Default [Q] 4.1/4.2 Camera

Is it okay to use the 4.1/4.2 camera apks on Android 4.4. I'm currently running the KitKat ROM on AT&T I747 and everytime the camera freezes/video messaging has exceeded size. I never had a problem when I had stock FW. With all the crap about no downgrading and hard-bricking(I hard bricked before trying to use Xposed settings) , would it be safe to use the 4.1/4.2 camera on version 4.4?