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Implementation and optimization of H.264 encoder on TMS320DM6446 platform

Peng Qu

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Abstract

To implement video compression on DSP system,the features of H.264 video coding standard is investigated.The design of hardware system was brought forward by selecting TMS320DM6446 as DSP.Several open sources of H.264 are an-alyzed.Then the implementation and optimization of X264 encoder based on DM6446 are described.The procedure of trans-planting and many optimization methods applied is described.The optimization methods by improving algorithm structure and rewriting codes in assemble instruction are intensively studied.Experiment results indicated that the coding efficiency of en-coder was increased,while high image quality was preserved.

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What this paper is about

To implement video compression on DSP system,the features of H.264 video coding standard is investigated.The design of hardware system was brought forward by selecting TMS320DM6446 as DSP.Several open sources of H.264 are an-alyzed.Then the implementation and optimization of X264 encoder based on DM6446 are described.The procedure of trans-planting and many optimization methods applied is described.The optimization methods by improving algorithm structure and rewriting codes in assemble instruction are intensively studied.Experiment results indicated that the coding efficiency of en-coder was increased,while high image quality was preserved.

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Available abstract

To implement video compression on DSP system,the features of H.264 video coding standard is investigated.The design of hardware system was brought forward by selecting TMS320DM6446 as DSP.Several open sources of H.264 are an-alyzed.Then the implementation and optimization of X264 encoder based on DM6446 are described.The procedure of trans-planting and many optimization methods applied is described.The optimization methods by improving algorithm structure and rewriting codes in assemble instruction are intensively studied.Experiment results indicated that the coding efficiency of en-coder was increased,while high image quality was preserved.

Key concepts: Encoder, Computer science, Coding (social sciences), Digital signal processing, Rewriting, Computer hardware, Program optimization, Embedded system

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