CN110012304B - Live broadcast processing method and video networking system - Google Patents
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Abstract
The embodiment of the invention provides a live broadcast processing method and a video networking system, wherein the method is applied to the video networking, and the video networking system comprises the following steps: the method comprises the steps that a streaming media server and a first terminal, a second terminal and a third terminal which are communicated with the streaming media server mutually, and the method comprises the following steps: receiving first direct broadcasting data sent by a first terminal; sending the first direct-broadcast data to a third terminal through a first channel of a virtual terminal, wherein the virtual terminal is deployed in a streaming media server; receiving second live broadcast data sent by a second terminal when a live broadcast access request of the second terminal is detected; and sending the second live broadcast data to a third terminal through a second channel of the virtual terminal. According to the embodiment of the invention, the video network live broadcast connection is realized in a virtual terminal size stream two-way transmission mode, the blocking and the delay during the video network live broadcast connection are avoided, and the real-time performance of the video network live broadcast connection is ensured.
Description
Technical Field
The invention relates to the technical field of video networking, in particular to a live broadcast processing method and a video networking system.
Background
The video networking is an important milestone for network development, is a higher-level form of the Internet, is a real-time network, can realize the real-time transmission of full-network high-definition videos which cannot be realized by the existing Internet, and pushes a plurality of Internet applications to high-definition video.
When live online conversation is carried out in the existing video network, a live acquisition party receives media streams from a live provider and an access party in a single way. In this case, if the data transmission amount is too large, the media stream analysis is delayed and blocked, the live broadcast connection is jammed and delayed, and the real-time performance and stability of the live broadcast connection are seriously affected.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed to provide a live broadcast processing method and a video networking system that overcome or at least partially solve the above problems.
In order to solve the above problem, a first aspect of an embodiment of the present invention discloses a live broadcast processing method, where the method is applied to a streaming media server in a video network, and the video network includes: the method comprises the steps that a streaming media server and a first terminal, a second terminal and a third terminal which are communicated with the streaming media server mutually are adopted, and the method comprises the following steps:
the streaming media server receives first direct broadcasting data sent by the first terminal;
the streaming media server sends the first direct-broadcast data to the third terminal through a first channel of a virtual terminal, and the virtual terminal is deployed in the streaming media server;
when the streaming media server detects a live broadcast access request of the second terminal, receiving second live broadcast data sent by the second terminal;
and the streaming media server sends the second live broadcast data to the third terminal through a second channel of the virtual terminal.
Preferably, before the step of receiving the first live data of the first terminal by the streaming media server, the method further includes:
the streaming media server receives a live broadcast initiating request sent by the first terminal;
the streaming media server distributes a virtual terminal to the first terminal according to the live broadcast initiating request;
and the streaming media server establishes communication connection between the first terminal and the virtual terminal.
Preferably, the allocating, by the streaming media server, the virtual terminal to the first terminal according to the live broadcast initiation request includes:
the live broadcast initiating request comprises an IP (Internet protocol) of the first terminal, a video networking account and a password;
the streaming media server verifies whether the video networking number and the password of the first terminal in the live broadcast initiating request are legal or not;
if the video networking account number and the password of the first terminal are legal, the virtual terminal is allocated according to the IP of the first terminal;
and if the video networking account number and the password of the first terminal are illegal, returning an error prompt to the first terminal.
Preferably, the live broadcast access request includes a live broadcast identifier of the first terminal, a video networking account and a password of the second terminal;
when the streaming media server detects a live broadcast access request of the second terminal, before the step of receiving second live broadcast data sent by the second terminal, the method includes:
the streaming media server verifies whether the video networking account and the password in the live broadcast access request are legal or not;
if the video networking account and the password of the second terminal in the live broadcast access request are legal, the streaming media server establishes communication connection between the second terminal and the virtual terminal according to the live broadcast identification of the first terminal;
the streaming media server receives second live broadcast data sent by the second terminal;
and if the video networking account number and the password in the live broadcast access request are illegal, returning error prompt information to the second terminal.
Preferably, before the step of sending the first direct-broadcast data to the third terminal by the streaming server through a first channel of a virtual terminal deployed in the streaming server, the method further includes:
the streaming media server receives a live broadcast acquisition request sent by the third terminal, wherein the live broadcast acquisition request comprises a live broadcast identifier of the first terminal, a video networking account of the third terminal and a password of the third terminal;
the streaming media server verifies whether the video networking number and the password in the live broadcast acquisition request are legal or not;
if the video networking number and the password in the live broadcast return request are legal, the streaming media server establishes communication connection between the third terminal and the virtual terminal according to the live broadcast identification of the first terminal;
and if the video networking number and the password in the live broadcast return request are illegal, returning error prompt information to the third terminal.
