CN103179387A - Monitoring and managing control method for digitalized video networking - Google Patents
Monitoring and managing control method for digitalized video networking Download PDFInfo
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- CN103179387A CN103179387A CN2013101142151A CN201310114215A CN103179387A CN 103179387 A CN103179387 A CN 103179387A CN 2013101142151 A CN2013101142151 A CN 2013101142151A CN 201310114215 A CN201310114215 A CN 201310114215A CN 103179387 A CN103179387 A CN 103179387A
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Abstract
The invention discloses a monitoring and managing control method for digitalized video networking of a road. Road branch centers are in video interconnection with an emergence center, a system for supporting an SIP (Session Initiation Protocol) is adopted in the emergence center, and signaling and data transmission is implemented by adopting an SIP mode and a non-SIP mode. By adopting the monitoring and managing control method disclosed by the invention, interconnection of monitoring networks in provincial levels can be realized, and the monitoring efficiency is improved.
Description
Technical field
The invention belongs to kilometer administrative skill field, relate to a kind of digitized video networked monitoring and managing platform technology, a kind of highway communication event video-frequency networking monitoring method that combines based on video-frequency networking and event-monitoring, relate to traffic intelligent detection and the technology such as management, monitoring specifically.
Background technology
From the large high speed of Chu in 1998 (Chuxiong-Dali) be open to traffic, by the end of the end of the year 2010,35, built high road, Yunnan highway, total kilometrage reaches 2831 kilometers.According to planning, Yunnan Province built up 4 highways again in 2011,414 kilometers of newly-increased mileages.
Video monitoring system all has the video monitoring subsystem as one of expressway safety management important technical in Yunnan Province's expressway tol lcollection, monitoring two large Mechatronic Systems.To 2010, the technological change that Video Supervision Technique experiences all embodied to some extent in the highway video monitoring system construction of Yunnan Province's different year from 1998.Summary is got up, and Yunnan Province's express highway section video monitoring system has following three kinds of patterns:
1) MPEG-2 compressing and coding system.Such Design of Digital Video Monitor System, build the time farthest, high speed as large in Chu.This type systematic adopts the MPEG-2 coding techniques, transfers vision signal to the MPEG-2 coded format, by SDH communication system transmission group net.This type systematic is because the declining simultaneously also because system arrive and transform the time limit and substituted by new technology H.264 gradually useful life of MPEG-2 technology.
2) analog video supervisory control system.Such video monitoring system utilizes optical transceiver or thick wavelength-division optical transceiver as transmission means, adopts the analog video matrix to build the highway section video monitoring system as core control equipment at the center.Its construction time all had application to 2010 at Yunnan Province's highway from 2000.Infeasible because of the optical transceiver transmission mode when economizing cascade network, and necessary video carries out the encoding and decoding digital improvement.
3) non-standard H.264 compressed video supervisory control system.This class video monitoring system is adopting H.264 standard aspect the video compression coding-decoding protocol frame, but adopts user-defined format for the video encapsulated delivery, and equipment and control signal are especially according to each producer's self-defining.Each producer's equipment can not interconnected cross complaint when video-frequency networking monitoring.
This shows: there is the multiple technologies type in highway present video monitoring system in Yunnan Province's, there is no standard, and there is greatly difficulty in networking.
Summary of the invention
The object of the invention is to the present situation in the face of high-speed video supervisory control system multiple technologies and the difficulty of depositing, network, when building the Police Command Center platform, overall planning, determine the video monitoring system construction object, move forward steadily the cluster center platform construction of video monitoring system and the progressively upgrading at center, subordinate highway section.
The invention discloses a kind of highway digitized video networked monitoring and managing control method, the video interconnect between branch center, highway section and emergency center, emergency center adopts the system that supports the SIP agreement, adopts SIP and non-SIP dual mode to carry out signaling and transfer of data.
Wherein, the video code flow of received each branch center, highway section, section of emergency center is the digital code stream that forwards by streaming media server.
