CN106303559A - A kind of method controlling live video stream and direct broadcast server - Google Patents
A kind of method controlling live video stream and direct broadcast server Download PDFInfo
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- CN106303559A CN106303559A CN201610685031.4A CN201610685031A CN106303559A CN 106303559 A CN106303559 A CN 106303559A CN 201610685031 A CN201610685031 A CN 201610685031A CN 106303559 A CN106303559 A CN 106303559A
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- 238000012546 transfer Methods 0.000 description 4
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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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
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- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of method controlling live video stream, direct broadcast server receives live video stream that each main broadcaster's end equipment uploads and therefrom extracts respective stream parameter；It is then based on respective stream parameter and judges that each main broadcaster's end equipment is the need of adjusting up code stream parameter；If each main broadcaster's end equipment needs to adjust up code stream parameter, send corresponding control instruction to each main broadcaster's end equipment, upload live video stream to direct broadcast server with the appointment up code stream parameter controlling to carry in each main broadcaster's end equipment control instruction according to each reception.The direct broadcast server that the present invention relates to can regulate and control each main broadcaster's end equipment for uploading the up code stream parameter of live video stream based on stream dynamic state of parameters, improve the efficiency of transmission of each main broadcaster's end equipment, reduce or stop main broadcaster's server and the situation of picture clamping stagnation occurs during transmission live video stream, make viewer end equipment be able to receive that the net cast stream that picture is smooth, and then raising spectators watch the enthusiasm of network direct broadcasting.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method controlling live video stream and direct broadcast server.
Background technology
Along with the development of science and technology, communication technology have also been obtained development at full speed, and the kind of electronic product is also got over
Coming the most, people have also enjoyed the various facilities that development in science and technology brings.People can be by various types of mobile whole now
End, enjoys the comfortable life brought along with development in science and technology.Such as, the mobile terminal such as smart mobile phone, panel computer has become as people
Live in an important ingredient, user can use the mobile terminal such as smart mobile phone, panel computer to listen music, object for appreciation
Game, viewing network direct broadcasting etc., to alleviate the pressure that modern fast pace life is brought.
Network direct broadcasting is different user at synchronization realizes the one of living broadcast interactive through network system at intercommunion platform
Entertainment way.Live content can be one-man show, game, film etc..Current network direct broadcasting great majority are all live
People's show, it is generally the case that we call main broadcaster or network main broadcaster the user of live one-man show.
And main broadcaster is when carrying out one-man show, main broadcaster's end equipment can communicate with viewer end equipment in real time and carry out interaction.These are mutual
Dynamic information is required for direct broadcast server and carries out transfer.
Owing to direct broadcast server the most all can access and process the live video that substantial amounts of main broadcaster's end equipment sends
Stream.Substantial amounts of video data stream pours in direct broadcast server in the lump, and each main broadcaster's end equipment can be caused to pass when uploading live video stream
Defeated too slow, and then the situation of picture clamping stagnation occurs, affect the quality watching network direct broadcasting of viewer end equipment, and then significantly reduce
The enthusiasm of viewer end equipment viewing network direct broadcasting, is unfavorable for the universal of mobile interchange technology and development.
Summary of the invention
In view of the above problems, it is proposed that the present invention is to provide a kind of method controlling live video stream and direct broadcast service
Device.
One aspect of the present invention, it is provided that a kind of method controlling live video stream, described method includes:
Direct broadcast server receives the live video stream that each main broadcaster's end equipment is uploaded；
Described direct broadcast server extracts respective stream parameter from the live video stream of described each main broadcaster's end equipment；
Described direct broadcast server stream parameter based on described each main broadcaster's end equipment judges whether described each main broadcaster's end equipment needs
Adjust up code stream parameter；
Described direct broadcast server judges when described each main broadcaster's end equipment needs to adjust up code stream parameter, to described each main broadcaster
End equipment sends corresponding control instruction, with control to carry in the described each main broadcaster's end equipment control instruction according to each reception
Up code stream parameter is specified to upload described live video stream to described direct broadcast server.
