public void GlobalTest10()
{
MainViewModel mvm = MainViewModelTest.GetInstance();
PipelineViewModel pvm = mvm.PipelineViewModel;
// Step 1: The user clicks "New" to create a new pipeline
mvm.Clear();
Assert.Empty(mvm.Model.Graph.Nodes);
var mock = new Mock <IDragEventInfo>();
// Step 2: Create each type of node once by drag-and-drop
VideoInputNode vin = (VideoInputNode)AddNode <VideoInputNode>(pvm, mock, new Point(10, 30));
AdditiveMergeNode amn = (AdditiveMergeNode)AddNode <AdditiveMergeNode>(pvm, mock, new Point(30, 30));
BlurNode bn = (BlurNode)AddNode <BlurNode>(pvm, mock, new Point(50, 30));
BrightnessContrastSaturationNode bcsn =
(BrightnessContrastSaturationNode)AddNode <BrightnessContrastSaturationNode>(pvm, mock, new Point(70, 30));
ColorInputNode cin = (ColorInputNode)AddNode <ColorInputNode>(pvm, mock, new Point(10, 50));
DelayNode dln = (DelayNode)AddNode <DelayNode>(pvm, mock, new Point(90, 30));
DiagramNode dgn = (DiagramNode)AddNode <DiagramNode>(pvm, mock, new Point(110, 30));
DifferenceNode dfn = (DifferenceNode)AddNode <DifferenceNode>(pvm, mock, new Point(30, 50));
HistogramNode hn = (HistogramNode)AddNode <HistogramNode>(pvm, mock, new Point(50, 50));
ImageInputNode imin = (ImageInputNode)AddNode <ImageInputNode>(pvm, mock, new Point(70, 50));
InverterNode invn = (InverterNode)AddNode <InverterNode>(pvm, mock, new Point(90, 50));
NoiseInputNode nin = (NoiseInputNode)AddNode <NoiseInputNode>(pvm, mock, new Point(110, 50));
OverlayNode on = (OverlayNode)AddNode <OverlayNode>(pvm, mock, new Point(10, 70));
RgbSplitNode rgbsn = (RgbSplitNode)AddNode <RgbSplitNode>(pvm, mock, new Point(30, 70));
WeightedAveragedMergeNode wamn =
(WeightedAveragedMergeNode)AddNode <WeightedAveragedMergeNode>(pvm, mock, new Point(50, 70));
// Step 3: Create the edges
mvm.Model.Graph.AddEdge(vin.Outputs[0], bn.Inputs[0]);
Assert.Equal(vin.Outputs[0], bn.Inputs[0].Source);
amn.Inputs.Add(new Node.Input());
mvm.Model.Graph.AddEdge(vin.Outputs[0], amn.Inputs[0]);
Assert.Equal(vin.Outputs[0], amn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(bn.Outputs[0], dln.Inputs[0]);
Assert.Equal(bn.Outputs[0], dln.Inputs[0].Source);
mvm.Model.Graph.AddEdge(dln.Outputs[0], dfn.Inputs[0]);
Assert.Equal(dln.Outputs[0], dfn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(imin.Outputs[0], dfn.Inputs[1]);
Assert.Equal(imin.Outputs[0], dfn.Inputs[1].Source);
mvm.Model.Graph.AddEdge(dfn.Outputs[0], invn.Inputs[0]);
Assert.Equal(dfn.Outputs[0], invn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(invn.Outputs[0], on.Inputs[0]);
Assert.Equal(invn.Outputs[0], on.Inputs[0].Source);
mvm.Model.Graph.AddEdge(vin.Outputs[0], on.Inputs[1]);
Assert.Equal(vin.Outputs[0], on.Inputs[1].Source);
mvm.Model.Graph.AddEdge(vin.Outputs[0], rgbsn.Inputs[0]);
Assert.Equal(vin.Outputs[0], rgbsn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(rgbsn.Outputs[2], hn.Inputs[0]);
Assert.Equal(rgbsn.Outputs[2], hn.Inputs[0].Source);
}
public void ViewlessPipeline()
{
var input = new VideoInputNode {
FileName = new FilePath(@"..\..\..\..\resources\americanFootball_352x240_125.yuv")
};
Node graph = new BrightnessContrastSaturationNode {
Contrast = 10
}; //new BlurNode { Radius = 3 };
graph.Inputs[0].Source = input.Outputs[0];
IObservable <Frame> frames = new PipelineDriver().RenderTicks(new[] { graph }, tickCount: input.TickCount)
.Select(dic => dic[graph.Outputs[0]]);
YuvEncoder.Encode(
@"..\..\..\..\output\ViewlessPipeline_sif.yuv",
frames.ToEnumerable()
);
}
public void ViewfulPipeline()
