Hello, I tested a free app called AJA Datacalc, with it you can calculate:
- how much space a movie clip with a chosen codec takes,
- how much time you can record in a chosen codec for a given space.
Very handy!
https://itunes.apple.com/se/app/aja-datacalc/id343454572?mt=8
(http://img.tapatalk.com/d/13/11/08/ysytyga6.jpg)
(http://img.tapatalk.com/d/13/11/08/ydunyqyd.jpg)