The second aspect of the embodiment of the present invention discloses a video networking system, which includes: the streaming media server, and the first terminal, the second terminal and the third terminal which are connected with the streaming media server in a communication way, the streaming media server comprises:
a receiving module, configured to receive first direct broadcast data sent by the first terminal;
a first sending module, configured to send the first direct broadcast data to the third terminal through a first channel of a virtual terminal, where the virtual terminal is deployed in the streaming media server;
the access module is used for receiving second live broadcast data sent by the second terminal when a live broadcast access request of the second terminal is detected;
and the second sending module is used for sending the second live broadcast data to the third terminal through a second channel of the virtual terminal.
Preferably, before the receiving module, the method further includes:
the request module is used for receiving a live broadcast initiating request sent by the first terminal;
the distribution module is used for distributing a virtual terminal to the first terminal according to the live broadcast initiating request;
and a first connection module establishes communication connection between the first terminal and the virtual terminal.
Preferably, the live broadcast initiation request includes an IP of the first terminal, a video networking account, and a password;
the distribution module includes:
the verification submodule is used for verifying whether the video networking number and the password of the first terminal in the live broadcast initiating request are legal or not;
the distribution submodule is used for distributing the virtual terminal according to the IP of the first terminal if the video networking account number and the password of the first terminal are legal;
and the error submodule is used for returning an error prompt to the first terminal if the video networking account number and the password of the first terminal are illegal.
Preferably, the live broadcast access request includes a live broadcast identifier of the first terminal, a video networking account and a password of the second terminal;
before the access module, the method comprises the following steps:
the first verification module is used for verifying whether the video networking account and the password in the live broadcast access request are legal or not;
the second connection module is used for establishing communication connection between the second terminal and the virtual terminal according to the live broadcast identification of the first terminal if the video networking account number and the password of the second terminal in the live broadcast access request are legal;
the second receiving module is used for receiving second live broadcast data sent by the second terminal;
and the first error module is used for returning error prompt information to the second terminal if the video networking account number and the password in the live broadcast access request are illegal.
Preferably, before the first sending module, the method further includes:
an obtaining module, configured to receive a live broadcast obtaining request sent by the third terminal, where the live broadcast obtaining request includes a live broadcast identifier of the first terminal, a video networking account of the third terminal, and a password of the third terminal;
the second verification module is used for verifying whether the video network number and the password in the live broadcast acquisition request are legal or not;
the third connection module is used for establishing communication connection between the third terminal and the virtual terminal according to the live broadcast identification of the first terminal if the video networking number and the password in the live broadcast return request are legal;
and the second error module is used for returning error prompt information to the third terminal if the video networking number and the password in the live broadcast return request are illegal.
The embodiment of the invention has the following advantages:
the embodiment of the invention provides a live broadcast processing method and a video network system, wherein the method is applied to a streaming media server in the video network, and the video network comprises the following steps: the method comprises the steps that a streaming media server and a first terminal, a second terminal and a third terminal which are communicated with the streaming media server mutually, and the method comprises the following steps: receiving first direct broadcasting data sent by a first terminal; sending the first direct-broadcast data to a third terminal through a first channel of a virtual terminal, wherein the virtual terminal is deployed in a streaming media server; receiving second live broadcast data sent by a second terminal when a live broadcast access request of the second terminal is detected; and sending the second live broadcast data to a third terminal through a second channel of the virtual terminal. According to the embodiment of the invention, the video network live broadcast connection is realized in a virtual terminal size stream two-way transmission mode, the blocking and the delay during the video network live broadcast connection are avoided, and the real-time performance of the video network live broadcast connection is ensured.
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 schematic diagram of a data transmission process during a live broadcast process according to the present invention;
FIG. 6 is a flow chart of the steps of a live processing method of the present invention;
fig. 7 is a block diagram of a video networking system 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.
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 network, the invention provides one of the core concepts of the embodiment, and the streaming media server is in communication connection with all terminals according to the protocol of the video network; and the virtual terminal deployed in the media sends the live broadcast data to the third terminal.
