CN109246449A - Video stream distributing method, device, equipment and computer storage medium - Google Patents
Video stream distributing method, device, equipment and computer storage medium Download PDFInfo
- Publication number
- CN109246449A CN109246449A CN201710561123.6A CN201710561123A CN109246449A CN 109246449 A CN109246449 A CN 109246449A CN 201710561123 A CN201710561123 A CN 201710561123A CN 109246449 A CN109246449 A CN 109246449A
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- China
- Prior art keywords
- video flowing
- terminal
- student
- video
- identification information
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of video stream distributing method, device, equipment and computer storage mediums.This method comprises: the modification for video flowing that reception user terminal is sent instructs, the identification information for the video flowing modified in modification instruction including the identification information and needs that need to modify the terminal of video flowing；The identification information for the video flowing that identification information and needs according to the terminal for needing to modify video flowing for including in modification instruction are modified, distributes video flowing.Video stream distributing method, device, equipment and the computer storage medium of the embodiment of the present invention, can adjust the distribution of video flowing.
Description
Technical field
The present invention relates to multimedia technology field more particularly to a kind of video stream distributing method, device, equipment and computers
Storage medium.
Background technique
More people's videos are that a kind of allow is in the people in strange land and realizes " in real time, visual, interaction " by certain transmission medium
Multi-media communication technology.It can be by existing various electrical communications transmission medias, by the static state and dynamic image, language of personage
The much informations such as sound, text, picture are distributed on the terminal device of each user, and the user geographically dispersed is total to
At poly- one, by the various ways exchange of information such as figure, sound, increases both sides to the understandability of content, make people like body
It is the same to face the meeting that its border is participated in same meeting-place.
Current more people's videos are based primarily upon the multi-party video technology of video conferencing system central control equipment (MCU).But
The more people's videos realized by the technology, by multi-path video stream synthesis, (i.e. more picture bit streams synthesize video flowing MCU, also referred to as all the way
Mixed screen) it is sent to terminal, the video flowing that terminal receives at this time is the video flowing all the way after multi-path video stream synthesis, leads to terminal
The video flowing of distribution can not be adjusted.
Summary of the invention
The embodiment of the present invention provides a kind of video stream distributing method, device, equipment and computer storage medium, can adjust
The distribution of video flowing.
On the one hand, the embodiment of the invention provides a kind of video stream distributing method, method includes:
It receives the modification for video flowing that user terminal is sent to instruct, includes needing to modify video flowing in modification instruction
The identification information for the video flowing that the identification information and needs of terminal are modified；
The video flowing that identification information and needs according to the terminal for needing to modify video flowing for including in modification instruction are modified
Identification information, distribute video flowing.
On the other hand, the embodiment of the invention provides a kind of video flowing diostribution device, device includes: receiving module and distribution
Module, wherein
Receiving module, the modification for video flowing for receiving user terminal transmission instruct, and include needing in modification instruction
The identification information for the video flowing that the identification information and needs for modifying the terminal of video flowing are modified；
Distribution module, for the identification information and needs according to the terminal for needing to modify video flowing for including in modification instruction
The identification information of the video flowing of modification distributes video flowing.
In another aspect, the embodiment of the invention provides a kind of video flowing discharge device, which includes: processor and deposits
Contain the memory of computer program instructions；Processor execution stores the realization in the computer program instructions on the memory
Any one video stream distributing method.
In another aspect, being stored in the computer storage medium the embodiment of the invention provides a kind of computer storage medium
There are computer program instructions；The computer program instructions realize any one video stream distributing method when being executed by processor.
Video stream distributing method, device, equipment and the computer storage medium of the embodiment of the present invention, can adjust video flowing
Distribution.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 shows the flow diagram of video stream distributing method provided in an embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of video flowing diostribution device provided in an embodiment of the present invention；
Fig. 3 shows the structural schematic diagram of video flowing discharge device provided in an embodiment of the present invention.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is further retouched in detail
It states.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting the present invention.
To those skilled in the art, the present invention can be real in the case where not needing some details in these details
It applies.Below the description of embodiment is used for the purpose of better understanding the present invention to provide by showing example of the invention.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
In order to solve prior art problem, the embodiment of the invention provides a kind of video stream distributing method, device, equipment and
Computer storage medium.Video stream distributing method is provided for the embodiments of the invention first below to be introduced.
Fig. 1 shows the flow diagram of video stream distributing method provided in an embodiment of the present invention.It may include:
S101: it receives the modification for video flowing that user terminal is sent and instructs.
It wherein, include the identification information for the terminal for needing to modify video flowing and the video flowing that needs are modified in modification instruction
Identification information.
S102: the view that identification information and needs according to the terminal for needing to modify video flowing for including in modification instruction are modified
The identification information of frequency stream, distributes video flowing.
It is illustrated by taking the scene of multimedia remote education classroom as an example below.
Teacher A is sent out by the terminal 1 that it is used to IP multimedia subsystem (IP Multimedia Subsystem, IMS)
The request in creation multimedia remote education classroom is played, the terminal iidentification letter of student B, student C and student D are carried in the request
Breath.
