CN104168457B - Method and device for playing multiple media streams on demand - Google Patents

Method and device for playing multiple media streams on demand Download PDF

Info

Publication number
CN104168457B
CN104168457B CN201410406922.2A CN201410406922A CN104168457B CN 104168457 B CN104168457 B CN 104168457B CN 201410406922 A CN201410406922 A CN 201410406922A CN 104168457 B CN104168457 B CN 104168457B
Authority
CN
China
Prior art keywords
video monitoring
client terminal
equipment
monitoring equipment
address
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410406922.2A
Other languages
Chinese (zh)
Other versions
CN104168457A (en
Inventor
周迪
陈伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Uniview Technologies Co Ltd
Original Assignee
Zhejiang Uniview Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Uniview Technologies Co Ltd filed Critical Zhejiang Uniview Technologies Co Ltd
Priority to CN201410406922.2A priority Critical patent/CN104168457B/en
Publication of CN104168457A publication Critical patent/CN104168457A/en
Application granted granted Critical
Publication of CN104168457B publication Critical patent/CN104168457B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention provides a method and device for playing multiple media streams on demand. The method comprises the steps that a first service link is used for sending a target channel media stream service establishing informing report to a video monitoring client-side, wherein the service establishing informing report carries a private network IP address of video monitoring equipment, an expected private network port number, a public network IP address converted by NAT gateway equipment and an expected public network port number; a service stream guiding report sent to the public network IP address and the expected public network port number by the video monitoring client-side is received and a second service link for the video monitoring equipment and the video monitoring client-side is established, wherein the stream guiding report carries a target channel identifier; the second service link is used for sending media streams of a target channel to the video monitoring client-side. By means of the method and device for playing the multiple media streams on demand, the perforating process of STUN is omitted and the service monitoring efficiency is improved.