In the embodiment of the invention, the video network comprises a streaming media server, and a first terminal, a second terminal and a third terminal which are in communication connection with the streaming media server.
Referring to fig. 5, in the embodiment of the present invention, a streaming server 501, a first terminal 502, a second terminal 503, and a third terminal 504 are transmitted through a video network, and the streaming server 501 transmits video data to the third terminal through a virtual terminal 505 disposed inside the streaming server.
Example one
Referring to fig. 6, a flow chart showing steps of a live broadcast processing method embodiment of the present invention is shown, the method is applied to a streaming media server in a video network, the video network includes: the method comprises the steps that a streaming media server and a first terminal, a second terminal and a third terminal which are communicated with the streaming media server mutually are adopted, and the method comprises the following steps:
In the embodiment of the invention, the first terminal is a chairman terminal of a live broadcast connection and is used for initiating the live broadcast connection. And when a live broadcast connection is required to be opened, the first terminal sends the first live broadcast data to the streaming media server.
Preferably, before the step 601, the method may include: receiving a live broadcast initiating request sent by the first terminal; distributing a virtual terminal to the first terminal according to the live broadcast initiating request; and establishing communication connection between the first terminal and the virtual terminal. The live broadcast initiating request comprises an IP (Internet protocol) of the first terminal, a video networking account and a password; verifying whether the video networking number and the password of the first terminal in the live broadcast initiating request are legal or not; if the video networking account number and the password of the first terminal are legal, the virtual terminal is allocated according to the IP of the first terminal; and if the video networking account number and the password of the first terminal are illegal, returning an error prompt to the first terminal.
In the embodiment of the invention, the first terminal sends a live broadcast initiation request to the streaming media server according to a requirement, and the streaming media server verifies whether the identity of the first terminal is legal or not according to the video networking account and the password of the first terminal in the live broadcast initiation request, namely whether the video networking account and the password of the first terminal are matched or not. And if the identity of the first terminal is legal, distributing a virtual terminal in a virtual terminal pool of the streaming media server according to the IP of the first terminal to establish communication connection with the first terminal.
In the embodiment of the invention, the identity of the first terminal is verified when the first terminal initiates the live broadcast, so that the virtual terminal is distributed to be connected with the first terminal, the first live broadcast data is input into the first channel of the virtual terminal, and the safety of live broadcast connection is ensured.
In the embodiment of the present invention, the virtual terminal is deployed inside the streaming media server, and is configured to provide a data processing service for the first terminal, where the virtual terminal includes two media stream output channels of a large stream and a small stream, and the difference between the large stream output channel and the small stream output channel is that the encoding sizes of transmission data are different. The third terminal is a live broadcast acquirer, when the live broadcast acquirer accesses the streaming media server, the virtual terminal can send the first live broadcast data to the third terminal through the first channel, where the first channel can be a large channel of the virtual terminal, so that the third terminal can acquire a high-definition live broadcast picture of a live broadcast initiator, and a small channel of the virtual terminal can simultaneously transmit a relatively small-size code of the virtual terminal, so that the third terminal acquires the relatively low-resolution live broadcast picture of the live broadcast access while acquiring the high-definition picture of the live broadcast initiator. Generally, the large and small stream channels can be used for transmitting the pictures of the live broadcast access party and the live broadcast initiator, and the efficiency of live broadcast connection can be improved by distributing the large and small stream channels according to the data coding size based on the actual requirement on the picture resolution.
In the embodiment of the present invention, the streaming media server defaults to send the first direct broadcast data to the third terminal through the first channel of the virtual terminal, and based on actual needs, the streaming media server may also send the first direct broadcast data to the third terminal through the second channel of the virtual terminal.
In the embodiment of the present invention, the second terminal is a live broadcast access party, that is, a terminal that needs to be connected with the first terminal for live broadcast. And after receiving the live broadcast access request of the second terminal, the streaming media accesses the second terminal to the streaming media server and receives the second live broadcast data.
Preferably, before the step 603, the live broadcast access request may include a live broadcast identifier of the first terminal, a video networking account and a password of the second terminal; verifying whether the video networking account and the password in the live broadcast access request are legal or not; if the video networking account and the password of the second terminal in the live broadcast access request are legal, establishing communication connection between the second terminal and the virtual terminal according to the live broadcast identification of the first terminal; receiving second live broadcast data sent by the second terminal; and if the video networking account number and the password in the live broadcast access request are illegal, returning error prompt information to the second terminal.