The terminal identification information of IMS student B, student C and student D according to entrained by the request, to student B, student C and
The terminal originated calls of student D.
Multimedia remote education classroom is added in the terminal of student B, student C and student D, at this point, student B, student C and student
The terminal of D and the video flowing of terminal 1 are sent to video repeater (Video Relay).
The video flowing distribution rules being arranged when Video Relay is according to creation multimedia remote education classroom, distribute video
Stream.
Illustratively, it is assumed that the video flowing distribution rules that are arranged when creation multimedia remote education classroom are as follows: will be from
The video flowing of terminal 1 is distributed to the terminal of student B, student C and student D, will be from the terminal of student B, student C and student D
Video flowing be distributed to terminal 1.
Then Video Relay will be distributed to student B, student C and student from the video flowing of terminal 1 according to above-mentioned rule
The terminal of D will be distributed to terminal 1 from the video flowing of the terminal of student B, student C and student D.That is student B, student C and
The terminal of raw D shows teacher A.The terminal of teacher A shows student B, student C and student D simultaneously.
When teacher A is intended to modify the content of a certain student seen, taken by network server (Web Server) and application
The modification of business device (Application Server, AS) to Video Relay transmission for video flowing instructs, in modification instruction
The identification information for the video flowing that the identification information and needs of terminal including the student are modified, Video Relay refer to according to modification
The identification information for the video flowing that the identification information and needs of the terminal for the student for including in order are modified, to the terminal point of the student
Send out video flowing.
In one embodiment of the invention, modification instruction may include: video flowing switching command, wherein video flowing is cut
The identification information of video flowing before changing the identification information of terminal for carrying Switch Video stream in need in instruction, switching and switching
The identification information of video flowing afterwards.
The foundation of the embodiment of the present invention is modified the identification information for the terminal for needing to modify video flowing for including in instruction and is needed
The identification information of the video flowing to be modified distributes video flowing, may include: according to video flowing switching command, by the view after switching
Frequency flow point issues the terminal for needing Switch Video stream, stops the video flowing before the terminal distribution switching for needing Switch Video stream.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D all show student B, can be sent at this time by Web Server and AS to Video Relay include student B,
The terminal of the identification information of the terminal of student C and student D, the identification information of the corresponding video flowing of terminal 1 and student B is corresponding
The video flowing switching command of the identification information of video flowing.
Video Relay, only will be from the video flow point of the terminal of student B after receiving the video flowing switching command
The terminal of student B, student C and student D are issued, the video flowing of self terminal 1 is not distributed to student B, student C and student D in the future
Terminal.The terminal of student B, student C and student D are completed to be switched to the terminal from student B from the video flowing of terminal 1
Video flowing.
At this point, the terminal of student B, student C and student D show student B.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D all shows student B, at this time can by voice or text notification student B, student C and student D, make student B,
The terminal of student C and student D all show student B.
The terminal of student B, student C and student D pass through Web Server and AS to Video Relay transmission respectively
The mark of the identification information of each self terminal, the corresponding video flowing of terminal of the identification information and student B of the corresponding video flowing of terminal 1
Know the video flowing switching command of information.
Video Relay, will be from student B's after the video flowing switching command that the terminal for receiving student B is sent
The video flowing of terminal is distributed to the terminal of student B, and the video flowing of self terminal 1 is not distributed to the terminal of student B in the future.Student B's
Terminal completes the video flowing that the terminal from student B is switched to from the video flowing of terminal 1.
Video Relay, will be from student B's after the video flowing switching command that the terminal for receiving student C is sent
The video flowing of terminal is distributed to the terminal of student C, and the video flowing of self terminal 1 is not distributed to the terminal of student C in the future.Student C's
Terminal completes the video flowing that the terminal from student B is switched to from the video flowing of terminal 1.
Video Relay, will be from student B's after the video flowing switching command that the terminal for receiving student D is sent
The video flowing of terminal is distributed to the terminal of student D, and the video flowing of self terminal 1 is not distributed to the terminal of student D in the future.Student D's
Terminal completes the video flowing that the terminal from student B is switched to from the video flowing of terminal 1.
At this point, the terminal of student B, student C and student D show student B.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
In one embodiment of the invention, modification instruction may include: that video flowing increases instruction, wherein video flowing increases
The identification information for adding the identification information for carrying the terminal in need for increasing video flowing in instruction and needing increased video flowing.
The foundation of the embodiment of the present invention is modified the identification information for the terminal for needing to modify video flowing for including in instruction and is needed
The identification information of the video flowing to be modified distributes video flowing, may include: to increase instruction according to video flowing, original to needs
On the basis of the video flowing of terminal distribution for increasing video flowing, increased video flowing will be needed to be distributed to and need to increase video flowing
Terminal.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D shows that teacher A shows student B again, can be sent wrap to Video Relay by Web Server and AS at this time
The identification information of the corresponding video flowing of terminal of the identification information and student B of terminal containing student B, student C and student D
Video flowing increases instruction.
