CN104202558A - A network video monitoring system based on GPS positioning and a monitoring method of the same - Google Patents

A network video monitoring system based on GPS positioning and a monitoring method of the same Download PDF

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CN104202558A
CN104202558A CN 201410321673 CN201410321673A CN104202558A CN 104202558 A CN104202558 A CN 104202558A CN 201410321673 CN201410321673 CN 201410321673 CN 201410321673 A CN201410321673 A CN 201410321673A CN 104202558 A CN104202558 A CN 104202558A
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China
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video
audio
services
gps
network
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CN 201410321673
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Chinese (zh)
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王兴国
郑伟国
穆科明
方汝松
孙召敏
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南京杰迈视讯科技有限公司
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Priority to CN 201410321673 priority Critical patent/CN104202558A/en
Publication of CN104202558A publication Critical patent/CN104202558A/en

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Abstract

There is provided a network video monitoring system based on GPS positioning and a monitoring method of the same. The network video monitoring system based on GPS positioning comprises more than one network camera connected to a server through a communication network, wherein the network camera comprises a processor chip with an SPI interface, and a front end positioning monitoring module, a process for reading a video frame, a process for reading an audio frame, a streaming media service process, and a process for reading a GPS signal are also embedded in the network camera; and wherein the server has a display, and additionally the server is also provided with a rear end positioning monitoring module. Also, by the connection of the network video monitoring system and the monitoring method of the same, defects in the prior art can be avoided that video monitoring points spread over a wide range in great numbers, and a monitoring center often fails to know exactly a specific physical position of a monitoring camera, thus bringing a difficulty to implementation and operation; and that a video signal obtained by the monitoring center fails to correspond to the physical position where the monitoring camera is, thus leading to incomplete information and to inconvenience in an actual application.

Description

基于GPS定位的网络视频监控系统及其监控方法 GPS positioning network video surveillance system and monitoring method based on

技术领域 FIELD

[0001] 本发明属于网络视频监控技术领域,具体涉及一种基于GPS定位的网络视频监控系统及其监控方法。 [0001] The present invention belongs to the field of video surveillance technology, particularly relates to a network video surveillance system based on GPS positioning and monitoring method.

背景技术 Background technique

[0002] 视频监控系统是安全防范、智慧城市、智能交通系统的重要组成部分,它因直观、准确、及时和信息内容丰富而广泛应用于许多场合。 [0002] Video surveillance system security is an important part of smart city, intelligent transportation system, because it is intuitive, accurate, timely and rich information content is widely used in many occasions. 该系统有如下组成部分: The system has the following components:

采集系统:采集系统由各个检测点的监控摄像机组成,监控摄像机负责采集所需的视频,音频数据。 Acquisition System: acquisition system by the monitoring cameras each detection point of the composition, surveillance cameras responsible for collecting the required video and audio data.

[0003] 传输系统:传输系统负责实现监控系统内信号的传输。 [0003] Transmission System: The system is responsible for the transmission system implemented within the monitoring transmission signal.

[0004] 监控中心:视频监控系统中所采集的数据将汇总到监控中心,由监控中心进行播放,存储和进一步处理,监控中心同时负责对整个视频监控系统进行控制和管理。 [0004] The monitoring center: Video Monitoring System data collected will be aggregated to the monitoring center, play, store, and further processed by the monitoring center, the monitoring center is also responsible for control and management of the entire video surveillance system.

[0005] 随着经济的飞速发展和社会的进步,人们对安全防范的需求与日俱增,视频监控系统中监控点的数量更多,覆盖的范围更广,应用的场景更复杂,现有的视频监控系统中会遇到如下问题: [0005] With the rapid economic development and progress of society, people's growing demand for security, video surveillance system to monitor the number of points more, covering a wider, more complex application scenario, the existing video surveillance the system will encounter the following problems:

1,在大型的网络视频监控系统的安装和维护当中,由于视频监控点散布的范围广、数量大,监控中心经常无法准确知道监控摄像机的具体物理位置,给实施和运营带来困难。 1, the installation and maintenance of large-scale network video surveillance system which, due to the wide spread of video surveillance point range, a large number of surveillance centers are often unable to accurately know the specific physical location of surveillance cameras, difficult to implement and operate. 2,在刑侦取证、智能交通、智慧城市等应用场景中,监控点的摄像机并不固定在特定的物理位置,因此监控中心获得的的视频信号无法与所在的物理位置对应,导致信息不全面,在实际应用造成不便。 2, in the criminal investigation and evidence collection, intelligent transportation, smart city and other scenario, camera monitoring points is not fixed at a particular physical location, so the video signal obtained from the monitoring center can not correspond to a physical location, resulting in incomplete information, causing inconvenience in practical application.