Description

A kind of multipath media stream order method and device
Technical field
The present invention relates to technical field of video monitoring, more particularly to a kind of multipath media stream order method and device.
Background technology
In order to save the quantity and protection private network safety of public network IP address, operator can dispose NAT in private network exit position (Network Address Translation, network address translation) gateway device, the NAT gateway equipment is used for private network IP Address and public network IP address are mutually changed, wherein, multiple private network IP address can be converted to identical by NAT gateway equipment One public network IP address, only need to distinguish corresponding private network IP address using the different port number after conversion.As shown in figure 1, (IP1, Port1), (IP2, Port2), (IP3, Port3) in private network can be respectively converted into public network by NAT gateway equipment (IPA, PortA1), (IPA, PortA2), (IPA, PortA3).
By taking field of video monitoring as an example, video monitoring client terminal and video monitoring equipment can respectively be located at different privates Net, and be probably each to be respectively positioned under certain NAT gateway equipment.When between video monitoring client terminal and video monitoring equipment will When carrying out the Signalling exchange and media data transmission of P2P, need by STUN (Simple Traversal of UDP over The UDP simple traversals of NATs, NAT) detection and STUN crossing process could communicate.
Assume there is video camera all the way under video monitoring equipment, when video monitoring client terminal will check that the road video camera is corresponding During live media flow data, first, STUN detections are performed, by detection, video monitoring equipment can know that the video monitoring sets Standby private network IP address and the local port number of the current live stream of the transmission video camera corresponding public affairs after the conversion of NAT gateway equipment Net IP address and public network port number, for example, it is assumed that the private network IP address of video monitoring equipment is b, currently used local port Number be b1, obtain after STUN detections NAT gateway equipment will (b, b1) change after corresponding (B, B1).In the same manner, video monitoring client Hold and detect the public network IP after obtaining the NAT gateway equipment conversion that its private network IP address and certain port numbers are connected by it through STUN Address and port numbers (C, C1).After STUN detections, then perform STUN and pass through, mainly video monitoring client terminal and video The public network IP address and public network port number of the opposite end that monitoring device is obtained according to detection (can be by the mutual both sides of video server Detection information), service link is got through by burrowing message, such as video monitoring client terminal is got through and above-mentioned video monitoring equipment (B, B1) between service link after, communications can be started between video monitoring equipment and video monitoring client terminal live Media stream data.
Above-mentioned is by taking monitor client program request all the way live code stream as an example, if while carrying out the fact program request of multichannel video camera Business, then need to repeat STUN detections and STUN passed through, and constantly repeating STUN detection process can introduce more extra Time delay, has an impact to the requirement of real-time of monitoring business, and the efficiency of monitoring business is very low.
The content of the invention
In view of this, the present invention provides a kind of multipath media stream order method and device, to improve monitoring efficiency.
A kind of multipath media stream order method is embodiments provided, the video prison being located in monitoring networking is applied to Control equipment, the video monitoring equipment manages multiple passages, each passage one image capture device of correspondence, the monitoring networking Also include video monitoring client terminal and network address translation NAT gateway equipment, the video monitoring client terminal and video monitoring set It is standby to be located at different private networks, it is connected with public network by NAT gateway equipment respectively, methods described includes：
Destination channel media stream service request message is received, and receives the first service link notice message of multiplexing, described the One service link is the transmission link that the video monitoring equipment and the video monitoring client terminal have been set up；
Using the video monitoring equipment side IP address and port numbers of the first service link as source IP address and source Slogan, using the IP address and port numbers of the video monitoring client terminal side of the first service link as purpose IP address and mesh Port numbers, send destination channel media stream service to the video monitoring client terminal and set up notice message, the business is set up Notice message carries the private network IP address of the video monitoring equipment, expects private network port numbers, and the expectation private network port numbers are The desired use of private network port numbers and destination channel mark of the video monitoring equipment transmission destination channel Media Stream, It is private with the corresponding public network IP address of private network IP address, expectation after the outlet NAT gateway equipment conversion by the video monitoring equipment The corresponding expectation public network port number of net port numbers；
Receive the business that the video monitoring client terminal is sent to the public network IP address and the expectation public network port number Drain message, sets up the second service link of the video monitoring equipment and the video monitoring client terminal, the drain message Carry destination channel mark；
Using second service link, the Media Stream of the destination channel is sent to the video monitoring client terminal.
The embodiment of the present invention additionally provides a kind of multipath media stream order method, is applied to the video being located in monitoring networking Monitor client, the monitoring networking also includes video monitoring equipment and NAT gateway equipment, and the video monitoring equipment management is more Individual passage, each passage one image capture device of correspondence, the video monitoring client terminal and video monitoring equipment are located at difference Private network, be connected with public network by NAT gateway equipment respectively, methods described includes：
Send the message of video monitoring equipment destination channel Media Stream described in acquisition request；
Receive the video monitoring equipment and be multiplexed the destination channel media stream service foundation notice that the first service link sends Message, first service link is the transmission link that the video monitoring client terminal and the video monitoring equipment have been set up, The business sets up notice message and carries destination channel mark, the private network IP address of the video monitoring equipment and video prison Control equipment sends the expectation private network port numbers of destination channel Media Stream and exports NAT gateway through the video monitoring equipment The public network IP address and conversion that the equipment conversion private network IP address is obtained expects the expectation public network port that private network port numbers are obtained Number；
It is determined that the destination channel that the business is set up in notice message is designated the passage of acquisition request Media Stream After mark, drain message is sent to the public network IP address and the expectation public network port number, set up the video monitoring client End and the second service link of the video monitoring equipment；
Receive the destination channel media stream data that the video monitoring equipment is sent based on the second service link.
The embodiment of the present invention additionally provides a kind of multipath media stream order method, is applied to video surveillance network, described to regard Frequency monitoring network includes video monitoring client terminal, video monitoring equipment, video monitoring server and NAT gateway equipment, described to regard Frequency monitoring device manages multiple passages, and each passage one image capture device of correspondence, the video monitoring server is located at public affairs Net, the video monitoring client terminal and video monitoring equipment are located at different private networks, respectively by NAT gateway equipment and public network phase Even, methods described includes：
Video monitoring client terminal to video monitoring server sends acquisition request video monitoring equipment destination channel Media Stream Service request message；
The video monitoring server query monitor relation table, checks the video monitoring client terminal and the video monitoring Whether equipment has built up media monitoring relation, if it is not, then the video monitoring client terminal and the video monitoring equipment enter The UDP simple traversals STUN detection of row NAT and STUN are passed through, and set up the video monitoring client terminal and the video monitoring equipment Between transmission link, the video monitoring equipment issues the video monitoring client terminal the destination channel Media Stream, such as Fruit is then to continue；
Video monitoring server sends the report of the first service link of multiplexing to video monitoring equipment and video monitoring client terminal Text, and send the destination channel media stream service request message of the video monitoring client terminal request to video monitoring equipment；
Video monitoring equipment receives destination channel media stream service request message, and receives multiplexing the first service link notice Message, first service link is the transmission link that the video monitoring equipment and the video monitoring client terminal have been set up；
Video monitoring equipment uses the video monitoring equipment side IP address and port numbers of the first service link as source IP address and source port number, using the IP address and port numbers of the video monitoring client terminal side of the first service link as mesh IP address and destination slogan, to the video monitoring client terminal send destination channel media stream service set up notice message, The business sets up notice message and carries the private network IP address of the video monitoring equipment, expects private network port numbers and target Gap marker, the expectation private network port numbers are that the video monitoring equipment sends the desired use of of destination channel Media Stream Private network port numbers；
The NAT gateway equipment of outlet that video monitoring equipment is located fills the private network in the business sets up notice message The expectation public network port number that public network IP address that IP address conversion is obtained, the expectation private network port numbers are converted to；
Video monitoring client terminal receives the business and sets up notice message, if in the message carry gap marker and The gap marker of request is identical, then set up public network IP address described in notice message and the expectation public network port to the business Number send business drain message, set up the second service link of the video monitoring equipment and the video monitoring client terminal, institute State drain message and carry destination channel mark；
Video monitoring equipment utilizes second service link, and the Media Stream for sending the destination channel is supervised to the video Control client.
The embodiment of the present invention additionally provides a kind of video monitoring equipment, in video monitoring networking, the video monitoring The multiple passages of equipment control, each passage one image capture device of correspondence, the monitoring networking also includes video monitoring client End and network address translation NAT gateway equipment, the video monitoring client terminal and video monitoring equipment are located at different private networks, point Not Tong Guo NAT gateway equipment be connected with public network, including：