Video Relay receive the video flowing increase instruction after, by from the video flowing of the terminal of student B and come
The terminal of student B, student C and student D are distributed to from the video flowing in terminal 1.The terminal of student B, student C and student D are complete
At the increase of the video flowing of the terminal from student B.
At this point, the terminal of student B, student C and student D had not only shown teacher A but also had shown student B.The terminal of teacher A is shown simultaneously
Dendrography gives birth to B, student C and student D.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D shows that teacher A shows student B again, can pass through voice or text notification student B, student C and student at this time
D makes the terminal of student B, student C and student D show student B.
The terminal of student B, student C and student D pass through Web Server and AS to Video Relay transmission respectively
The video flowing of the identification information of the corresponding video flowing of terminal of the identification information and student B of each self terminal increases instruction.
Video Relay, will be from student B's after the video flowing that the terminal for receiving student B is sent increases instruction
The video flowing of terminal and the terminal that student B is distributed to from the video flowing of terminal 1.The terminal of student B is completed from
The increase of the video flowing of the terminal of raw B.
Video Relay, will be from student B's after the video flowing that the terminal for receiving student C is sent increases instruction
The video flowing of terminal and the terminal that student C is distributed to from the video flowing of terminal 1.The terminal of student C is completed from
The increase of the video flowing of the terminal of raw B.
Video Relay, will be from student B's after the video flowing that the terminal for receiving student D is sent increases instruction
The video flowing of terminal and the terminal that student D is distributed to from the video flowing of terminal 1.The terminal of student D is completed from
The increase of the video flowing of the terminal of raw B.
At this point, the terminal of student B, student C and student D had not only shown teacher A but also had shown student B.The terminal of teacher A is shown simultaneously
Dendrography gives birth to B, student C and student D.
In one embodiment of the invention, modification instruction may include: that video flowing reduces instruction, wherein video flowing subtracts
The identification information of the terminal in need for reducing video flowing is carried in oligodactyly order and needs the identification information of reduced video flowing.
The foundation of the embodiment of the present invention is modified the identification information for the terminal for needing to modify video flowing for including in instruction and is needed
The identification information of the video flowing to be modified distributes video flowing, may include: to reduce instruction according to video flowing, original to needs
On the basis of the video flowing of terminal distribution for reducing video flowing, stop distributing what needs were reduced to the terminal for needing to reduce video flowing
Video flowing.
Illustratively, teacher A specify student B for everybody explain exercise perhaps answer a question student B explain exercise or
After answering a question, the terminal of student B to be made, student C and student D only show that teacher A without showing student B, can pass through at this time
Web Server and AS to Video Relay send include student B, student C and student D terminal identification information and
The video flowing of the identification information of the corresponding video flowing of terminal of raw B reduces instruction.
For Video Relay after receiving the video flowing and reducing instruction, stopping will be from the video flowing of the terminal of student B
It is distributed to the terminal of student B, student C and student D, only will be distributed to student B, student C and student from the video flowing of terminal 1
The terminal of D.The terminal of student B, student C and student D complete the reduction of the video flowing of the terminal from student B.
At this point, the terminal of student B, student C and student D only show teacher A.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
Illustratively, teacher A specify student B for everybody explain exercise perhaps answer a question student B explain exercise or
After answering a question, the terminal of student B to be made, student C and student D only show that teacher A without showing student B, can pass through at this time
Voice or text notification student B, student C and student D, make the terminal of student B, student C and student D only show teacher A.
The terminal of student B, student C and student D pass through Web Server and AS to Video Relay transmission respectively
The video flowing of the identification information of the corresponding video flowing of terminal of the identification information and student B of each self terminal reduces instruction.
For Video Relay after the video flowing that the terminal for receiving student B is sent reduces instruction, stopping will be from student
The video flowing of the terminal of B is distributed to the terminal of student B, and the terminal of student B will be only distributed to from the video flowing of terminal 1.It learns
The terminal of raw B completes the reduction of the video flowing of the terminal from student B.
For Video Relay after the video flowing that the terminal for receiving student C is sent reduces instruction, stopping will be from student
The video flowing of the terminal of B is distributed to the terminal of student C, and the terminal of student C will be only distributed to from the video flowing of terminal 1.It learns
The terminal of raw C completes the reduction of the video flowing of the terminal from student B.
For Video Relay after the video flowing that the terminal for receiving student D is sent reduces instruction, stopping will be from student
The video flowing of the terminal of B is distributed to the terminal of student D, and the terminal of student D will be only distributed to from the video flowing of terminal 1.It learns
The terminal of raw D completes the reduction of the video flowing of the terminal from student B.
At this point, the terminal of student B, student C and student D only show teacher A.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
In one embodiment of the invention, modification instruction may include: video stream bit rate adjustment instruction, video stream bit rate
The identification information of the terminal of adjustment video stream bit rate in need is carried in adjustment instruction, needs to adjust the video flowing of video stream bit rate
Identification information and video stream bit rate adjusted.
