CN107896314A - A kind of video transmission method and equipment - Google Patents
A kind of video transmission method and equipment Download PDFInfo
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- CN107896314A CN107896314A CN201711104024.1A CN201711104024A CN107896314A CN 107896314 A CN107896314 A CN 107896314A CN 201711104024 A CN201711104024 A CN 201711104024A CN 107896314 A CN107896314 A CN 107896314A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
Abstract
The invention discloses a kind of video transmission method and equipment, wherein method includes：First equipment it is determined that itself be main equipment after, to the second equipment send the first synchronic command；First synchronic command is used for the video formats list for indicating that the second equipment returns to the second equipment to the first equipment；First equipment obtains the video formats list of the first equipment；First equipment determines synchronous standard according to the video formats list of the first equipment and the video formats list of the second equipment；Synchronous standard is present in the video formats list of the first equipment and the video formats list of the second equipment simultaneously；First equipment sends the first configuration-direct to the second equipment；First configuration-direct includes synchronous standard；First configuration-direct is used to indicate that the second device configuration is mode of operation corresponding to synchronous standard；First device configuration is mode of operation corresponding to synchronous standard.Video receiver is only required at least one of all video formats of compatible video transmitting terminal, so as to reduce cost.
Description
Technical field
The present invention relates to analog video technical field, more particularly to a kind of video transmission method and equipment.
Background technology
In safety-security area, the signaling mode being related to analog video monitoring system is more and more, including SD falls line by line
Phase standard (Phase Alteration Line, PAL), NTSC standard (National Television
Standards Committee, NTSC), and the simulation high definition standard occurred in recent years, including 720P25Fps,
720P30Fps, 720P50Fps, 720P60Fps, 1080P25Fps, in addition have 1080P30Fps, 1080P50Fps,
The increasing analog video standard such as 1080P60Fps, 4K25Fps, 4K30Fps occurs.Due to increasing for video formats, make
The compatibling problem obtained between video transmission end and receiving terminal highlights all the more.
In existing Video transmission system, the compatibling problem between analog video transmitting terminal and receiving terminal, it is normally placed at
Analog video receiving terminal solves, i.e., analog video receiving terminal needs compatible a large amount of standards just to can guarantee that regarding for analog video transmitting terminal
Frequency image can be received, shown and stored.In order to meet these demands, receiving terminal needs to arrange extra memory module and place
Manage module so that the cost of receiving terminal is constantly lifted.
In summary, in the prior art there is receiving terminal cost it is higher the problem of.
The content of the invention
The present invention provides a kind of video transmission method and equipment, to solve receiving terminal cost present in prior art compared with
The problem of high.
The embodiment of the present invention provides a kind of video transmission method, including：
First equipment it is determined that itself be main equipment after, to the second equipment send the first synchronic command；Described first is same
Step instruction is used for the video formats list for indicating that second equipment returns to second equipment to first equipment；
First equipment obtains the video formats list of first equipment；
First equipment arranges according to the video formats list of first equipment and the video formats of second equipment
Table determines synchronous standard；The synchronous standard is present in the video formats list of first equipment and second equipment simultaneously
Video formats list in；
First equipment sends the first configuration-direct to second equipment；First configuration-direct includes described
Synchronous standard；First configuration-direct is used to indicate that second device configuration is Working mould corresponding to the synchronous standard
Formula；
First device configuration is mode of operation corresponding to the synchronous standard.
Optionally, in addition to：
After it is determined that itself being slave unit, receive that second equipment is sent second synchronously refers to first equipment
Order；
First equipment returns to the video formats list of first equipment to second equipment；
First equipment receives the second configuration-direct that second equipment is sent；Second configuration-direct includes
The synchronous standard；The synchronous standard is second equipment according to the video formats list of first equipment and described
What the video formats list of two equipment determined；
First device configuration is mode of operation corresponding to the synchronous standard.
Optionally, first synchronic command, first configuration-direct, second synchronic command, described second are matched somebody with somebody
It is with vision signal to put instruction, the video formats list of first equipment and the video formats list of second equipment
What form was sent.
Optionally, first equipment is to confirm itself to be main equipment or slave unit in the following manner, including：
First equipment receives triggering command；The triggering command is used to trigger first equipment and the second equipment；
First equipment sends first to second equipment with default video standard and shaken hands instruction；Described first shakes hands
Instruct and first shaken hands for indicating second equipment receiving described first and shake hands to return to first equipment after instruction
Response；
First equipment received in the first preset time after receiving the triggering command described first shake hands should
When answering, determine itself to be main equipment；
First equipment does not receive described first in the first preset time after receiving the triggering command and shaken hands
During response, first equipment switchs to receive second that second equipment is sent and shaken hands instruction；
First equipment received in the second preset time described second shake hands instruction when, determine itself to be slave unit,
And return to second to second equipment and shake hands response.
