yes, this program is better suited to avchd as opposed to mp4. I have used Handbrake to trans-code .mov clips to .mkv. and then they can be processed.
Now if I could just get the ability of my camera to cut, split, and join the native files but in a software program in my computer it would really make editing a breeze, no re-encoding, just full clarity and definition.
Exactly, this type of basic functionality should be in programs like PD. The SVRT function attempts this but falls short. It would be nice to have a quick and dirty function alongside the bells and whistles.