Further, comprise the operation flow that the image with video camera plays back in real time on the TV after video monitoring client terminal and decoder, comprise the steps
1) at first the keeper is by the Service control interface of video monitoring client terminal, and the video camera under selected encoder is video source, and the TV under client and decoder is display device;
2) after the business application was submitted to, the video management service platform sent instructions under encoder by Session Initiation Protocol: according to after the specified format coding, Media Stream being sent on certain multicast address; Send instruction to client's extremity piece and decoding device: receiving media stream on certain multicast address, video monitoring client terminal and decoder send the IGMP message to switch, add multicast group, at once set up on switch and transmit, and are used for the forwarding of multicast message;
3) after the camera acquisition image, send video encoder in the analog video signal mode;
4) video encoder carries out the A/D conversion, uses inner special chip, and compression coding is high-resolution video media flow data, uses the form of multicast message to send to the video monitoring private network;
5) Video Decoder of receiving terminal uses the IGMP application to add corresponding multicast group, receives the multicast media stream data of particular camera, through the decoding of decoder, then carries out the D/A conversion, and real-time the reverting on monitor of image scene shown; Perhaps, by client multicast Media Stream, the soft decoding by computer directly is shown on the display of computer.
Wherein flow for displaying is:
Decoder receives the Streaming Media multicast message, the video-information decoding that uses the internal proprietary decoding chip compress, and carry out the D/A(digital to analogy) change, the analog image after efficiently reducing is delivered on monitor in real time shown;
Perhaps, after video monitoring client terminal receives the Streaming Media multicast message, call efficient software decode software, the video-information decoding after utilizing the multimedia processing capacity of CPU to compress, the digital VGA interface with analog image by video card outputs on display and shows.
Further, solve the video access video-splicing processor of uploading 60 tunnel branch centers, highway section by decoder, the various display strategies that provided by the large-size screen monitors control system on the color graphics work station will splice the demonstration of the large splicing of picture projection large-size screen monitors, give each 12 monitor walls uses of splicing large-size screen monitors both sides by 24 decoder output 24 road videos, controlled equally real time monitoring 24 road video images by the color graphics work station.
Further, the networked system that described networking is adopted is based on the IP network and realizes on application layer, comprise interconnected to based on the monitor network of SIP and non-SIP monitor network, monitor network based on SIP can be directly connected to networked system, needs to be connected to networked system by the SIP gateway based on non-SIP monitor network.
Further, authorized user on system video work station or office computer can call real-time video or historical video by local area network and show by WEB page software decode and check, information issuing system can push real-time video and pass through the WEB client-access for the Internet user.
Further, in the real-time process of playing, support candid photograph, the video recording of image, and this locality can be captured with manual central store in memory device.
Further, can plan storage, described plan storage comprises the steps:
1), the user gives each camera arrangement storage plan by data management service, and designated store resource needs to specify corresponding IP SAN equipment, memory space and data retention period of video camera and video recording storing time intervals in configuration.
2), the video management platform issues storage resources and storage plan information to video encoder corresponding to video camera.
3), the memory device of video encoder and appointment sets up the iSCSI data channel, beginning is carried out the storage of data according to storage plan.
Further, the storage of also can manually storing and report to the police.
Adopt method of the present invention, can realize that provincial monitoring network is interconnected, improve monitoring efficiency.
Description of drawings
Fig. 1: highway Video Applications networking general construction of the present invention;
Fig. 2: the operation flow logic relation picture of monitor supervision platform of the present invention system.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Branch center, highway section one-level takes video data to carry out H.264 total digitalization, realizes video interconnect between branch center, highway section and emergency center by computer software.Video code flow in emergency center received each branch center, highway section, section is the digital code stream that forwards by streaming media server, and this code stream can transmit easily, IP SAN storage, network call, outer net issue, integrated processing.Can satisfy the demand of wall monitor demonstration on TV by the configure hardware decoding device.
Emergency center adopts supports the SIP protocol system, data format and agreement with compatible different sections of highway branch center, realize that the branch center, video highway section in full monitoring range collects to the video of emergency center, adopt SIP and non-SIP dual mode to carry out signaling and transfer of data.The interconnected IP network that is based on of networked system is realized on application layer, comprises interconnected to based on the monitor network of SIP and non-SIP monitor network.Monitor network based on SIP can be directly connected to networked system, needs to be connected to networked system by the SIP gateway based on non-SIP monitor network.