Optionally, first equipment is according to the video formats list of first equipment and the video of second equipment
Standard list determines synchronous standard, including：
First equipment obtains the video formats list of first equipment and the video formats row of second equipment
The common factor of table；
The synchronous standard is obtained from the common factor according to preset rules.
The embodiment of the present invention provides a kind of video transmission equipment, applied to the first equipment, including：
Processing unit, for it is determined that the first equipment be main equipment after, to the second equipment send the first synchronic command；Institute
State the first synchronic command and be used for the video formats list for indicating that second equipment returns to second equipment；
The processing unit, it is additionally operable to obtain the video formats list of first equipment；
The processing unit, it is additionally operable to what is received according to the video formats list of first equipment and by Transmit-Receive Unit
The video formats list of second equipment determines synchronous standard；The synchronous standard is present in regarding for first equipment simultaneously
In the list of frequency standard and the video formats list of second equipment；
The processing unit, it is additionally operable to control the Transmit-Receive Unit to send the first configuration-direct to second equipment；Institute
Stating the first configuration-direct includes the synchronous standard；First configuration-direct is used to indicate second device configuration for institute
State mode of operation corresponding to synchronous standard；
The processing unit, it is mode of operation corresponding to the synchronous standard to be additionally operable to first device configuration.
Optionally, the processing unit, be additionally operable to it is determined that first equipment be slave unit after, control the transmitting-receiving
Unit receives the second synchronic command that second equipment is sent；
The processing unit, it is additionally operable to control the Transmit-Receive Unit to return to regarding for first equipment to second equipment
Frequency standard list；
The Transmit-Receive Unit, it is additionally operable to receive the second configuration-direct that second equipment is sent；Second configuration refers to
Order includes the synchronous standard；The synchronous standard is video formats list of second equipment according to first equipment
What the video formats list with second equipment determined；
First device configuration is mode of operation corresponding to the synchronous standard.
Optionally, first synchronic command, first configuration-direct, second synchronic command, described second are matched somebody with somebody
It is with vision signal to put instruction, the video formats list of first equipment and the video formats list of second equipment
What form was sent.
Optionally, the Transmit-Receive Unit, it is additionally operable to receive triggering command；The triggering command is set for triggering described first
Standby and the second equipment；
The processing unit, is specifically used for：
Control the Transmit-Receive Unit to send first to second equipment with default video standard to shake hands instruction；Described first
Shake hands instruction be used for indicate second equipment receive described first shake hands instruction after to first equipment return first
Shake hands response；
In the first preset time after receiving the triggering command Transmit-Receive Unit receive described first shake hands should
When answering, the processing unit determines that first equipment is main equipment；
Described first is not received in the first preset time after the Transmit-Receive Unit receives the triggering command to shake hands
During response, the processing unit control the Transmit-Receive Unit to switch to receive second equipment is sent second shakes hands instruction；
In the second preset time the Transmit-Receive Unit receive described second shake hands instruction when, the processing unit determines institute
It is slave unit to state the first equipment, and controls the Transmit-Receive Unit to return to second to second equipment and shake hands response.
Optionally, the processing unit is specifically used for：
Obtain the common factor of the video formats list of first equipment and the video formats list of second equipment；
The synchronous standard is obtained from the common factor according to preset rules.
The embodiment of the present invention provides a kind of readable storage medium storing program for executing, and the readable storage medium storing program for executing is stored with computing device and can perform
Instruction, the computing device executable instruction are used to make the computing device transmission of video side described in any one as described above
Method.
The embodiment of the present invention provides a kind of computing device, including：
Memory, instructed for storage program；
Processor, for calling the programmed instruction stored in the memory, perform according to the program of acquisition and appoint as described above
Video transmission method described in one.
In summary, the embodiment of the present invention provides a kind of video transmission method and equipment, wherein method and included：First equipment
It is determined that itself be main equipment after, to the second equipment send the first synchronic command；First synchronic command is used to indicate that second sets
The standby video formats list that the second equipment is returned to the first equipment；First equipment obtains the video formats list of the first equipment；The
One equipment determines synchronous standard according to the video formats list of the first equipment and the video formats list of the second equipment；Synchronous standard
It is present in simultaneously in the video formats list of the first equipment and the video formats list of the second equipment；First equipment is to the second equipment
Send the first configuration-direct；First configuration-direct includes synchronous standard；First configuration-direct is used to indicate the second device configuration
For mode of operation corresponding to synchronous standard；First device configuration is mode of operation corresponding to synchronous standard.First equipment and second
Device configuration be identical synchronization standard after, can be to carry out transmission of video, one of them is video transmission end, and another is
Video receiver.In embodiments of the present invention, video receiver whether the first equipment, or the second equipment, it all need not
All video formats in video transmission end are configured, because the first equipment can be by obtaining the first equipment and the second equipment
Simultaneously therefrom determination belongs to the synchronous standard of the video formats list of two equipment for video formats list, so that, video connects
Receiving end is only required at least one of all video formats of compatible video transmitting terminal.Therefore, energy of the embodiment of the present invention
Enough reduce the cost of video receiver.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is a kind of video transmission method schematic flow sheet provided in an embodiment of the present invention；
Fig. 2 is the method flow schematic diagram that a kind of first equipment provided in an embodiment of the present invention confirms identity；
Fig. 3 is a kind of video transmission equipment structural representation provided in an embodiment of the present invention；
Fig. 4 is a kind of computing device structural representation provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Fig. 1 is a kind of video transmission method schematic flow sheet provided in an embodiment of the present invention, as shown in figure 1, including following
Step：
S101：First equipment it is determined that itself be main equipment after, to the second equipment send the first synchronic command.
S102：Second equipment receives the first synchronic command, and the video formats list of the second equipment is returned to the first equipment.
S103：First equipment obtains the video formats list of the first equipment.
S104：First equipment determines same according to the video formats list of the first equipment and the video formats list of the second equipment
Walk standard；Synchronous standard is present in the video formats list of the first equipment and the video formats list of the second equipment simultaneously.
S105：First equipment sends the first configuration-direct to the second equipment；First configuration-direct includes synchronous standard.
S106：Second equipment receives synchronic command, and is configured to that corresponding mode of operation is simultaneously indicated.
S107：First device configuration is mode of operation corresponding to synchronous standard.
It should be understood that in the embodiment of the present invention in the first equipment and the second equipment one be video transmission end, such as video camera, separately
One is video receiver, such as digital hard disc video recorder (Digital Video Recoder, DVR), wherein, video transmission end
Image acquisition and processing and video sending function can be included, video receiver can include video reception and image procossing with depositing
Store up function etc..Video transmitting procedure both may refer to the first equipment to the transmission of video of the second equipment, may refer to again
Transmission of video of two equipment to the first equipment.In the embodiment of the present invention, video transmission end and video receiver have two-way communication
Function, video transmission end can send signal of communication to video receiver, can also receive the communication letter of video receiver transmission
Number, likewise, video receiver can send signal of communication to video transmission end, the logical of video transmission end transmission can also be received
Believe signal.
In S101, the equipment as main equipment can send synchronic command to opposite equip., therefore, true in the first equipment
It is fixed itself be main equipment after, send the first synchronic command to the second equipment, now, the second equipment is to be corresponding with main equipment from setting
It is standby.
After the second equipment receives the first synchronic command in S102, the video formats of itself will be sent to the first equipment
List.In embodiments of the present invention, the first equipment and the second equipment all have respective video formats list, video formats list
In have recorded the video formats that this equipment can be supported, optionally, each video formats pair are also recorded in video formats list
The video formats coding rule answered, in the first equipment and the second equipment, identical video formats have identical video formats
Coding rule.
In S104, synchronous standard determined by the first equipment is present in the video formats list and the of the first equipment simultaneously
In the video formats list of two equipment, therefore the first equipment and the second equipment can support the synchronous standard.Optionally, first
Equipment can determine synchronous standard in the following manner, including：First equipment obtains the video formats list and second of the first equipment
The common factor of the video formats list of equipment；Synchronous standard is obtained from common factor according to preset rules.First equipment is receiving second
After the video formats list of equipment, compared with the video formats list of itself or logic judgment, so as to obtain two videos
The common factor of standard list.When it is that non-NULL occurs simultaneously to occur simultaneously, synchronous standard is obtained from common factor according to preset rules.Preset rules can
Depending on the application demand of reality, for example, requiring higher application scenarios for video definition, may be selected to divide in occuring simultaneously
The maximum video formats of resolution as synchronous standard, in another example, can for the higher application scenarios of transmission of video requirement of real-time
Frame per second highest video formats are as synchronous standard etc. during selection is occured simultaneously.By the flexible selection of preset rules, can make to regard
Keep pouring in defeated preferably suitable for practical application scene.When it is empty set to occur simultaneously, illustrate that the first equipment and the second equipment can not be simultaneous
Hold, now, the first equipment can return to error message to notify administrative staff's replacing or more new equipment to administrative staff.
In S107, the mode of operation of itself is configured to mode of operation corresponding to synchronous standard by the first equipment, now, just
Complete the synchronization between the first equipment and the second equipment, the first equipment and the second equipment next can be to pass through synchronous standard
Carry out transmission of video.Optionally, S105 and S107 does not have strict sequencing, and the first equipment first can also work itself
Pattern configurations are the mode of operation corresponding to synchronous standard, then send the first configuration-direct to the second equipment, naturally it is also possible to
While itself mode of operation is configured into mode of operation corresponding to synchronous standard first configuration-direct etc. is sent to the second equipment
Deng.
Optionally, the video transmission method that the embodiment of the present invention is provided also includes：First equipment it is determined that itself be from
After equipment, the second synchronic command that the second equipment is sent is received；First equipment returns to the video of the first equipment to the second equipment
Standard list；First equipment receives the second configuration-direct that the second equipment is sent；Second configuration-direct includes synchronous standard；Together
Step standard is that the second equipment determines according to the video formats list of the first equipment and the video formats list of the second equipment；First
Device configuration is mode of operation corresponding to synchronous standard.Specifically, the first equipment it is determined that itself be slave unit after, just enter
Enter reception pattern, receive the second synchronic command that the second equipment is sent.First equipment receives the second same of the second equipment transmission
After step instruction, the video formats list of itself is returned to the second equipment.Second equipment receives the video formats of the first equipment
After list, synchronous standard is determined according to the video formats list of the first equipment and the video formats list of itself, its specific mistake
Journey refers to the process that above-mentioned first equipment determines synchronous standard, and the embodiment of the present invention repeats no more.Second equipment is determining
After synchronous standard, synchronous standard is sent to by the first equipment by the second configuration-direct, afterwards, itself will be configured to synchronous system
Mode of operation corresponding to formula.First equipment is configured to synchronization after the second configuration-direct is received, by the mode of operation of itself
Mode of operation corresponding to standard.
Optionally, in order to ensure display quality, the video receiver in the first equipment and the second equipment is being configured to synchronization
Before mode of operation corresponding to standard, vision signal is not shown.
, can be to carry out transmission of video, wherein one after first equipment and the second device configuration are identical synchronization standard
Individual is video transmission end, and another is video receiver.In embodiments of the present invention, video receiver whether the first equipment,
Or the second equipment, it need not all configure all video formats in video transmission end, because the first equipment can pass through
Obtain the video formats list of the first equipment and the second equipment and therefrom determine to belong to the video formats list of two equipment
Synchronous standard, so that, video receiver is only required at least one of all video formats of compatible video transmitting terminal
.Therefore, the embodiment of the present invention can reduce the cost of video receiver.
Optionally, in the embodiment of the present invention, the first synchronic command, the first configuration-direct, the second synchronic command, the second configuration
Instruction, the video formats list of the first equipment and the video formats list of the second equipment are sent in the form of vision signal
's.Specifically, above-mentioned various instructions or message are carried on the blanking zone of vision signal, in the blanking zone of vision signal not
The content information of vision signal is carried, it is the beginning for defining frame in the prior art, and carries demodulated pilot signal
Relevant information.The interaction before the first equipment and the second equipment is carried out using the pattern of vision signal, is to allow first
Video transmission end in equipment and the second equipment can rapid configuration be mode of operation corresponding to synchronous standard and with synchronous standard
Launch vision signal, it is time-consuming to reduce switching.
Optionally, the transmission means based on above-mentioned instruction or message, it is true that the embodiment of the present invention also provides a kind of first equipment
Itself is recognized for main equipment or the method for slave unit, as shown in Fig. 2 confirming for a kind of first equipment provided in an embodiment of the present invention
The method flow schematic diagram of identity, as shown in Fig. 2 comprising the following steps：
S201：First equipment receives triggering command；Triggering command is used to trigger the first equipment and the second equipment.
S202：First equipment sends first to the second equipment with default video standard and shaken hands instruction；First, which shakes hands, instructs use
In indicating the second equipment first is returned to the first equipment after instruction shake hands response receiving first and shake hands.
S203：First equipment received in the first preset time after receiving triggering command first shake hands response when, really
Fixed itself is main equipment.
S204：First equipment do not received in the first preset time after receiving triggering command first shake hands response when,
First equipment switchs to receive second that the second equipment is sent and shaken hands instruction.
S205：First equipment received in the second preset time second shake hands instruction when, determine itself to be slave unit, and to
Second equipment returns to second and shaken hands response.
In S201, optionally, the first equipment is configured as default master, and the second equipment is configured as acquiescence from setting
It is standby, this configuration mode can be the first equipment, the second equipment dispatch from the factory configuration or hardware mode configuration, such as button
Switch or software mode setting etc..Triggering command can be that third party sends out to the first equipment and the second equipment simultaneously
The instruction sent, the first equipment and the second equipment start timing while triggering command is received.
In S202, configured when the default video standard of the first equipment can dispatch from the factory by the first equipment, can also
Be hardware or software design patterns etc..If the second equipment have received first and shake hands instruction, just illustrate that the second equipment can be supported
The default video standard, now the second equipment return to first to the first equipment with the default video standard and shake hands response.
In S203, when the first equipment received in the first preset time first shake hands response when, the first equipment is just with
Two equipment have been successfully established exchange channels, and the first equipment determines itself to be main equipment.
In S204, when the first equipment do not received in the first preset time first shake hands response when, just it is considered that the
What two equipment did not received the transmission of the first equipment first shakes hands instruction, and the second equipment does not support the default video standard of the first equipment.
Now, the first equipment just determines that itself can not be used as main equipment, switchs to receive that the second equipment is sent second shakes hands instruction.For
For second equipment, it just starts timing when receiving triggering command, is sent out when receiving the first equipment in the 3rd preset time
First sent shake hands instruction when, the second equipment just returns to first to the first equipment and shaken hands response.When in the 3rd preset time not
Receive the first of the transmission of the first equipment shake hands instruction when, the second equipment determines that the first equipment can not be used as main equipment, then to the
One equipment sends second and shaken hands instruction, second shake hands instruction video formats for the second equipment default video standard.
In S205, the first equipment received in the second preset time second shake hands instruction when, illustrate that the first equipment can
The default video standard of the second equipment is supported, now, the first equipment determines itself to be slave unit, and returns to second to the second equipment
Shake hands response, the second video formats for shaking hands response are the default video standard of the second equipment.Second video is when the 4th is default
In receive second shake hands response when, just determine itself to be main equipment.
Optionally, it is successfully established the probability of exchange channels to improve so that the default video standard of the first equipment and
The default video standard of two equipment at least one can be supported that default video standard is the equipment in the embodiment of the present invention by other side
The most original standard that can be supported.Specifically, the equipment video formats that it is supported during continuous renewal have one
Fixed continuous rule.For example, the first equipment after repeatedly renewal, the video formats supported are A, B, C, D, E, F,
Rule incremented by successively is presented in six kinds of G, its resolution ratio, and now, A is the default video standard of the first equipment.For the time of making the product
Than the second equipment of the first equipment a little later, its video formats supported may be five kinds of D, E, F, G, H, and now, D sets for second
Standby default video standard.In this case, the second equipment can not receive first and shake hands instruction, but the first equipment can connect
Second is received to shake hands instruction.
Optionally, the embodiment of the present invention also provide another first equipment confirm itself whether be main equipment method.
First equipment is default master, and the second equipment is acquiescence slave unit.First equipment is regarded after triggering command is received with acquiescence
Frequency standard sends instruction of shaking hands to the second equipment, and default video standard now is the first equipment most original standard, as above example A.
Do not received in preset time when shaking hands response, renewal acquiescence standard be next video formats, as above example B, continues to regard with acquiescence
Frequency standard sends instruction of shaking hands to the second equipment.First equipment repeats said process, until receiving the response of shaking hands of the second equipment
Or untill having traveled through all video formats.In above process, triggering command need to only be received by the first equipment, although building
The process of vertical exchange channels is time-consuming to be increased, but can improve the success rate for establishing exchange channels to the full extent.Closer to
One step, triggering command can be the upper electricity instruction of the first equipment, i.e. upper electricity is just sent the first equipment to the second equipment at the beginning
Shake hands instruction, overhead can be reduced.
In summary, the embodiment of the present invention provides a kind of video transmission method, including：First equipment is it is determined that based on itself
After equipment, the first synchronic command is sent to the second equipment；First synchronic command is used to indicate that the second equipment is returned to the first equipment
Return the video formats list of the second equipment；First equipment obtains the video formats list of the first equipment；First equipment is according to first
The video formats list of equipment and the video formats list of the second equipment determine synchronous standard；Synchronous standard is present in first simultaneously
In the video formats list of equipment and the video formats list of the second equipment；First equipment sends the first configuration to the second equipment and referred to
Order；First configuration-direct includes synchronous standard；First configuration-direct is used to indicate that the second device configuration is corresponding for synchronous standard
Mode of operation；First device configuration is mode of operation corresponding to synchronous standard.First equipment and the second device configuration are identical
Synchronous standard after, can be to carry out transmission of video, one of them is video transmission end, and another is video receiver.
In the embodiment of the present invention, video receiver whether the first equipment, or the second equipment, it need not all configure video transmission end
All video formats, because the first equipment can be by obtaining the video formats list of the first equipment and the second equipment simultaneously
Therefrom determination belongs to the synchronous standard of the video formats list of two equipment, so that, video receiver is only required to
At least one of all video formats of compatible video transmitting terminal.Therefore, the embodiment of the present invention can reduce video reception
The cost at end.
Based on identical technical concept, the embodiment of the present invention also provides a kind of video transmission equipment, the video transmission equipment
Applied to the first equipment in any of the above-described embodiment, the video transmission method disclosed in any of the above-described embodiment can be realized.
Fig. 3 is a kind of video transmission equipment structural representation provided in an embodiment of the present invention, as shown in figure 3, video transmission equipment 300 wraps
Transmit-Receive Unit 301 and processing unit 302 are included, wherein：
Processing unit 302, for after it is determined that the first equipment is main equipment, sending and first synchronously referring to the second equipment
Order；First synchronic command is used for the video formats list for indicating that the second equipment returns to the second equipment；
Processing unit 302, it is additionally operable to obtain the video formats list of the first equipment；
Processing unit 302, be additionally operable to according to the video formats list of the first equipment and received by Transmit-Receive Unit 301
The video formats list of two equipment determines synchronous standard；Synchronous standard is present in the video formats list and the of the first equipment simultaneously
In the video formats list of two equipment；
Processing unit 302, it is additionally operable to control Transmit-Receive Unit 301 to send the first configuration-direct to the second equipment；First configuration
Instruction includes synchronous standard；First configuration-direct is used to indicate that the second device configuration is mode of operation corresponding to synchronous standard；
Processing unit 302, it is mode of operation corresponding to synchronous standard to be additionally operable to the first device configuration.
Optionally, processing unit 302, be additionally operable to it is determined that the first equipment be slave unit after, control Transmit-Receive Unit 301 connect
Receive the second synchronic command of the second equipment transmission；
Processing unit 302, the video formats for being additionally operable to control Transmit-Receive Unit 301 to return to the first equipment to the second equipment arrange
Table；
Transmit-Receive Unit 301, it is additionally operable to receive the second configuration-direct that the second equipment is sent；Second configuration-direct is included together
Walk standard；Synchronous standard is that the second equipment is true according to the video formats list of the first equipment and the video formats list of the second equipment
Fixed；
First device configuration is mode of operation corresponding to synchronous standard.
Optionally, the first synchronic command, the first configuration-direct, the second synchronic command, the second configuration-direct, first equipment
Video formats list and the video formats list of the second equipment are sent in the form of vision signal.
Optionally, Transmit-Receive Unit 301, it is additionally operable to receive triggering command；Triggering command is used to trigger the first equipment and second
Equipment；
Processing unit 302, is specifically used for：
Control Transmit-Receive Unit 301 sends first to the second equipment with default video standard and shaken hands instruction；First shakes hands instruction
For indicating the second equipment first is returned to the first equipment after instruction shake hands response receiving first and shake hands；
In the first preset time after receiving triggering command Transmit-Receive Unit 301 receive first shake hands response when, processing
Unit 302 determines that the first equipment is main equipment；
Do not received in the first preset time after Transmit-Receive Unit 301 receives triggering command first shake hands response when, place
Reason unit 302 controls Transmit-Receive Unit 301 to switch to receive, and the second equipment is sent second shakes hands instruction；
In the second preset time Transmit-Receive Unit 301 receive second shake hands instruction when, processing unit 302 determine the first equipment
For slave unit, and control Transmit-Receive Unit 301 to return to second to the second equipment and shake hands response.
Optionally, processing unit 302 is specifically used for：
Obtain the common factor of the video formats list of the first equipment and the video formats list of the second equipment；
Synchronous standard is obtained from common factor according to preset rules.
Based on identical technical concept, the embodiment of the present invention also provides a kind of computing device, and the computing device specifically can be with
It is video camera, DVR etc..Fig. 4 is a kind of computing device structural representation provided in an embodiment of the present invention, as shown in figure 4, equipment
400 include processor 401, transceiver 402, memory 403, wherein, when memory 403 can be used for storage device 400 and dispatch from the factory
Program/code of prepackage, code when being performed for processor 401 etc. can also be stored.
In the embodiment of the present application, transceiver 402 can be wireline transceiver, wireless transceiver or its combination.Wired transmitting-receiving
Device for example can be Ethernet interface.Ethernet interface can be optical interface, electrical interface or its combination.Wireless transceiver for example may be used
Think wireless lan transceiver, cellular network transceiver or its combination.Processor 401 can be central processing unit (English：
Central processing unit, abbreviation：CPU), network processing unit (English：Network processor, abbreviation：NP)
Or CPU and NP combination.Processor 401 can further include hardware chip.Above-mentioned hardware chip can be special collection
Into circuit (English：Application-specific integrated circuit, abbreviation：ASIC), PLD
(English：Programmable logic device, abbreviation：PLD) or it is combined.Above-mentioned PLD can be complex programmable logic
Device (English：Complex programmable logic device, abbreviation：CPLD), field programmable gate array
(English：Field-programmable gate array, abbreviation：FPGA), GAL (English：generic
Array logic, abbreviation：GAL) or it is combined.Memory 403 can include volatile memory (English：volatile
Memory), such as random access memory is (English：Random-access memory, abbreviation：RAM)；Memory 403 also may be used
With including nonvolatile memory (English：Non-volatile memory), such as read-only storage (English：read-only
Memory, abbreviation：ROM), flash memory (English：Flash memory), hard disk (English：Hard disk drive, contracting
Write：HDD) or solid state hard disc is (English：Solid-state drive, abbreviation：SSD)；Memory 403 can also include above-mentioned kind
The combination of the memory of class.
Wherein, EBI can also be included in Fig. 4, EBI can include any number of bus and bridge, specifically
The various circuits for the memory that the one or more processors and memory represented by processor represent link together.Bus connects
Mouth can also link together various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like, this
A little is all it is known in the art, therefore, no longer it is described further herein.EBI provides interface.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
- A kind of 1. video transmission method, it is characterised in that including：First equipment it is determined that itself be main equipment after, to the second equipment send the first synchronic command；Described first synchronously refers to Make the video formats list for indicating second equipment to first equipment return, second equipment；First equipment obtains the video formats list of first equipment；First equipment is true according to the video formats list of first equipment and the video formats list of second equipment Fixed synchronous standard；The synchronous standard is present in the video formats list of first equipment and regarding for second equipment simultaneously In frequency standard list；First equipment sends the first configuration-direct to second equipment；First configuration-direct includes the synchronization Standard；First configuration-direct is used to indicate that second device configuration is mode of operation corresponding to the synchronous standard；First device configuration is mode of operation corresponding to the synchronous standard.
- 2. the method as described in claim 1, it is characterised in that also include：First equipment is it is determined that itself be the second synchronic command of reception the second equipment transmission after slave unit；First equipment returns to the video formats list of first equipment to second equipment；First equipment receives the second configuration-direct that second equipment is sent；Second configuration-direct includes described Synchronous standard；The synchronous standard is that second equipment is set according to the video formats list of first equipment and described second What standby video formats list determined；First device configuration is mode of operation corresponding to the synchronous standard.
- 3. method as claimed in claim 2, it is characterised in that first synchronic command, first configuration-direct, described Second synchronic command, second configuration-direct, the video of the video formats list of first equipment and second equipment Standard list is sent in the form of vision signal.
- 4. method as claimed in claim 3, it is characterised in that first equipment is confirmed in the following manner based on itself Equipment or slave unit, including：First equipment receives triggering command；The triggering command is used to trigger first equipment and the second equipment；First equipment sends first to second equipment with default video standard and shaken hands instruction；Described first shakes hands instruction For indicating second equipment first is returned to first equipment after instruction shake hands response receiving described first and shake hands；First equipment received in the first preset time after receiving the triggering command described first shake hands response when, Determine itself to be main equipment；First equipment does not receive described first in the first preset time after receiving the triggering command and shaken hands response When, first equipment switchs to receive second that second equipment is sent and shaken hands instruction；First equipment received in the second preset time described second shake hands instruction when, determine itself to be slave unit, and to Second equipment returns to second and shaken hands response.
- 5. the method as described in claim 1, it is characterised in that first equipment is according to the video formats of first equipment List and the video formats list of second equipment determine synchronous standard, including：First equipment obtains the video formats list of first equipment and the video formats list of second equipment Occur simultaneously；The synchronous standard is obtained from the common factor according to preset rules.
- A kind of 6. video transmission equipment, it is characterised in that applied to the first equipment, including：Processing unit, for it is determined that the first equipment be main equipment after, to the second equipment send the first synchronic command；Described One synchronic command is used for the video formats list for indicating that second equipment returns to second equipment；The processing unit, it is additionally operable to obtain the video formats list of first equipment；The processing unit, it is additionally operable to according to the video formats list of first equipment and described in by Transmit-Receive Unit reception The video formats list of second equipment determines synchronous standard；The synchronous standard is present in the video system of first equipment simultaneously In formula list and the video formats list of second equipment；The processing unit, it is additionally operable to control the Transmit-Receive Unit to send the first configuration-direct to second equipment；Described One configuration-direct includes the synchronous standard；First configuration-direct is used to indicate that second device configuration is described same Walk mode of operation corresponding to standard；The processing unit, it is mode of operation corresponding to the synchronous standard to be additionally operable to first device configuration.
- 7. equipment as claimed in claim 6, it is characterised in thatThe processing unit, it is additionally operable to after it is determined that first equipment is slave unit, controls the Transmit-Receive Unit to receive institute State the second synchronic command of the second equipment transmission；The processing unit, it is additionally operable to the video system for controlling the Transmit-Receive Unit to return to first equipment to second equipment Formula list；The Transmit-Receive Unit, it is additionally operable to receive the second configuration-direct that second equipment is sent；In second configuration-direct Including the synchronous standard；The synchronous standard is video formats list and institute of second equipment according to first equipment State the video formats list determination of the second equipment；First device configuration is mode of operation corresponding to the synchronous standard.
- 8. equipment as claimed in claim 7, it is characterised in that first synchronic command, first configuration-direct, described Second synchronic command, second configuration-direct, the video of the video formats list of first equipment and second equipment Standard list is sent in the form of vision signal.
- 9. equipment as claimed in claim 8, it is characterised in thatThe Transmit-Receive Unit, it is additionally operable to receive triggering command；The triggering command is set for triggering first equipment and second It is standby；The processing unit, is specifically used for：Control the Transmit-Receive Unit to send first to second equipment with default video standard to shake hands instruction；Described first shakes hands Instruct and first shaken hands for indicating second equipment receiving described first and shake hands to return to first equipment after instruction Response；In the first preset time after receiving the triggering command Transmit-Receive Unit receive described first shake hands response when, The processing unit determines that first equipment is main equipment；Described first is not received in the first preset time after the Transmit-Receive Unit receives the triggering command to shake hands response When, the processing unit control the Transmit-Receive Unit to switch to receive second equipment is sent second shakes hands instruction；In the second preset time the Transmit-Receive Unit receive described second shake hands instruction when, the processing unit determines described the One equipment is slave unit, and controls the Transmit-Receive Unit to return to second to second equipment and shake hands response.
- 10. equipment as claimed in claim 6, it is characterised in that the processing unit is specifically used for：Obtain the common factor of the video formats list of first equipment and the video formats list of second equipment；The synchronous standard is obtained from the common factor according to preset rules.
- A kind of 11. readable storage medium storing program for executing, it is characterised in that the readable storage medium storing program for executing is stored with computing device executable instruction, The computing device executable instruction is used to pass the video any one of the computing device claim 1 to 5 Transmission method.
- A kind of 12. computing device, it is characterised in that including：Memory, instructed for storage program；Processor, for calling the programmed instruction stored in the memory, according to acquisition program perform as claim 1 to Video transmission method any one of 5.
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| CN201711104024.1A CN107896314B (en) | 2017-11-10 | 2017-11-10 | Video transmission method and device |
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| CN201711104024.1A CN107896314B (en) | 2017-11-10 | 2017-11-10 | Video transmission method and device |
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Effective date of registration: 20200924 Address after: Room 1201, building a, 1181 Bin'an Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xinsheng Electronic Technology Co., Ltd Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 1187 Patentee before: ZHEJIANG DAHUA TECHNOLOGY Co.,Ltd. |