public void StartProcessingPluginChain(IProcessingPluginChain processingPluginChain)
{
cancellationTokenSource = new CancellationTokenSource();
Task.Run(() =>
{
RunProcessingPluginChain(processingPluginChain, cancellationTokenSource.Token);
});
}
private void RunProcessingPluginChain(IProcessingPluginChain processingPluginChain, CancellationToken cancellationToken)
{
foreach (var inputDevice in processingPluginChain.InputDevices)
{
inputDevice.Plugin.Run(inputDevice.Context);
}
foreach (var effect in processingPluginChain.EffectPluginChain.Effects)
{
((EffectPluginContext)effect.Context).FixInitialPointsCollection();
}
var processingStopwatch = new Stopwatch();
processingStopwatch.Start();
var throttleMilliseconds = 100;
long timeOfLastUpdateMilliseconds = 0;
while (!cancellationToken.IsCancellationRequested)
{
PointsCollection effectChange = null;
var chainedOutputContexts = new List <Tuple <IPluginDependency, IPluginContext> >();
foreach (var effect in processingPluginChain.EffectPluginChain.Effects)
{
var context = (EffectPluginContext)effect.Context;
context.ResetToInitialPointsCollection();
foreach (var chainedOutputContext in chainedOutputContexts.Where(coc => coc.Item1.DependentPlugin == effect.Plugin))
{
var output = chainedOutputContext.Item2.GetOutput(chainedOutputContext.Item1.SourcePluginOutputName);
effect.Context.SetInput(chainedOutputContext.Item1.DependentPluginInputName, output);
}
if (effectChange != null)
{
context.PointsCollection = effectChange;
}
context.ElapsedMilliseconds = processingStopwatch.ElapsedMilliseconds;
effect.Plugin.Run(context);
foreach (var chainedOutput in processingPluginChain.PluginDependencies.Where(pd => pd.DependentPlugin == effect.Plugin))
{
chainedOutputContexts.Add(new Tuple <IPluginDependency, IPluginContext>(chainedOutput, context));
}
effectChange = context.PointsCollection;
}
effectChange.CompletePointOperations();
foreach (var outputDevice in processingPluginChain.OutputDevices)
{
var context = (OutputDevicePluginContext)outputDevice.Context;
context.SetPointsCollection(effectChange);
outputDevice.Plugin.Run(context);
}
while (processingStopwatch.ElapsedMilliseconds < timeOfLastUpdateMilliseconds + throttleMilliseconds)
{
continue;
}
timeOfLastUpdateMilliseconds = processingStopwatch.ElapsedMilliseconds;
}
}
