CN108881815B - Video data transmission method and device - Google Patents
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- CN108881815B CN108881815B CN201710764400.3A CN201710764400A CN108881815B CN 108881815 B CN108881815 B CN 108881815B CN 201710764400 A CN201710764400 A CN 201710764400A CN 108881815 B CN108881815 B CN 108881815B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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Abstract
The embodiment of the invention provides a video data transmission method and a video data transmission device, wherein the method is applied to a video network, and the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the method comprises the following steps: the video networking protocol conversion server receives a video data request instruction sent by a video networking display terminal; establishing connection with a monitoring terminal according to the video data request instruction; receiving video data sent by the monitoring terminal; and transmitting the video data to the video network display terminal. The embodiment realizes the acquisition and transmission of video data based on the video networking protocol, so that the monitoring picture acquired by the monitoring terminal can be played on the display terminal in real time, the real-time performance of the monitoring picture is ensured, the problem that the real-time transmission of the video data cannot be realized by the Ethernet in the prior art is solved, the effectiveness of monitoring is improved, and the safety of a monitored area is further ensured.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a video data transmission method and a video data transmission device.
Background
The ONVIF (Open Network Video Interface Forum) is an international Open Network Video product standard Network Interface development Forum, and aims to establish an Open industry standard together with Open and Open principles to ensure that Network Video products produced by different manufacturers have interoperability.
Take a monitoring device as an example. At present, monitoring equipment based on the ONVIF standard can collect images of a monitored area, and transmit formed video data to other terminals through the ethernet, thereby monitoring the monitored area. However, when a user watches video data collected based on the ONVIF standard, the video data is realized through an ethernet protocol, the transmission process cannot be real-time, and a certain time delay occurs in pictures watched by the user on other terminals, so that images of a monitored area watched by the user currently may be images before a certain time. Such a long time delay cannot effectively guarantee the safety of the monitored area for the monitoring device.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a transmission method of video data and a corresponding transmission apparatus of video data that overcome or at least partially solve the above problems.
In order to solve the above problems, the embodiment of the present invention discloses a method for transmitting video data, which is applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the method comprises the following steps:
the video networking protocol conversion server receives a video data request instruction sent by a video networking display terminal;
establishing connection with a monitoring terminal according to the video data request instruction;
receiving video data sent by the monitoring terminal;
and transmitting the video data to the video network display terminal.
Optionally, the method further comprises:
the video networking protocol conversion server acquires equipment information and verification information of the monitoring terminal;
and configuring the equipment information and the verification information.
Optionally, the video data request instruction includes device information of a target monitoring terminal, and the step of establishing a connection with the monitoring terminal according to the video data request instruction includes:
analyzing the video data request instruction to obtain the equipment information of the target monitoring terminal;
acquiring verification information of the target monitoring terminal according to the equipment information;
and establishing connection with the target monitoring terminal by adopting the verification information.
Optionally, the device information includes a device number, and the step of obtaining the verification information of the target monitoring terminal according to the device information includes:
and acquiring the IP address, the user name and the password information of the target monitoring terminal preset in the video network coordination server according to the equipment number of the target monitoring terminal.
Optionally, the step of transmitting the video data to the video network display terminal includes:
packaging the video data into video networking target video data;
and transmitting the video network target video data to the video network display terminal.
Optionally, the video data request instruction includes a plurality of instructions, and the method further includes:
the video networking coordination and conversion server respectively establishes connection with a plurality of monitoring terminals according to a plurality of video data request instructions, receives a plurality of video data sent by the plurality of monitoring terminals, and sequentially transmits the plurality of video data to the video networking display terminal.
In order to solve the above problems, the embodiment of the present invention discloses a method for transmitting video data, which is applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the method comprises the following steps:
the video networking coordination and conversion server is used for establishing connection with a monitoring terminal according to the video data request instruction and receiving video data sent by the monitoring terminal;
and the video network display terminal receives the video data sent by the video network protocol conversion server.
