CN105592106A - Video monitoring control method and device - Google Patents
Video monitoring control method and device Download PDFInfo
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- CN105592106A CN105592106A CN201610111602.3A CN201610111602A CN105592106A CN 105592106 A CN105592106 A CN 105592106A CN 201610111602 A CN201610111602 A CN 201610111602A CN 105592106 A CN105592106 A CN 105592106A
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- monitoring camera
- camera equipment
- video
- monitoring
- rtcp message
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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]
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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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
One embodiment of the invention provides a video monitoring control method and device and relates to the technical field of communication, solving the problems of long transmission path of control commands and delay of a control center's control on a monitoring and image pick-up device The method comprises following steps: a terminal sends video RTCP messages to the monitoring and image pick-up device, wherein the video RTCP messages carry control commands of the monitoring and image pick-up device; after the monitoring and image pick-up device receives the video RTCP messages, the video RTCP messages are analyzed to obtain the control commands of the monitoring and image pick-up device; and on the basis of the control commands, the monitoring and image pick-up device is controlled.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of video monitoring control method and dressPut.
Background technology
Along with the fast development of the communication technology, the application of video monitoring is more and more extensive, such as,Monitoring camera is installed in the places such as road, hospital, supermarket, community or private building, and this monitoring is taken the photographPicture head can carry out video image acquisition to these places, and gathered video image is sent toSurveillance center, Surveillance center can also control this monitoring camera simultaneously, for example, adjust and take the photographThe direction of picture head, the definition of collection image etc., to realize the real-time monitoring to these places.
At present, in the time that Surveillance center controls monitoring camera, normally pass through conversation initialThe message of agreement SIP signaling sends, and Surveillance center refers to the control to monitoring cameraOrder is placed in the message of SIP signaling, and by SIP signalling path and IP multimedia system IMSThe message of the SIP signaling with control instruction is sent to monitoring camera by core network, afterwards,Monitoring camera parses after control instruction from the message of SIP signaling based on Session Initiation Protocol stack, baseOperate accordingly in control instruction.
But, will the control instruction of monitoring camera be placed in the message of SIP signaling, and warpWhen crossing SIP signalling path and IMS core network and sending, this control instruction is in transmitting procedureThe transmission path of process is longer, thereby it is certain that Surveillance center is existed the control of monitoring cameraDelay.
Summary of the invention
Embodiments of the invention provide a kind of video monitoring control method and device, have solved existing skillIn art, control instruction transmission path is long, and Surveillance center postpones the control existence of monitoring camera equipmentProblem.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, provides a kind of video monitoring control method, is applied to terminal, and described method comprises:
Described terminal sends video RTCP message, described video RTCP message to monitoring camera equipmentCarry the control instruction of described monitoring camera equipment.
Wherein, the control that RTCP Real-time Transport Control Protocol RTCP works together with realtime transmission protocol RTP beingAgreement processed, RTCP periodically transmits control message to all participants in session, uses and countsAccording to the identical distribution mechanisms of message, underlying protocol must and be controlled message to data message multichannel skill is providedArt, such as, UDP UDP uses different port numbers.
In addition, this video RTCP message comprises header and data block, header mainly comprise version V,Fill P, receive report blocks number RC, length L, loadtype PT, synchronisation source mark SSRC,The number of data block can be one or more.
Moreover this monitoring camera equipment can comprise the parts such as The Cloud Terrace, protective cover or microphone, cloudPlatform is the parts that carrying monitoring camera equipment carries out horizontal and vertical directions rotation, and protective cover is used forProtection monitoring camera equipment, microphone is used for carrying out speech talkback between terminal. Accordingly, this controlInstruction processed can be for preserving The Cloud Terrace position, control The Cloud Terrace clockwise or rotating counterclockwise i degree, controlThe Cloud Terrace is clockwise continuous or rotate counterclockwise, stop cloud platform rotation, control The Cloud Terrace moves horizontally, controlsThe Cloud Terrace vertically moves, The Cloud Terrace playback and two-way intercommunication etc., and wherein, the scope of i can be 0-360Degree.
In conjunction with first aspect, in the possible implementation of the first of first aspect, described videoRTCP message comprises PT byte, in the time that the value of described PT byte meets default value scope, forThe control instruction of indicating described video RTCP message to carry described monitoring camera equipment.