As a kind of optional embodiment, described stream parameter includes that delay parameter, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial.
As a kind of optional embodiment, described direct broadcast server stream parameter based on described each main broadcaster's end equipment judges institute
State each main broadcaster's end equipment the need of adjust up code stream parameter, including:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that whether described each main broadcaster's end equipment needs
Adjust up code stream parameter.
As a kind of optional embodiment, described direct broadcast server judges that described each main broadcaster's end equipment needs to adjust up code
During stream parameter, before sending corresponding control instruction to described each main broadcaster's end equipment, including:
Described direct broadcast server according to efficiency of transmission based on described each main broadcaster's end equipment from specify up code stream parameter and
The mapping relations of efficiency of transmission obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
As a kind of optional embodiment, described appointment up code stream parameter includes: specifies code check, specify frame per second, appointment
One or more of resolution.
As a kind of optional embodiment, described up code stream parameter includes code check, frame per second, the one of resolution or many
Kind.
Another aspect of the present invention, it is provided that a kind of direct broadcast server, including:
Receiver module, for receiving the live video stream that each main broadcaster's end equipment is uploaded；
Extraction module, for extracting respective stream parameter from the live video stream of described each main broadcaster's end equipment；
Judge module, for stream parameter based on described each main broadcaster's end equipment judge described each main broadcaster's end equipment the need of
Adjust up code stream parameter；
For described direct broadcast server, sending module, judges that described each main broadcaster's end equipment needs to adjust up code stream parameter
Time, send corresponding control instruction to described each main broadcaster's end equipment, to control described each main broadcaster's end equipment according to each reception
The appointment up code stream parameter carried in control instruction uploads described live video stream to described direct broadcast server.
As a kind of optional embodiment, described stream parameter includes that delay parameter, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial.
As a kind of optional embodiment, described judge module, it is used for:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that whether described each main broadcaster's end equipment needs
Adjust up code stream parameter.
As a kind of optional embodiment, described direct broadcast server, including:
Obtain module, for basis efficiency of transmission based on described each main broadcaster's end equipment from specifying up code stream parameter and biography
The mapping relations of defeated efficiency obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
As a kind of optional embodiment, described appointment up code stream parameter includes: specifies code check, specify frame per second, appointment
One or more of resolution.
As a kind of optional embodiment, described up code stream parameter includes code check, frame per second, the one of resolution or many
Kind.
The technical scheme provided in the embodiment of the present application, at least has the following technical effect that or advantage:
The invention discloses a kind of method controlling live video stream, direct broadcast server receives what each main broadcaster's end equipment was uploaded
Live video stream also therefrom extracts respective stream parameter；It is then based on whether respective stream parameter judges described each main broadcaster's end equipment
Need to adjust up code stream parameter；If described each main broadcaster's end equipment needs to adjust up code stream parameter, to described each main broadcaster's end
Equipment sends corresponding control instruction, to control described each main broadcaster's end equipment according to the finger carried in the control instruction each received
Fixed up code stream parameter uploads described live video stream to described direct broadcast server.The direct broadcast server that the present invention relates to can be based on
Stream dynamic state of parameters regulates and controls each main broadcaster's end equipment and is used for uploading the up code stream parameter of live video stream, improves each main broadcaster's end equipment
Efficiency of transmission, reduces or stops main broadcaster's server and the situation of picture clamping stagnation occur during transmission live video stream, makes
Viewer end equipment is able to receive that the net cast stream that picture is smooth, and then raising spectators watch the enthusiasm of network direct broadcasting.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to allow above and other objects of the present invention, the feature and advantage can
Become apparent, below especially exemplified by the detailed description of the invention of the present invention.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as the present invention
Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical parts.In the accompanying drawings:
Fig. 1 shows a kind of method flow diagram controlling live video stream；
Fig. 2 shows the schematic diagram of a kind of direct broadcast server.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here
Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Embodiments provide a kind of method controlling live video stream, in order to solve each main broadcaster's end of prior art
Equipment transmits too slow when uploading live video stream, and then the situation of picture clamping stagnation occurs, and then affects the sight of viewer end equipment
See the technical problem of the quality of network direct broadcasting.