In order to solve the above problems, the embodiment of the present invention discloses a video data transmission device, which is applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the device comprises:
the request instruction receiving module is used for receiving a video data request instruction sent by the video networking display terminal;
the connection establishing module is used for establishing connection with the monitoring terminal according to the video data request instruction;
the video data receiving module is used for receiving the video data sent by the monitoring terminal;
and the video data transmission module is used for transmitting the video data to the video network display terminal.
Optionally, the method further comprises:
the acquisition module is used for acquiring the equipment information and the verification information of the monitoring terminal;
and the configuration module is used for configuring the equipment information and the verification information.
Optionally, the video data request instruction includes device information of a target monitoring terminal, and the connection establishing module includes:
the analysis submodule is used for analyzing the video data request instruction to obtain the equipment information of the target monitoring terminal;
the acquisition submodule is used for acquiring the verification information of the target monitoring terminal according to the equipment information;
and the establishing submodule is used for establishing connection with the target monitoring terminal by adopting the verification information.
Optionally, the device information includes a device number, and the obtaining sub-module includes:
and the acquisition unit is used for acquiring the IP address, the user name and the password information of the target monitoring terminal preset in the video network protocol conversion server according to the equipment number of the target monitoring terminal.
Optionally, the video data transmission module includes:
the packaging submodule is used for packaging the video data into video networking target video data;
and the transmission submodule is used for transmitting the video networking target video data to the video networking display terminal.
Optionally, the video data request instructions include a plurality of video data request instructions, and the connection establishing module is further configured to establish connections with a plurality of monitoring terminals according to the plurality of video data request instructions, respectively;
the video data receiving module is further configured to receive a plurality of video data sent by the plurality of monitoring terminals;
the video data transmission module is further used for sequentially transmitting the plurality of video data to the video network display terminal.
In order to solve the above problems, the embodiment of the present invention discloses a video data transmission device, which is applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the device comprises:
the video network protocol conversion system comprises a request instruction sending module, a video network protocol conversion server and a monitoring terminal, wherein the request instruction sending module is used for sending a video data request instruction to the video network protocol conversion server, and the video network protocol conversion server is used for establishing connection with the monitoring terminal according to the video data request instruction and receiving video data sent by the monitoring terminal;
and the video data receiving module is used for receiving the video data sent by the video networking protocol conversion server.
Compared with the background art, the embodiment of the invention has the following advantages:
in the embodiment of the invention, after receiving the video data request instruction sent by the video network display terminal, the video network protocol server can establish connection with the monitoring terminal according to the instruction, and after receiving the video data sent by the monitoring terminal, the video network protocol server transmits the video data to the video network display terminal. The embodiment realizes the acquisition and transmission of video data based on the video networking protocol, and because the video networking can realize real-time high-definition video transmission, therefore, the monitoring picture collected by the monitoring terminal can also be played on the display terminal in real time, so that the real-time performance of the monitoring picture is ensured, the problem that the Ethernet in the prior art cannot realize the real-time transmission of the video data is solved, the effectiveness of monitoring is improved, and the safety of a monitored area is further ensured.
Drawings
Fig. 1 is a flowchart illustrating a first embodiment of a method for transmitting video data according to the present invention;
FIG. 2 is a networking schematic of a video network of the present invention;
FIG. 3 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 4 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 5 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 6 is a flowchart illustrating steps of a second embodiment of a method for transmitting video data according to the present invention;
FIG. 7 is a flowchart illustrating a third embodiment of a method for transmitting video data according to the present invention;
fig. 8 is a block diagram showing a first embodiment of a video data transmission apparatus according to the present invention;
fig. 9 is a block diagram of a second embodiment of a video data transmission apparatus 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.
Referring to fig. 1, a flowchart illustrating steps of a first embodiment of a video data transmission method according to the present invention is shown, which may specifically include the following steps:
it should be noted that the method can be applied to video networking. The video networking is an important milestone for network development, and is a network system which can realize real-time high-definition video transmission and push a plurality of internet applications to high-definition video and high-definition face-to-face.
