基于TMS320DM642的H.264编解码器的设计

文中以数字信号处理器TMS320DM642为核心,结合视频编解码芯片TVP5150AM1和ADV7171,设计了一个高性能嵌入式图像采集系统,能同时实现四路图像快速采集、H.264压缩算法、大容量数据存储等先进功能,并具有低功耗、通用性强的特点。本文论述了H.264编解码原理、系统架构设计以及各模块功能,给出了系统的部分硬件连接图,讨论了实际设计中遇到的问题并给出了解决方法。经测试该设计是一种十分有效的图像采集方式,系统具有结构合理、算法灵活、图像质量好的特点。本系统具有实际应用前景,可推广到相关应用领域。

The Design of H.264 Coder/Decoder Based on TMS320DM642

Based on TMS320DM642,integrated with video decoder TVP5150AM1 and ADV7171,the high performance embedded image system was designed.The Developed system has a great many of advanced features,such as multichannel image acquisition in high speed mode,flexibility of H.264 image processing arithmetic,mass memory for data storage,low power and all-purpose application etc.The design of system architecture and the functions of each module are expounded,the hardware schematics of system are given,the problems coming up in practice are discussed and solutions are offered.Facts have proved that this system is effective in four channel image processing,with the characteristics of reasonable structure,flexible algorithm and image quality.The outlook of the application of the system designed in this paper is capacious,and the technique can be generalized to relative domain.