CN110418105B - Video monitoring method and system - Google Patents
Video monitoring method and system Download PDFInfo
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- CN110418105B CN110418105B CN201810403929.7A CN201810403929A CN110418105B CN 110418105 B CN110418105 B CN 110418105B CN 201810403929 A CN201810403929 A CN 201810403929A CN 110418105 B CN110418105 B CN 110418105B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—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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- 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
- H04N21/64784—Data processing by the network
- H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
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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
Abstract
The embodiment of the invention provides a video monitoring method and a video monitoring system, and relates to the technical field of video networking. The video monitoring method is applied to the video network and comprises the following steps: the cooperative switching gateway determines monitoring network packet loss data according to the received video packet, and sends the monitoring network packet loss data to the video networking terminal; the video networking terminal generates video packet loss data according to the monitoring network packet loss data and sends the video packet loss data to a scheduling basic server; the scheduling basic server converts the video packet loss data to generate a monitoring video message, and sends the monitoring video message to a monitoring client; and the monitoring client analyzes the video packet loss reason according to the monitoring video message and displays the video packet loss reason. The monitoring client in the embodiment of the invention can analyze the reason of video packet loss through monitoring the video message, and is convenient to analyze and position the link problems of the phenomena of video blockage, video screen splash and the like.
Description
Technical Field
The invention relates to the technical field of video networking, in particular to a video monitoring method and a video monitoring system.
Background
With the rapid development of network technologies, video communication such as video conferences and video teaching is widely popularized in the aspects of life, work, learning and the like of users.
In the video communication process, the network terminal generally needs to call video resources collected by monitoring devices such as a video recorder and a video camera, so as to play videos according to the called video resources. In the calling process, the existing network monitoring networking management scheduling platform (monitoring platform for short) can monitor the video resources called by the network terminal. However, when the network terminal has the phenomena of video blocking, video screen splash and the like in the video playing process, the conventional monitoring platform cannot analyze the reasons of the phenomena of video blocking, video screen splash and the like.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed to provide a video surveillance method and a corresponding video surveillance system that overcome or at least partially solve the above-mentioned problems.
In order to solve the above problem, an embodiment of the present invention discloses a video monitoring method, which is applied to a video network and includes:
the cooperative switching gateway determines monitoring network packet loss data according to the received video packet, and sends the monitoring network packet loss data to the video networking terminal;
the video networking terminal generates video packet loss data according to the monitoring network packet loss data and sends the video packet loss data to a scheduling basic server;
the scheduling basic server converts the video packet loss data to generate a monitoring video message, and sends the monitoring video message to a monitoring client;
and the monitoring client analyzes the video packet loss reason according to the monitoring video message and displays the video packet loss reason.
Optionally, the video networking terminal generates video packet loss data according to the monitoring network packet loss data, and sends the video packet loss data to a scheduling base server, including:
the video network terminal acquires video network packet loss data after receiving the monitoring network packet loss data;
merging the monitoring network packet loss data and the video network packet loss data to obtain video packet loss data;
and sending the video packet loss data to a scheduling basic server according to a preset video networking protocol.
Optionally, the method further comprises: in the process of calling the monitoring video of the monitoring equipment, the coordination gateway receives a video packet pushed by the monitoring equipment; and in the process of playing the monitoring video, the video network terminal determines video network packet loss data according to the received video packet.
Optionally, the step of converting the video packet loss data by the scheduling base server to generate a monitoring video message, and sending the monitoring video message to a monitoring client includes:
after receiving the video packet loss data, the scheduling basic server analyzes the video packet loss data according to a preset video networking protocol to obtain video packet loss information;
generating a monitoring video message according to the video packet loss information;
and sending the monitoring video message to a monitoring client according to a preset network communication protocol.
Optionally, the analyzing, by the monitoring client, the reason for the video packet loss according to the monitoring video message includes:
after receiving the monitoring video message, the monitoring client identifies the monitoring network packet loss data and/or the video network packet loss data from the monitoring video message;
and determining the video packet loss reason based on the monitoring network packet loss data and/or the video network packet loss data.