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.
In order to make the embodiments of the present invention better understood by those skilled in the art, a description of the video network is first provided below.
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 Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. 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 address 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 seek of the hard disk, the resource consumption only accounts for 20 percent of the same-grade IP address internet, but the 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.
Fig. 2 is a schematic diagram of a video network according to the present invention. As can be seen from fig. 2, the video network is divided into two parts, 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.
Fig. 3 is a schematic diagram of a hardware structure of a node server according to the present invention. The node server mainly comprises a network interface module 301, a switching engine module 302, a CPU module 303 and a disk array module 304;
the network interface module 301, the CPU module 303, and the disk array module 304 all enter the switching engine module 302; the switching engine module 302 performs an operation of looking up the address table 305 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of a corresponding packet buffer 306 according to the packet's steering information; if the queue of the packet buffer 306 is nearly full, it is discarded; the switching engine module 302 polls all packet buffer queues and forwards 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 304 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 303 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 305 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring a disk array module 304.
Fig. 4 is a schematic diagram of a hardware structure of an access switch according to the present invention. The access switch mainly comprises a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403 and a CPU module 404;
wherein, the packet (uplink data) coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 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 403, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 402 enters the switching engine module 403; the data packet coming from the CPU module 404 enters the switching engine module 403; the switching engine module 403 performs an operation of looking up the address table 406 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 403 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 407 in association with the stream-id; if the queue of the packet buffer 407 is nearly full, it is discarded; if the packet entering the switching engine module 403 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 407 according to the packet guiding information; if the queue of the packet buffer 407 is nearly full, it is discarded.
The switching engine module 403 polls all packet buffer queues, which in this embodiment of the 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) obtaining a token generated by a 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 408 is configured by the CPU module 404 to generate tokens for packet buffer queues going to the upstream network interface from all downstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 404 is mainly responsible for protocol processing with the node server, configuration of the address table 406, and configuration of the code rate control module 408.
The apparatus of the access network portion further comprises an ethernet protocol gateway. Fig. 5 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention. The ethernet coordination gateway mainly includes a network interface module (a downlink network interface module 501 and an uplink network interface module 502), a switching engine module 503, a CPU module 504, a packet detection module 505, a code rate control module 508, an address table 506, a packet buffer 507, a MAC adding module 509, and a MAC deleting module 510.
Wherein, the data packet coming from the downlink network interface module 501 enters the packet detection module 505; the packet detection module 505 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 deleting module 510 subtracts MAC DA, MAC SA, length or frame type (2byte), and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 501 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 destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol 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.
The terminal of the access network part 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.
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 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.
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 (the part in the dotted circle), 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.
The video networking data packets include access network data packets and metropolitan area network data packets.
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 packet, unicast data packet, 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 different types of datagrams, and is 64 bytes if it is a packet of various protocols, and is 32+1024 or 1056 bytes if it 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.
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 into the video network: a label to uniquely describe a metropolitan area network device.
In the video network, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the 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.
In the embodiment of the invention, the video network can comprise a video network coordination server, a video network display terminal and a monitoring terminal.
The monitoring terminal can be a monitoring device based on the ONVIF standard, and the monitoring terminal can be compatible with network video devices produced by different manufacturers and also based on the ONVIF standard. When the monitoring terminals are installed in different places, video images can be acquired in corresponding areas, and therefore the areas can be monitored. Of course, the monitoring terminal may also be a monitoring device based on other standards, and the monitoring device adopting other standards may be connected to network video devices of different standards through the connection converting apparatus, and the specific type of the monitoring device is not limited in this embodiment.
The video networking protocol conversion server in the embodiment can be used for accessing monitoring equipment resources. For example, different monitoring terminals can be accessed, and video data collected by the different monitoring terminals can be sent to the video network display terminal.
