CN109167960B - Method and system for processing video stream data - Google Patents

Method and system for processing video stream data Download PDF

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Publication number
CN109167960B
CN109167960B CN201811103142.5A CN201811103142A CN109167960B CN 109167960 B CN109167960 B CN 109167960B CN 201811103142 A CN201811103142 A CN 201811103142A CN 109167960 B CN109167960 B CN 109167960B
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video
server
video networking
stream data
instruction
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CN109167960A (en
Inventor
赵虎彪
袁庆宁
沈军
王艳辉
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Hainan Shilian Communication Technology Co.,Ltd.
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Visionvera Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • 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
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
    • 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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention provides a method and a system for processing video stream data, wherein the method comprises the following steps: the video networking node server receives a first video networking protocol instruction, sends the serial number of video streaming data to be displayed to a transfer server corresponding to the identification information, and the transfer server acquires the state information and the serial number of the source monitoring terminal and sends the state information and the serial number to the video networking node server; the video networking node server sends the state information and the serial number of the source monitoring terminal to the streaming media server, and the streaming media server sends a sending request instruction of video streaming data to be displayed to the video networking node server; and the video networking node server returns an issuing response instruction to the streaming media server according to the issuing request instruction, and the streaming media server pushes video stream data to the monitoring resource display terminal according to the issuing response instruction. The embodiment of the invention realizes the function of pushing the monitoring resources in the video network environment to the third party monitoring resource display terminal for display.

Description

Method and system for processing video stream data
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method and a system for processing video stream data.
Background
The video network is a special network for transmitting high-definition video and a special protocol at high speed based on Ethernet hardware, is a higher-level form of the Internet and is a real-time network.
Currently, monitoring resources in the video network can be transmitted in the video network environment and displayed on the video network terminal. If monitoring resources in the video network are transmitted to an internet terminal outside the video network for display, a video network protocol and an internet protocol need to be crossed, which is a problem to be solved urgently.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a processing method of video stream data and a corresponding processing system of video stream data that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a method for processing video stream data, where the method is applied to the internet and a video network, and the internet includes: monitoring resource display terminal and streaming media server, the video network includes: the method comprises the following steps that a monitoring terminal, a video network node server and a protocol conversion server are used for establishing network connection between the monitoring terminal and the video network node server, the streaming media server is respectively communicated with the monitoring resource display terminal and the video network node server, and the video network node server is communicated with the protocol conversion server, and the method comprises the following steps: the video networking node server receives a first video networking protocol instruction from the streaming media server, wherein the first video networking protocol instruction comprises identification information of the protocol conversion server and a serial number of video stream data to be displayed; the video networking node server sends the serial number of the video streaming data to be displayed to the protocol conversion server corresponding to the identification information, and the protocol conversion server is used for acquiring the state information and the serial number of a source monitoring terminal of the video streaming data to be displayed according to the serial number of the video streaming data to be displayed and sending the state information and the serial number of the source monitoring terminal to the video networking node server; the video networking node server sends the state information and the serial number of the source monitoring terminal to the streaming media server, and the streaming media server is used for sending an issuing request instruction of the video streaming data to be displayed to the video networking node server according to the state information and the serial number of the source monitoring terminal; the video network node server returns an issuing response instruction to the streaming media server according to the issuing request instruction, and the streaming media server is further used for pushing video stream data from the source monitoring terminal to the monitoring resource display terminal according to the issuing response instruction so as to perform display operation on the monitoring resource display terminal.
Optionally, the sending, by the node server of the video networking, the number of the video stream data to be displayed to the coordination server corresponding to the identification information includes: and the video networking node server encapsulates the serial number of the video streaming data to be displayed into a second video networking protocol instruction, and sends the second video networking protocol instruction to the protocol conversion server corresponding to the identification information.
Optionally, the protocol conversion server is configured to encapsulate the status information and the serial number of the source monitoring terminal into a third video networking protocol instruction, and send the third video networking protocol instruction to the video networking node server.
Optionally, the sending, by the video networking node server, the status information and the number of the source monitoring terminal to the streaming media server includes: and the video networking node server encapsulates the state information and the serial number of the source monitoring terminal into a fourth video networking protocol instruction, and sends the fourth video networking protocol instruction to the streaming media server.
