Video Compression-Store and Network-Transmission System Design Based on DM6467T

ZHANG Jing; DAI Ming; SUN Li-na; ZHAO Chun-lei; FENG Lei; YANG Tian-xing

doi:10.3788/YJYXS20132806.0911

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Video Compression-Store and Network-Transmission System Design Based on DM6467T

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- Video Compression-Store and Network-Transmission System Design Based on DM6467T
- Chinese Journal of Liquid Crystals and Displays Vol. 28, Issue 6, Pages: 911-916(2013)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2. 中国科学院航空光学成像与测量重点实验室, 吉林长春 130033
  3. 中国科学院大学, 北京 100049
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20132806.0911
  CLC： TP274
- Received：17 March 2013，
  
  Revised：05 April 2013，
  
  Published：15 December 2013
- 稿件说明：
移动端阅览
张晶, 戴明, 孙丽娜, 赵春蕾, 冯磊, 杨添星. 基于DM6467T的视频压缩存储和网络传输系统设计[J]. 液晶与显示, 2013,28(6): 911-916

ZHANG Jing, DAI Ming, SUN Li-na, ZHAO Chun-lei, FENG Lei, YANG Tian-xing. Video Compression-Store and Network-Transmission System Design Based on DM6467T[J]. , 2013,28(6): 911-916
张晶, 戴明, 孙丽娜, 赵春蕾, 冯磊, 杨添星. 基于DM6467T的视频压缩存储和网络传输系统设计[J]. 液晶与显示, 2013,28(6): 911-916 DOI： 10.3788/YJYXS20132806.0911.

ZHANG Jing, DAI Ming, SUN Li-na, ZHAO Chun-lei, FENG Lei, YANG Tian-xing. Video Compression-Store and Network-Transmission System Design Based on DM6467T[J]. , 2013,28(6): 911-916 DOI： 10.3788/YJYXS20132806.0911.

摘要

在DM6467T平台上，设计了视频编码存储和网络传输系统。介绍了达芬奇平台的特征、系统的硬件框架和达芬奇开发平台的搭建。调用达芬奇平台的编解码引擎中h.264编码算法，进行了App端多线程应用程序设计，详细介绍了主线程、视频线程、捕获显示线程、传输线程和写线程的流程以及相互关系。完成了软硬件的集成并进行了相关应用程序测试。测试结果表明：视频回放清晰流畅，实时性很高；网络传输的视频播放性能可以满足实时视频监控系统要求；存储后的视频数据得到大于100倍的压缩比。

Abstract

On the platform of DM6467T

a video system was designed which integrates the function of video encode and store as well as network transportation. The feature of Davinci platform

hardware structure of the system and the process of creating Davinci developmental environment were introduced. Using the h.264 encode algorithm in the codec engine

the App multi-threads application program was designed. This work presented the flow of threads and the interaction between the threads

which include main thread

video thread

capture and display thread

network transportation thread

writer thread. The integration of hardware and software were completed. The test results indicate that the image of video loop back is clear and fluent

with good real-time property. The display of network-transported video can meet the demand of real-time video monitoring. The stored video data is clear and complete and the compression rate is higher than 100.

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references

张秋林,夏靖波,邱婧,等. 基于ARM和FPGA的双路远程视频监控系统设计 [J]. 液晶与显示, 2011,26(6):780-784.[2] 吕耀文,王建立,曹景太,等.移动便携图像存储系统的设计 [J]. 液晶与显示, 2012,27(5):697-702.[3] 徐兵,肖洪祥. 基于ARM9与DM642的H.264视频编码服务器的设计 [J]. 计算机测量与控制, 2009,17(2):405-406.[4] Texas Instruments. TMS320DM6467T digital media system-on-chip [EB/OL].[2013-01-17].http://www.ti.com.cn.[5] 沈沛意,张亮,周梦,等. DAVINCI技术剖析及实战应用开发指南 [M].西安:西安电子科技大学出版社, 2012:15-17.[6] 郭锋. 基于千兆以太网的视频图像存储系统[D]. 陕西:西安电子科技大学,2009.[7] 合众达电子. SEED-VPM6467用户指[EB/OL].[2013-01-17].http://www.seeddsp.com.[8] Texas Instruments. Encode Demo for the DVEVM/DVSDK 1.2 [EB/OL].[2013-01-17]. Http://www.ti.com.cn.

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