The video network display terminal may be a set-top box (STB), which is a device for connecting a tv set and an external signal source, and converts a compressed digital signal into tv content and displays the tv content on the tv set. Of course, the video network display terminal may also be a device integrated in the display device, so that the received video data can be directly displayed in the display interface thereof.
It should be noted that the present embodiment is an introduction of the video data transmission method of the present invention based on the video network coordination server side.
In the embodiment of the invention, when a video network display terminal needs to call a monitoring picture of a certain monitoring terminal, a video data request instruction can be sent to the video network coordination server, the instruction can include equipment information of a target monitoring terminal, and the target monitoring terminal is a monitoring terminal corresponding to the monitoring picture which the display terminal wants to obtain.
In a specific implementation, the video network display terminal sends the video data request instruction to the video network protocol conversion server through the video network 8F85 protocol.
The 8F85 protocol is a proprietary protocol of video networking and may contain information such as instruction codes and message types. When the instruction code is 4000, the instruction code represents a monitoring type, and when the message type is 0x0001, the instruction represents that the video network display terminal sends a video data request instruction to the video network coordination server, wherein the instruction may include equipment information of the monitoring terminal. For example, the device number of the monitoring terminal, etc.
In the embodiment of the invention, after the video networking protocol server receives the video data request instruction sent by the display terminal, the video data request response can be sent to the display terminal. The response may be implemented via an internet of view 8785 protocol.
Similar to the internet of view 8F85 protocol, the 8785 protocol is also a proprietary protocol of the internet of view, and may also contain information such as instruction codes and message types. Wherein, when the instruction code is 4000, it indicates the monitoring type, and when the message type is 0x0002, it indicates that the video network coordination server sends a video data request response to the video network display terminal, and the instruction may include the device information of the monitoring terminal.
102, establishing connection with a monitoring terminal according to the video data request instruction;
in the embodiment of the invention, after the video networking protocol server receives the video data request instruction of the video networking display terminal, the interactive connection with the target monitoring terminal can be established according to the instruction.
In a specific implementation, after receiving the video data request instruction, the video networking protocol conversion server may obtain the device information of the target monitoring terminal by analyzing the instruction, so as to find out the verification information of the target monitoring terminal from the verification information of each monitoring terminal stored in the protocol conversion server. For example, the authentication information may be an IP address, a user name, and password information of the monitoring terminal. Then, the interactive connection with the target monitoring terminal can be established by verifying the verification information.
103, receiving video data sent by the monitoring terminal;
in the embodiment of the present invention, after the video networking protocol server establishes the interactive connection with the target monitoring terminal, the video data sent by the target monitoring terminal may be received, and step 104 is executed to transmit the received video data to the video networking display terminal, so that the monitoring picture of the target monitoring terminal can be watched on the display terminal in real time.
And 104, transmitting the video data to the video network display terminal.
In the embodiment of the invention, the video network coordination server transmits the received video data to the video network display terminal through the video network. Therefore, before actual transmission, the video networking protocol conversion server needs to encapsulate the received video data to meet the transmission requirement of the video networking.
After the video data are packaged, the packaged video networking target video data can be sent to a video networking display terminal, the display terminal can perform de-packaging operation on the received video networking target video data, and corresponding video data are played in a display interface of the display terminal.
In the embodiment of the invention, after receiving a video data request instruction sent by a video network display terminal, the video network protocol server can establish connection with a monitoring terminal according to the instruction, and after receiving video data sent by the monitoring terminal, the video network protocol server transmits the video data to the video network display terminal. The embodiment realizes the acquisition and transmission of video data based on the video networking protocol, and because the video networking can realize real-time high-definition video transmission, therefore, the monitoring picture collected by the monitoring terminal can also be played on the display terminal in real time, so that the real-time performance of the monitoring picture is ensured, the problem that the Ethernet in the prior art cannot realize the real-time transmission of the video data is solved, the effectiveness of monitoring is improved, and the safety of a monitored area is further ensured.
