Gated by the needs of FaceTime, I would suspect. 720x480 @ 30fps, baseline? H.264 is highly asymmetric, so they're not going to waste silicon on encoding hard

Gated by the needs of FaceTime, I would suspect. 720x480 @ 30fps, baseline? H.264 is highly asymmetric, so they're not going to waste silicon on encoding hardware beyond the basics.