private void ResetFramePool(SizeInt32 size, bool recreateDevice)
{
do
{
try
{
if (recreateDevice)
{
_canvasDevice = new Microsoft.Graphics.Canvas.CanvasDevice();
}
_framePool.Recreate(
_canvasDevice,
DirectXPixelFormat.B8G8R8A8UIntNormalized,
2,
size);
}
// This is the device-lost convention for Win2D.
catch (Exception e) when(_canvasDevice.IsDeviceLost(e.HResult))
{
_canvasDevice = null;
recreateDevice = true;
}
} while (_canvasDevice == null);
}
public Encoder(Microsoft.Graphics.Canvas.CanvasDevice canvasDevice, GraphicsCaptureItem item, Windows.UI.Composition.CompositionDrawingSurface surface)
{
//_device = device;
_canvasDevice = canvasDevice;
_captureItem = item;
_surface = surface;
_isRecording = false;
CreateMediaObjects();
}
public MainPage()
{
InitializeComponent();
ApplicationView.GetForCurrentView().SetPreferredMinSize(
new Size(350, 200));
if (!GraphicsCaptureSession.IsSupported())
{
IsEnabled = false;
var dialog = new MessageDialog(
"Screen capture is not supported on this device for this release of Windows!",
"Screen capture unsupported");
var ignored = dialog.ShowAsync();
return;
}
_device = new Microsoft.Graphics.Canvas.CanvasDevice();
//_device = Direct3D11Helpers.CreateDevice();
var settings = GetCachedSettings();
var names = new List <string>();
names.Add(nameof(VideoEncodingQuality.HD1080p));
names.Add(nameof(VideoEncodingQuality.HD720p));
names.Add(nameof(VideoEncodingQuality.Uhd2160p));
names.Add(nameof(VideoEncodingQuality.Uhd4320p));
QualityComboBox.ItemsSource = names;
QualityComboBox.SelectedIndex = names.IndexOf(settings.Quality.ToString());
var frameRates = new List <string> {
"30fps", "60fps"
};
FrameRateComboBox.ItemsSource = frameRates;
FrameRateComboBox.SelectedIndex = frameRates.IndexOf($"{settings.FrameRate}fps");
UseCaptureItemSizeCheckBox.IsChecked = settings.UseSourceSize;
CanvasSetup();
}
public CaptureFrameWait(
Microsoft.Graphics.Canvas.CanvasDevice canvasDevice,
GraphicsCaptureItem item,
Windows.UI.Composition.CompositionDrawingSurface surface,
SizeInt32 size)
{
// _device = device;
_canvasDevice = canvasDevice;
_d3dDevice = Direct3D11Helpers.CreateSharpDXDevice(_canvasDevice);
_multithread = _d3dDevice.QueryInterface <SharpDX.Direct3D11.Multithread>();
_multithread.SetMultithreadProtected(true);
_item = item;
_surface = surface;
_frameEvent = new ManualResetEvent(false);
_closedEvent = new ManualResetEvent(false);
_events = new[] { _closedEvent, _frameEvent };
InitializeBlankTexture(size);
InitializeCapture(size);
_frameCounter = 0;
}