Referring to fig. 6, a flowchart illustrating steps of a second embodiment of a video data transmission method according to the present invention is shown, which may specifically include the following steps:
601, the video network protocol conversion server acquires equipment information and verification information of the monitoring terminal;
it should be noted that the method can be applied to a video network, and the video network may include a video network coordination server, a video network display terminal, and a monitoring terminal.
In the embodiment of the invention, a plurality of monitoring terminals can be accessed to the video networking coordination server. During access, the video network coordination and conversion server can respectively obtain the equipment information and the verification information of each monitoring terminal.
The device information of the monitoring terminal may include a device number of the terminal, and the authentication information may include an IP address of the terminal, a user name and password information, and the like. Of course, according to actual needs, those skilled in the art may specifically determine what information is included in the device information and the verification information, and this embodiment does not limit this.
in a specific implementation, configuring the received device information and the verification information by the protocol conversion server of the internet of view may refer to storing the device information and the verification information in the protocol conversion server of the internet of view.
It should be noted that, in configuration, the device information and the verification information may be associated one to one. That is, the device information and the verification information of each monitoring terminal are stored in a one-to-one correspondence manner according to the device number of each monitoring terminal or other information that can uniquely identify the monitoring terminal, so that the verification information of each monitoring terminal can be obtained by traversing the device number and other information that can uniquely identify the monitoring terminal.
in the embodiment of the invention, when a video network display terminal needs to call a monitoring picture of a certain monitoring terminal, a video data request instruction can be sent to the video network coordination server, the instruction can include equipment information of a target monitoring terminal, and the target monitoring terminal is a monitoring terminal corresponding to the monitoring picture which the display terminal wants to call.
In a specific implementation, the video network display terminal sends the video data request instruction to the video network protocol conversion server through the video network 8F85 protocol.
In the embodiment of the invention, after the video networking protocol server receives the video data request instruction sent by the display terminal, the video data request response can be sent to the display terminal. The response may be implemented via an internet of view 8785 protocol.
in the embodiment of the invention, after receiving the video data request instruction, the video networking protocol conversion server can obtain the equipment information of the target monitoring terminal by analyzing the instruction. For example, after the received instruction is analyzed, the device number of the target monitoring terminal can be obtained, so that the monitoring terminal to which the monitoring picture that the video network display terminal wants to call belongs can be determined.
when the monitoring terminal is accessed to the video network protocol conversion server, the video network protocol conversion server stores the verification information of each monitoring terminal, so that after the equipment number of the target monitoring terminal is obtained by analyzing the video data request instruction, the IP address, the user name and the password information of the target monitoring terminal preset in the video network protocol conversion server can be obtained according to the equipment number of the target monitoring terminal.
in a specific implementation, after the IP address, the user name, and the password information of the target monitoring terminal are obtained, the verification operation may be performed with the target monitoring terminal by using the verification information. And after the verification is passed, the interactive connection between the video networking protocol server and the target monitoring terminal can be established.
in the embodiment of the present invention, after the video networking coordination server establishes the interactive connection with the target monitoring terminal, the video data sent by the target monitoring terminal may be received, and step 608 is executed to encapsulate the received video data.
in the embodiment of the invention, the video network coordination server transmits the received video data to the video network display terminal through the video network. Therefore, before actual transmission, the video networking protocol conversion server needs to encapsulate the received video data to meet the transmission requirement of the video networking.
In a specific implementation, the video networking protocol header may be added to the received video stream by the video networking protocol server, so as to encapsulate the video data sent by the monitoring terminal into target video data meeting the video networking video stream transmission format.
In the embodiment of the invention, after the video data is packaged, the packaged video data of the target of the video network can be sent to the display terminal of the video network, and the display terminal can perform de-packaging operation on the received video data of the target of the video network and play the corresponding video data in the display interface of the display terminal.
It should be noted that, in the embodiment of the present invention, the video data request instruction may include a plurality of instructions. Namely, the video network display terminal can simultaneously send a plurality of request instructions to the video network coordination and conversion server so as to call the monitoring pictures of a plurality of monitoring terminals.
