The front anchor and strap for the curtain bag is about half-way down the inside of the A-Pillar.
I just fitted my new cam, and I've tucked the cable under the securing strap and cable tied it out of the way of any deployment.
You can see the strap and the front of the airbag are both forward of where the A-Pillar trim meets the headlining at about 17 seconds:
Euro NCAP Crash Test of Hyundai i30 - YouTubeI guess the worst case is you get hit by the camera as the bag goes off, but doesn't seem to be any point in risking it.