发明内容 SUMMARY

[0006] 本发明的目的提供一种基于GPS定位的网络视频监控系统及其监控方法,包括一个以上的网络摄像头,网络摄像头通过通信网络同服务器相连接,所述的网络摄像头中包括处理器芯片,所述的处理器芯片带有SPI接口,所述的SPI接口内部带有移位寄存器,所述的移位寄存器同SPI接口内部设置的用于接收的FIFO队列缓存和用于发送的FIFO队列缓存相通信连接,所述的移位寄存器还同SPI接口的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK相通信连接,所述的SPI接口的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK分别同设置在网络摄像头内部的GPS模块的RF8110通信接口的使能端口CLT_EN、接收端口RX、发送端口TX以及控制时钟信号端口CTL_CLK [0006] The object of the present invention to provide a network monitoring method, and video surveillance systems based on GPS positioning, comprising more than one network camera, the network camera are connected via a communication network with the server, the network camera comprising a processor chip in the processor chip with SPI interface, the internal interface with SPI shift register, FIFO queue buffer for receiving said shift register is provided with internal SPI interface and FIFO queue for transmission buffer communicatively coupled to the shift register is also the same chip select signal SPI interface port SS, host input / output ports machine MIS0, outputted from the master / slave input port and a clock signal terminal CLK MOSI SPI interface used with a communication connection, the chip selection signal port SS, SPI interface host input / output port unit MIS0, master output / slave input port and a clock signal port MOSI SPI interface from the CLK are respectively provided inside with a webcam enable port CLT_EN RF8110 GPS module of the communication interface, receives the RX port, the transmission port TX clock signal and a control port CTL_CLK 连接,另外RF8110通信接口的接地端口GNDl同SPI接口的接地端口GND2相连接,所述的网络摄像头还嵌入有前端定位监控模块、用于读取视频帧的进程、用于读取音频帧的进程、流媒体服务进程以及读取GPS信号的进程;所述的服务器带有显示器,另外服务器中还设置有后端定位监控模块。 Connection, with the ground port GND2 ground port GNDl RF8110 communication interface connected with the SPI interface, the network camera is also fitted with a front end positioning monitoring module, the process for reading the video frames, audio frames process for reading , streaming media service processes the GPS signal and the read process; the server with a display, additionally provided with a server monitor module rear alignment. 并结合其监控方法可有效避免现有技术中的视频监控点散布的范围广、数量大、监控中心经常无法准确知道监控摄像机的具体物理位置、给实施和运营带来困难、监控中心获得的的视频信号无法与所在的物理位置对应,导致信息不全面、在实际应用造成不便的缺陷。 And combined with its wide monitoring method can effectively avoid the prior art video surveillance point spread range, a large number of surveillance centers are often unable to accurately know the specific physical location of surveillance cameras, bringing difficulties to the implementation and operation of the monitoring center obtained the video signal can not correspond to a physical location, resulting in incomplete information, inconvenience defects in practical applications.

[0007] 为了克服现有技术中的不足,本发明提供了一种基于GPS定位的网络视频监控系统及其监控方法的解决方案,具体如下: [0007] In order to overcome the deficiencies of the prior art, the present invention provides a solution to network video surveillance system and a monitoring method based on GPS positioning, as follows:

一种基于GPS定位的网络视频监控系统,包括一个以上的网络摄像头1,网络摄像头I通过通信网络2同服务器3相连接,所述的网络摄像头I中包括处理器芯片4,所述的处理器芯片4带有SPI接口5,所述的SPI接口5内部带有移位寄存器6,所述的移位寄存器6同SPI接口5内部设置的用于接收的FIFO队列缓存7和用于发送的FIFO队列缓存8相通信连接,所述的移位寄存器6还同SPI接口5的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK相通信连接,所述的SPI接口5的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK分别同设置在网络摄像头I内部的GPS模块9的RF8110通信接口10的使能端口CLT_EN、接收端口RX、发送端口TX以及控制时钟信号端口CTL_CLK相连接,另外RF8110通信 Network video surveillance system based on GPS positioning, comprising more than one network camera 1, the webcam I 3 is connected with the server via the communication network 2, the network camera comprising a processor chip I, 4, said processor 4 chips with SPI interface 5, the internal SPI interface 5 with a shift register 6, for receiving said shift register 6 with the SPI interface 5 provided inside the FIFO buffer FIFO queue for transmission. 7 8 queue buffer communicatively coupled to the shift register 6 is also the same SPI / output ports machine MIS0, output from the host machine from the input port and a clock MOSI / SPI interface for the interface chip select signal port SS, host input 5 CLK signal port in communication connection, the chip selection signal port SS, input SPI interface 5 of the host / machine output port MIS0, master output / input port MOSI from the slave port and a clock signal CLK for the SPI interface provided separately with I inside the camera module RF8110 GPS network communications interface CLT_EN 9 enable port 10, the port receiving the RX, TX transmit port and a control port CTL_CLK clock signal is connected to the other communication RF8110 接口10的接地端口GNDl同SPI接口5的接地端口GND2相连接,所述的网络摄像头I还嵌入有前端定位监控模块11、用于读取视频帧的进程14、用于读取音频帧的进程17、流媒体服务进程15以及读取GPS信号的进程16 ;所述的服务器3带有显示器12,另外服务器3中还设置有后端定位监控模块13。 Interface ground port GNDl 10 is connected with the ground port GND2 SPI interface 5 of the webcam I are also embedded monitoring module 11 located in the front, a process for reading a video frame 14, the process for reading the audio frames 17, a streaming media service processes the GPS signal 15 and a read process 16; the server 3 with a display 12, additional server 3 is also provided with a rear end of the monitoring module 13 is positioned.

[0008] 所述的处理器芯片4中设置有放置视频帧的环形缓冲区队列、放置音频帧的环形缓冲区队列和放置GPS数据的环形缓冲区队列。 [0008] The processor chip 4 is provided in place of the video frame buffer queue annular ring disposed audio frame buffer queues and circular buffers of the queue on the GPS data.

[0009] 所述的基于GPS定位的网络视频监控系统的监控方法,步骤如下: [0009] The network monitoring method according to the video monitoring system based on GPS positioning, the following steps:

步骤1:首先启动网络摄像头1,网络摄像头I按照设定的视频采样速率采集视频图像和音频,每采集到一个视频图像和音频,经过网络摄像头I的传感器进行模数转化得到视频信号和音频信号,模数转换后的视频信号和音频信号进行矫正,矫正后的视频信号和音频信号接着分别进行编码,编码后的视频信号和音频信号就分别形成了视频帧和音频帧,得到视频帧和音频帧后信号前端定位监控模块11就处理器芯片4发送中断请求,所述的中断请求包括该视频帧的序号、该视频帧采集的时间戳、该视频帧所属的通道号、该视频帧的类型、该视频帧的大小、该视频帧的数据、该音频帧的序号、该音频帧采集的时间戳、该音频帧所属的通道号、该音频帧的类型、该音频帧的大小以及该音频帧的数据,处理器芯片4接收到中断请求后,处理器芯片4启动用于读取视频帧的 Step 1: First start the webcam 1, the webcam I A video sample rate to capture video images and audio, each capture a video image and audio, through the webcam I sensor analog digital conversion to obtain a video signal and an audio signal after analog to digital conversion of the video signal and the audio signal is corrected, the corrected video signal and the audio signal is then encoded separately, the encoded video signal and the audio signal is formed of the video frames and audio frames, to obtain video frames and audio after the frame signal monitoring module 11 is positioned on the front end processor chip 4 sends an interrupt request, the interrupt request of the video frame comprises a sequence number, a time stamp of the video frame acquisition, channel number of the video frame belongs, the type of the video frame , the size of the video frame, the data of the video frame, the audio frame number, a time stamp of the audio frame is acquired, the channel number of the audio frame belongs, the type of the audio frame, the size of the audio frame and audio frame data processor chip 4 receives the interrupt request, the processor chip 4 starts to read the video frame 进程14、读取音频帧的进程17、流媒体服务进程15以及读取GPS信号的进程16,用于读取视频帧的进程14、读取音频帧的进程17以及读取GPS信号的进程16先向服务器3分别发送该网络摄像头已提供视频服务、该网络摄像头已提供音频服务和该网络摄像头已提供GPS定位服务的通知数据包,用于读取视频帧的进程14把该视频帧放入放置视频帧的环形缓冲区队列中,用于读取音频帧的进程17把该音频帧放入放置音频帧的环形缓冲区队列中,而读取GPS信号进程16就启动网络摄像头I内部的GPS模块9进行GPS定位数据信号的采集,并把采集来的GPS定位数据信号放入放置GPS数据的环形缓冲区队列; 14 process, the process of reading audio frame 17, a streaming media service processes the GPS signal 15 and a read process 16, the process for reading a video frame 14, the audio frame read process 17 reads and processes the GPS signals 16 Xianxiang server 3 are transmitted to the webcam video services have been provided, the webcam and audio services provided to the webcam GPS location service provided notification packet, the process for reading the video frames of the video frame 14 into placing the ring buffer queue of video frames, audio frames for the process of reading the audio frame 17 is placed into the ring buffer queue audio frame, the process reads the GPS signal 16 activates the camera internal GPS network I GPS positioning module 9 to collect data signals, and the collected signals to the GPS location data is placed into the ring buffer queue GPS data;

步骤2:流媒体服务进程15在启动时就进入监听服务器3是否发送数据包的状态; Step 2: streaming service process 15 at startup into the monitor server status whether to send packets 3;

步骤3:当服务器3中的后端定位监控模块13通过通信网络2向网络摄像头I发送询问资源的数据包后,网络摄像头I接收到了该询问资源的数据包后,流媒体服务进程15就通过通信网络2向服务器3发送资源响应的数据包,所述的发送资源响应的数据包中包括该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务的数据信号,服务器3接收到资源响应的数据包后,后端定位监控模块13对该资源响应的数据包进行解析,以此得到该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务的数据信号,然后后端定位监控模块13将该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务显示在服务器3的显示器12上; Step 3: When the server 3 rear alignment monitoring module sends a query packet resources 13 through the communication network 2 to the network cameras I, the webcam I receives the packet of the query resource streaming server process 15 on the adoption packet 2 in response to the 3 transmission resource server communications network, a data packet according to transmission resource response included in the network camera to provide video service that provides audio services or can provide a data signal of the GPS location service, the server 3 receives after the resource response packet, the packet rear locating resource response monitoring module 13 of the analyzing, in order to obtain a data signal from the network cameras to provide video services, audio services can be provided or can provide GPS location services, then the positioning the end of the monitoring module 13 can provide a webcam video services, audio services can be provided or can provide GPS location services displayed on the display 3, the server 12;

步骤4:根据显示在服务器3的显示器12上的该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务,用户在进行选择提供视频服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求视频服务的数据包; Step 4: After the display of the network camera 12 can be provided on the video display service server 3, an audio service can be provided or can provide GPS location services, video services to provide the user making the selection, positioning the rear end 13 via a communication monitoring module network 2 transmits the video service request packet to the network cameras I;

步骤5:当网络摄像头I接收到请求视频服务的数据包后,流媒体服务进程15就把放置视频帧的环形缓冲区队列的视频帧取出,并将其经过通信网络2发送到服务器3中处理; Step 5: After receiving the I webcam video service request packet, the stream media service process took place 15 annular video frame buffer queue of video frames taken out and sent to the server via the communication network 2 for 3 ;

步骤6:用户在进行选择提供音频服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求音频服务的数据包,当网络摄像头I接收到请求音频服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧取出,并将其经过通信网络2发送到服务器3中处理; Step 6: take the user choose to provide audio services, the rear end position monitoring module 13 on two pairs webcam I send request packet audio service via a communication network, when the network camera I received the data packet requesting audio services, stream media service process took place 15 audio frame of the audio frame is taken out of the ring buffer queue, and sends it to the server via the communication network 2 for 3;

步骤7:用户在进行选择提供GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求GPS定位服务的数据包,当网络摄像头I接收到请求GPS定位服务的数据包后,流媒体服务进程15就把放置GPS数据的环形缓冲区队列中的GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理; Step 7: take the user choose to provide GPS positioning, the rear end position monitoring module 13 on two pairs webcam I send request packet GPS location services via a communication network, when the network camera I received packet requests GPS location services GPS positioning ring buffer queue, the streaming service process took place 15 GPS data extracted data signals, and sends it to the server via the communication network 2 for 3;

步骤8:用户在进行选择提供视频服务和音频服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求视频服务和音频服务的数据包,当网络摄像头I接收到请求视频服务和音频服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧和放置视频帧的环形缓冲区队列的视频帧中的音频帧和视频帧取出,并将其经过通信网络2发送到服务器3中处理; Step 8: The user making a selection after deliver video and audio services, the rear end position monitoring module 13 on two pairs webcam I send request packet of video services and audio services through a communication network, when the network camera I receives requests a video service after the data packet and audio service, streaming service process took place 15 video frames annular audio frame audio frame queue buffer and ring buffer video frames are placed in a queue of audio and video frames taken, and send to the server via the communication network 2 for 3;

