CN109246135B - Method and system for acquiring streaming media data - Google Patents
Method and system for acquiring streaming media data Download PDFInfo
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- CN109246135B CN109246135B CN201811224102.6A CN201811224102A CN109246135B CN 109246135 B CN109246135 B CN 109246135B CN 201811224102 A CN201811224102 A CN 201811224102A CN 109246135 B CN109246135 B CN 109246135B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1013—Network architectures, gateways, control or user entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
Abstract
The embodiment of the invention provides a method and a system for acquiring streaming media data, wherein the method comprises the following steps: the video networking synchronization server acquires network management summarized data from a video networking conference management server; the video networking synchronous server generates address book directory data and address book terminal data according to the network management summarized data; the video network synchronization server establishes a corresponding relation between address book terminal data and bridging codes; the video network synchronization server receives an acquisition request message from a video network terminal, transmits address list directory data, address list terminal data and bridging codes to the video network terminal according to the acquisition request message, and the video network terminal is used for acquiring streaming media data according to the address list directory data, the address list terminal data and the bridging codes. The embodiment of the invention realizes that the video network terminal on the single node can communicate with any terminal in the video network, thereby acquiring the streaming media data of any terminal in the video network on the video network terminal.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method and a system for acquiring streaming media data.
Background
The video network is a special network for transmitting high-definition video and a special protocol at high speed based on Ethernet hardware, is a higher-level form of the Internet and is a real-time network.
The number of terminals in the video network is large, and the distribution area is complex. At present, all terminals in the video network cannot be retrieved from a video network terminal of a single node, so that communication between the video network terminal and any terminal in the video network cannot be realized, and further streaming media data from any terminal in the video network can be acquired from the video network terminal.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide an acquisition method of streaming media data and a corresponding acquisition system of streaming media data, which overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a method for acquiring streaming media data, where the method is applied to a video network, and the video network includes: the video networking conference management server is communicated with the video networking streaming media server, and the video networking synchronous server is respectively communicated with the video networking conference management server and the video networking terminal, and the method comprises the following steps: the video networking synchronous server acquires network management summarized data from the video networking conference management server, and the video networking conference management server is used for acquiring the network management data from the video networking streaming media server and summarizing the acquired network management data to obtain the network management summarized data; the video networking synchronization server generates address book directory data and address book terminal data corresponding to the address book directory data according to the network management summary data; the video networking synchronization server establishes a corresponding relation between the address book terminal data and a preset bridging code; the video network synchronization server receives an acquisition request message from the video network terminal, transmits the address list directory data and the address list terminal data according to the acquisition request message, and transmits bridging codes corresponding to the address list terminal data to the video network terminal, wherein the video network terminal is used for acquiring streaming media data according to the address list directory data, the address list terminal data and the bridging codes corresponding to the address list terminal data.
Optionally, the network management summary data includes a directory name, a directory structure, configuration information, and address information of an address book terminal in an area where the video networking streaming media server is located.
Optionally, the video networking synchronization server generates address book directory data and address book terminal data corresponding to the address book directory data according to the network management summary data, and the method includes: and the video networking synchronous server generates the address list data according to the list name and the list structure of the address list terminal and generates the address list terminal data according to the configuration information and the address information of the address list terminal.
Optionally, the acquiring, by the video networking synchronization server, network management summary data from the video networking conference management server includes: the video networking synchronous server acquires the network management summarized data from the video networking conference management server according to preset time information; or the video network synchronization server responds to the acquisition operation of the user and acquires the network management summary data from the video network conference management server.
Optionally, the video networking terminal is configured to call a synchronization interface of the video networking synchronization server, and send the acquisition request message to the video networking synchronization server; the video network synchronization server transmits the address book directory data and the address book terminal data according to the acquisition request message, and a bridging code having a corresponding relationship with the address book terminal data is transmitted to the video network terminal, including: the video network synchronization server transmits the address book directory data and the address book terminal data to the video network terminal by using the synchronization interface according to the acquisition request message, and a bridging code corresponding to the address book terminal data; the video network terminal is further used for responding to triggering operation of a user for the address book directory data and the address book terminal data, determining a target bridge server corresponding to a target address book terminal opposite to the triggering operation according to the corresponding relation, establishing network connection with the target bridge server, and acquiring the streaming media data of the target address book terminal from the target bridge server, wherein the target bridge server is in communication with the video network streaming media server associated with the target address book terminal.