The embodiment of the invention also discloses a video monitoring system, which is applied to the video network and comprises the following components: the system comprises a protocol conversion gateway, a video network terminal, a scheduling basic server and a monitoring client;
the protocol conversion gateway is used for determining monitoring network packet loss data according to the received video packet and sending the monitoring network packet loss data to the video networking terminal;
the video networking terminal is used for generating video packet loss data according to the monitoring network packet loss data and sending the video packet loss data to the scheduling basic server;
the scheduling base server is used for converting the video packet loss data to generate a monitoring video message and sending the monitoring video message to a monitoring client;
and the monitoring client is used for analyzing the video packet loss reason according to the monitoring video message and displaying the video packet loss reason.
Optionally, the video networking terminal includes:
the video network packet loss data acquisition module is used for acquiring video network packet loss data after receiving the monitoring network packet loss data;
the packet loss data merging module is used for merging the monitoring network packet loss data and the video network packet loss data to obtain video packet loss data;
and the video packet loss data sending module is used for sending the video packet loss data to the scheduling basic server according to a preset video networking protocol.
Optionally, the coordination gateway is further configured to receive a video packet pushed by the monitoring device in a process of calling a monitoring video of the monitoring device; the video network terminal is also used for determining video network packet loss data according to the received video packets in the process of playing the monitoring video.
Optionally, the scheduling base server includes:
the video packet loss data analysis module is used for analyzing the video packet loss data according to a preset video networking protocol after receiving the video packet loss data to obtain video packet loss information;
the monitoring video message generating module is used for generating a monitoring video message according to the video packet loss information;
and the monitoring video message sending module is used for sending the monitoring video message to the monitoring client according to a preset network communication protocol.
Optionally, the monitoring client includes:
the monitoring video message identification module is used for identifying the monitoring network packet loss data and/or the video network packet loss data from the monitoring video message after receiving the monitoring video message;
and the video packet loss reason determining module is used for determining the video packet loss reason based on the monitoring network packet loss data and/or the video network packet loss data.
The embodiment of the invention has the following advantages:
the embodiment of the invention can construct a video monitoring system based on the corotation gateway, the video networking terminal, the scheduling basic server and the monitoring client, so that the video networking terminal can send packet loss data of the monitoring network to the video networking terminal through the corotation gateway in the video monitoring system, the video networking terminal can generate video packet loss data according to the packet loss data of the monitoring network and send the video packet loss data to the scheduling basic server, the video packet loss data sent by the video networking terminal is converted into monitoring video information which can be identified by the monitoring client through the scheduling basic server, the video packet loss reason can be analyzed through the monitoring video information by the monitoring client, the problem that the video packet loss reason such as video blockage, screen splash and the like in the video playing process of the video networking terminal cannot be analyzed by the existing monitoring platform is solved, the video card blockage and the video screen blockage phenomenon can be conveniently analyzed and positioned, Video screen splash, etc.
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 block diagram of a video surveillance system according to an embodiment of the present invention;
FIG. 6 is a flow chart of the steps of a video surveillance method according to an embodiment of the invention;
fig. 7 is a schematic diagram of a monitoring platform calling a monitoring video through a video network terminal in one example of the 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 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 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 (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.
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 mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
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, and 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) 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 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 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.
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 2 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 |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, 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 the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length 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 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.
Based on the characteristics of the video networking, one of the core concepts of the embodiment of the invention is provided, a video monitoring system is constructed based on the protocol of the video networking and the coordination gateway, the video networking terminal, the scheduling basic server and the monitoring client, so that the video monitoring system can analyze the video packet loss reason of the monitoring video played by the video networking, and the video blockage and video screen splash link problem of the video networking terminal can be conveniently analyzed and positioned.
Referring to fig. 5, a block diagram of a video monitoring system according to an embodiment of the present invention is shown. The video monitoring system can be applied to a video network and can comprise: the system comprises a coordination gateway 501, a video network terminal 502, a scheduling base server 503 and a monitoring client 504.
The cooperative switching gateway 501 is configured to determine packet loss data of a monitoring network according to the received video packet, and send the packet loss data of the monitoring network to the video networking terminal 502. In a specific implementation, in the process of calling monitoring resources of the monitoring device, the cooperative switching gateway 501 may receive a video packet sent by the monitoring device, and may determine monitoring network packet loss data according to the received video packet, for example, may calculate a packet loss rate of a link from the monitoring device to the cooperative switching gateway, and determine the calculated packet loss rate as the monitoring network packet loss data, and then may report the monitoring network packet loss data to the video networking terminal 502 through a signaling packet of the video networking, so that the video networking terminal 502 may receive the monitoring network packet loss data. The cooperative gateway 501 may access monitoring resources of various monitoring devices, such as a platform software running on a server and capable of accessing various monitoring resources, or a monitoring access gateway, a device access gateway, and the like, which is not limited in the embodiments of the present invention.
