private void Application_SlideShowBegin(SlideShowWindow Wn)
{
if (!PresentationToNDIAddIn.Properties.Settings.Default.NDIDynamic)
{
return;
}
_window = Wn;
_wasFullscreenBefore = IsFullscreen;
_xOrig = Wn.Presentation.SlideMaster.Width;
_yOrig = Wn.Presentation.SlideMaster.Height;
_device = Direct3D11Helper.CreateDevice(!PresentationToNDIAddIn.Properties.Settings.Default.UseHw);
_d3dDevice = Direct3D11Helper.CreateSharpDXDevice(_device);
_factory = new Factory2();
_item = GetItem();
CreateCaptureItemDependendStuff();
_ndiSender = new Thread(SendNdi)
{
Priority = ThreadPriority.Normal, Name = "DynamicNdiSenderThread", IsBackground = true
};
_ndiSender.Start();
}
public BasicSampleApplication(Compositor compositor)
{
_compositor = compositor;
_device = Direct3D11Helper.CreateDevice();
// Setup our root
_root = _compositor.CreateContainerVisual();
_root.RelativeSizeAdjustment = Vector2.One;
// Setup our content
_brush = _compositor.CreateSurfaceBrush();
_brush.HorizontalAlignmentRatio = 0.5f;
_brush.VerticalAlignmentRatio = 0.5f;
_brush.Stretch = CompositionStretch.Uniform;
var shadow = _compositor.CreateDropShadow();
shadow.Mask = _brush;
_content = _compositor.CreateSpriteVisual();
_content.AnchorPoint = new Vector2(0.5f);
_content.RelativeOffsetAdjustment = new Vector3(0.5f, 0.5f, 0);
_content.RelativeSizeAdjustment = Vector2.One;
_content.Size = new Vector2(-80, -80);
_content.Brush = _brush;
_content.Shadow = shadow;
_root.Children.InsertAtTop(_content);
}
public OverlayScreenCaptureCaptureHandler(Compositor c)
{
__compositor = c;
__device = Direct3D11Helper.CreateDevice();
// Setup the root.
__root = __compositor.CreateContainerVisual();
__root.RelativeSizeAdjustment = Vector2.One;
// Setup the content.
__brush = __compositor.CreateSurfaceBrush();
__brush.HorizontalAlignmentRatio = 0.5f;
__brush.VerticalAlignmentRatio = 0.5f;
__brush.Stretch = CompositionStretch.Uniform;
var shadow = __compositor.CreateDropShadow();
shadow.Mask = __brush;
__content = __compositor.CreateSpriteVisual();
__content.AnchorPoint = new Vector2(0.5f);
__content.RelativeOffsetAdjustment = new Vector3(0.5f, 0.5f, 0);
__content.RelativeSizeAdjustment = Vector2.One;
__content.Brush = __brush;
__content.Shadow = shadow;
__root.Children.InsertAtTop(__content);
}
protected virtual void ResetFramePool(SizeInt32 size, bool recreateDevice)
{
do
{
try
{
if (recreateDevice)
{
_device = Direct3D11Helper.CreateDevice(!PresentationToNDIAddIn.Properties.Settings.Default.UseHw);
}
}
catch
{
_device = null;
recreateDevice = true;
}
} while (_device == null);
// detect change from or to fullscreen --> captureItem needs to be recreated
if ((_wasFullscreenBefore && !IsFullscreen) || (!_wasFullscreenBefore && IsFullscreen))
{
_wasFullscreenBefore = IsFullscreen;
DisposeCaptureItemDependentStuff();
_item = GetItem();
CreateCaptureItemDependendStuff();
}
else
{
_framePool.Recreate(_device, PixelFormat, 2, size);
}
}
public BasicSampleApplication(Compositor c)
{
compositor = c;
device = Direct3D11Helper.CreateDevice(false);
// Setup the root.
root = compositor.CreateContainerVisual();
root.RelativeSizeAdjustment = Vector2.One;
// Setup the content.
brush = compositor.CreateSurfaceBrush();
brush.HorizontalAlignmentRatio = 0.5f;
brush.VerticalAlignmentRatio = 0.5f;
brush.Stretch = CompositionStretch.Uniform;
var shadow = compositor.CreateDropShadow();
shadow.Mask = brush;
content = compositor.CreateSpriteVisual();
content.AnchorPoint = new Vector2(0.5f);
content.RelativeOffsetAdjustment = new Vector3(0.5f, 0.5f, 0);
content.RelativeSizeAdjustment = Vector2.One;
content.Size = new Vector2(-80, -80);
content.Brush = brush;
content.Shadow = shadow;
root.Children.InsertAtTop(content);
}
#pragma warning restore CS8618 // Non-nullable field is uninitialized. Consider declaring as nullable.
#endregion
#region Initialization
private void InitializeDevices()
{
var createdDevice = Direct3D11Helper.CreateDevice();
device = createdDevice ?? throw new Exception("Failed to create Direct3D device.");
var createdSharpDXDevice = Direct3D11Helper.CreateSharpDXDevice(device);
sharpDXDevice = createdSharpDXDevice ?? throw new Exception("Failed to create SharpDX device.");
multithread = sharpDXDevice.QueryInterface <Multithread>();
multithread.SetMultithreadProtected(true);
}
public ScreenCapture(GraphicsCaptureItem i)
{
item = i;
device = Direct3D11Helper.CreateDevice();
d3dDevice = Direct3D11Helper.CreateSharpDXDevice(device);
SizeInt32 correctedSize = item.Size;
correctedSize.Width = correctedSize.Width / 8 * 8;
correctedSize.Height = correctedSize.Height / 8 * 8;
var dxgiFactory = new Factory2();
var description = new SwapChainDescription1()
{
Width = correctedSize.Width,
Height = correctedSize.Height,
Format = Format.B8G8R8A8_UNorm,
Stereo = false,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0
},
Usage = Usage.RenderTargetOutput,
BufferCount = 2,
Scaling = Scaling.Stretch,
SwapEffect = SwapEffect.FlipSequential,
AlphaMode = AlphaMode.Premultiplied,
Flags = SwapChainFlags.None
};
swapChain = new SwapChain1(dxgiFactory, d3dDevice, ref description);
framePool = Direct3D11CaptureFramePool.Create(
device,
DirectXPixelFormat.B8G8R8A8UIntNormalized,
2,
correctedSize);
session = framePool.CreateCaptureSession(i);
lastSize = correctedSize;
framePool.FrameArrived += OnFrameArrived;
}
public GraphicsItemD3DImage()
{
if (App.Current.MainWindow != null)
{
IntPtr window = new WindowInteropHelper(App.Current.MainWindow).Handle;
var presentparams = new SharpDX.Direct3D9.PresentParameters
{
Windowed = true,
SwapEffect = SharpDX.Direct3D9.SwapEffect.Discard,
DeviceWindowHandle = window,
PresentationInterval = PresentInterval.Immediate,
};
const CreateFlags deviceFlags = CreateFlags.HardwareVertexProcessing | CreateFlags.Multithreaded | CreateFlags.FpuPreserve;
this.direct3d = new Direct3DEx();
this.device = Direct3D11Helper.CreateDevice();
this.d3dDevice = Direct3D11Helper.CreateSharpDXDevice(this.device);
this.d9device = new DeviceEx(this.direct3d, 0, DeviceType.Hardware, IntPtr.Zero, deviceFlags, presentparams);
this.IsFrontBufferAvailableChanged += this.GraphicItemD3DImageIsFrontBufferAvailableChanged;
}
}
public BasicSampleApplication(Compositor c)
{
compositor = c;
device = Direct3D11Helper.CreateDevice();
// Setup the root.
containerVisual = compositor.CreateContainerVisual();
containerVisual.RelativeSizeAdjustment = Vector2.One;
// Setup the content.
brush = compositor.CreateSurfaceBrush();
brush.HorizontalAlignmentRatio = 0.1f;
brush.VerticalAlignmentRatio = 0.1f;
brush.Stretch = CompositionStretch.Uniform;
spriteVisual = compositor.CreateSpriteVisual();
spriteVisual.AnchorPoint = new Vector2(0.1f);
spriteVisual.RelativeOffsetAdjustment = new Vector3(0.1f, 0.1f, 0);
spriteVisual.RelativeSizeAdjustment = Vector2.One;
//spriteVisual.Size = new Vector2(-80, -80);
spriteVisual.Brush = brush;
containerVisual.Children.InsertAtTop(spriteVisual);
}
public BasicSampleApplication()
{
device = Direct3D11Helper.CreateDevice();
}
public VideoCapture()
{
this.picker = new GraphicsCapturePicker();
this.device = Direct3D11Helper.CreateDevice();
}
public BasicCapturer()
{
device = Direct3D11Helper.CreateDevice();
}
static void Main(string[] args)
{
// Get a capture item that represents the primary monitor
var monitor = MonitorFromWindow(GetDesktopWindow(), MONITOR_DEFAULTTOPRIMARY);
var item = CaptureHelper.CreateItemForMonitor(monitor);
var size = item.Size;
// Setup D3D
var device = Direct3D11Helper.CreateDevice();
var d3dDevice = Direct3D11Helper.CreateSharpDXDevice(device);
var d3dContext = d3dDevice.ImmediateContext;
// Create our staging texture
var description = new SharpDX.Direct3D11.Texture2DDescription
{
Width = size.Width,
Height = size.Height,
MipLevels = 1,
ArraySize = 1,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
SampleDescription = new SharpDX.DXGI.SampleDescription()
{
Count = 1,
Quality = 0
},
Usage = SharpDX.Direct3D11.ResourceUsage.Staging,
BindFlags = SharpDX.Direct3D11.BindFlags.None,
CpuAccessFlags = SharpDX.Direct3D11.CpuAccessFlags.Read,
OptionFlags = SharpDX.Direct3D11.ResourceOptionFlags.None
};
var stagingTexture = new SharpDX.Direct3D11.Texture2D(d3dDevice, description);
// Setup capture
var framePool = Direct3D11CaptureFramePool.CreateFreeThreaded(
device,
DirectXPixelFormat.B8G8R8A8UIntNormalized,
1,
size);
var session = framePool.CreateCaptureSession(item);
var imageNum = 0;
var endEvent = new ManualResetEvent(false);
framePool.FrameArrived += (sender, a) =>
{
using (var frame = sender.TryGetNextFrame())
using (var bitmap = Direct3D11Helper.CreateSharpDXTexture2D(frame.Surface))
{
// Copy to our staging texture
d3dContext.CopyResource(bitmap, stagingTexture);
// Map our texture and get the bits
var mapped = d3dContext.MapSubresource(stagingTexture, 0, SharpDX.Direct3D11.MapMode.Read, SharpDX.Direct3D11.MapFlags.None);
var source = mapped.DataPointer;
var sourceStride = mapped.RowPitch;
// Allocate some memory to hold our copy
var bytes = new byte[size.Width * size.Height * 4]; // 4 bytes per pixel
unsafe
{
fixed(byte *bytesPointer = bytes)
{
var dest = (IntPtr)bytesPointer;
var destStride = size.Width * 4;
for (int i = 0; i < size.Height; i++)
{
SharpDX.Utilities.CopyMemory(dest, source, destStride);
source = IntPtr.Add(source, sourceStride);
dest = IntPtr.Add(dest, destStride);
}
}
}
// Don't forget to unmap when you're done!
d3dContext.UnmapSubresource(stagingTexture, 0);
// Encode it
// NOTE: Waiting here will stall the capture
EncodeBytesAsync($"image{imageNum}.png", size.Width, size.Height, bytes).Wait();
imageNum++;
if (imageNum > 10)
{
framePool.Dispose();
session.Dispose();
endEvent.Set();
}
}
};
// Start the capture and wait
session.StartCapture();
endEvent.WaitOne();
}