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The Util[M]Pipeline helper class provides a simple interface for some (limited) application usage cases, including finger tracking, voice recognition and face analysis processing from live camera or from a file.
The application usually derives a class from the Util[M]Pipeline utility class for overriding certain callback functions. The general procedure for using the Util[M]Pipeline utility is as follows:
▪Run the pipeline: The application calls the LoopFrames function to initialize the pipeline and pass data among the pipeline components.
▪Handle events: The application overrides the OnXXXX function to handle events from pipeline event notification. Particularly, the return value of the OnNewFrame function signals when to exit the pipeline.