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Heat Accumulators

Method-for-optimizing-MPEG-2-video-playback-consistency

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Method for optimizing MPEG-2 video playback consistency

Details

Inventors: Webb, Richard Whitby; Lightstone, Michael L.;
Assignee: ATI International SRL (Barbados, KN)
Primary Examiner: Boccio; Vincent
Assistant Examiner:
Attorney, Agent or Firm: Vedder, Price, Kaufman & Kammholz

The present invention provides a method for improving playback consistency of an encoded video stream. The method of the present invention first determines whether a series of values of the progressive_frame flag of consecutive frames of the encoded video stream are arranged in a predetermined pattern. If the values are arranged in the predetermined pattern, an image of at least one of the frames is displayed progressively regardless of the value of the progressive_frame flag of that frame. As a result, the video stream is played back as if the movie had been consistently encoded in the first place.

DETAILED DESCRIPTION The present invention provides a method for improving playback consistency of an encoded video stream.
The method of the present invention first determines whether a series of values of the progressive_frame flag of consecutive images of the encoded video stream are arranged in a predetermined pattern.
If the values are arranged in the predetermined pattern, the image of at least one of the frames is displayed progressively regardless of the value of the progressive_frame flag for that frame.
As a result, the video stream is played back as if the movie had been consistently encoded in the first place.

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