步骤9:用户在进行选择提供视频服务和GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求视频服务和GPS定位服务的数据包,当网络摄像头I接收到请求视频服务和GPS定位服务的数据包后,流媒体服务进程15就把放置视频帧的环形缓冲区队列的视频帧和放置GPS数据的环形缓冲区队列中的视频帧和GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理; Step 9: The user making a selection after the video services, and GPS positioning, the rear end position monitoring module 13 on two pairs webcam I send request packet of video services, and GPS location services via a communication network, when the network camera I received the request GPS location data and video frame data packet video signal and the GPS positioning service, the streaming service process took place 15 of the ring buffer queue of video frames and the video frame buffer queues disposed annular GPS data extraction and send to the server via the communication network 2 for 3;

步骤10:用户在进行选择提供音频服务和GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求音频服务和GPS定位服务的数据包,当网络摄像头I接收到请求音频服务和GPS定位服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧和放置GPS数据的环形缓冲区队列中的音频帧和GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理; Step 10: After a user making a selection to provide audio services, and GPS positioning, the rear end position monitoring module 13 on two pairs webcam I transmission request audio services and data packets GPS location services via a communication network, when the network camera I received the request GPS location data and the audio frames of audio frame signals and the GPS data is placed after the ring buffer queue packet audio service and GPS positioning service, streaming service process took place ring 15 audio frame buffer queue withdrawn, and send to the server via the communication network 2 for 3;

步骤11:用户在进行选择提供音频服务、视频服务和GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求音频服务、视频服务和GPS定位服务的数据包,当网络摄像头I接收到请求音频服务、视频服务和GPS定位服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧、放置视频帧的环形缓冲区队列的视频帧和放置GPS数据的环形缓冲区队列中的GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理。 Step 11: performing the user choose to provide audio services, video services, and the GPS positioning, the monitoring module 13 is positioned on the rear end of the two pairs of the webcam I transmission request through the communication network audio services, video services, and GPS positioning data packet, when I webcam audio service request is received, the video data packet service and GPS location services, streaming media service process took place 15 audio frames annular audio frame buffer queue, placing the annular video frame buffer queue of video frames GPS positioning ring buffer queue and place the GPS data extracted data signals, and sends it to the processing server 3 via the communication network 2.

[0010] 所述的视频帧的类型分为关键帧、单向预测帧以及双向预测帧。 [0010] type of the video frame is divided into key frames, predictive frames and bidirectional predictive frame.

[0011] 本发明应用在视频监控点散布的范围广并且数量大的条件下,监控中心能够准确知道监控摄像机的具体物理位置,给实施和运营带来方便、监控中心获得的视频信号能与所在的物理位置对应,使得监控信息全面、在实际应用造成便利。 [0011] The present invention is applied in video monitoring points and a wide range of scattered large number of conditions, the monitoring center can accurately know the specific physical location of a surveillance camera, and the operation to bring convenience to the embodiment, the video signal can be obtained with the monitoring center where physical location corresponding to such comprehensive monitoring information, resulting in convenience in practical applications.

附图说明 BRIEF DESCRIPTION

[0012] 图1为本发明的基于GPS定位的网络视频监控系统连接结构示意图。 A schematic view of the connection structure [0012] FIG. 1 of the present invention the GPS positioning based network video surveillance system.

[0013] 图2为本发明的SPI接口和RF8110通信接口的连接结构示意图。 [0013] FIG. 2 is a schematic structural diagram of the connection of the invention RF8110 SPI interface and communication interface.

具体实施方式 Detailed ways

[0014] 如图1和图2所示,一种基于GPS定位的网络视频监控系统,包括一个以上的网络摄像头1,网络摄像头I通过通信网络2同服务器3相连接,所述的网络摄像头I中包括处理器芯片4,所述的处理器芯片4带有SPI接口5,所述的SPI接口5内部带有移位寄存器6,所述的移位寄存器6同SPI接口5内部设置的用于接收的FIFO队列缓存7和用于发送的FIFO队列缓存8相通信连接,所述的移位寄存器6还同SPI接口5的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK相通信连接,所述的SPI接口5的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK分别同设置在网络摄像头I内部的GPS模块9的RF8110通信接口10的使能端口CLT_EN、接收端口RX、发送端口TX以及控制时钟信号端口CTL_CLK [0014] 2 shown in FIG. 1 A network video surveillance system based on GPS positioning, comprising more than one network camera 1, the webcam I 3 is connected with the server via the communication network 2, the network camera and I the chip includes a processor 4, the processor chip 4 with SPI interface 5, the internal SPI interface 5 with a shift register 6, 6 for the shift register 5 is provided inside with the SPI interface FIFO queue buffers the received FIFO queue buffers 7 and 8 for transmitting a communication connection phase, the further shift register 6 with the SPI interface chip selection signal port 5 SS, host input / output ports machine MIS0, output from the host / MOSI input connector is connected in communication and the clock signal for the SPI interface port from the CLK, the chip selection signal port SS, input SPI interface 5 of the host / machine output port MIS0, outputted from the master / slave input port MOSI and a clock signal CLK for the SPI interface ports are provided in the interior of the camera with a network of I RF8110 GPS communications interface module CLT_EN 9 enable port 10, receives the RX port, the transmission port TX clock signal and a control port CTL_CLK 相连接,另外RF8110通信接口10的接地端口GNDl同SPI接口5的接地端口GND2相连接,所述的网络摄像头I还嵌入有前端定位监控模块11、用于读取视频帧的进程14、用于读取音频帧的进程17、流媒体服务进程15以及读取GPS信号的进程16 ;所述的服务器3带有显示器12,另外服务器3中还设置有后端定位监控模块13。 Is connected to the ground port GND2 RF8110 additional ground port communication interface GNDl 10 with SPI interface 5 is connected, the webcam I are also embedded monitoring module 11 located in the front, a process for reading a video frame 14 for audio frame read process 17, a streaming media service processes the GPS signal 15 and a read process 16; the server 3 with a display 12, additional server 3 is also provided with a rear end of the monitoring module 13 is positioned. 所述的处理器芯片4中设置有放置视频帧的环形缓冲区队列、放置音频帧的环形缓冲区队列和放置GPS数据的环形缓冲区队列,环形缓冲区队列能够保证更充足的缓冲时间同时又不影响视频传输和GPS传输的实时性。 The processor chip 4 is provided with a ring buffer in place of the video frame queue, the queue ring buffer, the ring buffer queue ring buffer and an audio frame placed GPS data queue placement to ensure more adequate buffer time while It does not affect the real-time video transmission and GPS transmissions.

