View Single Post
Old 22nd July 2014, 20:38   #12  |  Link
trumpet205
Registered User
 
Join Date: May 2014
Posts: 23
Because cropping means cutting borders away. Your display resolution now has gone smaller.

Smaller resolution means it takes less space in memory buffering. Level of H.264 is an indication of memory requirement.

Higher resolution or higher number of reference frames is more demanding. So when a resolution goes smaller you have more headroom for number of reference frames.
trumpet205 is offline   Reply With Quote