SinkWriter

private int InitializeSinkWriter(String outputFile, int videoWidth, int videoHeight, SharpDX.DXGI.Device pDevice)
        {
            IMFMediaType mediaTypeIn = null;
            IMFMediaType mediaTypeOut = null;
            IMFAttributes attributes = null;

            int hr = 0;
            object pDeviceManager = Marshal.GetIUnknownForObject(pDevice.NativePointer);

            if (Succeeded(hr)) hr = (int)MFExtern.MFCreateAttributes(out attributes, 3);
            if (Succeeded(hr)) hr = (int)attributes.SetUINT32(MFAttributesClsid.MF_READWRITE_ENABLE_HARDWARE_TRANSFORMS, 1);
            if (Succeeded(hr)) hr = (int)attributes.SetUnknown(MFAttributesClsid.MF_SINK_WRITER_D3D_MANAGER, pDeviceManager);
            if (Succeeded(hr)) hr = (int)attributes.SetUINT32(MFAttributesClsid.MF_LOW_LATENCY, 1);

            // Create the sink writer
            if (Succeeded(hr)) hr = (int)MFExtern.MFCreateSinkWriterFromURL(outputFile, null, attributes, out sinkWriter);

            // Create the output type
            if (Succeeded(hr)) hr = (int)MFExtern.MFCreateMediaType(out mediaTypeOut);
            if (Succeeded(hr)) hr = (int)mediaTypeOut.SetGUID(MFAttributesClsid.MF_MT_MAJOR_TYPE, MFMediaType.Video);
            if (Succeeded(hr)) hr = (int)mediaTypeOut.SetGUID(MFAttributesClsid.MF_MT_SUBTYPE, MFMediaType.H264);
            if (Succeeded(hr)) hr = (int)mediaTypeOut.SetUINT32(MFAttributesClsid.MF_MT_AVG_BITRATE, videoBitRate);
            if (Succeeded(hr)) hr = (int)mediaTypeOut.SetUINT32(MFAttributesClsid.MF_MT_INTERLACE_MODE, (int)MFVideoInterlaceMode.Progressive);

            if (Succeeded(hr)) hr = (int)MFExtern.MFSetAttributeSize(mediaTypeOut, MFAttributesClsid.MF_MT_FRAME_SIZE, videoWidth, videoHeight);
            if (Succeeded(hr)) hr = (int)MFExtern.MFSetAttributeRatio(mediaTypeOut, MFAttributesClsid.MF_MT_FRAME_RATE, VIDEO_FPS, 1);
            if (Succeeded(hr)) hr = (int)MFExtern.MFSetAttributeRatio(mediaTypeOut, MFAttributesClsid.MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
            if (Succeeded(hr)) hr = (int)sinkWriter.AddStream(mediaTypeOut, out streamIndex);



            // Create the input type
            if (Succeeded(hr)) hr = (int)MFExtern.MFCreateMediaType(out mediaTypeIn);
            if (Succeeded(hr)) hr = (int)mediaTypeIn.SetGUID(MFAttributesClsid.MF_MT_MAJOR_TYPE, MFMediaType.Video);
            if (Succeeded(hr)) hr = (int)mediaTypeIn.SetGUID(MFAttributesClsid.MF_MT_SUBTYPE, MFMediaType.ARGB32);
            if (Succeeded(hr)) hr = (int)mediaTypeIn.SetUINT32(MFAttributesClsid.MF_MT_INTERLACE_MODE, (int)MFVideoInterlaceMode.Progressive);
            if (Succeeded(hr)) hr = (int)MFExtern.MFSetAttributeSize(mediaTypeIn, MFAttributesClsid.MF_MT_FRAME_SIZE, videoWidth, videoHeight);
            if (Succeeded(hr)) hr = (int)MFExtern.MFSetAttributeRatio(mediaTypeIn, MFAttributesClsid.MF_MT_FRAME_RATE, VIDEO_FPS, 1);
            if (Succeeded(hr)) hr = (int)MFExtern.MFSetAttributeRatio(mediaTypeIn, MFAttributesClsid.MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
            if (Succeeded(hr)) hr = (int)sinkWriter.SetInputMediaType(streamIndex, mediaTypeIn, null);


            // Start accepting data
            if (Succeeded(hr)) hr = (int)sinkWriter.BeginWriting();

            COMBase.SafeRelease(mediaTypeOut);
            COMBase.SafeRelease(mediaTypeIn);

            return hr;
        }