CN110139060A - A kind of method and apparatus of video conference - Google Patents
A kind of method and apparatus of video conference Download PDFInfo
- Publication number
- CN110139060A CN110139060A CN201910263022.XA CN201910263022A CN110139060A CN 110139060 A CN110139060 A CN 110139060A CN 201910263022 A CN201910263022 A CN 201910263022A CN 110139060 A CN110139060 A CN 110139060A
- Authority
- CN
- China
- Prior art keywords
- resource
- management platform
- target
- flow
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of method and apparatus of video conference, which comprises initialize multiple processes, and establish the multiple resource process and the conference management platform creation video conference needed for resource resource ID corresponding relationship；When receiving the conference management platform transmission resource playing request, the corresponding resource process handle of target resource ID in the resource playing request is determined；In the corresponding resource process of the resource process handle, the corresponding target resource of the target resource ID is grabbed using the resource thread opened in advance；Using H.264 agreement, the target resource is encoded, obtain H.264 resource flow, and the H.264 resource flow is sent to the view networked terminals, multichannel resource concurrence is realized, multichannel resource shows and exports between different processes, when vast resources needs to export, time-consuming is reduced, is economized on resources.
Description
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of method and apparatus of video conference.
Background technique
It is that one kind is based on ethernet hardware big bandwidth transmission network in real time depending on networking, for high-speed transfer HD video and specially
It is the more advanced form of internet with the dedicated network of agreement, is a real-time network.
Traditional scheme only grabs desktop screen stream as source, i.e., carries out coded treatment to the picture that current desktop is shown,
Becoming video format to send, multiple screens cannot be grabbed simultaneously, this traditional scheme can only export video resource all the way,
It is very time-consuming when vast resources needs to export, cost of idleness.
Summary of the invention
In view of the above problems, the present invention is proposed in order to provide overcoming the above problem or at least being partially solved above-mentioned ask
A kind of method and apparatus of video conference of topic, comprising:
A kind of method of video conference is applied to view networking, and the view networking includes conference management platform, resource service
Device, and view networked terminals, which comprises
Multiple processes are initialized, and establish the video conference of the multiple resource process and conference management platform creation
The corresponding relationship of the resource ID of required resource；
When receiving the conference management platform transmission resource playing request, target in the resource playing request is determined
The corresponding resource process handle of resource ID；
In the corresponding resource process of the resource process handle, the target is grabbed using the resource thread opened in advance
The corresponding target resource of resource ID；
Using H.264 agreement, the target resource is encoded, obtains H.264 resource flow, and H.264 provide described
Source stream is sent to the view networked terminals.
Optionally, the resource is determined when receiving the conference management platform transmission resource playing request described
In playing request the step of target resource ID corresponding resource process handle before, further includes:
When the Resource Properties information of the resource needed for receiving the video conference that the conference management platform is sent, to
The conference management platform returns to the corresponding the Resources list of the meeting attribute information；Wherein, the conference management platform is used for
In detecting the described the Resources list of triggering when target resource ID, resource playing request is generated.
Optionally, further includes:
Initialize coding parameter；
According to the coding parameter, the target resource is encoded, obtains the H.264 money for meeting the coding parameter
Source stream.
Optionally, described be sent to the H.264 resource flow described includes: depending on the step of networked terminals
Establish the downstream communications link of the Resource Server and the view networked terminals；
Using the downstream communications link, the H.264 resource flow is sent to the view networked terminals.
Optionally, the target resource includes any one of following:
Medical video, instructional video.
The coding parameter includes following one or more:
Resolution ratio, video data frame per second, the number of data frames, video data bit rates of image.
A kind of device of video conference, described device include:
Corresponding relation building module for initializing multiple processes, and establishes the multiple resource process and the meeting
The corresponding relationship of the resource ID of resource needed for managing the video conference of platform creation；
Resource playing request receiving module sends resource playing request for receiving the conference management platform；
Resource process handle determining module determines the corresponding resource process sentence of target resource ID in the resource playing request
Handle；
Target resource handling module, for being opened using preparatory in the corresponding resource process of the resource process handle
Resource thread grab the corresponding target resource of the target resource ID；
H.264 resource flow obtains module, for encoding, obtaining to the target resource using H.264 agreement
H.264 resource flow；
H.264 resource flow sending module, for the H.264 resource flow to be sent to the view networked terminals.
