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Graphics display system with video scaler

  • US 7,920,151 B2
  • Filed: 05/26/2009
  • Issued: 04/05/2011
  • Est. Priority Date: 11/09/1998
  • Status: Expired due to Fees
First Claim
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1. A system for processing video, the system comprising:

  • one or more processors and/or circuits for use in a video processing device, said one or more processors and/or circuits comprise a video scaler, a memory, a scaler engine, a clock selection circuit, and wherein said one or more processors and/or circuits are operable to;

    receive a video image;

    select one of a video input clock and a display output clock for upscaling said received video image and/or select one of said video input clock and said display output clock for downscaling said received video image based on a determination of whether said video image is to be downscaled or upscaled;

    downscale said received video image to generate a first scaled video image based on said selection and/or upscale said received video image to generate a second scaled video image based on said selection; and

    store said received video image and/or said first scaled video image.

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