CN107197172A - Net cast methods, devices and systems - Google Patents
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- CN107197172A CN107197172A CN201710478211.XA CN201710478211A CN107197172A CN 107197172 A CN107197172 A CN 107197172A CN 201710478211 A CN201710478211 A CN 201710478211A CN 107197172 A CN107197172 A CN 107197172A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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- 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
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
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- 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
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- 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
- H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
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- 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
- H04N21/234309—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 transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
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- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
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Abstract
The disclosure is directed to a kind of net cast methods, devices and systems, belong to net cast field.Methods described includes：Cloud device receive at least one terminal device transmission multi-path video stream, the multi-path video stream be used for transmit from live collection in worksite to video data；Picture synthesis is carried out to the multi-path video stream and obtains live TV stream；Export the live TV stream.Multi-path video stream simultaneous transmission to high in the clouds can be synthesized and exported as live TV stream, it is not necessary to which main broadcaster or live unit oneself provide instructor in broadcasting's platform equipment by the net cast method that the disclosure is provided by cloud device to this multi-path video stream progress picture.
Description
Technical field
This disclosure relates to net cast technical field, more particularly to a kind of net cast methods, devices and systems.
Background technology
With the development of mobile terminal device, wireless network and direct seeding technique, the mobile phone for relying on above-mentioned three kinds of technologies is straight
Broadcast the sight that platform has also attracted increasing manufacturer.
At present, in order to make user live by mobile phone it can be seen that more more preferable live contents, it will usually straight
Instructor in broadcasting's platform equipment of site layout project specialty is broadcast, instructor in broadcasting's platform equipment receives the scene for multiple angles that collection in worksite equipment is collected
Picture, and the live view of multiple angles is synthesized into picture all the way exported.However, being carried out using instructor in broadcasting's platform equipment straight
Broadcast and there is problems with：
Live cost is high.The price of instructor in broadcasting's platform equipment generally tens of thousands of to more than hundreds of thousands, if by main broadcaster or live list
Position is provided oneself, and live cost certainly will be caused too high.
Mobile live demand can not be met.Instructor in broadcasting's platform equipment is very heavy, and floor space is big, and needs connection various
Wire rod, while to arrange special instructor in broadcasting place, causes the movement inconvenience of instructor in broadcasting's platform equipment, it is impossible to apply and led in mobile live wait
Domain.
Operation is difficult.Often through cable connection, it is necessary to which operating personnel are existing between instructor in broadcasting's platform equipment and collection in worksite equipment
Field operation, the operation to operating personnel brings limitation.
The content of the invention
Traditional in correlation technique it is arranged on that the live cost that live live instructor in broadcasting's platform equipment causes is high, be difficult to overcome
In moving and causing the problem of operating personnel's operation is difficult, the disclosure provides a kind of net cast methods, devices and systems.
According to the first aspect of the embodiment of the present disclosure there is provided a kind of net cast method, methods described includes：Cloud device
Receive at least one terminal device transmission multi-path video stream, the multi-path video stream be used for transmit from live collection in worksite to
Video data；Picture synthesis is carried out to the multi-path video stream and obtains live TV stream；Export the live TV stream.
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
In a kind of implementation of the disclosure, the multichannel that the cloud device receives the transmission of at least one terminal device is regarded
Frequency flows, including：The cloud device receives the multi-path video stream that at least one terminal device uses same account number to send.
In the implementation, foregoing multi-path video stream is the video flowing sent using same account number, so can will be many
Road video flowing is associated.
It is described that live is obtained to multi-path video stream progress picture synthesis in another implementation of the disclosure
Stream, including：Select all videos stream or partial video stream in the multi-path video stream, regarding included by the partial video stream
The quantity of frequency stream is more than 1；Picture synthesis is carried out to the video flowing selected.
In the implementation, when carrying out picture synthesis to video flowing, whole video flowings can be both selected, can also
Only choose some of video flowings.
In another implementation of the disclosure, the described pair of video flowing selected carries out picture synthesis, including：Using picture
The mode of middle picture synthesizes the video flowing selected from the multi-path video stream, or, synthesized by the way of picture splicing from
The video flowing selected in the multi-path video stream.
In the implementation, when carrying out picture synthesis to video flowing, the mode of synthesis can include picture-in-picture and picture
The modes such as face splicing, carry out picture synthesis, to reach optimal synthetic effect, meet the viewing need of spectators in different ways
Ask.
In another implementation of the disclosure, the described pair of video flowing selected carries out picture synthesis, in addition to：It is determined that
Volume during the video flowing Zhong Ge roads video flowing synthesis selected；When carrying out picture synthesis, according to each road video
Volume during stream synthesis controls the volume of each road video flowing for carrying out picture synthesis.
In the implementation, in addition to the synthesis mode for setting picture, also define in synthesis, each road video flowing
Sound size so that the picture of synthesis can have the sound arranged in pairs or groups therewith.
In another implementation of the disclosure, methods described also includes：Obtain live configuration information, it is described live to set
Confidence is ceased for setting screen synthetic schemes, and the picture synthetic schemes is provided to the cloud device, so that the high in the clouds
Equipment carries out picture synthesis according to the picture synthetic schemes；The picture synthesis side is set according to the live configuration information
Case.
In the implementation, the live configuration information inputted by obtaining user carries out the setting of picture synthetic schemes,
So that synthesis of the cloud device to this multi-path video stream meets demand.