Receiving unit, for receiving destination channel media stream service request message, and reception the first service link of multiplexing leads to Know message, first service link is the chain that the video monitoring equipment and the video monitoring client terminal have been set up Road；
Transmitting element, for using the video monitoring equipment side IP address and port numbers of the first service link as source IP address and source port number, using the IP address and port numbers of the video monitoring client terminal side of the first service link as mesh IP address and destination slogan, to the video monitoring client terminal send destination channel media stream service set up notice message, The business sets up notice message and carries the private network IP address of the video monitoring equipment, expects private network port numbers, the expectation Private network port numbers are the desired use of private network port numbers and mesh that the video monitoring equipment sends destination channel Media Stream The corresponding public network IP of private network IP address after marking gap marker and being changed by the outlet NAT gateway equipment of the video monitoring equipment Address, the corresponding expectation public network port number of expectation private network port numbers；
Unit is set up, for receiving the video monitoring client terminal public network IP address and the expectation public network are sent to The business drain message of port numbers, sets up the second service link of the video monitoring equipment and the video monitoring client terminal, The drain message carries destination channel mark；
The transmitting element, is additionally operable to be sent using second service link Media Stream of the destination channel to institute State video monitoring client terminal.
The embodiment of the present invention additionally provides a kind of video monitoring client terminal, in video monitoring networking, the monitoring group Net also includes video monitoring equipment and NAT gateway equipment, and the video monitoring equipment manages multiple passages, each passage correspondence one Individual image capture device, the video monitoring client terminal and video monitoring equipment are located at different private networks, respectively by NAT gateway Equipment is connected with public network, including：
Transmitting element, for sending the message of video monitoring equipment destination channel Media Stream described in acquisition request；
Receiving unit, for receiving the video monitoring equipment destination channel Media Stream that the first service link sends is multiplexed Business sets up notice message, and first service link is that the video monitoring client terminal and the video monitoring equipment are set up Transmission link, the business set up notice message carry destination channel mark, the private network IP address of the video monitoring equipment The expectation private network port numbers of destination channel Media Stream are sent with the video monitoring equipment and through the video monitoring equipment The public network IP address and conversion that the outlet NAT gateway equipment conversion private network IP address is obtained expects the phase that private network port numbers are obtained Hope public network port number；
Unit is set up, for it is determined that the destination channel that the business is set up in notice message is designated acquisition request After the gap marker of Media Stream, drain message is sent to the public network IP address and the expectation public network port number, set up described Second service link of video monitoring client terminal and the video monitoring equipment；
The receiving unit, is additionally operable to receive the destination channel that the video monitoring equipment is sent based on the second service link Media stream data.
A kind of video surveillance network is embodiments provided, the video surveillance network includes video monitoring client End, video monitoring equipment, video monitoring server and NAT gateway equipment, the video monitoring equipment manages multiple passages, each Passage one image capture device of correspondence, the video monitoring server is located at public network, the video monitoring client terminal and video Monitoring device is located at different private networks, is connected with public network by NAT gateway equipment respectively, including：
Video monitoring client terminal, for sending acquisition request video monitoring equipment destination channel matchmaker to video monitoring server Body stream service request message；
The video monitoring server, for query monitor relation table, checks the video monitoring client terminal and described regards Whether frequency monitoring device has built up media monitoring relation, if it is not, then the video monitoring client terminal and the video monitoring Equipment carries out the UDP simple traversals STUN detection of NAT and STUN is passed through, and sets up the video monitoring client terminal and video prison Transmission link between control equipment, the video monitoring equipment issues the video monitoring client the destination channel Media Stream End, if it is, continuing；
The video monitoring server, is additionally operable to send the first industry of multiplexing to video monitoring equipment and video monitoring client terminal The message of business link, and send the destination channel media stream service of the video monitoring client terminal request to video monitoring equipment Request message；
Video monitoring equipment, for receiving destination channel media stream service request message, and receives the first business chain of multiplexing Road notice message, first service link is the transmission that the video monitoring equipment and the video monitoring client terminal have been set up Link；
The video monitoring equipment, is also used for video monitoring equipment side IP address and the end of the first service link Slogan is used as source IP address and source port number, the IP address and end using the video monitoring client terminal side of the first service link Slogan sends destination channel media stream service and sets up as purpose IP address and destination slogan to the video monitoring client terminal Notice message, the business set up notice message carry the video monitoring equipment private network IP address, expect private network port numbers, And destination channel mark, it is described to expect that private network port numbers are institute's phases that the video monitoring equipment sends destination channel Media Stream The private network port numbers that prestige is used；
The NAT gateway equipment of outlet that the video monitoring equipment is located, for filling out in setting up notice message in the business Fill the expectation public network port that the public network IP address, the expectation private network port numbers that the private network IP address is converted to is converted to Number；
The video monitoring client terminal, is additionally operable to receive the business and sets up notice message, if carried in the message Gap marker it is identical with the gap marker of request, then set up public network IP address described in notice message and described to the business Expect that public network port number sends business drain message, set up the second of the video monitoring equipment and the video monitoring client terminal Service link, the drain message carries destination channel mark；
The video monitoring equipment, is additionally operable to send the Media Stream of the destination channel using second service link To the video monitoring client terminal.
Embodiments provide a kind of multipath media stream order method and device, video monitoring equipment and video monitoring Client carries out STUN by the message that burrows passes through and sets up the first service link, subsequently, for this video monitoring equipment and this regard The business of frequency monitor client, can be multiplexed first service link carries out the transmission of equipment room data message, in video monitoring Equipment to video monitoring client terminal send business set up notice message when, by the private network IP address of video monitoring equipment and transmission The corresponding private network port numbers of destination channel are added to the business and set up in notice message, and NAT gateway equipment is receiving the report Changed when literary, the public network IP address and public network port number after conversion is added to into the business and is set up in notice message, will The business sets up notice message and is sent to video monitoring client terminal, after video monitoring client terminal is according to the conversion of video monitoring equipment side Public network IP address and public network port number, set up the second service link with video monitoring equipment, and obtain using the second service link The data of destination channel are taken, the process that burrows that STUN is passed through is reduced, the efficiency of monitoring business is improve.
Description of the drawings
Fig. 1 is a kind of NAT gateway device network address conversion schematic diagram that prior art is provided；
Fig. 2 is the application scenario diagram of multipath media stream order method provided in an embodiment of the present invention；
Fig. 3 is method flow diagram provided in an embodiment of the present invention；
Fig. 4 is the method flow diagram that another embodiment of the present invention is provided；
Fig. 5 is the method flow diagram that another embodiment of the present invention is provided；
Fig. 6 is the hardware environment Organization Chart of video monitoring equipment operation provided in an embodiment of the present invention；
Fig. 7 is video monitoring equipment structural representation provided in an embodiment of the present invention；
Fig. 8 is the hardware environment Organization Chart of video monitoring client terminal operation provided in an embodiment of the present invention；
Fig. 9 is video monitoring equipment structural representation provided in an embodiment of the present invention；
Figure 10 is video surveillance network structural representation provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made Example is applied, the scope of protection of the invention is belonged to.
In order that multipath media stream order method provided in an embodiment of the present invention is easier to understand, first with reference to Fig. 2 A kind of optional application scenarios of the order method are illustrated, as shown in Fig. 2 monitoring system mainly includes：Headend equipment and rear end set It is standby.Wherein, headend equipment can be video camera, manually or electrically camera lens, head, protective cover, audiomonitor, alarm detector and many Function decoder etc., is mainly used in the destination object of the monitoring site in itself monitoring range, and IPC1, IPC2 are shown in Fig. 2 And IPC3, here only represents the headend equipment of monitoring system with IPC (IP camera, web camera).Wherein, rear end sets Standby can be central control equipment or sub-control control equipment etc., and video monitoring equipment as shown in Figure 2 is rear end equipment, and rear end sets Standby can be NVR (Network Video Recorder i.e. network hard disk video recorder) or DVR (Digital Video Recorder DVRs), rear end equipment is mainly used in receiving the image scene that each headend equipment is gathered, so that regarding Frequency monitor client utilizes and the service link between video monitoring client terminal is by the passage when the data of a certain paths are obtained Data is activation to video monitoring client terminal.
Wherein, as shown in Fig. 2 video monitoring equipment accesses and manage multiple video cameras, each video camera correspondence video prison One passage of control equipment, for example, video monitoring client terminal obtains the data of the first paths, then illustrate video monitoring client terminal It is the image scene for needing to obtain IPC1 collections.Service link is the chain set up between video monitoring equipment and video monitoring client terminal Road, for realizing the transmission of the information data between video monitoring equipment and video monitoring client terminal.