The foundation of the embodiment of the present invention is modified the identification information for the terminal for needing to modify video flowing for including in instruction and is needed
The identification information of the video flowing to be modified distributes video flowing, may include: according to video stream bit rate adjusted, adjustment needs
Adjust the video flowing of video stream bit rate；Code rate video flowing adjusted is distributed to the terminal for needing to adjust video stream bit rate.
Illustratively, it is assumed that the poor network speed of the terminal bandwidth of student B is lower, at this point, student B is logical using the terminal that it is used
Cross Web Server and AS to Video Relay send include student B terminal identification information, the corresponding video of terminal 1
The video stream bit rate adjustment instruction of the identification information of stream and video stream bit rate adjusted.
Video Relay will be answered after receiving the video stream bit rate adjustment instruction from the video flowing of terminal 1
System, is adjusted the code rate of the video flowing of duplication according to video stream bit rate adjusted, video flowing adjusted is distributed to
The terminal of student B.
In practical applications, the adjustment of video stream bit rate can also be completed by terminal.Illustratively, it is assumed that the end of student B
End has high-definition camera, and the code rate of video flowing collected is higher.But code rate is higher, image shown by other terminals is got over
It is easy Caton.In order to avoid image Caton, terminal 1 can include to Video Relay transmission by Web Server and AS
The video stream bit rate adjustment instruction of the identification information of the terminal of student B and video stream bit rate adjusted.Video Relay will
The video stream bit rate adjustment instruction is transmitted to the terminal of student B.The terminal of student B is receiving the video stream bit rate adjustment instruction
Afterwards, the collected video stream bit rate of high-definition camera is adjusted according to video stream bit rate adjusted, by view adjusted
Frequency stream is sent to Video Relay.The video flowing that Video Relay sends the terminal for receiving student B at this time, is distributed to it
His terminal.
The video stream distributing method of the embodiment of the present invention, can adjust the distribution of video flowing.
Corresponding with above-mentioned embodiment of the method, the embodiment of the present invention also provides a kind of video flowing diostribution device.
Fig. 2 shows the structural schematic diagrams of video flowing diostribution device provided in an embodiment of the present invention.It may include: to receive
Module 201 and distribution module 202, wherein
Receiving module 201, the modification for video flowing for receiving user terminal transmission instruct, and include in modification instruction
The identification information for the video flowing that the identification information and needs for needing to modify the terminal of video flowing are modified；
Distribution module 202, for according to modification instruction in include the terminal for needing to modify video flowing identification information and
The identification information for the video flowing for needing to modify distributes video flowing.
It is illustrated by taking the scene of multimedia remote education classroom as an example below.
The terminal 1 that teacher A is used by it initiates the request in creation multimedia remote education classroom to IMS, in the request
Carry the terminal identification information of student B, student C and student D.
The terminal identification information of IMS student B, student C and student D according to entrained by the request, to student B, student C and
The terminal originated calls of student D.
Multimedia remote education classroom is added in the terminal of student B, student C and student D, at this point, student B, student C and student
The terminal of D and the video flowing of terminal 1 are sent to video flowing diostribution device.
The video flowing distribution rules being arranged when video flowing diostribution device is according to creation multimedia remote education classroom, distribution view
Frequency flows.
Illustratively, it is assumed that the video flowing distribution rules that are arranged when creation multimedia remote education classroom are as follows: will be from
The video flowing of terminal 1 is distributed to the terminal of student B, student C and student D, will be from the terminal of student B, student C and student D
Video flowing be distributed to terminal 1.
Then distribution module 202 will be distributed to student B, student C and student from the video flowing of terminal 1 according to above-mentioned rule
The terminal of D will be distributed to terminal 1 from the video flowing of the terminal of student B, student C and student D.That is student B, student C and
The terminal of raw D shows teacher A.The terminal of teacher A shows student B, student C and student D simultaneously.
When teacher A is intended to modify the content of a certain student seen, repairing for video flowing is sent to video flowing diostribution device
Change instruction, modification instruction is received by the receiving module 201 in video flowing diostribution device, includes the student's in modification instruction
The identification information for the video flowing that the identification information and needs of terminal are modified, distribution module 202 should according to include in modification instruction
The identification information for the video flowing that the identification information and needs of the terminal of student are modified distributes video flowing to the terminal of the student.
In one embodiment of the invention, modification instruction may include: video flowing switching command, wherein video flowing is cut
The identification information of video flowing before changing the identification information of terminal for carrying Switch Video stream in need in instruction, switching and switching
The identification information of video flowing afterwards.
The distribution module 202 of the embodiment of the present invention, specifically can be used for: according to video flowing switching command, after switching
Video flowing is distributed to the terminal for needing Switch Video stream, stops the video before the terminal distribution switching for needing Switch Video stream
Stream.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D all shows student B, at this time includes the terminal of student B, student C and student D to the transmission of video flowing diostribution device
Identification information, the corresponding video flowing of terminal 1 identification information and student B the corresponding video flowing of terminal identification information view
Frequency stream switching command, the video flowing switching command are received by the receiving module 201 in video flowing diostribution device.
