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I'm currently integrating the Tracking and Sensor-Fusion Framework Ubitrack (http://campar.in.tum.de/UbiTrack/WebHome) into Fabric Engine. The extension provides access to various tracking systems and video-live streams to develop Augmented Reality applications.
Ubitrack runs a dataflow-engine as a background thread and i haven't found a clean way to start/stop and teardown the extension. I'm using the python-based Canvas implementation to test the extension.
I would like to:
a) start the ubitrack dataflow processing when play is pressed
b) stop the ubitrack dataflow processing when pause is pressed
c) teardown the background thread cleanly if the canvas graph is unloaded or if canvas is closed.
Are there any special hooks or signals that I can subscribe to in order to improve my extension?
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