| 基于嵌入式平台的h.264视频编码器的实现 |
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| 引用本文： | 鲍可进,CHEN Bo,杨涛.基于嵌入式平台的h.264视频编码器的实现[J].计算机工程与设计,2008,29(15). |
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| 作者姓名： | 鲍可进 CHEN Bo 杨涛 |
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| 作者单位： | 江苏大学计算机科学与通信工程学院,江苏,镇江,212013 |
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| 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.
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| 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 |
Implementation of h.264 video encoder based on embedded platform |
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| BAO Ke-jin,CHEN Bo,YANG Tao.Implementation of h.264 video encoder based on embedded platform[J].Computer Engineering and Design,2008,29(15). |
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| Authors: | BAO Ke-jin CHEN Bo YANG Tao |
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| Affiliation: | BAO Ke-jin,CHEN Bo,YANG Tao(College of Computer Science , Telecommunication Engineering,Jiangsu University,Zhenjiang 212013,China) |
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| Abstract: | The implementation of h.264 video encoder based on PXA255 of embedded platform is introduced.Some improvements of encoder standard of h.264 is described and the encoder program of h.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.Ex-periments show that the optimization of h.264 compression algorithm can carry on the real-time code to the acquisition,the video en-coder opera... |
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| Keywords: | h 264 coding standard pxa255 embedded platform video capture encoding algorithm code optimization |
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