CN108881202A - A kind of video monitoring system and method - Google Patents
A kind of video monitoring system and method Download PDFInfo
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- CN108881202A CN108881202A CN201810587715.XA CN201810587715A CN108881202A CN 108881202 A CN108881202 A CN 108881202A CN 201810587715 A CN201810587715 A CN 201810587715A CN 108881202 A CN108881202 A CN 108881202A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of video monitoring systems.It can be realized any popularization of video flowing, and at low cost, favorable expandability using the present invention.The present invention solves the control problem of remote shooting equipment video flowing using video stream pushing terminal, video flowing is stored using streaming media server, it is flowed to using streaming media playing platform courses video flowing, set video flowing can be pushed to specified address by sending out an instruction using interactive controlling Middleware implementation, pushed video flowing to arbitrary network node to realize or externally provided Video service；Using the cloud service of streaming media server, the tree-like architected features of tradition are revised as reticular structure, server and network bandwidth pressure is substantially reduced, supports quick dilatation on demand.
Description
Technical field
The present invention relates to streaming media live broadcast technology fields, and in particular to a kind of video monitoring system.
Background technique
Streaming Media refers to the media formats played by the way of stream transmission in Internet.Streaming Media is called streaming matchmaker
Body, it refers to that businessman issues program as data packet with a video delivery server, is transmitted on network, is obtained by each terminal
It takes and is watched after handling.
Video monitoring is exactly the letter for acquiring remote shooting equipment (nvr (hard disk video recorder) or ipc (IP Camera))
Breath plays on playing platform in the streaming media.The mode or use of customization platform is usually used in current video monitoring
The mode of integrated SDK (Software Development Kit) is realized, is had the following disadvantages：
1) customization platform is used：The buying expense of customization platform is high, and the general remote shooting for requiring its specified specification of installation
Equipment, purchase cost are high；Also, open source source code is not provided, video flowing can only play on the customization platform of buying, versatility
Difference can not recycle video flowing.By taking the customization platform of Haikang as an example, need to buy authorization, it is costly, only have access Haikang
The equipment of oneself, and picture pick-up device is required to have nvr (hard disk video recorder), need independent public network address, purchase cost is high；It does not mention
For source code of increasing income, the customization platform that video flowing can only push Haikang to from nvr is played out, and user can not push video flowing to other
Platform or network node can not externally provide service, carry out other business developments, push any streaming media server to, will regard
Frequency stream pulls to any terminal and plays out, poor universality.
2) SDK is integrated：By the way of integrated, the SDK provided using producer individually integrates each SDK, such as Haikang, greatly
The SDK of China, effect are that the relevant physical layer interface of some cameras is exposed to developer, such as pull the interface of video flowing, thus
Using FFmpeg (be it is a set of can be used to record, converted digital audio, video, and the open source computer of stream can be translated into
Program) the video flowing push-in streaming media server of each family is distributed again, still, there are many different by the SDK that manufacturer provides
Language interface, it is very high to technical requirements, the Streaming Media research and development ability of profession is needed, research and development are at high cost, and have liter with the time
The problems such as grade, is unfavorable for tripartite's extension moreover, such integrate will lead to not general communication protocol.
Summary of the invention
In view of this, can be realized any popularization of video flowing, and cost the present invention provides a kind of video monitoring system
Low, favorable expandability.
Video monitoring system of the invention, including：Video stream pushing terminal, interactive controlling middleware, streaming media server, stream
Media play platform and video playing client；
Wherein, the video stream pushing terminal is connect with picture pick-up device, for realizing picture pick-up device control and remotely take the photograph
As the extraction and push of the video flowing that equipment acquires；
The streaming media playing platform is connect with video playing client, generates interactive controlling instruction according to customer demand；
The address that video flowing is stored on streaming media server is sent to video playing client；
The interactive controlling middleware is for realizing streaming media playing platform and video stream pushing terminal, video playing client
Between information exchange；
The streaming media server is used to store the video flowing of video stream pushing terminal push；
Address foradownloaded video that the video playing client is provided according to streaming media server simultaneously plays.
Further, the video stream pushing terminal enclosure is integrated with the bottom SDK of different vendor's picture pick-up device, for realizing
The extraction of the video flowing of the control of picture pick-up device and picture pick-up device acquisition.
Further, the video stream pushing terminal includes plug-flow terminal body component, video flow processing component and video flowing
Agent components；
Wherein, plug-flow terminal body component package has the SDK of picture pick-up device, the interaction sent according to interactive controlling middleware
Control instruction controls the extraction of picture pick-up device and picture pick-up device video flowing；
The encoding and decoding for the video flowing that the video flow processing component extracts for realizing plug-flow terminal body component；
The video flowing Agent components are used for the pushing video streaming after encoding and decoding to streaming media server.
