Method and apparatus for decoding compressed video image data
AssigneeSunplus Technology Co., Ltd.
InventorsYing-Chih Yang, Han-Liang Chou, Jen-Yi Liao
Life of this patent
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Abstract
A method and an apparatus for decoding video image data including a plurality of frames are provided. Each of the frames includes a reserved portion and a non-reserved portion. The method comprises decoding only the non-reserved portion of one of the frames and displaying the decoded non-reserved portion of the frame and the reserved portion of a previously decoded frame. The apparatus comprises a decoding device to decode the non-reserved portion of one of the frames and a displaying device to display the reserved portion of a previously decoded frame and the decoded non-reserved portion of the frame.
Claims17
A method for decoding a frame of video image data in a video display apparatus, comprising:
- dividing the frame, by a decoding device of the video display apparatus, into a reserved portion and a non-reserved portion;
- decoding, by the decoding device, the reserved portion of the frame;
- storing the reserved portion of the frame into a first portion of a frame buffer;
- displaying the reserved portion of the frame on a display device of the video display apparatus;
- decoding, by the decoding device, a first part of the non-reserved portion of the frame;
- storing the first cart of the non-reserved portion of the frame in a second portion of the frame buffer;
- displaying the first part of the non-reserved portion of the frame on the display device;
- decoding, by the decoding device, a second part of the non-reserved portion of the frame;
- storing the second part of the non-reserved portion of the frame in the second portion of the frame buffer;
- and
- displaying the second part of the non-reserved portion of the frame on the display device.
An apparatus for decoding a frame of video image data comprising:
- a frame buffer;
- a decoding device configured to
- divide the frame into a reserved portion and a non-reserved portion;
- decode the reserved portion of the frame;
- store the reserved portion of the frame into a first portion of the frame buffer;
- decode a first part of the non-reserved portion of the frame;
- store the first part of the non-reserved portion of the frame in a second portion of the frame buffer;
- decode a second part of the non-reserved portion of the frame;
- and
- store the second part of the non-reserved portion of the frame in the second portion of the frame buffer;
- and
- a display device configured to display the reserved portion of the frame, the first part of the non-reserved portion of the frame, and the second part of the non-reserved portion of the frame.
Dependencies are inferred from the claim text.