Mobile terminal that the main broadcaster's end equipment that the present invention relates to refers mainly to have ios operating system or there is other operations
The mobile terminal of system (such as Android operation system, windows operating system), such as IPAD, smart mobile phone, PAD etc.,
And the direct broadcast server that the present invention relates to acts primarily as transfer effect, when the meeting of main broadcaster's end equipment and viewer end equipment intercommunication,
It is responsible for transfer communication data stream to the other side.Set additionally, the direct broadcast server that the present invention relates to is also responsible for dynamic regulation each main broadcaster end
It is ready for use on the up code stream parameter uploading live video stream, improves the efficiency of transmission of each main broadcaster's end equipment, reduce or stop main
Broadcast server and the situation of picture clamping stagnation occurs during transmission live video stream, make viewer end equipment be able to receive that picture
Smooth net cast stream, and then improve spectators and watch the enthusiasm of network direct broadcasting.For example, main broadcaster's end device A is live
Video stream data amount is too big for the network environment bandwidth capacity residing for A, and network transmission bandwidth has reached saturated.And
The data volume of main broadcaster end equipment B is less for the network environment bandwidth capacity residing for B, and the network bandwidth also has the most abundant
Amount.So direct broadcast server can dynamically reduce the up code stream parameter of main broadcaster's end device A, and dynamically adjusts main broadcaster end equipment B
Up code stream parameter, make two main broadcaster's end equipment according to each optimum up code stream parameter transmission data, improve each main broadcaster
The network bandwidth utilization factor of end equipment and efficiency of transmission.
Refer to Fig. 1 below, the embodiment of the invention discloses a kind of method controlling live video stream, including:
S11, direct broadcast server receives the live video stream that each main broadcaster's end equipment is uploaded.
Main broadcaster's end equipment, is the mobile terminal device for user live broadcast, such as main broadcaster carry out one-man show smart mobile phone,
PAD etc..Viewer end equipment, then be the mobile terminal device presenting live picture for user's viewing, such as smart mobile phone, PAD
Etc..
Live video stream, is by main broadcaster's end equipment after the live platform of logging in online, by photographic head Real-time Collection
Video stream data, the content of live video stream is varied, such as, have a meal, sleep, singing etc..Viewer end equipment can receive
The live video stream sent by main broadcaster's end equipment of direct broadcast server transfer.
As a kind of optional embodiment, direct broadcast server can the live video uploaded of real-time reception each main broadcaster end equipment
Stream.The data volume of the live video stream that each main broadcaster's end equipment is uploaded can identical can also differ, the data volume of live video stream
Size, depend on the hardware parameter of live end equipment, live end equipment photographic head shooting the data volume of picture, live end
Setting of network direct broadcasting platform on equipment etc..Such as, the data carried in live video stream are except live end equipment collection
Outside the video data arrived, also carry and sprout face specially good effect, virtual present etc..
S12, described direct broadcast server extracts respective stream parameter from the live video stream of described each main broadcaster's end equipment.
As a kind of optional embodiment, the live video stream that each main broadcaster's end equipment is uploaded all carries respective stream ginseng
Number.
Stream parameter is main broadcaster's end equipment transmission situation response parameter when uploading live video stream, has reacted main broadcaster's end and has set
The standby practical situation when uploading live video stream, stream parameter includes delay parameter, card parameter, frame losing parameter, frame rate stable
Property parameter in one or multinomial, reflection be that frame losing, transmission be unstable, delay etc. situation.Specifically, delay parameter
React is the situation postponing transmission of live video stream, such as, postpone transmission 30 seconds.Card parameter reaction is live video
Stream transmission procedure occurs situation about stagnating, such as, stagnates transmission 20 seconds.Live video stream is by image frame group one by one
Become, and the reaction of frame losing parameter is the situation falling frame in live video stream.Frame rate stable parameter, reaction is transmission per second
The situation of change of frame number, 15 frames that all transmit the most per second, represent frame rate stable.Upper one second, the frame number of transmission was 15 frames, and under
The frame number of transmission in a second is 1 frame, then it represents that frame per second transmission instability.
