CN108810579A - A kind of video data requesting method, association turn server and regard networked server - Google Patents

A kind of video data requesting method, association turn server and regard networked server Download PDF

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Publication number
CN108810579A
CN108810579A CN201710617674.XA CN201710617674A CN108810579A CN 108810579 A CN108810579 A CN 108810579A CN 201710617674 A CN201710617674 A CN 201710617674A CN 108810579 A CN108810579 A CN 108810579A
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China
Prior art keywords
server
data
target video
video
target
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CN201710617674.XA
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Chinese (zh)
Inventor
秦鹏
方小帅
李云鹏
王艳辉
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Beijing Visionvera International Information Technology Co Ltd
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Beijing Visionvera International Information Technology Co Ltd
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Priority to CN201710617674.XA priority Critical patent/CN108810579A/en
Publication of CN108810579A publication Critical patent/CN108810579A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25816—Management of client data involving client authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Computer Graphics (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Turn server the present invention provides a kind of video data requesting method, association and regard networked server, is related to regarding networking technology field.This method turns server by association and receives the target video request for regarding networked server and sending, and target video request is requested to generate according to the initial video sent depending on networked terminals depending on networked server；And it is asked to target video source front end request target video data according to target video；Then, association turns server and is converted to the target video data based on real time streaming transport protocol RTSP that the target video source front end received is sent based on the target regarding networking protocol regarding networking data, finally, association turns server and is sent to target regarding networked server depending on networking data, enable and is sent to target regarding networked terminals depending on networking data depending on networked server, solve the problems, such as that user can not be by watching the video transmitted based on RTSP agreements depending on networked terminals in the prior art, extend user watches range.

Description

A kind of video data requesting method, association turn server and regard networked server
Technical field
The present invention relates to regarding networking technology field, more particularly to a kind of video data requesting method, association turn server with And regard networked server.
Background technology
Currently, most of video source front end also has common agreement, example other than supporting respective proprietary protocol Such as, real time streaming transport protocol (Real Time Streaming Protocol, RTSP).That is, most of video source client Video data can be based on RTSP agreements and transmit.
Option is watched depending on on-line customer, need by playing regarding based on RTSP agreements depending on networked terminals in order to abundant Frequently.
When the video data for needing viewing to be transmitted based on RTSP agreements regarding on-line customer, since RTSP agreements are transmission controls Agreement/Internet protocol (Transmission Control Protocol/Internet Protocol, TCP/IP) protocol entity processed An application layer protocol in system, and be to regard networking protocol applied to data link layer depending on the agreement that networking uses.Due to passing The difference of defeated agreement, the video data based on RTSP agreements can not transmit in depending on networking, cause user can not be by regarding networking Terminal watches the video data based on RTSP agreements.
Invention content
In view of the above problems, it is proposed that the embodiment of the present invention overcoming the above problem or at least partly in order to provide one kind A kind of video data requesting method for solving the above problems, association turn server and regard networked server.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of video data requesting method, this method is applied to Depending in networking, which includes that association turns server, should depending on networked server, target video source front end and regarding networked terminals Method includes：
The association turns server and receives the target video request sent regarding networked server；The target video request It is that the initial video sent depending on networked terminals according to depending on networked server requests to generate；
The association, which turns server, to be asked according to the target video to target video source front end request target video counts According to；
The association turns the mesh based on real time streaming transport protocol RTSP that server receives the transmission of target video source front end Mark video data；
The association turns server and is converted to the target video data based on RTSP agreements based on regarding networking protocol Target regards networking data；
The association turn server by the target regard networking data be sent to it is described regard networked server, it is described to regard networking and take Business device is used to the target being sent to depending on networking data described regarding networked terminals.
Optionally, the target video request includes video source number；
The association turns server to be asked to regard to target video source front end request target according to the target video Frequency according to the step of include：
The association turns the video source that server obtains in the target video request and numbers；
The association turns server and searches video corresponding with video source number in preset numbered address corresponds to table Source front end address, and the corresponding video source front end address is determined as target video source front end address；
The association turns server and sends foundation to target video source front end according to target video source front end address Connection request, in order to which target video source front end carries out authentication；
If the authentication passes through, the association turns server and sends target video transmission to target video source front end Request is to ask the target video data.
Optionally, the target video data by least one realtime transmission protocol RTP data packet group at；
The association turns server and is converted to the target video data based on RTSP agreements based on regarding networking association The target of view regards the step of networking data, including：
The association turns the message header that server deletes each RTP data packets in the target video data, obtains by multiple The original video data of raw data packets composition；The raw data packets are made of RTP message bodies；
The association turns server according to original video data described in predetermined manner cutting, obtains at least one pending video Block；
It is that the addition of each pending data block obtains regarding networking data packet by multiple depending on networking packet header that the association, which turns server, Composition regards networking data based on the target regarding networking protocol.
Optionally, the association turns server according to original video data described in predetermined manner cutting, obtains at least one The step of a pending video block, including：
The association turns frame information of the server according to each raw data packets in the original video data, is conversion with frame The original video data is combined as multiple frame data packets by unit；
The association turns the Frame Properties of data in each frame data packet of server-tag, and the Frame Properties is key frame, difference One kind in frame and two-way difference frame；
The association turns server for each frame data packet in the multiple frame data packet, by the frame data packet according to Default size cutting is at least one pending data block, and is described at least one wait for according to the Frame Properties of the frame data packet It handles data block and adds attribute specification information.
Optionally, the default size is 1024 kilobytes.
To solve the above-mentioned problems, the embodiment of the invention also discloses a kind of video data requesting method, this method applications In in networking, it included assisting to turn server that should regard networking, depending on networked server, target video source front end and regarding networked terminals, This method includes：
It is described to receive the initial video request sent regarding networked terminals regarding networked server；
It is described to request to generate target video request according to the initial video depending on networked server；
It is described depending on networked server by the target video request be sent to it is described association turn server.
Optionally, the step for requesting to generate target video request according to the initial video depending on networked server Suddenly, including：
The networked server that regards parses the initial video request, and obtains regarding in the initial video request after parsing Frequency source is numbered；
The networked server that regards numbers generation target video request according to the video source；Wherein, the target video Request includes the video source number.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of associations for video data request to turn server, The association turns server application in networking, which includes that the association turns server, depending on networked server, target video Source front end and regard networked terminals；
The association turns server and includes：
First receiving module, for receiving the target video request sent regarding networked server；The target video Request is that the initial video sent depending on networked terminals according to depending on networked server requests to generate；
Request module, for being asked to target video source front end request target video counts according to the target video According to；
Second receiving module, for receive the target video source front end transmission based on real time streaming transport protocol RTSP's Target video data；
Conversion module, for being converted to the target video data based on RTSP agreements based on the mesh regarding networking protocol Mark regards networking data；
Sending module, it is described regarding networked server for the target to be sent to depending on networking data, it is described to regard networking clothes Business device is used to the target being sent to depending on networking data described regarding networked terminals.
Optionally, the request module includes：
Acquisition submodule, for obtaining the video source number in the target video request；
Submodule is searched, for searching video corresponding with video source number in preset numbered address corresponds to table Source front end address, and the corresponding video source front end address is determined as target video source front end address；
First sending submodule, for being sent to target video source front end according to target video source front end address Connection request is established, in order to which target video source front end carries out authentication；
Second sending submodule sends target to target video source front end and regards if passing through for the authentication Defeated request is kept pouring in ask the target video data.
Optionally, the conversion module, including：
Submodule is deleted, the message header for deleting each RTP data packets in the target video data is obtained by multiple The original video data of raw data packets composition；The raw data packets are made of RTP message bodies；
Cutting submodule, for according to original video data described in predetermined manner cutting, obtaining at least one pending regard Frequency block；
Submodule is added, networking data packet is regarded by multiple for being obtained depending on networking packet header for the addition of each pending data block Composition regards networking data based on the target regarding networking protocol.
Optionally, the cutting submodule, is additionally operable to：
It, will be described original by conversion unit of frame according to the frame information of each raw data packets in the original video data Video data is combined as multiple frame data packets；
It is key frame, difference frame and two-way difference to mark the Frame Properties of data in each frame data packet, the Frame Properties One kind in frame；
For each frame data packet in the multiple frame data packet, it is according to default size cutting by the frame data packet At least one pending data block, and be that at least one pending data block adds according to the Frame Properties of the frame data packet Attribute specification information.
Optionally, the default size is 1024 kilobytes.
To solve the above-mentioned problems, the Internet services being regarded for video data request the embodiment of the invention discloses a kind of Device, the networked server that regards are applied to regard in networking, and described to regard networking include assisting to turn server, described regarding the Internet services Device, target video source front end and regard networked terminals, it is described to include depending on networked server：
Receiving module, for receiving the initial video request sent regarding networked terminals；
Generation module requests to generate target video request depending on networked server for described according to the initial video；
Sending module, for it is described depending on networked server by the target video request be sent to it is described association turn server.
Optionally, the generation module, including：
Analyzing sub-module regards networked server for described in and parses the initial video request, and obtains first after parsing Video source number in beginning video request；
Submodule is generated, target video request is generated according to video source number for the networked server that regards；Its In, the target video request includes the video source number.
The embodiment of the present invention includes following advantages：
Video data requesting method provided in an embodiment of the present invention, association, which turns server, to be sent according to video network server Target video ask to target video source front end request target video data, in the base for receiving the transmission of target video source front end After the target video data of real time streaming transport protocol RTSP, which can be converted To regard networking data based on the target regarding networking protocol, so, server is turned by association and sends out the target regarding networking data It gives and regards networked server so that target can be sent to depending on networking data regarding networked terminals, solved depending on networked server The problem of user can not be by watching the video transmitted based on RTSP agreements depending on networked terminals in the prior art, extends user's It can watch range.
Description of the drawings
Fig. 1 is a kind of networking schematic diagram regarding networking of the present invention；
Fig. 2 is a kind of hardware architecture diagram of node server of the present invention；
Fig. 3 is a kind of hardware architecture diagram of access switch of the present invention；
Fig. 4 is that a kind of Ethernet association of the present invention turns the hardware architecture diagram of gateway；
Fig. 5 is a kind of step flow chart of video data requesting method embodiment of the present invention；
Fig. 6 is the step flow chart of another video data requesting method embodiment of the present invention；
Fig. 7 is the step flow chart of another video data requesting method embodiment of the present invention；
Fig. 8 is that a kind of association for video data request of the embodiment of the present invention turns the block diagram of server；
Fig. 9 is that the another kind of the embodiment of the present invention turns the block diagram of server for the association of video data request；
Figure 10 is a kind of block diagram regarding networked server for video data request of the embodiment of the present invention；
Figure 11 is that the another kind of the embodiment of the present invention is used for the block diagram regarding networked server of video data request.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can realize HD video real-time Transmission, Push numerous the Internet, applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program requests, TV Mail, individual character recording (PVR), Intranet (manage) channel, intelligent video Broadcast Control, information publication by oneself All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, word, communication, data, by TV or Computer realizes that high-definition quality video plays.
To make those skilled in the art more fully understand the embodiment of the present invention, below to being introduced depending on networking：
Depending on networking, applied portion of techniques is as described below：
Network technology (Network Technology)
Network technology innovation depending on networking improves traditional ethernet (Ethernet), potential huge on network to face Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network Switching), Streaming demands are met using Packet Switching depending on networking technology.Has grouping depending on networking technology Flexible, the simple and low price exchanged, is provided simultaneously with quality and the safety assurance of circuit switching, it is virtually electric to realize the whole network switch type The seamless connection of road and data format.
Switching technology (Switching Technology)
Depending on two advantages of asynchronous and packet switch networked using Ethernet, it is scarce under the premise of complete be compatible with to eliminate Ethernet It falls into, has the end-to-end seamless connection of the whole network, direct user terminal directly carries IP data packets.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can realizes at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous Internet video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy Enough include signaling and data transmission.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and State-of-the-art real time operating system is used, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits for typical time to be less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internets ad eundem IP, but The concurrent flow more than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Structural design depending on networking by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, fire wall generally, has prevented black The attack of visitor and virus, provide structural carefree secure network to the user.
Service innovative technology (Service Innovation Technology)
Business and transmission are merged by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is substituted using " menu type " with table schema traditional Complicated applications program, and can use considerably less code that complicated application can be realized, and realize the new business innovation of " endless ".
Networking depending on networking is as described below：
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.
Fig. 1 is a kind of networking schematic diagram regarding networking of the present invention, as shown in Figure 1, being divided into access net and metropolitan area depending on networking Net two parts.
The equipment of access mesh portions can be mainly divided into 3 classes：Node server, access switch, terminal (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and Ethernet can be connected.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes：Metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat Platform can be formed regarding networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes depending on the equipment in networking：Server, interchanger (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or National net, World Wide Web etc.) and access net.
The equipment of 1.2 wherein access mesh portions can be mainly divided into 3 classes：Node server, access switch (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The particular hardware structure of each access network equipment is：
Node server：
Fig. 2 is a kind of hardware architecture diagram of node server of the present invention, as shown in Fig. 2, mainly being connect including network Mouth mold block 201, switching engine module 202, CPU module 203, disk array module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine Module 202；Switching engine module 202 to the packet come in look into the operation of address table 205, to obtain the navigation information of packet； And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded if meeting the following conditions：1) port It is less than to send caching；2) the queue package counting facility is more than zero.Disk array module 204 mainly realizes the control to hard disk, including The operations such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown) Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table) Configuration, and, the configuration to disk array module 204.
Access switch：
Fig. 3 is a kind of hardware architecture diagram of access switch of the present invention, as shown in figure 3, mainly being connect including network Mouth mold block (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, Corresponding flow identifier (stream-id) is then distributed, and enters switching engine module 303, is otherwise abandoned；Uplink network interface mould The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine Module 303；Switching engine module 303 to the packet come in look into the operation of address table 306, to obtain the navigation information of packet； It is gone toward uplink network interface if the packet into switching engine module 303 is downstream network interface, in conjunction with flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention：
It is gone toward uplink network interface if the queue is downstream network interface, meets the following conditions and be forwarded：1) It is less than that the port sends caching；2) the queue package counting facility is more than zero；3) token that rate control module generates is obtained；
It is gone toward uplink network interface if the queue is not downstream network interface, meets the following conditions and be forwarded： 1) it is less than to send caching for the port；2) the queue package counting facility is more than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval The pack buffer queue that interface is gone toward uplink network interface generates token, to control the code check of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and, Configuration to rate control module 308.
Ethernet association turns gateway：
Fig. 4 is that a kind of Ethernet association of the present invention turns the hardware architecture diagram of gateway, as shown in figure 4, including mainly net Network interface module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, pack buffer 407 and MAC add modules 409, MAC are deleted Except module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined The ethernet mac DA of measured data packet, ethernet mac SA, Ethernet length or frame type, networking mesh way address is regarded DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing modules 410 (2byte), and enter corresponding order caching, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, if there is Bao Ze regarding with networking mesh according to packet Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal：
Include mainly Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board includes mainly Network Interface Module, video encoding engine Module, CPU module；Memory includes mainly Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes：Node server, node switch, metropolitan area server. Wherein, node switch includes mainly Network Interface Module, switching engine module and CPU module；Metropolitan area server includes mainly Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
The data packet for accessing net includes mainly following sections：Destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。
As shown in the table, the data packet for accessing net includes mainly following sections：
DA SA Reserved Payload CRC
Wherein：
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address, Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The parts payload have different length according to the type of different datagrams, are if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and computational methods follow the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment 2 kinds can be all can exceed that between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is unique, is closed to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention：Label uniquely describes a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between device A and equipment B there are two connection, then data packet from device A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to device A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of device A is 0x0000, and the label (outgoing label) when this data packet leaves device A may reform into 0x0001.The networking flow of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution is all dominated by metropolitan area server, and node switch, node server are all passive execution, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) includes mainly following sections：
DA SA Reserved Label Payload CRC
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its In, the format of label, which can refer to, such as gives a definition：Label is 32bit, wherein high 16bit retains, only with low 16bit, its position Set is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic regarding networking, it is proposed that one of the core concepts of the embodiments of the present invention, turning server by association will Target video data based on RTSP agreements is converted to regards networking data based on the target regarding networking protocol, is then issued to regarding networking Server, so as to can be sent to target regarding networked terminals depending on networking data depending on networked server.
With reference to Fig. 5, show that a kind of step flow chart of video data requesting method embodiment of the present invention, this method are answered May include that association turns server for regarding in networking, in the video network, depending on networked server, target video source front end and regarding networking Terminal, this method can specifically include following steps：
Step 501, the association turn server and receive the target video request sent regarding networked server.
In the embodiment of the present invention, target video request can regard networked server according to regarding the first of networked terminals transmission What beginning video request generated.In practical application, depending on networked server can manage it is at least one regard networked terminals, should regard networking Terminal can be set-top box (Set Top Box, STB), commonly referred to as box on set-top box or machine, be a connection television set with it is outer The equipment of portion's signal source, the digital signal of compression can be changed into television content by it, and be shown on a television set.It is general and Speech, set-top box can connect camera and microphone, can also for acquiring the multi-medium datas such as video data and audio data Television set is connected, for multi-medium datas such as playing video data and audio datas.When user wants to receive by regarding networked terminals When seeing the video based on RTSP agreements, video request can be sent to regarding networked server by regarding networked terminals, be taken depending on networking Device be engaged in after receiving the video request, target video request can be generated according to the video request, and be sent to association and turn clothes Business device, at this point, association, which turns server, can receive the target video request sent regarding networked server.
Step 502, the association, which turn server, to be asked to ask mesh to target video source front end according to the target video Mark video data.
Wherein, target video request includes video source number, which refers to that the video source is compiled Number corresponding video source front end, target video data refer to the data that the target video source front end provides.Association turns server and exists After receiving target video request, the video source number in target video request can be obtained, by video source number pair The video source front end answered is determined as target video source front end, the address of the target video source front end is then determined, to be regarded to target Frequency source front end request target video data.
Step 503, it is described association turn server receive the target video source front end transmission based on real time streaming transport protocol The target video data of RTSP.
In the embodiment of the present invention, when association turns server to target video source front end request target video data, target Video source front end can verify the identity that association turns server, if authentication success, target video source front end can turn service to association Device send target video data, at this point, association turn server can receive target video source front end transmission based on real-time streaming transport The target video data of agreement RTSP.
Step 504, the association turn server and are converted to the target video data based on RTSP agreements based on regarding connection The target of fidonetFido regards networking data.
In the embodiment of the present invention, the video data of target video source front end is all based on the transmission of RTSP agreements.Due to it It is transmitted according to RTSP agreements, therefore the data of the target video source front end can not be transmitted in depending on networking, and then causes to use It family can not be by watching the video based on RTSP agreements depending on networked terminals.In this step, association, which turns server, will be based on RTSP agreements Target video data be converted to based on the target regarding networking protocol regard networking data, such target video data can regarding It is transmitted in networking, and then realizes user by watching the video based on RTSP agreements depending on networked terminals.
Step 505, the association turn server by the target regard networking data be sent to it is described regarding networked server, it is described It is used to the target being sent to depending on networking data depending on networked server described regarding networked terminals.
In the embodiment of the present invention, due to the target depending on networking data be based on regarding networking protocol, can be regarding connection It is transmitted in net, association turns server and is sent to the target after networked server depending on networking data, can be with depending on networked server The target is sent to depending on networking data regarding networked terminals, to meet the viewing demand of user.
In conclusion video data requesting method provided in an embodiment of the present invention, association turns server can be according to video network The target video that server is sent is asked to target video source front end request target video data, before receiving target video source After holding the target video data based on real time streaming transport protocol RTSP sent, which can be regarded Frequency is according to being converted to based on the target regarding networking protocol regarding networking data, so, turns server by association and regards the target Networking data is sent to regarding networked server so that can be sent to target regarding networking eventually depending on networking data depending on networked server End solves the problems, such as that user can not be expanded by watching the video transmitted based on RTSP agreements depending on networked terminals in the prior art That has opened up user watches range.
With reference to Fig. 6, the step flow chart of another video data requesting method embodiment of the present invention, this method are shown Applied in networking, it may include that association turns server that should regard in networking, regards networked server, and target video source front end and regarding joins Network termination, this method can specifically include following steps：
Step 601, the initial video request regarding regarding networked terminals transmission described in networked server reception.
It, can be with when user wants by watching the video based on RTSP agreements depending on networked terminals in the embodiment of the present invention By regarding networked terminals initial video request is sent to regarding networked server.Wherein, can include in initial video request Video source number and the identity (Identity, ID) regarding networked terminals.
Step 602, it is described depending on networked server according to the initial video request to generate target video request.
Depending on networked server after receiving initial video request, initial video request can be parsed, and obtain Initial video source number and the ID regarding networked terminals, then record the ID depending on networked terminals, regeneration includes There is the target video request that video source is numbered to be sent to association and turns server.
Step 603, it is described depending on networked server by the target video request be sent to it is described association turn server.
In the embodiment of the present invention, turn server by the way that target video request is sent to association depending on networked server so that association Turn server according to the corresponding target video data of target video acquisition request and can be converted to mesh by target video data Mark regards networking data, returns to regarding networked server, is regarded in this way, can be sent to target depending on networking data depending on networked server Networked terminals, and then user is realized by watching the video transmitted based on RTSP agreements depending on networked terminals, extend user's It can watch range.
In conclusion video data requesting method provided in an embodiment of the present invention, it can be according to reception depending on networked server To the initial video sent by video network termination request to generate target video request, and by the target video request be sent to Association turns server so that association, which turns server, can ask according to the target video to target video source front end request target video counts According to, can be with after the target video data based on real time streaming transport protocol RTSP for receiving the transmission of target video source front end The target video data based on RTSP agreements is converted to, networking data is regarded based on the target regarding networking protocol, so, Turn server by association to be sent to the target regarding networked server depending on networking data so that can be by target depending on networked server It is sent to regarding networked terminals depending on networking data, solving user in the prior art can not be by watching depending on networked terminals based on RTSP The problem of video of agreement transmission, extend user watches range.
With reference to Fig. 7, the step flow chart of another video data requesting method embodiment of the present invention, this method are shown It can be applied to be applied to regard in networking, may include that association turns server in the video network, depending on networked server, target video source Front end and regard networked terminals, can specifically include following steps：
Step 701, the initial video request regarding regarding networked terminals transmission described in networked server reception.
It, can be with when user wants by watching the video based on RTSP agreements depending on networked terminals in the embodiment of the present invention By regarding networked terminals initial video request is sent to regarding networked server.Exemplary, user is by regarding networked terminals to regarding connection Network server sends the process that initial video is asked：Setting is for RTSP video sources on the menu regarding networked terminals Submenu may include multiple options in the submenu, wherein each option corresponds to a RTSP video sources front end, each regards Frequency source front end can all correspond to a video source number, and each RTSP video sources front end can provide different videos.User can be with Networked terminals are regarded to regarding networked server transmission initial video request by selecting the option on the submenu to trigger.
Assuming that the option provided in the RTSP video source submenus of setting is：Option 1, option 2 and option 3；This three The video source of the corresponding video source front end of option is numbered：Number 01, number 02 and number 03；Assuming that user is in ID Option 2 is selected on 001 submenu depending on the offer of networked terminals, then being somebody's turn to do can be to regarding networked server depending on networked terminals It is 001 to send ID, the initial video request that number is 02；
Step 702, it is described depending on networked server according to the initial video request to generate target video request.
Specifically, step 702 may include：
Step 7021, the networked server that regards parse the initial video request, and obtain the initial video after parsing Video source number in request.
It is exemplary, with 701 Union of Central Vision's network termination of above-mentioned steps to regarding the ID that networked server is sent as 001, number 02 Initial video request for, depending on networked server can parse the initial video request, obtain the video in the video request Source number 02.
Step 7022, the networked server that regards number generation target video request according to the video source；Wherein, described Target video request includes the video source number.
It is exemplary, target video request can be generated according to video source number 02 depending on networked server, which asks It includes the video source number 02 to ask.
Step 703, it is described depending on networked server by the target video request be sent to it is described association turn server.
In the embodiment of the present invention, turn server by the way that target video request is sent to association depending on networked server so that association Turn server according to the corresponding target video data of target video acquisition request and can be converted to mesh by target video data Mark regards networking data, returns to regarding networked server, is regarded in this way, can be sent to target depending on networking data depending on networked server Networked terminals, and then user is realized by watching the video transmitted based on RTSP agreements depending on networked terminals, extend user's It can watch range.
Step 704, the association turn server and receive the target video request sent regarding networked server.
Wherein, target video request is requested to generate according to the initial video sent depending on networked terminals depending on networked server 's.It should be noted that in the implementation of the present invention, can association be turned server in advance and be connected with depending on networked server, i.e., It is exactly that association, which is turned server access, to be regarded in networking, can ensure that the association turns server and can be carried out with depending on networked server in this way Data communicate.
Step 705, the association, which turn server, to be asked to ask mesh to target video source front end according to the target video Mark video data.
Specifically, step 705 may include：
Step 7051, the association turn the video source that server obtains in the target video request and number.
In this step, association turns server can be by parsing target video request, and then the target after extraction parsing regards Required parameter in frequency request, the required parameter are video source number.It is exemplary, it is assumed that the required parameter extracted is 02, It can so determine that video source number is 02.
Step 7052, the association turn server and are searched in preset numbered address corresponds to table and video source number pair The video source front end address answered, and the corresponding video source front end address is determined as target video source front end address.
It is to be stored in advance in association to turn correspondence table in server that the preset numbered address, which corresponds to table, can be in the correspondence table Address including all video source front ends and corresponding video source number.The video source number got with above-mentioned steps is 02 For, it is assumed that it is b2 that the preset numbered address, which corresponds to video source corresponding with number 02 front end address in table, then can be true The address of the video source that sets the goal front end is b2.
Step 7053, the association turn server according to target video source front end address to target video source front end Connection request is established in transmission, in order to which target video source front end carries out authentication.
Establishing in connection request in this step can include identity information, which can be that association turns server Mark, this establish connection request can be expressed as " SETUP " request.Target video source front end receive the foundation connection ask It can turn server to association after asking and carry out authentication, specific authentication process itself can be：
Target video source front end obtains the mark established in connection request；Judge that this is identified whether as registered mark； If this is identified as the mark registered in target video source front end, then authentication success is thought.At this point, target video Source front end can turn server to association and send connection confirmation message, and association turns server after receiving the connection confirmation message, can With further to target video source front end request target video data；If the mark is not registered in target video source front end It crosses, then target video source front end can turn server to association sends refusal connection message.
In practical application, association turns server to send to target video source front end to include username and password information Request is established in connection, and target video source front end can turn server to association and carry out body using username and password as verification information Part verification, the embodiment of the present invention are not construed as limiting this.
If step 7054, the authentication pass through, the association turns server and sends mesh to target video source front end Transmission of video request is marked to ask the target video data.
Association turns server after the connection confirmation message for receiving the transmission of target video source front end, it may be considered that identity It is verified, connection is successfully established.It is connected with depending on networked server since association turns server, association turns server and target regards After the connection of frequency source front end is successfully established, it is believed that target video source front end access regards in networking.At this point, association turns service Device can send target video transmission request to target video source front end, be regarded obtain that the target video source front end provided Frequently.
Target video source front end in the embodiment of the present invention can be the video library or other supports RTSP of monitoring producer Video producer of agreement etc..Assuming that target video source front end is the video library for monitoring producer, then the target video data can To be the real time monitoring video for monitoring producer, the history monitor video of producer can also be monitored, the embodiment of the present invention does not make this It limits.If obtaining history monitor video, user can be when sending initial video request by regarding networked terminals, can To add video time information in initial video request, it is asked receiving the initial video depending on networked server in this way Afterwards, server can be turned to association and send the target video request comprising the video time information, regarded with this in this way, can get The corresponding history video data of frequency temporal information.
Step 706, it is described association turn server receive the target video source front end transmission based on real time streaming transport protocol The target video data of RTSP.
In the embodiment of the present invention, when association turns server to target video source front end request target video data, target Video source front end can verify the identity that association turns server, if authentication success, target video source front end can turn service to association Device send target video data, at this point, association turn server can receive target video source front end transmission based on real-time streaming transport The target video data of agreement RTSP.
Step 707, the association turn the message header that server deletes each RTP data packets in the target video data, obtain To the original video data being made of multiple raw data packets.
In the embodiment of the present invention, target video data is by least one real-time transport protocol (Real-time Transport Protocol, RTP) data packet group at.Since RTSP agreements belong to Real-time Transport Protocol, it is generally basede on the video data of RTSP agreements all It is to be transmitted in the form of RTP data packets.Typically will during transmission objectives video data target video source front end Original video data is encapsulated in the message body of RTP data packets, then adds RTP message headers for each RTP message bodies, you can is realized Based on RTSP agreement transmitting video datas.
In this step, by deleting the message header of each RTP data packets, it can obtain being made of multiple raw data packets Original video data, wherein raw data packets are made of RTP message bodies.It is exemplary, it is assumed that target video data is by 5 RTP Data packet group at, the message header of 5 RTP data packets can be deleted, obtain 5 raw data packets, 5 raw data packets Form original data stream.
Step 708, the association turn server according to original video data described in predetermined manner cutting, obtain at least one wait for Handle video block.
Specifically, step 708 may include：
Step 7081, the association turn frame information of the server according to each raw data packets in the original video data, The original video data is combined as multiple frame data packets using frame as conversion unit.
Wherein, frame information includes packet serial number in frame number and frame.Wherein frame number indicates the number in the raw data packets According to corresponding frame, packet serial number indicates serial number of the raw data packets in corresponding frame in frame.
It is exemplary, it is assumed that the frame information of 5 raw data packets is respectively：The frame number of raw data packets 1 is 1, in frame Packet serial number 1；The frame number of raw data packets 2 is 1, packet serial number 2 in frame；The frame number of raw data packets 3 is 1, packet in frame Serial number 3；The frame number of raw data packets 4 is 2, packet serial number 1 in frame；The frame number of raw data packets 5 is 2, Bao Xu in frame Number be 2；As can be seen that original video data includes in total two frame data, wherein frame 1 is by raw data packets 1, raw data packets 2 And raw data packets 3 form, frame 2 is made of raw data packets 4 and raw data packets 5.
It, can be by raw data packets 1, original when original video data being combined as multiple frame data packets as conversion unit using frame Beginning data packet 2 and raw data packets 3 are combined as frame data packet 1, and raw data packets 4 and raw data packets 5 are combined as frame Data packet 2.
Step 7082, the association turn the Frame Properties of data in each frame data packet of server-tag, and the Frame Properties is to close One kind in key frame, difference frame and two-way difference frame.
Specifically, key frame (I frames) includes complete picture, when decoding, only needs this frame data；Difference frame (P frames) Including the data with former frame picture difference, expression is difference of this frame with a key frame or difference frame before, solution It needs to be superimposed with the difference of this frame definition with the picture cached before to generate final picture when code；Two-way difference frame (B frames), packet Caching picture before needing to obtain containing the data with former frame picture and a later frame picture difference, when decoding and decoding Picture later obtains final picture by front and back picture with being superimposed for this frame data.
In the embodiment of the present invention, after original video data to be combined as to multiple frame data packets, it may be determined that each frame Then the Frame Properties of data in data packet marks the Frame Properties of data in each frame data packet.By predefining out Frame Properties, The step that the when of being decoded depending on networked terminals determines is saved, saves the response time regarding networked terminals, and then improve user's body It tests, meanwhile, predefine out Frame Properties, it can also be ensured that the normal transmission of video data improves the stability of data transmission.
Step 7083, the association turn server for each frame data packet in the multiple frame data packet, by the frame Data packet is at least one pending data block according to default size cutting, and is described according to the Frame Properties of the frame data packet At least one pending data block adds attribute specification information.
In the embodiment of the present invention, which can be 1024 kilobytes (KB, kilo Byte).Due to original video The size of raw data packets in data is commonly greater than the maximum data size that can be accommodated depending on networking data packet.It is exemplary, one The size of a raw data packets is generally 5000~6000KB sizes, and one is at best able to accommodate 1024KB depending on networking data packet The data of size.Therefore, it is necessary to carry out cutting to original video data.Can be each pending number after cutting completion Attribute specification information is added according to block.The attribute specification information may include affiliated frame number, serial number and Frame Properties in affiliated frame Deng.
It is exemplary, it is assumed that the size of frame data packet 1 be 5500KB, and the frame data packet indicate I frames, frame data packet 2 it is big Small is 5120KB, and the frame data packet indicates P frames.It can be obtained by carrying out cutting to frame data packet 1：Pending data block 1, Pending data block 2, pending data block 3, pending data block 4 and pending data block 5.Wherein, what is obtained is pending Data block 1, pending data block 2, pending data block 3 and pending data block 4 size be 1024KB, pending number Size according to block 5 is 380KB.It should be noted that for last remaining size in a frame data packet less than 1024KB's Data, when cutting can using remaining data as a pending data block, for example, by above-mentioned frame data packet 1 most Remaining size is 380KB data as a pending data block afterwards.It can be avoided the occurrence of in this way by remaining data and next The case where data cutting in frame data packet is a pending data block, can ensure the normal transmission of data.By to frame Data packet 2, which carries out cutting, to be obtained：Pending data block 6, pending data block 7, pending data block 8, pending data Block 9 and pending data block 10.Wherein, the size of the 5 pending data blocks obtained is 1024KB.
Can be pending data block 1, pending data block 2, pending data when adding attribute specification information Block 3, pending data block 4 and pending data block 5 add I frame identifications, since 5 pending data blocks are to pass through cutting What frame data packet 1 obtained, therefore can be that 5 pending data blocks add frame number 1, which corresponds to Frame in serial number be respectively：Pending data block 1 corresponds to 1, pending data block 2 and corresponds to 2, pending data block 3 correspondence 3, waits for It handles data block 4 and corresponds to 4 and the correspondence of pending data block 55；For pending data block 6, pending data block 7, pending number P frame identifications are added according to block 8, pending data block 9 and pending data block 10, since 5 pending data blocks are to pass through What cutting frame data packet 2 obtained, therefore can be that 5 pending data blocks add frame number 2,5 pending data blocks Serial number is respectively in corresponding frame：Pending data block 6 corresponds to 6, pending data block 7 and corresponds to 7, pending data block 8 correspondence 8, pending data block 9 corresponds to 9 and the correspondence of pending data block 10 10.
Can also be that each pending data block adds video data format information, the length and width of video letter in practical application Current time information, etc. when breath and coding, the embodiment of the present invention is not limited thereto.
It is that the addition of each pending data block obtains regarding connection by multiple depending on networking packet header that step 709, the association, which turn server, Network data packet composition regards networking data based on the target regarding networking protocol.
Should may include the contents such as MAC Address, the addresses VMS and protocol type depending on networking packet header in this step.Example , it can be that each pending data block in pending data block 1~10 is added respectively regarding networking packet header, obtain 10 and regard connection Network data packet, this 10 regard networking data packet and form based on the target regarding networking protocol regarding networking data.
Step 710, the association turn server by the target regard networking data be sent to it is described regarding networked server, it is described It is used to the target being sent to depending on networking data depending on networked server described regarding networked terminals.
In the embodiment of the present invention, due to the target depending on networking data be based on regarding networking protocol, can be regarding connection It is transmitted in net, association turns server and is sent to the target after networked server depending on networking data, can be with depending on networked server The target is sent to depending on networking data regarding networked terminals, to meet the viewing demand of user.
Specifically, target is sent to the process depending on networked terminals depending on networking data depending on networked server to be：It will regard ID in the video request that networked terminals are sent regards the destination address of networking data as target, that is, is exactly, by above-mentioned steps 601 Target is sent to corresponding regarding networked terminals the ID of middle record by address, realization depending on networking data as a purpose.In practical application, Target can also be preserved depending on networking data depending on networked server, such user can be by that can see that this is regarded depending on networked terminals Frequently.
In conclusion another kind video request method provided in an embodiment of the present invention, association turns server can be according to video The target video that network server is sent asks, to target video source front end request target video data, receiving target video source It, can be by the target based on RTSP agreements after the target video data based on real time streaming transport protocol RTSP that front end is sent Video data is converted to regards networking data based on the target regarding networking protocol, so, turns server by the target by association It is sent to regarding networked server depending on networking data so that target can be sent to depending on networking data regarding networking depending on networked server Terminal, solve the problems, such as in the prior art user can not by watching the video transmitted based on RTSP agreements depending on networked terminals, The range of watching of user is extended, meanwhile, association turns server when being converted, and can be combined as original video data Frame data packet, predefines out Frame Properties, it can also be ensured that the normal transmission of video data improves the stabilization of data transmission Property.
It should be noted that for embodiment of the method, for simple description, therefore it is all expressed as a series of action group It closes, but those skilled in the art should understand that, the embodiment of the present invention is not limited by the described action sequence, because according to According to the embodiment of the present invention, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art also should Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented Necessary to example.
With reference to Fig. 8, show that a kind of association for video data request of the embodiment of the present invention turns the block diagram of server, tool Body, which turns server 80 and may include：
First receiving module 801, for receiving the target video request sent regarding networked server；The target regards Frequency request is that the initial video sent depending on networked terminals according to depending on networked server requests to generate；
Request module 802, for being asked to target video source front end request target video according to the target video Data；
Second receiving module 803, for receive the target video source front end transmission based on real time streaming transport protocol The target video data of RTSP；
Conversion module 804, for being converted to the target video data based on RTSP agreements based on regarding networking protocol Target regard networking data；
Sending module 805, it is described regarding networked server for the target to be sent to depending on networking data, it is described to regard networking Server is used to the target being sent to depending on networking data described regarding networked terminals.
In conclusion a kind of association for video request provided in an embodiment of the present invention turns server, association turns server can It asks, to target video source front end request target video data, receiving with the target video sent according to video network server After the target video data based on real time streaming transport protocol RTSP that target video source front end is sent, this can be based on RTSP The target video data of agreement is converted to regards networking data based on the target regarding networking protocol, and so, association turns server will The target is sent to depending on networking data regarding networked server so that can be sent to target depending on networking data depending on networked server Depending on networked terminals, solve user in the prior art can not be by watching the video transmitted based on RTSP agreements depending on networked terminals Problem, extend user watches range.
With reference to Fig. 9, show that the another kind of the embodiment of the present invention turns the block diagram of server for the association of video data request, Specifically, the association turns server 90 may include：
First receiving module 901, for receiving the target video request sent regarding networked server；The target regards Frequency request is that the initial video sent depending on networked terminals according to depending on networked server requests to generate；
Request module 902, for being asked to target video source front end request target video data according to the target video；
Second receiving module 903, for receive the target video source front end transmission based on real time streaming transport protocol The target video data of RTSP；
Conversion module 904, for being converted to the target video data based on RTSP agreements based on regarding networking protocol Target regard networking data；
Sending module 905, it is described regarding networked server for the target to be sent to depending on networking data, it is described to regard networking Server is used to the target being sent to depending on networking data described regarding networked terminals.
Optionally, above-mentioned request module 902 may include：
Acquisition submodule 9021, for obtaining the video source number in the target video request；
Submodule 9022 is searched, it is corresponding with video source number for being searched in preset numbered address corresponds to table Video source front end address, and the corresponding video source front end address is determined as target video source front end address；
First sending submodule 9023, for according to target video source front end address to target video source front end Connection request is established in transmission, in order to which target video source front end carries out authentication；
Second sending submodule 9024 sends mesh if passing through for the authentication to target video source front end Transmission of video request is marked to ask the target video data.
Optionally, above-mentioned conversion module 904 may include：
Delete submodule 9041, the message header for deleting each RTP data packets in the target video data, obtain by The original video data of multiple raw data packets compositions；The raw data packets are made of RTP message bodies；
Cutting submodule 9042 at least one waits locating for according to original video data described in predetermined manner cutting, obtaining Manage video block；
Submodule 9043 is added, networking number is regarded by multiple for being obtained depending on networking packet header for the addition of each pending data block Networking data is regarded based on the target regarding networking protocol according to packet composition.
Optionally, above-mentioned cutting submodule 9042, is additionally operable to：
It, will be described original by conversion unit of frame according to the frame information of each raw data packets in the original video data Video data is combined as multiple frame data packets；
It is key frame, difference frame and two-way difference to mark the Frame Properties of data in each frame data packet, the Frame Properties One kind in frame；
For each frame data packet in the multiple frame data packet, it is according to default size cutting by the frame data packet At least one pending data block, and be that at least one pending data block adds according to the Frame Properties of the frame data packet Attribute specification information.
In conclusion another association for video request provided in an embodiment of the present invention turns server, association turns server It can ask, to target video source front end request target video data, receiving according to the target video that video network server is sent After the target video data based on real time streaming transport protocol RTSP sent to target video source front end, this can be based on The target video data of RTSP agreements is converted to regards networking data based on the target regarding networking protocol, so, is turned by association The target is sent to depending on networking data regarding networked server by server so that target can be regarded to networking number depending on networked server Networked terminals are regarded according to being sent to, solving user in the prior art can not be transmitted by being watched depending on networked terminals based on RTSP agreements Video the problem of, extend the range of watching of user, meanwhile, association turns server when being converted, can will be original Video data is combined as frame data packet, predefines out Frame Properties, it can also be ensured that the normal transmission of video data improves number According to the stability of transmission.
Referring to Fig.1 0, show a kind of frame regarding networked server for video data request of the embodiment of the present invention Figure, specifically, should may include depending on networked server 10：
Receiving module 1001, for receiving the initial video request sent regarding networked terminals；
Generation module 1002 requests to generate target video according to the initial video depending on networked server and asks for described It asks；
Target video request is sent to the association turn service by sending module 1003 for described depending on networked server Device.
It, can be according to receiving depending on networked server in conclusion provided in an embodiment of the present invention regard networked server The initial video sent by video network termination requests to generate target video request, and target video request is sent to association and is turned Server so that association, which turns server, can ask according to the target video to target video source front end request target video data, It, can should after the target video data based on real time streaming transport protocol RTSP for receiving the transmission of target video source front end Target video data based on RTSP agreements, which is converted to, so to be passed through based on the target regarding networking protocol regarding networking data Association turns server and is sent to the target regarding networked server depending on networking data so that can target be regarded connection depending on networked server Network data is sent to regarding networked terminals, and solving user in the prior art can not be by watching depending on networked terminals based on RTSP agreements The problem of video of transmission, extend user watches range.
Referring to Fig.1 1, show that the another kind of the embodiment of the present invention is used for the frame regarding networked server of video data request Figure, specifically, should may include depending on networked server 11：
Receiving module 1101, for receiving the initial video request sent regarding networked terminals；
Generation module 1102 requests to generate target video according to the initial video depending on networked server and asks for described It asks；
Target video request is sent to the association turn service by sending module 1103 for described depending on networked server Device.
Optionally, above-mentioned generation module 1102, including：
Analyzing sub-module 1102a parses the initial video request for the networked server that regards, and after obtaining parsing Initial video request in video source number；
Submodule 1102b is generated, is asked according to video source number generation target video depending on networked server for described It asks；Wherein, the target video request includes the video source number.
It, can be according to receiving depending on networked server in conclusion provided in an embodiment of the present invention regard networked server The initial video sent by video network termination requests to generate target video request, and target video request is sent to association and is turned Server so that association, which turns server, can ask according to the target video to target video source front end request target video data, It, can should after the target video data based on real time streaming transport protocol RTSP for receiving the transmission of target video source front end Target video data based on RTSP agreements, which is converted to, so to be passed through based on the target regarding networking protocol regarding networking data Association turns server and is sent to the target regarding networked server depending on networking data so that can target be regarded connection depending on networked server Network data is sent to regarding networked terminals, and solving user in the prior art can not be by watching depending on networked terminals based on RTSP agreements The problem of video of transmission, extend user watches range.
For device embodiments, since it is basically similar to the method embodiment, so fairly simple, the correlation of description Place illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present invention be with reference to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in flow and/or box combination.These can be provided Computer program instructions are set to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine so that is held by the processor of computer or other programmable data processing terminal equipments Capable instruction generates for realizing in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes The device of specified function.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing terminal equipments In computer-readable memory operate in a specific manner so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one flow of flow chart or multiple flows and/or one side of block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows And/or in one box of block diagram or multiple boxes specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also include other elements that are not explicitly listed, or further include for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, limited by sentence " including one ... " Element, it is not excluded that identical wanted there is also other in process, method, article or the terminal device including the element Element.
Server is turned to a kind of video data requesting method provided by the present invention, association above and regards networked server, It is described in detail, principle and implementation of the present invention are described for specific case used herein, the above reality The explanation for applying example is merely used to help understand the method and its core concept of the present invention；Meanwhile for the general technology of this field Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory Bright book content should not be construed as limiting the invention.

Claims (14)

1. a kind of video data requesting method, which is characterized in that the method is applied to regard in networking, and the video network includes Association turns server, regards networked server, target video source front end and regarding networked terminals, the method includes：
The association turns server and receives the target video request sent regarding networked server；The target video request is institute It states and is requested to generate depending on the initial video that networked terminals are sent according to described depending on networked server；
The association, which turns server, to be asked according to the target video to target video source front end request target video data；
It is described association turn server receive the target video source front end transmission the target based on real time streaming transport protocol RTSP regard Frequency evidence；
The association turns server and is converted to the target video data based on RTSP agreements based on the target regarding networking protocol Depending on networking data；
The association turn server by the target regard networking data be sent to it is described regard networked server, it is described regarding networked server It is described regarding networked terminals for the target to be sent to depending on networking data.
2. according to the method described in claim 1, it is characterized in that, target video request includes video source number；
The association, which turns server, to be asked according to the target video to target video source front end request target video counts According to the step of include：
The association turns the video source that server obtains in the target video request and numbers；
The association turns before server searches video source corresponding with video source number in preset numbered address corresponds to table Address is held, and the corresponding video source front end address is determined as target video source front end address；
The association turns server and sends foundation connection to target video source front end according to target video source front end address Request, in order to which target video source front end carries out authentication；
If the authentication passes through, the association turns server and sends target video transmission request to target video source front end To ask the target video data.
3. according to the method described in claim 1, it is characterized in that, the target video data is assisted by least one real-time Transmission Discuss RTP data packet groups at；
The association turns server and is converted to the target video data based on RTSP agreements based on regarding networking protocol Target regards the step of networking data, including：
The association turns the message header that server deletes each RTP data packets in the target video data, obtains by multiple original Data packet group at original video data；The raw data packets are made of RTP message bodies；
The association turns server according to original video data described in predetermined manner cutting, obtains at least one pending video block；
It is that the addition of each pending data block obtains being made of depending on networking data packet multiple depending on networking packet header that the association, which turns server, Based on the target regarding networking protocol regard networking data.
4. according to the method described in claim 3, it is characterized in that, the association turns server according to predetermined manner cutting institute The step of stating original video data, obtaining at least one pending video block, including：
The association turns frame information of the server according to each raw data packets in the original video data, using frame as conversion unit The original video data is combined as multiple frame data packets；
Described assist turns the Frame Properties of data in each frame data packet of server-tag, the Frame Properties be key frame, difference frame with And one kind in two-way difference frame；
The association turns server for each frame data packet in the multiple frame data packet, by the frame data packet according to default Size cutting is at least one pending data block, and is described at least one pending according to the Frame Properties of the frame data packet Data block adds attribute specification information.
5. according to the method described in claim 1, it is characterized in that, the default size is 1024 kilobytes.
6. a kind of video data requesting method, which is characterized in that the method is applied to regard in networking, described to include depending on networking Association turns server, regards networked server, target video source front end and regarding networked terminals, the method includes：
It is described to receive the initial video request sent regarding networked terminals regarding networked server；
It is described to request to generate target video request according to the initial video depending on networked server；
It is described depending on networked server by the target video request be sent to it is described association turn server.
7. wanting the method described in 6 according to right, which is characterized in that described to be asked according to the initial video depending on networked server The step of target video is asked is sought survival into, including：
The networked server that regards parses the initial video request, and obtains the video source in the initial video request after parsing Number；
The networked server that regards numbers generation target video request according to the video source；Wherein, the target video request It include the video source number.
8. a kind of association for video data request turns server, which is characterized in that the association turns server application in regarding networking In, the video network includes that the association turns server, depending on networked server, target video source front end and regarding networked terminals；
The association turns server and includes：
First receiving module, for receiving the target video request sent regarding networked server；The target video request It is that the initial video sent depending on networked terminals according to depending on networked server requests to generate；
Request module, for being asked to target video source front end request target video data according to the target video；
Second receiving module, the target based on real time streaming transport protocol RTSP for receiving the transmission of target video source front end Video data；
Conversion module is regarded for being converted to the target video data based on RTSP agreements based on the target depending on networking protocol Networking data；
Sending module, it is described regarding networked server for the target to be sent to depending on networking data, it is described to regard networked server It is described regarding networked terminals for the target to be sent to depending on networking data.
9. association according to claim 8 turns server, which is characterized in that the request module includes：
Acquisition submodule, for obtaining the video source number in the target video request；
Submodule is searched, before searching video source corresponding with video source number in preset numbered address corresponds to table Address is held, and the corresponding video source front end address is determined as target video source front end address；
First sending submodule is established for being sent to target video source front end according to target video source front end address Connection request, in order to which target video source front end carries out authentication；
Second sending submodule sends target video to target video source front end and passes if passing through for the authentication Defeated request is to ask the target video data.
10. association according to claim 8 turns server, which is characterized in that the conversion module, including：
Submodule is deleted, the message header for deleting each RTP data packets in the target video data is obtained by multiple original Data packet group at original video data；The raw data packets are made of RTP message bodies；
Cutting submodule, for according to original video data described in predetermined manner cutting, obtaining at least one pending video block；
Submodule is added, for obtaining being made of depending on networking data packet multiple depending on networking packet header for the addition of each pending data block Based on the target regarding networking protocol regard networking data.
11. association according to claim 10 turns server, which is characterized in that the cutting submodule is additionally operable to：
It is conversion unit by the original video using frame according to the frame information of each raw data packets in the original video data Data are combined as multiple frame data packets；
It is in key frame, difference frame and two-way difference frame to mark the Frame Properties of data in each frame data packet, the Frame Properties One kind；
According to default size cutting it is at least by the frame data packet for each frame data packet in the multiple frame data packet One pending data block, and be that at least one pending data block adds attribute according to the Frame Properties of the frame data packet Illustrate information.
12. association according to claim 8 turns server, which is characterized in that the default size is 1024 kilobytes.
13. a kind of regarding networked server for video data request, which is characterized in that described to be applied to regard depending on networked server In networking, described depending on networking includes that association turns server, described to regard networked server, target video source front end and whole regarding networking End, it is described to include depending on networked server：
Receiving module, for receiving the initial video request sent regarding networked terminals；
Generation module requests to generate target video request depending on networked server for described according to the initial video；
Sending module, for it is described depending on networked server by the target video request be sent to it is described association turn server.
14. being wanted to regard networked server described in 13 according to right, which is characterized in that the generation module, including：
Analyzing sub-module regards networked server for described in and parses the initial video request, and obtains initially regarding after parsing Video source during frequency is asked is numbered；
Submodule is generated, target video request is generated according to video source number for the networked server that regards；Wherein, institute It includes the video source number to state target video request.
CN201710617674.XA 2017-07-26 2017-07-26 A kind of video data requesting method, association turn server and regard networked server Pending CN108810579A (en)

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CN109873988A (en) * 2019-03-13 2019-06-11 视联动力信息技术股份有限公司 Video monitoring system
CN110072126A (en) * 2019-03-19 2019-07-30 视联动力信息技术股份有限公司 Data request method, association turn server and computer readable storage medium
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