Optionally, further includes:
Resource Properties information receiving submodule, the video conference institute sent for receiving the conference management platform
Need the Resource Properties information of resource；
The Resources list sending submodule, for returning to the corresponding money of the meeting attribute information to the conference management platform
Source list.
Optionally, further includes:
Coding parameter submodule is initialized, for initializing coding parameter；
H.264 resource flow obtains submodule, for encoding, obtaining to the target resource according to the coding parameter
To the H.264 resource flow for meeting the coding parameter.
Optionally, further includes:
Downstream communications link setting up submodule, the downlink for establishing the Resource Server and the view networked terminals are logical
Believe link；
H.264 resource flow sending submodule sends the H.264 resource flow for using the downstream communications link
To the view networked terminals
The invention has the following advantages that by initializing multiple processes, and establish the multiple resource process and the meeting
The corresponding relationship of the resource ID of resource needed for the video conference of view management platform creation is receiving the conference management platform hair
When sending resource playing request, the corresponding resource process handle of target resource ID in the resource playing request is determined, in the money
In the corresponding resource process of originating process handle, the corresponding target of the target resource ID is grabbed using the resource thread opened in advance
Resource encodes the target resource using H.264 agreement, obtains H.264 resource flow, and will the H.264 resource flow
The view networked terminals are sent to, realize multichannel resource concurrence, multichannel resource shows and exports between different processes, a large amount of
When resource needs to export, time-consuming is reduced, is economized on resources.
Detailed description of the invention
It, below will be attached needed in the description of this invention in order to illustrate more clearly of technical solution of the present invention
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of networking schematic diagram for view networking that one embodiment of the invention provides；
Fig. 2 is a kind of hardware structural diagram for node server that one embodiment of the invention provides；
Fig. 3 is a kind of hardware structural diagram for access switch that one embodiment of the invention provides；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association that one embodiment of the invention provides turns gateway；
Fig. 5 is a kind of step flow chart of the method for video conference that one embodiment of the invention provides；
Fig. 6 is a kind of structural block diagram of the device for video conference that one embodiment of the invention provides.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.Obviously, described embodiments are some of the embodiments of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (NetworkTechnology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (ServerTechnology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
1, view networked devices classification
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking
(or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 304 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 308 is configured by CPU module 304, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
Referring to Fig. 5, a kind of step flow chart of the method for video conference of one embodiment of the invention offer, application are shown
Network in view, view networking includes conference management platform, Resource Server, and regards networked terminals, can specifically include as
Lower step:
Step 101, multiple processes are initialized, and establish the multiple resource process and conference management platform creation
The corresponding relationship of the resource ID of resource needed for video conference；
Wherein, process is primary operation activity of the program with standalone feature about some data acquisition system, is one
A movable entity, each process have the address space of itself, and any process can concurrently execute together with other processes.
The creation process of process: application obtains unique numeric identifier, and from PCB (Process Control
Block, process control block (PCB)) set in ask for a blank PCB；Distribute resource；Initialize process control block (PCB).
In the concrete realization, conference management platform creates video conference, and sends the resource ID of resource needed for video conference
To Resource Server, Resource Server receives resource ID, initializes multiple processes, establishes multiple resource processes and conference management
The one-to-one relationship of the resource ID of resource needed for the video conference of platform creation.
Step 102, when receiving the conference management platform transmission resource playing request, determine that the resource broadcasting is asked
Seek the corresponding resource process handle of middle target resource ID；
Wherein, handle is an identifier, be can be for identifying object or project, each resource process can be with
By a specific handle mark.
It in the concrete realization, can be according to when Resource Server receives conference management platform and sends resource playing request
Target resource ID in resource playing request inquires corresponding resource process handle.
In an embodiment of the present invention, before step 102, can also include the following steps:
When the Resource Properties information of the resource needed for receiving the video conference that the conference management platform is sent, to
The conference management platform returns to the corresponding the Resources list of the Resource Properties information；Wherein, the conference management platform is used for
In detecting the described the Resources list of triggering when target resource ID, resource playing request is generated.