The video network terminal 502 is configured to generate video packet loss data according to the monitoring network packet loss data, and send the video packet loss data to the scheduling base server 503. Specifically, after receiving the monitoring network packet loss data sent by the coordination gateway, the video networking terminal may merge the monitoring network packet loss data with the video networking packet loss data to generate video packet loss data, and then may send the video packet loss data to the scheduling base server 503 through signaling data transmission according to a video networking protocol, so that the scheduling base server 503 may receive the video packet loss data. It should be noted that the video network terminal may be a terminal node device, which has functions of audio/video acquisition and audio/video playing, and may include terminals in the video network, such as a set-top box, a code board, a memory, and the like.
The scheduling base server 503 is configured to convert the video packet loss data to generate a monitoring video message, and send the monitoring video message to the monitoring client 504. Specifically, after receiving the video packet loss data, the scheduling base server 503 may convert the video packet loss data into a monitoring video message that can be identified by the monitoring client 504, and may transmit the monitoring video message to the monitoring client 504 through signaling data transmission, so that the monitoring client 504 may receive the monitoring video message.
The monitoring client 504 is configured to analyze the video packet loss reason according to the monitoring video message, and display the video packet loss reason. Specifically, after receiving the monitoring video message, the monitoring client 504 may analyze the monitoring video message to obtain video packet loss data carried by the monitoring video message, so as to analyze the video packet loss reason according to the video packet loss data, and then display the video packet loss reason, thereby facilitating analysis of the link problem of the video jam, the video screen splash and other phenomena occurring at the positioning video network terminal. The video packet loss data may include monitoring network packet loss data, video network packet loss data, and the like; the monitoring network packet loss data may represent a packet loss rate of the monitoring network, for example, the packet loss rate may include a packet loss rate from the monitoring device to the cooperative gateway link; the video network packet loss data may represent a packet loss rate of the video network, such as a packet loss rate of a video network terminal in a live broadcast watching process, which is not limited in this embodiment of the present invention.
To sum up, the embodiment of the present invention constructs a video monitoring system based on a corotation gateway, a video networking terminal, a scheduling base server and a monitoring client, so that packet loss data of a monitoring network can be sent to the video networking terminal through the corotation gateway in the video monitoring system, so that the video networking terminal can generate video packet loss data according to the packet loss data of the monitoring network, and send the video packet loss data to the scheduling base server, so that the scheduling base server converts the video packet loss data sent by the video networking terminal into monitoring video messages recognizable by the monitoring client, so that the monitoring client can analyze video packet loss reasons through the monitoring video messages, and solve the problem that the existing monitoring platform cannot analyze video packet loss reasons such as video jam, screen splash and the like in the video playing process of the video networking terminal, thereby facilitating the analysis and positioning of the video jam, the video jam and the video loss reasons, Video screen splash, etc.
Referring to fig. 6, a flowchart illustrating steps of a video monitoring method according to an embodiment of the present invention is shown. The video monitoring method can be applied to video networking and specifically comprises the following steps:
step 601, the cooperative gateway determines monitoring network packet loss data according to the received video packet, and sends the monitoring network packet loss data to the video networking terminal.
Specifically, in the process of retrieving the monitoring video of the monitoring device, the protocol conversion gateway can determine the packet loss data of the monitoring network by detecting whether the received video packet is a continuous video packet, and can report the packet loss data of the monitoring network to the video networking terminal according to the video networking protocol, so that the packet loss data of the monitoring network is transmitted to the monitoring client through the video networking terminal, and the monitoring client can acquire the packet loss data of the monitoring network determined by the protocol conversion network. The monitoring network client may be a monitoring platform client, for example, a client of a video networking monitoring and networking management and scheduling platform (i.e., a monitoring platform), which is not limited in this embodiment of the present invention.
In this embodiment of the present invention, optionally, the video monitoring method further includes: in the process of calling the monitoring video of the monitoring equipment, the coordination gateway receives a video packet pushed by the monitoring equipment. Specifically, in the process of calling the monitoring resource of the monitoring device, the monitoring device can push the called video packet of the monitoring video to the coordination gateway, so that the video packet of the monitoring video is reported to the video networking terminal through the coordination gateway, and the video networking terminal can play the monitoring video according to the received video packet. The monitoring resources of the monitoring device may include various monitoring videos collected by the monitoring device. The monitoring device may include a third-party device, such as a Network Digital Video Recorder (NVR), a Digital Video Recorder (DVR), an Internet Protocol Camera (IPC), and the like, which is not limited in this embodiment of the present invention. The third party device may comprise a device of a third party platform, such as a device that may be a video network, and the like.