[0015] 所述的基于GPS定位的网络视频监控系统的监控方法,步骤如下: [0015] The network monitoring method according to the video monitoring system based on GPS positioning, the following steps:

步骤1:首先启动网络摄像头1,网络摄像头I按照设定的视频采样速率采集视频图像和音频,每采集到一个视频图像和音频,经过网络摄像头I的传感器进行模数转化得到视频信号和音频信号,模数转换后的视频信号和音频信号进行矫正,矫正后的视频信号和音频信号接着分别进行编码,编码后的视频信号和音频信号就分别形成了视频帧和音频帧,得到视频帧和音频帧后信号前端定位监控模块11就处理器芯片4发送中断请求,所述的中断请求包括该视频帧的序号、该视频帧采集的时间戳、该视频帧所属的通道号、该视频帧的类型、该视频帧的大小、该视频帧的数据、该音频帧的序号、该音频帧采集的时间戳、该音频帧所属的通道号、该音频帧的类型、该音频帧的大小以及该音频帧的数据,处理器芯片4接收到中断请求后,处理器芯片4启动用于读取视频帧的 Step 1: First start the webcam 1, the webcam I A video sample rate to capture video images and audio, each capture a video image and audio, through the webcam I sensor analog digital conversion to obtain a video signal and an audio signal after analog to digital conversion of the video signal and the audio signal is corrected, the corrected video signal and the audio signal is then encoded separately, the encoded video signal and the audio signal is formed of the video frames and audio frames, to obtain video frames and audio after the frame signal monitoring module 11 is positioned on the front end processor chip 4 sends an interrupt request, the interrupt request of the video frame comprises a sequence number, a time stamp of the video frame acquisition, channel number of the video frame belongs, the type of the video frame , the size of the video frame, the data of the video frame, the audio frame number, a time stamp of the audio frame is acquired, the channel number of the audio frame belongs, the type of the audio frame, the size of the audio frame and audio frame data processor chip 4 receives the interrupt request, the processor chip 4 starts to read the video frame 进程14、读取音频帧的进程17、流媒体服务进程15以及读取GPS信号的进程16,用于读取视频帧的进程14、读取音频帧的进程17以及读取GPS信号的进程16先向服务器3分别发送该网络摄像头已提供视频服务、该网络摄像头已提供音频服务和该网络摄像头已提供GPS定位服务的通知数据包,用于读取视频帧的进程14把该视频帧放入放置视频帧的环形缓冲区队列中,用于读取音频帧的进程17把该音频帧放入放置音频帧的环形缓冲区队列中,而读取GPS信号进程16就启动网络摄像头I内部的GPS模块9进行GPS定位数据信号的采集,并把采集来的GPS定位数据信号放入放置GPS数据的环形缓冲区队列; 14 process, the process of reading audio frame 17, a streaming media service processes the GPS signal 15 and a read process 16, the process for reading a video frame 14, the audio frame read process 17 reads and processes the GPS signals 16 Xianxiang server 3 are transmitted to the webcam video services have been provided, the webcam and audio services provided to the webcam GPS location service provided notification packet, the process for reading the video frames of the video frame 14 into placing the ring buffer queue of video frames, audio frames for the process of reading the audio frame 17 is placed into the ring buffer queue audio frame, the process reads the GPS signal 16 activates the camera internal GPS network I GPS positioning module 9 to collect data signals, and the collected signals to the GPS location data is placed into the ring buffer queue GPS data;

步骤2:流媒体服务进程15在启动时就进入监听服务器3是否发送数据包的状态;步骤3:当服务器3中的后端定位监控模块13通过通信网络2向网络摄像头I发送询问资源的数据包后,网络摄像头I接收到了该询问资源的数据包后,流媒体服务进程15就通过通信网络2向服务器3发送资源响应的数据包,所述的发送资源响应的数据包中包括该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务的数据信号,服务器3接收到资源响应的数据包后,后端定位监控模块13对该资源响应的数据包进行解析,以此得到该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务的数据信号,然后后端定位监控模块13将该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务显示在服务器3的显示器12上; Step 2: streaming service process 15 at startup into the monitor server 3 whether the state that sent the packet; Step 3: When the server 3 the rear end position monitoring module 13 I sends an inquiry resource to the network camera via a communication network 2 data after the package, the webcam I receives the packet of the query resource streaming service process 15 via a communication network 2 data packet to send a resource response from the server 3, the data packet according to transmission resource response includes the webcam to provide video services, audio services can be provided or can provide GPS location service of the data signal, the server 3 after receiving the resource response packet, the packet rear locating resource response monitoring module 13 of the analyzing, in order to give the webcam provide video service that provides audio services or can provide a data signal of the GPS location services, and a rear end position monitoring module 13 the webcam can provide video service that provides audio services or can provide GPS location service appears on the server 12 on the display 3;

步骤4:根据显示在服务器3的显示器12上的该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务,用户在进行选择提供视频服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求视频服务的数据包; Step 4: After the display of the network camera 12 can be provided on the video display service server 3, an audio service can be provided or can provide GPS location services, video services to provide the user making the selection, positioning the rear end 13 via a communication monitoring module network 2 transmits the video service request packet to the network cameras I;

步骤5:当网络摄像头I接收到请求视频服务的数据包后,流媒体服务进程15就把放置视频帧的环形缓冲区队列的视频帧取出,并将其经过通信网络2发送到服务器3中处理; Step 5: After receiving the I webcam video service request packet, the stream media service process took place 15 annular video frame buffer queue of video frames taken out and sent to the server via the communication network 2 for 3 ;

步骤6:用户在进行选择提供音频服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求音频服务的数据包,当网络摄像头I接收到请求音频服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧取出,并将其经过通信网络2发送到服务器3中处理; Step 6: take the user choose to provide audio services, the rear end position monitoring module 13 on two pairs webcam I send request packet audio service via a communication network, when the network camera I received the data packet requesting audio services, stream media service process took place 15 audio frame of the audio frame is taken out of the ring buffer queue, and sends it to the server via the communication network 2 for 3;

