CN108632558B - Video call method and device - Google Patents
Video call method and device Download PDFInfo
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- CN108632558B CN108632558B CN201710763492.3A CN201710763492A CN108632558B CN 108632558 B CN108632558 B CN 108632558B CN 201710763492 A CN201710763492 A CN 201710763492A CN 108632558 B CN108632558 B CN 108632558B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
Abstract
The embodiment of the invention provides a method and a device for video call, wherein the method is applied to a video network, the video network comprises a first video network terminal and a second video network terminal, and the method comprises the following steps: receiving a video call request sent by a mobile terminal; the video call request comprises a user number of the first video network terminal and a user number of the second video network terminal; aiming at the video call request, establishing a downlink communication link between the first video network terminal and the second video network terminal; and controlling the first video network terminal and the second video network terminal to carry out video call based on the downlink communication link. By the embodiment of the invention, the video call between the video network terminals is controlled by adopting the mobile terminal, the limitation that a video network terminal remote controller is required to be used or a video network user logs in is removed, and the user experience is improved.
Description
Technical Field
The invention relates to the field of video networking, in particular to a method and a device for video call.
Background
With the development of science and technology, the video networking technology is widely applied to various industries, such as the fields of office work, remote medical treatment, security protection, emergency command and the like, and the application of the video networking technology brings great convenience.
In a plurality of application scenes, video call is carried out by adopting a video network terminal, and a user can carry out video call by adopting the video network terminal of the user and the video network terminal of the other side.
When adopting the video networking technology to carry out video call, the user usually needs to use the remote controller to open the video networking terminal, then inputs the user number of the other side video networking terminal, just can carry out video call, perhaps, the user needs to input the user name, the password logs in to the video networking account, carries out corresponding operation again and controls the video networking terminal and carry out video call, and the operation is too loaded down with trivial details.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed to provide a method and apparatus for video call that overcome the above problems or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a method for video call, where the method is applied to a video network, and the video network includes a first video network terminal and a second video network terminal, and includes:
receiving a video call request sent by a mobile terminal; the video call request comprises a user number of the first video network terminal and a user number of the second video network terminal;
aiming at the video call request, establishing a downlink communication link between the first video network terminal and the second video network terminal;
and controlling the first video network terminal and the second video network terminal to carry out video call based on the downlink communication link.
Preferably, the method further comprises the following steps:
in the process of the video call, receiving a first control instruction which is sent by the mobile terminal and aims at the first video network terminal and/or the second video network terminal;
converting the first control instruction into a second control instruction based on a video networking protocol;
and sending the second control instruction to the first video network terminal and/or the second video network terminal so as to control a camera of the first video network terminal and/or the second video network terminal to execute the operation corresponding to the second control instruction.
Preferably, the step of controlling the first video network terminal to perform a video call with the second video network terminal based on the downlink communication link includes:
respectively sending a video call instruction to the first video networking terminal and the second video networking terminal;
receiving a first real-time video stream sent by the first video networking terminal according to the video call instruction, and sending the first real-time video stream to the second video networking terminal;
and receiving a second real-time video stream sent by the second video networking terminal according to the video call instruction, and sending the second real-time video stream to the first video networking terminal.
Preferably, the video call instruction includes a first video call instruction or a second video call instruction, the first video call instruction is used to control the camera to collect the real-time video stream, and the second video call instruction is used to control the display of the call option and control the camera to collect the real-time video stream after the user selects the call option.
Preferably, the step of establishing a downlink communication link between the first video network terminal and the second video network terminal for the video call request includes:
configuring a first downlink communication link for the first video network terminal according to the user number of the first video network terminal;
and configuring a second downlink communication link for the second video network terminal according to the user number of the second video network terminal.
Preferably, the video call request is a request sent by the mobile terminal based on WebSocket.
The embodiment of the invention also discloses a device for video call, which is applied to the video network, wherein the video network comprises a first video network terminal and a second video network terminal, and the device comprises:
the video call request receiving module is used for receiving a video call request sent by the mobile terminal; the video call request comprises a user number of the first video network terminal and a user number of the second video network terminal;
a downlink communication link establishing module, configured to establish a downlink communication link between the first video networking terminal and the second video networking terminal in response to the video call request;
and the video call control module is used for controlling the first video network terminal and the second video network terminal to carry out video call based on the downlink communication link.