H.264 code stream can directly carry out digitlization storage by IP SAN memory device, and the function such as supports to retrieve, inquire about, call.The platform support is manually stored, Event triggered is stored, the time is triggered storage, group's setting storage etc. satisfied the demand that the Police Command Center platform is stored.H.264 the video storage stream of each branch center, highway section can be called by emergency center by streaming media server.
Solve the video access video-splicing processor of uploading 60 tunnel branch centers by decoder, the various display strategies that provided by the large-size screen monitors control system on the color graphics work station will splice the demonstration of the large splicing of picture projection large-size screen monitors.Give each 12 monitor walls uses of splicing large-size screen monitors both sides by 24 decoder output 24 road videos, controlled equally real time monitoring 24 road video images by the color graphics work station.
Authorized user on system video work station or office computer can call real-time video or historical video by local area network and show by WEB page software decode and check.Information issuing system can push real-time video and pass through the WEB client-access for the Internet user.As shown in Figure 1.
Fig. 2 is that platform service concerns flow chart, specifically comprises: real-time video is play under keeper's control, and the operation flow that the image of video camera is played back on the TV after video monitoring client terminal and decoder in real time is as follows:
Controlling unit:
At first the keeper is by the Service control interface of video monitoring client terminal, and the video camera under selected encoder is video source, and the TV under client and decoder is display device.
After the business application was submitted to, the video management service platform sent instructions under encoder by Session Initiation Protocol: according to after the specified format coding, Media Stream being sent on certain multicast address; Send instruction to client's extremity piece and decoding device: receiving media stream on certain multicast address, video monitoring client terminal and decoder send the IGMP message to switch, add multicast group, at once set up on switch and transmit, and are used for the forwarding of multicast message.
Video acquisition:
After the camera acquisition image, send video encoder in the analog video signal mode;
Encoder carries out the A/D(analog to digital) conversion, use inner special chip, compression coding is the video media flow data of high-resolution (the highest support 1080P), uses the form of multicast message to send to the video monitoring private network;
Transmission link:
The Video Decoder of receiving terminal is as long as use the IGMP application to add corresponding multicast group, just can receive the multicast media stream data of particular camera, through the decoding of decoder, then carry out the D/A conversion, just can be with real-time the reverting on monitor of image scene.If do not use Video Decoder, also can pass through client multicast Media Stream, the soft decoding by computer directly is shown on the display of computer.
The switch of video monitoring private network is by the private exchange chip, the IP message is carried out high-performance forwards according to transmitting, and multicast message is copied to the port at monitor client and decoder place, and there is no these multicast messages on other port.
Show link:
Decoder receives the Streaming Media multicast message, the video-information decoding that uses the internal proprietary decoding chip compress, and carry out the D/A(digital to analogy) change, the analog image after efficiently reducing is delivered on monitor in real time shown.
After video monitoring client terminal receives the Streaming Media multicast message, call efficient software decode software, video-information decoding after utilizing the multimedia processing capacity of CPU to compress, the digital VGA interface with analog image by video card outputs on display and shows.In the real-time process of playing, support candid photograph, the video recording of image, and this locality can be captured with manual central store in memory device.
More than to complete the many-one monitoring with the multicast flow process; If use clean culture, encoder support send multichannel (maximum 4 tunnel) unicast media stream simultaneously; If the user who watches simultaneously surpasses the upper limit of encoder, can forward by stream matchmaker service software.
Cradle head control
Video monitoring client terminal can carry out Long-distance Control after selecting a monopod video camera.
At first system can judge whether the user has control authority to video camera, if do not have, and the control request of video management platform software meeting refusing user's, and tip out on video monitoring client terminal.
After the user operated cradle head control, the signaling format of monitor client cradle head control agreement by this The Cloud Terrace with control command sent to the video management platform in the mode of Session Initiation Protocol, and video management server will be controlled message repeating to encoder; After encoder is received the cradle head control instruction, by the RS485 bus, control command is sent to The Cloud Terrace.