Due to private network side of the video monitoring equipment in Fig. 2 in NAT gateway device A, video monitoring client terminal is in NAT The private network side of gateway device B, therefore, it is necessary first to STUN detections are performed, by detection, video monitoring equipment can know itself Private network IP address, and send the private network port numbers of the current code stream corresponding public network IP address after the conversion of NAT gateway device A IPA and public network port number PortA, in the same manner, video monitoring client terminal knows the private network IP address of itself, the private of the current code stream of reception Net port numbers corresponding public network IP address IPB and public network port number PortB after NAT gateway equipment B conversions.
When video monitoring client terminal obtains the data of a certain paths, video monitoring equipment and video monitoring client are needed End is passed through to obtain the public network IP address and public network port number of opposite end according to STUN, after passing through successfully, is built using crossing process Vertical service link obtains the data of a certain paths.
The embodiment of the present invention on the basis of said process, only using a STUN crossing process, it becomes possible to reach difference Obtain or while obtain multiplexer channel media stream data, to improve monitoring efficiency.
Embodiment one
As shown in figure 3, for a kind of schematic flow sheet of multipath media stream order method provided in an embodiment of the present invention, this The method of bright embodiment is performed by video monitoring equipment, and video monitoring equipment manages multiple passages, each passage correspondence one Individual image capture device, the monitoring networking also includes video monitoring client terminal and NAT gateway equipment, the video monitoring client terminal and Video monitoring equipment is located at different private networks, is connected with public network by NAT gateway equipment respectively, may comprise steps of：
Step 301：Destination channel media stream service request message is received, and receives the first service link of multiplexing and notify report Text, first service link is the transmission link that the video monitoring equipment and the video monitoring client terminal have been set up.
Wherein, the first service link is the link set up using STUN crossing technologies.Service link a is as first with Fig. 2 Service link, service link a is used to transmit the Media Stream that IPC1 is gathered between video monitoring equipment and video monitoring client terminal Data, carry the link identification of the service link a for needing multiplexing in notice message, for example, represent the service link with " a ".
IPC2 fact code streams are watched in video monitoring client terminal request, then the second of IPC2 correspondence video monitoring equipments now Passage, then second channel be destination channel.
Video monitoring equipment receives the request that video monitoring client terminal asks the second road media stream data, for example, now regards Frequency monitor client wants the fact for checking IPC2.Video monitoring equipment also receives the notice message of the first service link a of multiplexing.
Step 302：Using the video monitoring equipment side IP address and port numbers of the first service link as source IP address And source port number, using the IP address and port numbers of the video monitoring client terminal side of the first service link as purpose IP address And destination slogan, sending destination channel media stream service to the video monitoring client terminal and set up notice message, the business is set up Notice message carries the private network IP address of the video monitoring equipment, expects private network port numbers, and the expectation private network port numbers are that this is regarded Frequency monitoring device sends the desired use of private network port numbers and destination channel mark of destination channel Media Stream and by this The corresponding public network IP address of private network IP address, expectation private network port numbers after the outlet NAT gateway equipment conversion of video monitoring equipment Corresponding expectation public network port number.
Because prior art is in the data that IPC is gathered every all the way that order video monitoring device is connected, it is required for Service link is set up using STUN detections and STUN crossing process so that the time delay of monitoring is serious, and the efficiency of monitoring business is very It is low, therefore, the embodiment of the present invention has been set up service link a, sets with video monitoring video monitoring client terminal is subsequently set up Corresponding to the second road IPC2 of standby transmission during the service link of code stream, using the service link a having built up to video monitoring client End transmission business sets up notice message, and the business sets up the private network IP address and transmission mesh that notice message carries video monitoring equipment Mark channel bit stream is corresponding to expect private network port numbers (IP2, Port2), and the business sets up notice message through NAT gateway equipment During A, (IP2, Port2) is converted to public network IP address and expects public network port number (IPA, PortA2) by NAT gateway device A, and Should (IPA, the PortA2) business of being added on set up in notice message and be sent to video monitoring client terminal so that video monitoring is objective Family end sets up notice message and video monitoring equipment and sets up service link b according to the business, so as to beating of reducing that STUN passes through Hole process, improves the efficiency of monitoring business.
Wherein, the business that video monitoring equipment sends is set up in notice message and also carries destination channel mark channel2, So that video monitoring client terminal is when receiving the business and setting up notice message, according to destination channel mark channel2, sentence The channel information of the disconnected destination channel for being whether itself institute's acquisition request data, due to video monitoring client terminal acquisition request IPC2 Data, therefore the destination channel mark channel2 that the business is set up in notice message is video monitoring client terminal and asked Obtain the passage of data.
Step 303：Receive the industry that the video monitoring client terminal is sent to the public network IP address and the expectation public network port number Business drain message, sets up second service link of the video monitoring equipment and the video monitoring client terminal, and the drain message is carried Destination channel is identified.
Step 304：Using second service link, the Media Stream for sending the destination channel gives the video monitoring client terminal.
Video monitoring equipment is receiving the business drain message that video monitoring client terminal sends, purpose IP of the drain message The private network IP address and destination channel corresponding phase of address and destination slogan (IPA, PortA2), respectively video monitoring equipment The public network IP address hoped after private network port numbers (IP2, Port2) conversion and expectation public network port number (IPA, PortA2), in video When monitoring device receives the business drain message of video monitoring client terminal transmission, the video monitoring carried using the drain message The IP address and IP port numbers of client-side, and according to (IP2, Port2), set up video monitoring client terminal and set with video monitoring Service link b corresponding to the second road media stream data IPC2 live media streams of standby transmission.Video monitoring equipment utilizes the business The media stream data that IPC2 is gathered is sent to video monitoring client terminal by link b.
The embodiment of the present invention is passed through set up a service link and sends business to video monitoring client terminal using STUN Notice message is set up, is transmitted corresponding to the second paths Media Stream with video monitoring equipment so as to set up video monitoring client terminal Service link, the business sets up in notice message the private network IP address and video monitoring equipment distribution for carrying video monitoring equipment Transmission video monitoring client terminal need obtain data destination channel correspondence Media Stream expectation private network port numbers, and pass through Public network IP address and expect public network port number, video monitoring client terminal that NAT gateway equipment is changed when the message is received According to the public network IP address after the conversion of video monitoring equipment side and expectation public network port number, with video monitoring equipment the second industry is set up Business link, and the data of destination channel are obtained using the second service link, the process that burrows that STUN is passed through is reduced, improve prison The efficiency of control business.
Embodiment two
As shown in figure 4, for a kind of schematic flow sheet of multipath media stream order method provided in an embodiment of the present invention, this The method of bright embodiment is performed by video monitoring client terminal, is applied to the video monitoring client terminal being located in monitoring networking, The monitoring networking also includes video monitoring equipment and NAT gateway equipment, and the video monitoring equipment manages multiple passages, each passage One image capture device of correspondence, the video monitoring client terminal and video monitoring equipment are located at different private networks, respectively by NAT Gateway device is connected with public network, may comprise steps of：
Step 401：Send the message of the acquisition request video monitoring equipment destination channel Media Stream.
Step 402：The destination channel media stream service for receiving video monitoring equipment multiplexing first service link transmission is built Vertical notice message, first service link is the transmission link that the video monitoring client terminal and the video monitoring equipment have been set up, The business sets up notice message and carries destination channel mark, the private network IP address of the video monitoring equipment and the video monitoring equipment Send the expectation private network port numbers of destination channel Media Stream and through the video monitoring equipment outlet NAT gateway equipment conversion The public network IP address and conversion that the private network IP address is obtained expects the expectation public network port number that private network port numbers are obtained.
The second tunnel that the destination channel Media Stream is connected with video monitoring client terminal acquisition request with video monitoring equipment The data instance that passage channel2 is gathered, after the business for receiving video monitoring equipment transmission sets up notice message, root The destination channel mark channel2 of notice message carrying is set up according to the business, it is determined whether with the mesh that requesting itself obtains data Whether passage channel2 is identical for mark, in the case of judged result identical, it is determined that it is correct that the business sets up notice message 's.If judged result is differed, it is determined that the service announcements message is mistake, then sending to video monitoring server again please Ask obtain video monitoring equipment destination channel Media Stream message, until the judged result it is identical.
Step 403：It is determined that the destination channel that the business is set up in notice message is designated acquisition request Media Stream After gap marker, drain message is sent to the public network IP address and the expectation public network port number, set up the video monitoring client terminal With the second service link of the video monitoring equipment.
Step 404：Receive the destination channel media stream data that the video monitoring equipment is sent based on the second service link.
Video monitoring client terminal sets up notice message and sends drain message to video monitoring equipment according to the business, wherein, The business is set up notice message carrying public network IP address, expect public network port number as drain message purpose IP address, Destination slogan.The drain message also carries destination channel mark channel2, so that video monitoring equipment receives the drain Message identifies channel2 according to the destination channel, by the data is activation corresponding to destination channel mark channel2 to video Monitor client.