After receiving the video data request instructions, the video network coordination and conversion server can respectively establish connection with the plurality of monitoring terminals according to the video data request instructions, then receive the video data sent by the plurality of monitoring terminals, and sequentially transmit the video data to the video network display terminal.
The video network display terminal can play the received video data in a multi-screen display mode, so that the monitoring pictures of a plurality of monitoring terminals can be watched in real time in the display interface of the same display terminal.
In the embodiment of the invention, the video networking protocol conversion server can establish interactive connection with the target monitoring terminal after receiving a video data request instruction of the video networking display terminal, so that after receiving video data sent by the target monitoring terminal, the video data is packaged to meet the video networking transmission requirement and is transmitted to the display terminal through the video networking, so that the display terminal can display the monitoring picture of the monitoring terminal in real time, the real-time performance of the monitoring picture is ensured, the problem that the real-time transmission of the video data cannot be realized by the Ethernet in the prior art is solved, the effectiveness of the monitoring terminal is improved, and the safety of a monitored area is ensured.
Referring to fig. 7, a flowchart of a third step of an embodiment of a video data transmission method according to the present invention is shown, where the method may be applied to a video network, and the video network may include a video network coordination server, a video network display terminal, and a monitoring terminal; the method may specifically comprise the steps of:
701, a video network display terminal sends a video data request instruction to a video network corotation server, wherein the video network corotation server is used for establishing connection with a monitoring terminal according to the video data request instruction and receiving video data sent by the monitoring terminal;
It should be noted that the present embodiment is based on the description of the video data transmission method of the present invention on the video network display terminal side.
In specific implementation, when the video network display terminal needs to retrieve video data collected by a certain monitoring terminal, for example, when the video network display terminal needs to watch a monitoring screen of a certain monitoring device, a video data request instruction may be sent to the video network coordination and conversion server, and the video network coordination and conversion server establishes an interactive connection with a corresponding monitoring terminal according to the instruction, so that after receiving the video data collected by the monitoring terminal, the video data may be transmitted to the video network display terminal.
It should be noted that, in this embodiment, the video networking display terminal sends a video data request instruction to the video networking coordination server, and the video networking coordination server establishes an interactive connection with the monitoring terminal, receives corresponding video data, and transmits the video data to the video networking display terminal, and the like, all of which are implemented by a video networking protocol.
Since steps 701 to 702 in this embodiment are similar to steps 101 to 104 in this embodiment, and steps 601 to 609 in the second embodiment, reference may be made to each other, and details of this embodiment are not repeated.
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. 8, a block diagram of a first embodiment of a video data transmission apparatus according to the present invention is shown, where the apparatus may be applied to a video network, and the video network may include a video network coordination server, a video network display terminal, and a monitoring terminal; the device may specifically include the following modules:
a request instruction receiving module 801, configured to receive a video data request instruction sent by a video networking display terminal;
a connection establishing module 802, configured to establish a connection with the monitoring terminal according to the video data request instruction;
a video data receiving module 803, configured to receive video data sent by the monitoring terminal;
a video data transmission module 804, configured to transmit the video data to the video network display terminal.
In the embodiment of the present invention, the apparatus may further include the following modules:
the acquisition module is used for acquiring the equipment information and the verification information of the monitoring terminal;
and the configuration module is used for configuring the equipment information and the verification information.
In this embodiment of the present invention, the video data request instruction may include device information of a target monitoring terminal, and the connection establishing module 802 may specifically include the following sub-modules:
the analysis submodule is used for analyzing the video data request instruction to obtain the equipment information of the target monitoring terminal;
the acquisition submodule is used for acquiring the verification information of the target monitoring terminal according to the equipment information;
and the establishing submodule is used for establishing connection with the target monitoring terminal by adopting the verification information.
