private void FrameCollection_CollectionProgressed(ExampleMediaFrameCollection sender, ExampleMediaFrameCollectionProgressedEventArgs args)
{
if (args.Frame.SourceKind == MediaFrameSourceKind.Color)
{
ColorFrameEpochs.Enqueue(args.Frame.SystemRelativeTime.Value);
if (ColorFrameEpochs.Count > 10)
{
ColorFrameEpochs.TryDequeue(out _);
}
}
else if (args.Frame.SourceKind == MediaFrameSourceKind.Infrared)
{
if (args.Frame.IsIlluminated == true)
{
IlluminatedInfraredFrameEpochs.Enqueue(args.Frame.SystemRelativeTime.Value);
if (IlluminatedInfraredFrameEpochs.Count > 10)
{
IlluminatedInfraredFrameEpochs.TryDequeue(out _);
}
}
else
{
NonIlluminatedInfraredFrameEpochs.Enqueue(args.Frame.SystemRelativeTime.Value);
if (NonIlluminatedInfraredFrameEpochs.Count > 10)
{
NonIlluminatedInfraredFrameEpochs.TryDequeue(out _);
}
}
}
// Must either dispose or take ownership of the frame
args.Frame.Dispose();
}
private void RawStats(MediaFrameReference frame)
{
if (frame == null)
{
return;
}
if (frame.SystemRelativeTime == null)
{
return;
}
if (frame.SourceKind == MediaFrameSourceKind.Color)
{
ColorFrameEpochs.Enqueue(frame.SystemRelativeTime.Value);
if (ColorFrameEpochs.Count > 10)
{
ColorFrameEpochs.TryDequeue(out _);
}
}
else if (frame.SourceKind == MediaFrameSourceKind.Infrared &&
frame.VideoMediaFrame != null &&
frame.VideoMediaFrame.InfraredMediaFrame != null)
{
if (frame.VideoMediaFrame.InfraredMediaFrame.IsIlluminated == true)
{
IlluminatedInfraredFrameEpochs.Enqueue(frame.SystemRelativeTime.Value);
if (IlluminatedInfraredFrameEpochs.Count > 10)
{
IlluminatedInfraredFrameEpochs.TryDequeue(out _);
}
}
else
{
NonIlluminatedInfraredFrameEpochs.Enqueue(frame.SystemRelativeTime.Value);
if (NonIlluminatedInfraredFrameEpochs.Count > 10)
{
NonIlluminatedInfraredFrameEpochs.TryDequeue(out _);
}
}
}
}
private async Task StopOperationAsync()
{
MediaCapture.FaceDetected -= MediaCapture_FaceDetected;
FrameReader.FrameArrived -= FrameReader_FrameArrived;
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
CaptureElement.Source = null;
});
await MediaCapture.StopPreviewAsync();
await FrameReader.StopAsync();
FrameCollection.Dispose();
ColorFrameEpochs.Clear();
IlluminatedInfraredFrameEpochs.Clear();
NonIlluminatedInfraredFrameEpochs.Clear();
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, DispatcherTimer.Stop);
FrameReaderStopTrigger.Stop();
}