Step 103, it in the corresponding resource process of the resource process handle, is grabbed using the resource thread opened in advance
The corresponding target resource of the target resource ID；
Wherein, thread is the minimum unit that operating system is able to carry out operation scheduling, it is comprised in process, is process
In actual operation unit, a thread refers to the control stream of a single order in process, and a process can be concurrently more
A thread, every thread parallel execute different tasks, and the thread in different processes also can be executed concurrently.In the behaviour for introducing thread
Make in system, usually using process as the basic unit of distribution resource, thread is dispatched as independent operating and independently basic
Unit does not possess system resource substantially, therefore the expense paid its scheduling will be small very since thread is smaller than process
Degree that are more, concurrently being executed between multiple programs in raising system that can be more efficient.
It in the concrete realization, can be using the resource line opened in advance in the corresponding resource process of resource process handle
Journey grabs target resource corresponding with target resource ID according to the target resource ID received, and multiple processes can concurrently be held
Row, using resource thread, the degree concurrently executed between multiple processes in raising system that can be more efficient saves server resource,
Improve performance.
In an embodiment of the present invention, target resource may include any one of following:
Medical video, instructional video.
Step 104, using H.264 agreement, the target resource is encoded, obtains H.264 resource flow, and will be described
H.264 resource flow is sent to the view networked terminals.
Wherein, coding is that information from a kind of form or format is converted to another form of process.
In the concrete realization, using H.264 coding protocol, target resource is encoded, obtains H.264 resource flow, is provided
H.264, source server will be sent to view networked terminals by resource flow, for view networked terminals viewing.
In the concrete realization, user determines resource needed for video conference in conference management platform, and conference management platform will regard
The Resource Properties information of resource needed for frequency meeting is sent to Resource Server, and Resource Properties information can be the title of resource, compile
Number, resource ID etc..
When Resource Server receives Resource Properties information, multiple processes are initialized, and establish multiple processes and meeting pipe
The corresponding relationship of the resource ID of resource needed for the video conference of platform creation returns to Resource Properties information to conference management platform
Corresponding the Resources list, conference management platform receive the Resources list.
When user triggers target resource ID in described the Resources list, conference management platform generates resource playing request and sends
To Resource Server.Such as, pathology the Resources list is obtained from Resource Server before meeting, when watching some pathology resource, to connecing
Enter server and sends play instruction.
In an embodiment of the present invention, can also include the following steps:
Initialize coding parameter；According to the coding parameter, the target resource is encoded, obtains meeting the volume
The H.264 resource flow of code parameter.
In the concrete realization, Resource Server initializes coding parameter, can be according to the coding parameter, to target resource
It is encoded, and then obtains the H.264 resource flow for meeting coding parameter.
In an embodiment of the present invention, the step of H.264 resource flow is sent to view networked terminals packet
It includes:
Establish the downstream communications link of the Resource Server and the view networked terminals；Using the downlink communication chain
H.264 the resource flow is sent to the view networked terminals by road.
In the concrete realization, Resource Server, will H.264 resource by the downstream communications link established with view networked terminals
Stream is sent to view networked terminals.
In an embodiment of the present invention, coding parameter may include following one or more:
Resolution ratio, video data frame per second, the number of data frames, video data bit rates of image.
In the concrete realization, the resolution ratio of image refers to the information content stored in image, is that how many is a in per inch image
Pixel, i.e. pixel quantity；Video data frame per second is the quantity of image per second；Video data bit rates refer to the ratio of transmission per second
Special number, bit rate is higher, and the data moon of biography per second is more, and image quality is more clear.The video data frame per second in coding parameter is set, can be obtained
To the H.264 resource flow of specified frame per second.
In embodiments of the present invention, by initializing multiple processes, and the multiple resource process and the meeting are established
The corresponding relationship of the resource ID of resource needed for managing the video conference of platform creation is sent receiving the conference management platform
When resource playing request, the corresponding resource process handle of target resource ID in the resource playing request is determined, in the resource
In the corresponding resource process of process handle, the corresponding target of the target resource ID is grabbed using the resource thread opened in advance and is provided
Source encodes the target resource using H.264 agreement, obtains H.264 resource flow, and the H.264 resource flow is sent out
It send to the view networked terminals, realizes multichannel resource concurrence, multichannel resource shows and exports between different processes, is largely providing
When source needs to export, time-consuming is reduced, is economized on resources.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 6, a kind of structural block diagram of the device of video conference of one embodiment of the invention offer is provided, specifically may be used
To include following module:
Corresponding relation building module 601 for initializing multiple processes, and establishes the multiple resource process and the meeting
The corresponding relationship of the resource ID of resource needed for the video conference of view management platform creation；
Resource playing request receiving module 602 sends resource playing request for receiving the conference management platform；
Resource process handle determining module 603, determine in the resource playing request the corresponding resource of target resource ID into
Journey handle；
Target resource handling module 604, in the corresponding resource process of the resource process handle, using opening in advance
The resource thread opened grabs the corresponding target resource of the target resource ID；
H.264 resource flow obtains module 605, for encoding, obtaining to the target resource using H.264 agreement
H.264 resource flow；
H.264 resource flow sending module 606, for the H.264 resource flow to be sent to the view networked terminals.
In an embodiment of the present invention, can also include following submodule:
Resource Properties information receiving submodule, the video conference institute sent for receiving the conference management platform
Need the Resource Properties information of resource；
The Resources list sending submodule, for returning to the corresponding money of the meeting attribute information to the conference management platform
Source list.
In an embodiment of the present invention, can also include following submodule:
Coding parameter submodule is initialized, for initializing coding parameter；
H.264 resource flow obtains submodule, for encoding, obtaining to the target resource according to the coding parameter
To the H.264 resource flow for meeting the coding parameter.
In an embodiment of the present invention, can also include following submodule:
Downstream communications link setting up submodule, the downlink for establishing the Resource Server and the view networked terminals are logical
Believe link；
H.264 resource flow sending submodule sends the H.264 resource flow for using the downstream communications link
To the view networked terminals.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
One embodiment of the invention additionally provides electronic equipment, may include processor, memory and storage on a memory
And the computer program that can be run on a processor, the side of video conference as above is realized when computer program is executed by processor
The step of method.
One embodiment of the invention additionally provides computer readable storage medium, stores and calculates on computer readable storage medium
Machine program, the step of method of video conference as above is realized when computer program is executed by processor.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of method and apparatus of video conference provided by the present invention, it is described in detail, answers herein
With a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help to manage
Solve method and its core concept of the invention；At the same time, for those skilled in the art, according to the thought of the present invention,
There will be changes in specific embodiment and application range, in conclusion the content of the present specification should not be construed as to this hair
Bright limitation.
Claims (9)
1. a kind of method of video conference, which is characterized in that be applied to view networking, view networking including conference management platform,
Resource Server, and view networked terminals, which comprises
Multiple processes are initialized, and are established needed for the video conference of the multiple resource process and conference management platform creation
The corresponding relationship of the resource ID of resource；
When receiving the conference management platform transmission resource playing request, target resource in the resource playing request is determined
The corresponding resource process handle of ID；
In the corresponding resource process of the resource process handle, the target resource is grabbed using the resource thread opened in advance
The corresponding target resource of ID；
Using H.264 agreement, the target resource is encoded, obtains H.264 resource flow, and will the H.264 resource flow
It is sent to the view networked terminals.
2. the method according to claim 1, wherein receiving the conference management platform transmission money described
When the playing request of source, before the step of determining in the resource playing request target resource ID corresponding resource process handle, also
Include:
When the Resource Properties information of the resource needed for receiving the video conference that the conference management platform is sent, Xiang Suoshu
Conference management platform returns to the corresponding the Resources list of the meeting attribute information；Wherein, the conference management platform is for examining
When measuring target resource ID in the described the Resources list of triggering, resource playing request is generated.
3. method according to claim 1 or 2, which is characterized in that further include:
Initialize coding parameter；
According to the coding parameter, the target resource is encoded, obtains the H.264 resource for meeting the coding parameter
Stream.
4. the method according to claim 1, wherein described be sent to the view connection for the H.264 resource flow
The step of network termination includes:
Establish the downstream communications link of the Resource Server and the view networked terminals；
Using the downstream communications link, the H.264 resource flow is sent to the view networked terminals.
5. the method according to claim 1, wherein the target resource includes any one of following:
Medical video, instructional video.
The coding parameter includes following one or more:
Resolution ratio, video data frame per second, the number of data frames, video data bit rates of image.