According to the second aspect of the embodiment of the present disclosure there is provided a kind of net cast method, methods described includes：Terminal device
At least video flowing all the way for obtaining that live collection in worksite arrives；Video is streamed to cloud device all the way by described at least, so that institute
State cloud device picture synthesis is carried out to the multi-path video stream and obtain live TV stream and export, the multi-path video stream includes institute
State at least video flowing all the way.
The disclosure provide net cast method can by live collection in worksite to video be streamed to high in the clouds, by high in the clouds
Equipment carries out picture synthesis, without hardware instructor in broadcasting's platform, solves the problem that using hardware instructor in broadcasting's platform in the prior art.It is logical
Cloud device is crossed, the problems such as solving to be difficult using the cost height of hardware instructor in broadcasting's platform, mobile inconvenience and operation.
In a kind of implementation of the disclosure, described video is streamed to cloud device all the way by described at least, including：
Using setting account number, video is streamed to cloud device all the way by described at least.
In another implementation of the disclosure, described using setting account number, video is streamed to all the way by described at least
Cloud device, including：The setting account number and corresponding password are sent to cloud device；Account number is set described and right
After the password answered is verified by the cloud device, video is streamed to cloud device all the way by described at least.
In above-mentioned two implementation, field apparatus sends video flowing by same account number to high in the clouds, can so protect
The association between video flowing is demonstrate,proved, is also the same account number of correspondence in follow-up output.
According to the third aspect of the embodiment of the present disclosure there is provided a kind of net cast device, described device includes：Receive single
Member, the multi-path video stream for receiving the transmission of at least one terminal device, the multi-path video stream is used to transmit from live scene
The video data collected；Synthesis unit, live TV stream is obtained for carrying out picture synthesis to the multi-path video stream；Output is single
Member, for exporting the live TV stream.
In a kind of implementation of the disclosure, the receiving unit, for receiving at least one terminal device using same
The multi-path video stream that one account number is sent.
In another implementation of the disclosure, the synthesis unit is complete in the multi-path video stream for selecting
Portion's video flowing or partial video stream, the quantity of the video flowing included by the partial video stream are more than 1；The video selected is flowed into
Row picture is synthesized.
In another implementation of the disclosure, the synthesis unit, for being synthesized by the way of picture-in-picture from institute
The video flowing selected in multi-path video stream is stated, or, synthesized and selected from the multi-path video stream by the way of picture splicing
The video flowing selected out.
In another implementation of the disclosure, the synthesis unit is additionally operable to determine each in the video flowing selected
Volume during the video flowing synthesis of road；When carrying out picture synthesis, volume when being synthesized according to each road video flowing
Control the volume of each road video flowing for carrying out picture synthesis.
In another implementation of the disclosure, described device also includes：Setting unit, believes for obtaining live set
Breath, the live configuration information is used for setting screen synthetic schemes, and the picture synthetic schemes is provided to the cloud device,
So that the cloud device carries out picture synthesis according to the picture synthetic schemes；According to being set the live configuration information
Picture synthetic schemes.
According to the fourth aspect of the embodiment of the present disclosure there is provided a kind of net cast device, described device includes：Obtain single
Member, at least video flowing all the way for obtaining that live collection in worksite arrives；Transmission unit, for video to spread all the way by described at least
It is defeated to arrive cloud device, exported so that the cloud device obtains live TV stream to multi-path video stream progress picture synthesis,
The multi-path video stream includes at least video flowing all the way.
In a kind of implementation of the disclosure, the transmission unit is set described in account number general at least all the way for use
Video is streamed to cloud device.
In another implementation of the disclosure, the transmission unit, for setting account number and corresponding by described
Password is sent to cloud device；, will be described after the setting account number and corresponding password are verified by the cloud device
At least video is streamed to cloud device all the way.
According to the 5th of the embodiment of the present disclosure the aspect there is provided a kind of net cast device, the net cast device includes
Be stored with least one instruction in processor and memory, the memory, and the instruction is loaded and performed by the processor
To realize the net cast method as described in any implementation of first aspect.
According to the 6th of the embodiment of the present disclosure the aspect there is provided a kind of net cast device, the net cast device includes
Be stored with least one instruction in processor and memory, the memory, and the instruction is loaded and performed by the processor
To realize the net cast method as described in any implementation of second aspect.
According to the 7th of the embodiment of the present disclosure the aspect there is provided a kind of computer-readable recording medium, in the storage medium
Be stored with least one instruction, and the instruction is loaded as processor and performed to realize as described in any implementation of first aspect
Net cast method.
According to the eighth aspect of the embodiment of the present disclosure there is provided a kind of computer-readable recording medium, in the storage medium
Be stored with least one instruction, and the instruction is loaded as processor and performed to realize as described in any implementation of second aspect
Net cast method.
According to the 9th of the embodiment of the present disclosure the aspect there is provided a kind of video living transmission system, the system includes：Terminal device
And cloud device, the cloud device includes net cast device as described in any implementation of the third aspect, the terminal
Equipment includes the net cast device as described in any implementation of fourth aspect.