All the user is divided into 9 grades to the control authority of The Cloud Terrace, and the user of high priority can seize the control authority of low priority user; If a user is carrying out important manipulation, can select to lock The Cloud Terrace, this moment, the high priority client also can't seize, and after manipulation was completed, the user discharges The Cloud Terrace or the admin keeper forces to discharge The Cloud Terrace, and other users just can operate and seize.Because all cradle head control are all by IP network, carry out transfer via the video management platform, therefore can realize the unified distribution of the cradle head control authority of the whole network; Cradle head control only has signaling moiety, and data volume is very little, on the not impact of performance of video management platform.
Historical video recording storage
The plan storage
1, the user gives each camera arrangement storage plan by data management service, and the designated store resource.Need IP SAN equipment, memory space and data retention period (number of days or space size) of specifying video camera corresponding and the storing time intervals etc. of recording a video in configuration;
2, the video management platform issues storage resources and storage plan information to video encoder corresponding to video camera;
3, the memory device of video encoder and appointment (IP SAN) is set up the iSCSI data channel, and beginning is carried out the storage of data according to storage plan;
4, after the data of storage reach pre-assigned space, cover the data that write the earliest, the circulation storage;
5, the user can enable the storage plan of configuration/enable operation not.If carried out not enable operation, video management platform notice video encoder suspends the video recording storage, again recovers storage after enabling.
Manually storage
1, the user at first by data management service to the camera arrangement storage resources;
2, on user interface, at first the user has access to the fact of specifying video camera.After setting up fact, the user can start and close manual storage.The memory space of the video recording data sharing plan storage of manually storing.
Report to the police and store
1, the user at first by data management service to the camera arrangement storage resources;
2, the user configures the alarm interlock, specifies linkage action to be the video recording storage.After alarm is set out, start and carry out alarm linkage video recording storage, the time (time can configure) of each alarm linkage video recording.The memory space of the video recording data sharing plan storage of storage.
The client terminal local video recording
1, at first client asks to set up the fact of one road camera to client;
2, after live foundation, the client terminal local video recording storage that client can this camera of start/stop, the user can specify the store path of video recording on client;
3, the video recording of client terminal local is deposited with file mode, directly TS is flowed writing in files.
Playing back videos
1, the playing back videos of central store adopts the RTSP agreement of standard to complete.Media Stream is the TS stream of standard;
2, the Web client according to the time period information of appointment, is first initiated the inquiry video recording rtsp url information of corresponding time period to the video management platform.The video management platform forwards this request to data management service, and DM returns to correct rtsp url information to the video management platform, and the video management platform is received to returning to client;
3, client first Video Decoder direct according to the rtsp url that obtains initiated the playing back videos request;
4, data management service is converted to TS stream with the data block of IPSAN storage and sends to client by the RTSP agreement.
In replayed section, the playback controls that client can be recorded a video by the rtsp signaling of standard.
Video recording is downloaded
In current system, the center video recording is downloaded and is adopted the playback flow process to realize.The user specifies the storing path of video file on client, start to download flow process, and client is obtained center video recording data by RTSP playback flow process, and the TS flow data that gets writes direct in file.
Speech talkback and broadcasting
1, the speech talkback flow process is identical with the real-time video playing flow, and speech talkback forwards without overcurrent matchmaker management service;
2, voice broadcast service is actually the session that client is initiated a plurality of speech talkbacks simultaneously.
Claims (10)
1. highway digitized video networked monitoring and managing control method, the video interconnect between branch center, highway section and emergency center, emergency center adopts the system that supports the SIP agreement, adopts SIP and non-SIP dual mode to carry out signaling and transfer of data.
2. highway digitized video networked monitoring and managing control method according to claim 1, it is characterized in that: the video code flow of each branch center, highway section, section that emergency center is received is the digital code stream that forwards by streaming media server.
3. highway digitized video networked monitoring and managing control method according to claim 2 is characterized in that: comprise the operation flow that the image with video camera plays back in real time on the TV after video monitoring client terminal and decoder, comprise the steps
1) at first the keeper is by the Service control interface of video monitoring client terminal, and the video camera under selected encoder is video source, and the TV under client and decoder is display device;
2) after the business application was submitted to, the video management service platform sent instructions under encoder by Session Initiation Protocol: according to after the specified format coding, Media Stream being sent on certain multicast address; Send instruction to client's extremity piece and decoding device: receiving media stream on certain multicast address, video monitoring client terminal and decoder send the IGMP message to switch, add multicast group, at once set up on switch and transmit, and are used for the forwarding of multicast message;
3) after the camera acquisition image, send video encoder in the analog video signal mode;
4) video encoder carries out the A/D conversion, uses inner special chip, and compression coding is high-resolution video media flow data, uses the form of multicast message to send to the video monitoring private network;
5) Video Decoder of receiving terminal uses the IGMP application to add corresponding multicast group, receives the multicast media stream data of particular camera, through the decoding of decoder, then carries out the D/A conversion, and real-time the reverting on monitor of image scene shown; Perhaps, by client multicast Media Stream, the soft decoding by computer directly is shown on the display of computer.
4. highway digitized video networked monitoring and managing control method according to claim 3, it is characterized in that: flow for displaying is:
Decoder receives the Streaming Media multicast message, the video-information decoding that uses the internal proprietary decoding chip compress, and carry out the D/A(digital to analogy) change, the analog image after efficiently reducing is delivered on monitor in real time shown;
Perhaps, after video monitoring client terminal receives the Streaming Media multicast message, call efficient software decode software, the video-information decoding after utilizing the multimedia processing capacity of CPU to compress, the digital VGA interface with analog image by video card outputs on display and shows.
5. highway digitized video networked monitoring and managing control method according to claim 4, it is characterized in that: solve the video access video-splicing processor of uploading 60 tunnel branch centers, highway section by decoder, the various display strategies that provided by the large-size screen monitors control system on the color graphics work station will splice the demonstration of the large splicing of picture projection large-size screen monitors, give each 12 monitor walls uses of splicing large-size screen monitors both sides by 24 decoder output 24 road videos, controlled equally real time monitoring 24 road video images by the color graphics work station.
6. according to claim 1-5 described highway digitized video of any one networked monitoring and managing control methods, it is characterized in that: the networked system that described networking is adopted is based on the IP network and realizes on application layer, comprise interconnected to based on the monitor network of SIP and non-SIP monitor network, monitor network based on SIP can be directly connected to networked system, needs to be connected to networked system by the SIP gateway based on non-SIP monitor network.
7. according to claim 1-6 described highway digitized video of any one networked monitoring and managing control methods, it is characterized in that: the authorized user on system video work station or office computer can call real-time video or historical video by local area network and show by WEB page software decode and check, information issuing system can push real-time video and pass through the WEB client-access for the Internet user.
8. according to claim 1-7 described highway digitized video of any one networked monitoring and managing control methods, it is characterized in that: in the process of playing in real time, support candid photograph, the video recording of image, and this locality can be captured with manual central store in memory device.
9. according to claim 1-8 described highway digitized video of any one networked monitoring and managing control methods is characterized in that: can plan storage, described plan storage comprises the steps:
1), the user gives each camera arrangement storage plan by data management service, and designated store resource needs to specify corresponding IP SAN equipment, memory space and data retention period of video camera and video recording storing time intervals in configuration;
2), the video management platform issues storage resources and storage plan information to video encoder corresponding to video camera;
3), the memory device of video encoder and appointment sets up the iSCSI data channel, beginning is carried out the storage of data according to storage plan.
10. according to claim 1-8 described highway digitized video of any one networked monitoring and managing control methods, is characterized in that: the storage of also can manually storing and report to the police.
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| CN109327680A (en) * | 2018-09-21 | 2019-02-12 | 北京世纪东方国铁科技股份有限公司 | Multi-path video data concurrently stores and read method |
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| CN111935457A (en) * | 2020-08-12 | 2020-11-13 | 创意信息技术股份有限公司 | Intelligent storage system |
| CN115174627A (en) * | 2022-07-06 | 2022-10-11 | 国网山东省电力公司青岛供电公司 | Intelligent power protection communication command system and platform based on aggregation gateway |
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Application publication date: 20130626 |