CN101330607B - Method and system supporting time-shifting function monitoring video as well as monitoring terminal thereof - Google Patents
Method and system supporting time-shifting function monitoring video as well as monitoring terminal thereof Download PDFInfo
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- CN101330607B CN101330607B CN2008101312236A CN200810131223A CN101330607B CN 101330607 B CN101330607 B CN 101330607B CN 2008101312236 A CN2008101312236 A CN 2008101312236A CN 200810131223 A CN200810131223 A CN 200810131223A CN 101330607 B CN101330607 B CN 101330607B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 88
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Abstract
The embodiment of the invention provides a method, a system and a monitor terminal for monitoring videos with the time-shifting support function, wherein, the method with the time-shifting support function comprises the following steps: after the monitor terminal receives a time-shifting playback command, the monitoring data flow of one video out of a local video pre-stored in the memory of the monitor terminal within the current slot, a network video pre-stored in the memory of the storage server within the current slot, or a front-end video pre-stored in the memory of a front-end monitoring device within the current slot is acquired, and the acquired monitoring data flow is replayed. By adopting the technical proposal provided by the embodiment, the video within the current slot can be obtained for playback.
Description
Technical field
The present invention relates to a kind of technical field of video monitoring, relate in particular to a kind of video frequency monitoring method and system and monitor terminal of supporting time-shifting function.
Background technology
Video monitoring is the important component part of safety-protection system, can effectively reduce the cost that society keeps the peace by video monitoring, and at present, video monitoring has been widely applied to every field.
Existing video monitoring system comprises: monitoring frontend, IP network, platform subsystem and monitor terminal; Wherein, monitoring frontend is a kind of network code equipment, and it converts the simulation video encoding to the digital video-audio coding, and sends to platform subsystem by IP network.Monitoring frontend can be equipment such as web camera, digital video frequency server and digital video recorder.Monitor terminal is the displaying interface of video monitoring system, and it obtains the digital video-audio coding and show that monitor terminal may operate on the terminal equipments such as PC, set-top box and mobile phone from platform subsystem.
The shortcoming of prior art is:
The video recording that monitoring frontend is monitored generally adopts the preserving type of segmental file, could preserve afterwards and will wait this segmental file to be write as for the video recording in the monitoring frontend current slot, to form historical video recording, when so monitor terminal is found suspicious points when monitoring in real time, the video recording that can not obtain in the current slot carries out playback, therefore, reduced the prevention effect of supervisory control system.
Summary of the invention
The embodiment of the invention provides a kind of video frequency monitoring method and system and monitor terminal of supporting time-shifting function, makes monitor terminal when the doubtful point of monitoring discovery in real time, and can obtain records a video in the current slot carries out playback.
In view of this, the embodiment of the invention provides:
A kind of video frequency monitoring method of supporting time-shifting function comprises:
After monitor terminal receives the time shift play-back command, obtain and be pre-stored in the video recording of this locality in the current slot in the monitor terminal internal memory, be pre-stored in the storage server internal memory video recording of the network in the current slot or be pre-stored in the monitoring frontend internal memory a kind of monitor data of video recording stream in the front end video recording in the current slot; The monitor data stream that playback is obtained.
A kind of monitor terminal comprises:
Time shift play-back command receiving element is used to receive the time shift play-back command;
The data flow acquiring unit, be used for after receiving described time shift play-back command, obtain this locality video recording of being pre-stored in the current slot in the monitor terminal internal memory, be pre-stored in the storage server internal memory video recording of the network in the current slot or be pre-stored in the monitoring frontend internal memory a kind of monitor data of video recording stream in the front end video recording in the current slot;
The playback data stream unit is used for the monitor data stream that playback is obtained.
A kind of video monitoring system of supporting time-shifting function comprises:
Monitoring frontend is used to monitor in real time, obtains the monitor data stream in the current slot; Described monitor data stream is kept in the internal memory of monitoring frontend as front end video recording, perhaps, described monitor data stream is sent to network video recording server to form the network video recording, perhaps, described monitor data stream is sent to monitor terminal to form local video recording;
Monitor terminal is used for after receiving the time shift play-back command, obtains the monitor data stream of a kind of video recording in local video recording in the current slot, network video recording, the front end video recording, the monitor data stream that playback is obtained.
The embodiment of the invention has following beneficial effect:
This locality video recording in the technical scheme that the embodiment of the invention provided in the current slot, network video recording, front end video recording are kept at respectively in the internal memory of monitor terminal, storage server and monitoring frontend, so when when monitoring in real time, finding suspicious points, monitor terminal is after receiving the time shift play-back command, can obtain the monitor data stream of a kind of video recording in local video recording in the current slot, network video recording, the front end video recording, video recording in can the playback current slot is so that strengthen the prevention effect of supervisory control system.
Description of drawings
Fig. 1 is the video frequency monitoring method flow chart of the support time-shifting function that provides for the embodiment of the invention one;
Fig. 2 is the video frequency monitoring method flow chart of the support time-shifting function that provides for the embodiment of the invention two;
Fig. 3 is the real-time video monitoring method flow chart that provides for the embodiment of the invention two;
The monitor terminal structure chart that Fig. 4 provides for this inventive embodiments three;
The video monitoring system structure chart of the support time-shifting function that Fig. 5 provides for the embodiment of the invention four.
Embodiment
Consult Fig. 1, the embodiment of the invention one provides a kind of video frequency monitoring method of supporting time-shifting function, comprising:
Steps A 1, monitor terminal receive the time shift play-back command.
Steps A 2, monitor terminal obtain the monitor data stream of a kind of video recording in local video recording in the current slot, network video recording, the front end video recording, wherein, described local video recording, network video recording, front end video recording are respectively the video recording that is pre-stored in monitor terminal, network video recording server and the monitoring frontend internal memory.
The monitor data stream that steps A 3, monitor terminal playback are obtained.
Consult Fig. 2, the embodiment of the invention two provides a kind of video frequency monitoring method of supporting time-shifting function, comprising:
Step B1, monitoring frontend monitoring scene obtain monitor data stream, and the monitor data stream in the current slot is kept in the internal memory of monitor terminal, record a video as this locality; Monitor data in current slot stream is kept in the internal memory of storage server by network video recording server, records a video as network; Monitor data stream in the current slot is kept on the monitoring frontend, as front end video recording.Network video recording server, monitoring frontend send to the access authentication server with the video information of network video recording and front end video recording respectively, and wherein, video information comprises: video recording classification, the information whether information whether the expression video recording begins and expression video recording finish.
When the monitor data stream in current slot is kept in the internal memory of relevant device, monitor data stream in the current slot is also carrying out writing of segmental file, form with file after segmental file has been write is kept on the disk of relevant device, as historical record.
It is unusual that step B2, user find that certain monitor channel occurs, select the time shift playback function, monitoring terminal equipment receives the time shift play-back command of this monitor channel, and visit inserts authentication server, obtains the network video recording of this monitor channel and the video information of front end video recording.
Step B3, monitor terminal obtain the video information of local video recording, make the video recording information slip, and be as shown in table 1.
| The video recording classification | The information whether the expression video recording begins | The information whether the expression video recording finishes |
| Local video recording (being kept at the video recording in the monitor terminal internal memory) | The absolute time of video recording beginning, perhaps, not video recording of-1 expression | The absolute time that video recording finishes, perhaps, 0 expression video recording is also when carrying out |
| Front end video recording (being kept at the video recording in the headend equipment internal memory) | The absolute time of video recording beginning, perhaps, not video recording of-1 expression | The absolute time that video recording finishes, perhaps, 0 expression video recording is also when carrying out |
| The network video recording (is kept at the storage clothes | The absolute time of video recording beginning, or | The absolute time that video recording finishes, or |
| Video recording in the affair device internal memory) | The person, not video recording of-1 expression | The person, 0 expression video recording is also when carrying out |
Table 1
Whether step B4, the validation of information that whether begins according to the local video recording of expression exist local video recording, if exist, then eject a window, the monitor data stream of the local video recording of playback on the left side of monitored picture in real time; If there is not local video recording, according to representing whether the validation of information whether the network video recording begins exists the network video recording, if exist, then ejects a window on the left side of real-time monitored picture, the monitor data stream of playback network video recording; If there be not local the video recording and the network video recording, then whether the validation of information that whether begins according to the expression front end video recording exists front end video recording, if exist, then ejects a window on the left side of real-time monitored picture, the monitor data stream of playback front end video recording; If three kinds of video recordings do not exist at current slot, then point out the user can't carry out the time shift playback operation.
In this step, monitor terminal will be checked the video recording information slip of monitor channel constantly in replayed section, guarantee under the situation that video recording exists, can playback record a video, guarantee under the situation that multiple video recording exists, can record a video according to this locality, the priority orders playback video recording of network video recording, front end video recording.
In this step, if in current slot sometime without any video recording, then point out the user can't carry out the time shift playback operation;
In the playback video process, the user can carry out F.F. or fast reverse operation, and monitor terminal carries out corresponding F.F. or fast reverse operation after receiving F.F. or rewind down instruction, if be fast-forward to the current time in the replayed section, then finishes playback operation.
Step B5, monitor terminal receive the instruction that the user finishes playback operation, close playback window, finish playback operation.
Wherein, step B1 specifically comprises:
The visit of step C1, monitor terminal inserts authentication server, obtains oneself to have monitor channel tabulation, and the relevant information of account number, IP address and the front end IAD of this passage of access rights.
Step C2, monitor terminal provide the monitoring channel information with access rights to select for the user, receive the instruction that the user selects monitor channel.
The user can select one or more monitor channel to monitor in real time in this step, and promptly monitor terminal receives the instruction that the user selects one or more monitor channel.
Step C3, monitor terminal select the instruction of monitor channel according to the user, send real-time monitoring request at selected monitor channel to the node-agent server.
Step C4, node-agent server notification front end IAD connect monitoring frontend that should monitor channel, to receive monitor data stream, the forward end IAD sends a notification message simultaneously, and notice front end IAD sends to video switch with the monitor data stream of this monitor channel.
Simultaneously, the monitoring frontend monitoring is on-the-spot, and the simulation video encoding is converted to the digital video-audio coding, is kept in the internal memory of monitoring frontend, as front end video recording to form monitor data stream.
Step C5, front end IAD will send to video switch from the monitor data stream of monitoring frontend.
Step C6, node server judge whether this monitor channel needs to carry out the network video recording, if, execution in step C7, if not, execution in step C8.
In advance when supervisory control system is arranged, just whether certain monitor channel of configuration needs to carry out the information that network is recorded a video on node server, node server judges according to the pre-configured monitor channel information whether needs carry out the network video recording whether this monitor channel needs to carry out the network video recording.
Step C7, node server notice video switch are sent out one road monitor data and are flow to network video recording server; Network video recording server will interior monitor data stream of this current time period sends to storage server and is kept in the internal memory of storage server, records a video as network.
Step C8, node server notice video switch are sent out one road monitor data and are flow to monitor terminal, and monitor terminal is kept at the monitor data stream in this current time period in the internal memory, records a video as this locality.
Step C9, network video recording server, monitoring frontend send to the access authentication server with video information separately, insert the video information that authentication server is preserved network video recording server, monitoring frontend.
Wherein, the specific implementation of step B4 comprises:
1, if there is this locality video recording, then need local playback monitor data stream, promptly local the broadcast ejected a window on the left side of real-time monitored picture, the monitor data stream of the local video recording of playback.
2, if there is not local video recording, there is the network video recording, monitor terminal sends the playback request of request playback network video recording to the node-agent server, node-agent server notification network video recording server carries out the playing back videos operation, network video recording server obtains the network video recording and opens the network video recording that needs playback from storage server, monitor data stream is sent to monitor terminal, this monitor data stream of monitor terminal playback.
3, if do not have local video recording and network video recording, only there is front end video recording, monitor terminal sends the playback request of request playback front end video recording to the node-agent server, node-agent server notification video switch is carried out the front end video recording playback operation, simultaneously, node-agent server notification front end IAD connects monitoring frontend, to find corresponding front end video recording, monitoring frontend is opened front end video recording, the monitor data stream of front end video recording is sent to the front end IAD, the front end IAD sends to video switch with monitor data stream, and video switch sends to monitor terminal with monitor data stream, monitor terminal playback monitor data stream.
Consult Fig. 4, the embodiment of the invention three provides a kind of monitor terminal, comprising:
Time shift play-back command receiving element 401 is used to receive the time shift play-back command;
Data flow acquiring unit 402, be used for after receiving described time shift play-back command, obtain the monitor data stream of a kind of video recording in local video recording in the current slot, network video recording, the front end video recording, wherein, local video recording in the described current slot, network video recording, front end video recording are respectively the video recording in the internal memory that is pre-stored in described monitor terminal, storage server and monitoring frontend;
Playback data stream unit 403 is used for the monitor data stream that playback is obtained.
This device also comprises:
Local video recording recording elements is used to receive described monitor data stream, and records into described local video recording.
The video information acquiring unit is used to obtain the video information of recording a video in the current slot of monitoring frontend, network video recording server and monitor terminal, and described video information comprises: the information whether video recording classification and expression video recording begin; Described data flow acquiring unit 402, the information whether the expression video recording in the video information that is used for recording a video according to this locality begins judges whether there is local video recording in the current slot, if obtain local monitor data stream of recording a video; If not,, judge whether there is the network video recording in the current slot,, if not, obtain the monitor data stream of front end video recording if the monitor data that obtains the network video recording flows according to the information whether the expression video recording in the video information in the network video recording begins.
Concrete, described playback data stream unit 403 is used in the display monitoring picture, and pop-up window is to show the monitor data stream that is obtained.
Consult Fig. 5, the embodiment of the invention four provides a kind of video monitoring system of supporting time-shifting function, comprise: monitoring frontend, monitor terminal and IP network and platform subsystem, wherein, platform subsystem comprises: node-agent server, access authentication server, front end IAD, video switch, network video recording server and storage server;
Wherein, IP network is the operational network of video monitoring system, and all interactive commands and monitor data stream all pass through IP network and transmits, and monitoring frontend and monitor terminal are by wired or unlimited IP network access platform subsystem;
Monitoring frontend is used to monitor in real time, obtains monitor data stream; Described monitor data stream is recorded in monitoring frontend as front end video recording, and the forward end IAD sends monitor data stream;
The node-agent server is used to handle the mutual control command of supervisory control system;
Insert authentication server, be used to handle the access checking of monitoring frontend and monitor terminal, promptly monitoring frontend and monitor terminal need be verified by the access that inserts authentication server, could the access platform subsystem.
The front end IAD is as the agency of monitoring frontend, the interaction protocol of unified monitoring headend equipment and platform subsystem, and receive the monitor data stream that monitoring frontend sends, receive the request monitor data stream that node server sends after, monitor data stream is sent to video switch;
Video switch, after the indication that is used for the receiving node acting server sends to the instruction of monitor terminal and network video recording server with monitor data stream, one road monitor data stream is divided into the multi-path monitoring data flow, one road monitor data stream is sent to monitor terminal, and one road monitor data stream sends to network video recording server; After the front end video recording playback request that receives from node server, termination is gone into the monitor data stream of gateway receiving front-end video recording and is sent to monitor terminal in the past;
Network video recording server is used to receive monitor data stream and records into the network video recording, and the network video recording is kept at storage server; After the playback request that receives the playback network video recording that the node-agent server sends, obtain the network video recording and open, the control data stream of network video recording is provided to monitor terminal.
Monitor terminal is used to receive the time shift play-back command, obtains the monitor data stream of local video recording in the current slot, perhaps, the monitor data that receives the network video recording from network video recording server flows, perhaps, from the monitor data stream of video switch receiving front-end video recording, the monitor data stream that playback received.
Wherein, the access authentication server, also be used to receive the video information of the front end video recording that monitoring frontend sends, receive the video information of the network video recording that network video recording server sends, described video information comprises: the information whether information whether video recording classification, expression video recording begin and expression video recording finish;
Monitor terminal also is used for obtaining the video information of front end video recording and the video information of network video recording from described access authentication server, and obtain the video information of local video recording, according to the video information that is obtained, confirm whether can playback record a video, if can playback record a video, obtain the monitor data stream of video recording according to the priority orders of this locality video recording, network video recording, front end video recording.
As seen from the above analysis, the embodiment of the invention has following beneficial effect:
1, this locality video recording in the technical scheme that the embodiment of the invention provided in the current slot, the network video recording, front end video recording is kept at monitor terminal respectively, in the internal memory of storage server and monitoring frontend, so monitor terminal is after receiving the time shift play-back command, can obtain local video recording in the current slot, the network video recording, a kind of monitor data of video recording stream in the front end video recording, video recording in can the playback current slot, so that strengthen the prevention effect of supervisory control system, preferably, monitor data stream that can playback is obtained in display monitoring video recording in real time, so that both are analyzed, the warning function of more effective performance supervisory control system.
2, the supervisory control system that the embodiment of the invention provided has been utilized time-shifting techniques, also can realize historical record interface and the switching of monitoring interface in real time on the monitor terminal.Owing to can utilize the monitor data stream of front end video recording, network video recording and/or local video recording easily, increase the flexibility of system deployment.
More than the video frequency monitoring method of the support time-shifting function that the embodiment of the invention provided and system and monitor terminal are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a video frequency monitoring method of supporting time-shifting function is characterized in that, comprising:
Monitor terminal obtains the video information of the interior corresponding video recording of current slot of monitoring frontend, storage server and monitor terminal, and described video information comprises: the information whether video recording classification and expression video recording begin;
After monitor terminal receives the time shift play-back command, according to the information whether video recording of the expression in the video information of this locality video recording begins, judge whether there is this locality video recording in the current slot, if the monitor data that obtains local video recording in the current slot flows; If not, according to the information whether video recording of the expression in the video information of network video recording begins, judge whether there is the network video recording in the current slot, if, obtain the monitor data stream of network video recording in the current slot, if not, obtain the monitor data stream of current slot Inner Front End video recording;
The monitor data stream that the monitor terminal playback is obtained.
2. method according to claim 1 is characterized in that,
Before a kind of monitor data stream of video recording, this method also comprises in local video recording in obtaining current slot, network video recording, the front end video recording:
Receive the instruction that the user selects monitor channel, to the real-time monitoring request of node-agent server transmission at selected monitor channel; Node-agent server notification front end IAD connects the monitoring frontend of corresponding selected monitor channel, and described monitoring frontend is monitored in real time, the monitor data stream of current slot is kept in the internal memory of monitoring frontend, as front end video recording.
3. method according to claim 2 is characterized in that, this method also comprises:
After the real-time monitoring request that sends to the node-agent server at selected monitor channel, this method also comprises:
The indication that front end IAD receiving node acting server sends sends to the instruction of video switch with described monitor data stream, obtains described monitor data stream and sends to video switch; Described video switch sends to monitor terminal with described monitor data stream, and described monitor terminal is kept at the monitor data stream of the current slot that received in the internal memory of monitor terminal, records a video as this locality.
4. method according to claim 3 is characterized in that, this method also comprises:
After the real-time monitoring request that sends to the node-agent server at selected monitor channel, this method also comprises:
Node server judges whether described monitor channel needs to carry out the network video recording, if the notice video switch sends described monitor data and flows to network video recording server; Described video switch sends to described network video recording server with described monitor data stream, and described network video recording server is saved in the monitor data stream of the current slot that received in the internal memory of storage server.
5. method according to claim 1 is characterized in that,
The described monitor data stream that obtains network video recording in the current slot comprises:
Described monitor terminal sends the playback request of request playback network video recording to the node-agent server, described node-agent server notification network video recording server carries out the playing back videos operation, and network video recording server sends to monitor terminal from the monitor data stream that storage server obtains described network video recording.
6. method according to claim 1 is characterized in that,
The described monitor data stream that obtains the video recording of current slot Inner Front End comprises:
Monitor terminal sends the playback request of request playback front end video recording to the node-agent server, node-agent server notification front end IAD needs the monitor data stream of the described front end video recording of playback, and the front end IAD obtains the monitor data stream of front end video recording and sends to monitor terminal from monitoring frontend.
7. according to each described method of claim 1-4, it is characterized in that,
The monitor data stream that described playback is obtained is specially:
In the display monitoring picture, pop-up window is to show the monitor data stream that is obtained.
8. a monitor terminal is characterized in that, comprising:
The video information acquiring unit is used to obtain the video information of corresponding video recording in the current slot of monitoring frontend, network video recording server and monitor terminal, and described video information comprises: the information whether video recording classification and expression video recording begin;
Time shift play-back command receiving element is used to receive the time shift play-back command;
The data flow acquiring unit, be used for after receiving described time shift play-back command,, judge whether there is local video recording in the current slot according to the information whether expression video recording in the video information of this locality video recording begins, if the monitor data that obtains local video recording in the current slot flows; If not, according to the information whether expression video recording in the video information of network video recording begins, judge whether there is the network video recording in the current slot, if, obtain the monitor data stream of network video recording in the current slot, if not, obtain the monitor data stream of current slot Inner Front End video recording;
The playback data stream unit is used for the monitor data stream that playback is obtained.
9. monitor terminal according to claim 8 is characterized in that,
Described playback data stream unit is used in the display monitoring picture, and pop-up window is to show the monitor data stream that is obtained.
10. a video monitoring system of supporting time-shifting function is characterized in that, comprising:
Monitoring frontend is used to monitor in real time, obtains the monitor data stream in the current slot; Described monitor data stream is kept in the internal memory of monitoring frontend as front end video recording, perhaps, described monitor data stream is sent to network video recording server to form the network video recording, perhaps, described monitor data stream is sent to monitor terminal to form local video recording;
The access authentication server is used to receive the video information of the front end video recording that described monitoring frontend sends, and perhaps, receives the video information of the network video recording that described network video recording server sends; Described video information comprises: the information whether video recording classification and expression video recording begin;
Monitor terminal, be used for obtaining the video information of front end video recording and the video information of network video recording from described access authentication server, after receiving the time shift play-back command, according to representing the information whether video recording begins in the video information of this locality video recording, judge and whether have local video recording in the current slot, if the monitor data that obtains local video recording in the current slot flows; If not, according to representing the information whether video recording begins in the video information of network video recording, judge and whether have the network video recording in the current slot, if, obtain the monitor data stream of network video recording in the current slot, if not, obtain the monitor data stream of current slot Inner Front End video recording, the monitor data stream that playback is obtained.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101917390B (en) * | 2009-12-17 | 2013-03-06 | 新奥特（北京）视频技术有限公司 | Multifunctional network player |
| CN101778265B (en) * | 2010-01-13 | 2012-01-04 | 上海交通大学 | Exception event detection and double-stream coding-based video monitoring method |
| CN102456376B (en) * | 2010-11-03 | 2014-11-12 | 深圳英飞拓科技股份有限公司 | Recording and play method for monitoring device |
| CN102572357B (en) * | 2011-12-31 | 2018-03-30 | 中兴通讯股份有限公司 | The storage method and video monitoring system of a kind of video monitoring front-end |
| CN103297757A (en) * | 2013-05-29 | 2013-09-11 | 常熟市广播电视总台 | Set top box based real-time monitoring system and method |
| CN103686094B (en) * | 2014-01-01 | 2017-02-01 | 中安消技术有限公司 | Video monitoring log generating method and video monitoring log generating system |
| CN108076376B (en) * | 2016-11-17 | 2021-03-12 | 杭州海康威视数字技术股份有限公司 | Video positioning playback method and device based on video cloud storage system |
| CN108632568B (en) * | 2017-03-17 | 2021-09-17 | 北京京东尚科信息技术有限公司 | Method and device for reviewing monitoring video, electronic equipment and readable storage medium |
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