Wherein, video RTCP message comprises that loadtype PT also can be described as PT byte, due to PTByte is 8 bit bit, and therefore, the number range that this PT byte can represent is 0-255,In the embodiment of the present invention, in the time that the value of this PT byte meets default value scope, be used to indicate this and lookFrequently the control instruction that RTCP message is carried monitoring camera equipment.
In conjunction with the possible implementation of the first of first aspect, possible at the second of first aspectIn implementation, described default value scope is the integer between 205 to 255.
In conjunction with first aspect, in the third possible implementation of first aspect, described videoThe data format of the described control instruction that RTCP message is carried is JSON form.
When this video RTCP message is carried the control instruction of monitoring camera equipment, this control instruction is carriedIn the data block portions of this video RTCP message, that is to say the interior receiving part of this video RTCP messagePoint, and the data format of this control instruction can be JSON form.
In conjunction with first aspect to the possible implementation of the first of first aspect, in of first aspectIn four kinds of possible implementations, described terminal sends video RTCP message to monitoring camera equipment,Comprise:
In the time that described terminal is directly connected with described monitoring camera equipment, described terminal is passed through user dataReport agreement UDP passage sends video RTCP message to described monitoring camera equipment;
When described terminal is not directly connected time and described terminal and described prison with described monitoring camera equipmentWhen control picture pick-up device connects by Session Border Controller SBC, described terminal will by UDP passageDescribed video RTCP message sends to SBC, so that described SBC is by described video RTCP messageBe sent to described monitoring camera equipment.
Such as, in point-to-point video view procedure, this terminal can be by Client-initiated monitoring cameraThe control instruction of equipment is carried in RTCP message, by set up UDP passage to monitoring cameraEquipment sends video RTCP message; In video view procedure, when terminal and monitoring camera equipmentBetween because the network element restriction etc. in network is can not directly connect time, this terminal can be initiated userThe control instruction of monitoring camera equipment be carried in RTCP message, by the UDP passage of setting upThis video RTCP message is sent to SBC, so that video RTCP message is sent to prison by SBCControl picture pick-up device.
Second aspect, provides a kind of video monitoring control method, is applied to monitoring camera equipment, described inMethod comprises:
Monitoring camera equipment receiver, video RTCP message, described video RTCP message is carried monitoring and is taken the photographThe control instruction of picture equipment;
Described monitoring camera equipment is resolved described video RTCP message, obtains described monitoring and takes the photographThe control instruction of picture equipment;
Described monitoring camera equipment, based on described control instruction, is controlled described monitoring camera equipmentSystem.
In conjunction with second aspect, in the possible implementation of the first of second aspect, described monitoring is taken the photographAs equipment, described video RTCP message is resolved, the control that obtains described monitoring camera equipment refers toOrder, comprising:
Whether the value that detects the PT byte that described video RTCP message comprises meets default value scope;
In the time that the value of described PT byte meets default value scope, described monitoring camera equipment is to describedVideo RTCP message is resolved, and obtains the control instruction of described monitoring camera equipment.
In conjunction with second aspect, in the possible implementation of the second of second aspect, described present countValue scope is the integer between 205 to 255.
In conjunction with second aspect to any in the possible implementation of the second of second aspect,In the third possible implementation of two aspects, described monitoring camera equipment receiver, video RTCP disappearsBreath, comprising:
In the time that terminal is directly connected with described monitoring camera equipment, described monitoring camera equipment passes through userDatagram protocol UDP passage receives described video RTCP message;
When described terminal is not directly connected time and described terminal and described prison with described monitoring camera equipmentWhen control picture pick-up device connects by Session Border Controller SBC, described monitoring camera equipment passes through SBCReceive described video RTCP message.
The third aspect, provides a kind of video monitoring control device, and described device comprises:
Transmitting element, for sending video RTCP message, described video RTCP to monitoring camera equipmentMessage is carried the control instruction of described monitoring camera equipment.
In conjunction with the third aspect, in the possible implementation of the first of the third aspect, described videoRTCP message comprises PT byte, in the time that the value of described PT byte meets default value scope, forThe control instruction of indicating described video RTCP message to carry described monitoring camera equipment.
In conjunction with the possible implementation of the first of the third aspect, possible at the second of the third aspectIn implementation, described default value scope is the integer between 205 to 255.