6. a kind of device of video conference, which is characterized in that described device includes:
Corresponding relation building module for initializing multiple processes, and establishes the multiple resource process and the conference management
The corresponding relationship of the resource ID of resource needed for the video conference of platform creation；
Resource playing request receiving module sends resource playing request for receiving the conference management platform；
Resource process handle determining module determines the corresponding resource process handle of target resource ID in the resource playing request；
Target resource handling module is used in the corresponding resource process of the resource process handle, using the money opened in advance
Source thread grabs the corresponding target resource of the target resource ID；
H.264 resource flow obtains module, for encoding to the target resource, H.264 being provided using H.264 agreement
Source stream；
H.264 resource flow sending module, for the H.264 resource flow to be sent to the view networked terminals.
7. device according to claim 6, which is characterized in that further include:
Resource Properties information receiving submodule, for money needed for receiving the video conference that the conference management platform is sent
The Resource Properties information in source；
The Resources list sending submodule, for returning to the corresponding resource column of the meeting attribute information to the conference management platform
Table.
8. device according to claim 6 or 7, which is characterized in that further include:
Coding parameter submodule is initialized, for initializing coding parameter；
H.264 resource flow obtains submodule, for encoding, being expired to the target resource according to the coding parameter
The H.264 resource flow of the foot coding parameter.
9. device according to claim 6, which is characterized in that further include:
Downstream communications link setting up submodule, for establishing the downlink communication chain of the Resource Server and the view networked terminals
Road；
H.264 the resource flow is sent to institute for using the downstream communications link by H.264 resource flow sending submodule
State view networked terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263022.XA CN110139060B (en) | 2019-04-02 | 2019-04-02 | Video conference method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263022.XA CN110139060B (en) | 2019-04-02 | 2019-04-02 | Video conference method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110139060A true CN110139060A (en) | 2019-08-16 |
| CN110139060B CN110139060B (en) | 2021-10-19 |
Family
ID=67568883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910263022.XA Active CN110139060B (en) | 2019-04-02 | 2019-04-02 | Video conference method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110139060B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022317A1 (en) * | 2022-07-26 | 2024-02-01 | 京东方科技集团股份有限公司 | Video stream processing method and apparatus, storage medium, and electronic device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123268A (en) * | 2011-03-15 | 2011-07-13 | 深圳市捷视飞通科技有限公司 | Video conference terminal and system |
| CN102457544A (en) * | 2010-10-26 | 2012-05-16 | 深圳市誉融科技有限公司 | Method and system for acquiring screen image in screen sharing system based on Internet |
| CN102883135A (en) * | 2012-11-01 | 2013-01-16 | 成都飞视美视频技术有限公司 | Screen sharing and control method thereof |
| CN103905783A (en) * | 2012-12-25 | 2014-07-02 | 杭州海康威视数字技术股份有限公司 | Method and device for performing decoding and displaying on video stream |
| CN103975313A (en) * | 2011-12-13 | 2014-08-06 | 索尼电脑娱乐公司 | Information processing system, electronic device, image file reproduction method and generation method |
| CN104182249A (en) * | 2014-08-04 | 2014-12-03 | 苏州蜗牛数字科技股份有限公司 | Automatic program-executing method |
| CN104333770A (en) * | 2014-11-20 | 2015-02-04 | 广州华多网络科技有限公司 | Method and device for live video streaming |
| CN104618681A (en) * | 2013-11-01 | 2015-05-13 | 南京中兴力维软件有限公司 | Method and device for multi-channel video condensation |
| CN105262974A (en) * | 2015-08-12 | 2016-01-20 | 北京恒泰实达科技股份有限公司 | Method for realizing wireless screen sharing of multiple users |
| CN105721831A (en) * | 2016-01-28 | 2016-06-29 | 安徽四创电子股份有限公司 | Method for designing video monitoring client side based on multi-process architecture |
| US20170068858A1 (en) * | 2015-06-01 | 2017-03-09 | Placemeter Inc. | Robust, adaptive and efficient object detection, classification and tracking |
| CN107484011A (en) * | 2017-10-09 | 2017-12-15 | 武汉斗鱼网络科技有限公司 | A kind of video resource coding/decoding method and device |
| CN108121572A (en) * | 2016-11-28 | 2018-06-05 | 华为技术有限公司 | A kind of web applications start method and device |
| CN108650510A (en) * | 2018-05-10 | 2018-10-12 | 中南大学 | The coding method of video and device, storage medium, electronic device |
-
2019
- 2019-04-02 CN CN201910263022.XA patent/CN110139060B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457544A (en) * | 2010-10-26 | 2012-05-16 | 深圳市誉融科技有限公司 | Method and system for acquiring screen image in screen sharing system based on Internet |
| CN102123268A (en) * | 2011-03-15 | 2011-07-13 | 深圳市捷视飞通科技有限公司 | Video conference terminal and system |
| CN103975313A (en) * | 2011-12-13 | 2014-08-06 | 索尼电脑娱乐公司 | Information processing system, electronic device, image file reproduction method and generation method |
| CN102883135A (en) * | 2012-11-01 | 2013-01-16 | 成都飞视美视频技术有限公司 | Screen sharing and control method thereof |
| CN103905783A (en) * | 2012-12-25 | 2014-07-02 | 杭州海康威视数字技术股份有限公司 | Method and device for performing decoding and displaying on video stream |
| CN104618681A (en) * | 2013-11-01 | 2015-05-13 | 南京中兴力维软件有限公司 | Method and device for multi-channel video condensation |
| CN104182249A (en) * | 2014-08-04 | 2014-12-03 | 苏州蜗牛数字科技股份有限公司 | Automatic program-executing method |
| CN104333770A (en) * | 2014-11-20 | 2015-02-04 | 广州华多网络科技有限公司 | Method and device for live video streaming |
| US20170068858A1 (en) * | 2015-06-01 | 2017-03-09 | Placemeter Inc. | Robust, adaptive and efficient object detection, classification and tracking |
| CN105262974A (en) * | 2015-08-12 | 2016-01-20 | 北京恒泰实达科技股份有限公司 | Method for realizing wireless screen sharing of multiple users |
| CN105721831A (en) * | 2016-01-28 | 2016-06-29 | 安徽四创电子股份有限公司 | Method for designing video monitoring client side based on multi-process architecture |
| CN108121572A (en) * | 2016-11-28 | 2018-06-05 | 华为技术有限公司 | A kind of web applications start method and device |
| CN107484011A (en) * | 2017-10-09 | 2017-12-15 | 武汉斗鱼网络科技有限公司 | A kind of video resource coding/decoding method and device |
| CN108650510A (en) * | 2018-05-10 | 2018-10-12 | 中南大学 | The coding method of video and device, storage medium, electronic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022317A1 (en) * | 2022-07-26 | 2024-02-01 | 京东方科技集团股份有限公司 | Video stream processing method and apparatus, storage medium, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110139060B (en) | 2021-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109167960A (en) | A kind of processing method and system of video stream data | |
| CN110475090A (en) | A kind of method and system of Conference control | |
| CN110475125A (en) | Video transcoding method and device | |
| CN110049346A (en) | A kind of method and system of net cast | |
| CN110225083A (en) | Data push method and device based on view networking | |
| CN109743526A (en) | A kind of communication connection method for building up and system based on view networking | |
| CN109766753A (en) | A kind of finger print information acquisition methods and device | |
| CN109068148A (en) | A kind of method and apparatus of video processing | |
| CN110166833A (en) | A kind of video stream transcoding method and device | |
| CN109743555A (en) | A kind of information processing method and system based on view networking | |
| CN109729184A (en) | A kind of method and apparatus of view networking service processing | |
| CN109873864A (en) | A kind of communication connection method for building up and system based on view networking | |
| CN109005378A (en) | A kind of processing method and system of video conference | |
| CN110401848A (en) | A kind of video broadcasting method and device | |
| CN110351573A (en) | Virtual present presentation method, system and device | |
| CN109922297A (en) | Call method and device | |
| CN109963107A (en) | A kind of display methods and system of audio, video data | |
| CN109698790A (en) | A kind of storage method and system regarding networking data | |
| CN109067895A (en) | A kind of method and apparatus remotely controlled | |
| CN110113555A (en) | A kind of video conference processing method and system based on view networking | |
| CN108881148A (en) | A kind of data capture method and device | |
| CN108965778A (en) | A kind of method of video conference and a kind of view networked terminals | |
| CN110139060A (en) | A kind of method and apparatus of video conference | |
| CN109714641A (en) | A kind of data processing method and device based on view networking | |
| CN110493312A (en) | Processing method, device, electronic equipment and the storage medium of abnormal terminals box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |