Flip WebCam input Horizontally

[goro]

This simple code flips the texture but it doesn't solve the purpose..

import viz
viz.go()

ar = viz.add('artoolkit.dle')
camera = ar.addWebCamera()

camera.background.setEuler([180,0,0])
camera.background.setPosition([640,0,0])

marker = camera.addMarker('ar/patt.worldviz',width = 1000)

logo = viz.add('logo.ive')

viz.link(marker,logo)

Marker positions miss match with the image if we go with this code.