Preferably, the method further comprises the following steps:
the first control instruction receiving module is used for receiving a first control instruction which is sent by the mobile terminal and aims at the first video network terminal and/or the second video network terminal in the video call process;
the second control instruction conversion module is used for converting the first control instruction into a second control instruction based on a video networking protocol;
and the second control instruction sending module is used for sending the second control instruction to the first video network terminal and/or the second video network terminal so as to control a camera of the first video network terminal and/or the second video network terminal to execute the operation corresponding to the second control instruction.
Preferably, the video call control module includes:
the video call instruction sending submodule is used for sending a video call instruction to the first video networking terminal and the second video networking terminal respectively;
the first real-time video stream forwarding sub-module is used for receiving a first real-time video stream sent by the first video networking terminal according to the video call instruction and sending the first real-time video stream to the second video networking terminal;
and the second real-time video stream forwarding submodule is used for receiving a second real-time video stream sent by the second video network terminal according to the video call instruction and sending the second real-time video stream to the first video network terminal.
Preferably, the downlink communication link establishing module includes:
the first downlink communication link configuration submodule is used for configuring a first downlink communication link for the first video network terminal according to the user number of the first video network terminal;
and the second downlink communication link configuration submodule is used for configuring a second downlink communication link for the second video network terminal according to the user number of the second video network terminal.
The embodiment of the invention also discloses electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the steps of the method are realized when the processor executes the program.
The embodiment of the invention also discloses a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the computer program realizes the steps of the method when being executed by a processor.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, the video call request sent by the mobile terminal is received, the downlink communication link between the first video network terminal and the second video network terminal is established aiming at the video call request, and then the first video network terminal and the second video network terminal are controlled to carry out video call based on the downlink communication link, so that the video call between the video network terminals is controlled by adopting the mobile terminal, the limitation that a video network terminal remote controller is required to be used or a video network user logs in is removed, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flow chart of the steps of a method of video calling in accordance with an embodiment of the present invention;
FIG. 6 is a flow chart of steps in another method of video calling in accordance with an embodiment of the present invention;
fig. 7 is a block diagram of a video call apparatus according to an embodiment of 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 (Servertechnology)
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.
1. 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: server, exchanger (including Ethernet protocol conversion gateway), terminal (including various set-top boxes, code board, memory, 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 server, access exchanger (including Ethernet protocol conversion gateway), terminal (including various set-top boxes, coding board, memory, 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 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 network, the core concept of the embodiment of the invention is provided, the video call request sent by the mobile terminal is received, the downlink communication link between the first video network terminal and the second video network terminal is established aiming at the video call request, and then the first video network terminal and the second video network terminal are controlled to carry out video call based on the downlink communication link, so that the video call between the video network terminals is controlled by adopting the mobile terminal, the limitation that a video network terminal remote controller is required to be used or a video network user logs in is removed, and the user experience is improved.
Referring to fig. 5, a flowchart illustrating steps of a method for video call according to an embodiment of the present invention is shown, where the method is applied to a video network, and the video network includes a first video network terminal and a second video network terminal.
Specifically, the embodiment of the present invention may include the following steps:
In the embodiment of the invention, the video call request sent by the mobile terminal is received, the downlink communication link between the first video network terminal and the second video network terminal is established aiming at the video call request, and then the first video network terminal and the second video network terminal are controlled to carry out video call based on the downlink communication link, so that the video call between the video network terminals is controlled by adopting the mobile terminal, the limitation that a video network terminal remote controller is required to be used or a video network user logs in is removed, and the user experience is improved.
Referring to fig. 6, a flowchart illustrating steps of a method for video call according to an embodiment of the present invention is shown, where the method is applied to a video network, and the video network includes a first video network terminal and a second video network terminal.
The terminal of the video network may include a physical terminal such as a set-top box (SetTopBox, STB), which may be called a set-top box or set-top box, and is a device for connecting a television set and an external signal source, and converting a compressed digital signal into television content and displaying the television content on the television set. Generally, the set-top box may be connected to a camera and a microphone for collecting multimedia data such as video data and audio data, and may also be connected to a television for playing multimedia data such as video data and audio data.
The terminal of the video network can also comprise a virtual video network terminal, the virtual video network terminal is a terminal for accessing the video network to realize special services, and refers to special software, an environment can be created between the terminal and a terminal user, the terminal user operates the software based on the environment created by the software, and the virtual video network terminal can be realized by the software of the terminal which runs programs like a real machine.
The embodiment of the invention can be applied to a server side, such as a cooperative server, and comprises the following steps:
601, receiving a video call request sent by a mobile terminal;
the mobile terminal may be located in an ethernet, and may be a smart Phone, a PDA (Personal digital assistant), a PC (Personal Computer), an intelligent robot, an intelligent wearable device, and the like, and the operating system of the mobile terminal may include operating systems such as Android, IOS, Windows Phone, and Windows, which are not limited in this respect.
The video call request may include a user number of the first video-networking terminal and a user number of the second video-networking terminal, which may be a request sent by the mobile terminal based on a WebSocket, where the WebSocket supports full-duplex communication between the client and the server in the mobile terminal, and may include an open handshake and a subsequent message frame on a TCP layer.
Specifically, a user can click and open an app (application) client on the mobile terminal, enter a video call function interface, such as a WeChat public number, present a list of contacts to the user under the interface, select a certain contact, and then send a video call request by using a WebSocket technology based on an HTML5 webpage to request a video call.
For the contacts of the video call, basic information such as head portraits and nicknames of the contacts can be pulled from an interface of a client to serve as the identifiers of the contacts, and each contact is provided with a bound default video networking terminal.
Before video communication is carried out, a user corresponding to each contact person can enter a terminal management function interface, under the interface, the user can add, modify, delete and check a video networking terminal list in a corresponding database, each user can add a plurality of video networking terminals, but only one default video networking terminal is bound with the user and used for dialing and answering video calls by default.
When a user selects a certain contact person to carry out video call, a client in the mobile terminal can determine a default video networking terminal of the user, such as a first video networking terminal, and then can determine a default video networking terminal of the contact person, such as a second video networking terminal, then the mobile terminal can request a server to establish a video call request between the first video networking terminal and the second video networking terminal, and the server can receive the video call request.
It should be noted that, before receiving a video call request sent by a mobile terminal, the mobile terminal may be paired with a server, for example, a server is configured in a client, connection information of the server is configured in the client, such as ip and port number, and is stored in a database as basic data, and when a user needs to connect to a certain server, a server may be selected from basic data of multiple servers to implement selection of the server.
In a preferred example, the user can also configure connection information of the message forwarding service in the client and then send data to the server through the message forwarding service.
after receiving the video call request, the server may establish a downlink communication link between the first video network terminal and the second video network terminal according to the user number of the first video network terminal and the user number of the second video network terminal in the video call request, so as to perform a video call between the first video network terminal and the second video network terminal.
In practical applications, since the video network is a network with a centralized control function, and includes a master control server and a lower level network device, the lower level network device includes a terminal, one of the core concepts of the video network is that a table is configured by the master control server to notify a switching device of a downlink communication link for a current service, and then a packet is transmitted based on the configured table.
Namely, the communication method in the video network includes:
the main control server configures a downlink communication link of the current service;
and transmitting the data packet of the current service sent by the source terminal to a target terminal (such as a first video network terminal and a second video network terminal) according to the downlink communication link.
In the embodiment of the present invention, configuring the downlink communication link of the current service includes: informing the switching equipment related to the downlink communication link of the current service to allocate a table;
further, transmitting according to the downlink communication link includes: the configured table is consulted, and the switching equipment transmits the received data packet through the corresponding port.
In particular implementations, the services include unicast communication services and multicast communication services. Namely, whether multicast communication or unicast communication, the core concept of the table matching-table can be adopted to realize communication in the video network.
As described above, the video network includes an access network portion, in which the master server is a node server, and the lower-level network device includes an access switch and a terminal.
For the unicast communication service in the access network, the step of configuring the downlink communication link of the current service by the master server may include the following steps:
in the substep S11, the main control server obtains downlink communication link information of the current service according to the service request protocol packet initiated by the source terminal, wherein the downlink communication link information includes downlink communication port information of the main control server and the access switch participating in the current service;
in the substep S12, the main control server sets a downlink port to which a packet of the current service is directed in a packet address table inside the main control server according to the downlink communication port information of the control server; sending a port configuration command to a corresponding access switch according to the downlink communication port information of the access switch;
in sub-step S13, the access switch sets the downstream port to which the packet of the current service is directed in its internal packet address table according to the port configuration command.
For a multicast communication service (such as a video call) in an access network, the step of acquiring downlink information of a current service by a master server may include the following sub-steps:
in the substep S21, the main control server obtains a service request protocol packet initiated by the target terminal and applying for the multicast communication service, wherein the service request protocol packet includes service type information, service content information and an access network address of the target terminal; wherein, the service content information comprises a service number;
substep S22, the master control server extracts the access network address of the source terminal in the preset content-address mapping table according to the service number;
in the substep of S23, the main control server obtains the multicast address corresponding to the source terminal and distributes the multicast address to the target terminal; and acquiring the communication link information of the current multicast service according to the service type information and the access network addresses of the source terminal and the target terminal.
In a preferred embodiment of the present invention, step 602 may include the following sub-steps:
substep S31, configuring a first downlink communication link for the first video network terminal according to the user number of the first video network terminal;
in the embodiment of the invention, the server can analyze the user number of the first video network terminal from the video call request, and then configures the first communication link for the first video network terminal according to the user number so as to communicate with the first video network terminal.
Substep S32, and configuring a second downlink communication link for the second video network terminal according to the user number of the second video network terminal.
Correspondingly, the server can analyze the user number of the second video network terminal from the video call request, and then configure a second downlink communication link for the second video network terminal according to the user number so as to communicate with the second video network terminal.
after a downlink communication link is established, the first video network terminal and the first video network terminal can acquire real-time video streams through the camera so as to carry out video call.
In a preferred embodiment of the present invention, step 603 may comprise the following sub-steps:
substep S41, respectively sending a video call instruction to the first video network terminal and the second video network terminal;
as an example, the video call instruction may include a first video call instruction or a second video call instruction, where the first video call instruction may be used to control the camera to capture a real-time video stream, and the second video call instruction may be used to control the presentation of a call option and control the camera to capture a real-time video stream after the user selects the video call instruction.
Specifically, before sending the video communication request, the mobile terminal may present a dialing option to the user, such as forced dialing or ordinary dialing, when the user selects forced dialing, the server may send a first video call instruction to a default video network terminal of the contact, such as a second video network terminal, and after receiving the first video call instruction, the second video network terminal directly starts the camera to collect a real-time video stream.
When the user selects and selects the common dialing, the server can send a second video call instruction to a default video networking terminal of the contact person, such as a second video networking terminal, the second video networking terminal displays call options to the user after receiving the second video call instruction, such as answering and refusing, after the user selects the answering option, such as selecting through a remote controller, a camera is started to collect real-time video streams, and after the user selects the refusing option, the video call is ended.
It should be noted that, when the first video network terminal is the default video network terminal of the mobile terminal, and the user selects to perform the video call, the first video network terminal may automatically start the camera to collect the real-time video stream, and the server may not send the video call instruction to the first video network terminal.
Substep S42, receiving a first real-time video stream sent by the first video networking terminal according to the video call instruction, and sending the first real-time video stream to the second video networking terminal;
after the first video networking terminal collects the first real-time video stream, the first real-time video stream can be sent to the server through the first downlink, and the server can send the first real-time video stream to the second video networking terminal through the second downlink.
And a substep S43, receiving a second real-time video stream sent by the second video network terminal according to the video call instruction, and sending the second real-time video stream to the first video network terminal.
After the second video networking terminal collects the second real-time video stream, the second real-time video stream can be sent to the server through the second downlink, and the server can send the second real-time video stream to the first video networking terminal through the first downlink.
in the process of carrying out video call between the first video network terminal and the second video network terminal, a user can click on the mobile terminal, the mobile terminal generates a corresponding first control instruction after detecting the user operation, the first control instruction is sent to the server, and the server can receive the first control instruction.
after receiving the first control instruction, the server may convert the first control instruction into a second control instruction which can be recognized by the video networking terminal based on the video networking protocol.
After obtaining second control command, the server can send second control command to first video network terminal and/or second video network terminal, and after first video network terminal and/or second video network terminal received second control command, can control the camera and carry out corresponding operation, if control camera up-and-down, left and right swing, adjustment camera position etc..
When the user wants to end the video call, the user can click a call ending button on the mobile terminal, the mobile terminal sends a call ending instruction to the server, the server sends the call ending instruction to the first video networking terminal and/or the second video networking terminal, and the video call is ended.
In the embodiment of the invention, the video call request sent by the mobile terminal is received, the downlink communication link between the first video network terminal and the second video network terminal is established aiming at the video call request, and then the first video network terminal and the second video network terminal are controlled to carry out video call based on the downlink communication link, so that the video call between the video network terminals is controlled by adopting the mobile terminal, the limitation that a video network terminal remote controller is required to be used or a video network user logs in is removed, and the user experience is improved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 7, a block diagram of a device for video call according to an embodiment of the present invention is shown, where the device is applied to a video network, where the video network includes a first video network terminal and a second video network terminal, and specifically includes the following modules:
a video call request receiving module 701, configured to receive a video call request sent by a mobile terminal; the video call request comprises a user number of the first video network terminal and a user number of the second video network terminal;
a downlink communication link establishing module 702, configured to establish a downlink communication link between the first video networking terminal and the second video networking terminal according to the video call request;
and a video call control module 703, configured to control the first video networking terminal and the second video networking terminal to perform a video call based on the downlink communication link.
In a preferred embodiment of the present invention, the method further comprises:
the first control instruction receiving module is used for receiving a first control instruction which is sent by the mobile terminal and aims at the first video network terminal and/or the second video network terminal in the video call process;
the second control instruction conversion module is used for converting the first control instruction into a second control instruction based on a video networking protocol;
and the second control instruction sending module is used for sending the second control instruction to the first video network terminal and/or the second video network terminal so as to control a camera of the first video network terminal and/or the second video network terminal to execute the operation corresponding to the second control instruction.
In a preferred embodiment of the present invention, the video call control module 703 includes:
the video call instruction sending submodule is used for sending a video call instruction to the first video networking terminal and the second video networking terminal respectively;
the first real-time video stream forwarding sub-module is used for receiving a first real-time video stream sent by the first video networking terminal according to the video call instruction and sending the first real-time video stream to the second video networking terminal;
and the second real-time video stream forwarding submodule is used for receiving a second real-time video stream sent by the second video network terminal according to the video call instruction and sending the second real-time video stream to the first video network terminal.
In a preferred embodiment of the present invention, the downlink communication link establishing module 702 includes:
the first downlink communication link configuration submodule is used for configuring a first downlink communication link for the first video network terminal according to the user number of the first video network terminal;
and the second downlink communication link configuration submodule is used for configuring a second downlink communication link for the second video network terminal according to the user number of the second video network terminal.
In the embodiment of the invention, the video call request sent by the mobile terminal is received, the downlink communication link between the first video network terminal and the second video network terminal is established aiming at the video call request, and then the first video network terminal and the second video network terminal are controlled to carry out video call based on the downlink communication link, so that the video call between the video network terminals is controlled by adopting the mobile terminal, the limitation that a video network terminal remote controller is required to be used or a video network user logs in is removed, and the user experience is improved.
The embodiment of the invention also discloses an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of the method.
The embodiment of the invention also discloses a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the computer program realizes the steps of the method when being executed by a processor.
For the embodiments of the apparatus, the electronic device, and the computer-readable storage medium, since they are substantially similar to the embodiments of the method, the description is simple, and for the relevant points, reference may be made to the partial description of the embodiments of the method.
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 method and the device for video call provided by the present invention are introduced in detail, and a specific example is applied in the text to explain the principle and the implementation of the present invention, and the description of the above embodiment is 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. A method for video call is applied to a video network, wherein the video network comprises a first video network terminal and a second video network terminal, and the method comprises the following steps:
receiving a video call request sent by a mobile terminal; the video call request comprises a user number of the first video network terminal and a user number of the second video network terminal;
aiming at the video call request, establishing a downlink communication link between the first video network terminal and the second video network terminal;
controlling the first video networking terminal to carry out video call with the second video networking terminal based on the downlink communication link;
wherein, still include:
in the process of the video call, receiving a first control instruction which is sent by the mobile terminal and aims at the first video network terminal and/or the second video network terminal;
converting the first control instruction into a second control instruction based on a video networking protocol;
and sending the second control instruction to the first video network terminal and/or the second video network terminal so as to control a camera of the first video network terminal and/or the second video network terminal to execute the operation corresponding to the second control instruction.
2. The method according to claim 1, wherein the step of controlling the first video network terminal to conduct a video call with the second video network terminal based on the downlink communication link comprises:
respectively sending a video call instruction to the first video networking terminal and the second video networking terminal;
receiving a first real-time video stream sent by the first video networking terminal according to the video call instruction, and sending the first real-time video stream to the second video networking terminal;
and receiving a second real-time video stream sent by the second video networking terminal according to the video call instruction, and sending the second real-time video stream to the first video networking terminal.
3. The method according to claim 2, wherein the video call instruction comprises a first video call instruction or a second video call instruction, the first video call instruction is used for controlling the camera to collect the real-time video stream, the second video call instruction is used for controlling the presentation of the call option, and the camera is controlled to collect the real-time video stream after the user selects the video call instruction.
4. The method according to claim 1 or 3, wherein the step of establishing a downlink communication link between the first video network terminal and the second video network terminal for the video call request comprises:
configuring a first downlink communication link for the first video network terminal according to the user number of the first video network terminal;
and configuring a second downlink communication link for the second video network terminal according to the user number of the second video network terminal.
5. The method of claim 1, wherein the video call request is a request sent by the mobile terminal based on WebSocket.
6. The device for video call is characterized in that the device is applied to a video network, the video network comprises a first video network terminal and a second video network terminal, and the device comprises:
the video call request receiving module is used for receiving a video call request sent by the mobile terminal; the video call request comprises a user number of the first video network terminal and a user number of the second video network terminal;
a downlink communication link establishing module, configured to establish a downlink communication link between the first video networking terminal and the second video networking terminal in response to the video call request;
the video call control module is used for controlling the first video network terminal and the second video network terminal to carry out video call based on the downlink communication link;
wherein, still include:
the first control instruction receiving module is used for receiving a first control instruction which is sent by the mobile terminal and aims at the first video network terminal and/or the second video network terminal in the video call process;
the second control instruction conversion module is used for converting the first control instruction into a second control instruction based on a video networking protocol;
and the second control instruction sending module is used for sending the second control instruction to the first video network terminal and/or the second video network terminal so as to control a camera of the first video network terminal and/or the second video network terminal to execute the operation corresponding to the second control instruction.
7. The apparatus of claim 6, wherein the video call control module comprises:
the video call instruction sending submodule is used for sending a video call instruction to the first video networking terminal and the second video networking terminal respectively;
the first real-time video stream forwarding sub-module is used for receiving a first real-time video stream sent by the first video networking terminal according to the video call instruction and sending the first real-time video stream to the second video networking terminal;
and the second real-time video stream forwarding submodule is used for receiving a second real-time video stream sent by the second video network terminal according to the video call instruction and sending the second real-time video stream to the first video network terminal.
8. The apparatus of claim 6, wherein the downlink communication link establishing module comprises:
the first downlink communication link configuration submodule is used for configuring a first downlink communication link for the first video network terminal according to the user number of the first video network terminal;
and the second downlink communication link configuration submodule is used for configuring a second downlink communication link for the second video network terminal according to the user number of the second video network terminal.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the method of any of claims 1 to 5 are implemented when the program is executed by the processor.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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| CN109862307B (en) * | 2019-01-25 | 2021-09-10 | 视联动力信息技术股份有限公司 | Video conference initiating method and device |
| CN109873864B (en) * | 2019-02-02 | 2020-12-11 | 视联动力信息技术股份有限公司 | Communication connection establishing method and system based on video networking |
| CN109842630B (en) * | 2019-03-08 | 2021-10-08 | 视联动力信息技术股份有限公司 | Video processing method and device |
| CN109963123B (en) * | 2019-03-21 | 2021-10-19 | 视联动力信息技术股份有限公司 | Camera control method and device |
| CN110113309B (en) * | 2019-04-03 | 2021-12-03 | 视联动力信息技术股份有限公司 | Resource processing method and device |
| CN110191092B (en) * | 2019-04-26 | 2021-03-05 | 视联动力信息技术股份有限公司 | Video call processing method and video networking system |
| CN112261335B (en) * | 2019-07-22 | 2021-10-29 | 大唐移动通信设备有限公司 | Equipment control method and communication device in video call process |
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