S13, described direct broadcast server stream parameter based on described each main broadcaster's end equipment judges that described each main broadcaster's end equipment is
No needs adjusts up code stream parameter.
Up code stream parameter is mainly used in transmitting live video stream.
Up code stream parameter includes: code check, frame per second, resolution one or more.
Code check, refers to the data traffic that video file used within the unit interval, is that in Video coding, image quality controls
In most important part.Under same resolution, the code stream of video file is the biggest, and compression algorithm loss is the least, and image quality is just
The best.
Frame per second, represents the frame number of transmission per second.Video flowing is that picture is constituted one by one, and the highest frame per second can obtain
To video flowing more smooth, more true to nature.
Resolution, represents the precision of video image, refers to the pixel that each frame of video pictures comprises has how many.Owing to regarding
Frequently the point on picture, line dough-making powder are all made up of pixel, and the pixel that each frame comprises is the most, and picture is the finest, can carry
Information the most, so resolution is one of very important performance indications.
Code check, frame per second, resolution three are the key factors affecting video flowing transmission speed, but not all main broadcaster
End equipment can support high code check, high frame per second, high-resolution transmission.This needs to depend on the environment that network transmits, if net
The environment of network transmission is poor, when using high code check, high frame per second, high-resolution transmission live video stream, then there will be picture card
The situation such as stagnant.And then the present invention needs direct broadcast server dynamically to adjust the up code stream parameter of each main broadcaster's end equipment, to greatest extent
Allocate each main broadcaster's end equipment transmit live video stream time efficiency of transmission.
As a kind of optional embodiment, described direct broadcast server stream parameter based on described each main broadcaster's end equipment judges institute
State each main broadcaster's end equipment the need of adjust up code stream parameter, including:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；For example,
Live video flow delay transmits 1 second, and efficiency of transmission reduces by 0.1%, and live video stream card pauses 3 seconds, efficiency of transmission reduction by 0.5% etc.
Deng.Efficiency of transmission by delay parameter, card parameter, frame losing parameter, frame rate stable parameter or multinomial comprehensive really
Fixed, finally confirm last efficiency of transmission.
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that whether described each main broadcaster's end equipment needs
Adjust up code stream parameter.For example, if the efficiency of transmission of main broadcaster's end equipment is less than 60%, then need to downgrade up code stream
Parameter；If higher than 60%, then according to original up code stream parameter transmission, if efficiency of transmission is the most stable in a period of time, taste
Examination improves up code stream parameter.
S14, described direct broadcast server judges when described each main broadcaster's end equipment needs to adjust up code stream parameter, to described respectively
Main broadcaster's end equipment sends corresponding control instruction, to control to take in the described each main broadcaster's end equipment control instruction according to each reception
The appointment up code stream parameter of band uploads described live video stream to described direct broadcast server.
Described appointment up code stream parameter includes: specify code check, given resolution, appointment frame per second one or more.
As the optional embodiment of one, the up code stream parameter of each main broadcaster's end equipment can be according to each main broadcaster's end equipment
Depending on efficiency of transmission.Specifically, direct broadcast server can efficiency of transmission based on each main broadcaster's end equipment be joined from the up code stream of appointment
The mapping relations of number and efficiency of transmission obtain the appointment up code stream parameter of each main broadcaster's end equipment.
As a example by specifying frame per second, it is assumed that the efficiency of transmission of main broadcaster's end device A is 40%, then can be from specifying up code stream parameter
It it is 20 frames/second with the appointment frame per second determining main broadcaster's end device A in the mapping relations of efficiency of transmission.Assume the biography of main broadcaster end equipment B
Defeated efficiency is 50%, then can determine the finger of main broadcaster end equipment B from the mapping relations specifying up code stream parameter and efficiency of transmission
Framing rate is 25 frames/second.
As a kind of optional embodiment, direct broadcast server judges that described each main broadcaster's end equipment needs to adjust up code stream ginseng
During number, send corresponding control instruction to described each main broadcaster's end equipment, to control described each main broadcaster's end equipment according to each receiving
Control instruction in the appointment code check that carries, or given resolution, or specify frame per second upload described live video stream to described directly
Broadcast server.Such as, direct broadcast server transmission control instruction, to main broadcaster's end device A, controls live end device A according to 30 frames/second
Upload live video stream.
As a kind of optional embodiment, described direct broadcast server judges that described each main broadcaster's end equipment needs to adjust up code
During stream parameter, sending corresponding control instruction to described each main broadcaster's end equipment, this control instruction is carried appointment code check simultaneously and refers to
Determine resolution.Or this control instruction carries appointment frame per second and given resolution simultaneously.Or this control instruction carries finger simultaneously
Constant bit rate and appointment frame per second.And then control described each main broadcaster's end equipment according to the up code carried in the control instruction each received
Stream parameter uploads described live video stream to described direct broadcast server.Such as, direct broadcast server sends control instruction to main broadcaster's end
Device A, controls live end device A according to 30 frames/second and according to the code check of 800kbps and uploads live video stream.
As a kind of optional embodiment, described direct broadcast server judges that described each main broadcaster's end equipment needs to adjust up code
During stream parameter, send corresponding control instruction to described each main broadcaster's end equipment, to control described each main broadcaster's end equipment according to each
The appointment code check that carries in the control instruction received, it is intended that resolution, it is intended that frame per second upload described live video stream to described directly
Broadcast server.Such as, direct broadcast server send control instruction to main broadcaster's end device A, control live end device A according to 30 frames/second,
Live video stream is uploaded according to the code check of 800kbps, the resolution of 1024*576.
Certainly, the parameter of the up code stream parameter of appointment of each main broadcaster's end equipment can be different.Such as, direct broadcast server sends
Control instruction, to main broadcaster's end device A, controls live end device A according to specifying code check to upload live video stream.Direct broadcast server is sent out
Send control instruction to main broadcaster end equipment B, control live end equipment B and upload live video stream according to given resolution.Direct broadcast service
Device transmission control instruction, to main broadcaster end equipment C, controls live end equipment C according to specifying frame per second to upload live video stream.The most such as,
Direct broadcast server transmission control instruction, to main broadcaster's end device A, controls live end device A and uploads live video stream according to 30 frames/second.
Direct broadcast server transmission control instruction, to main broadcaster end equipment B, controls live end equipment B and uploads live video stream according to 20 frames/second.
When adjusting up code stream parameter, described each master can be controlled according to first carrying appointment code check in control instruction
Broadcast end equipment and upload described live video stream to described live clothes according to the appointment code check carried in the control instruction each received
Business device.Then the live video stream of this main broadcaster's end equipment of real-time reception, and obtain stream parameter judge whether to meet efficiency of transmission, if
Have not been met, then retransmit control instruction, and in control instruction, carry given resolution upload described live video stream to institute
State direct broadcast server, then the live video stream of this main broadcaster's end equipment of real-time reception, and obtain stream parameter and judge whether to meet transmission
Efficiency, if having not been met, send control instruction, and carry in control instruction appointment specify frame per second upload described live video stream
To described direct broadcast server.
In the following embodiments, referring to Fig. 2, disclose a kind of direct broadcast server, including:
Receiver module 21, for receiving the live video stream that each main broadcaster's end equipment is uploaded；
Extraction module 22, for extracting respective stream parameter from the live video stream of described each main broadcaster's end equipment；
For stream parameter based on described each main broadcaster's end equipment, judge module 23, judges whether described each main broadcaster's end equipment needs
Adjust up code stream parameter；
For described direct broadcast server, sending module 24, judges that described each main broadcaster's end equipment needs to adjust up code stream parameter
Time, send corresponding control instruction to described each main broadcaster's end equipment, to control described each main broadcaster's end equipment according to each reception
The appointment up code stream parameter carried in control instruction uploads described live video stream to described direct broadcast server.
As a kind of optional embodiment, described stream parameter includes that delay parameter, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial.
As a kind of optional embodiment, described judge module 23, it is used for:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that whether described each main broadcaster's end equipment needs
Adjust up code stream parameter.