In a specific implementation, the monitoring video called from the monitoring equipment can be played through the video networking terminal, so that a user can watch the monitoring video. In the process of playing the monitoring video, the video networking terminal can determine video networking packet loss data according to the received video packet, can combine the video networking packet loss data with the monitoring networking packet loss data after receiving the monitoring networking packet loss data reported by the coordination gateway to obtain the combined video packet loss data, and can transmit the combined video packet loss data to the scheduling basic server through signaling transmission.
In an optional embodiment of the present invention, may further include: and in the process of playing the monitoring video, the video network terminal determines video network packet loss data according to the received video packet. For example, in the process of watching a live video through a video network terminal, whether a video packet received by the video network terminal is a continuous video packet or not can be detected, whether the live video loses the video packet in the video network transmission process or not can be determined, the number of the video packets lost in the video network transmission process of the live video can be counted and recorded, then the packet loss rate of the video network can be calculated based on the number of the lost video packets and the total number of the video packets corresponding to the live video, and the packet loss rate of the video network can be determined to be video network packet loss data corresponding to the live video.
In this embodiment of the present invention, optionally, the step 602 may include the following sub-steps:
in substep 6021, the video network terminal obtains the video network packet loss data after receiving the monitoring network packet loss data.
Specifically, after receiving the monitoring network packet loss data issued by the coordination gateway, the video networking terminal may acquire the video networking packet loss data determined in the playing process according to the monitoring network packet loss data. For example, after receiving the monitoring network packet loss data, the video network terminal may obtain the corresponding video network packet loss data based on the monitoring video corresponding to the monitoring network packet loss data, so as to generate the video packet loss data corresponding to the monitoring video according to the video network packet loss data and the monitoring network packet loss data in the following.
The video network packet loss data may be used to determine a video packet loss rate of sending the monitoring video to the video network terminal through the video network protocol, for example, the video packet loss rate of sending the live video to the video network terminal after the video network releases the live video. The packet loss rate of the video after the live broadcast is released by the video network to the video network terminal may include: and the video packet loss rate corresponding to the lost video packet in the process of watching the live video by the video networking terminal.
And a substep 6022, merging the monitoring network packet loss data and the video network packet loss data to obtain video packet loss data.
In the embodiment of the invention, the video network terminal can combine the received monitoring network packet loss data with the video network packet loss data according to a byte splicing mode to obtain the combined video packet loss data. This video packet loss data can include the packet loss data of monitor network and the packet loss data of video networking, can be used for the analysis to determine the video packet loss reason, if can be used for the analysis to fix a position out be that the surveillance video loses packet at the monitor network in-process of transferring, still lose packet at the live process of video networking to can fix a position out the link problem that video networking terminal appears the phenomena such as video card pause, video networking screen of festooning fast.
And a substep 6023, sending the video packet loss data to a scheduling base server according to a preset video networking protocol.
In the embodiment of the invention, the video networking terminal and the scheduling server can communicate by using a video networking protocol. In the communication process, the video networking terminal can send the video packet loss data to the scheduling basic server through the video networking protocol.
In this embodiment, the scheduling base server may use a preset network communication Protocol, such as a Transmission Control Protocol (TCP) -based full duplex communication Protocol WebSocket, to perform data interaction with the monitoring client. In the data interaction process, the scheduling base server can convert the received video packet loss data into a monitoring video message which can be identified by the monitoring client, and can send the monitoring video message obtained after conversion to the monitoring client, so that the monitoring client monitors the video playing state of the video networking terminal according to the video monitoring message.
In an optional embodiment of the present invention, the scheduling base server converts the video packet loss data to generate a monitoring video message, and sends the monitoring video message to the monitoring client, which may include the following sub-steps:
in substep 6031, after receiving the video packet loss data, the scheduling base server parses the video packet loss data according to a preset video networking protocol to obtain video packet loss information.
In the process of communicating with the video network terminal, after receiving video packet loss data reported by the video network terminal, the scheduling base server can analyze the video packet loss data by using a video network protocol to obtain video packet loss information carried in the video packet loss data. The video packet loss information may be used to determine a packet loss condition of the monitoring video in the transmission process, and specifically may include video network packet loss data, monitoring network packet loss data, and the like, which is not limited in this embodiment of the present invention.