For receiving module 201 after receiving the video flowing switching command, distribution module 202 only will be from the end of student B
The video flowing at end is distributed to the terminal of student B, student C and student D, and the video flowing of self terminal 1 is not distributed to student B, learns in the future
The terminal of raw C and student D.The terminal of student B, student C and student D complete to be switched to from the video flowing of terminal 1 from
The video flowing of the terminal of student B.
At this point, the terminal of student B, student C and student D show student B.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D all shows student B, at this time can by voice or text notification student B, student C and student D, make student B,
The terminal of student C and student D all show student B.
The terminal of student B, student C and student D include the mark of each self terminal to the transmission of video flowing diostribution device respectively
Information, the corresponding video flowing of terminal 1 identification information and student B the corresponding video flowing of terminal identification information video flowing
Switching command, the video flowing switching command are received by the receiving module 201 in video flowing diostribution device.
Receiving module 201 is after the video flowing switching command that the terminal for receiving student B is sent, and distribution module 202 is in the future
The terminal of student B is distributed to from the video flowing of the terminal in student B, the video flowing of self terminal 1 is not distributed to end of student B in the future
End.The terminal of student B completes the video flowing that the terminal from student B is switched to from the video flowing of terminal 1.
Receiving module 201 is after the video flowing switching command that the terminal for receiving student C is sent, and distribution module 202 is in the future
The terminal of student C is distributed to from the video flowing of the terminal in student B, the video flowing of self terminal 1 is not distributed to end of student C in the future
End.The terminal of student C completes the video flowing that the terminal from student B is switched to from the video flowing of terminal 1.
Receiving module 201 is after the video flowing switching command that the terminal for receiving student D is sent, and distribution module 202 is in the future
The terminal of student D is distributed to from the video flowing of the terminal in student B, the video flowing of self terminal 1 is not distributed to end of student D in the future
End.The terminal of student D completes the video flowing that the terminal from student B is switched to from the video flowing of terminal 1.
At this point, the terminal of student B, student C and student D show student B.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
In one embodiment of the invention, modification instruction may include: that video flowing increases instruction, wherein video flowing increases
The identification information for adding the identification information for carrying the terminal in need for increasing video flowing in instruction and needing increased video flowing.
The distribution module 202 of the embodiment of the present invention, specifically can be used for: increase instruction according to video flowing, original to need
On the basis of the video flowing of terminal distribution for increasing video flowing, increased video flowing will be needed to be distributed to and need to increase video flowing
Terminal.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D shows that teacher A shows student B again, and can send at this time to video flowing diostribution device includes student B, student C
The video flowing of the identification information of video flowing corresponding with the terminal of the identification information of the terminal of student D and student B increases instruction,
The video flowing increases instruction and is received by the receiving module 201 in video flowing diostribution device.
For receiving module 201 after receiving the video flowing and increasing instruction, distribution module 202 will be from the terminal of student B
Video flowing and the terminal of student B, student C and student D is distributed to from the video flowing of terminal 1.Student B, student C and
The terminal of raw D completes the increase of the video flowing of the terminal from student B.
At this point, the terminal of student B, student C and student D had not only shown teacher A but also had shown student B.The terminal of teacher A is shown simultaneously
Dendrography gives birth to B, student C and student D.
Illustratively, teacher A specifies student B to explain exercise for everybody or answer a question, student B, student C and to be made
The terminal of raw D shows that teacher A shows student B again, can pass through voice or text notification student B, student C and student at this time
D makes the terminal of student B, student C and student D show student B.
The terminal of student B, student C and student D include the mark of each self terminal to the transmission of video flowing diostribution device respectively
The video flowing of the identification information of information and the corresponding video flowing of the terminal of student B increases instruction, which increases instruction quilt
Receiving module 201 in video flowing diostribution device receives.
Receiving module 201 is after the video flowing that the terminal for receiving student B is sent increases instruction, and distribution module 202 is in the future
The terminal of student B is distributed to from the video flowing of the terminal in student B and from the video flowing of terminal 1.The terminal of student B is complete
At the increase of the video flowing of the terminal from student B.
Receiving module 201 is after the video flowing that the terminal for receiving student C is sent increases instruction, and distribution module 202 is in the future
The terminal of student C is distributed to from the video flowing of the terminal in student B and from the video flowing of terminal 1.The terminal of student C is complete
At the increase of the video flowing of the terminal from student B.
Receiving module 201 is after the video flowing that the terminal for receiving student D is sent increases instruction, and distribution module 202 is in the future
The terminal of student D is distributed to from the video flowing of the terminal in student B and from the video flowing of terminal 1.The terminal of student D is complete
At the increase of the video flowing of the terminal from student B.
At this point, the terminal of student B, student C and student D had not only shown teacher A but also had shown student B.The terminal of teacher A is shown simultaneously
Dendrography gives birth to B, student C and student D.
