89 lines
4.2 KiB
C#
89 lines
4.2 KiB
C#
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Runtime.InteropServices;
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namespace SharpDX.XAPO
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{
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/// <summary>
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/// Internal AudioProcessorShadow
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/// </summary>
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/// <unmanaged>IXAPOParameters</unmanaged>
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[Guid("a90bc001-e897-e897-55e4-9e4700000001")]
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internal class ParameterProviderShadow : ComObjectShadow
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{
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private static readonly ParameterProviderVtbl Vtbl = new ParameterProviderVtbl();
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/// <summary>
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/// Return a pointer to the unmanaged version of this callback.
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/// </summary>
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/// <param name="callback">The callback.</param>
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/// <returns>A pointer to a shadow c++ callback</returns>
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public static IntPtr ToIntPtr(ParameterProvider callback)
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{
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return ToCallbackPtr<ParameterProvider>(callback);
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}
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public class ParameterProviderVtbl : ComObjectVtbl
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{
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public ParameterProviderVtbl() : base(2)
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{
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AddMethod(new GetSetParametersDelegate(SetParametersImpl));
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AddMethod(new GetSetParametersDelegate(GetParameters));
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate void GetSetParametersDelegate(IntPtr thisObject, IntPtr paramPointer, int paramSize);
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/// <summary>
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/// Sets effect-specific parameters.
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/// </summary>
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/// <param name="thisObject">This pointer</param>
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/// <param name="paramPointer"> Effect-specific parameter block. </param>
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/// <param name="paramSize">size of the parameters</param>
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/// <unmanaged>void IXAPOParameters::SetParameters([In, Buffer] const void* pParameters,[None] UINT32 ParameterByteSize)</unmanaged>
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/* public void SetParameters(IntPtr arametersRef, int parameterByteSize) */
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private static void SetParametersImpl(IntPtr thisObject, IntPtr paramPointer, int paramSize)
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{
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var shadow = ToShadow<ParameterProviderShadow>(thisObject);
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var callback = (ParameterProvider) shadow.Callback;
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callback.SetParameters(new DataStream(paramPointer, paramSize, true, true));
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}
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/// <summary>
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/// Gets the current values for any effect-specific parameters.
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/// </summary>
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/// <param name="thisObject">This pointer</param>
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/// <param name="paramPointer">[in, out] Receives an effect-specific parameter block. </param>
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/// <param name="paramSize">size of the parameters</param>
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/// <unmanaged>void IXAPOParameters::GetParameters([Out, Buffer] void* pParameters,[None] UINT32 ParameterByteSize)</unmanaged>
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private void GetParameters(IntPtr thisObject, IntPtr paramPointer, int paramSize)
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{
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var shadow = ToShadow<ParameterProviderShadow>(thisObject);
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var callback = (ParameterProvider)shadow.Callback;
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callback.GetParameters(new DataStream(paramPointer, paramSize, true, true));
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}
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}
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protected override CppObjectVtbl GetVtbl
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{
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get { return Vtbl; }
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}
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}
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} |