CN106937129A - A kind of live real-time clipping method of Online Video and device - Google Patents
A kind of live real-time clipping method of Online Video and device Download PDFInfo
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- CN106937129A CN106937129A CN201511033460.5A CN201511033460A CN106937129A CN 106937129 A CN106937129 A CN 106937129A CN 201511033460 A CN201511033460 A CN 201511033460A CN 106937129 A CN106937129 A CN 106937129A
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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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- 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
- H04N21/233—Processing of audio elementary streams
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of live real-time clipping method of Online Video, need to be carried out video is locally downloading by playback function after net cast terminates for solving the live video clipping of existing Online Video, the weak problem of real-time.Present invention method includes：Front end obtains start time point of the current point in time chosen during net cast of user as editing；Front end obtains end time point of the current point in time chosen during net cast and after start time point of user as editing；The front end sends start time point, end time point and corresponding video ID to background server, so that background server carries out video segment extraction according to the start time point, end time point and corresponding video ID, video clip files are obtained；The video address of the video clip files that background server described in the front end receiver is returned.The embodiment of the present invention also provides a kind of Online Video live real-time editing device.
Description
Technical field
The present invention relates to live video field, more particularly to a kind of live real-time clipping method of Online Video and
Device.
Background technology
Current webcast website, after every live end of Online Video, universal only playback function.Work as main broadcaster
Or spectators have found the video segment oneself liked during live, it is desirable to be trimmed into independent video file
, it is necessary to video is downloaded into this by playback function after net cast terminates during in order to sharing and play
Ground, then carries out the editing of video by local professional editing software, and the real-time of video clipping is weak,
Can do nothing to help main broadcaster carries out real-time interactive with spectators.
The content of the invention
A kind of live real-time clipping method of Online Video and device are the embodiment of the invention provides, be can solve the problem that
The live video clipping of existing Online Video needs passing through playback function after net cast terminates by under video
Being downloaded to locally is carried out, the weak problem of real-time.
The live real-time clipping method of a kind of Online Video provided in an embodiment of the present invention, including：
Front end obtains initial time of the current point in time chosen during net cast of user as editing
Point；
What the front end acquisition user chose during net cast and after the start time point works as
Preceding time point as editing end time point；
The front end sends the start time point, end time point and corresponding video ID to rear
Platform server so that background server is according to the start time point, end time point and correspondence
Video ID carry out video segment extraction, obtain video clip files；
The video address of the video clip files that background server described in the front end receiver is returned.
Alternatively, the background server is according to the start time point, end time point and right
The video ID for answering carries out video segment extraction, obtains video clip files, specifically includes：
The background server obtains video counts of the user during net cast according to the video ID
According to；
The background server matches starting corresponding with the start time point in the video data and closes
Key frame；
The background server matches end corresponding with the end time point in the video data and closes
Key frame；
The background server extracts the video counts between the starting keyframe and the end key frame
According to obtaining the video clip files.
Alternatively, the front end is receiving regarding for the video clip files that the background server is returned
After frequency address, video preview is carried out according to the video address.
Alternatively, editing is obtained after user chooses the start time point for obtaining editing and in user's selection
End time point before, the front end shows current editing duration in real time.
Alternatively, background server is according to the start time point, end time point and corresponding
Video ID carries out video segment extraction, obtains also including after video clip files：
The background server judges between the start time point and end time point whether is user
The typing chorus voice data during net cast, if so, then obtaining in the start time point and institute
State the chorus voice data between end time point；
The chorus voice data that the background server will be obtained imports the video clip files.
The live real-time editing device of a kind of Online Video provided in an embodiment of the present invention, including front end and backstage
Server, the front end includes：
Start time point acquisition module, for obtaining the current time that user chooses during net cast
Put as the start time point of editing；
End time point acquisition module, for obtaining user during net cast and when described initial
Between put after choose current point in time as editing end time point；
Sending module, for sending the start time point, end time point and corresponding video
ID is to background server；
The background server includes：
Video segment extraction module, for according to the start time point, end time point and right
The video ID for answering carries out video segment extraction, obtains video clip files；
The front end also includes：
Receiver module, the video ground for receiving the video clip files that the background server is returned
Location.
