private void _referenceProperties_MapChanged(IObservableMap <string, object> sender, IMapChangedEventArgs <string> @event)
{
if (@event.Key == "samplegrabber")
{
// Configure the analyzer
SampleGrabber.IMyInterface mft = (SampleGrabber.IMyInterface)sender["samplegrabber"];
mft.Configure(60.0f, 0.5f, 2048); // 60fps output, 50% overlap in frames and use 2048 fft
//mft.SetLogFScale(20.0f, 20000f, 800); // Output data in logarithmic scale, from 20Hz-20kHz, 800 points per channel
mft.SetLinearFScale(50);
}
}
const float peakMeterFallTime = 0.003f; // Slow fall time
void DrawSwapChain(CanvasSwapChain swapChain)
{
using (var ds = swapChain.CreateDrawingSession(Colors.Transparent))
{
var size = swapChain.Size.ToVector2();
var radius = (Math.Min(size.X, size.Y) / 2.0f) - 4.0f;
var center = size / 2;
if (PlayerService.Current.ReferencePropertySet?.ContainsKey("samplegrabber") == true)
{
SampleGrabber.IMyInterface mft = (SampleGrabber.IMyInterface)PlayerService.Current.ReferencePropertySet["samplegrabber"];
var dataFrame = mft.GetFrame();
Vector2 visualizationOffset = new Vector2(200, 20);
Vector2 barSize = new Vector2(5, 150);
DrawVisualization(dataFrame, ds, true, true, true, barSize, visualizationOffset);
// yuck
//lock (PassthroughEffect.GetBadLock())
/*
* {
* if (PlayerService.Current.ReferencePropertySet != null &&
* PlayerService.Current.ReferencePropertySet.ContainsKey("dataQueue") &&
* this.dataQueue == null)
* {
* this.dataQueue = PlayerService.Current.ReferencePropertySet["dataQueue"] as Queue<Tuple<double, double>>;
* }
*
* if (this.dataQueue != null && !hasNextValue && this.dataQueue.Count>0)
* {
* nextvalue = this.dataQueue.Dequeue();
* hasNextValue = true;
* } else if (this.dataQueue != null && this.dataQueue.Count == 0)
* {
* hasNextValue = false;
*
* }
* }
*
* if (dataQueue != null)
* {
* Debug.WriteLine(dataQueue.Count);
* }
*
* if (!weAreVisualizing && hasNextValue)
* {
* weAreVisualizing = true;
* delayStart = true;
* }
*
* if (weAreVisualizing && delayStart && delayCurrent < delayTotal)
* {
* delayCurrent++;
* }
* else
* {
* delayStart = false;
* delayCurrent = 0;
* }
*
* if (weAreVisualizing && delayStart)
* {
* DrawVU(ds, -100, -100);
* } else if (weAreVisualizing && !delayStart && nextvalue != null)
* {
* DrawVU(ds, nextvalue.Item1, nextvalue.Item2);
* hasNextValue = false;
* } else
* {
* Debug.WriteLine("miss");
* DrawVU(ds, -100, -100);
* }*/
}
swapChain.Present();
}
}