In the embodiment of the present invention, after the first terminal initiates the online live broadcast, the second terminal may send a live broadcast access request including the video networking account, the password, and the live broadcast identifier of the first terminal to the streaming media server. And then the streaming media server performs matching verification on the video networking account number and the password of the second terminal. And if the verification is passed, inquiring the virtual terminal of the first terminal according to the live broadcast identification of the first terminal, and establishing communication connection between the second terminal and the virtual terminal. And if the verification is not passed, returning error prompt information containing error content to the second terminal.
In the embodiment of the invention, the identity information of the second terminal is verified to establish the communication connection with the virtual terminal, so that the second live broadcast data is input into the second channel of the virtual terminal, the safety of live broadcast connection is ensured,
In this embodiment of the present invention, the second channel may be a streamlet channel of the virtual terminal. The live broadcast connection line is used for displaying a live broadcast picture of a chairman party, namely the first terminal, to a viewer, and the live broadcast pictures of the live broadcast access party and the second terminal are displayed in a side window mode, so that the second live broadcast data can be transmitted through a video stream with lower resolution than the first live broadcast picture. The streaming media server can send the second live broadcast picture to the third terminal through the second channel, so that the third terminal can obtain a live broadcast connection picture of the first terminal and the second terminal.
Preferably, before the step 604, the method may include: verifying whether the video networking number and the password in the live broadcast acquisition request are legal or not; if the video networking number and the password in the live broadcast return request are legal, establishing communication connection between the third terminal and the virtual terminal according to the live broadcast identification of the first terminal; and if the video networking number and the password in the live broadcast return request are illegal, returning error prompt information to the third terminal.
In the embodiment of the present invention, the streaming media server determines whether the identity of the third terminal is legal or not by determining whether the video network number and the password of the third terminal in the live broadcast acquisition request are matched or not, if the identity of the third terminal is legal, a communication connection between the third terminal and the second terminal is established according to the live broadcast identifier, and the communication connection passes through a small stream channel of the virtual terminal. And if the identity of the third terminal is illegal, returning error prompt information containing error content to the third terminal.
In the embodiment of the invention, the third terminal is subjected to identity verification when the third terminal is accessed to the streaming media server, and the communication connection is established with the virtual terminal, so that the live connection data is sent to the third terminal through the large and small flow channels of the virtual terminal, and the safety of the live connection is ensured.
The embodiment of the invention provides a live broadcast processing method, which is applied to a video network, wherein the video network comprises the following steps: the method comprises the steps that a streaming media server and a first terminal, a second terminal and a third terminal which are communicated with the streaming media server mutually, and the method comprises the following steps: receiving first direct broadcasting data sent by a first terminal; sending the first direct-broadcast data to a third terminal through a first channel of a virtual terminal, wherein the virtual terminal is deployed in a streaming media server; receiving second live broadcast data sent by a second terminal when a live broadcast access request of the second terminal is detected; and sending the second live broadcast data to a third terminal through a second channel of the virtual terminal. According to the embodiment of the invention, the video network live broadcast connection is realized in a virtual terminal size stream two-way transmission mode, the blocking and the delay during the video network live broadcast connection are avoided, and the real-time performance of the video network live broadcast connection is ensured.
Example two
Referring to fig. 7, a block diagram of an embodiment of a video networking system 700 of the present invention is shown, the video networking system comprising: the streaming media server, and the first terminal, the second terminal and the third terminal which are connected with the streaming media server in a communication way, the streaming media server comprises:
a receiving module 701, configured to receive first direct broadcast data sent by the first terminal.
Preferably, before the receiving module 701, the method further includes: the request module is used for receiving a live broadcast initiating request sent by the first terminal; the distribution module is used for distributing a virtual terminal to the first terminal according to the live broadcast initiating request; and a first connection module establishes communication connection between the first terminal and the virtual terminal. The live broadcast initiating request comprises an IP (Internet protocol) of the first terminal, a video networking account and a password; the distribution module includes: the verification submodule is used for verifying whether the video networking number and the password of the first terminal in the live broadcast initiating request are legal or not; the distribution submodule is used for distributing the virtual terminal according to the IP of the first terminal if the video networking account number and the password of the first terminal are legal; and the error submodule is used for returning an error prompt to the first terminal if the video networking account number and the password of the first terminal are illegal.