Alternatively, the video segment extraction module includes：
Video data acquiring unit, for according to the video ID obtain user during net cast
Video data；
Starting keyframe matching unit, for being matched in the video data and the start time point pair
The starting keyframe answered；
Terminate key frame matching unit, for being matched in the video data and the end time point pair
The end key frame answered；
Video extraction unit, for extracting the video between the starting keyframe and the end key frame
Data, obtain the video clip files.
Alternatively, the front end also includes：
Video preview module, regards for being received in the receiver module described in the background server return
After the video address of frequency clip file, video preview is carried out according to the video address.
Alternatively, the front end also includes：
Editing duration display module, for user choose obtain editing start time point after and with
Before the end time point for obtaining editing is chosen at family, current editing duration is shown in real time.
Alternatively, the background server also includes：
Audio typing judge module, for judging between the start time point and end time point
User whether during net cast typing chorus voice data；
Chorus audio acquisition module, for when the audio typing judge module judged result for be when,
Obtain the chorus voice data between the start time point and end time point；
Audio import modul, for the chorus voice data for obtaining the chorus audio acquisition module
Import the video clip files.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
In the embodiment of the present invention, first, front end obtain user during net cast choose it is current when
Between put as the start time point of editing；Then, the front end obtain user during net cast and
After the start time point choose current point in time as editing end time point；Then, institute
State front end and send the start time point, end time point and corresponding video ID to background service
Device so that background server is according to the start time point, end time point and corresponding video
ID carries out video segment extraction, obtains video clip files；Finally, backstage clothes described in the front end receiver
The video address of the video clip files that business device is returned.In embodiments of the present invention, can be in video
The starting point and end point of selecting video fragment during live, realization are regarded during net cast
The editing of frequency fragment, it is real-time, main broadcaster can be helped to carry out real-time interactive with spectators, strengthen net cast
During Consumer's Experience sense.
Brief description of the drawings
Fig. 1 is a kind of live real-time clipping method one embodiment flow of Online Video in the embodiment of the present invention
Figure；
Fig. 2 is another embodiment stream of a kind of live real-time clipping method of Online Video in the embodiment of the present invention
Cheng Tu；
Fig. 3 is a kind of live real-time editing device one embodiment structure of Online Video in the embodiment of the present invention
Figure；
Fig. 4 is a kind of live another embodiment knot of real-time editing device of Online Video in the embodiment of the present invention
Composition.
Specific embodiment
A kind of live real-time clipping method of Online Video and device are the embodiment of the invention provides, for solving
The live video clipping of existing Online Video needs passing through playback function after net cast terminates by under video
Being downloaded to locally is carried out, the weak problem of real-time.
To enable that goal of the invention of the invention, feature, advantage are more obvious and understandable, below will
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that the embodiments described below are only a part of embodiment of the invention, and not all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creativeness
The all other embodiment obtained under the premise of work, belongs to the scope of protection of the invention.
Fig. 1 is referred to, a kind of live real-time clipping method one embodiment of Online Video in the embodiment of the present invention
Including：
101st, front end obtains starting of the current point in time chosen during net cast of user as editing
Time point；
First, front end can obtain current point in time that user chooses during net cast as editing
Start time point.
What the 102nd, acquisition user in the front end chose during net cast and after the start time point works as
Preceding time point as editing end time point；
Front end obtain user during net cast choose current point in time as editing it is initial when
Between put after, the front end can obtain user during net cast and after the start time point and select
The current point in time for taking as editing end time point.
103rd, the front end sends the start time point, the end time point and corresponding video ID to rear
Platform server；
The front end obtain user chosen during net cast and after the start time point it is current
After time point is as the end time point of editing, the front end can send the start time point, this terminates
Time point and corresponding video ID are to background server.
104th, background server is according to the start time point, the end time point and corresponding video ID
Video segment extraction is carried out, video clip files are obtained；
The start time point, the end time point and corresponding video ID to backstage clothes are sent in the front end
After business device, background server according to the start time point, the end time point and corresponding can be regarded
Frequency ID carries out video segment extraction, obtains video clip files.
105th, the video address of the video clip files that the front end receiver background server is returned.