As a kind of optional embodiment, described direct broadcast server, including:
Obtain module, for basis efficiency of transmission based on described each main broadcaster's end equipment from specifying up code stream parameter and biography
The mapping relations of defeated efficiency obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
As a kind of optional embodiment, described appointment up code stream parameter includes: specifies code check, specify frame per second, appointment
One or more of resolution.
As a kind of optional embodiment, described up code stream parameter includes code check, frame per second, the one of resolution or many
Kind.
The technical scheme provided in the embodiment of the present application, at least has the following technical effect that or advantage:
According to a kind of method controlling live video stream that the invention discloses of the present invention, direct broadcast server receives each main broadcaster
Live video stream that end equipment is uploaded also therefrom extracts respective stream parameter；It is then based on respective stream parameter and judges described each master
Broadcast end equipment the need of adjusting up code stream parameter；If described each main broadcaster's end equipment needs to adjust up code stream parameter, give
Described each main broadcaster's end equipment sends corresponding control instruction, refers to according to the control of each reception controlling described each main broadcaster's end equipment
The appointment up code stream parameter carried in order uploads described live video stream to described direct broadcast server.The present invention relates to is live
Server can regulate and control each main broadcaster's end equipment based on stream dynamic state of parameters and be used for uploading the up code stream parameter of live video stream, improves each
The efficiency of transmission of main broadcaster's end equipment, reduce or stop main broadcaster's server transmission live video stream during picture card occurs
Stagnant situation, makes viewer end equipment be able to receive that the net cast stream that picture is smooth, and then raising spectators watches network direct broadcasting
Enthusiasm.
Algorithm and display are not intrinsic to any certain computer, virtual system or miscellaneous equipment relevant provided herein.
Various general-purpose systems can also be used together with based on teaching in this.As described above, construct required by this kind of system
Structure be apparent from.Additionally, the present invention is also not for any certain programmed language.It is understood that, it is possible to use various
Programming language realizes the content of invention described herein, and the description done language-specific above is to disclose this
Bright preferred forms.
In description mentioned herein, illustrate a large amount of detail.It is to be appreciated, however, that the enforcement of the present invention
Example can be put into practice in the case of not having these details.In some instances, it is not shown specifically known method, structure
And technology, in order to do not obscure the understanding of this description.
Similarly, it will be appreciated that one or more in order to simplify that the disclosure helping understands in each inventive aspect, exist
Above in the description of the exemplary embodiment of the present invention, each feature of the present invention is grouped together into single enforcement sometimes
In example, figure or descriptions thereof.But, the method for the disclosure should not be construed to reflect an intention that i.e. required guarantor
The application claims feature more more than the feature being expressly recited in each claim protected.More precisely, as following
Claims reflected as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
The claims following detailed description of the invention are thus expressly incorporated in this detailed description of the invention, the most each claim itself
All as the independent embodiment of the present invention.
Those skilled in the art are appreciated that and can carry out the module in the equipment in embodiment adaptively
Change and they are arranged in one or more equipment different from this embodiment.Can be the module in embodiment or list
Unit or assembly are combined into a module or unit or assembly, and can put them in addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit excludes each other, can use any
Combine all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so disclosed appoint
Where method or all processes of equipment or unit are combined.Unless expressly stated otherwise, this specification (includes adjoint power
Profit requires, summary and accompanying drawing) disclosed in each feature can be carried out generation by providing identical, equivalent or the alternative features of similar purpose
Replace.
Although additionally, it will be appreciated by those of skill in the art that embodiments more in this include institute in other embodiments
Including some feature rather than further feature, but the combination of the feature of different embodiment means to be in the scope of the present invention
Within and form different embodiments.Such as, in the following claims, embodiment required for protection any it
One can mode use in any combination.
