint = "alcCaptureSamples", ExactSpelling = true, CallingConvention = Alc.Style), SuppressUnmanagedCodeSecurity()]
public static extern void CaptureSamples([In] IntPtr device, [Out] out IntPtr buffer, [Out] out int samples);
public static extern void CaptureSamples(IntPtr device, IntPtr buffer, IntPtr samples);
// ALC_API void ALC_APIENTRY alcCaptureSamples( ALCdevice *device, ALCvoid *buffer, ALCsizei samples );
/// <summary>This function completes a capture operation, and does not block.</summary>
/// <param name="device">a pointer to a capture device.</param>
/// <param name="buffer">a reference to a buffer, which must be large enough to accommodate the number of samples.</param>
/// <param name="samples">the number of samples to be retrieved.</param>
public static void CaptureSamples<T>(IntPtr device, ref T buffer, int samples)
where T : struct
{
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
CaptureSamples(device, handle.AddrOfPinnedObject(), new IntPtr(samples));
}
finally
{
handle.Free();
}
}
/// <summary>This function completes a capture operation, and does not block.</summary>
/// <param name="device">a pointer to a capture device.</param>
/// <param name="buffer">a buffer, which must be large enough to accommodate the number of samples.</param>
/// <param name="samples">the number of samples to be retrieved.</param>
public static void CaptureSamples<T>(IntPtr device, T[] buffer, int samples)
where T : struct
{
CaptureSamples(device, ref buffer[0], samples);
}
/// <summary>This function completes a capture operation, and does not block.</summary>
/// <param name="device">a pointer to a capture device.</param>
/// <param name="buffer">a buffer, which must be large enough to accommodate the number of samples.</param>
/// <param name="samples">the number of samples to be retrieved.</param>
public static void CaptureSamples<T>(IntPtr device, T[,] buffer, int samples)
where T : struct
{
CaptureSamples(device, ref buffer[0, 0], samples);
}
/// <summary>This function completes a capture operation, and does not block.</summary>
/// <param name="device">a pointer to a capture device.</param>
/// <param name="buffer">a buffer, which must be large enough to accommodate the number of samples.</param>
/// <param name="samples">the number of samples to be retrieved.</param>
public static void CaptureSamples<T>(IntPtr device, T[,,] buffer, int samples)
where T : struct
{
CaptureSamples(device, ref buffer[0, 0, 0], samples);
}
#endregion Capture functions
}