The embodiment of the invention also discloses a system for acquiring the streaming media data, which is applied to the video network, wherein the video network comprises: the video networking system comprises a video networking streaming media server, a video networking conference management server, a video networking synchronous server and a video networking terminal, wherein the video networking conference management server is communicated with the video networking streaming media server, the video networking synchronous server is respectively communicated with the video networking conference management server and the video networking terminal, and the video networking synchronous server comprises: the acquisition module is used for acquiring network management summarized data from the video networking conference management server, and the video networking conference management server is used for acquiring the network management data from the video networking streaming media server and summarizing the acquired network management data to obtain the network management summarized data; the generating module is used for generating address list directory data and address list terminal data corresponding to the address list directory data according to the network management summary data; the establishing module is used for establishing a corresponding relation between the address book terminal data and a preset bridging code; the transmission module is used for receiving an acquisition request message from the video network terminal, transmitting the address list directory data and the address list terminal data according to the acquisition request message, and transmitting a bridging code which has a corresponding relation with the address list terminal data to the video network terminal, wherein the video network terminal is used for acquiring the streaming media data according to the address list directory data, the address list terminal data and the bridging code which has a corresponding relation with the address list terminal data.
Optionally, the network management summary data includes a directory name, a directory structure, configuration information, and address information of an address book terminal in an area where the video networking streaming media server is located.
Optionally, the generating module is configured to generate the address book directory data according to the directory name and the directory structure of the address book terminal, and generate the address book terminal data according to the configuration information and the address information of the address book terminal.
Optionally, the obtaining module is configured to obtain the summarized data of the network manager from the video networking conference management server according to preset time information; or responding to the acquisition operation of the user, and acquiring the network management summary data from the video network conference management server.
Optionally, the video networking terminal is configured to call a synchronization interface of the video networking synchronization server, and send the acquisition request message to the video networking synchronization server; the transmission module is used for transmitting the address list directory data and the address list terminal data to the video network terminal by using the synchronous interface according to the acquisition request message, and bridging codes corresponding to the address list terminal data; the video network terminal is further used for responding to triggering operation of a user for the address book directory data and the address book terminal data, determining a target bridge server corresponding to a target address book terminal opposite to the triggering operation according to the corresponding relation, establishing network connection with the target bridge server, and acquiring the streaming media data of the target address book terminal from the target bridge server, wherein the target bridge server is in communication with the video network streaming media server associated with the target address book terminal.
The embodiment of the invention has the following advantages:
the embodiment of the invention is applied to the video network, and the video network can comprise a video network streaming media server, a video network conference management server, a video network synchronous server and a video network terminal, wherein the video network conference management server can be communicated with a plurality of video network streaming media servers belonging to different areas, and the video network synchronous server is respectively communicated with the video network conference management server and the video network terminal.
The embodiment of the invention has a plurality of video networking streaming media servers belonging to different areas, and the video networking streaming media servers in each area are used for managing the network management data and the streaming media data of each area and transmitting the network management data of each area to the video networking conference management server. And the video networking conference management server collects the network management data from the video networking streaming media servers in each area to obtain network management collected data. The video networking synchronization server acquires network management summary data from the video networking conference management server, and generates address book directory data and address book terminal data according to the network management summary data, wherein the address book directory data and the address book terminal data have a corresponding relation. The video network synchronization server also creates a corresponding relation between the address book terminal data and the preset bridging codes. The video network terminal sends an acquisition request message of the address book data to the video network synchronization server, and the video network synchronization server transmits the address book directory data and the address book terminal data to the video network terminal according to the acquisition request message, and the bridging code corresponding to the address book terminal data. And the video network terminal acquires the streaming media data according to the address list directory data, the address list terminal data and the bridging codes which have corresponding relations with the address list terminal data.
The embodiment of the invention applies the characteristics of the video network, the video network conference management server collects the network management data of each area to obtain the network management summary data, and the video network synchronization server obtains the network management summary data from the video network conference management server and generates the address book data according to the network management summary data. The video network synchronization server also creates a corresponding relation between the address book terminal data and the preset bridging codes. And the video network terminal acquires the address list data and the bridging code from the video network synchronous server and acquires the streaming media data according to the address list data and the bridging code. The embodiment of the invention realizes that the video network terminal on the single node can communicate with any terminal in the video network, thereby acquiring the streaming media data of any terminal in the video network on the video network terminal.