{
var input = new VideoInputNode {
FileName = new FilePath(@"..\..\..\..\resources\americanFootball_352x240_125.yuv")
};
Func <Node, Node> makeNode = n => {
Node n2 = new InverterNode();
n2.Inputs[0].Source = n.Outputs[0];
return(n2);
};
Node graph = makeNode(makeNode(makeNode(input)));
IoC.GetInstance = delegate { return(new EventAggregator()); };
var output = new VideoOutputViewModel(graph.Outputs[0]);
var sw = Stopwatch.StartNew();
new PipelineDriver().RenderTicks(new[] { graph }, tickCount: input.TickCount)
.ForEach(dic => output.Handle(new TickRenderedMessage(dic)));
Console.WriteLine(sw.ElapsedMilliseconds + " ms");
}
public void Test40()
{
// Step 1: create an arbitrary acyclical pipeline with an input and a manipulation node
MainViewModel mvm = MainViewModelTest.GetInstance();
VideoInputNode video = new VideoInputNode();
BlurNode blur = new BlurNode()
{
Type = BlurType.Gaussian, Radius = 3
};
DisplayNode display = new DisplayNode();
// We'll have to dump this node's output later, so we need a ViewModel
NodeViewModel blurVM = new NodeViewModel(blur, mvm.PipelineViewModel);
mvm.Model.Graph.AddNode(video);
mvm.Model.Graph.AddNode(blur);
mvm.Model.Graph.AddNode(display);
mvm.Model.Graph.AddEdge(video.Outputs[0], blur.Inputs[0]);
mvm.Model.Graph.AddEdge(blur.Outputs[0], display.Inputs[0]);
// Assert that the graph is well-formed
Assert.Contains(video, mvm.Model.Graph.Nodes);
Assert.Contains(blur, mvm.Model.Graph.Nodes);
Assert.Contains(display, mvm.Model.Graph.Nodes);
Assert.Equal(blur.Inputs[0].Source, video.Outputs[0]);
Assert.Equal(display.Inputs[0].Source, blur.Outputs[0]);
// Step 2: change the video input data
Assert.False(display.InputIsValid);
video.FileName = new FilePath(@"..\..\..\..\resources\americanFootball_352x240_125.yuv");
Assert.True(display.InputIsValid);
// Step 3: open the DisplayNode's output and play the video
DisplayViewModel output = display.Window;
Assert.Equal(display, output.NodeModel);
Assert.False(mvm.Model.IsPlaying);
mvm.ReplayStateViewModel.PlayPause();
Assert.True(mvm.Model.IsPlaying);
// Step 4: Change a node's options while the video is playing
blur.Radius = 0;
Assert.True(mvm.Model.IsPlaying);
Assert.True(display.InputIsValid);
// Step 5: change replay speed while video is playing
int oldSpeed = mvm.Model.Speed;
mvm.ReplayStateViewModel.Slower();
Assert.True(oldSpeed > mvm.Model.Speed);
// Step 6: pause the video
mvm.ReplayStateViewModel.PlayPause();
Assert.False(mvm.Model.IsPlaying);
// Step 7: resumes the video
mvm.ReplayStateViewModel.PlayPause();
Assert.True(mvm.Model.IsPlaying);
// Step 8: resets the video playing state
mvm.ReplayStateViewModel.Stop();
Assert.Equal(0, mvm.Model.CurrentTick);
Assert.False(mvm.Model.IsPlaying);
// Step 9: save the video as yuv file
blurVM.SaveNodeOutput(blur.Outputs[0]);
// Since we can't create a FileChooser here, we'll have to invoke the SaveNodeOutputViewModel directly
System.IO.MemoryStream stream = new System.IO.MemoryStream();
SaveNodeOutputViewModel saveVM = new SaveNodeOutputViewModel(blur.Outputs[0], stream, mvm.Model);
Assert.Equal(mvm.Model.Graph.TickCount, saveVM.TickCount);
// I'm sorry for this. I really am. I found no better way of testing this.
System.Threading.Thread.Sleep(1000);
try {
Assert.NotEqual(0, stream.Capacity);
} catch (ObjectDisposedException) {
// This means the SaveNodeOutputViewModel is already done and has disposed of its stream
// That's just another possibility that's just as valid, and signifies proper execution
}
}
