基于ONVIF协议的井下电视客户端的研究
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摘要
目前的井下电视在测井速度、耐温耐压、视频的传输速率等方面已经取得了较高水平,但在客户端视频的显示方面还存在一定差距,比如视频的分辨率、清晰度和实时动态的OSD显示等方面。为了解决不同厂商生产的网络摄像机、XVR/NVR设备之间的互通问题,使得整个监控系统之间的信息交互顺畅,基于ONVIF协议设计了一种井下电视客户端。实验结果表明,可以在设计的客户端上清晰地看到井下信息,实现实时动态的OSD显示,同时实现设备的发现、链接,视频的预览、存储、抓图等功能。
The current downhole TV has achieved a high level in logging velocity,temperature and pressure resistance,and video′s transmission rate,but there exists a certain gap in display aspects of the client video such as video resolution,definition,and real-time dynamic OSD display. Therefore,a downhole TV client based on the ONVIF protocol is designed to resolve the intercommunication problem between network cameras produced by different manufacturers and XVR/NVR devices,and make the information interaction in the whole monitoring system smooth. The experimental results show that the designed downhole client can display clear information,and realize real-time dynamic OSD display,discovery and link of devices,and functions of video preview,storage,and screenshot.
The current downhole TV has achieved a high level in logging velocity,temperature and pressure resistance,and video′s transmission rate,but there exists a certain gap in display aspects of the client video such as video resolution,definition,and real-time dynamic OSD display. Therefore,a downhole TV client based on the ONVIF protocol is designed to resolve the intercommunication problem between network cameras produced by different manufacturers and XVR/NVR devices,and make the information interaction in the whole monitoring system smooth. The experimental results show that the designed downhole client can display clear information,and realize real-time dynamic OSD display,discovery and link of devices,and functions of video preview,storage,and screenshot.
引文
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[10]陈名松,邱晓金,许笑.基于OpenCV与Socket的网络视频监控系统设计与实现[J].现代电子技术,2017,40(2):57-59.CHEN Mingsong,QIU Xiaojin,XU Xiao. Design and realization of network video surveillance system based on OpenCV and Socket[J]. Modern electronics technique,2017,40(2):57-59.
[2]蔡小淳.基于ONVIF标准的高清网络摄像机的设计与开发[D].广州:暨南大学,2014.CAI Xiaochun. The design and development of high-definition network camera based on ONVIF standard protocol[D]. Guangzhou:Jinan University,2014.
[3]杨丰瑞,刘雄风,刘亭.基于Android的ONVIF协议网络视频监控客户端的接口研究[J].广东通信技术,2015,35(6):20-25.YANG Fengrui,LIU Xiongfeng,LIU Ting. Research on interface of network video surveillance client based on Android ONVIF protocol[J]. Guangdong communication technology,2015,35(6):20-25.
[4]徐飞明.基于ONVIF协议的NVR软件平台的设计与开发[D].杭州:浙江大学,2012.XU Feiming. Design and development of NVR software platform based on ONVIF protocol[D]. Hangzhou:Zhejiang University,2012.
[5]蔡月茹,柳西玲.Web Service基础教程[M].北京:清华大学出版社,2005.CAI Yueru,LIU Xiling. Basic course of Web Service[M]. Beijing:Tsinghua University Press,2005.
[6]马宇昌.网络摄像机应用接口的研究与实现[D].南京:南京邮电大学,2013.MA Yuchang. Research and implementation of IP camera application interfaces[D]. Nanjing:Nanjing University of Posts and Telecommunications,2013.
[7]肖路欢,谢灿,何策.gSOAP在基于ONVIF协议的网络视频监控系统中的应用[J].数字技术与应用,2013(6):128-129.XIAO Luhuan,XIE Can,HE Ce. gSOAP based on ONVIF protocol network video monitoring system[J]. Digital technology and application,2013(6):128-129.
[8]储强.ONVIF协议媒体服务的设计实现[D].哈尔滨:哈尔滨工业大学,2012.CHU Qiang. Design and achievement of media service in ONVIF specification[D]. Harbin:Harbin Institute of Technology,2012.
[9]宋刚,杨显富.实时流媒体传输及其协议[J].成都大学学报(自然科学版),2005,24(1):28-31.SONG Gang,YANG Xianfu. Real-time streaming media transport and protocol[J]. Journal of Chengdu University(Natural science),2005,24(1):28-31.
[10]陈名松,邱晓金,许笑.基于OpenCV与Socket的网络视频监控系统设计与实现[J].现代电子技术,2017,40(2):57-59.CHEN Mingsong,QIU Xiaojin,XU Xiao. Design and realization of network video surveillance system based on OpenCV and Socket[J]. Modern electronics technique,2017,40(2):57-59.