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 flowchart illustrating steps of an embodiment of a method for acquiring streaming media data according to the present invention;
FIG. 6 is a schematic diagram of the streaming media data transmission method based on video networking according to the present invention;
fig. 7 is a block diagram of a video network synchronization server in an embodiment of a system for acquiring streaming media data according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network circuit Switching (circuit Switching), the internet of vision technology employs network Packet Switching to satisfy the demand of Streaming (which is interpreted as Streaming, continuous broadcasting, and is a data transmission technology that changes received data into a stable continuous stream and continuously transmits the stream, so that the sound heard or image seen by the user is very smooth, and the user can start browsing on the screen before the whole data is transmitted). The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (circled part), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204.
The network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module (downstream network interface module 301, upstream network interface module 302), the switching engine module 303, and the CPU module 304 are mainly included.
Wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the incoming data packet of the CPU module 304 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) and obtaining the token generated by the code rate control module.
If the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 308 is configured by the CPU module 304, 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, acquires the ethernet MAC DA of the corresponding terminal according to the video networking destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MACSA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 3 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (e.g. various protocol packets, multicast data packets, unicast data packets, etc.), there are at most 256 possibilities, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses.
The Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA).
The reserved byte consists of 2 bytes.
The payload part has different lengths according to types of different datagrams, and is 64 bytes if the type of the datagram is a variety of protocol packets, or is 1056 bytes if the type of the datagram is a unicast packet, but is not limited to the above 2 types.
The CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
The definition of the label in this specification is similar to the definition of the label of Multi-Protocol label switching (MP L S), and assuming that there are two connections between device a and device B, there are 2 labels for the packet from device a to device B, and there are 2 labels for the packet from device B to device a. the label is divided into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering device a is 0x0000, the label (outgoing label) of the packet leaving device a may become 0x 0001.
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, one of the core concepts of the embodiments of the present invention is provided, the video network conference management server performs summarization processing on network management data of each region according to a protocol of the video network, the video network synchronization server obtains the summarized data of the network management from the video network conference management server, and generates address book data (address book directory data and address book terminal data) of the full video network according to the summarized data of the network management, and meanwhile, the video network synchronization server can also create a corresponding relationship between the address book terminal data and the bridge code. The video network terminal acquires address book data and bridging codes of the full video network from the video network synchronization server, selects a target address book terminal from the address book data, and further acquires streaming media data of the target address book terminal according to the address book data and the bridging codes.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a method for acquiring streaming media data according to the present invention is shown, where the method may be applied to a video network, and the video network may include a video network streaming media server, a video network conference management server, a video network synchronization server, and a video network terminal, where the video network conference management server may communicate with a plurality of video network streaming media servers belonging to different areas, and the video network synchronization server communicates with the video network conference management server and the video network terminal, respectively, and the method may specifically include the following steps:
In the embodiment of the invention, the video networking conference management server (video networking conference management system) can communicate with a plurality of video networking streaming media servers (video networking streaming media systems) in different areas. The video network streaming media servers in each area are configured to manage network management data of the video network terminals in each area, such as directory names and directory structures of the address book terminals, and configuration information and address information of the address book terminals. The video networking streaming media servers in each area are also used for managing streaming media data of the video networking terminals in each area, such as audio and video data acquired by a monitoring camera, stored audio and video code streams and the like.
In the embodiment of the invention, on one hand, the video networking streaming media servers in each region can actively upload the network management data of each region, and particularly, the video networking streaming media servers can upload the network management data to the video networking conference management server according to the preset period. On the other hand, the video network conference management server can actively ask for network management data from the video network streaming media servers in each region, and specifically, the video network conference management server asks for the network management data from the video network streaming media servers in each region according to a preset period. After the video networking conference management server obtains the network management data of each region, the network management data can be summarized to obtain network management summarized data. Specifically, the video networking conference management server may perform deduplication processing on the obtained network management data, that is, the video networking conference management server may have the same address book data of the address book terminal in the network management data obtained from the video networking streaming media servers in each area, and the video networking conference management server needs to delete the repeated network management data and only keep one unique network management data. The video networking conference management server can also perform hierarchical processing on the obtained network management data, that is, the video networking conference management server may have address book data of address book terminals with different levels and authorities in the network management data obtained from the video networking streaming media servers in each area, and the video networking conference management server needs to perform hierarchical sequencing, classification and the like on the network management data.