步骤7:用户在进行选择提供GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求GPS定位服务的数据包,当网络摄像头I接收到请求GPS定位服务的数据包后,流媒体服务进程15就把放置GPS数据的环形缓冲区队列中的GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理; Step 7: take the user choose to provide GPS positioning, the rear end position monitoring module 13 on two pairs webcam I send request packet GPS location services via a communication network, when the network camera I received packet requests GPS location services GPS positioning ring buffer queue, the streaming service process took place 15 GPS data extracted data signals, and sends it to the server via the communication network 2 for 3;

步骤8:用户在进行选择提供视频服务和音频服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求视频服务和音频服务的数据包,当网络摄像头I接收到请求视频服务和音频服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧和放置视频帧的环形缓冲区队列的视频帧中的音频帧和视频帧取出,并将其经过通信网络2发送到服务器3中处理; Step 8: The user making a selection after deliver video and audio services, the rear end position monitoring module 13 on two pairs webcam I send request packet of video services and audio services through a communication network, when the network camera I receives requests a video service after the data packet and audio service, streaming service process took place 15 video frames annular audio frame audio frame queue buffer and ring buffer video frames are placed in a queue of audio and video frames taken, and send to the server via the communication network 2 for 3;

步骤9:用户在进行选择提供视频服务和GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求视频服务和GPS定位服务的数据包,当网络摄像头I接收到请求视频服务和GPS定位服务的数据包后,流媒体服务进程15就把放置视频帧的环形缓冲区队列的视频帧和放置GPS数据的环形缓冲区队列中的视频帧和GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理; 步骤10:用户在进行选择提供音频服务和GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求音频服务和GPS定位服务的数据包,当网络摄像头 Step 9: The user making a selection after the video services, and GPS positioning, the rear end position monitoring module 13 on two pairs webcam I send request packet of video services, and GPS location services via a communication network, when the network camera I received the request GPS location data and video frame data packet video signal and the GPS positioning service, the streaming service process took place 15 of the ring buffer queue of video frames and the video frame buffer queues disposed annular GPS data extraction and transmits it via the communication network 2 to the server 3 process; step 10: after a user making a selection to provide audio services and GPS positioning service, the monitoring module 13 is positioned on the rear of the network camera 2 transmits a request I GPS and audio services through a communications network location service packet, when the webcam

I接收到请求音频服务和GPS定位服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧和放置GPS数据的环形缓冲区队列中的音频帧和GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理; After receiving the data packet I requesting audio services and GPS positioning service, streaming service process took place 15 and an audio frame placed GPS data queue annular ring buffer audio frame buffer queue and an audio frame GPS location data signal is taken, and sends it to the processing server 3 via the communication network 2;

步骤11:用户在进行选择提供音频服务、视频服务和GPS定位服务后,后端定位监控模块13就通过通信网络2对网络摄像头I发送请求音频服务、视频服务和GPS定位服务的数据包,当网络摄像头I接收到请求音频服务、视频服务和GPS定位服务的数据包后,流媒体服务进程15就把放置音频帧的环形缓冲区队列的音频帧、放置视频帧的环形缓冲区队列的视频帧和放置GPS数据的环形缓冲区队列中的GPS定位数据信号取出,并将其经过通信网络2发送到服务器3中处理。 Step 11: performing the user choose to provide audio services, video services, and the GPS positioning, the monitoring module 13 is positioned on the rear end of the two pairs of the webcam I transmission request through the communication network audio services, video services, and GPS positioning data packet, when I webcam audio service request is received, the video data packet service and GPS location services, streaming media service process took place 15 audio frames annular audio frame buffer queue, placing the annular video frame buffer queue of video frames GPS positioning ring buffer queue and place the GPS data extracted data signals, and sends it to the processing server 3 via the communication network 2. 所述的视频帧的类型分为关键帧、单向预测帧以及双向预测帧。 The type of video frame is divided into key frames, predictive frames and bidirectional predictive frame.

[0016] 通过步骤4到步骤11就能真正实现定制化全方位的网络摄像头应用的定位监控。 [0016] 11 will be able to realize the full customized positioning monitor webcam application step to step 4.

[0017] 以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案内容,依据本发明的技术实质,在本发明的精神和原则之内,对以上实施例所作的任何简单的修改、等同替换与改进等,均仍属于本发明技术方案的保护范围之内。 [0017] The above are only preferred embodiments of the present invention only, not limitation of the present invention in any form, although the invention has been disclosed above by the preferred embodiments, but not intended to limit the present invention, anyone familiar with Those skilled in the art, without departing from the scope of the technical solution of the present invention, when some minor modifications may be made using the techniques disclosed content equivalent embodiments or equivalent modifications to change, but all without departing from the technical content of the present invention, based on the technical spirit of the present invention, within the spirit and principle of the present invention, any simple modification of the above embodiment taken embodiment, equivalent replacements and improvements, it falls within the scope of the technical solution of the present invention.

Claims (4)

