Opens file dialog for adding audio waveforms to a performance

Close connection with database

Draws the body data at frame n

Draws frame time and num

Reads the next frame of video

For each item in each dataset, export to .csv file

Returns the magnitude of two vectors - A and B must be the same size

Returns the the % of change in size of frame

Loads the performance data and plays back with pygame

Returns True when the value of KinecService.wait() > KinecService._timeout

Returns True if the difference between the last frame timestamp and the first frame timestamp exceeds dur

Creates a player object that outputs to file not screen

Used to animate the drawing - passes a blitting=True argument to draw()

e.g. db.update(tbl1, name, ryan, id, 3) updates the name of tbl1 with id 3 to Ryan

Over-rides KinectDataPlayer to write the output to the VideoWriter