FileVideoCapturer  
    Functions
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                  open fun initialize(surfaceTextureHelper: SurfaceTextureHelper, applicationContext: Context, capturerObserver: CapturerObserver)
This function is used to initialize the camera thread, the android application context, and the capture observer.
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                  Start capturing frames in a format that is as close as possible to 
width x height and framerate.Link copied to clipboard
                  Stop capturing.