The technical scheme provided by this disclosed embodiment can include the following benefits：
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Figure 1A is the application scenarios schematic diagram according to an exemplary embodiment；
Figure 1B is the application scenarios schematic diagram according to an exemplary embodiment；
Fig. 2A is a kind of flow chart of net cast method according to an exemplary embodiment；
Fig. 2 B are the flow charts of another net cast method according to an exemplary embodiment；
Fig. 2 C are the flow charts of another net cast method according to an exemplary embodiment；
Fig. 2 D are a kind of schematic diagrames at instructor in broadcasting's platform interface that the disclosure is provided；
Fig. 3 is a kind of block diagram of net cast device according to an exemplary embodiment；
Fig. 4 is a kind of block diagram of net cast device according to an exemplary embodiment；
Fig. 5 is a kind of block diagram of cloud device according to an exemplary embodiment；
Fig. 6 is a kind of block diagram of terminal device according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
In order to make it easy to understand, first being illustrated below to the application scenarios of the embodiment of the present disclosure.The embodiment of the present disclosure is provided
The following two kinds application scenarios：
Figure 1A is a kind of schematic diagram of application scenarios according to an exemplary embodiment, as shown in Figure 1A, the application
Scene includes terminal device 100, cloud device 200 and user equipment 300, wherein, terminal device 100 is live existing including being arranged in
The collection in worksite equipment 101 and on-site terminal equipment 102 of field, cloud device 200 includes high in the clouds instructor in broadcasting's platform 201 and high in the clouds transcoding is set
Standby 202.Collection in worksite equipment 101 completes the collection of multi-path video stream, then by on-site terminal equipment 102 by this multi-path video stream
It is transferred to cloud device 200.High in the clouds instructor in broadcasting's platform 201 in cloud device 200 carries out picture synthesis to multi-path video stream and obtains straight
Stream is broadcast, is exported to user equipment 300.The detailed implementation of each specific step is referring to embodiment of the method hereinafter.
Wherein, video flowing is used for transmitting video data, and live TV stream is the video flowing as live output.
Wherein, the collection in worksite equipment 101 in terminal device 100 can have many, and many collection in worksite equipment 101 are realized
The shooting of multiple angles, so as to obtain the video pictures of multiple angles, forms multi-path video stream.
Collection in worksite equipment 101 can both only include picture pick-up device, and the picture pick-up device has video record and live radio reception
Function, such as video camera.Collection in worksite equipment can also include picture pick-up device and sound pick-up outfit simultaneously, and picture pick-up device is used for video
Record, sound pick-up outfit is used for live radio reception, such as picture pick-up device can be video camera, sound pick-up outfit can be radio reception device, then example
If picture pick-up device can be camera, sound pick-up outfit can be microphone.
Wherein, scene refers to live scene, includes but is not limited to the personal live scene of main broadcaster, and activity, match, literature and art
Program scene etc..The type of collection in worksite equipment is also related to live live type, and large-scale live scene is generally using shooting
Head and radio reception device, personal live scene generally use camera and microphone.
Terminal device 100 namely main broadcaster's end equipment, on-site terminal equipment 102 can be terminal device, such as PC,
Mobile terminal etc..High in the clouds instructor in broadcasting's platform 201 and high in the clouds transcoding device 202 can with it is integrated on the same device.User equipment 300 namely
Spectators' end equipment, can be specifically the terminal devices such as PC, mobile terminal.Certainly under special circumstances, main broadcaster is in order to examine
Test live normal, the live of oneself may be watched using terminal device 100, now terminal device is also user equipment.
What deserves to be explained is, it there is likely to be other equipment, example in the middle of transcoding device 202 and user equipment 300 beyond the clouds
Such as live Platform Server, if cloud device 200 here belongs to live platform, then here can be directly by high in the clouds transcoding
Equipment 202 is transferred to user equipment 300, if outside cloud device 200 here is live platform and user equipment
Third party, then the video flowing exported by high in the clouds transcoding device 202 needs first to be transferred to live Platform Server, by live platform
Server export to user equipment.
Figure 1B is the schematic diagram of another application scenarios according to an exemplary embodiment, as shown in Figure 1B, should be answered
The difference included with scene with the application scenarios shown in Figure 1A is that the application scenarios include at least two terminal devices 100, many
Individual terminal device 100 is distributed in different places.Each terminal device 100 completes at least collection and upload of video flowing all the way,
Cloud device 200 receives the video flowing that this at least two terminal device 100 is uploaded, so as to obtain multi-path video stream.Cloud device
200 pairs of multi-path video streams carry out picture synthesis and obtain live TV stream, export to user equipment 300.
Fig. 2A is a kind of net cast method according to an exemplary embodiment, and as shown in Figure 2 A, this method includes
Following steps.
In step s 11, cloud device receives the multi-path video stream of at least one terminal device transmission, and multi-path video stream is used
In transmission from live collection in worksite to video data.
In this step, cloud device both can be to receive the multi-path video stream that a terminal device is sent；Can also be
Receive the multi-path video stream that two or more terminal devices are sent, in this case, each terminal device send all the way, two-way
Or multi-path video stream, so as to obtain multi-path video stream.
In step s 12, picture synthesis is carried out to multi-path video stream and obtains live TV stream.
In this step, the corresponding multi-picture of multi-path video stream is synthesized a width picture by cloud device, and then is obtained
Video flowing, namely the live TV stream all the way.
In step s 13, live TV stream is exported.
Also live TV stream is exported to user equipment.
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
Fig. 2 B are a kind of net cast methods according to an exemplary embodiment, and as shown in Figure 2 B, this method includes
Following steps.
In the step s 21, at least video flowing all the way that terminal device obtains that live collection in worksite arrives.
In step S22, will at least video is streamed to cloud device all the way so that cloud device is flowed into multi-channel video
The synthesis of row picture obtains live TV stream and exported, and multi-path video stream includes at least video flowing all the way.
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
Fig. 2 C are a kind of net cast methods according to an exemplary embodiment, and as shown in Figure 2 C, this method includes
Following steps.
In step S31, terminal device obtains at least video flowing all the way that collection in worksite is arrived.
Wherein, terminal device is to be arranged on live live equipment, generally includes collection in worksite equipment and on-site terminal is set
It is standby.
In the disclosed embodiments, terminal device obtains the video flowing that collection in worksite is arrived, including：
The picture and audio of collection in worksite equipment collection site, form at least video flowing all the way；On-site terminal equipment is received
At least video flowing all the way of collection in worksite equipment transmission.Here the video flowing of collection in worksite equipment collection is at least all the way, when adopting
When the video flowing of collection is more than all the way, these video flowings are that collection in worksite equipment shoots what live scene was obtained from different perspectives.
In this process, on-site terminal equipment such as also needs to encode video flowing, compresses, encrypts at the operation.
In step s 32, terminal device by get at least video is streamed to cloud device all the way.
When realizing, step S32 can include：Using setting, account number will at least video be streamed to cloud device all the way.
The action in above-mentioned transmitting video-frequency flow to high in the clouds is performed by on-site terminal equipment, and on-site terminal equipment is set with collection in worksite
It is standby to be joined directly together, so as to realize that the video for collecting collection in worksite equipment is streamed to cloud device.For example, on-site terminal is set
Standby can be computer, and the computer is connected with foregoing camera and microphone, realizes the transmission of video flowing.
Further, using setting account number will at least video be streamed to cloud device and referred to all the way：On-site terminal equipment
Cloud device is logged in using above-mentioned account number, after cloud device is logged in, video is streamed to cloud device；Implement process
It can include：Setting account number and corresponding password are sent to cloud device；Pass through in setting account number and corresponding password
, will at least video be streamed to cloud device all the way after cloud device checking.In the process, cloud device needs to set terminal
The account number and corresponding password that preparation is sent are authenticated, further, because high in the clouds instructor in broadcasting's platform and high in the clouds transcoding device can
Can not have authentication function, so the cloud device can also include a server, for being authenticated, in video streaming
Before, the certification of terminal device is first carried out by the server.
Here account number is corresponding to used account number during user equipment output live TV stream with cloud device, e.g. identical
Account number.Cloud device to user equipment export live TV stream when used account number namely main broadcaster's account number.
In the disclosed embodiments, terminal device can obtain account number that user inputted by webpage or client and close
Code, is then sent to cloud device by account number and password.
In step S33, cloud device receives the multi-path video stream of at least one terminal device transmission, and multi-path video stream is used
In transmission from live collection in worksite to video data.
Multi-path video stream be same live collection in worksite to multi-path video stream or different live collection in worksite arrive it is many
Road video flowing.
In this step, cloud device both can be to receive the multi-path video stream that a terminal device is sent；Can also be
Receive the multi-path video stream that two or more terminal devices are sent, in this case, each terminal device send all the way, two-way
Or multi-path video stream, so as to obtain multi-path video stream.
Wherein, cloud device receives the multi-path video stream of at least one terminal device transmission, including：
Cloud device receives the multi-channel video that at least one terminal device uses same account number (foregoing setting account number) to send
Stream.
In this process, cloud device such as also needs to video flowing is decrypted, decompresses, decodes at the operation.
In step S34, cloud device carries out picture synthesis to multi-path video stream and obtains live TV stream.
In the disclosed embodiments, because cloud device can receive multi-path video stream simultaneously, so in order to allow spectators
At least two-path video stream in this multi-path video stream can be seen simultaneously, and cloud device needs to synthesize video flowing.Wherein,
The action synthesized to video flowing is performed by high in the clouds instructor in broadcasting's platform.
In the disclosed embodiments, multi-path video stream is carried out picture synthesis obtain the specific implementation of live TV stream can be with
It is as follows：
Select all videos stream or partial video stream in multi-path video stream, the number of the video flowing included by partial video stream
Amount is more than 1；Picture synthesis is carried out to the video flowing selected.
Wherein, all videos stream or partial video stream in selection multi-path video stream can include：First determine to be chosen
The quantity of video flowing, and video flowing selection rule；Then from the quantity according to the video flowing to be chosen, and video flowing
Selection rule, the selecting video stream from multi-path video stream.For example, in one implementation, the number of video flowing to be chosen
Measure as a fixed value, such as 2 or 3.In another implementation, the quantity of video flowing to be chosen can also be a relative number
The quantity of amount, all videos stream for example received, or the video flowing received subtracts 1 etc..When the video flowing received
When quantity exceedes the numerical value, video flowing is selected from the video flowing received according to the selection rule of video flowing, quantity is solid for this
Definite value；And when the quantity of the video flowing received is not less than the numerical value, then only need to all video flowings received directly
It is used as the video flowing for synthesis.
The selection rule of above-mentioned video flowing can also for example be arranged including a variety of according to the numbering and predetermined number of video flowing
Table is chosen successively so that can successively be chosen according to significance level during selecting video stream.For another example being regarded according to reception
The code check of each video flowing when frequency flows, according to the order of code check from big to small successively selecting video stream so that the matter of live picture
Amount is high.For another example the video flowing of fixed qty is selected from video flowing is received using random manner.
Wherein, the numbering of video flowing can be set by terminal device, and now terminal device is taken in transmitting video-frequency flow
With the numbering.For the multi-path video stream of same live on-site transfer, the numbering of video flowing can be with each road video flowing
Shooting visual angle correspondence, such as according to numbering from 1 to 5, the shooting visual angle of each road video flowing is followed successively by the front of stage, left front
Side, right front, rear and top.For the multi-path video stream of different live on-site transfers, the numbering of video flowing can be with
Each live scene correspondence, when there are multiple live scenes, and when there is multiple video flowings in a scene, can also be using scene
The combination with visual angle numbering is numbered as the numbering of video flowing, such as above the front of scene 1, live 2.
Wherein, the numbering of video flowing can also be set by cloud device, can now be synthesized in prior setting screen
During scheme, the picture of display of video streams and corresponding numbering are easy to user to be configured, referred to hereinafter.
In the disclosed embodiments, picture synthesis is carried out to the video flowing selected, including：
The video flowing selected from multi-path video stream is synthesized by the way of picture-in-picture, or, using picture splicing
Mode synthesizes the video flowing selected from multi-path video stream.
Further, when carrying out picture synthesis using above two picture synthesis mode, it is thus necessary to determine that for synthesis
Position, size in the picture of the picture of each video flowing in post synthesis etc..For example, when being synthesized by the way of picture splicing,
This multi-path video stream can be evenly distributed in picture in post synthesis and be paved with whole picture, such as, be used in two-path video stream
The mode of picture splicing is synthesized in picture, and the picture of two-path video stream can respectively account for the half of total picture, and both are distributed up and down
Or left and right distribution, the road video flowings of Er tetra- are synthesized in picture by the way of picture splicing, and the pictures of four road video flowings can be with
The a quarter of total picture is respectively accounted for, and in matrix pattern distribution；When being synthesized by the way of picture-in-picture, wherein video flowing all the way
Picture is paved with whole picture, and the picture of other video flowings is arranged in the edge or corner of the picture after the synthesis.
Here in addition to the picture how picture of multiple video flowings is divided after whole synthesis, in addition to each video flowing
Picture corresponding to position, such as four road video flowings are synthesized in picture by the way of picture splicing, the four road videos selected
How the picture of stream and matrix pattern corresponds to.
The corresponding relation can be set as follows：Each position of picture after synthesis is provided with numbering, each
The numbering of position can be corresponding with the numbering of video flowing；Or, the numbering of position and corresponding, such as position of code check height of video flowing
It is 1-5 to put numbering, corresponds to code check from high to low respectively；Or, the picture for the video flowing selected is arranged using random manner
In each position.
Further, picture synthesis is carried out to the video flowing selected, in addition to：It is determined that the video flowing Zhong Ge roads selected are regarded
Volume during frequency stream synthesis；When carrying out picture synthesis, volume when being synthesized according to each road video flowing controls to be used for
Carry out the volume of each road video flowing of picture synthesis.
In the disclosed embodiments, picture synthetic schemes (selection rule, the picture synthesis mode of video flowing) can be carried out
Set in advance.Its process can be in the following way：Live configuration information is obtained, live configuration information is synthesized for setting screen
Scheme, picture synthetic schemes is provided to cloud device, so that cloud device carries out picture synthesis according to picture synthetic schemes；Root
According to live configuration information setting screen synthetic schemes.
Here it can be in the following way to obtain live configuration information：Cloud device provides instructor in broadcasting's platform interface, and obtains
Take the live configuration information that family is inputted by instructor in broadcasting's platform interface.Here instructor in broadcasting's platform interface, both can be instructor in broadcasting's platform webpage
Interface or instructor in broadcasting's platform software interface.
Fig. 2 D are a kind of schematic diagrames at instructor in broadcasting's platform interface that the disclosure is provided, and referring to Fig. 2 D, instructor in broadcasting's platform interface can be carried
For the selection rule interface 1A of a video flowing, the selection rule interface 1A of video flowing includes select button 1a, and corresponding ginseng
Number choice box 1b.For example, the button of video flowing selection scheme can include three, foregoing three kinds of schemes, Yong Hudian are corresponded to respectively
Corresponding parameter choice box can be shown in 1b by hitting different button 1a, so that user inputs.In the numbering according to video flowing successively
When carrying out selecting video stream, user can set predetermined number list in parameter choice box.When randomly choosing video flowing, use
Family can set the scope of random video stream in parameter choice box, such as being carried out at random in the video flowing in numbering 1-4.
Set for convenience, this multi-path video stream can also be played simultaneously on instructor in broadcasting's platform interface, namely pass through instructor in broadcasting
Platform interface output multi-channel video flowing simultaneously, such user can compare the picture of video flowing in the numbering of input video stream, join
See Fig. 2 D, instructor in broadcasting's platform interface includes video frequency output interface 3A, interface 3A including multi-path video stream display box (and correspondence is compiled
Number), corresponding video flowing can see by interface 3A, be easy to user to select.Removed in addition, this set sets call number
It can be the corresponding numbering of input, can also be the broadcasting pictures for clicking on corresponding video flowing, consequently facilitating selecting.
Instructor in broadcasting's platform interface can provide a picture synthesis mode interface 2A, and interface 2A includes select button 2a and right
Parameter the choice box 2b, select button 2a and parameter choice box 2b of the trigger event that should be set design be referred to selection by
Button 1a and parameter choice box 1b.For example, the button of the trigger event of selection setting can include two, foregoing draw is corresponded to respectively
The mode of middle picture and the mode of picture splicing.
A picture example can be included in parameter choice box 2b, user can be real by dragging the picture of each video flowing
Now to the division of the picture after synthesis.Parameter choice box 2b also includes sound setting options, the sound for setting each road video flowing
Sound size.
Further, when instructor in broadcasting's platform interface is a webpage, the webpage can be arranged on after foregoing logon web page, i.e.,
User logs in successfully enters the setting webpage afterwards, it is ensured that security performance, while user can be allowed to be configured anywhere or anytime.
In addition, in the disclosed embodiments, cloud device can also in real time be monitored to this multi-path video stream, and regarding
Outputting alarm information during frequency stream failure.
For example, cloud device can detect the code check of each road video flowing, when the code check is less than setting value, it is believed that the road is regarded
Frequency stream failure, corresponding user is sent to by warning information, such as sending Email, short message etc. to user is alerted.
In step s 35, cloud device output live TV stream.
Cloud device carries out transcoding to the video flowing after synthesis, and the video flowing after transcoding is exported to user equipment.
Wherein, the transcoding of video flowing can be converted to website or mobile phone from camera video form (such as AVI format)
The video format of application plays (such as H.263/H.264/Flash/).The action of transcoding is carried out to video flowing by high in the clouds transcoding
Equipment is performed.
Further, high in the clouds transcoding device can use F.F. dynamic image expert group (Fast Forward Moving
Picture Experts Group, ffmpeg) audio frequency and video transcoding is carried out to video flowing for framework realization and processing is serviced, Ran Houjin
Row output.
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
Fig. 3 is a kind of block diagram of net cast device according to an exemplary embodiment, reference picture 3, the device bag
Include：Receiving unit 310, synthesis unit 320 and output unit 330.
Wherein, receiving unit 310, the multi-path video stream for receiving the transmission of at least one terminal device, multi-path video stream
For transmit from live collection in worksite to video data；Synthesis unit 320, is synthesized for carrying out picture to multi-path video stream
To live TV stream；Output unit 330 is used to export live TV stream.
The mode that receiving unit 310 receives the multi-path video stream that at least one terminal device is sent may refer to step S33；
The mode that synthesis unit 320 carries out picture synthesis to multi-path video stream may refer to step S34；Output unit 330 exports live
The mode of stream may refer to step S35, omits be described in detail herein.
Alternatively, the device can also include：Setting unit 340, for obtaining live configuration information, live configuration information
For setting screen synthetic schemes, picture synthetic schemes is provided to cloud device, so that cloud device is according to picture synthesis side
Case carries out picture synthesis；According to live configuration information setting screen synthetic schemes.The setting screen synthetic schemes of setting unit 340
Mode may refer to step S34.
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
Fig. 4 is a kind of block diagram of net cast device according to an exemplary embodiment, reference picture 4, the device bag
Include：Acquiring unit 410 and transmission unit 420.
Wherein, acquiring unit 410, at least video flowing all the way for obtaining that live collection in worksite arrives；Transmission unit 420,
For will at least video is streamed to cloud device all the way so that cloud device carries out picture synthesis to multi-path video stream and obtains straight
Broadcast stream to be exported, multi-path video stream includes at least video flowing all the way.
Acquiring unit 410 obtain live collection in worksite at least the mode of video flowing may refer to step S31 all the way；Pass
Defeated unit 420 is omitted at least video is streamed to the mode of cloud device and may refer to step S32 all the way retouch in detail herein
State.
The multi-path video stream that the net cast method that the disclosure is provided can be sent by cloud device receiving terminal apparatus is same
When be transferred to high in the clouds, this multi-path video stream progress picture is synthesized and exported as live TV stream by cloud device, is realized many
The synthesis of picture is broadcasted；In addition, it is above-mentioned it is live during, continuous presence broadcast realization completed by cloud device, be not required to
Want main broadcaster or live unit oneself to provide instructor in broadcasting's platform equipment, not only reduce live cost, and multi-channel video is spread
It is defeated to arrive high in the clouds, broadcast is synthesized by cloud device, even if so live scene movement, remains able to realize that multi-path video stream synthesis is straight
Stream is broadcast, therefore, it is possible to meet mobile live demand, cloud device solves instructor in broadcasting's platform equipment operation without execute-in-place in addition
The problem of being difficult.
Fig. 5 is a kind of block diagram of cloud device 1900 according to an exemplary embodiment.For example, cloud device 1900
It may be provided in the equipment for being integrated with instructor in broadcasting and transcoding function.Reference picture 5, cloud device 1900 includes processing assembly
1922, it further comprises one or more processors, and as the memory resource representated by memory 1932, for storing
Can by the execution of processing assembly 1922 instruction, such as application program.The application program stored in memory 1932 can include
It is one or more each correspond to the module of one group of instruction.In addition, processing assembly 1922 is configured as execute instruction,
To perform net cast method, method includes：
The multi-path video stream of at least one terminal device transmission is received, multi-path video stream is used to transmit from live collection in worksite
The video data arrived；
Picture synthesis is carried out to multi-path video stream and obtains live TV stream；
Export live TV stream.
In a kind of implementation of the disclosure, the multi-path video stream of at least one terminal device transmission is received, including：
Receive the multi-path video stream that at least one terminal device uses same account number to send.
In another implementation of the disclosure, picture synthesis is carried out to multi-path video stream and obtains live TV stream, including：
Select all videos stream or partial video stream in multi-path video stream, the number of the video flowing included by partial video stream
Amount is more than 1；
Picture synthesis is carried out to the video flowing selected.
In another implementation of the disclosure, picture synthesis is carried out to the video flowing selected, including：
The video flowing selected from multi-path video stream is synthesized by the way of picture-in-picture, or, using picture splicing
Mode synthesizes the video flowing selected from multi-path video stream.
In another implementation of the disclosure, picture synthesis is carried out to the video flowing selected, in addition to：
It is determined that the volume when video flowing Zhong Ge roads video flowing selected is synthesized；
When carrying out picture synthesis, volume when being synthesized according to each road video flowing is controlled for carrying out picture synthesis
The volume of each road video flowing.
