Patent ID: 9565466
Date: 2017-02-07
CPC Classifications: H04N

Claim:
1. A video processing system, comprising: a video signal processor for receiving a video signal and for processing the video signal to obtain a plurality of video images and program information, and storing the program information in a program information buffer; an on screen display (OSD) information memory for storing a plurality of initial attributes related to an OSD image; a microprocessor for issuing an OSD paint command and accessing the program information buffer to obtain the program information; an OSD control module for receiving the OSD paint command directing the OSD control module to begin painting a frame of the OSD image, the OSD control module acquiring the program information though the microprocessor, and converting the program information and the plurality of initial attributes to form the OSD image in response to the OSD paint command, wherein the plurality of initial attributes are defined by the video processing system receiving the video signal, wherein the OSD control module comprises: a graphic unit directly converting the program information and the plurality of initial attributes to form the OSD image without storing the program information in the OSD information memory; and an OSD image buffer storing the OSD image comprising a frame and the program information; and a plane mixer for receiving the plurality of video images and the OSD image and selectively outputting the video images and the OSD image to a display device in response to control signals from the microprocessor.