And a substep 6032 of generating a monitoring video message according to the video packet loss information.
In the embodiment of the invention, the scheduling basic server and the monitoring client can communicate by using a WebSocket protocol. After the scheduling base server obtains the video packet loss information through analysis, the video packet loss information can be packaged according to the WebSocket protocol to generate a corresponding monitoring video message. The scheduling base server may be software capable of converting the internet command and the video networking command. For example, after a World Wide Web (Web) client initiates a scheduling command, the scheduling base server may convert the scheduling command into an internet-of-view command, where the scheduling command may be an internet command generated by the Web client according to an internet protocol.
And a substep 6033 of sending the monitoring video message to the monitoring client according to a preset network communication protocol.
Specifically, when the monitoring client communicates with the scheduling base server, it may record which monitoring client the scheduling base server communicates with. After the monitoring video message is generated, the scheduling basic service determines the monitoring client which needs to receive the monitoring video message based on the recorded monitoring client, and can send the monitoring video message to the monitoring client which needs to receive the monitoring video message according to a preset network communication protocol, so that the monitoring client can perform video monitoring according to the received monitoring video message, and the video monitoring requirement is met.
In a specific implementation, after receiving a monitoring video message sent by a scheduling base server, a monitoring client may identify video packet loss information from the monitoring video message, for example, may identify monitoring network packet loss data and/or the video network packet loss data, and then may determine a video packet loss reason corresponding to a monitoring video according to the identified video packet loss information, and may display the video packet loss reason, so that a worker of a monitoring system may quickly locate the reason of the monitoring video, such as video blockage and video screen splash, according to the displayed video packet loss reason.
In an optional embodiment of the present invention, the analyzing, by the monitoring client, the reason for the video packet loss according to the monitoring video message may include: after receiving the monitoring video message, the monitoring client identifies the monitoring network packet loss data and/or the video network packet loss data from the monitoring video message; and determining the video packet loss reason based on the monitoring network packet loss data and/or the video network packet loss data.
Specifically, in the process of playing the monitoring video by the video networking terminal, the monitoring client may use a preset network communication protocol to identify the received monitoring video message, so as to identify corresponding monitoring network packet loss data and/or the video networking packet loss data from the monitoring video message, and then perform video packet loss analysis based on the identified monitoring network packet loss data and/or the video networking packet loss data, so as to determine the video packet loss reason, for example, in the case of video splash screen or being unable to watch, the video packet loss reason is determined as whether the video networking packet loss is caused or the data is pushed by a third-party device, and then the video packet loss reason is displayed, so as to help a worker to quickly determine the reason of the phenomena of video jam, video networking splash screen and the like occurring at the video networking terminal.
As an example of the present invention, the video monitoring method provided by the embodiment of the present invention may be applied to a monitoring platform of a video network. The display data of the monitoring platform can be derived from data of the cooperative gateway and the video network terminal. In the process that the monitoring platform calls the monitoring resources through the video networking terminal, the coordination can calculate the packet loss rate of a link from the monitoring equipment to the coordination gateway, for example, the packet loss rate of a monitoring video of the link from the third party platform or the equipment to the coordination gateway can be calculated, and the calculated packet loss rate of the link can be sent to the video networking terminal as monitoring network packet loss data. The video networking terminal can calculate the packet loss rate of the video networking terminal from the monitoring video after the coordination gateway releases live broadcast in the video networking, and can combine the calculated packet loss rate as video networking packet loss data with the monitoring network packet loss data sent by the coordination gateway.
As shown in fig. 7, when the monitoring platform needs to check the monitoring video, for example, when the monitoring video is watched through the video networking terminal, the coordination gateway may receive the video packet sent by the third-party device, and may report the calculated packet loss rate of the monitoring network to the video networking terminal according to the preset time interval, for example, report the packet loss rate data every two seconds. Specifically, the protocol switching gateway may use a data packet loss rate of a link from the third-party device to the protocol switching gateway as packet loss data of the monitoring network, and send the packet loss data to the video networking terminal viewing the monitoring video through the video networking protocol, for example, the packet loss data of the monitoring network may be added to a video networking signaling packet according to the video networking protocol, so that the signaling packet of the video networking includes the packet loss rate, and then the packet loss data of the monitoring network may be reported through the signaling data, and sent to the video networking terminal, so as to inform the video networking terminal of the packet loss rate of the current monitoring network.