After causing video monitoring equipment to receive drain message, set up video monitoring client terminal and pass with video monitoring equipment The service link b of defeated destination channel Media Stream.Pass through when the destination channel media stream data that video monitoring equipment sends is received What service link b was received.
Embodiment of the present invention video monitoring client terminal receives the business of video monitoring equipment transmission and sets up notice message, due to The business sets up the expectation private network port in notice message corresponding to the private network IP address of carrying video monitoring equipment, destination channel Number, and the public network IP address after conversion and expectation public network port number, video monitoring client terminal is according to the public network IP after the conversion Address and expectation public network port number set up the service link corresponding to the destination channel with video monitoring equipment, so as to using the mesh Service link corresponding to mark passage, obtains the data of destination channel, so as to reduce the process that burrows that STUN is passed through, improves The efficiency of monitoring business.
Embodiment three
Fig. 5 is the flow chart of another multi-path media streaming on demand provided in an embodiment of the present invention, is applied to video monitoring net Network, the video surveillance network includes video monitoring client terminal, video monitoring equipment, video monitoring server and NAT gateway equipment, The video monitoring equipment manages multiple passages, and each passage one image capture device of correspondence, the video monitoring server is located at Public network, the video monitoring client terminal and video monitoring equipment are located at different private networks, respectively by NAT gateway equipment and public network phase Even.The method can include：
Step 501：Video monitoring client terminal sends acquisition request video monitoring equipment target and leads to video monitoring server Road media stream service request message.
The service request message carries gap marker, the user of the destination channel of video monitoring client terminal acquisition request data The mark of mark, video monitoring client terminal mark and video monitoring equipment.
For example, as shown in Fig. 2 IPC2 corresponding to video monitoring client terminal acquisition request the second paths of video monitoring equipment Data, the gap marker of the destination channel of the monitoring acquisition request data that the data acquisition request is carried is channel2.
Step 502：Video monitoring server is deposited in advance according to the ID and the mark of video monitoring equipment, inquiry The media monitoring relation table of storage, checks whether video monitoring client terminal and video monitoring equipment have built up media monitoring relation, If it is, continuing.
Wherein, the ID can be the account and password logged on video monitoring client terminal.According to user The difference of mark, to should ID authority it is also different.For example, account can be：zhanghao；Password can be with It is * * * * * *.Video monitoring server is can to search media monitoring according to the ID to the authority of the account and password Relation table.It is to forbid searching media monitoring relation table to the authority of other accounts and password.
Video monitoring server is when media monitoring relation table is checked, if media monitoring relation table includes and the video prison Service link mark corresponding to the mark of control client identification and video monitoring equipment, then show the video monitoring client terminal Service link is established between the video monitoring equipment.
If not including the mark with the video monitoring client terminal mark and video monitoring equipment in media monitoring relation table Corresponding service link mark, shows not setting up service link between the video monitoring client terminal and the video monitoring equipment, Then set up the service link between video monitoring client terminal and the video monitoring equipment, video monitoring service using STUN Detection Techniques Device records and the information of the service link set up using STUN Detection Techniques is stored in media monitoring relation table.
In embodiments of the present invention, media monitoring relation table is as shown in table 1：
Table 1：
According to table 1, video monitoring server is in the video monitoring client terminal mark carried according to data acquisition request And video monitoring equipment mark is when the media monitoring relation table is searched, if the media monitoring relation table includes that the data are obtained Video monitoring client terminal mark, the mark of video monitoring equipment that request is carried are taken, then shows that video monitoring client terminal is regarded with this Service link is established between frequency monitoring device；Otherwise, then show not built between video monitoring client terminal and the video monitoring equipment Found service link.
With video monitoring client terminal and video monitoring equipment 1 that video monitoring client terminal is designated video monitoring client terminal 1 Service link having been established, and only having been established as a example by a service link a, the service link set up has been video monitoring The service link set up using STUN crossing technologies between client and video monitoring equipment.For causing video monitoring client terminal root The media stream data of IPC1 corresponding to the first paths of video monitoring equipment is obtained according to the service link a having built up.
Or there is a plurality of built vertical service link, this plurality of service link can otherwise non-STUN detections and The mode of passing through is set up, for example, can be set up by the present invention program mode, and built business link mode of setting up one's own business is not limited at this System.
Step 503：Video monitoring server to video monitoring equipment and video monitoring client terminal send the first business of multiplexing The message of link, and send the destination channel media stream service request of the video monitoring client terminal request to video monitoring equipment Message.
Wherein, the business of multiplexing first that video monitoring server sends to video monitoring equipment and video monitoring client terminal In the message of link, the mark of first service link is carried.
Because video monitoring client terminal does not receive video monitoring server for service request report in preset time period The message that text is returned, then may proceed to send service request message to video monitoring server.Therefore, video monitoring server is needed The message of the first service link of multiplexing is sent to video monitoring client terminal.Video monitoring client terminal is receiving the video monitoring clothes The message of the service link of multiplexing first that business device sends, can wait video monitoring equipment to send out using the service link set up The message sent.
Step 504：Video monitoring equipment receives destination channel media stream service request message, and receives the first business of multiplexing Link notice message, first service link is the chain that the video monitoring equipment and the video monitoring client terminal have been set up Road.
Step 505：Video monitoring equipment uses video monitoring equipment side IP address and port numbers of the first service link As source IP address and source port number, made using the IP address and port numbers of the video monitoring client terminal side of the first service link For purpose IP address and destination slogan, send destination channel media stream service to the video monitoring client terminal and set up notice report Text, the business sets up notice message and carries the private network IP address of the video monitoring equipment, expects that private network port numbers and target are logical Road is identified, and the expectation private network port numbers are the desired use of private network ends that the video monitoring equipment sends destination channel Media Stream Slogan.
Step 506：NAT gateway device A receives the business of video monitoring equipment transmission and sets up notice message, and business is built The private network IP address and destination channel of the video monitoring equipment that vertical notice message is carried are corresponding to expect that private network port numbers are carried out Conversion, and by the public network IP address after conversion and expect that public network port number is filled into the business and sets up in notice message, and will Business sets up notice message and is sent to the NAT gateway equipment B that video monitoring client terminal is connected, so that NAT gateway equipment B should Business sets up notice message and is sent to video monitoring client terminal.
Simultaneously NAT gateway equipment is the private network IP address, expectation private network port numbers and public network IP address, expectation public network port Number mapping relations preserve, subsequently to complete public network IP address, to expect public network port number to private network IP address, expectation private network end The address conversion of slogan.
Step 507：Video monitoring client terminal receives the business and sets up notice message, if the passage mark carried in the message Knowledge is identical with the gap marker of request, then set up the public network IP address and the expectation public network port number in notice message to the business The business drain message of transmission, sets up second service link of the video monitoring equipment and the video monitoring client terminal, the drain Message carries destination channel mark.
Wherein, the public network IP address of the drain message that video monitoring client terminal sends, public network port number are set by video monitoring The NAT gateway equipment of standby side, according to the internal public network for preserving and private net address conversion table, is converted to video monitoring equipment corresponding Private network IP address and expectation private network port numbers.Specifically, video monitoring client terminal receives the business and sets up after notice message, root Expect private network port numbers after the conversion of NAT gateway equipment according to the private network IP address and destination channel of video monitoring equipment are corresponding Public network IP address and expect public network port number, video monitoring client terminal send drain message, set up pin with video monitoring equipment Service link b to the second paths.A service link, video are often set up in video monitoring client terminal and video monitoring equipment Monitor client sends the information of the service link with regard to setting up, video prison with video monitoring equipment to video monitoring server Control server is stored in the information of the service link with regard to setting up in media monitoring relation table.
Step 508：Video monitoring equipment utilizes second service link, the Media Stream for sending the destination channel to give the video Monitor client.
Said process with the process of video monitoring client terminal program request data of passage all the way, when video monitoring client terminal it is same When program request two-way or multiplexer channel data when, the embodiment of the present invention is with the number of video monitoring client terminal simultaneously program request two paths According to as a example by, the method can include with the difference of the data in program request a-road-through road in Fig. 7：
In step 501, the video monitoring client terminal sets to the acquisition request video monitoring that video monitoring server sends In standby destination channel media stream service request message, the passage of two destination channels of acquisition request media stream data can be carried Mark, or video monitoring client terminal send respectively two service request messages to video monitoring server.
In step 503, video monitoring server can send a service request message, the industry to video monitoring equipment The destination channel mark of video monitoring client terminal request Media Stream can be carried in business request message.Can also send two industry Business request message, carries respectively the destination channel that corresponding video monitoring client terminal asks Media Stream in each service request message Mark.