A first sending module 702, configured to send the first direct broadcast data to the third terminal through a first channel of a virtual terminal, where the virtual terminal is deployed inside the streaming media server.
Preferably, the first sending module 702 further comprises: an obtaining module, configured to receive a live broadcast obtaining request sent by the third terminal, where the live broadcast obtaining request includes a live broadcast identifier of the first terminal, a video networking account of the third terminal, and a password of the third terminal; the second verification module is used for verifying whether the video network number and the password in the live broadcast acquisition request are legal or not; the third connection module is used for establishing communication connection between the third terminal and the virtual terminal according to the live broadcast identification of the first terminal if the video networking number and the password in the live broadcast return request are legal; and the second error module is used for returning error prompt information to the third terminal if the video networking number and the password in the live broadcast return request are illegal.
An access module 703 is configured to receive second live data sent by the second terminal when detecting a live access request of the second terminal.
Preferably, the live broadcast access request includes a live broadcast identifier of the first terminal, a video networking account and a password of the second terminal; the access module 703 comprises: the first verification module is used for verifying whether the video networking account and the password in the live broadcast access request are legal or not; the second connection module is used for establishing communication connection between the second terminal and the virtual terminal according to the live broadcast identification of the first terminal if the video networking account number and the password of the second terminal in the live broadcast access request are legal; the second receiving module is used for receiving second live broadcast data sent by the second terminal; and the first error module is used for returning error prompt information to the second terminal if the video networking account number and the password in the live broadcast access request are illegal.
A second sending module 704, configured to send the second live data to the third terminal through a second channel of the virtual terminal.
The embodiment of the invention provides a video networking system, which comprises: the streaming media server, and the first terminal, the second terminal and the third terminal which are connected with the streaming media server in a communication way, the streaming media server comprises: a receiving module, configured to receive first direct broadcast data sent by the first terminal; a first sending module, configured to send the first direct broadcast data to the third terminal through a first channel of a virtual terminal, where the virtual terminal is deployed in the streaming media server; the access module is used for receiving second live broadcast data sent by the second terminal when a live broadcast access request of the second terminal is detected; and the second sending module is used for sending the second live broadcast data to the third terminal through a second channel of the virtual terminal. According to the embodiment of the invention, the video network live broadcast connection is realized in a virtual terminal size stream two-way transmission mode, the blocking and the delay during the video network live broadcast connection are avoided, and the real-time performance of the video network live broadcast connection is ensured.
For the embodiment of the video networking system, since it is basically similar to the embodiment of the method, the description is simple, and for relevant points, reference may be made to part of the description of the embodiment 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.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, a video networking system, or a 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 a visual networking system 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 video network systems 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 live broadcast processing method and the video networking 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 embodiments 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 live broadcast processing method is applied to a video network, and the video network comprises the following steps: the method comprises the steps that a streaming media server and a first terminal, a second terminal and a third terminal which are communicated with the streaming media server mutually are adopted, and the method comprises the following steps:
receiving first direct broadcasting data sent by the first terminal;
sending the first direct broadcast data to the third terminal through a first channel of a virtual terminal, wherein the virtual terminal is deployed in the streaming media server and comprises a large stream channel and a small stream channel, the coding sizes of data transmitted by the large stream channel and the small stream channel are different, the first channel of the virtual terminal is the large stream channel, and a picture output through the large stream channel is a high-resolution direct broadcast picture;
when a live broadcast access request of the second terminal is detected, receiving second live broadcast data sent by the second terminal;
sending the second live broadcast data to the third terminal through a second channel of the virtual terminal, wherein the second channel of the virtual terminal is a small stream channel, and a picture output through the small stream channel is a low-resolution live broadcast picture;
before the step of receiving the first broadcast data of the first terminal, the method further includes:
receiving a live broadcast initiating request sent by the first terminal;
distributing a virtual terminal to the first terminal according to the live broadcast initiating request;
and establishing communication connection between the first terminal and the virtual terminal.
2. The method of claim 1, wherein the allocating a virtual terminal to the first terminal according to the live initiation request comprises:
the live broadcast initiating request comprises an IP (Internet protocol) of the first terminal, a video networking account and a password;
verifying whether the video networking account number and the password of the first terminal in the live broadcast initiating request are legal or not;
if the video networking account number and the password of the first terminal are legal, the virtual terminal is allocated according to the IP of the first terminal;
and if the video networking account number and the password of the first terminal are illegal, returning an error prompt to the first terminal.
3. The method of claim 1, wherein the live access request comprises a live identification of the first terminal, a video networking account and a password of the second terminal;
when the live broadcast access request of the second terminal is detected, before the step of receiving the second live broadcast data sent by the second terminal, the method includes:
verifying whether the video networking account and the password in the live broadcast access request are legal or not;
if the video networking account and the password of the second terminal in the live broadcast access request are legal, establishing communication connection between the second terminal and the virtual terminal according to the live broadcast identification of the first terminal;
receiving second live broadcast data sent by the second terminal;
and if the video networking account number and the password in the live broadcast access request are illegal, returning error prompt information to the second terminal.
4. The method according to claim 1, wherein the step of sending the first direct broadcast data to the third terminal through the first channel of the virtual terminal is preceded by:
receiving a live broadcast acquisition request sent by the third terminal, wherein the live broadcast acquisition request comprises a live broadcast identification of the first terminal, a video networking account of the third terminal and a password of the third terminal;
verifying whether the video networking account number and the password in the live broadcast acquisition request are legal or not;
if the video networking account and the password in the live broadcast acquisition request are legal, establishing communication connection between the third terminal and the virtual terminal according to the live broadcast identification of the first terminal;
and if the video networking account number and the password in the live broadcast acquisition request are illegal, returning error prompt information to the third terminal.
5. An internet of view system, comprising: the streaming media server, and the first terminal, the second terminal and the third terminal which are connected with the streaming media server in a communication way, the streaming media server comprises:
a receiving module, configured to receive first direct broadcast data sent by the first terminal;
a first sending module, configured to send the first live broadcast data to the third terminal through a first channel of a virtual terminal, where the virtual terminal is deployed inside the streaming media server, the virtual terminal includes a large stream channel and a small stream channel, codes of data transmitted by the large stream channel and the small stream channel are different in size, the first channel of the virtual terminal is the large stream channel, and a picture output through the large stream channel is a high-resolution live broadcast picture;
the access module is used for receiving second live broadcast data sent by the second terminal when a live broadcast access request of the second terminal is detected;
the second sending module is used for sending the second live broadcast data to the third terminal through a second channel of the virtual terminal, wherein the second channel of the virtual terminal is a small stream channel, and a picture output through the small stream channel is a low-resolution live broadcast picture;
before the receiving module, the method further comprises:
the request module is used for receiving a live broadcast initiating request sent by the first terminal;
the distribution module is used for distributing a virtual terminal to the first terminal according to the live broadcast initiating request;
and a first connection module establishes communication connection between the first terminal and the virtual terminal.
6. The video networking system of claim 5, wherein the live initiation request comprises an IP of the first terminal, a video networking account number, a password;
the distribution module includes:
the verification submodule is used for verifying whether the video networking account and the password of the first terminal in the live broadcast initiating request are legal or not;
the distribution submodule is used for distributing the virtual terminal according to the IP of the first terminal if the video networking account number and the password of the first terminal are legal;
and the error submodule is used for returning an error prompt to the first terminal if the video networking account number and the password of the first terminal are illegal.
7. The video networking system of claim 5, wherein the live access request comprises a live identification of the first terminal, a video networking account number and a password of the second terminal;
before the access module, the method comprises the following steps:
the first verification module is used for verifying whether the video networking account and the password in the live broadcast access request are legal or not;
the second connection module is used for establishing communication connection between the second terminal and the virtual terminal according to the live broadcast identification of the first terminal if the video networking account number and the password of the second terminal in the live broadcast access request are legal;
the second receiving module is used for receiving second live broadcast data sent by the second terminal;
and the first error module is used for returning error prompt information to the second terminal if the video networking account number and the password in the live broadcast access request are illegal.
8. The video networking system of claim 5, wherein the first sending module is preceded by:
an obtaining module, configured to receive a live broadcast obtaining request sent by the third terminal, where the live broadcast obtaining request includes a live broadcast identifier of the first terminal, a video networking account of the third terminal, and a password of the third terminal;
the second verification module is used for verifying whether the video networking account and the password in the live broadcast acquisition request are legal or not;
the third connection module is used for establishing communication connection between the third terminal and the virtual terminal according to the live broadcast identification of the first terminal if the video networking account and the password in the live broadcast acquisition request are legal;
and the second error module is used for returning error prompt information to the third terminal if the video networking account number and the password in the live broadcast acquisition request are illegal.
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