Further, the video flowing Agent components realize the multipath concurrence of video flowing using the technology of thread pool.
It further, further include screenshot component, the screenshot component is for realizing extracting plug-flow terminal body component
Video flowing carries out screenshot, and screenshot is sent to streaming media server.
Further, the streaming media server is Cloud Server.
Further, the interactive controlling instruction is the message queue format of standard JSON format.
Further, the interactive controlling instruction is equipped with priority.
The present invention also provides the methods being monitored using above-mentioned video monitoring system, include the following steps：
Step 1, client initiates video request by video playing client, and streaming media playing platform is according to streaming media service
Device address generates specified plug-flow address and broadcasts stream address, generates interactive controlling instruction；And interactive controlling is instructed, plug-flow address
Interactive controlling middleware is sent to stream address is broadcast；Plug-flow address is sent to video playing client with stream address is broadcast；
Step 2, interactive controlling middleware parses interactive controlling instruction, and interactive controlling instruction is sent to and is parsed
Video stream pushing terminal；
Step 3, video stream pushing terminal instructs extraction video flowing according to interactive controlling and plug-flow is specified to streaming media server
Plug-flow address and broadcast stream address；
Step 4, video playing client according to the plug-flow address received and broadcasts stream address, obtains from streaming media server
Video simultaneously plays video.
Beneficial effect：
It in the present invention, solves the control problem of remote shooting equipment video flowing using video stream pushing terminal, utilizes stream matchmaker
The video flowing that each picture pick-up device is sent is converted to reference format and stored by body server, is regarded using streaming media playing platform courses
Frequency stream flow direction, set video flowing can be pushed to specified address by sending out an instruction using interactive controlling Middleware implementation,
Push video flowing to arbitrary network node to realize or Video service is externally provided；It is taken using the cloud of streaming media server
The tree-like architected features of tradition are revised as reticular structure, substantially reduce server and network bandwidth pressure, supported quick on demand by business
Dilatation.
In the present invention, video stream pushing terminal completes the control to Video service by standard interaction protocol, so that shielding is not
With producer bottom SDK, technology complexity is reduced without carrying out low level development again, is applicable to various remote shooting equipment, and
It can carry out SDK extension；Research and development after being allowed to do not need the interaction for paying close attention to service and picture pick-up device again, reduce research and development cost,
Far below the cost of platform building.
In the present invention, video flowing transmit RTMP agreement itself used postpone it is low, streaming media server can unrestricted choice, flow matchmaker
The excessively high problem of delay has also been evaded in control of the body playing platform to video flowing.Streaming media playing platform and video stream pushing terminal
Using standard JSON format by message queue communication, it is easy to the extension of function.
Detailed description of the invention
Fig. 1 is present system block diagram.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The present invention provides a kind of video monitoring systems, as shown in Figure 1, among including video stream pushing terminal, interactive controlling
Part, streaming media server and streaming media playing platform；
Wherein, video stream pushing terminal：It is connect with remote shooting equipment (ipc, nvr etc.), and together with remote shooting equipment
Deployment；It is communicated with interactive controlling middleware, streaming media server；Video stream pushing terminal enclosure has remote shooting equipment
SDK, for realizing the extraction of control and video flowing to remote shooting equipment, such as：Extract the video flowing of ipc or nvr acquisition
And plug-flow is to streaming media server；Remote shooting equipment is grasped according to the interactive controlling instruction of interactive controlling middleware forwarding
Make, such as rotate ipc to specified angle, control ipc or nvr screenshot and image is sent to streaming media server.Due to each producer
The SDK of camera is different, there is different agreements in the control to camera, for this purpose, the present invention can be pushed away in video
Packaging integrates the SDK of each producer in stream terminal, and does compatible processing, externally provides consistent agreement, as a result, view of the invention
Frequency plug-flow terminal is applicable to the ipc or nvr of each manufacturer's production, and user does not have to the special picture pick-up device for being equipped with and specifying, using model
It encloses extensively, and cost can be reduced.
Specifically, video stream pushing terminal of the invention is by plug-flow terminal body component, screenshot component, video flow processing component
It is formed with 4 parts of video flowing Agent components.
Plug-flow terminal body component：It can carry out the ip address administration of remote shooting equipment (ipc, nvr), middleware
Address administration；Encapsulation is integrated with the bottom SDK of different vendor's picture pick-up device, and can carry out SDK extension；Picture pick-up device is controlled to turn
It is dynamic, it is communicated with middleware, control instruction control picture pick-up device, the extraction picture pick-up device sent according to middleware
The video flowing of acquisition is simultaneously sent to video flow processing component, control video flowing Agent components and screenshot assembly synergistic operation.
Screenshot component：The configuration that can carry out ftp (document storage server) service address ip, according to plug-flow terminal body group
The screenshotss control instruction that part forwards middleware to send carries out screenshot to the video flowing that plug-flow terminal body component extracts, and
Screenshot is sent to streaming media server.
Video flow processing component：Receive the video flowing that plug-flow terminal body component is sent and using generic way to video flowing
Coding-decoding operation is carried out, by the video stream after encoding and decoding to video flowing Agent components.
Video flowing Agent components：The video flow control life for forwarding middleware to send according to plug-flow terminal body component
It enables, the video flowing after the encoding and decoding sent to video flow processing component carries out that the control of stream plug-flow is drawn to operate, and video flowing is sent out
It send to streaming media server；Plug-flow performance when guaranteeing concurrent using the technology of thread pool can be protected in the case where bandwidth allows
64 roads stream is demonstrate,proved concurrently, to realize more people viewing of video all the way.
Streaming media server：For receiving the video flowing of video stream pushing terminal push and formatting, it is converted into leading to
The video stream format of standard, such as RTMP format, M3U8 format, FLV format；It saves the video flowing of reference format and cuts
Figure.It can self-built streaming media server, it is possible to use various cloud services on the market now find that delay is minimum, price is most suitable
Producer's service save the cost of plant maintenance and reduce streaming media server end as the substitution of self-built streaming media server
The problem of risk, and can dynamic retractility.
Streaming media playing platform：It is communicated with interactive controlling middleware and streaming media server, client passes through Streaming Media
Playing platform sends control instruction to interactive controlling middleware, extracts the video flowing in streaming media server and carries out video and broadcasts
It puts.Streaming media playing platform can be managed video playback apparatus (client), be the issuing side of pushing video streaming request；It is main
Complete the business functions such as video playing, screenshot displaying, cloud control.It can connect with multiple streaming media servers, be realized by configuring
The free switching of different streaming media servers.
Interactive controlling middleware：For the interactive controlling order that receiving stream media playing platform is sent, as remote shooting is set
Standby control instruction, plug-flow instruction, screenshotss instruction etc., are handed over for the message between video stream pushing terminal and streaming media playing platform
Mutually, the request that video stream pushing terminal is sent such as is sent to streaming media playing platform, the interaction that streaming media playing platform is sent
Control command is forwarded to specified video stream pushing terminal.Interactive controlling order is realized using Message Queuing Services, using message master
The mode subscribed to is inscribed, a kind of standard json (data format, with similar key is received:The format of value conveys data), Streaming Media
Playing platform and each video stream pushing terminal all obtain message in a session or send message, are intended for by agreement determination
The order of which kind of operation done in which end.Disappeared between video stream pushing terminal and streaming media playing platform by intermediate interaction part interaction
Breath.
Interactive controlling order generally comprises several keywords：Gongdidm indicates which video stream pushing terminal instruction is for
Which or issued from video stream pushing terminal；Cmd expression will do any operation, and flag indicates that instruction is sent out from streaming media playing platform
Out or returning from video stream pushing terminal, sn indicates that the identification number of video playback apparatus, chnnl identify remote shooting equipment
Channel number, streamtype are code stream type, and rtmpserverURL is plug-flow address.
The plug-flow order at streaming media playing platform end is：
{"gongdidm":"666666","cmd":"real.start","ipcs":[{"sn":"DS-2DE6220IW-
A-GLT20170510CCCH758308454","chnnl":1,"streamtype":"sub","rtmpserverURL":"
rtmp://124.205.50.84:1935/live"}],"flag":"request"}
Operation information queue has certain service logic, such as when operating, needs transmission sequence message, strictly presses
News release and information consumption are carried out according to the principle of first in first out.In the scene operated to a certain camera, it may go out
The case where existing contention operation, the mode that at this moment can execute in order execute, when there is super-ordinate right user to operate according to
Incoming token is preferentially executed as distinguishing.
When at video playing end, (client) sees video, streaming media playing platform, which can be issued first, requests the order of video to friendship
Mutually control middleware, client risk plug-flow address and broadcast address by corresponding protocol rule (plug-flow order rule), to
Video flowing is ready to that video can be played according to the broadcast address of streaming media server.Streaming media playing platform can be to currently playing
Video address carry out cache management, identical video will not open multiple video flowing, the time that plug-flow draws stream be saved, due to straight
It connects from streaming media server and obtains video, therefore in the case where certain road video flowing is playing, video has been cached due to the road,
The resource consumption not first switched on when other people see again is, it can be achieved that video plays immediately.
Play the walked techniqueflow summary of video：
1. streaming media playing platform initiates request, streaming media playing platform is specified according to the generation of streaming media server address
Plug-flow address and broadcast stream address, and to interactive controlling middleware release queue message.
The legal queue message 2. video stream pushing terminal is taken from interactive controlling middleware, and according to phase in message
Different processing is done in the order answered
3. video stream pushing terminal receives the order of plug-flow, video flowing is first pulled from nvr or camera, then push Streaming Media to
Server.
4. streaming media playing platform obtains video flowing according to the url generated at the beginning from streaming media server, view is played
Frequently.
When specific implementation：
1. disposing interactive controlling middleware under public network environment, allow to operate normally.
2. at the scene dispose video stream pushing terminal, by video stream pushing terminal disposition where picture pick-up device local area network, and
Video push server-side passes through service configuration page configuration picture pick-up device information, the public network address information of interactive controlling middleware.
3. disposing streaming media playing platform, interactive controlling middleware information has been configured on streaming media playing platform, it is ensured that
It can be with each video stream pushing terminal normal communication.
4. building or buying streaming media server, can voluntarily be built with open source streaming media server, or buying cloud service.
5. log-in command is initiated at Video service end, picture pick-up device information is shifted onto streaming media playing platform, center is by equipment
Information storage.
6. mobile terminal or webpage issue viewing video request (or cloud control, screenshot request) to streaming media playing platform, in
The heart is issued to interactive controlling middleware according to protocol format and is instructed, and video stream pushing terminal receives after instruction to specified address plug-flow
(or directly making cloud control or shot operation).
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of video monitoring system, which is characterized in that including：Video stream pushing terminal, interactive controlling middleware, streaming media service
Device, streaming media playing platform and video playing client；
Wherein, the video stream pushing terminal is connect with picture pick-up device, is set for realizing the control and remote shooting of picture pick-up device
The extraction and push of the video flowing of standby acquisition；
The streaming media playing platform is connect with video playing client, generates interactive controlling instruction according to customer demand；It will view
The address that frequency stream is stored on streaming media server is sent to video playing client；
The interactive controlling middleware is for realizing between streaming media playing platform and video stream pushing terminal, video playing client
Information exchange；
The streaming media server is used to store the video flowing of video stream pushing terminal push；
Address foradownloaded video that the video playing client is provided according to streaming media server simultaneously plays.
2. video monitoring system as described in claim 1, which is characterized in that the video stream pushing terminal enclosure is integrated with difference
The bottom SDK of manufacturer's picture pick-up device, for realizing the extraction for the video flowing that the control of picture pick-up device and picture pick-up device acquire.
3. video monitoring system as described in claim 1, which is characterized in that the video stream pushing terminal includes plug-flow terminal master
Body component, video flow processing component and video flowing Agent components；
Wherein, plug-flow terminal body component package has the SDK of picture pick-up device, the interactive controlling sent according to interactive controlling middleware
The extraction of instruction control picture pick-up device and picture pick-up device video flowing；
The encoding and decoding for the video flowing that the video flow processing component extracts for realizing plug-flow terminal body component；
The video flowing Agent components are used for the pushing video streaming after encoding and decoding to streaming media server.
4. video monitoring system as claimed in claim 3, which is characterized in that the video flowing Agent components are using thread pool
The multipath concurrence of technology realization video flowing.
5. video monitoring system as claimed in claim 3, which is characterized in that further include screenshot component, the screenshot component is used
Screenshot is carried out to the video flowing that plug-flow terminal body component extracts in realizing, and screenshot is sent to streaming media server.
6. video monitoring system as described in claim 1, which is characterized in that the streaming media server is Cloud Server.
7. video monitoring system as described in claim 1, which is characterized in that the interactive controlling instruction is standard JSON format
Message queue format.
8. video monitoring system as described in claim 1, which is characterized in that the interactive controlling instruction is equipped with priority.
9. a kind of video monitoring method, which is characterized in that using the video monitoring system as described in claim 1~8 any one
System is monitored, and is included the following steps：
Step 1, client initiates video request by video playing client, and streaming media playing platform is according to streaming media server
Location generates specified plug-flow address and broadcasts stream address, generates interactive controlling instruction；And it by interactive controlling instruction, plug-flow address and broadcasts
Stream address is sent to interactive controlling middleware；Plug-flow address is sent to video playing client with stream address is broadcast；
Step 2, interactive controlling middleware parses interactive controlling instruction, and interactive controlling instruction is sent to the view parsed
Frequency plug-flow terminal；
Step 3, video stream pushing terminal instructs extraction video flowing according to interactive controlling and plug-flow is pushed away to what streaming media server was specified
It flows address and broadcasts stream address；
Step 4, video playing client according to the plug-flow address received and broadcasts stream address, and video is obtained from streaming media server
And play video.
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