In the embodiment of the invention, the video networking synchronous server can automatically acquire the summarized network management summarized data from the video networking conference management server according to the preset time period, and can also respond to the acquisition operation of a user and acquire the summarized network management summarized data from the video networking conference management server. The technical means adopted by the video networking synchronization server to obtain the network management summarized data is not particularly limited in the embodiment of the invention.
In a preferred embodiment of the present invention, the video networking synchronization server may obtain the network management summary data from the video networking conference management server according to the video networking protocol, where the network management summary data may be a compressed and encrypted data packet.
In the embodiment of the invention, when the synchronous server of the video network generates the address book directory data and the address book terminal data corresponding to the address book directory data according to the network management summary data, the synchronous server of the video network can generate the address book directory data according to the directory name and the directory structure of the address book terminal in the network management data of each area, and generate the address book terminal data according to the configuration information and the address information of the address book terminal in the network management data of each area. Specifically, the video networking synchronization server may use a directory name and a directory structure of the address book terminal in the network management data as address book directory data, and use configuration information and address information of the address book terminal in the network management data as address book terminal data.
In a preferred embodiment of the present invention, before the synchronization server of the video network generates the address book directory data and the address book terminal data corresponding to the address book directory data according to the network management summary data, the synchronization server of the video network may further perform optimization processing on the network management summary data, which specifically includes: the optimization of the directory structure, the field translation and the data assembly, etc. are not specifically limited in the embodiment of the present invention.
In the embodiment of the invention, after the video network synchronization server generates the address book terminal data, the corresponding relation between the address book terminal data and the preset bridging code can be established according to the area to which the address book terminal data belongs. For example, the address book terminal data D belongs to an area a, the area a manages network management data and streaming media data through a first video network streaming media server, and the first streaming media server communicates with video network streaming media servers in other areas through a first video network bridging server. And if the bridging code of the first video network bridging server is B1, the video network synchronization server creates the corresponding relation between the address book terminal data D and the bridging code B1.
In the embodiment of the present invention, a video networking terminal is used as an acquisition terminal for streaming media data to communicate with a video networking synchronization server, the video networking terminal may call a synchronization interface of the video networking synchronization server, and send an acquisition request message to the video networking synchronization server, where the acquisition request message may include identification information of the video networking terminal, address information of the video networking terminal, acquisition time information, acquisition frequency information, and the like. The main purpose of sending the acquisition request message to the video networking synchronization server by the video networking terminal is to acquire the address book data of the full video networking and the bridging code corresponding to the address book terminal data (the address book directory data and the address book terminal data) from the video networking synchronization server, namely to acquire the address book directory data and the address book terminal data, and the bridging code corresponding to the address book terminal data. The video network terminal can display the address book data in a list mode locally after obtaining the address book data and the bridging codes, and can also receive triggering operation of a user for the address book data, determine an address book terminal corresponding to the triggering operation, namely a target address book terminal, then determine a target bridging server corresponding to the target address book terminal according to the corresponding relation between the address book terminal data and the bridging codes, then establish network connection with the target bridging server, and further obtain the streaming media data of the target address book terminal from the target bridging server.
For example, the terminal P of the video network obtains the address book data T of the full video network from the synchronization server of the video network, and displays the address book data T locally at the terminal P of the video network. Moreover, the video network terminal P receives a trigger operation of the user for the address book terminal Z in the address book data T, and then the address book terminal Z is a target address book terminal. The video network terminal P may determine a target bridge server Q corresponding to the target address book terminal according to a correspondence between the address book terminal data and the bridge codes, and the video network terminal P may further obtain the streaming media data of the address book terminal Z from the target bridge server Q. It should be noted that the address book terminal Z may be any terminal in the video network.