The all parts embodiment of the present invention can realize with hardware, or to run on one or more processor
Software module realize, or with combinations thereof realize.It will be understood by those of skill in the art that and can use in practice
Microprocessor or digital signal processor (DSP) realize in gateway according to embodiments of the present invention, proxy server, system
The some or all functions of some or all parts.The present invention is also implemented as performing side as described herein
Part or all equipment of method or device program (such as, computer program and computer program).Such
The program realizing the present invention can store on a computer-readable medium, or can have the shape of one or more signal
Formula.Such signal can be downloaded from internet website and obtain, or provides on carrier signal, or with any other shape
Formula provides.
The present invention will be described rather than limits the invention to it should be noted above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and does not excludes the presence of not
Arrange element in the claims or step.Word "a" or "an" before being positioned at element does not excludes the presence of multiple such
Element.The present invention and can come real by means of including the hardware of some different elements by means of properly programmed computer
Existing.If in the unit claim listing equipment for drying, several in these devices can be by same hardware branch
Specifically embody.Word first, second and third use do not indicate that any order.These word explanations can be run after fame
Claim.
The invention discloses, A1, a kind of method controlling live video stream, it is characterised in that described method includes:
Direct broadcast server receives the live video stream that each main broadcaster's end equipment is uploaded；
Described direct broadcast server extracts respective stream parameter from the live video stream of described each main broadcaster's end equipment；
Described direct broadcast server stream parameter based on described each main broadcaster's end equipment judges whether described each main broadcaster's end equipment needs
Adjust up code stream parameter；
Described direct broadcast server judges when described each main broadcaster's end equipment needs to adjust up code stream parameter, to described each main broadcaster
End equipment sends corresponding control instruction, with control to carry in the described each main broadcaster's end equipment control instruction according to each reception
Up code stream parameter is specified to upload described live video stream to described direct broadcast server.
A2, method as described in A1, it is characterised in that described stream parameter includes delay parameter, a card parameter, frame losing ginseng
Number, in frame rate stable parameter one or multinomial.
A3, method as described in A2, it is characterised in that described direct broadcast server stream based on described each main broadcaster's end equipment is joined
Number judge described each main broadcaster's end equipment the need of adjustment up code stream parameter, including:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that whether described each main broadcaster's end equipment needs
Adjust up code stream parameter.
A4, method as described in A3, it is characterised in that described direct broadcast server judges that described each main broadcaster's end equipment needs to adjust
During whole up code stream parameter, before sending corresponding control instruction to described each main broadcaster's end equipment, including:
Described direct broadcast server according to efficiency of transmission based on described each main broadcaster's end equipment from specify up code stream parameter and
The mapping relations of efficiency of transmission obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
A5, method as described in A1 or A4, it is characterised in that described appointment up code stream parameter includes: specify code check, refer to
Framing rate, given resolution one or more.
A6, method as described in A1, it is characterised in that described up code stream parameter include code check, frame per second, the one of resolution
Plant or multiple.
B7, a kind of direct broadcast server, it is characterised in that including:
Receiver module, for receiving the live video stream that each main broadcaster's end equipment is uploaded；
Extraction module, for extracting respective stream parameter from the live video stream of described each main broadcaster's end equipment；
Judge module, for stream parameter based on described each main broadcaster's end equipment judge described each main broadcaster's end equipment the need of
Adjust up code stream parameter；
For described direct broadcast server, sending module, judges that described each main broadcaster's end equipment needs to adjust up code stream parameter
Time, send corresponding control instruction to described each main broadcaster's end equipment, to control described each main broadcaster's end equipment according to each reception
The appointment up code stream parameter carried in control instruction uploads described live video stream to described direct broadcast server.
B8, direct broadcast server as described in B 7, it is characterised in that described stream parameter include delay parameter, a card parameter,
In frame losing parameter, frame rate stable parameter one or multinomial.
B 9, direct broadcast server as described in B 8, it is characterised in that described judge module, be used for:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame per second are steady
In qualitative parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that whether described each main broadcaster's end equipment needs
Adjust up code stream parameter.
B10, direct broadcast server as described in B9, it is characterised in that described direct broadcast server, including:
Obtain module, for basis efficiency of transmission based on described each main broadcaster's end equipment from specifying up code stream parameter and biography
The mapping relations of defeated efficiency obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
B11, direct broadcast server as described in B7 or B10, it is characterised in that described appointment up code stream parameter includes: refer to
Constant bit rate, specify frame per second, given resolution one or more.