In this embodiment of the present invention, the device information may include a device number, and the obtaining sub-module specifically includes the following units:
and the acquisition unit is used for acquiring the IP address, the user name and the password information of the target monitoring terminal preset in the video network protocol conversion server according to the equipment number of the target monitoring terminal.
In this embodiment of the present invention, the video data transmission module 804 may specifically include the following sub-modules:
the packaging submodule is used for packaging the video data into video networking target video data;
and the transmission submodule is used for transmitting the video networking target video data to the video networking display terminal.
In the embodiment of the present invention, the video data request instruction may include a plurality of video data request instructions, and the connection establishing module may be further configured to respectively establish connections with a plurality of monitoring terminals according to the plurality of video data request instructions;
the video data receiving module can be further used for receiving a plurality of video data sent by the plurality of monitoring terminals;
the video data transmission module can also be used for sequentially transmitting the plurality of video data to the video network display terminal.
Referring to fig. 9, there is shown a block diagram of a second embodiment of a video data transmission device according to the present invention, where the device may be applied to a video network, and the video network may include a video network coordination server, a video network display terminal, and a monitoring terminal; the device may specifically include the following modules:
a request instruction sending module 901, configured to send a video data request instruction to a video networking protocol server, where the video networking protocol server may be configured to establish a connection with a monitoring terminal according to the video data request instruction, and receive video data sent by the monitoring terminal;
a video data receiving module 902, configured to receive the video data sent by the video networking protocol conversion server.
For the device 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 video data transmission method and a video data transmission device, which are introduced in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; 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. The video data transmission method is characterized by being applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the method comprises the following steps:
the video networking protocol conversion server receives a video data request instruction sent by a video networking display terminal;
establishing connection with a monitoring terminal according to the video data request instruction;
receiving video data sent by the monitoring terminal;
transmitting the video data to the video network display terminal;
the video data request instruction includes a plurality of instructions, the method further includes:
the video networking protocol conversion server respectively establishes connection with a plurality of monitoring terminals according to a plurality of video data request instructions, receives a plurality of video data sent by the plurality of monitoring terminals and sequentially transmits the plurality of video data to the video networking display terminal;
playing the plurality of video data on the video network display terminal in a multi-screen display mode;
wherein, still include:
the video networking protocol conversion server acquires equipment information and verification information of the monitoring terminal;
and configuring the equipment information and the verification information.
2. The method according to claim 1, wherein the video data request instruction includes device information of a target monitoring terminal, and the step of establishing a connection with the monitoring terminal according to the video data request instruction includes:
analyzing the video data request instruction to obtain the equipment information of the target monitoring terminal;
acquiring verification information of the target monitoring terminal according to the equipment information;
and establishing connection with the target monitoring terminal by adopting the verification information.
3. The method according to claim 2, wherein the device information includes a device number, and the step of obtaining the verification information of the target monitoring terminal according to the device information includes:
and acquiring the IP address, the user name and the password information of the target monitoring terminal preset in the video network coordination server according to the equipment number of the target monitoring terminal.
4. The method of claim 1, wherein the step of transmitting the video data to the video network display terminal comprises:
packaging the video data into video networking target video data;
and transmitting the video network target video data to the video network display terminal.
5. The video data transmission method is characterized by being applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the method comprises the following steps:
the video networking coordination and conversion server is used for establishing connection with a monitoring terminal according to the video data request instruction and receiving video data sent by the monitoring terminal;
the video network display terminal receives the video data sent by the video network protocol conversion server;
the video data request instruction includes a plurality of instructions, the method further includes:
the video networking protocol conversion server respectively establishes connection with a plurality of monitoring terminals according to a plurality of video data request instructions, receives a plurality of video data sent by the plurality of monitoring terminals and sequentially transmits the plurality of video data to the video networking display terminal;
playing the plurality of video data on the video network display terminal in a multi-screen display mode;
wherein the video networking protocol conversion server is further configured to,
acquiring equipment information and verification information of a monitoring terminal;
and configuring the equipment information and the verification information.