The packet loss rate of the link data from the third-party device to the cooperative gateway may be a packet loss rate calculated by the cooperative gateway in a process of retrieving the monitoring stream of the third party. For example, when the coordination gateway pulls the video of the monitoring resource, the packet loss rate may be calculated by detecting whether the received video packet is a continuous video packet. In the case of calculating the packet loss rate by using 1000 video packets, if one video packet is missing from among the received video packets, the packet loss rate may be calculated to be one in a thousand.
The video networking terminal can play video on the display according to the received video packet, and can combine the video networking packet loss data with the monitoring network packet loss data reported by the cooperation gateway, for example, byte splicing can be performed on the video networking packet loss data and the monitoring network packet loss data according to a video networking protocol to obtain spliced video packet loss information, and then the video packet loss information can be sent to the scheduling basic server through signaling data transmission so that the basic scheduling server converts the video packet loss information into information which can be identified by the monitoring platform. Specifically, the basic scheduling server may perform byte parsing on the received video packet loss information to obtain video networking packet loss data and/or monitoring network packet loss data in the video packet loss information, and then add the video networking packet loss data and/or monitoring network packet loss data obtained through parsing to a monitoring video message corresponding to a monitoring video, so that the monitoring video message may carry the video networking packet loss data and/or monitoring network packet loss data, and send the monitoring video message to the monitoring platform client, so that the monitoring platform client may display according to the video networking packet loss data and/or monitoring network packet loss data carried in the monitoring video message. For example, after receiving the monitoring video message, the monitoring platform client may add the video network packet loss data and/or the monitoring network packet loss data carried in the monitoring video message and the state of the currently played monitoring video, and display the added data on the monitoring interface, so that the monitoring interface can display the video network packet loss data and/or the monitoring network packet loss data corresponding to the monitoring video currently. Specifically, under the condition that the monitoring video is displayed on a screen or cannot be watched, the video networking packet loss data and/or the monitoring network packet loss data and the state of the monitoring video being played are added together to display the monitoring network packet loss rate and the video networking packet loss rate on a monitoring interface, so that a person using the monitoring platform can be helped to quickly position whether the video screen is caused by video networking packet loss or is caused by third-party pushed data, and the problems of video blockage, video screen link positioning and the like are conveniently analyzed.
To sum up, the embodiment of the present invention may determine packet loss data of a monitoring network through a cooperative gateway, and send the packet loss data of the monitoring network to a video network terminal, so that the video network terminal may generate video packet loss data corresponding to a monitoring video according to the packet loss data of the monitoring network, and then send the video packet loss data to a scheduling base server, so that the scheduling base server converts the video packet loss data sent by the video network terminal into a monitoring video message recognizable by a monitoring client, so that the monitoring client may analyze the reason for the video packet loss through the monitoring video message, thereby solving the problem that the monitoring platform cannot analyze the reason for the video network terminal to generate video jamming, video screen splash and other phenomena, and being capable of helping to use the monitoring platform to quickly locate a link of the video jamming.
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.
On the basis of the foregoing embodiment, optionally, the video networking terminal in the embodiment of the present invention may include the following modules:
the video network packet loss data acquisition module is used for acquiring video network packet loss data after receiving the monitoring network packet loss data;
the packet loss data merging module is used for merging the monitoring network packet loss data and the video network packet loss data to obtain video packet loss data;
and the video packet loss data sending module is used for sending the video packet loss data to the scheduling basic server according to a preset video networking protocol.
In an optional embodiment of the present invention, the monitoring cooperative conversion gateway is further configured to receive a video packet pushed by the monitoring device in a process of retrieving a monitoring video of the monitoring device. The video network terminal is also used for determining video network packet loss data according to the received video packets in the process of playing the monitoring video.
In an optional embodiment of the present invention, the scheduling base server may include the following modules:
the video packet loss data analysis module is used for analyzing the video packet loss data according to a preset video networking protocol after receiving the video packet loss data to obtain video packet loss information;
the monitoring video message generating module is used for generating a monitoring video message according to the video packet loss information;
and the monitoring video message sending module is used for sending the monitoring video message to the monitoring client according to a preset network communication protocol.
