基于CW5521的H.264视频解码器实现与优化  

Optimization and Realization of H.264 Decoder Based on CW5521

作　　者：谢洪彪[1] 刘建辉[1] 

机构地区：[1]辽宁工程技术大学电子与信息工程学院,葫芦岛125105

出　　处：《科学技术与工程》2008年第1期191-194,共4页Science Technology and Engineering

摘　　要：针对ChipWrights公司的多媒体处理芯片CW5521硬件结构特点,设计了适应实时信号处理的高性能H.264解码器架构。阐述了优化的具体过程和优化前后的性能对比。实验结果表明,该解码器能实现VGA解析度下25f/s以上的实时解码。According to the structural features of muhimedia processing chip CW5521 produced by Chip Wrights, A high-performance H. 264 decoder structure is designed which used in real-time signal processing. Expounded the optimization process and the performance contrast, experiment show , that the decoder can finish over 25fps real-time decoding under VGA resolution.

关 键 词：H.264 CW5521 代码优化 

分 类 号：TN941.2[电子电信—信号与信息处理]