In one embodiment of the invention, modification instruction may include: that video flowing reduces instruction, wherein video flowing subtracts
The identification information of the terminal in need for reducing video flowing is carried in oligodactyly order and needs the identification information of reduced video flowing.
The distribution module 202 of the embodiment of the present invention, specifically can be used for: instruction be reduced according to video flowing, original to need
On the basis of the video flowing of terminal distribution for reducing video flowing, stop needing to reduce to the terminal distribution for needing to reduce video flowing
Video flowing.
Illustratively, teacher A specify student B for everybody explain exercise perhaps answer a question student B explain exercise or
After answering a question, the terminal of student B to be made, student C and student D only show that teacher A, at this time can be to view without showing student B
Frequency flow point transmitting apparatus send include student B, student C and student D terminal identification information and student B terminal it is corresponding
The video flowing of the identification information of video flowing reduces instruction, which reduces instruction by the receiving module in video flowing diostribution device
201 receive.
For receiving module 201 after receiving the video flowing and reducing instruction, the stopping of distribution module 202 will be from student B's
The video flowing of terminal is distributed to the terminal of student B, student C and student D, only will be distributed to student from the video flowing of terminal 1
B, the terminal of student C and student D.The terminal of student B, student C and student D complete the video flowing of the terminal from student B
It reduces.
At this point, the terminal of student B, student C and student D only show teacher A.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
Illustratively, teacher A specify student B for everybody explain exercise perhaps answer a question student B explain exercise or
After answering a question, the terminal of student B to be made, student C and student D only show that teacher A without showing student B, can pass through at this time
Voice or text notification student B, student C and student D, make the terminal of student B, student C and student D only show teacher A.
The terminal of student B, student C and student D include the mark of each self terminal to the transmission of video flowing diostribution device respectively
The video flowing of the identification information of information and the corresponding video flowing of the terminal of student B reduces instruction, which reduces instruction quilt
Receiving module 201 in video flowing diostribution device receives.
After the video flowing that the terminal for receiving student B is sent reduces instruction, distribution module 202 stops receiving module 201
It will be distributed to the terminal of student B from the video flowing of the terminal of student B, only will be distributed to from the video flowing of terminal 1
The terminal of raw B.The terminal of student B completes the reduction of the video flowing of the terminal from student B.
After the video flowing that the terminal for receiving student C is sent reduces instruction, distribution module 202 stops receiving module 201
It will be distributed to the terminal of student C from the video flowing of the terminal of student B, only will be distributed to from the video flowing of terminal 1
The terminal of raw C.The terminal of student C completes the reduction of the video flowing of the terminal from student B.
After the video flowing that the terminal for receiving student D is sent reduces instruction, distribution module 202 stops receiving module 201
It will be distributed to the terminal of student D from the video flowing of the terminal of student B, only will be distributed to from the video flowing of terminal 1
The terminal of raw D.The terminal of student D completes the reduction of the video flowing of the terminal from student B.
At this point, the terminal of student B, student C and student D only show teacher A.The terminal of teacher A shows student B simultaneously, learns
Raw C and student D.
In one embodiment of the invention, modification instruction may include: video stream bit rate adjustment instruction, wherein video
The identification information of the terminal of adjustment video stream bit rate in need is carried in stream bit rate adjustment instruction, needs to adjust video stream bit rate
The identification information of video flowing and video stream bit rate adjusted.
The distribution module 202 of the embodiment of the present invention, specifically can be used for: according to video stream bit rate adjusted, adjustment is needed
Adjust the video flowing of video stream bit rate；Code rate video flowing adjusted is distributed to the terminal for needing to adjust video stream bit rate.
Illustratively, it is assumed that the poor network speed of the terminal bandwidth of student B is lower, at this point, the terminal that is used using it of student B to
Video flowing diostribution device send include the identification information of terminal of student B, the identification information of the corresponding video flowing of terminal 1 and
The video stream bit rate adjustment instruction of video stream bit rate adjusted, the video stream bit rate adjustment instruction is by video flowing diostribution device
Receiving module 201 receive.
For receiving module 201 after receiving the video stream bit rate adjustment instruction, distribution module 202 will be from terminal 1
Video flowing is replicated, and is adjusted according to video stream bit rate adjusted to the code rate of the video flowing of duplication, will be adjusted
Video flowing is distributed to the terminal of student B.
In practical applications, the adjustment of video stream bit rate can also be completed by terminal.Illustratively, it is assumed that the end of student B
End has high-definition camera, and the code rate of video flowing collected is higher.But code rate is higher, image shown by other terminals is got over
It is easy Caton.In order to avoid image Caton, terminal 1 can include the mark of the terminal of student B to the transmission of video flowing diostribution device
Know the video stream bit rate adjustment instruction of information and video stream bit rate adjusted.Video flowing diostribution device is by the video stream bit rate
Adjustment instruction is transmitted to the terminal of student B.The terminal of student B is after receiving the video stream bit rate adjustment instruction, according to adjustment
Video stream bit rate afterwards is adjusted the collected video stream bit rate of high-definition camera, by video stream adjusted to view
Frequency flow point transmitting apparatus.Receiving module 201 receives the video flowing that the terminal of student B is sent, and distribution module 202 will receiving module at this time
The video flowing that 201 terminals for receiving student B are sent is distributed to other terminals.
The video flowing diostribution device of the embodiment of the present invention, can adjust the distribution of video flowing.
In addition, the video stream distributing method and device in conjunction with Fig. 1 and Fig. 2 embodiment of the present invention described can be by video flowings
Discharge device is realized.Fig. 3 shows the hardware structural diagram of video flowing discharge device provided in an embodiment of the present invention.
Video flowing discharge device may include processor 301 and the memory 302 for being stored with computer program instructions.
Specifically, above-mentioned processor 301 may include central processing unit (CPU) or specific integrated circuit
(Application Specific Integrated Circuit, ASIC), or may be configured to implement implementation of the present invention
One or more integrated circuits of example.
Memory 302 may include the mass storage for data or instruction.For example it rather than limits, memory
302 may include hard disk drive (Hard Disk Drive, HDD), floppy disk drive, flash memory, CD, magneto-optic disk, tape or logical
With the combination of universal serial bus (Universal Serial Bus, USB) driver or two or more the above.It is closing
In the case where suitable, memory 302 may include the medium of removable or non-removable (or fixed).In a suitable case, it stores
Device 302 can be inside or outside synthesized gateway disaster tolerance equipment.In a particular embodiment, memory 302 is nonvolatile solid state
Memory.In a particular embodiment, memory 302 includes read-only memory (ROM).In a suitable case, which can be
ROM, programming ROM (PROM), erasable PROM (EPROM), the electric erasable PROM (EEPROM), electrically rewritable of masked edit program
The combination of ROM (EAROM) or flash memory or two or more the above.
Processor 301 is by reading and executing the computer program instructions stored in memory 302, to realize above-mentioned implementation
Any one video stream distributing method in example.
In one example, video flowing discharge device may also include communication interface 303 and bus 310.Wherein, such as Fig. 3 institute
Show, processor 301, memory 302, communication interface 303 connect by bus 310 and complete mutual communication.
Communication interface 303 is mainly used for realizing in the embodiment of the present invention between each module, device, unit and/or equipment
Communication.
Bus 310 includes hardware, software or both, and the component of video flowing discharge device is coupled to each other together.Citing
For rather than limit, bus may include accelerated graphics port (AGP) or other graphics bus, enhancing Industry Standard Architecture (EISA)
Bus, front side bus (FSB), super transmission (HT) interconnection, the interconnection of Industry Standard Architecture (ISA) bus, infinite bandwidth, low pin count
(LPC) bus, memory bus, micro- channel architecture (MCA) bus, peripheral component interconnection (PCI) bus, PCI-Express
(PCI-X) bus, Serial Advanced Technology Attachment (SATA) bus, Video Electronics Standards Association part (VLB) bus or other conjunctions
The combination of suitable bus or two or more the above.In a suitable case, bus 310 may include one or more
Bus.Although specific bus has been described and illustrated in the embodiment of the present invention, the present invention considers any suitable bus or interconnection.
The video flowing discharge device can execute the view in the embodiment of the present invention based on the relevant information for carrying out user terminal
Frequency stream distributing method, to realize video stream distributing method and device in conjunction with Fig. 1 and Fig. 2 description.
In addition, in conjunction with the video stream distributing method in above-described embodiment, the embodiment of the present invention can provide a kind of computer and deposit
Storage media is realized.Computer program instructions are stored in the computer storage medium；The computer program instructions are by processor
Any one video stream distributing method in above-described embodiment is realized when execution.
It should be clear that the invention is not limited to specific configuration described above and shown in figure and processing.
For brevity, it is omitted here the detailed description to known method.In the above-described embodiments, several tools have been described and illustrated
The step of body, is as example.But method process of the invention is not limited to described and illustrated specific steps, this field
Technical staff can be variously modified, modification and addition after understanding spirit of the invention, or suitable between changing the step
Sequence.
Functional block shown in structures described above block diagram can be implemented as hardware, software, firmware or their group
It closes.When realizing in hardware, it may, for example, be electronic circuit, specific integrated circuit (ASIC), firmware appropriate, insert
Part, function card etc..When being realized with software mode, element of the invention is used to execute program or the generation of required task
Code section.Perhaps code segment can store in machine readable media program or the data-signal by carrying in carrier wave is passing
Defeated medium or communication links are sent." machine readable media " may include any medium for capableing of storage or transmission information.
The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), soft
Disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can be via such as internet, inline
The computer network of net etc. is downloaded.
It should also be noted that, the exemplary embodiment referred in the present invention, is retouched based on a series of step or device
State certain methods or system.But the present invention is not limited to the sequence of above-mentioned steps, that is to say, that can be according in embodiment
The sequence referred to executes step, may also be distinct from that the sequence in embodiment or several steps are performed simultaneously.