Optionally, the streaming media server is configured to encapsulate the status information of the source monitoring terminal into a fifth video networking protocol instruction, and send the fifth video networking protocol instruction to the video networking node server; the video network node server returns an issuing response instruction to the streaming media server according to the issuing request instruction, and the issuing response instruction comprises the following steps: and the video networking node server encapsulates the identification information of the issued result into a sixth video networking protocol instruction according to the fifth video networking protocol instruction, and sends the sixth video networking protocol instruction to the streaming media server.
The embodiment of the invention also discloses a system for processing the video stream data, which is applied to the internet and the video network, wherein the internet comprises: monitoring resource display terminal and streaming media server, the video network includes: monitor terminal, video networking node server and cooperation commentaries on classics server, wherein, cooperation commentaries on classics server is used for establishing monitor terminal with network connection between the video networking node server, the streaming media server respectively with monitor resource show terminal with the video networking node server communicates, the video networking node server with cooperate the commentaries on classics server to communicate, the video networking node server includes: the receiving module is used for receiving a first video networking protocol instruction from the streaming media server, wherein the first video networking protocol instruction comprises the identification information of the protocol conversion server and the serial number of video stream data to be displayed; the sending module is used for sending the serial number of the video stream data to be displayed to the protocol conversion server corresponding to the identification information, and the protocol conversion server is used for acquiring the state information and the serial number of a source monitoring terminal of the video stream data to be displayed according to the serial number of the video stream data to be displayed and sending the state information and the serial number of the source monitoring terminal to the node server of the video network; the sending module is further configured to send the state information and the serial number of the source monitoring terminal to the streaming media server, and the streaming media server is configured to send an issuing request instruction of the video stream data to be displayed to the video networking node server according to the state information and the serial number of the source monitoring terminal; and the response module is used for returning an issuing response instruction to the streaming media server according to the issuing request instruction, and the streaming media server is also used for pushing video stream data from the source monitoring terminal to the monitoring resource display terminal according to the issuing response instruction so as to perform display operation on the monitoring resource display terminal.
Optionally, the sending module is configured to encapsulate the number of the video stream data to be displayed into a second video networking protocol instruction, and send the second video networking protocol instruction to the protocol conversion server corresponding to the identification information.
Optionally, the protocol conversion server is configured to encapsulate the status information and the serial number of the source monitoring terminal into a third video networking protocol instruction, and send the third video networking protocol instruction to the video networking node server.
Optionally, the sending module is configured to encapsulate the status information and the serial number of the source monitoring terminal into a fourth video networking protocol instruction, and send the fourth video networking protocol instruction to the streaming media server.
Optionally, the streaming media server is configured to encapsulate the status information of the source monitoring terminal into a fifth video networking protocol instruction, and send the fifth video networking protocol instruction to the video networking node server; and the response module is used for encapsulating the identification information of the issued result into a sixth video networking protocol instruction according to the fifth video networking protocol instruction and sending the sixth video networking protocol instruction to the streaming media server.
The embodiment of the invention has the following advantages:
the embodiment of the invention is applied to the Internet and the video network, wherein the Internet can comprise a monitoring resource display terminal and a streaming media server, and the video network can comprise a monitoring terminal, a video network node server and a coordination server. The cooperative conversion server in the video network is used for establishing network connection between the monitoring terminal and the video network node server, and is a bridge between the monitoring terminal and the video network server. The streaming media server is respectively communicated with the monitoring resource display terminal and the video networking node server, and the video networking node server is communicated with the cooperation server.
In the embodiment of the invention, a user sends a display request of monitoring resources to a streaming media server through a monitoring resource display terminal, the streaming media server sends the display request to a video networking node server through a first video networking protocol instruction, the video networking node server sends the serial number of video stream data to be displayed in the first video networking protocol instruction to a corresponding protocol conversion server, and the corresponding protocol conversion server is a protocol conversion server corresponding to identification information in the first video networking protocol conversion instruction. After receiving the serial number of the video stream data to be displayed, the protocol conversion server returns state information indicating whether the video stream data to be displayed requested by the stream media server is successful or not and the serial number of the source monitoring terminal of the video stream data to be displayed to the video network node server. The video network node server transmits the state information and the serial number of the source monitoring terminal to the streaming media server, the streaming media server can judge whether the request of the video stream data to be displayed is successful or not according to the state information, and if the request is unsuccessful, the streaming media server returns prompt information that the request is unsuccessful to the monitoring resource display terminal; and if the request is successful, the streaming media server sends a request issuing instruction of the video stream data to be displayed to the video networking node server. The video networking node server returns a distribution response instruction to the streaming media server according to the distribution request instruction, the streaming media server judges whether the distribution request of the video stream data to be displayed is successful or not according to the distribution response instruction, and if the distribution request is unsuccessful, the streaming media server returns prompt information that the distribution request is unsuccessful to the monitoring resource display terminal; if the video stream data is successful, the streaming media server pushes the video stream data to be displayed to the monitoring resource display terminal, and the received video stream data is displayed on the monitoring resource display terminal.
The embodiment of the invention applies the characteristics of the internet and the video network, the monitoring resource display terminal sends a display request of monitoring resources to the video network node server through the streaming media server, the video network node server sends the serial number of the video stream data to be displayed to the protocol conversion server according to the identification information of the protocol conversion server, the protocol conversion server returns the video stream data to be displayed to the streaming media server through the streaming media node server, and the streaming media server pushes the video stream data to be displayed to the monitoring resource display terminal for display operation. The embodiment of the invention realizes the function of pushing the monitoring resources in the video network environment to the third party monitoring resource display terminal for display.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flow chart of steps of a method of processing video stream data in accordance with an embodiment of the present invention;
fig. 6 is an exemplary diagram of operations of a method for pushing a video network monitoring resource to a third party monitoring resource display terminal according to the present invention;
fig. 7 is a block diagram of a video network node server in an embodiment of a system for processing video stream data according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the internet of vision technology employs network Packet Switching to satisfy the demand of Streaming (translated into Streaming, and continuous broadcasting, which is a data transmission technology, converting received data into a stable and continuous stream, and continuously transmitting the stream, so that the sound heard by the user or the image seen by the user is very smooth, and the user can start browsing on the screen before the whole data is transmitted). The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (circled part), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204.
The network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module (downstream network interface module 301, upstream network interface module 302), the switching engine module 303, and the CPU module 304 are mainly included.
Wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) and obtaining the token generated by the code rate control module.
If the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the video networking destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 3 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
DA SA Reserved Payload CRC
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (e.g. various protocol packets, multicast data packets, unicast data packets, etc.), there are at most 256 possibilities, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses.
The Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA).
The reserved byte consists of 2 bytes.
The payload part has different lengths according to types of different datagrams, and is 64 bytes if the type of the datagram is a variety of protocol packets, or is 1056 bytes if the type of the datagram is a unicast packet, but is not limited to the above 2 types.
The CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the label is similar to that of a label of Multi-Protocol label switching (MPLS), and assuming that there are two connections between a device a and a device B, there are 2 labels for a packet from the device a to the device B, and 2 labels for a packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
DA SA Reserved label (R) Payload CRC
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network and the characteristics of the internet, one of the core concepts of the embodiment of the invention is provided, the monitoring resource display terminal sends a display request of video stream data to be displayed to the video network node server through the streaming media server, the video network node server forwards the number of the video stream data to be displayed to the protocol conversion server, the protocol conversion server returns the video stream data to be displayed to the streaming media server through the video network node server, and the streaming media server pushes the video stream data to be displayed to the monitoring resource display terminal.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a method for processing video stream data according to the present invention is shown, where the method may be applied to the internet and a video network, the internet may include a monitoring resource exhibition terminal and a streaming media server, and the video network may include a monitoring terminal, a video network node server and a collaboration server. The method comprises the following steps that a cooperative conversion server is used for establishing network connection between a monitoring terminal and a video network node server, a streaming media server is respectively communicated with a monitoring resource display terminal and the video network node server, and the video network node server is communicated with the cooperative conversion server, and specifically comprises the following steps:
in step 501, an internet of things node server receives a first internet of things protocol instruction from a streaming media server.
In the embodiment of the invention, the streaming media server can be a server running a Windows operating system, and the streaming media server runs a streaming media application program. Specifically, the monitoring resource display terminal may send a display request to the streaming media application program in the streaming media server through a real-time streaming protocol RTSP or a real-time transport protocol RTP, where the display request may include a number of video stream data to be displayed. After the streaming media application program receives the display request, the streaming media application program can determine the identification information of the protocol conversion server corresponding to the number of the video stream data to be displayed in the received display request according to the corresponding relation between the number of the video stream data preconfigured by the video networking node server and the identification information of the protocol conversion server, and generate a first video networking protocol instruction according to the determined identification information and the number of the video stream data to be displayed, and further send the first video networking protocol instruction to the video networking node server through the video networking.
In a preferred embodiment of the present invention, the first protocol command of the internet of view may be an 8f85 protocol command, the 8f85 protocol is a request-to-send protocol for information intercommunication between applications, and the specification of the 8f85 protocol may be as shown in the following table:
Figure BDA0001807200900000131
the 8f85 protocol command may be a request command of a streaming media application program or a streaming media server, which is sent by the streaming media application program or the streaming media server, and the short signaling with the length of 32W is used for the streaming media application program or the streaming media server to make some specified operations (including remote control, restart, etc.) for requesting from the node server of the video network.
In this embodiment of the present invention, the first video networking protocol command may include identification information of the protocol conversion server and a number of video stream data to be presented, for example, the first video networking protocol command Z1 includes identification information X1 and a number 000 and 0002 of the video stream data.
Step 502, the video network node server sends the serial number of the video stream data to be displayed to the coordination server corresponding to the identification information.
In the embodiment of the invention, the identification information in the first video networking protocol instruction is used for determining a target cooperative conversion server, and the target cooperative conversion server is a cooperative conversion server used for establishing network connection between a source monitoring terminal of video stream data to be displayed and a video networking node server. In practical application, the corresponding relationship between the identification information of the protocol conversion server and the network address of the protocol conversion server can be preset in the node server of the video networking, the node server of the video networking can determine the corresponding network address according to the identification information in the received first protocol instruction of the video networking, and then the serial number of the video streaming data to be displayed in the first protocol instruction of the video networking is sent to the target protocol conversion server according to the determined network address.
In a preferred embodiment of the present invention, when the video networking node server sends the number of the video stream data to be displayed to the protocol conversion server corresponding to the identification information, the number of the video stream data to be displayed may be encapsulated in the second video networking protocol instruction, and the second video networking protocol instruction is sent to the target protocol conversion server. The second protocol instruction may be 8785 protocol instruction, the 8785 protocol is a response receiving protocol for interworking information between applications, and the 8785 protocol may be specified as shown in the following table:
Figure BDA0001807200900000141
8785 protocol can be used to instruct the service operation of the node server of the video network, to send out short signaling with length of 32W, and to instruct the protocol server to perform some specific operations (including remote control, restart, etc.).
In an embodiment of the present invention, the second video networking protocol command may include a number of video stream data to be displayed, for example, the second video networking protocol command Z2 includes a number 000 and 0002 of the video stream data.
In the embodiment of the invention, after the protocol conversion server receives the second video networking protocol instruction, the state information and the serial number of the source monitoring terminal of the video streaming data to be displayed can be obtained according to the serial number of the video streaming data to be displayed in the second video networking protocol instruction, and the state information and the serial number of the source monitoring terminal are sent to the video networking node server. The status information of the source monitoring terminal may be an online status, an offline status, or a no-response status, and the status information of the source monitoring terminal is not specifically limited in the embodiments of the present invention.
In a preferred embodiment of the present invention, the protocol conversion server may encapsulate the status information and the serial number of the source monitoring terminal into a third video networking protocol instruction, and send the third video networking protocol instruction to the video networking node server. The third video networking protocol command may be the 8f85 protocol command, and for the description of the 8f85 protocol, reference may be made to the above description, which is not described herein again.
In step 503, the node server of the video network sends the status information and the serial number of the source monitoring terminal to the streaming media server.
In the embodiment of the invention, when the video network node server sends the state information and the serial number of the source monitoring terminal to the streaming media server, the state information and the serial number of the source monitoring terminal can be encapsulated into the fourth video network protocol instruction, and the fourth video network protocol instruction is sent to the streaming media server. The fourth internet protocol command may be a 8785 protocol command, and for the description of the 8785 protocol, reference may be made to the related descriptions above, which are not described herein again.
In the embodiment of the present invention, after receiving the fourth video networking protocol instruction, the streaming media server may send an issuing request instruction of video stream data to be displayed to the video networking node server according to the state information and the number of the source monitoring terminal in the fourth video networking protocol instruction.
In a preferred embodiment of the present invention, after receiving the fourth video networking protocol instruction, the streaming media server may determine whether the display request of the monitoring resource display terminal is successful according to the status information of the source monitoring terminal in the fourth video networking protocol instruction, and if not, the streaming media server returns a prompt message indicating that the request is unsuccessful to the monitoring resource display terminal; and if the request is successful, the streaming media server sends a request issuing instruction of the video stream data to be displayed to the video networking node server. Specifically, the streaming media server may encapsulate the status information of the source monitoring terminal into a fifth video networking protocol instruction, and send the fifth video networking protocol instruction to the video networking node server. The fifth video networking protocol command may include a number of video stream data to be displayed, the fifth video networking protocol command may be an 8e01 protocol command, the 8e01 protocol is a request sending protocol for information intercommunication between applications, and the specification of the 8e01 protocol may be as shown in the following table:
Figure BDA0001807200900000151
in an embodiment of the present invention, the fifth video networking protocol command may include a number of video stream data to be displayed, for example, the fifth video networking protocol command Z5 includes a number 000 and 0002 of the video stream data.
And step 504, the video network node server returns an issuing response instruction to the streaming media server according to the issuing request instruction.
In the embodiment of the invention, the video networking node server can package the identification information of the issued result into a sixth video networking protocol instruction according to the fifth video networking protocol instruction, and send the sixth video networking protocol instruction to the streaming media server. The sixth video networking protocol command may be an 8e02 protocol command, the 8e02 protocol is a response receiving protocol for communicating information between applications, and the specification of the 8e02 protocol may be as shown in the following table:
Figure BDA0001807200900000161
in this embodiment of the present invention, the sixth protocol instruction of video networking may include identification information of an issuance result, where the identification information of the issuance result may be obtained from the target monitoring terminal by the node server of video networking, or may be generated by the node server of video networking, for example, if the network connection between the node server of video networking and the target monitoring terminal is smooth, and video stream data of the target monitoring terminal may be received, the node server of video networking may obtain the identification information of the issuance result from the target monitoring terminal. For another example, if the network connection between the node server of the video networking and the target monitoring terminal is interrupted, or the network connection between the node server of the video networking and the target monitoring terminal is smooth but the video stream data of the target monitoring terminal cannot be received, the node server of the video networking may generate the identification information of the issuing result by itself. After receiving the sixth video networking protocol instruction, the streaming media server can judge whether the video networking node server successfully issues the video streaming data to be displayed according to the issuing result identification information in the sixth video networking protocol instruction, and if the issuing result identification information is successful, the streaming media server pushes the video streaming data to be displayed, which is obtained from the video networking node server, to the monitoring resource display terminal; and if the video stream data are unsuccessful, the streaming media server returns a video network node server to the monitoring resource display terminal and issues a prompt message that the video stream data to be displayed are unsuccessful.
It should be noted that, in the embodiment of the present invention, each of the video networking protocol instructions may be transmitted between the streaming media server, the video networking node server, and the protocol conversion server in the form of a data packet. And, the 0 th field number in the packet may store a field number indicating which kind of internet protocol instruction the packet specifically contains, and if the 0 th field number is "8785", it indicates that the packet contains 8785 protocol instruction. Other field numbers in the data packet may store specific contents of each video networking protocol instruction, and the embodiments of the present invention do not specifically limit formats of storage, transmission, encryption, and the like of each video networking protocol instruction.
Based on the above description of the embodiment of the video stream data processing method, a method for pushing the video networking monitoring resources to the third party monitoring resource display terminal is introduced below, as shown in fig. 6, the third party monitoring resource display terminal sends a display request of the video networking monitoring resources to the streaming media server through the RTSP/RTP, and the streaming media server sends an assisted transfer main message number and a monitoring number to the video networking node server through an 8f85 protocol instruction, where the assisted transfer main message number is identification information of the assisted transfer server, and the monitoring number is a number of the video networking monitoring resources defined by the assisted transfer server. And the video network node server sends the monitoring number to the protocol conversion server corresponding to the protocol conversion main message number through a protocol 8785 instruction. After receiving the 8785 protocol instruction, the protocol server sends a state value and a direct broadcast number of the monitoring terminal corresponding to the monitoring number to the node server of the video network through the 8f85 protocol instruction, wherein the state value is used for judging whether the request of the monitoring resource of the video network succeeds, the direct broadcast number is the number of the virtual terminal on the streaming media server, the virtual terminal on the streaming media server is preset for the node server of the video network, and one virtual terminal can correspond to one monitoring terminal. The video network node server transmits the state value and the live broadcast number to the streaming media server through a 8785 protocol instruction, the streaming media server judges whether the request is successful according to the state value, and if the request is unsuccessful, specific prompt information is returned to the third party monitoring resource display terminal; if the video network monitoring resource is successfully issued, the video network node server sends a direct broadcast number to the video network node server through an 8e01 protocol instruction, the video network node server returns an 8e02 protocol instruction to the streaming media server according to the 8e01 protocol instruction, the 8e02 protocol instruction comprises an issuing state identifier, and the issuing state identifier is used for judging whether the video network monitoring resource is successfully issued by the video network node server. After receiving the 8e02 protocol instruction, the streaming media server judges whether the issuing is successful according to the issuing state identifier, and if the issuing is successful, the streaming media server pushes the video network monitoring resource from the video network node server to a third party monitoring resource display terminal; and if the information is unsuccessful, returning specific prompt information to the third-party monitoring resource display terminal.
The embodiment of the invention is applied to the Internet and the video network, wherein the Internet can comprise a monitoring resource display terminal and a streaming media server, and the video network can comprise a monitoring terminal, a video network node server and a coordination server. The cooperative conversion server in the video network is used for establishing network connection between the monitoring terminal and the video network node server, and is a bridge between the monitoring terminal and the video network server. The streaming media server is respectively communicated with the monitoring resource display terminal and the video networking node server, and the video networking node server is communicated with the cooperation server.
In the embodiment of the invention, a user sends a display request of monitoring resources to a streaming media server through a monitoring resource display terminal, the streaming media server sends the display request to a video networking node server through a first video networking protocol instruction, the video networking node server sends the serial number of video stream data to be displayed in the first video networking protocol instruction to a corresponding protocol conversion server, and the corresponding protocol conversion server is a protocol conversion server corresponding to identification information in the first video networking protocol conversion instruction. After receiving the serial number of the video stream data to be displayed, the protocol conversion server returns state information indicating whether the video stream data to be displayed requested by the stream media server is successful or not and the serial number of the source monitoring terminal of the video stream data to be displayed to the video network node server. The video network node server transmits the state information and the serial number of the source monitoring terminal to the streaming media server, the streaming media server can judge whether the request of the video stream data to be displayed is successful or not according to the state information, and if the request is unsuccessful, the streaming media server returns prompt information that the request is unsuccessful to the monitoring resource display terminal; and if the request is successful, the streaming media server sends a request issuing instruction of the video stream data to be displayed to the video networking node server. The video networking node server returns a distribution response instruction to the streaming media server according to the distribution request instruction, the streaming media server judges whether the distribution request of the video stream data to be displayed is successful or not according to the distribution response instruction, and if the distribution request is unsuccessful, the streaming media server returns prompt information that the distribution request is unsuccessful to the monitoring resource display terminal; if the video stream data is successful, the streaming media server pushes the video stream data to be displayed to the monitoring resource display terminal, and the received video stream data is displayed on the monitoring resource display terminal.
The embodiment of the invention applies the characteristics of the internet and the video network, the monitoring resource display terminal sends a display request of monitoring resources to the video network node server through the streaming media server, the video network node server sends the serial number of the video stream data to be displayed to the protocol conversion server according to the identification information of the protocol conversion server, the protocol conversion server returns the video stream data to be displayed to the streaming media server through the streaming media node server, and the streaming media server pushes the video stream data to be displayed to the monitoring resource display terminal for display operation. The embodiment of the invention realizes the function of pushing the monitoring resources in the video network environment to the third party monitoring resource display terminal for display.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 7, a block diagram of a node server of a video network in an embodiment of a processing system for video stream data according to the present invention is shown, where the system may be applied to the internet and the video network, the internet may include a monitoring resource display terminal and a streaming media server, and the video network may include a monitoring terminal, a node server of the video network, and a protocol server, where the protocol server is used to establish a network connection between the monitoring terminal and the node server of the video network, the streaming media server communicates with the monitoring resource display terminal and the node server of the video network, respectively, and the node server of the video network communicates with the protocol server, where the node server of the video network in the system may specifically include the following modules:
the receiving module 701 is configured to receive a first video networking protocol instruction from the streaming media server, where the first video networking protocol instruction includes identification information of the protocol conversion server and a number of video stream data to be displayed.
The sending module 702 is configured to send the number of the video stream data to be displayed to the corotation server corresponding to the identification information, where the corotation server is configured to obtain the state information and the number of the source monitoring terminal of the video stream data to be displayed according to the number of the video stream data to be displayed, and send the state information and the number of the source monitoring terminal to the video networking node server.
The sending module 702 is further configured to send the state information and the serial number of the source monitoring terminal to the streaming media server, and the streaming media server is configured to send an issuing request instruction of video stream data to be displayed to the video network node server according to the state information and the serial number of the source monitoring terminal.
The response module 703 is configured to return an issuing response instruction to the streaming media server according to the issuing request instruction, and the streaming media server is further configured to push video stream data from the source monitoring terminal to the monitoring resource display terminal according to the issuing response instruction, so as to perform a display operation on the monitoring resource display terminal.
In a preferred embodiment of the present invention, the sending module 702 is configured to encapsulate the number of the video stream data to be displayed into the second video networking protocol instruction, and send the second video networking protocol instruction to the coordination server corresponding to the identification information.
In a preferred embodiment of the present invention, the protocol conversion server is configured to encapsulate the status information and the serial number of the source monitoring terminal into a third video networking protocol instruction, and send the third video networking protocol instruction to the video networking node server.
In a preferred embodiment of the present invention, the sending module 702 is configured to encapsulate the status information and the serial number of the source monitoring terminal into a fourth video networking protocol instruction, and send the fourth video networking protocol instruction to the streaming media server.
In a preferred embodiment of the present invention, the streaming media server is configured to encapsulate the status information of the source monitoring terminal into a fifth video networking protocol instruction, and send the fifth video networking protocol instruction to the video networking node server; the response module 703 is configured to encapsulate the issuing result identification information into a sixth video networking protocol instruction according to the fifth video networking protocol instruction, and send the sixth video networking protocol instruction to the streaming media server.
For the system embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The present invention provides a method for processing video stream data and a system for processing video stream data, which have been described in detail above, and a specific example is applied in this document to illustrate the principle and the implementation of the present invention, and the description of the above example is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A method for processing video stream data is applied to the Internet and a video network, wherein the Internet comprises: monitoring resource display terminal and streaming media server, the video network includes: the method comprises the following steps that a monitoring terminal, a video network node server and a protocol conversion server are used for establishing network connection between the monitoring terminal and the video network node server, the streaming media server is respectively communicated with the monitoring resource display terminal and the video network node server, and the video network node server is communicated with the protocol conversion server, and the method comprises the following steps:
the video networking node server receives a first video networking protocol instruction from the streaming media server, wherein the first video networking protocol instruction comprises identification information of the protocol conversion server and a serial number of video stream data to be displayed;
the video networking node server sends the serial number of the video streaming data to be displayed to the protocol conversion server corresponding to the identification information, and the protocol conversion server is used for acquiring the state information and the serial number of a source monitoring terminal of the video streaming data to be displayed according to the serial number of the video streaming data to be displayed and sending the state information and the serial number of the source monitoring terminal to the video networking node server;
the video networking node server sends the state information and the serial number of the source monitoring terminal to the streaming media server, the streaming media server is used for judging whether the video streaming data to be displayed is requested to be successful according to the state information and the serial number of the source monitoring terminal and the state information, and sending a sending request instruction of the video streaming data to be displayed to the video networking node server when the video streaming data to be displayed is requested to be successful;
the video network node server returns an issuing response instruction to the streaming media server according to the issuing request instruction, and the streaming media server is further used for judging whether the issuing request of the video stream data to be displayed is successful according to the issuing response instruction, and pushing the video stream data from the source monitoring terminal to the monitoring resource display terminal when the issuing request of the video stream data to be displayed is successful, so that the display operation is performed on the monitoring resource display terminal.
2. The method for processing video stream data according to claim 1, wherein the sending, by the node server of the video networking, the number of the video stream data to be presented to the coordination server corresponding to the identification information includes:
and the video networking node server encapsulates the serial number of the video streaming data to be displayed into a second video networking protocol instruction, and sends the second video networking protocol instruction to the protocol conversion server corresponding to the identification information.
3. The method for processing video stream data according to claim 1, wherein the protocol conversion server is configured to encapsulate the status information and the number of the source monitoring terminal into a third video networking protocol command, and send the third video networking protocol command to the video networking node server.
4. The method for processing video stream data according to claim 1, wherein the sending, by the video networking node server, the status information and the number of the source monitoring terminal to the streaming server includes:
and the video networking node server encapsulates the state information and the serial number of the source monitoring terminal into a fourth video networking protocol instruction, and sends the fourth video networking protocol instruction to the streaming media server.
5. The method for processing video stream data according to claim 1, wherein the streaming media server is configured to encapsulate the status information of the source monitoring terminal into a fifth video networking protocol command, and send the fifth video networking protocol command to the video networking node server;
the video network node server returns an issuing response instruction to the streaming media server according to the issuing request instruction, and the issuing response instruction comprises the following steps:
and the video networking node server encapsulates the identification information of the issued result into a sixth video networking protocol instruction according to the fifth video networking protocol instruction, and sends the sixth video networking protocol instruction to the streaming media server.
6. A system for processing video stream data, said system being used in the internet and video network, said internet comprising: monitoring resource display terminal and streaming media server, the video network includes: monitor terminal, video networking node server and cooperation commentaries on classics server, wherein, cooperation commentaries on classics server is used for establishing monitor terminal with network connection between the video networking node server, the streaming media server respectively with monitor resource show terminal with the video networking node server communicates, the video networking node server with cooperate the commentaries on classics server to communicate, the video networking node server includes:
the receiving module is used for receiving a first video networking protocol instruction from the streaming media server, wherein the first video networking protocol instruction comprises the identification information of the protocol conversion server and the serial number of video stream data to be displayed;
the sending module is used for sending the serial number of the video stream data to be displayed to the protocol conversion server corresponding to the identification information, and the protocol conversion server is used for acquiring the state information and the serial number of a source monitoring terminal of the video stream data to be displayed according to the serial number of the video stream data to be displayed and sending the state information and the serial number of the source monitoring terminal to the node server of the video network;
the sending module is further configured to send the state information and the serial number of the source monitoring terminal to the streaming media server, where the streaming media server is configured to determine, according to the state information and the serial number of the source monitoring terminal and according to the state information, whether a request for video stream data to be displayed is successful, and send, when the request is successful, an issuing request instruction of the video stream data to be displayed to the node server of the video networking;
and the response module is used for returning an issuing response instruction to the streaming media server according to the issuing request instruction, and the streaming media server is also used for judging whether the issuing request of the video stream data to be displayed is successful according to the issuing response instruction, and pushing the video stream data from the source monitoring terminal to the monitoring resource display terminal when the issuing request of the video stream data to be displayed is successful so as to perform display operation on the monitoring resource display terminal.
7. The system for processing video stream data according to claim 6, wherein the sending module is configured to encapsulate the number of the video stream data to be presented into a second video networking protocol command, and send the second video networking protocol command to the coordination server corresponding to the identification information.
8. The system for processing video stream data as claimed in claim 6, wherein the protocol conversion server is configured to encapsulate the status information and the number of the source monitoring terminal into a third video networking protocol command, and send the third video networking protocol command to the video networking node server.
9. The system for processing video stream data according to claim 6, wherein the sending module is configured to encapsulate the status information and the number of the source monitoring terminal into a fourth video networking protocol command, and send the fourth video networking protocol command to the streaming server.
10. The system for processing video stream data according to claim 6, wherein the streaming server is configured to encapsulate the status information of the source monitoring terminal into a fifth video networking protocol command, and send the fifth video networking protocol command to the video networking node server;
and the response module is used for encapsulating the identification information of the issued result into a sixth video networking protocol instruction according to the fifth video networking protocol instruction and sending the sixth video networking protocol instruction to the streaming media server.
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