In step 505, the business that video monitoring equipment sends is set up in notice message, can include two destination channels Expectation private network port numbers corresponding to the IP address of corresponding video monitoring equipment, each destination channel, and public network IP ground Location and expectation public network port number.Can also be that two business of video monitoring equipment transmission set up notice message.
In step 506, step 507, video monitoring client terminal receives business and sets up after notice message, is built according to business Vertical notice message, sends drain message to corresponding video monitoring equipment respectively.Video monitoring equipment is received after drain message Media stream data is returned using corresponding service link.
According to such scheme, video monitoring equipment carries out STUN and passes through foundation with video monitoring client terminal by the message that burrows First service link, using first service link transmission of each equipment room data message is carried out, and video monitoring equipment to When video monitoring client terminal transmission business sets up notice message, by the private network IP address of video monitoring equipment and video monitoring visitor Family end needs that the destination channel for obtaining data is corresponding to expect that private network port numbers are added to the business and set up in notice message, and NAT gateway equipment is changed when the message is received, and the public network IP address after conversion and expectation public network port number are added to The business is set up in notice message, the business is set up into notice message and is sent to video monitoring client terminal, video monitoring client Hold according to the public network IP address after the conversion of video monitoring equipment side and expect public network port number, to video monitoring equipment drain is sent Message, and the second service link is set up with video monitoring client terminal after video equipment receives drain message, and utilize second Service link returns the media stream data of destination channel, reduces the process that burrows that STUN is passed through, and according to the present invention program, can With the data of program request multiplexer channel simultaneously, the efficiency of monitoring business is improve.
As shown in Figure 6, Figure 7, a kind of video monitoring equipment is embodiments provided, in video monitoring networking, The video monitoring equipment manages multiple passages, and each passage one image capture device of correspondence, monitoring networking is also supervised including video Control client and network address translation NAT gateway equipment, video monitoring client terminal and video monitoring equipment are located at different private networks, It is connected with public network by NAT gateway equipment respectively.Device embodiment can be realized by software, it is also possible to by hardware or soft The mode of combination of hardware is realized.From for hardware view, as shown in fig. 6, be located for embodiment of the present invention video monitoring equipment setting A kind of standby hardware structure diagram, in addition to the CPU shown in Fig. 6, internal memory, network interface and nonvolatile memory, implements The equipment that device is located in example can also generally include other hardware, such as be responsible for processing the forwarding chip of message.With software As a example by realization, as shown in fig. 7, as the device on a logical meaning, being deposited non-volatile by the CPU of its place equipment Corresponding computer program instructions read what operation in internal memory was formed in reservoir.The video monitoring equipment 70 that the present embodiment is provided Including：
Receiving unit 701, for receiving destination channel media stream service request message, and receives the first service link of multiplexing Notice message, first service link is the chain that the video monitoring equipment and the video monitoring client terminal have been set up Road；
Transmitting element 702, for being made using the video monitoring equipment side IP address of the first service link and port numbers For source IP address and source port number, made using the IP address and port numbers of the video monitoring client terminal side of the first service link For purpose IP address and destination slogan, send destination channel media stream service to the video monitoring client terminal and set up notice report Text, the business sets up notice message and carries the private network IP address of the video monitoring equipment, expects private network port numbers, the phase Hope private network port numbers be the video monitoring equipment send destination channel Media Stream desired use of private network port numbers and Destination channel identify and by the video monitoring equipment outlet NAT gateway equipment conversion after the corresponding public network of private network IP address IP address, the corresponding expectation public network port number of expectation private network port numbers；
Unit 703 is set up, for receiving the video monitoring client terminal public network IP address and the expectation are sent to The business drain message of public network port number, sets up the second business chain of the video monitoring equipment and the video monitoring client terminal Road, the drain message carries destination channel mark；
The transmitting element, is additionally operable to be sent using second service link Media Stream of the destination channel to institute State video monitoring client terminal.
As shown in Figure 8, Figure 9, a kind of video monitoring client terminal is embodiments provided, positioned at video monitoring networking In, wherein, monitoring networking also includes video monitoring equipment and NAT gateway equipment, and the video monitoring equipment manages multiple passages, Each passage one image capture device of correspondence, the video monitoring client terminal and video monitoring equipment are located at different private networks, It is connected with public network by NAT gateway equipment respectively.Device embodiment can be realized by software, it is also possible to by hardware or soft The mode of combination of hardware is realized.From for hardware view, as shown in figure 8, be located for embodiment of the present invention video monitoring equipment setting A kind of standby hardware structure diagram, in addition to the CPU shown in Fig. 8, internal memory, network interface and nonvolatile memory, implements The equipment that device is located in example can also generally include other hardware, such as be responsible for processing the forwarding chip of message.With software As a example by realization, as shown in figure 9, as the device on a logical meaning, being deposited non-volatile by the CPU of its place equipment Corresponding computer program instructions read what operation in internal memory was formed in reservoir.The video monitoring client terminal 90 includes：
Transmitting element 901, for sending the message of video monitoring equipment destination channel Media Stream described in acquisition request；
Receiving unit 902, for receiving the video monitoring equipment destination channel matchmaker that the first service link sends is multiplexed Body stream business sets up notice message, first service link be the video monitoring client terminal and the video monitoring equipment The transmission link of foundation, the business sets up notice message and carries destination channel mark, the private network IP of the video monitoring equipment Address and the video monitoring equipment send the expectation private network port numbers of destination channel Media Stream and through the video monitoring The public network IP address and conversion that the equipment outlet NAT gateway equipment conversion private network IP address is obtained expects that private network port numbers are obtained Expectation public network port number；
Unit 903 is set up, for it is determined that the destination channel that the business is set up in notice message is designated request After obtaining the gap marker of Media Stream, drain message is sent to the public network IP address and the expectation public network port number, set up Second service link of the video monitoring client terminal and the video monitoring equipment；
The receiving unit 902, is additionally operable to receive the target that the video monitoring equipment is sent based on the second service link Passage media stream data.
As shown in Figure 10, the embodiment of the present invention has carried a kind of video surveillance network, and video surveillance network includes video monitoring Client, video monitoring equipment, video monitoring server and NAT gateway equipment, video monitoring equipment manages multiple passages, each Passage one image capture device of correspondence, video monitoring server is located at public network, video monitoring client terminal and video monitoring equipment Positioned at different private networks, it is connected with public network by NAT gateway equipment respectively.The video surveillance network 100 includes：
Video monitoring client terminal 1001, leads to for sending acquisition request video monitoring equipment target to video monitoring server Road media stream service request message；
The video monitoring server 1002, for query monitor relation table, checks the video monitoring client terminal and institute State whether video monitoring equipment has built up media monitoring relation, if it is not, then the video monitoring client terminal and the video Monitoring device carries out the UDP simple traversals STUN detection of NAT and STUN is passed through, and sets up the video monitoring client terminal and described regards Transmission link between frequency monitoring device, the video monitoring equipment issues the video monitoring the destination channel Media Stream Client, if it is, continuing；
The video monitoring server 1002, is additionally operable to send multiplexing the to video monitoring equipment and video monitoring client terminal The message of one service link, and send the destination channel Media Stream of the video monitoring client terminal request to video monitoring equipment Service request message；
Video monitoring equipment 1003, for receiving destination channel media stream service request message, and receives the first industry of multiplexing Business link notice message, first service link is that the video monitoring equipment and the video monitoring client terminal are set up Transmission link；
The video monitoring equipment 1003, is also used for the video monitoring equipment side IP address of the first service link With port numbers as source IP address and source port number, using the IP address of the video monitoring client terminal side of the first service link With port numbers as purpose IP address and destination slogan, to the video monitoring client terminal destination channel media stream service is sent Notice message is set up, the business sets up notice message and carries the private network IP address of the video monitoring equipment, expects private network end Slogan and destination channel are identified, and the expectation private network port numbers are that the video monitoring equipment sends destination channel Media Stream Desired use of private network port numbers；
The NAT gateway equipment 1004 of outlet that the video monitoring equipment is located, for setting up notice message in the business The expectation public network that public network IP address that the middle filling private network IP address is converted to, the expectation private network port numbers are converted to Port numbers；
The video monitoring client terminal 1001, is additionally operable to receive the business and sets up notice message, if in the message The gap marker of carrying with request gap marker it is identical, then to the business set up public network IP address described in notice message and It is described to expect the business drain message that public network port number sends, set up the video monitoring equipment and the video monitoring client terminal The second service link, the drain message carries destination channel mark；
The video monitoring equipment 1003, is additionally operable to send the matchmaker of the destination channel using second service link Body stream gives the video monitoring client terminal.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.

Claims (6)

1. a kind of multipath media stream order method, is applied to the video monitoring equipment being located in monitoring networking, the video monitoring The multiple passages of equipment control, each passage one image capture device of correspondence, the monitoring networking also includes video monitoring client End and network address translation NAT gateway equipment, the video monitoring client terminal and video monitoring equipment are located at different private networks, point Not Tong Guo NAT gateway equipment be connected with public network, it is characterised in that methods described includes：
Destination channel media stream service request message is received, and receives the notice message for being multiplexed the first service link, it is described First service link is the transmission link that the video monitoring equipment and the video monitoring client terminal have been set up；
Using the video monitoring equipment side IP address and port numbers of the first service link as source IP address and source port number, Using the IP address and port numbers of the video monitoring client terminal side of the first service link as purpose IP address and destination Slogan, sends destination channel media stream service and sets up notice message to the video monitoring client terminal, and the business is set up and notified Message carries the private network IP address of the video monitoring equipment, expects private network port numbers, and the expectation private network port numbers are described Video monitoring equipment sends the desired use of private network port numbers and destination channel mark and quilt of destination channel Media Stream The corresponding public network IP address of private network IP address, expectation private network end after the outlet NAT gateway equipment conversion of the video monitoring equipment The corresponding expectation public network port number of slogan；
Receive the business drain that the video monitoring client terminal is sent to the public network IP address and the expectation public network port number Message, sets up the second service link of the video monitoring equipment and the video monitoring client terminal, and the drain message is carried Destination channel is identified；
Using second service link, the Media Stream of the destination channel is sent to the video monitoring client terminal.
2. a kind of multipath media stream order method, is applied to the video monitoring client terminal being located in monitoring networking, the monitoring group Net also includes video monitoring equipment and NAT gateway equipment, and the video monitoring equipment manages multiple passages, each passage correspondence one Individual image capture device, the video monitoring client terminal and video monitoring equipment are located at different private networks, respectively by NAT gateway Equipment is connected with public network, it is characterised in that methods described includes：
Send the message of video monitoring equipment destination channel Media Stream described in acquisition request；
The destination channel media stream service for receiving the video monitoring equipment multiplexing the first service link transmission sets up notice message, First service link is the transmission link that the video monitoring client terminal and the video monitoring equipment have been set up, the industry Business is set up notice message and carries destination channel mark, the private network IP address of the video monitoring equipment and the video monitoring equipment Send the expectation private network port numbers of destination channel Media Stream and turn through video monitoring equipment outlet NAT gateway equipment Change public network IP address that the private network IP address obtains and the expectation public network port number that private network port numbers are obtained is expected in conversion；
It is determined that the destination channel that the business is set up in notice message is designated the gap marker of acquisition request Media Stream Afterwards, send drain message to the public network IP address and the expectation public network port number, set up the video monitoring client terminal and Second service link of the video monitoring equipment；
Receive the destination channel media stream data that the video monitoring equipment is sent based on the second service link.
3. a kind of multipath media stream order method, is applied to video surveillance network, and the video surveillance network includes video monitoring Client, video monitoring equipment, video monitoring server and NAT gateway equipment, the video monitoring equipment manages multiple passages, Each passage one image capture device of correspondence, the video monitoring server is located at public network, the video monitoring client terminal and Video monitoring equipment is located at different private networks, is connected with public network by NAT gateway equipment respectively, it is characterised in that methods described Including：
Video monitoring client terminal to video monitoring server sends acquisition request video monitoring equipment destination channel media stream service Request message；
The video monitoring server query monitor relation table, checks the video monitoring client terminal and the video monitoring equipment Whether media monitoring relation is had built up, if it is not, then the video monitoring client terminal and the video monitoring equipment carry out NAT UDP simple traversals STUN detection and STUN pass through, set up between the video monitoring client terminal and the video monitoring equipment Transmission link, the video monitoring equipment issues the video monitoring client terminal the destination channel Media Stream, if it is, Then continue；
Video monitoring server sends the message of the first service link of multiplexing to video monitoring equipment and video monitoring client terminal, and And send the destination channel media stream service request message of the video monitoring client terminal request to video monitoring equipment；
Video monitoring equipment receives destination channel media stream service request message, and receives for being multiplexed the logical of the first service link Know message, first service link is the chain that the video monitoring equipment and the video monitoring client terminal have been set up Road；
Video monitoring equipment uses the video monitoring equipment side IP address and port numbers of the first service link as source IP ground Location and source port number, using the IP address and port numbers of the video monitoring client terminal side of the first service link as purpose IP Address and destination slogan, send destination channel media stream service and set up notice message to the video monitoring client terminal, described Business sets up notice message and carries the private network IP address of the video monitoring equipment, expects private network port numbers and destination channel Mark, it is described to expect that private network port numbers are the desired use of private networks that the video monitoring equipment sends destination channel Media Stream Port numbers；
The NAT gateway equipment of outlet that video monitoring equipment is located fills the private network IP ground in the business sets up notice message The expectation public network port number that public network IP address that location is converted to, the expectation private network port numbers are converted to；
Video monitoring client terminal receives the business and sets up notice message, if the gap marker carried in the message and request Gap marker it is identical, then set up public network IP address described in notice message and the expectation public network port number to the business and send out Business drain message is sent, the second service link of the video monitoring equipment and the video monitoring client terminal is set up, it is described to draw Stream packet carries destination channel mark；
Video monitoring equipment utilizes second service link, and the Media Stream for sending the destination channel gives video monitoring visitor Family end.
4. a kind of video monitoring equipment, in video monitoring networking, the video monitoring equipment manages multiple passages, and each leads to Road one image capture device of correspondence, the video monitoring networking also includes video monitoring client terminal and network address translation NAT Gateway device, the video monitoring client terminal and video monitoring equipment be located at different private networks, respectively by NAT gateway equipment with Public network is connected, it is characterised in that include：
Receiving unit, for receiving destination channel media stream service request message, and receives for being multiplexed the first service link Notice message, first service link is the chain that the video monitoring equipment and the video monitoring client terminal have been set up Road；
Transmitting element, for using the video monitoring equipment side IP address and port numbers of the first service link as source IP ground Location and source port number, using the IP address and port numbers of the video monitoring client terminal side of the first service link as purpose IP Address and destination slogan, send destination channel media stream service and set up notice message to the video monitoring client terminal, described Business sets up notice message and carries the private network IP address of the video monitoring equipment, expects private network port numbers, the expectation private network Port numbers are that the desired use of private network port numbers and target of the video monitoring equipment transmission destination channel Media Stream are logical Road identify and by the video monitoring equipment outlet NAT gateway equipment conversion after the corresponding public network IP address of private network IP address, Expect the corresponding expectation public network port number of private network port numbers；
Unit is set up, for receiving the video monitoring client terminal public network IP address and the expectation public network port are sent to Number business drain message, set up the second service link of the video monitoring equipment and the video monitoring client terminal, it is described Drain message carries destination channel mark；
The transmitting element, the Media Stream for being additionally operable to be sent using second service link destination channel is regarded to described Frequency monitor client.
5. a kind of video monitoring client terminal, in video monitoring networking, the video monitoring networking also sets including video monitoring Standby and NAT gateway equipment, the video monitoring equipment manages multiple passages, each passage one image capture device of correspondence, institute State video monitoring client terminal and video monitoring equipment is located at different private networks, be connected with public network by NAT gateway equipment respectively, its It is characterised by, including：
Transmitting element, for sending the message of video monitoring equipment destination channel Media Stream described in acquisition request；
Receiving unit, for receiving the video monitoring equipment destination channel media stream service that the first service link sends is multiplexed Notice message is set up, first service link is the biography that the video monitoring client terminal and the video monitoring equipment have been set up Transmission link, the business sets up notice message and carries destination channel mark, the private network IP address of the video monitoring equipment and institute State video monitoring equipment and send the expectation private network port numbers of destination channel Media Stream and through video monitoring equipment outlet The public network IP address and conversion that the NAT gateway equipment conversion private network IP address is obtained expects that the expectation that private network port numbers are obtained is public Net port numbers；
Unit is set up, for it is determined that the destination channel that the business is set up in notice message is designated acquisition request media After the gap marker of stream, drain message is sent to the public network IP address and the expectation public network port number, set up the video Second service link of monitor client and the video monitoring equipment；
The receiving unit, is additionally operable to receive the destination channel media that the video monitoring equipment is sent based on the second service link Flow data.
6. a kind of video surveillance network, the video surveillance network includes video monitoring client terminal, video monitoring equipment, video prison Control server and NAT gateway equipment, the video monitoring equipment manages multiple passages, and each passage one image acquisition of correspondence sets Standby, the video monitoring server is located at public network, and the video monitoring client terminal and video monitoring equipment are located at different private networks, It is connected with public network by NAT gateway equipment respectively, it is characterised in that include：
Video monitoring client terminal, for sending acquisition request video monitoring equipment destination channel Media Stream to video monitoring server Service request message；
The video monitoring server, for query monitor relation table, checks the video monitoring client terminal and video prison Whether control equipment has built up media monitoring relation, if it is not, then the video monitoring client terminal and the video monitoring equipment The detection of UDP simple traversals STUN and STUN for carrying out NAT is passed through, and sets up the video monitoring client terminal and the video monitoring sets Transmission link between standby, the video monitoring equipment issues the video monitoring client terminal the destination channel Media Stream, If it is, continuing；
The video monitoring server, is additionally operable to send the first business chain of multiplexing to video monitoring equipment and video monitoring client terminal The message on road, and send the destination channel media stream service request of the video monitoring client terminal request to video monitoring equipment Message；
Video monitoring equipment, for receiving destination channel media stream service request message, and receives for being multiplexed the first business chain The notice message on road, first service link is the biography that the video monitoring equipment and the video monitoring client terminal have been set up Transmission link；
The video monitoring equipment, is also used for the video monitoring equipment side IP address and port numbers of the first service link As source IP address and source port number, using the IP address and port numbers of the video monitoring client terminal side of the first service link As purpose IP address and destination slogan, send destination channel media stream service to the video monitoring client terminal and set up notice Message, the business set up notice message carry the video monitoring equipment private network IP address, expect private network port numbers and Destination channel is identified, described to expect that private network port numbers are that the desired of video monitoring equipment transmission destination channel Media Stream makes Private network port numbers；
The NAT gateway equipment of outlet that the video monitoring equipment is located, for filling institute in setting up notice message in the business State the expectation public network port number that the public network IP address, the expectation private network port numbers that private network IP address is converted to is converted to；
The video monitoring client terminal, is additionally operable to receive the business and sets up notice message, if what is carried in the message is logical Road mark is identical with the gap marker of request, then set up public network IP address described in notice message and the expectation to the business Public network port number sends business drain message, sets up the second business of the video monitoring equipment and the video monitoring client terminal Link, the drain message carries destination channel mark；
The video monitoring equipment, is additionally operable to be sent using second service link Media Stream of the destination channel to institute State video monitoring client terminal.
CN201410406922.2A 2014-08-18 2014-08-18 Method and device for playing multiple media streams on demand Active CN104168457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410406922.2A CN104168457B (en) 2014-08-18 2014-08-18 Method and device for playing multiple media streams on demand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410406922.2A CN104168457B (en) 2014-08-18 2014-08-18 Method and device for playing multiple media streams on demand

