public void FrameResized(int width, int height)
{
lock (device)
{
if (textureRGB != null)
{
Utilities.Dispose(ref textureRGB);
}
textureRGB = new Texture2D(device, new Texture2DDescription()
{
Usage = ResourceUsage.Default,
Format = Format.R8G8B8A8_UNorm,
Width = width,
Height = height,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
ArraySize = 1,
MipLevels = 1
});
srvRGB = new ShaderResourceView(device, textureRGB);
}
Utilities.Dispose(ref vpov);
videoDevice1.CreateVideoProcessorOutputView((Resource)textureRGB, vpe, vpovd, out vpov);
}
// Get's a handle to assosiate with the BackBuffer and Prepares Devices
private void Initialize(IntPtr outputHandle)
{
// SwapChain Description
var desc = new SwapChainDescription()
{
BufferCount = 1,
ModeDescription = new ModeDescription(0, 0, new Rational(0, 0), Format.B8G8R8A8_UNorm), // RBGA | BGRA 32-bit
IsWindowed = true,
OutputHandle = outputHandle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput
};
// Create Device, SwapChain & BackBuffer
Device.CreateWithSwapChain(SharpDX.Direct3D.DriverType.Hardware, DeviceCreationFlags.Debug | DeviceCreationFlags.BgraSupport, desc, out _device, out _swapChain);
_backBuffer = Texture2D.FromSwapChain <Texture2D>(_swapChain, 0);
// Creates Association between outputHandle and BackBuffer
var factory = _swapChain.GetParent <Factory>();
factory.MakeWindowAssociation(outputHandle, WindowAssociationFlags.IgnoreAll);
// Video Device | Video Context
videoDevice1 = _device.QueryInterface <VideoDevice1>();
videoContext1 = _device.ImmediateContext.QueryInterface <VideoContext1>();
// Creates Video Processor Enumerator
vpcd = new VideoProcessorContentDescription()
{
Usage = VideoUsage.PlaybackNormal,
InputFrameFormat = VideoFrameFormat.Progressive,
InputFrameRate = new Rational(1, 1),
OutputFrameRate = new Rational(1, 1),
// We Set those later
InputWidth = 1,
OutputWidth = 1,
InputHeight = 1,
OutputHeight = 1
};
videoDevice1.CreateVideoProcessorEnumerator(ref vpcd, out vpe);
videoDevice1.CreateVideoProcessor(vpe, 0, out videoProcessor);
// Prepares Video Processor Input View Description for Video Processor Input View that we pass Shared NV12 Texture (nv12SharedResource) each time
vpivd = new VideoProcessorInputViewDescription()
{
FourCC = 0,
Dimension = VpivDimension.Texture2D,
Texture2D = new Texture2DVpiv()
{
MipSlice = 0, ArraySlice = 0
}
};
// Creates Video Processor Output to our BackBuffer
vpovd = new VideoProcessorOutputViewDescription()
{
Dimension = VpovDimension.Texture2D
};
videoDevice1.CreateVideoProcessorOutputView((Resource)_backBuffer, vpe, vpovd, out vpov);
// Prepares Streams Array
vpsa = new VideoProcessorStream[1];
}
