Interpolation arithmetic device and method

An interpolation operation and interpolation technology, applied in the field of video file encoding and decoding, can solve the problems of reducing product competitiveness, increasing chip area, increasing cost, etc., and achieving the effect of optimizing processing structure and control strategy

Inactive Publication Date: 2009-05-06
ACTIONS SEMICONDUCTOR
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

However, due to the different interpolation calculation processing methods in standards such as MPEG2, MPEG4, H.264, VC-1 and AVS, if multiple discrete interpolation calculation devices are used to adapt to different standards, the structure of the codec system will be reduced. Very complicated, although the compatibility of the codec system has been improved, but the chip area will increase, and the cost will also increase. Such defects will obviously reduce the competitiveness of the product in the market, especially in the field of portable players, small size , Cost-effective is the mainstream trend in the market

Method used

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  • Interpolation arithmetic device and method

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Embodiment Construction

[0046] The interpolation operation device described in the present invention can be applied in the encoding and decoding process of various video encoding and decoding standards such as MPEG2, MPEG4, H.264, VC-1 and AVS. see image 3 , the interpolation operation device 100 disclosed in the present invention includes a bus interface 110, a data storage unit 120, a multiplexer 130, a data operation module 140, a controller 150, an intermediate data buffer 160, and a data selection module 170, wherein the data selection module 170 includes a demultiplexing unit 178 and an average and reconstruction operation unit 179 .

[0047]The bus interface 110 is connected with the data storage unit 120 and the controller 150 respectively, and completes the communication between the external bus and the internal data. The internal data space that can be accessed by the external bus includes the control registers in the data memory 120 and the controller 150 (not shown in the figure) ).

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Abstract

An operation device of interpolation is prepared as connecting bus interface, data storage unit, multi-path selector, data operation module, intermediate data buffer and data selection module all to controller and then receiving generated control signal of said controller by all said units connected with said controller.

Description

technical field [0001] The invention relates to the field of encoding and decoding of video files, in particular to an interpolation operation device and method for performing motion compensation in the process of encoding and decoding video images. Background technique [0002] Digital video technology is widely used in communications, computers, radio and television, portable players and other fields, resulting in the encoding and decoding standards of various video files, such as MPEG2, MPEG4, H.264, VC-1 and AVS, etc. Wait. The application fields of these standards have different emphases and overlap each other. For example, the MPEG series standards are more widely used in the field of video storage and broadcast television; the H.264 standard is more widely used in the fields of real-time video communication and Internet streaming media; VC-1 is mainly used in Windows platform and portable video; AVS is mainly used in high-definition video transmission and storage app...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/24
Inventor 孙文福祝杰何积军
Owner ACTIONS SEMICONDUCTOR
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