In conjunction with the third aspect, in the third possible implementation of the third aspect, described videoThe data format of the described control instruction that RTCP message is carried is JSON form.
In conjunction with the third aspect to the possible implementation of the first of the third aspect, in of the third aspectIn four kinds of possible implementations, described transmitting element specifically for:
In the time that described video monitoring control device is directly connected with described monitoring camera equipment, pass through userDatagram protocol UDP passage sends video RTCP message to described monitoring camera equipment;
In the time that described video monitoring control device is not directly connected with described monitoring camera equipment, and described inWhen video monitoring control device is connected by Session Border Controller SBC with described monitoring camera equipment,By UDP passage, described video RTCP message is sent to SBC, so that described in described SBC generalVideo RTCP message is sent to described monitoring camera equipment.
Fourth aspect, provides a kind of monitoring camera equipment, and described monitoring camera equipment comprises:
Receiving element, for receiver, video RTCP message, described video RTCP message is carried monitoringThe control instruction of picture pick-up device;
Resolution unit, for described video RTCP message is resolved, obtains described monitoring cameraThe control instruction of equipment;
Control module, for based on described control instruction, controls described monitoring camera equipment.
In conjunction with fourth aspect, in the possible implementation of the first of fourth aspect, described parsing is singleUnit specifically for:
Whether the value that detects the PT byte that described video RTCP message comprises meets default value scope;
In the time that the value of described PT byte meets default value scope, described monitoring camera equipment is to describedVideo RTCP message is resolved, and obtains the control instruction of described monitoring camera equipment.
In conjunction with fourth aspect, in the possible implementation of the second of fourth aspect, described present countValue scope is the integer between 205 to 255.
In conjunction with fourth aspect to any in the possible implementation of the second of fourth aspect,In the third possible implementation of four aspects, described receiving element have for:
In the time that video monitoring control device is directly connected with described monitoring camera equipment, pass through user dataReport agreement UDP passage receives described video RTCP message;
In the time that described video monitoring control device is not directly connected with described monitoring camera equipment, and described inWhen video monitoring control device is connected by Session Border Controller SBC with described monitoring camera equipment,Receive described video RTCP message by SBC.
The 5th aspect, provides a kind of video monitoring system, and described video monitoring system comprises the third aspectTo the video monitoring control dress described in any in the 4th kind of possible implementation of the third aspectPut, and fourth aspect is to described in any in the third possible implementation of fourth aspectMonitoring camera equipment.
The video frequency monitoring method that embodiments of the invention provide and device, terminal or video monitoring control dressPut by send video RTCP message to monitoring camera equipment, this video RTCP message is carried monitoringThe control instruction of picture pick-up device, monitoring camera equipment receives this video RTCP message, and to this videoRTCP message is resolved, and obtains the control instruction of monitoring camera equipment, afterwards, and based on this controlInstruction, controls monitoring camera equipment, thereby can shorten the transmission path of control instruction, subtractsLittle terminal or the control lag of video monitoring control device to monitoring camera equipment.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below will be to embodiment orIn description of the Prior Art, the accompanying drawing of required use is briefly described, apparently, belowAccompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain other according to these accompanying drawingsAccompanying drawing.
The system architecture diagram of a kind of monitoring system that Fig. 1 provides for the embodiment of the present invention;
The flow chart of a kind of video monitoring control method that Fig. 2 provides for the embodiment of the present invention;
The form schematic diagram of a kind of video RTCP message that Fig. 3 provides for the embodiment of the present invention;
The transmission schematic diagram of a kind of video RTCP message that Fig. 4 provides for the embodiment of the present invention;
The transmission schematic diagram of the another kind of video RTCP message that Fig. 5 provides for the embodiment of the present invention;
The transmission schematic diagram that Fig. 6 is a kind of SIP signaling message of providing in prior art;
The structural representation of a kind of video monitoring control device that Fig. 7 provides for the embodiment of the present invention;
The structural representation of a kind of monitoring camera equipment that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present inventionBe clearly and completely described, obviously, described embodiment is only that the present invention's part is realExecute example, instead of whole embodiment. Based on the embodiment in the present invention, ordinary skillPersonnel are not making the every other embodiment obtaining under creative work prerequisite, all belong to thisThe scope of invention protection.
The system architecture of the applied monitoring system of embodiments of the invention as shown in Figure 1, this system frameStructure by camera part 101, hop 102, control section 103, show recording section 104 totally fourMost of composition.
Wherein, camera part 101 is forward position parts of monitoring system, is " eyes " of whole system,It is arranged on a certain position that is monitored place, makes its angle of visual field can cover whole each being monitoredPosition. Optionally, this camera part 101 can be video camera, and on this video camera, can install additional can be distantThe zoom lens of control, the distance that video camera can be observed is farther, clearer; Certainly, also canSo that video camera is arranged on electric platform, by the control of monitoring control appliance, can make The Cloud Terrace bandMoving video camera carries out the rotation of horizontal and vertical direction, thus angle, area that the function that makes to make a video recording coversLarger. Meanwhile, this camera part 101 can also comprise acoustic component etc., such as microphone, passes throughMicrophone can communicate with the control section of monitoring system. In a word, camera part 101 can beThe content that it monitors becomes picture signal, sends the control appliance of monitoring system to.
Hop 102 is paths of the picture signal of monitoring system, and this hop 102 canFor image signal transmission, can also transmit voice signal, meanwhile, this hop 102 also canSurveillance center for transmission monitor system carries out video camera, camera lens, The Cloud Terrace, protective cover etc.The control signal of controlling. In transmission means, hop 102 can adopt cable, optical fiber orThe various ways such as microwave transmit.
Control section 103 is whole monitoring system " heart " and " brain ", be realize wholeThe command centre of systemic-function, control section 103 is mainly made up of supervisory control desk, in supervisory control deskMain function has: the calibration of vision signal amplification and distribution, picture signal and compensation, image letterNumber switching, record, video camera and the accessory thereof of picture signal (or comprising voice signal)The control (remote control) of (as camera lens, The Cloud Terrace, protective cover etc.) etc. Controlling in function controlThe number of units of video camera processed and form can combine as requested. In addition, on supervisory control desk, go backCan be provided with the character generator of time and address, by this device can year, month, day,Time, minute, second all shows, and the address, the title that are monitored place show into afterThe convenience that provides for future reference.
Show that recording section 104 can be made up of one or many monitors, its function be byThe image sending shows one by one. In video monitoring system, particularly taking the photograph by manyIn the monitoring system of camera composition, not generally that the corresponding video camera of a monitor showsShow, but the picture signal of several video cameras is switched demonstration in turn with a monitor, like this canSaving equipment, reduces taking of space. Optionally, monitor can adopt video input terminalGeneral television set, and needn't adopt the dedicated monitor that cost is higher.
Wherein, control section 103 and demonstration recording section 104 can separately be arranged on different establishingStandby upper, also can be co-located on an equipment, such as, when this control section 103 be such asWhen the terminal such as mobile phone, panel computer, this demonstration recording section 104 can be mobile phone, panel computerEtc. the display screen of terminal.
The flow chart of a kind of video monitoring control method that Fig. 2 provides for the embodiment of the present invention, referring toFig. 2, the method comprises:
Step 201: terminal sends video RTCP message, this video RTCP to monitoring camera equipmentMessage is carried the control instruction of monitoring camera equipment.
Wherein, RTCP Real-time Transport Control Protocol (English: Real-timeControlProtocol, be called for short:RTCP) (English: Real-timeTransportProtocol is called for short: RTP) with RTPBe the control protocol of working together, RTCP periodically transmits control to all participants in sessionMessage, uses the distribution mechanisms identical with data message, and underlying protocol must be to data message and controlMessage provides frequency multiplexing technique, such as, UDP UDP uses different port numbers.
As shown in Figure 3, this video RTCP message comprises header and data block, and header mainly comprises versionThis V, filling P, reception report blocks number RC, length L, loadtype PT, synchronisation source markSSRC, the number of data block can be one or more, the numeral 0,7,15,23 and 31 in figureRepresent the sequence number of bit.
Wherein, video RTCP message comprises that loadtype PT also can be described as PT byte, due to PTByte is 8 bit bit, and therefore, the number range that this PT byte can represent is 0-255,In the embodiment of the present invention, in the time that the value of this PT byte meets default value scope, be used to indicate this and lookFrequently the control instruction that RTCP message is carried monitoring camera equipment, this default value scope is 205 to 255Between integer, and comprise 205 and 255.
In addition, when this video RTCP message is carried the control instruction of monitoring camera equipment, this control refers toOrder is carried at the data block portions of this video RTCP message, that is to say, this video RTCP messageContent part, and the data format of this control instruction can be JSON form (English: JavaScriptObjectNotation, Chinese: javas scripting object representation).
Moreover this monitoring camera equipment can comprise the parts such as The Cloud Terrace, protective cover or microphone, cloudPlatform is the parts that carrying monitoring camera equipment carries out horizontal and vertical directions rotation, and protective cover is used forProtection monitoring camera equipment, microphone is used for carrying out speech talkback between terminal. Accordingly, this controlInstruction processed can be for preserving The Cloud Terrace position, control The Cloud Terrace clockwise or rotating counterclockwise i degree, controlThe Cloud Terrace is clockwise continuous or rotate counterclockwise, stop cloud platform rotation, control The Cloud Terrace moves horizontally, controlsThe Cloud Terrace vertically moves, The Cloud Terrace playback and two-way intercommunication etc., and wherein, the scope of i can be 0-360Degree, certainly, in actual applications, this control instruction can also other control instruction, and the present invention is realExecuting example is not construed as limiting this.
Concrete, in the time that this terminal sends video RTCP message to monitoring camera equipment, can basisBetween this terminal and this monitoring camera equipment, whether directly connect and be divided into two kinds of different sides by networkMethod, concrete grammar is as described below.
The first, as shown in Figure 4, in the time that this terminal is directly connected with monitoring camera equipment, this terminalCan directly send video RTCP by UDP UDP passage to monitoring camera equipmentMessage.
Wherein, the CSCF CSCF (English: CallSessionControl in figureFunction) be that the inner function of IP Multimedia System IMS (IPMultimediaSubsystem) is realBody, is whole IMS server, and Session Border Controller SBC is a kind of encoder, can beIn compression process, on-the-fly modify a lot of inner parameters, for user provides better quality and more codingControl.
In addition, rtcp protocol form is to be carried on udp protocol (English: UserDatagramProtocol) stylistic, udp protocol is a kind of nothing in open system interconnection OSI Reference ModelThe transport layer protocol connecting, provides the simple unreliable information transfer service towards affairs, and UDPAgreement use side slogan is that different application retains its data transmission channel separately, i.e. UDP passage.
Concrete, this terminal is directly connected with monitoring camera equipment, refers to work as terminal and monitoring camera is establishedIt is standby that in consolidated network lower time, this terminal and monitoring camera equipment are all assigned IP address separately,Terminal can be surveyed the IP address of monitoring camera equipment by the IP address of self, or prisonControl picture pick-up device is surveyed the IP address of terminal by the IP address of self, if this terminal canTo survey the IP address of logical monitoring camera equipment, or monitoring camera equipment can be surveyed logical this terminalIP address, determine that this terminal is directly connected with monitoring camera equipment, otherwise, definite terminalCan not directly be connected with monitoring camera equipment, directly not connect.
Such as, in point-to-point video view procedure, this terminal can be by Client-initiated monitoring cameraThe control instruction of equipment is carried in RTCP message, by set up UDP passage to monitoring cameraEquipment sends video RTCP message.
The second, as shown in Figure 5, in the time that this terminal is not directly connected with monitoring camera equipment, and eventuallyWhen end is connected by Session Border Controller SBC with monitoring camera equipment, this terminal is led to by UDPThis video RTCP message is sent to SBC by road, so that SBC is sent to video RTCP messageMonitoring camera equipment.
Such as, in video view procedure, when between terminal and monitoring camera equipment because network inNetwork element restriction etc. can not directly connect time, this terminal can be by Client-initiated monitoring camera equipmentControl instruction be carried in RTCP message, by set up UDP passage by this video RTCPMessage sends to SBC, so that video RTCP message is sent to monitoring camera equipment by SBC.
As shown in Figure 6, in prior art in the time that terminal is controlled monitoring camera equipment, eventuallyEnd is to carry out the transmission of control instruction by the message of session initiation protocol SIP signaling, and terminal willThe control instruction of monitoring camera equipment is placed in the message of SIP signaling, and by SIP signalingPassage and IP multimedia system IMS core network are by the message of the SIP signaling with control instructionSend to monitoring camera equipment, therefore, terminal is carried control instruction by video RTCP message,And video RTCP message is sent to monitoring camera equipment, shorten the transmission path of control instruction,And then reduce the control lag of terminal to monitoring camera equipment.
Step 202: the video RTCP message that monitoring camera equipment receiving terminal sends, this videoRTCP message is carried the control instruction of monitoring camera equipment.
Concrete, the method for this monitoring camera equipment receiver, video RTCP message can comprise:
In the time that terminal is directly connected with monitoring camera equipment, this monitoring camera equipment can directly pass throughUDP passage receiver, video RTCP message;
In the time that terminal is not directly connected with this monitoring camera equipment, and this terminal and this monitoring camera equipmentWhile connection by Session Border Controller SBC, this monitoring camera equipment is by SBC receiver, videoRTCP message.
Step 203: monitoring camera equipment is resolved this video RTCP message, obtains this monitoringThe control instruction of picture pick-up device.
After this monitoring camera equipment receives this video RTCP message, this monitoring camera equipment canSo that this video RTCP message is resolved, obtain corresponding control instruction, specifically to this videoThe method that RTCP message is resolved can be: this this video of monitoring camera Equipment Inspection RTCP disappearsWhether the value of the PT byte that breath comprises meets default value scope; When the value of this PT byte meets defaultWhen number range, this monitoring camera equipment determines that this video RTCP message carries corresponding control instruction,Therefore, this monitoring camera equipment can, based on rtcp protocol stack, carry out this video RTCP messageResolve, thereby obtain the control instruction of this monitoring camera equipment.
Step 204: monitoring camera equipment, based on control instruction, is controlled monitoring camera equipment.
After monitoring camera equipment obtains corresponding control instruction, monitoring camera equipment can be based on thisControl instruction, controls monitoring camera equipment and carries out corresponding control instruction.
Such as, when this control instruction clockwise rotates 30 while spending, monitoring camera equipment for controlling The Cloud Terrace30 degree can turn clockwise this The Cloud Terrace.
The embodiment of the present invention provides a kind of video monitoring control method, and terminal is by establishing to monitoring cameraPreparation is sent video RTCP message, the control instruction that this video RTCP message is carried monitoring camera equipment,Monitoring camera equipment receives this video RTCP message, and this video RTCP message is resolved,Obtain the control instruction of monitoring camera equipment, afterwards, based on this control instruction, to monitoring camera equipmentControl, thereby can shorten the transmission path of control instruction, reduce terminal monitoring camera is establishedStandby control lag.
A kind of video monitoring control device that Fig. 7 provides for the embodiment of the present invention, as shown in Figure 4, instituteStating device comprises:
Transmitting element 301, for sending video RTCP message, described video to monitoring camera equipmentRTCP message is carried the control instruction of described monitoring camera equipment.
Optionally, described video RTCP message comprises PT byte, when the value of described PT byte meetsWhen default value scope, be used to indicate described video RTCP message and carry described monitoring camera equipmentControl instruction.
Optionally, described default value scope is the integer between 205 to 255.
The data format of the described control instruction that optionally, described video RTCP message is carried is JSONForm.
Optionally, described transmitting element 301 specifically for:
In the time that described video monitoring control device is directly connected with described monitoring camera equipment, pass through userDatagram protocol UDP passage sends video RTCP message to described monitoring camera equipment;
In the time that described video monitoring control device is not directly connected with described monitoring camera equipment, and described inWhen video monitoring control device is connected by Session Border Controller SBC with described monitoring camera equipment,By UDP passage, described video RTCP message is sent to SBC, so that described in described SBC generalVideo RTCP message is sent to described monitoring camera equipment.
A kind of video monitoring control device that embodiments of the invention provide, video monitoring control device is logicalCross to monitoring camera equipment and send video RTCP message, this video RTCP message is carried monitoring cameraThe control instruction of equipment, so that this monitoring camera equipment is receiving after this video RTCP message, to thisVideo RTCP message is resolved, and obtains the control instruction of monitoring camera equipment, and based on this controlInstruction, controls monitoring camera equipment, thereby can shorten the transmission path of control instruction, subtractsThe control lag of small video monitoring control device to monitoring camera equipment.
A kind of monitoring camera equipment that Fig. 8 provides for the embodiment of the present invention, referring to Fig. 5, this monitoring is taken the photographComprise as equipment:
Receiving element 401, for receiver, video RTCP message, described video RTCP message is carriedThe control instruction of monitoring camera equipment;
Resolution unit 402, for described video RTCP message is resolved, obtains described monitoringThe control instruction of picture pick-up device;
Control module 403, for based on described control instruction, controls described monitoring camera equipmentSystem.
Optionally, described resolution unit 402 specifically for:
Whether the value that detects the PT byte that described video RTCP message comprises meets default value scope;
In the time that the value of described PT byte meets default value scope, described monitoring camera equipment is to describedVideo RTCP message is resolved, and obtains the control instruction of described monitoring camera equipment.
Optionally, described default value scope is the integer between 205 to 255.
Optionally, described receiving element 401 have for:
In the time that video monitoring control device is directly connected with described monitoring camera equipment, pass through user dataReport agreement UDP passage receives described video RTCP message;
In the time that described video monitoring control device is not directly connected with described monitoring camera equipment, and described inWhen video monitoring control device is connected by Session Border Controller SBC with described monitoring camera equipment,Receive described video RTCP message by SBC.
The monitoring camera equipment that embodiments of the invention provide, monitors control device by receiver, video and sends outThe video RTCP message of sending, the control instruction that this video RTCP message is carried monitoring camera equipment,Afterwards, this monitoring camera equipment is resolved this video RTCP message, obtains monitoring camera equipmentControl instruction, and based on this control instruction, monitoring camera equipment is controlled, thereby can be contractedThe transmission path of short control instruction, reduces the control of video monitoring control device to monitoring camera equipmentPostpone.
The embodiment of the present invention provides a kind of video monitoring system, shown in described video monitoring system Fig. 7Video monitoring control device, and the monitoring camera equipment shown in Fig. 8.
The video monitoring system that embodiments of the invention provide, comprises video monitoring control device and monitoringPicture pick-up device, wherein video monitoring control device disappears by sending video RTCP to monitoring camera equipmentBreath, the control instruction that this video RTCP message is carried monitoring camera equipment, monitoring camera equipment receivesThis video RTCP message, and this video RTCP message is resolved, monitoring camera equipment obtainedControl instruction, afterwards, based on this control instruction, monitoring camera equipment is controlled, thus canTo shorten the transmission path of control instruction, reduce the control lag of terminal to monitoring camera equipment.
Finally it should be noted that: above embodiment is only in order to technical scheme of the present invention to be described, but notTo its restriction; Although the present invention is had been described in detail with reference to previous embodiment, this areaThose of ordinary skill is to be understood that: the technical scheme that it still can be recorded aforementioned each embodimentModify, or part technical characterictic is wherein equal to replacement; And these amendments or replaceChange, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical schemes spirit andScope.
Claims (19)
1. a video monitoring control method, is characterized in that, is applied to terminal, and described method comprises:
Described terminal sends video RTCP message to monitoring camera equipment, and described video RTCP message is takenWith the control instruction of described monitoring camera equipment.
2. method according to claim 1, is characterized in that, described video RTCP message bagDraw together PT byte, in the time that the value of described PT byte meets default value scope, be used to indicate described videoRTCP message is carried the control instruction of described monitoring camera equipment.
3. method according to claim 2, is characterized in that, described default value scope is 205To the integer between 255.
4. method according to claim 1, is characterized in that, described video RTCP message is takenThe data format of the described control instruction of band is JSON form.
5. according to the method described in claim 1-4 any one, it is characterized in that, described terminal is to prisonControl picture pick-up device sends video RTCP message, comprising:
In the time that described terminal is directly connected with described monitoring camera equipment, described terminal is passed through user datagramAgreement UDP passage sends video RTCP message to described monitoring camera equipment;
When described terminal is not directly connected time and described terminal and described monitoring with described monitoring camera equipmentWhen picture pick-up device connects by Session Border Controller SBC, described in described terminal is incited somebody to action by UDP passageVideo RTCP message sends to SBC, so that described SBC is sent to described video RTCP messageDescribed monitoring camera equipment.
6. a video monitoring control method, is characterized in that, is applied to monitoring camera equipment, described inMethod comprises:
Monitoring camera equipment receiver, video RTCP message, described video RTCP message is carried monitoring cameraThe control instruction of equipment;
Described monitoring camera equipment is resolved described video RTCP message, obtains described monitoring cameraThe control instruction of equipment;
Described monitoring camera equipment, based on described control instruction, is controlled described monitoring camera equipment.
7. method according to claim 6, is characterized in that, described monitoring camera equipment is to instituteState video RTCP message and resolve, obtain the control instruction of described monitoring camera equipment, comprising:
Whether the value that detects the PT byte that described video RTCP message comprises meets default value scope;
In the time that the value of described PT byte meets default value scope, described monitoring camera equipment is looked describedFrequently RTCP message is resolved, and obtains the control instruction of described monitoring camera equipment.
8. method according to claim 7, is characterized in that, described default value scope is 205To the integer between 255.
9. according to the method described in claim 6-8 any one, it is characterized in that described monitoring cameraEquipment receiver, video RTCP message, comprising:
In the time that terminal is directly connected with described monitoring camera equipment, described monitoring camera equipment passes through number of usersReceive described video RTCP message according to report agreement UDP passage;
When described terminal is not directly connected time and described terminal and described monitoring with described monitoring camera equipmentWhen picture pick-up device connects by Session Border Controller SBC, described monitoring camera equipment connects by SBCReceive described video RTCP message.
10. a video monitoring control device, is characterized in that, described device comprises:
Transmitting element, for sending video RTCP message, described video RTCP to monitoring camera equipmentMessage is carried the control instruction of described monitoring camera equipment.
11. devices according to claim 10, is characterized in that, described video RTCP messageComprise PT byte, in the time that the value of described PT byte meets default value scope, described in being used to indicate, lookFrequently the control instruction that RTCP message is carried described monitoring camera equipment.
12. devices according to claim 11, is characterized in that, described default value scope isInteger between 205 to 255.
13. devices according to claim 10, is characterized in that, described video RTCP messageThe data format of the described control instruction of carrying is JSON form.
14. according to the device described in claim 10-13 any one, it is characterized in that, described transmission is singleUnit specifically for:
In the time that described video monitoring control device is directly connected with described monitoring camera equipment, pass through number of usersSend video RTCP message according to report agreement UDP passage to described monitoring camera equipment;
In the time that described video monitoring control device is not directly connected with described monitoring camera equipment, and described in lookFrequently, when monitoring control device and being connected by Session Border Controller SBC with described monitoring camera equipment, lead toCross UDP passage described video RTCP message is sent to SBC, so that described SBC is by described videoRTCP message is sent to described monitoring camera equipment.
15. 1 kinds of monitoring camera equipment, is characterized in that, described monitoring camera equipment comprises:
Receiving element, for receiver, video RTCP message, described video RTCP message is carried monitoring and is taken the photographThe control instruction of picture equipment;
Resolution unit, for described video RTCP message is resolved, obtains described monitoring camera and establishesStandby control instruction;
Control module, for based on described control instruction, controls described monitoring camera equipment.
16. monitoring camera equipment according to claim 15, is characterized in that, described parsing is singleUnit specifically for:
Whether the value that detects the PT byte that described video RTCP message comprises meets default value scope;
In the time that the value of described PT byte meets default value scope, described monitoring camera equipment is looked describedFrequently RTCP message is resolved, and obtains the control instruction of described monitoring camera equipment.
17. monitoring camera equipment according to claim 16, is characterized in that described present countValue scope is the integer between 205 to 255.
18. according to the monitoring camera equipment described in claim 15-17 any one, it is characterized in that instituteState receiving element have for:
In the time that video monitoring control device is directly connected with described monitoring camera equipment, pass through user datagramAgreement UDP passage receives described video RTCP message;
In the time that described video monitoring control device is not directly connected with described monitoring camera equipment, and described in lookFrequently, when monitoring control device and being connected by Session Border Controller SBC with described monitoring camera equipment, lead toCross SBC and receive described video RTCP message.
19. 1 kinds of video monitoring systems, is characterized in that, described video monitoring system comprises claimVideo monitoring control device described in 10-14, and monitoring camera equipment described in claim 15-18.
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