H.264视频编码器在DSP上的实现与优化  

Implementation and Optimization of H.264 Video Encoder based on DSP platform

作　　者：任克强[1] 黄慧精[1] 

机构地区：[1]江西理工大学信息工程学院,江西赣州341000

出　　处：《微计算机信息》2010年第11期121-123,共3页Control & Automation

摘　　要：在DM642EVM平台上实现了H.264视频编码器,并从内存分配、Cache优化、代码优化以及汇编程序级优化等几个方面对编码器进行了优化。实验结果表明,优化后的编码器能保持较高的图象质量和压缩效率,并具有较好的实时性能。A H.264 video encoder was implemented based on DM642 EVM,and optimized the program of H.264 video encoder from the four aspects of memory allocation,cache optimization,code optimization and assembly program level optimization.Experimental resuits showed that the optimized algorithm program could keep high image quality and high compressing ratio, and had better realtime performance.

关 键 词：H.264 DSP 视频编码 算法优化 

分 类 号：TN919.8[电子电信—通信与信息系统]