Based on the above description about the embodiment of the method for acquiring streaming media data, a streaming media data transmission method based on video network is introduced below, as shown in fig. 6, the method involves a first streaming media server, a second streaming media server, a first bridge server, a second bridge server, a conference management server, a synchronization server, and a video network terminal. The first streaming media server and the first bridge server are both located in an area A, the second streaming media server and the second bridge server are both located in an area B, the first streaming media server is communicated with the first bridge server, the second streaming media server is communicated with the second bridge server, the first bridge server is communicated with the second bridge server, and the first streaming media server is communicated with the second streaming media server through the first bridge server and the second bridge server. The a region and the B region may be two regions different from each other. The conference management server can respectively acquire the network management data of the area A and the area B from the first streaming media server and the second streaming media server, collect the acquired network management data of the two areas, and store the collected network management data into the database. The synchronous server can automatically or manually obtain the summarized network management data from the meeting management server, optimize the summarized network management data, generate address book data covering the area A and the area B, and store the address book data in the database. The synchronization server may also create a correspondence between the address book data and the bridge code of the bridge server. And the application program on the video network terminal can call a synchronous interface of the synchronous server to acquire address book data and the corresponding bridging code of the bridging server. As shown in fig. 6, the second streaming media server transmits streaming media data of the address book terminal in the area B to the first streaming media server sequentially through the second bridge server and the first bridge server. If a user triggers an acquisition request of streaming media data of a target address book terminal in the area B on the terminal of the video network, the acquisition request may include related information (name, code, address, etc.) of a first streaming media server in the area a, related information (name, code, address, etc.) of a first bridge server, related information (name, code, address, etc.) of a second streaming media server, and related information (name, code, address, etc.) of the target address book terminal. And finally, the video network terminal sequentially passes through the first streaming media server, the first bridging server, the second bridging server and the second streaming media server to obtain the streaming media data of the target address book terminal. The embodiment of the present invention does not specifically limit the content of the related information.
The embodiment of the invention is applied to the video network, and the video network can comprise a video network streaming media server, a video network conference management server, a video network synchronous server and a video network terminal, wherein the video network conference management server can be communicated with a plurality of video network streaming media servers belonging to different areas, and the video network synchronous server is respectively communicated with the video network conference management server and the video network terminal.
The embodiment of the invention has a plurality of video networking streaming media servers belonging to different areas, and the video networking streaming media servers in each area are used for managing the network management data and the streaming media data of each area and transmitting the network management data of each area to the video networking conference management server. And the video networking conference management server collects the network management data from the video networking streaming media servers in each area to obtain network management collected data. The video networking synchronization server acquires network management summary data from the video networking conference management server, and generates address book directory data and address book terminal data according to the network management summary data, wherein the address book directory data and the address book terminal data have a corresponding relation. The video network synchronization server also creates a corresponding relation between the address book terminal data and the preset bridging codes. The video network terminal sends an acquisition request message of the address book data to the video network synchronization server, and the video network synchronization server transmits the address book directory data and the address book terminal data to the video network terminal according to the acquisition request message, and the bridging code corresponding to the address book terminal data. And the video network terminal acquires the streaming media data according to the address list directory data, the address list terminal data and the bridging codes which have corresponding relations with the address list terminal data.
The embodiment of the invention applies the characteristics of the video network, the video network conference management server collects the network management data of each area to obtain the network management summary data, and the video network synchronization server obtains the network management summary data from the video network conference management server and generates the address book data according to the network management summary data. The video network synchronization server also creates a corresponding relation between the address book terminal data and the preset bridging codes. And the video network terminal acquires the address list data and the bridging code from the video network synchronous server and acquires the streaming media data according to the address list data and the bridging code. The embodiment of the invention realizes that the video network terminal on the single node can communicate with any terminal in the video network, thereby acquiring the streaming media data of any terminal in the video network on the video network terminal.
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 video networking synchronization server in an embodiment of a system for acquiring streaming media data according to the present invention is shown, where the system may be applied to a video networking, and the video networking may include a video networking streaming media server, a video networking conference management server, a video networking synchronization server, and a video networking terminal, where the video networking conference management server may communicate with a plurality of video networking streaming media servers belonging to different areas, and the video networking synchronization server communicates with the video networking conference management server and the video networking terminal, respectively, and the video networking synchronization server in the system may specifically include the following modules:
the acquiring module 701 is configured to acquire network management summarized data from a video networking conference management server, where the video networking conference management server is configured to acquire the network management data from a video networking streaming media server, and perform summarization processing on the acquired network management data to obtain the network management summarized data.
A generating module 702, configured to generate address list directory data and address list terminal data corresponding to the address list directory data according to the network management summary data.
The creating module 703 is configured to create a corresponding relationship between the address book terminal data and a preset bridging code.
The transmission module 704 is configured to receive an acquisition request message from the video networking terminal, transmit the address book directory data and the address book terminal data according to the acquisition request message, and transmit the bridge code having a corresponding relationship with the address book terminal data to the video networking terminal, where the video networking terminal is configured to acquire the streaming media data according to the address book directory data and the address book terminal data, and the bridge code having a corresponding relationship with the address book terminal data.
In a preferred embodiment of the present invention, the network management summary data includes a directory name, a directory structure, configuration information, and address information of an address book terminal in an area where the streaming media server of the video network is located.
In a preferred embodiment of the present invention, the generating module 702 is configured to generate address book directory data according to a directory name and a directory structure of the address book terminal, and generate address book terminal data according to configuration information and address information of the address book terminal.
In a preferred embodiment of the present invention, the obtaining module 701 is configured to obtain summarized data of network management from a video networking conference management server according to preset time information; or responding to the acquisition operation of the user, and acquiring the network management summary data from the video network conference management server.
In a preferred embodiment of the present invention, the video network terminal is configured to call a synchronization interface of the video network synchronization server, and send an acquisition request message to the video network synchronization server; a transmission module 704, configured to transmit the address book directory data and the address book terminal data to the video network terminal by using the synchronous interface according to the acquisition request message, and the bridge code having a corresponding relationship with the address book terminal data. The video network terminal is also used for responding to the triggering operation of the user aiming at the address list directory data and the address list terminal data, determining a target bridging server corresponding to a target address list terminal opposite to the triggering operation according to the corresponding relation, establishing network connection with the target bridging server, acquiring the streaming media data of the target address list terminal from the target bridging server, and enabling the target bridging server to communicate with the video network streaming media server associated with the target address list terminal.
For the system embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is provided for the method and system for acquiring streaming media data, and a specific example is applied in this document to explain the principle and implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The method for acquiring the streaming media data is applied to a video network, and the video network comprises the following steps: the video networking conference system comprises a video networking streaming media server, a video networking conference management server, a video networking synchronous server and video networking terminals, wherein the video networking conference management server is communicated with the video networking streaming media server, the streaming media server is communicated with streaming media servers in other areas through a bridging server arranged in each area, the video networking synchronous server is respectively communicated with the video networking conference management server and the video networking terminals, and different video networking streaming media servers manage network management data of the video networking terminals in the respective areas; the method comprises the following steps: the video networking synchronous server acquires network management summarized data from the video networking conference management server, and the video networking conference management server is used for acquiring the network management data from the video networking streaming media server and summarizing the acquired network management data to obtain the network management summarized data;
the video networking synchronization server generates address book directory data and address book terminal data corresponding to the address book directory data according to the network management summary data;
the video networking synchronization server establishes a corresponding relation between the address book terminal data and a preset bridging code according to the area to which the address book terminal belongs;
the video network synchronization server receives an acquisition request message from the video network terminal, transmits the address list directory data and the address list terminal data of the full video network and the bridging codes corresponding to the address list terminal data to the video network terminal according to the acquisition request message, and the video network terminal is used for acquiring the streaming media data through the bridging server corresponding to the bridging codes according to the address list directory data, the address list terminal data and the bridging codes corresponding to the address list terminal data.
2. The method for acquiring streaming media data according to claim 1, wherein the network management summary data includes a directory name, a directory structure, configuration information, and address information of an address book terminal in an area where the streaming media server of the video network is located.
3. The method for acquiring streaming media data according to claim 2, wherein the step of generating, by the video networking synchronization server, address book directory data and address book terminal data corresponding to the address book directory data according to the network management summary data includes:
and the video networking synchronous server generates the address list data according to the list name and the list structure of the address list terminal and generates the address list terminal data according to the configuration information and the address information of the address list terminal.
4. The method for acquiring streaming media data according to claim 1, wherein the video networking synchronization server acquires network management summary data from the video networking conference management server, and the method includes:
the video networking synchronous server acquires the network management summarized data from the video networking conference management server according to preset time information; or the video network synchronization server responds to the acquisition operation of the user and acquires the network management summary data from the video network conference management server.
5. The method for acquiring streaming media data according to any one of claims 1 to 4, wherein the video networking terminal is configured to invoke a synchronization interface of the video networking synchronization server, and send the acquisition request message to the video networking synchronization server;
the video network synchronization server transmits the address book directory data and the address book terminal data according to the acquisition request message, and a bridging code having a corresponding relationship with the address book terminal data is transmitted to the video network terminal, including:
the video network synchronization server transmits the address book directory data and the address book terminal data to the video network terminal by using the synchronization interface according to the acquisition request message, and a bridging code corresponding to the address book terminal data;
the video network terminal is further used for responding to triggering operation of a user for the address book directory data and the address book terminal data, determining a target bridge server corresponding to a target address book terminal opposite to the triggering operation according to the corresponding relation, establishing network connection with the target bridge server, and acquiring the streaming media data of the target address book terminal from the target bridge server, wherein the target bridge server is in communication with the video network streaming media server associated with the target address book terminal.
6. The system for acquiring streaming media data is applied to a video network, and the video network comprises: the video networking conference system comprises a video networking streaming media server, a video networking conference management server, a video networking synchronous server and video networking terminals, wherein the video networking conference management server is communicated with the video networking streaming media server, the streaming media server is communicated with streaming media servers in other areas through a bridging server arranged in each area, the video networking synchronous server is respectively communicated with the video networking conference management server and the video networking terminals, and different video networking streaming media servers manage network management data of the video networking terminals in the respective areas; the video networking synchronization server comprises:
the acquisition module is used for acquiring network management summarized data from the video networking conference management server, and the video networking conference management server is used for acquiring the network management data from the video networking streaming media server and summarizing the acquired network management data to obtain the network management summarized data;
the generating module is used for generating address list directory data and address list terminal data corresponding to the address list directory data according to the network management summary data;
the creating module is used for creating a corresponding relation between the address book terminal data and a preset bridging code according to the area to which the address book terminal belongs;
the transmission module is used for receiving an acquisition request message from the video network terminal, transmitting the address list directory data and the address list terminal data of the full video network and the bridging codes corresponding to the address list terminal data to the video network terminal according to the acquisition request message, and the video network terminal is used for acquiring the streaming media data through the bridging server corresponding to the bridging codes according to the address list directory data, the address list terminal data and the bridging codes corresponding to the address list terminal data.
7. The system for acquiring streaming media data according to claim 6, wherein the network management summary data includes a directory name, a directory structure, configuration information, and address information of an address book terminal in an area where the streaming media server of the video network is located.
8. The system for acquiring streaming media data according to claim 7, wherein the generating module is configured to generate the address book directory data according to the directory name and the directory structure of the address book terminal, and generate the address book terminal data according to the configuration information and the address information of the address book terminal.
9. The system for acquiring streaming media data according to claim 6, wherein the acquiring module is configured to acquire the summarized data of the network manager from the video networking conference management server according to preset time information; or responding to the acquisition operation of the user, and acquiring the network management summary data from the video network conference management server.
10. The system for acquiring streaming media data according to any one of claims 6 to 9, wherein the video networking terminal is configured to invoke a synchronization interface of the video networking synchronization server, and send the acquisition request message to the video networking synchronization server;
the transmission module is used for transmitting the address list directory data and the address list terminal data to the video network terminal by using the synchronous interface according to the acquisition request message, and bridging codes corresponding to the address list terminal data;
the video network terminal is further used for responding to triggering operation of a user for the address book directory data and the address book terminal data, determining a target bridge server corresponding to a target address book terminal opposite to the triggering operation according to the corresponding relation, establishing network connection with the target bridge server, and acquiring the streaming media data of the target address book terminal from the target bridge server, wherein the target bridge server is in communication with the video network streaming media server associated with the target address book terminal.
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| CN110177078B (en) * | 2019-04-17 | 2022-02-22 | 视联动力信息技术股份有限公司 | Data synchronization method and device |
| CN110224988B (en) * | 2019-05-10 | 2023-04-07 | 视联动力信息技术股份有限公司 | Image data processing method, system and device and storage medium |
| CN110417877B (en) * | 2019-07-17 | 2022-05-31 | 视联动力信息技术股份有限公司 | Audio and video service processing method and device |
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