def __init__(self, duration_ms, framerate, framecount):
        """
        Create a new MetadataVideoTrack instance.
        :param duration_ms: Duration of the video track (in milliseconds)
        :param framerate: Frame rate of the video track (in frames per second)
        """
        self._duration_ms = duration_ms
        self._framerate = framerate
        self._framecount = framecount
def __init__ ( self , duration_ms , framerate , framecount ) : self . _duration_ms = duration_ms self . _framerate = framerate self . _framecount = framecount
Create a new MetadataVideoTrack instance.
        :param duration_ms: Duration of the video track (in milliseconds)
        :param framerate: Frame rate of the video track (in frames per second)