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