Publications (2)

Publication Number Publication Date
CN104168457A CN104168457A (en) 2014-11-26
CN104168457B true CN104168457B (en) 2017-05-17

Family

ID=51912062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410406922.2A Active CN104168457B (en) 2014-08-18 2014-08-18 Method and device for playing multiple media streams on demand

Country Status (1)

Country Link
CN (1) CN104168457B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105721625A (en) * 2016-02-03 2016-06-29 迈普通信技术股份有限公司 Method for implementing communication between private network devices, private network devices and center end device
CN105933198B (en) * 2016-04-21 2020-01-14 浙江宇视科技有限公司 Device for establishing direct connection VPN tunnel
CN106412505A (en) * 2016-09-29 2017-02-15 浙江大华技术股份有限公司 Video display method and apparatus in P2P mode
CN106454416B (en) * 2016-10-21 2019-12-13 浙江宇视科技有限公司 synchronous playback method and device
CN107027007B (en) * 2017-04-12 2019-07-05 南京三宝弘正视觉科技有限公司 A kind of video sharing method and system
CN110366008B (en) * 2018-03-26 2021-10-08 阿里巴巴（中国）有限公司 Multimedia resource request identification method, device and storage medium
CN110891185A (en) * 2019-11-21 2020-03-17 深圳警翼软件技术有限公司 Method for realizing distributed storage of acquisition workstations in internet scene without public network IP address
CN112449111A (en) * 2020-11-13 2021-03-05 珠海大横琴科技发展有限公司 Monitoring equipment processing method and device
CN114363665B (en) * 2021-12-16 2023-11-07 深圳市捷视飞通科技股份有限公司 Multi-service code stream pushing method, system, computer equipment and storage medium
CN114866854B (en) * 2022-04-20 2023-12-05 杭州博联智能科技股份有限公司 Video access mode dynamic allocation method, system, electronic equipment and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101094159A (en) * 2007-07-18 2007-12-26 中兴通讯股份有限公司 Method for penetrating through private network of media stream
CN101465858A (en) * 2008-12-31 2009-06-24 中兴通讯股份有限公司 Method for implementing private network penetration of monitoring business, network appliance and server
CN103716589A (en) * 2013-12-26 2014-04-09 浙江宇视科技有限公司 Method and device for reducing NVR live forwarding relay

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102148879A (en) * 2010-10-22 2011-08-10 华为技术有限公司 Port mapping method and device and communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101094159A (en) * 2007-07-18 2007-12-26 中兴通讯股份有限公司 Method for penetrating through private network of media stream
CN101465858A (en) * 2008-12-31 2009-06-24 中兴通讯股份有限公司 Method for implementing private network penetration of monitoring business, network appliance and server
CN103716589A (en) * 2013-12-26 2014-04-09 浙江宇视科技有限公司 Method and device for reducing NVR live forwarding relay

Also Published As

Publication number Publication date
CN104168457A (en) 2014-11-26

Similar Documents

Publication Publication Date Title
CN104168457B (en) Method and device for playing multiple media streams on demand
CN105656680B (en) Network camera control method and device
KR101758681B1 (en) Communication system, and data transmitting method in the system
CN103957287A (en) Internet of things device P2P connection method based on NAT penetration adapter
CN102843442B (en) Method for configuring networked cameras
CN102404396B (en) Method, device and system for identifying peer-to-peer (P2P) flow and equipment
CN109391704B (en) Cross-private-network access method and device for video monitoring equipment
US20130339509A1 (en) Networking systems
CN105847343B (en) Public network information detection method, apparatus and system for point-to-point transmission
CN102143172B (en) Method and equipment for transmitting video data
CN105553809B (en) A kind of STUN tunnel management method and device
CN106716939A (en) Improved qos in data stream delivery
CN104243520A (en) Remote monitoring method, device and system
CN103036789B (en) File transmitting method, device and network gateway devices
CN106331195B (en) Data receiving and sending method and device
KR100844380B1 (en) Appratus for managing subscriber terminal and method thereof, recording medium for realizing the same
EP2690832B1 (en) Communication device, communication system, and communication method
CN112019563B (en) Video data forwarding and transmitting system and method
CN106789999B (en) Method and device for tracking video source
CN104506405A (en) Method and device for cross-domain access
CN102075588A (en) Method and system for realizing network address translation (NAT) transversing and equipment
CN102904761A (en) NVR (network video recorder) stacking method and NVR
CN104410841A (en) MAC (media access control) layer based connection method and device
KR101828546B1 (en) Surveillance system
JP6317630B2 (en) Tunnel connection device, tunnel termination device, connection control method, and program

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant