CN106303449A - A kind of video communication method - Google Patents
A kind of video communication method Download PDFInfo
- Publication number
- CN106303449A CN106303449A CN201610761727.0A CN201610761727A CN106303449A CN 106303449 A CN106303449 A CN 106303449A CN 201610761727 A CN201610761727 A CN 201610761727A CN 106303449 A CN106303449 A CN 106303449A
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- China
- Prior art keywords
- video
- service end
- terminal
- video terminal
- communication method
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Classifications
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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
Abstract
The invention provides a kind of video communication method, be applied to the communication between video terminal and Video service end；Wherein, the video terminal audio/video information in order to collection vehicle and the positional information of vehicle；Comprise the following steps: step S1, offer at least two connection protocol, select to set up data transmission channel between Video service end for video terminal；Step S2, video terminal use the first data message to be sent to Video service end by data transmission channel by positional information；Step S3, video terminal use the second data message to be sent to Video service end by data transmission channel by audio/video information.Having the beneficial effects that of its technical scheme, at least two connection protocol is provided to set up data transmission channel between video terminal and service end, and video terminal is by using different data messages to send corresponding data message, meets and carries out efficient data transmission between video terminal and service end.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of video communication method.
Background technology
Vehicle-mounted monitoring is the trendy video monitoring equipment aiming at vehicle-mounted security-monitoring domain design, and it have employed flush bonding processor
And embedded OS, combine audio frequency and video treatment technology up-to-date in IT field, global-positioning technology, wireless telecommunications skill
Art, usb communication technology, advanced car power management techniques, GIS geographical information technology, it is adaptable to all kinds of vehicles carry out 24 hours
Monitoring；
Monitoring device carries out audio-visual synchronization video recording, global location, wireless audio and video real-time Transmission, simultaneously reserved on main frame
Multiple interfaces, can be with mobile units such as vehicle-carrying display screen, IC-card vehicle-mounted machine, signal priority control system, passenger flow statistical systems
Connect, take into full account the extension demand of user, can be widely applied to public transport, long-distance passenger transportation, tourist bus, logistics shipping, police
The mobile traffics such as enforcement vehicle, train, subway, steamer, aircraft, and the data of video monitoring equipment collection may be output to far
In the service end of journey, with the management personnel of convenient service end, the vehicle run is monitored, and video monitoring equipment and service
It is single that end sets up the mode connected, and the data receiver formula that video monitoring equipment gathers selects single.
Summary of the invention
Set up for existing video terminal and connect and transmit the problems referred to above that data exist, now provide a kind of whole at video
Multiple connected mode is provided between end and Video service end, and the video of video terminal choosing multiple protocol transmission data leads to
Letter method.
Concrete technical scheme is as follows:
A kind of video communication method, is applied to the communication between video terminal and Video service end；Wherein, described video is eventually
Hold the audio/video information in order to collection vehicle and the positional information of vehicle；
Described video communication method comprises the following steps:
Step S1, offer at least two connection protocol, select to build between described Video service end for described video terminal
Vertical data transmission channel；
Step S2, described video terminal use one first data message that described positional information is logical by the transmission of described data
Road sends to described Video service end；
Step S3, described video terminal use one second data message to be transmitted by described data by described audio/video information
Passage sends to described Video service end.
Preferably, described connection protocol includes TCP connection protocol and/or UDP connection protocol.
Preferably, described first data message is signaling data message, and
Described second data message is bit stream data message.
Preferably, before performing described step S1, first the parameter of described video terminal is set.
Preferably, the parameter of described video terminal includes:
Audio frequency and video parameter, video channel list parameter, independent video channel parameter are arranged, special alert video recording parameter, figure
As analyzing alarm parameters and the dormancy awakening mode parameter of described video terminal.
Preferably, after setting up described data transmission channel between described video terminal and described Video service end, if in advance
If not transmitting any data in the time, the described data transmission that the most described video terminal disconnects between described Video service end is logical
Road.
Preferably, in described step S2, described video terminal uses described first data message the warning that presets to be referred to
Make and being sent to described Video service end by described data transmission channel.
Preferably, in described step S3, described service end in receive described video terminal send described video information after,
Described second data message is used to return a state notification information to described video terminal.
Preferably, the described audio/video information gathered is formed the listed files of a predetermined format and protects by described video terminal
Deposit；
Described Video service end uses described second data message to send a file acquisition to corresponding described video terminal
Request, to obtain the described listed files in described video terminal.
Preferably, described video terminal by gather described audio/video information in video data be analyzed, with
Obtaining the number analysis result in described vehicle, subsequently in described step S3, described video terminal uses described second data
Described number analysis result is sent to described Video service end together with described audio/video information by message.
Technique scheme has the advantage that or beneficial effect: provide at least two even between video terminal and service end
Connect agreement and set up data transmission channel, and video terminal is by using different data messages to send corresponding data message,
Meet and between video terminal and service end, carry out efficient data transmission.
Accompanying drawing explanation
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.But, appended accompanying drawing be merely to illustrate and
Illustrate, be not intended that limitation of the scope of the invention.
Fig. 1 is the schematic flow sheet of the present invention a kind of video communication method embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
The present invention includes a kind of video communication method.
The embodiment of a kind of video communication method, is applied to the communication between video terminal and Video service end；Wherein, depending on
The frequency terminal audio/video information in order to collection vehicle and the positional information of vehicle；
As it is shown in figure 1, video communication method comprises the following steps:
Step S1, offer at least two connection protocol, select to set up data between Video service end for video terminal and pass
Defeated passage；
Step S2, video terminal use one first data message to be sent to video by data transmission channel by positional information
Service end；
Step S3, video terminal use one second data message to be sent to regarding by data transmission channel by audio/video information
Frequently service end.
In technique scheme, for the monitoring vehicle that Video service end is real-time, can be by needing monitoring in vehicle
Position arranges and is respectively provided with video terminal, and wherein video terminal includes video acquisition unit, audio collection unit, and positional information obtains
Take unit, in order to obtain the real-time positional information of the audio/video information in vehicle and vehicle；
Video terminal can be asked by selecting a connection protocol to send audio video transmission to Video service end, Video service end
After receiving audio video transmission request, video terminal sets up data transmission channel, wherein request of data form such as table 1 below institute
Show:
Table 1
Video service end sets up data transmission channel, is wherein also based on the second number between Video service end and video terminal
The operations such as voice dialogue, voice broadcast service, audio monitoring are carried out according to message；
The audio/video information gathered and positional information also can be sent to Video service end by video terminal, wherein send
Process may particularly include:
Video terminal use the second data message by gather audio/video information export to Video service end, wherein send to
The data form of the audio/video information in Video service end is as shown in table 2 below:
Table 2
The positional information that video terminal also can will obtain, sends to Video service end based on the second data message, with side
Just the positional information knowing vehicle that Video service end is real-time.
In one preferably embodiment, connection protocol can be for TCP connection protocol.One preferably embodiment party
In formula, connection protocol can be also that connection protocol UDP connects.
In technique scheme, TCP (Transmission Control Protocol transmission control protocol) is a kind of face
To that connect, reliable, transport layer communication protocol based on byte stream, the RFC793 of IETF define；
UDP is the abbreviation of User Datagram Protocol, and Chinese name is UDP, is OSI (Open
System Interconnection, open system interconnection) a kind of connectionless transport layer protocol in reference model, it is provided that face
Transmitting service to the simple unreliable information of affairs, IETF RFC768 is the formal specification of UDP
In one preferably embodiment, the first data message is signaling data message, and the second data message is
Bit stream data message.
In one preferably embodiment, before performing step S1, first the parameter of video terminal is set.
In one preferably embodiment, the parameter of video terminal includes:
Audio frequency and video parameter, video channel list parameter, independent video channel parameter are arranged, special alert video recording parameter, figure
As analyzing alarm parameters and the dormancy awakening mode parameter of video terminal.
In technique scheme, audio frequency and video parameter is defined as follows shown in table 3；
Table 3
Audio frequency and video channel list parameter format is as shown in table 4 below:
| Start byte | Field | Data type | Describe and explanation |
| 0 | Audio frequency and video total number of channels | BYTE | Represent with 1 |
| 1 | Voice-grade channel sum | BYTE | Represent with m |
| 2 | Video channel sum | BYTE | Represent with n |
| 3 | Audio frequency and video passage synopsis | BYTE[4*(1+m+n)] |
Table 4
Audio frequency and video passage synopsis is as shown in table 5 below:
Table 5
Solely PASS VIDEO parameter is defined as follows shown in table 6:
| Start byte | Field | Data type | Describe and explanation |
| 0 | The number of channels of video parameter need to be separately provided | BYTE | n |
| 1 | Individual passage video parameter arranges list | BYTE[21*n] |
Table 6
Individual passage video parameter arranges as shown in table 7 below:
Table 7
The most also include that special alert video information parameter is as shown in table 8 below:
Table 8
Video analysis information alert parameter arranges as shown in table 9 below:
| Start byte | Field | Data type | Describe and explanation |
| 0 | The manned number of vehicle core | BYTE | Seating capacity appraised and decided by passenger stock, produces and report to the police when video analysis result exceedes |
| 1 | Degree of fatigue threshold value | BYTE | Video analysis fatigue driving alarm threshold value, produces when exceeding and reports to the police |
Table 9
The data form that video terminal dormancy awakening pattern is arranged is as shown in table 10 below:
Table 10
Above-mentioned day timing wake-up parameter is as shown in table 11:
Table 11
In one preferably embodiment, after setting up data transmission channel between video terminal and Video service end, if
Do not transmit any data in Preset Time, then video terminal disconnects the data transmission channel between Video service end.
In technique scheme, video terminal is set up with Video service end after being connected data transmission channel, if in pre-timing
In do not transmit any data, then video terminal or Video service end is optional disconnects, and then can reduce and video clothes
The consumption of resource between business end.
In one preferably embodiment, in step S2, video terminal uses the first data message by a report preset
Alert instruction is sent to Video service end by data transmission channel.
In technique scheme, above-mentioned preset instructions specifically can include；
Video signal loss alarm, video signal blocks warning, bin fault alarm, drives abnormal alarm, Qi Zhongguan
Parameter in instruction is described as follows shown in table 12:
Table 12
Abnormal driving behavior alarm parameters is as shown in table 13 below:
Table 13
In one preferably embodiment, in step S3, service end in receive video terminal send video information after,
The second data message is used to return a state notification information to video terminal.
In technique scheme, the audio/video information gathered is exported to Video service end by video terminal, for
Facilitating the user of video terminal to understand the transmission state of audio/video information timely, Video service end is sent out to video terminal
The form of the data message sent is as shown in table 13 below:
| Start byte | Field | Data type | Describe and requirement |
| 0 | Logical channel number (LCN) | BYTE | |
| 1 | Packet loss | BYTE | The packet loss of current transmission channel. numerical value is multiplied by round numbers part after 100. |
Table 13
In one preferably embodiment, video terminal is in order to form a predetermined format by the audio/video information of collection
Listed files also preserves；
Video service end uses the second data message to send a file acquisition request to corresponding video terminal, regards to obtain
Listed files in frequency terminal.
In technique scheme, the management personnel of Video service end obtain audio/video information if desired in monitor terminal, depending on
Frequently service end by the channel number according to Video Monitoring Terminal or alarm command type, and then can form corresponding file acquisition
Request, obtains corresponding listed files in video terminal, and wherein the data form of listed files is as shown in table 14 below:
Table 14
In one preferably embodiment, video terminal is by carrying out the video data in the audio/video information gathered
Analyzing, to obtain the number analysis result in vehicle, subsequently in step S3, video terminal uses the second data message by number
Analysis result sends to Video service end together with audio/video information.
And use the second data message to send Fraction analysis result to Video service end.
In technique scheme, the data form of number analysis result, as shown in table 15 below:
Table 15
In technique scheme, the most remote controlled video terminal of Video service end, Video service end is in video terminal
Obtain audio/video information positional information etc..
The foregoing is only preferred embodiment of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art, it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (10)
1. a video communication method, is applied to the communication between video terminal and Video service end；It is characterized in that, described regard
The frequency terminal audio/video information in order to collection vehicle and the positional information of vehicle；
Described video communication method comprises the following steps:
Step S1, offer at least two connection protocol, select to set up number between described Video service end for described video terminal
According to transmission channel；
Step S2, described video terminal use one first data message to be sent out by described data transmission channel by described positional information
Deliver to described Video service end；
Step S3, described video terminal use one second data message by described audio/video information by described data transmission channel
Send to described Video service end.
Video communication method the most according to claim 1, it is characterised in that described connection protocol includes TCP connection protocol
And/or UDP connection protocol.
Video communication method the most according to claim 1, it is characterised in that described first data message is signaling data report
Literary composition, and
Described second data message is bit stream data message.
Video communication method the most according to claim 1, it is characterised in that before performing described step S1, first arranges institute
State the parameter of video terminal.
Video communication method the most according to claim 4, it is characterised in that the parameter of described video terminal includes:
Audio frequency and video parameter, video channel list parameter, independent video channel parameter are arranged, special alert video recording parameter, image divide
Analysis alarm parameters and the dormancy awakening mode parameter of described video terminal.
Video communication method the most according to claim 1, it is characterised in that described video terminal and described Video service end
Between set up described data transmission channel after, if not transmitting any data in Preset Time, the most described video terminal disconnect with
Described data transmission channel between described Video service end.
Video communication method the most according to claim 1, it is characterised in that in described step S2, described video terminal is adopted
With described first data message, one alarm command preset is sent to described Video service end by described data transmission channel.
Video communication method the most according to claim 7, it is characterised in that in described step S3, described service end is in connecing
After receiving the described video information that described video terminal sends, described second data message is used to return a state notification information to institute
State video terminal.
Video communication method the most according to claim 1, it is characterised in that the described sound gathered is regarded by described video terminal
Frequently information forms the listed files of a predetermined format and preserves；
Described Video service end uses described second data message to send a file acquisition request to corresponding described video terminal,
To obtain the described listed files in described video terminal.
Video communication method the most according to claim 1, it is characterised in that described video terminal is by the institute gathered
The video data stated in audio/video information is analyzed, to obtain the number analysis result in described vehicle, subsequently in described step
In rapid S3, described video terminal uses described second data message by described number analysis result together with described audio/video information
Send to described Video service end.
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| WO2018214614A1 (en) * | 2017-05-26 | 2018-11-29 | Cheung Shirley Shiu Ling | A method of establishing a video call using multiple mobile communications devices |
| CN110602448A (en) * | 2019-08-30 | 2019-12-20 | 湖南正申科技有限公司 | Real-time multi-view audio and video transmission method |
| GB2575937A (en) * | 2017-05-26 | 2020-01-29 | Shiu Ling Cheung Shirley | A method of establishing a video call using multiple mobile communications devices |
| CN112822524A (en) * | 2021-01-05 | 2021-05-18 | 株洲中车时代电气股份有限公司 | Real-time on-demand method, device and system for locomotive-mounted video and server |
| CN114710568A (en) * | 2022-04-28 | 2022-07-05 | 中移（杭州）信息技术有限公司 | Audio and video data communication method, equipment and storage medium |
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Application publication date: 20170104 |