B12, direct broadcast server as described in B7, it is characterised in that described up code stream parameter include code check, frame per second, point
One or more of resolution.
Claims (10)
1. the method controlling live video stream, it is characterised in that described method includes:
Direct broadcast server receives the live video stream that each main broadcaster's end equipment is uploaded；
Described direct broadcast server extracts respective stream parameter from the live video stream of described each main broadcaster's end equipment；
Described direct broadcast server stream parameter based on described each main broadcaster's end equipment judges that described each main broadcaster's end equipment is the need of tune
Whole up code stream parameter；
Described direct broadcast server judges, when described each main broadcaster's end equipment needs to adjust up code stream parameter, to set to described each main broadcaster's end
Preparation send the control instruction of correspondence, to control described each main broadcaster's end equipment according to the appointment carried in the control instruction each received
Up code stream parameter uploads described live video stream to described direct broadcast server.
2. the method for claim 1, it is characterised in that described stream parameter includes delay parameter, card parameter, frame losing ginseng
Number, in frame rate stable parameter one or multinomial.
3. method as claimed in claim 2, it is characterised in that described direct broadcast server stream based on described each main broadcaster's end equipment
Parameter judge described each main broadcaster's end equipment the need of adjust up code stream parameter, including:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame rate stable
In parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that described each main broadcaster's end equipment is the need of tune
Whole up code stream parameter.
4. method as claimed in claim 3, it is characterised in that described direct broadcast server judges described each main broadcaster's end equipment needs
When adjusting up code stream parameter, before sending corresponding control instruction to described each main broadcaster's end equipment, including:
Described direct broadcast server according to efficiency of transmission based on described each main broadcaster's end equipment from specifying up code stream parameter and transmission
The mapping relations of efficiency obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
5. the method as described in claim 1 or 4, it is characterised in that described appointment up code stream parameter includes: appointment code check,
Specify frame per second, given resolution one or more.
6. the method for claim 1, it is characterised in that described up code stream parameter includes code check, frame per second, resolution
One or more.
7. a direct broadcast server, it is characterised in that including:
Receiver module, for receiving the live video stream that each main broadcaster's end equipment is uploaded；
Extraction module, for extracting respective stream parameter from the live video stream of described each main broadcaster's end equipment；
For stream parameter based on described each main broadcaster's end equipment, judge module, judges that described each main broadcaster's end equipment is the need of adjustment
Up code stream parameter；
Sending module, when described direct broadcast server judges that described each main broadcaster's end equipment needs to adjust up code stream parameter, gives
Described each main broadcaster's end equipment sends corresponding control instruction, refers to according to the control of each reception controlling described each main broadcaster's end equipment
The appointment up code stream parameter carried in order uploads described live video stream to described direct broadcast server.
8. direct broadcast server as claimed in claim 7, it is characterised in that described stream parameter include delay parameter, a card parameter,
In frame losing parameter, frame rate stable parameter one or multinomial.
9. direct broadcast server as claimed in claim 8, it is characterised in that described judge module, is used for:
Described direct broadcast server delay parameter based on described each main broadcaster's end equipment, card parameter, frame losing parameter, frame rate stable
In parameter one or multinomial, it is thus achieved that the efficiency of transmission of the live video stream of described each main broadcaster's end equipment；
The efficiency of transmission of live video stream based on described each main broadcaster's end equipment, it is judged that described each main broadcaster's end equipment is the need of tune
Whole up code stream parameter.
10. direct broadcast server as claimed in claim 9, it is characterised in that described direct broadcast server, including:
Obtain module, for basis efficiency of transmission based on described each main broadcaster's end equipment from specifying up code stream parameter and transmission effect
The mapping relations of rate obtain the appointment up code stream parameter of described each main broadcaster's end equipment.
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| CN201610685031.4A CN106303559A (en) | 2016-08-18 | 2016-08-18 | A kind of method controlling live video stream and direct broadcast server |
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