/// <summary> /// Initializes a new instance of the <see cref="WICStream"/> class from a <see cref="IStream"/>. /// </summary> /// <param name="factory">The factory.</param> /// <param name="stream">The stream.</param> /// <msdn-id>ee719789</msdn-id> /// <unmanaged>HRESULT IWICStream::InitializeFromIStream([In, Optional] IStream* pIStream)</unmanaged> /// <unmanaged-short>IWICStream::InitializeFromIStream</unmanaged-short> public WICStream(ImagingFactory factory, Stream stream) : base(IntPtr.Zero) { factory.CreateStream(this); streamProxy = new ComStreamProxy(stream); var istreamPtr = ComStreamShadow.ToIntPtr(streamProxy); InitializeFromIStream_(istreamPtr); }
protected override void Dispose(bool disposing) { if (streamProxy != null) { streamProxy.Dispose(); streamProxy = null; } base.Dispose(disposing); }
/// <summary> /// Instantiates a new instance <see cref="ByteStream"/> from a <see cref="Stream"/>. /// </summary> /// <msdn-id>hh162754</msdn-id> /// <unmanaged>HRESULT MFCreateMFByteStreamOnStreamEx([In] IUnknown* punkStream,[Out] IMFByteStream** ppByteStream)</unmanaged> /// <unmanaged-short>MFCreateMFByteStreamOnStreamEx</unmanaged-short> public ByteStream(Stream sourceStream) { this.sourceStream = sourceStream; #if WIN8METRO var randomAccessStream = sourceStream.AsRandomAccessStream(); randomAccessStreamCom = new ComObject(Marshal.GetIUnknownForObject(randomAccessStream)); MediaFactory.CreateMFByteStreamOnStreamEx(randomAccessStreamCom, this); #else streamProxy = new ComStreamProxy(sourceStream); IByteStream localStream; MediaFactory.CreateMFByteStreamOnStream(ComStream.ToIntPtr(streamProxy), out localStream); NativePointer = ((ByteStream) localStream).NativePointer; #endif }
protected unsafe override void Dispose(bool disposing) { base.Dispose(disposing); if (streamProxy != null) { streamProxy.Dispose(); streamProxy = null; } if (randomAccessStreamCom != null) { randomAccessStreamCom.Dispose(); randomAccessStreamCom = null; } }