In another implementation of the disclosure, this method also includes：
Live configuration information is obtained, live configuration information is used for setting screen synthetic schemes, and picture synthetic schemes is provided
To cloud device, so that cloud device carries out picture synthesis according to picture synthetic schemes；
According to live configuration information setting screen synthetic schemes.
Fig. 6 is a kind of block diagram of terminal device 600 according to an exemplary embodiment.For example, terminal device 600 can
To be computer, mobile terminal etc..
Reference picture 6, terminal device 600 can include following one or more assemblies：Processing assembly 602, memory 604,
Electric power assembly 606, multimedia groupware 608, audio-frequency assembly 610, the interface 612 of input/output (I/O), sensor cluster 614,
And communication component 616.
The integrated operation of the usual control terminal equipment 600 of processing assembly 602, such as with display, call, data are led to
Letter, the camera operation operation associated with record operation.Processing assembly 602 can include one or more processors 620 to hold
Row instruction, to complete all or part of step of above-mentioned method.In addition, processing assembly 602 can include one or more moulds
Block, is easy to the interaction between processing assembly 602 and other assemblies.For example, processing assembly 602 can include multi-media module, with
Facilitate the interaction between multimedia groupware 608 and processing assembly 602.
Memory 604 is configured as storing various types of data supporting the operation in terminal device 600.These data
Example include the instruction of any application program or method for being used to operate on terminal device 600, contact data, telephone directory
Data, message, picture, video etc..Memory 604 can by any kind of volatibility or non-volatile memory device or it
Combination realize that such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable
Except programmable read only memory (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, soon
Flash memory, disk or CD.
Electric power assembly 606 provides electric power for the various assemblies of terminal device 600.Electric power assembly 606 can include power supply pipe
Reason system, one or more power supplys, and other components associated with generating, managing and distributing electric power for terminal device 600.
Multimedia groupware 608 is included in the screen of one output interface of offer between the terminal device 600 and user.
In certain embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch surface
Plate, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch
Sensor is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or slip
The border of action, but also the detection duration related to the touch or slide and pressure.In certain embodiments,
Multimedia groupware 608 includes a front camera and/or rear camera.When terminal device 600 is in operator scheme, such as clap
When taking the photograph pattern or video mode, front camera and/or rear camera can receive the multi-medium data of outside.It is each preposition
Camera and rear camera can be a fixed optical lens systems or with focusing and optical zoom capabilities.
Audio-frequency assembly 610 is configured as output and/or input audio signal.For example, audio-frequency assembly 610 includes a Mike
Wind (MIC), when terminal device 600 is in operator scheme, when such as call model, logging mode and speech recognition mode, microphone
It is configured as receiving external audio signal.The audio signal received can be further stored in memory 604 or via logical
Letter component 616 is sent.In certain embodiments, audio-frequency assembly 610 also includes a loudspeaker, for exports audio signal.
I/O interfaces 612 is provide interface between processing assembly 602 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 614 includes one or more sensors, the state for providing various aspects for terminal device 600
Assess.For example, sensor cluster 614 can detect opening/closed mode of equipment 600, the relative positioning of component, such as institute
Display and keypad that component is terminal device 600 are stated, sensor cluster 614 can also detect terminal device 600 or terminal
The position of 600 1 components of equipment changes, the existence or non-existence that user contacts with terminal device 600, the orientation of terminal device 600
Or acceleration/deceleration and the temperature change of terminal device 600.Sensor cluster 614 can include proximity transducer, be configured to
The presence of object near being detected in not any physical contact.Sensor cluster 614 can also include optical sensor, such as
CMOS or ccd image sensor, for being used in imaging applications.In certain embodiments, the sensor cluster 614 can be with
Including acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 616 is configured to facilitate the communication of wired or wireless way between terminal device 600 and other equipment.
Terminal device 600 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.Show at one
In example property embodiment, communication component 616 receives broadcast singal or broadcast from external broadcasting management system via broadcast channel
Relevant information.In one exemplary embodiment, the communication component 616 also includes near-field communication (NFC) module, short to promote
Cheng Tongxin.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, terminal device 600 can be by one or more application specific integrated circuits (ASIC), number
Word signal processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 604 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 620 of terminal device 600.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, it is random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of mobile terminal
When device is performed so that mobile terminal is able to carry out a kind of net cast method, and methods described includes：
At least video flowing all the way for obtaining that live collection in worksite arrives；
Will at least video is streamed to cloud device all the way so that cloud device to multi-path video stream carry out picture synthesize
Exported to live TV stream, multi-path video stream includes at least video flowing all the way.
In a kind of implementation of the disclosure, will at least video is streamed to cloud device all the way, including：
Using setting, account number will at least video be streamed to cloud device all the way.
In another implementation of the disclosure, using setting account number will at least video be streamed to high in the clouds and set all the way
It is standby, including：
Setting account number and corresponding password are sent to cloud device；
, will at least video be streamed to high in the clouds all the way in setting account number and after corresponding password verified by cloud device
Equipment.
The embodiment of the present disclosure also provides a kind of video living transmission system, and the system includes：Terminal device and cloud device, high in the clouds
Equipment includes net cast device as shown in Figure 3, and terminal device includes net cast device as shown in Figure 4.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (21)
1. a kind of net cast method, it is characterised in that methods described includes：
Cloud device receives the multi-path video stream of at least one terminal device transmission, and the multi-path video stream is used to transmit from live
The video data that collection in worksite is arrived；
Picture synthesis is carried out to the multi-path video stream and obtains live TV stream；
Export the live TV stream.
2. according to the method described in claim 1, it is characterised in that the cloud device receives the transmission of at least one terminal device
Multi-path video stream, including：
The cloud device receives the multi-path video stream that at least one terminal device uses same account number to send.
3. method according to claim 1 or 2, it is characterised in that described that picture synthesis is carried out to the multi-path video stream
Live TV stream is obtained, including：
Select all videos stream or partial video stream in the multi-path video stream, the video flowing included by the partial video stream
Quantity be more than 1；
Picture synthesis is carried out to the video flowing selected.
4. method according to claim 3, it is characterised in that the described pair of video flowing selected carries out picture synthesis, including：
The video flowing selected from the multi-path video stream is synthesized by the way of picture-in-picture, or, using picture splicing
Mode synthesizes the video flowing selected from the multi-path video stream.
5. method according to claim 4, it is characterised in that the described pair of video flowing selected carries out picture synthesis, also wraps
Include：
It is determined that the volume when video flowing Zhong Ge roads video flowing selected is synthesized；
When carrying out picture synthesis, volume when being synthesized according to each road video flowing is controlled for carrying out picture synthesis
The volume of each road video flowing.
6. method according to claim 1 or 2, it is characterised in that methods described also includes：
Live configuration information is obtained, the live configuration information is used for setting screen synthetic schemes, the picture synthetic schemes quilt
The cloud device is supplied to, so that the cloud device carries out picture synthesis according to the picture synthetic schemes；
The picture synthetic schemes is set according to the live configuration information.
7. a kind of net cast method, it is characterised in that methods described includes：
At least video flowing all the way that terminal device obtains that live collection in worksite arrives；
Video is streamed to cloud device all the way by described at least, so that the cloud device carries out picture to the multi-path video stream
Face synthesis obtains live TV stream and exported, the multi-path video stream include described at least video flowing all the way.
8. method according to claim 7, it is characterised in that described video is streamed to high in the clouds and set all the way by described at least
It is standby, including：
Using setting account number, video is streamed to cloud device all the way by described at least.
9. a kind of net cast device, it is characterised in that described device includes：
Receiving unit, the multi-path video stream for receiving the transmission of at least one terminal device, the multi-path video stream is used to transmit
From live collection in worksite to video data；
Synthesis unit, live TV stream is obtained for carrying out picture synthesis to the multi-path video stream；
Output unit, for exporting the live TV stream.
10. device according to claim 9, it is characterised in that the receiving unit, sets for receiving at least one terminal
The standby multi-path video stream sent using same account number.
11. the device according to claim 9 or 10, it is characterised in that the synthesis unit, for selecting the multichannel to regard
All videos stream or partial video stream in frequency stream, the quantity of the video flowing included by the partial video stream are more than 1；To selecting
Video flowing carry out picture synthesis.
12. device according to claim 11, it is characterised in that the synthesis unit, for by the way of picture-in-picture
The video flowing selected from the multi-path video stream is synthesized, or, synthesized and regarded from the multichannel by the way of picture splicing
The video flowing that frequency is selected in flowing.
13. device according to claim 12, it is characterised in that the synthesis unit, is additionally operable to determine that selects regards
Volume during the video flowing synthesis of Pin Liuzhongge roads；When carrying out picture synthesis, when being synthesized according to each road video flowing
Volume controls the volume of each road video flowing for carrying out picture synthesis.
14. the device according to claim 9 or 10, it is characterised in that described device also includes：
Setting unit, for obtaining live configuration information, the live configuration information is used for setting screen synthetic schemes, the picture
Face synthetic schemes is provided to the cloud device, so that the cloud device carries out picture conjunction according to the picture synthetic schemes
Into；The picture synthetic schemes is set according to the live configuration information.
15. a kind of net cast device, it is characterised in that described device includes：
Acquiring unit, at least video flowing all the way for obtaining that live collection in worksite arrives；
Transmission unit, for video to be streamed to cloud device all the way by described at least, so that the cloud device is to described more
Road video flowing carries out picture synthesis and obtains live TV stream being exported, the multi-path video stream include described at least video flowing all the way.
16. device according to claim 15, it is characterised in that the transmission unit, for using setting account number by institute
State at least that video is streamed to cloud device all the way.
17. a kind of net cast device, it is characterised in that the net cast device includes processor and memory, described to deposit
Be stored with least one instruction in reservoir, and the instruction is loaded by the processor and performed to realize that claim 1-6 such as appoints
Net cast method described in one.
18. a kind of net cast device, it is characterised in that the net cast device includes processor and memory, described to deposit
Be stored with least one instruction in reservoir, and the instruction is loaded by the processor and performed to realize such as the institute of claim 7 or 8
The net cast method stated.
19. a kind of computer-readable recording medium, it is characterised in that be stored with least one instruction in the storage medium, institute
Instruction is stated to be loaded as processor and performed to realize the net cast method as described in claim any one of 1-6.
20. a kind of computer-readable recording medium, it is characterised in that be stored with least one instruction in the storage medium, institute
Instruction is stated to be loaded by processor and performed to realize net cast method as claimed in claim 7 or 8.
21. a kind of video living transmission system, it is characterised in that the system includes：Terminal device and cloud device, the high in the clouds are set
Standby to include the net cast device as described in claim any one of 9-14, the terminal device includes such as claim 15 or 16
Described net cast device.
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