6.1. Function Overview¶
6.1.1. Objective¶
VPSS (video process sub system) is a video processing subsystem, which supports specific image processing functions, including CROP, Scale, pixel format conversion, Mirror/Flip, fixed angle rotation, fisheye correction, Overlay/Overlayex, etc.
6.1.2. Definitions and Abbreviations¶
VPSS: video process sub system
Grp: Group, which represents a group of VPSS in VPSS
Chn: channel, channels of VPSS group
VB: Video Buffer, the video memory buffer pool