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Decoding system and graphics processing unit

A technology of graphics processing unit and decoding system, applied in electrical components, image communication, television, etc., can solve problems such as lack of design and high inventory

Active Publication Date: 2007-11-14
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to meet these continuously changing needs, many different software-only or hardware-only solutions have been proposed, however, known techniques all lead to higher inventory , an immediately obsolete technology, and a lack of flexibility in design

Method used

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  • Decoding system and graphics processing unit
  • Decoding system and graphics processing unit
  • Decoding system and graphics processing unit

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Embodiment

[0024] The present invention discloses many embodiments of decoding systems and methods (wherein, the above-mentioned systems and methods will be collectively referred to as decoding systems). In one embodiment, the decoding system is embedded in one or more execution units of a programmable, multithreaded, and parallel computing core of a graphics processing unit (GPU). A combination of software or hardware is used to implement the decoding function. That is, the video decoding is performed in the context of the GPU programming and the hardware implementation in the data path of the GPU. For example, in one embodiment, a decode operation or method is implemented by a shader with an extended instruction set (eg, a vertex shader), an execution unit data path of a graphics processing unit, and a bitstream Additional hardware for automatic buffer management is implemented. Compared with the existing system, the existing system mainly deals with pure hardware or pure software so...

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Abstract

The invention provides a decoding system and a graphic processing unit, wherein different embodiments of decoding systems and methods are disclosed. One system embodiment, among others, comprises a software programmable core processing unit having a variable length decoding unit (VLD) unit configured to execute a shader, the shader configured to selectively implement decoding of a video stream coded based on a plurality of different coding methods to provide a decoded data output, wherein the decoding is implemented using a combination of software and hardware. The decoding system and a graphic processing unit incorporating the invention can cut the instruction put-off down smallest and has elastic in design.

Description

technical field [0001] The present invention relates to data processing systems, and more particularly to programmable graphics processing systems and methods. Background technique [0002] Computer graphics is a technology that uses computers to generate images, videos, or other graphics or image information. At present, many graphics systems are implemented through the use of interfaces, such as Microsoft's Direct3D interface, OpenGL, etc., which can interact with multimedia hardware (such as graphics) on a computer running a specific operating system (such as Microsoft's window system). An accelerator or a graphics processing unit (graphics processing unit, GPU) provides control. The generation of an image or image is generally called rendering (rendering), and the details of the above operations are mainly implemented through a graphics accelerator. Generally speaking, in three-dimensional (three dimensional, 3D) in computer graphics, the geometry represented by the sur...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04N7/30H04N19/44
Inventor 扎伊尔德·荷圣约翰·柏拉勒斯裴德辉
Owner VIA TECH INC
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