基于嵌入式平台的h.264视频编码器的实现  

Implementation of h.264 video encoder based on embedded platform

作　　者：鲍可进[1] 陈波[1] 杨涛[1] 

机构地区：[1]江苏大学计算机科学与通信工程学院,江苏镇江212013

出　　处：《计算机工程与设计》2008年第15期3951-3953,共3页Computer Engineering and Design

摘　　要：介绍了基于嵌入式平台PXA255的h.264视频编码器的实现。在描述了视频编码器的硬件结构设计及视频采集软件的实现的基础上,详细介绍了h.264对视频编码标准的一些改进以及基于PXA255结构和ARM汇编指令的h.264编码程序的优化。实验结果表明,优化后的h.264编码程序能够对采集到的视频进行实时编码,该视频编码器运行状态良好。Theimplementationofh.264videoencoderbasedonPXA255 of embedded platform is introduced. Some improvements of encoder standard ofh.264 is described and the encoder program ofh,264 is optimized based on the operations of PXA255 and ARM compilation instructions on the basis of the video encoder hardware is designed and implementation of video capture software. Experiments show that the optimization ofh.264 compression algorithm can carry on the real-time code to the acquisition, the video encoder operation good.

关 键 词：h.264编码标准 PXA255嵌入式平台 视频采集 编码算法 代码优化 

分 类 号：TN919.81[电子电信—通信与信息系统]