6. The device is characterized in that the device is applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the device comprises:
the request instruction receiving module is used for receiving a video data request instruction sent by the video networking display terminal;
the connection establishing module is used for establishing connection with the monitoring terminal according to the video data request instruction;
the video data receiving module is used for receiving the video data sent by the monitoring terminal;
the video data transmission module is used for transmitting the video data to the video network display terminal;
the connection establishing module is further used for respectively establishing connection with a plurality of monitoring terminals according to the plurality of video data request instructions;
the video data receiving module is further configured to receive a plurality of video data sent by the plurality of monitoring terminals;
the video data transmission module is further used for sequentially transmitting the plurality of video data to the video network display terminal;
the video network display terminal plays the video data in the video network display terminal in a multi-screen display mode;
wherein, still include:
the acquisition module is used for acquiring the equipment information and the verification information of the monitoring terminal;
and the configuration module is used for configuring the equipment information and the verification information.
7. The apparatus according to claim 6, wherein the video data request instruction includes device information of the target monitoring terminal, and the connection establishing module includes:
the analysis submodule is used for analyzing the video data request instruction to obtain the equipment information of the target monitoring terminal;
the acquisition submodule is used for acquiring the verification information of the target monitoring terminal according to the equipment information;
and the establishing submodule is used for establishing connection with the target monitoring terminal by adopting the verification information.
8. The apparatus of claim 7, wherein the device information comprises a device number, and wherein the obtaining sub-module comprises:
and the acquisition unit is used for acquiring the IP address, the user name and the password information of the target monitoring terminal preset in the video network protocol conversion server according to the equipment number of the target monitoring terminal.
9. The apparatus of claim 6, wherein the video data transmission module comprises:
the packaging submodule is used for packaging the video data into video networking target video data;
and the transmission submodule is used for transmitting the video networking target video data to the video networking display terminal.
10. The device is characterized in that the device is applied to a video network, wherein the video network comprises a video network coordination server, a video network display terminal and a monitoring terminal; the device comprises:
the video network protocol conversion system comprises a request instruction sending module, a video network protocol conversion server and a monitoring terminal, wherein the request instruction sending module is used for sending a video data request instruction to the video network protocol conversion server, and the video network protocol conversion server is used for establishing connection with the monitoring terminal according to the video data request instruction and receiving video data sent by the monitoring terminal;
the video data receiving module is used for receiving the video data sent by the video networking protocol conversion server;
the video data request instruction includes a plurality of instructions, and is further configured to:
the video networking protocol conversion server respectively establishes connection with a plurality of monitoring terminals according to a plurality of video data request instructions, receives a plurality of video data sent by the plurality of monitoring terminals and sequentially transmits the plurality of video data to the video networking display terminal;
the video data playing module is used for playing the plurality of video data on the video network display terminal in a multi-screen display mode;
wherein the video networking protocol conversion server is further configured to,
acquiring equipment information and verification information of a monitoring terminal;
and configuring the equipment information and the verification information.
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| CN110139124B (en) * | 2019-03-25 | 2021-10-08 | 视联动力信息技术股份有限公司 | Processing method and device for monitoring recording |
| CN110113558B (en) * | 2019-04-03 | 2022-06-07 | 视联动力信息技术股份有限公司 | Data processing method, device, system and computer readable storage medium |
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| CN110324580B (en) * | 2019-07-05 | 2020-12-11 | 视联动力信息技术股份有限公司 | Monitoring video playing method and device based on video network |
| CN111385608A (en) * | 2020-02-20 | 2020-07-07 | 视联动力信息技术股份有限公司 | Video downloading method and device |
| CN111669364B (en) * | 2020-04-26 | 2023-09-12 | 视联动力信息技术股份有限公司 | Data transmission method, device, electronic equipment and medium |
| CN114153698B (en) * | 2021-12-06 | 2024-04-19 | 京东方艺云(杭州)科技有限公司 | Display monitoring method, device, electronic equipment and readable storage medium |
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