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US 2009/0290644 A1Published application
Video processing system with layered video coding for fast channel change and methods for use therewith
AssigneeBroadcom Corporation
InventorsStephen E. Gordon, Jeyhan Karaoguz, Sherman (Xuemin) Chen, Michael Dove, David Rosmann, Thomas J. Quigley
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Abstract
A video processing system includes a video encoder that encodes a video stream into a independent video layer stream and a first dependent video layer stream based on a motion vector data or grayscale and color data.
Claims18
A video processing system comprising:
- a video encoder that encodes a video stream into a independent video layer stream and a first dependent video layer stream, wherein the independent video layer stream includes a first plurality of random access points having a first frequency, and wherein the first dependent video layer stream includes a second plurality of random access points having a second frequency;
- a video decoder that, in a first mode of operation, is coupled to receive the independent video layer stream, to begin decoding the independent video layer stream based on at least one of the first plurality of random access points and to generate a reconstructed video signal based on the independent video layer stream, without the first dependent video layer stream.
A video processing system comprising:
- a video encoder that encodes a video stream into a independent video layer stream and a first dependent video layer stream;
- wherein the independent video layer stream includes a first plurality of random access points having a first frequency, and wherein the first dependent video layer stream includes a second plurality of random access points having a second frequency, and wherein the first frequency is greater than the second frequency.
A method comprising comprising:
- encoding a video stream into an independent video layer stream and a first dependent video layer stream, wherein the independent video layer stream includes a first plurality of random access points having a first frequency, and wherein the first dependent video layer stream includes a second plurality of random access points having a second frequency, and wherein the first frequency is greater than the second frequency.
Dependencies are inferred from the claim text.