The above description is merely a specific embodiment, it is apparent to those skilled in the art that,
For convenience of description and succinctly, the system, module of foregoing description and the specific work process of unit can refer to preceding method
Corresponding process in embodiment, details are not described herein.It should be understood that scope of protection of the present invention is not limited thereto, it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of video stream distributing method, which is characterized in that the described method includes:
It receives the modification for video flowing that user terminal is sent to instruct, includes needing to modify video flowing in the modification instruction
The identification information for the video flowing that the identification information and needs of terminal are modified；
The video flowing that identification information and needs according to the terminal for needing to modify video flowing for including in the modification instruction are modified
Identification information, distribute video flowing.
2. the method according to claim 1, wherein the modification instruction include: video flowing switching command, it is described
The identification information of video flowing before carrying the identification information of the terminal of Switch Video stream in need, switching in video flowing switching command
And the identification information of the video flowing after switching；
The view that the identification information and needs according to the terminal for needing to modify video flowing for including in the modification instruction is modified
The identification information of frequency stream, distributes video flowing, comprising:
According to the video flowing switching command, the video flowing after the switching is distributed to the end for needing Switch Video stream
End stops the video flowing before the terminal distribution switching for needing Switch Video stream.
3. the method according to claim 1, wherein the modification instruction include: video flowing increase instruction, it is described
Video flowing increases the identification information that the terminal in need for increasing video flowing is carried in instruction and the mark for needing increased video flowing
Know information；
The view that the identification information and needs according to the terminal for needing to modify video flowing for including in the modification instruction is modified
The identification information of frequency stream, distributes video flowing, comprising:
Increase according to the video flowing and instruct, on the basis of original video flowing distributed to the terminal for needing to increase video flowing
On, need increased video flowing to be distributed to the terminal for needing to increase video flowing for described.
4. the method according to claim 1, wherein the modification instruction include: video flowing reduce instruction, it is described
Video flowing reduces the identification information that the terminal in need for reducing video flowing is carried in instruction and the mark for needing reduced video flowing
Know information；
The view that the identification information and needs according to the terminal for needing to modify video flowing for including in the modification instruction is modified
The identification information of frequency stream, distributes video flowing, comprising:
It reduces and instructs according to the video flowing, on the basis of original video flowing distributed to the terminal for needing to reduce video flowing
On, stop needing reduced video flowing to the terminal distribution for needing to reduce video flowing.
5. the method according to claim 1, wherein the modification instruction include: video stream bit rate adjustment instruction,
The identification information of the terminal of adjustment video stream bit rate in need is carried in the video stream bit rate adjustment instruction, needs to adjust video
The identification information of the video flowing of stream bit rate and video stream bit rate adjusted；
The view that the identification information and needs according to the terminal for needing to modify video flowing for including in the modification instruction is modified
The identification information of frequency stream, distributes video flowing, comprising:
According to the video stream bit rate adjusted, adjustment needs to adjust the video flowing of video stream bit rate；
Code rate video flowing adjusted is distributed to the terminal for needing to adjust video stream bit rate.
6. a kind of video flowing diostribution device, which is characterized in that described device includes: receiving module and distribution module, wherein
The receiving module, the modification for video flowing for receiving user terminal transmission instruct, and wrap in the modification instruction
The identification information for the video flowing that the identification information and needs for including the terminal for needing to modify video flowing are modified；
The distribution module, for according to it is described modification instruction in include the terminal for needing to modify video flowing identification information and
The identification information for the video flowing for needing to modify distributes video flowing.
7. device according to claim 6, which is characterized in that the modification instruction includes: video flowing switching command, described
The identification information of video flowing before carrying the identification information of the terminal of Switch Video stream in need, switching in video flowing switching command
And the identification information of the video flowing after switching；
The distribution module, is specifically used for:
According to the video flowing switching command, the video flowing after the switching is distributed to the end for needing Switch Video stream
End stops the video flowing before the terminal distribution switching for needing Switch Video stream.
8. device according to claim 6, which is characterized in that the modification instruction includes: that video flowing increases instruction, described
Video flowing increases the identification information that the terminal in need for increasing video flowing is carried in instruction and the mark for needing increased video flowing
Know information；
The distribution module, is specifically used for:
Increase according to the video flowing and instruct, on the basis of original video flowing distributed to the terminal for needing to increase video flowing
On, need increased video flowing to be distributed to the terminal for needing to increase video flowing for described.
9. a kind of video flowing discharge device, which is characterized in that the equipment includes: processor and is stored with computer program and refers to
The memory of order；
The processor realizes the video flow point as described in claim 1-5 any one when executing the computer program instructions
Forwarding method.
10. a kind of computer storage medium, which is characterized in that be stored with computer program in the computer storage medium and refer to
It enables；The video stream distribution as described in claim 1-5 any one is realized when the computer program instructions are executed by processor
Method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710561123.6A CN109246449A (en) | 2017-07-11 | 2017-07-11 | Video stream distributing method, device, equipment and computer storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710561123.6A CN109246449A (en) | 2017-07-11 | 2017-07-11 | Video stream distributing method, device, equipment and computer storage medium |
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