In an optional embodiment of the present invention, the monitoring client may include the following modules:
the monitoring video message identification module is used for identifying the monitoring network packet loss data and/or the video network packet loss data from the monitoring video message after receiving the monitoring video message;
and the video packet loss reason determining module is used for determining the video packet loss reason based on the monitoring network packet loss data and/or the video network packet loss data.
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 video monitoring method and the video monitoring system provided by the invention are introduced in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the 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 (8)
1. A video monitoring method is applied to a video network, and the method comprises the following steps:
the cooperative switching gateway determines monitoring network packet loss data according to the received video packet, and sends the monitoring network packet loss data to the video networking terminal;
the video networking terminal generates video packet loss data according to the monitoring network packet loss data and sends the video packet loss data to a scheduling basic server;
the scheduling basic server converts the video packet loss data to generate a monitoring video message, and sends the monitoring video message to a monitoring client;
the monitoring client analyzes the video packet loss reason according to the monitoring video message and displays the video packet loss reason;
the video networking terminal generates video packet loss data according to the monitoring network packet loss data and sends the video packet loss data to a scheduling basic server, and the method comprises the following steps:
the video network terminal acquires video network packet loss data after receiving the monitoring network packet loss data;
merging the monitoring network packet loss data and the video network packet loss data to obtain video packet loss data;
and sending the video packet loss data to a scheduling basic server according to a preset video networking protocol.
2. The method of claim 1, further comprising:
in the process of calling the monitoring video of the monitoring equipment, the coordination gateway receives a video packet pushed by the monitoring equipment;
and in the process of playing the monitoring video, the video network terminal determines video network packet loss data according to the received video packet.
3. The method according to any one of claims 1 to 2, wherein the step of converting the video packet loss data by the scheduling base server to generate a monitoring video message and sending the monitoring video message to the monitoring client comprises:
after receiving the video packet loss data, the scheduling basic server analyzes the video packet loss data according to a preset video networking protocol to obtain video packet loss information;
generating a monitoring video message according to the video packet loss information;
and sending the monitoring video message to a monitoring client according to a preset network communication protocol.
4. The method according to claim 1 or 2, wherein the analyzing, by the monitoring client, the reason for the video packet loss according to the monitoring video message includes:
after receiving the monitoring video message, the monitoring client identifies the monitoring network packet loss data and/or the video network packet loss data from the monitoring video message;
and determining the video packet loss reason based on the monitoring network packet loss data and/or the video network packet loss data.
5. A video monitoring system, which is applied in video network, includes: the system comprises a protocol conversion gateway, a video network terminal, a scheduling basic server and a monitoring client;
the protocol conversion gateway is used for determining monitoring network packet loss data according to the received video packet and sending the monitoring network packet loss data to the video networking terminal;
the video networking terminal is used for generating video packet loss data according to the monitoring network packet loss data and sending the video packet loss data to the scheduling basic server;
the scheduling base server is used for converting the video packet loss data to generate a monitoring video message and sending the monitoring video message to a monitoring client;
the monitoring client is used for analyzing the video packet loss reason according to the monitoring video message and displaying the video packet loss reason;
the video network terminal comprises:
the video network packet loss data acquisition module is used for acquiring video network packet loss data after receiving the monitoring network packet loss data;
the packet loss data merging module is used for merging the monitoring network packet loss data and the video network packet loss data to obtain video packet loss data;
and the video packet loss data sending module is used for sending the video packet loss data to the scheduling basic server according to a preset video networking protocol.
6. The system of claim 5,
the coordination gateway is also used for receiving a video packet pushed by the monitoring equipment in the process of calling the monitoring video of the monitoring equipment;
the video network terminal is also used for determining video network packet loss data according to the received video packets in the process of playing the monitoring video.
7. The system according to any of claims 5 to 6, wherein said scheduling base server comprises:
the video packet loss data analysis module is used for analyzing the video packet loss data according to a preset video networking protocol after receiving the video packet loss data to obtain video packet loss information;
the monitoring video message generating module is used for generating a monitoring video message according to the video packet loss information;
and the monitoring video message sending module is used for sending the monitoring video message to the monitoring client according to a preset network communication protocol.
8. The system according to claim 5 or 6, wherein the monitoring client comprises:
the monitoring video message identification module is used for identifying the monitoring network packet loss data and/or the video network packet loss data from the monitoring video message after receiving the monitoring video message;
and the video packet loss reason determining module is used for determining the video packet loss reason based on the monitoring network packet loss data and/or the video network packet loss data.
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