1.一种基于GPS定位的网络视频监控系统,其特征在于包括一个以上的网络摄像头,网络摄像头通过通信网络同服务器相连接,所述的网络摄像头中包括处理器芯片,所述的处理器芯片带有SPI接口,所述的SPI接口内部带有移位寄存器,所述的移位寄存器同SPI接口内部设置的用于接收的FIFO队列缓存和用于发送的FIFO队列缓存相通信连接,所述的移位寄存器还同SPI接口的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK相通信连接,所述的SPI接口5的片选信号端口SS、主机输入/从机输出端口MIS0、主机输出/从机输入端口MOSI以及用于SPI接口的时钟信号端口CLK分别同设置在网络摄像头内部的GPS模块的RF8110通信接口的使能端口CLT_EN、接收端口RX、发送端口TX以及控制时钟信号端口CTL_CLK相连接,另外RF8110通信接 A network processor chip video surveillance system based on GPS positioning, comprising more than one network camera, the network camera are connected via a communication network with the server, the network camera includes a processor chip, said with the SPI interface, the internal interface with SPI shift register, FIFO queue buffer for receiving said shift register with the internal SPI interface disposed in communication with the buffer and for transmitting the connection FIFO queue, the with the further shift register SPI interface port chip select signal SS, the host input / / output port connected to the machine MIS0, master Out slave MOSI input port and a clock signal port in communication with the CLK from a SPI interface, the SPI RF8110 communication interface Interface chip selection signal port SS, host input / 5 machine output port MIS0, master Out / slave input port MOSI and a clock signal terminal CLK for the SPI interface are the same is disposed inside the network camera GPS module the enable port CLT_EN, receiving the RX port, the transmission port TX clock signal and a control port connected CTL_CLK, additional communication interface RF8110 口的接地端口GNDl同SPI接口的接地端口GND2相连接,所述的网络摄像头I还嵌入有前端定位监控模块、用于读取视频帧的进程、用于读取音频帧的进程、流媒体服务进程以及读取GPS信号的进程;所述的服务器3带有显示器,另外服务器中还设置有后端定位监控模块。 GNDl ground port opening with the ground port GND2 SPI interface connected to the network camera is also fitted with a front end positioned I monitoring module, the process for reading the video frames, audio frames for reading process, streaming services process and reading process of a GPS signal; 3 with a display of the server, the server is also provided with a further rear position monitoring module.
2.根据权利要求1所述的基于GPS定位的网络视频监控系统,其特征在于所述的处理器芯片中设置有放置视频帧的环形缓冲区队列、放置音频帧的环形缓冲区队列和放置GPS数据的环形缓冲区队列。 The network video surveillance system based on GPS positioning according to a claim, wherein said processor is provided with a chip placed in the annular buffer queue of video frames, audio frames disposed annular and disposed GPS queue buffer data ring buffer queue.
3.根据权利要求2所述的基于GPS定位的网络视频监控系统的监控方法,其特征在于,步骤如下: 步骤1:首先启动网络摄像头,网络摄像头按照设定的视频采样速率采集视频图像和音频,每采集到一个视频图像和音频,经过网络摄像头的传感器进行模数转化得到视频信号和音频信号,模数转换后的视频信号和音频信号进行矫正,矫正后的视频信号和音频信号接着分别进行编码,编码后的视频信号和音频信号就分别形成了视频帧和音频帧,得到视频帧和音频帧后信号前端定位监控模块就处理器芯片发送中断请求,所述的中断请求包括该视频帧的序号、该视频帧采集的时间戳、该视频帧所属的通道号、该视频帧的类型、该视频帧的大小、该视频帧的数据、该音频帧的序号、该音频帧采集的时间戳、该音频帧所属的通道号、该音频帧的类型、该音频帧的大小以 The video monitoring system network monitoring method based on GPS positioning according to claim 2, wherein the following steps: Step 1: First start the webcam, webcam video sample rate is set according to capture video images and audio each capture a video image and audio, through the sensor network camera for digital conversion of analog to obtain a video signal and an audio signal, the analog to digital conversion of the video signal and the audio signal is corrected, the corrected video signal and the audio signal is then separately coding, the encoded video signal and audio signal are respectively formed on the video frames and audio frames, to obtain video frames and audio frames after the signal monitoring module is positioned on the front end processor chip sends an interrupt request, the interrupt request of the video frame comprises serial number, the time stamp of the video frame capture, the channel number of the video frame belongs, the type of the video frame, the size of the video frame, the data of the video frame, the audio frame number, a time stamp of the acquired audio frame, channel number of the audio frame belongs, the type of the audio frame, the audio frame size to 及该音频帧的数据,处理器芯片接收到中断请求后,处理器芯片启动用于读取视频帧的进程、读取音频帧的进程、流媒体服务进程以及读取GPS信号的进程,用于读取视频帧的进程、读取音频帧的进程以及读取GPS信号的进程先向服务器分别发送该网络摄像头已提供视频服务、该网络摄像头已提供音频服务和该网络摄像头已提供GPS定位服务的通知数据包,用于读取视频帧的进程把该视频帧放入放置视频帧的环形缓冲区队列中,用于读取音频帧的进程把该音频帧放入放置音频帧的环形缓冲区队列中,而读取GPS信号进程就启动网络摄像头内部的GPS模块进行GPS定位数据信号的采集,并把采集来的GPS定位数据信号放入放置GPS数据的环形缓冲区队列; 步骤2:流媒体服务进程在启动时就进入监听服务器是否发送数据包的状态; 步骤3:当服务器中的后端定位监控模块 And after the audio frame data, the processor chip receiving an interrupt request, the processor chip to start the process for reading the video frames, audio frames read process, the process of streaming services and a reading process GPS signals for read the progress of the video frame, audio frame reading process and reading GPS signals are sent to the server process Xianxiang webcam video services have been provided, the webcam has been providing audio services and the webcam has been providing GPS location services notice packet, the process for reading the video frames of the video frame is placed into the ring buffer queue of video frames, audio frames for reading to process the audio frame is placed into the ring buffer queue audio frame in reading a GPS signal acquisition process GPS location data signal on the internal network camera starts GPS module, and the data collected by the GPS positioning signal is placed into a ring buffer queue GPS data; step 2: streaming service at startup process proceeds to monitor the status server sends the data packet; step 3: when the rear end of the positioning server monitoring module 过通信网络向网络摄像头发送询问资源的数据包后,网络摄像头接收到了该询问资源的数据包后,流媒体服务进程就通过通信网络向服务器发送资源响应的数据包,所述的发送资源响应的数据包中包括该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务的数据信号,服务器接收到资源响应的数据包后,后端定位监控模块对该资源响应的数据包进行解析,以此得到该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务的数据信号,然后后端定位监控模块将该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务显示在服务器的显示器上; 步骤4:根据显示在服务器的显示器上的该网络摄像头能够提供视频服务、能够提供音频服务或者能够提供GPS定位服务,用户在进行选择提供视频服 After expiration of the communication network transmits an inquiry packet resources to a network camera, the network camera receives the packet of the query resource streaming service process sends the packet resource response to the server through a communication network, said transmission resources in response to the packet includes a network camera to provide video services, audio services can be provided or can provide a data signal of the GPS location service, the server receives a data packet in response to the resource, the rear end of the data packet monitoring module locating resource response parses in order to obtain the webcam can provide video services, audio services can be provided or can provide GPS location service data signal, then the rear end of the position monitoring module webcam can provide video services, audio services can be provided or can provide GPS location service displayed on the server display; step 4: a display of the network camera on a display server to provide video services, audio services can be provided or can provide GPS location services, video services to provide the user making the selection 后,后端定位监控模块就通过通信网络对网络摄像头发送请求视频服务的数据包; 步骤5:当网络摄像头接收到请求视频服务的数据包后,流媒体服务进程就把放置视频帧的环形缓冲区队列的视频帧取出,并将其经过通信网络发送到服务器中处理; 步骤6:用户在进行选择提供音频服务后,后端定位监控模块就通过通信网络对网络摄像头发送请求音频服务的数据包,当网络摄像头接收到请求音频服务的数据包后,流媒体服务进程就把放置音频帧的环形缓冲区队列的音频帧取出,并将其经过通信网络发送到服务器中处理; 步骤7:用户在进行选择提供GPS定位服务后,后端定位监控模块就通过通信网络对网络摄像头发送请求GPS定位服务的数据包,当网络摄像头接收到请求GPS定位服务的数据包后,流媒体服务进程就把放置GPS数据的环形缓冲区队列中的GPS定位数 After the rear end of positioning the monitoring module sends a request packet video service on the network camera via a communication network; Step 5: After the network camera receives the packet requests video services, streaming media service process took place in the ring buffer video frames video frames taken queue area, and sends it to the processing server via a communications network; step 6: after making the selection the user provides audio service, the rear end position monitoring module sends a request for audio service packet network camera via a communications network , when the network camera receives a packet requesting audio services, the service process took place streaming audio frame ring buffer queue remove audio frames, and sends it to the processing server via a communications network; step 7: user after selection provide GPS location services, the rear end position monitoring module sends a request packet GPS location service of the network camera via a communication network, when the network camera receives the packet requests GPS location services, streaming media service process took place GPS positioning ring buffer number in the data queue GPS 据信号取出,并将其经过通信网络发送到服务器中处理; 步骤8:用户在进行选择提供视频服务和音频服务后,后端定位监控模块就通过通信网络对网络摄像头发送请求视频服务和音频服务的数据包,当网络摄像头接收到请求视频服务和音频服务的数据包后,流媒体服务进程就把放置音频帧的环形缓冲区队列的音频帧和放置视频帧的环形缓冲区队列的视频帧中的音频帧和视频帧取出,并将其经过通信网络发送到服务器中处理; 步骤9:用户在进行选择提供视频服务和GPS定位服务后,后端定位监控模块就通过通信网络对网络摄像头发送请求视频服务和GPS定位服务的数据包,当网络摄像头接收到请求视频服务和GPS定位服务的数据包后,流媒体服务进程就把放置视频帧的环形缓冲区队列的视频帧和放置GPS数据的环形缓冲区队列中的视频帧和GPS定位数据信号取 Remove the data signal, and sends it to the processing server via a communications network; Step 8: After making the selection the user to deliver video and audio services, the rear end position monitoring module sends a request for video services and audio services through a communications network webcam video frame data packet, when the network camera receives a packet service request video and audio services, streaming media service process took place annular audio frame and audio frame buffer queue of video frames are placed in the ring buffer queue audio and video frames taken out and sent to the server via a communication network processing; step 9: after selecting the user during video services and GPS positioning, positioning the rear end of the monitoring module sends a request to the network camera via a communications network GPS positioning service, and video data packets, when received by the webcam video service request packet and GPS positioning service, streaming service process took place in the ring buffer queue of video frames and video frames are placed annular GPS data GPS location data and video frame signal fetch buffer queue ,并将其经过通信网络发送到服务器中处理; 步骤10:用户在进行选择提供音频服务和GPS定位服务后,后端定位监控模块就通过通信网络对网络摄像头发送请求音频服务和GPS定位服务的数据包,当网络摄像头接收到请求音频服务和GPS定位服务的数据包后,流媒体服务进程就把放置音频帧的环形缓冲区队列的音频帧和放置GPS数据的环形缓冲区队列中的音频帧和GPS定位数据信号取出,并将其经过通信网络发送到服务器中处理; 步骤11:用户在进行选择提供音频服务、视频服务和GPS定位服务后,后端定位监控模块就通过通信网络对网络摄像头发送请求音频服务、视频服务和GPS定位服务的数据包,当网络摄像头接收到请求音频服务、视频服务和GPS定位服务的数据包后,流媒体服务进程就把放置音频帧的环形缓冲区队列的音频帧、放置视频帧的环形缓冲区队列 , And transmits via the communication network to the server process; Step 10: After a user making a selection to provide audio services and GPS location services, positioning the rear end of the monitoring module via a communication network service, and an audio transmission request to the GPS positioning webcam GPS data and audio frame placed ring buffer queue data packets, when the network camera receives a packet requesting audio services and GPS positioning service, streaming service process took place annular audio frame buffer queue audio frame GPS location data and the extracted signal, and sends it to the processing server via a communications network; step 11: performing the user choose to provide audio services, video services, and GPS positioning, the positioning of the rear end of the monitoring module via a communication network webcam transmission request audio services, video services, and GPS positioning data packet, when receiving a request for webcam audio services, video services, and GPS positioning data packet, the streaming media service process took place in the ring buffer queues audio frame audio frame, placing a ring buffer queue of video frames 的视频帧和放置GPS数据的环形缓冲区队列中的GPS定位数据信号取出,并将其经过通信网络发送到服务器中处理。 The video frame signals and GPS location data ring buffer queue is placed in the GPS data extracted, and sends it to the processing server via a communications network.
4.根据权利要求3所述的基于GPS定位的网络视频监控系统的监控方法,其特征在于所述的视频帧的类型分为关键帧、单向预测帧以及双向预测帧。 The network monitoring method based on GPS positioning video monitoring system according to claim 3, wherein the type of video frame is divided into key frames, predictive frames and bidirectional predictive frame.
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