Carried out according to the start time point, the end time point and corresponding video ID in background server
Video segment is extracted, and is obtained after video clip files, and the front end can receive background server return
The video clip files video address.
In the present embodiment, first, front end obtains the current point in time that user chooses during net cast
As the start time point of editing；Then, the front end obtains user and is risen during net cast and at this
Begin time point after choose current point in time as editing end time point；Then, the front end sends
The start time point, the end time point and corresponding video ID are to background server so that backstage takes
Business device carries out video segment extraction according to the start time point, the end time point and corresponding video ID,
Obtain video clip files；Finally, the video clip files that the front end receiver background server is returned
Video address.In the present embodiment, can during net cast selecting video fragment starting point
And end point, realization carries out the editing of video segment during net cast, real-time, can help
Main broadcaster carries out real-time interactive, the Consumer's Experience sense during enhancing net cast with spectators.
For ease of understand, below to the embodiment of the present invention in a kind of live real-time clipping method of Online Video
It is described in detail, refers to Fig. 2, a kind of live real-time clipping method of Online Video in the embodiment of the present invention
Another embodiment includes：
201st, front end obtains starting of the current point in time chosen during net cast of user as editing
Time point；
First, front end obtains current point in time the rising as editing that user chooses during net cast
Begin time point.This method be mainly used in Online Video it is live during, therefore, above-mentioned current point in time
It is user in the system time of that time chosen.Before editing is started, that chooses for the first time works as
Preceding time point is the start time point of editing.
What the 202nd, acquisition user in the front end chose during net cast and after the start time point works as
Preceding time point as editing end time point；
Through after a period of time, user thinks that the video segment of editing is enough, can carry out secondary
Current point in time is chosen.The front end can obtain user during net cast and in the start time point
The current point in time chosen afterwards as editing end time point.
It should be noted that being chosen after user chooses the start time point for obtaining editing and in user
To before the end time point of editing, the front end shows current editing duration in real time, that is to say, that use
Family can be before second be chosen, the duration of the video segment of real time inspection to current clip.
203rd, the front end sends the start time point, the end time point and corresponding video ID to rear
Platform server；
After start time point and end time point is got, the front end can send the start time point,
The end time point and corresponding video ID are to background server.Video ID be user it is current
ID (identification) code name of the video data of line net cast.It is understood that it is current
A video data all can be synchronously preserved on line net cast platform per a online live video to be taken on backstage
On business device, used for playback and program request, have a corresponding video ID per portion video data.
204th, the background server obtains video counts of the user during net cast according to video ID
According to；
The background server can be obtained according to video ID and used after corresponding video ID is got
Video data of the family during net cast.
205th, the background server matches starting key corresponding with the start time point in the video data
Frame；
After video data of the user during net cast is obtained according to video ID, backstage clothes
Business device can match starting keyframe corresponding with the start time point in the video data.
It should be noted that key frame is computer animation term, frame is exactly the list of least unit in animation
Width image frame, equivalent to each lattice camera lens on cinefilm.The frame table on the time shaft of animation software
It is now a lattice or a mark.Key frame is equivalent to the original painting in 2 D animation.Refer to role or object fortune
That frame residing for key operations in dynamic or change.Animation between key frame and key frame can be by soft
Part is created, and is called transition frames or intermediate frame.Key frame of video refers in video comprising keynote message data
Frame.Therefore, above-mentioned starting keyframe refer to background server matched on the video data from rise
Begin time point nearest key frame.
206th, the background server matches end key corresponding with the end time point in the video data
Frame；
After video data of the user during net cast is obtained according to video ID, backstage clothes
Business device can match end key frame corresponding with the end time point in the video data.Similarly, on
State terminate key frame refer to background server matched on the video data it is nearest from end time point
Key frame.
207th, the background server extracts the starting keyframe and the video data between terminating key frame,
Obtain the video clip files；
After matching the starting keyframe and terminating key frame, the background server can extract this
Beginning key frame and the video data between terminating key frame, obtain the video clip files.
208th, the background server judge between the start time point and the end time point user whether
Typing chorus voice data during net cast, if so, step 209 is then performed, if it is not, then performing step
Rapid 211；
After video clip files are obtained, the background server may determine that in the start time point and be somebody's turn to do
Between end time point user whether during net cast typing chorus voice data, if so, then holding
Row step 209, if it is not, then performing step 211.It is understood that on the live platform of Online Video,
Often there is interaction between main broadcaster and spectators, chorus is also one kind therein between main broadcaster and spectators, if
Interior between the start time point and end time point of editing, background server discovery user's record is wanted in user
Enter voice data of chorusing, at this point it is possible to the chorus voice data of this period is imported into piece of video in the lump
In segment file so that the video clip files for finally obtaining truly reduce live scene at that time.
209th, the background server obtains the chorus audio between the start time point and the end time point
Data；
When the background server judges to learn that user is regarding between the start time point and the end time point
Frequently during live during typing chorus voice data, the background server can be obtained in the initial time
Chorus voice data between point and the end time point.
210th, the chorus voice data for obtaining is imported the video clip files by the background server；
The chorus audio number between the start time point and the end time point is obtained in the background server
After, the chorus voice data for obtaining can be imported the video clip files by the background server,
It should be noted that when chorus voice data is imported among the video clip files, can be to chorus
Original voice data merges polishing in voice data and the video segment, what lifting was finally obtained
Chorus.
211st, the background server stores the video clip files, and returns to the video of the video clip files
Address to the front end；
Background server obtain the video clip files and complete to the editor of the video clip files it
Afterwards, the background server can store the video clip files, and return to the video of the video clip files
Address to the front end.
212nd, the video address of the video clip files that the front end receiver background server is returned；
The background server stores the video clip files, and returns to the video address of the video clip files
To the front end, the front end can receive the video of the video clip files of background server return
Address.It is understood that the front end can be shared and be played by the video address.
213rd, the front end carries out video preview according to the video address.
In order to lift the experience property of user, in the video segment of front end receiver background server return
While the video address of file, the front end can carry out video preview according to the video address so that use
Family can view the result of broadcast of the video segment that editing is obtained with the very first time.Under the video preview effect,
The preview interface of video can not block the live picture of current video, such as in the live picture of current video
Lower right field carries out smaller screen and shows.
It should be noted that user is using live in the live real-time clipping method of the Online Video of the present embodiment
During platform to most step be perceive less than, with following application scenarios user operation illustrate
Explanation：
A, user click in player interface and start editing；
In B, video clipping, the editing time is shown in real time；
C, user terminate editing, and after clicking on preview, front end is to send data to the treatment of background server end,
And return to preview video.
For a user, the process of editing is very quick, rapid, substantially after editing is terminated
Just a good preview video of editing (being video address for front end) can be instantly obtained, only
When the duration of editing is very long, background server needs to need to wait when encoding transcoding to video file
Regular hour.
A kind of live real-time clipping method of Online Video is essentially described above, below to a kind of Online Video
Live real-time editing device is described in detail, and refers to Fig. 3, a kind of Online Video in the embodiment of the present invention
Live real-time editing device one embodiment includes：
Front end 31 and background server 32, the front end 31 include：
Start time point acquisition module 311, for obtain user during net cast choose it is current when
Between put as the start time point of editing；
End time point acquisition module 312, for obtaining user during net cast and when initial at this
Between put after choose current point in time as editing end time point；
Sending module 313, for sending the start time point, the end time point and corresponding video ID
To background server 32；
The background server 32 includes：
Video segment extraction module 321, for according to the start time point, the end time point and correspondence
Video ID carry out video segment extraction, obtain video clip files；
The front end 31 also includes：
Receiver module 314, the video of the video clip files for receiving the background server 32 return
Address.
In the present embodiment, first, start time point acquisition module 311 obtains user in net cast process
The current point in time of middle selection as editing start time point；End time point acquisition module 312 is obtained
The current point in time that user chooses during net cast and after the start time point is used as editing
End time point；Then, sending module 313 sends the start time point, the end time point and right
The video ID for answering is to background server 32；Video segment extraction module 321 according to the start time point, should
End time point and corresponding video ID carry out video segment extraction, obtain video clip files；Finally,
Receiver module 314 receives the video address of the video clip files that the background server 32 is returned.At this
In embodiment, can during net cast selecting video fragment starting point and end point, realize exist
The editing of video segment is carried out during net cast, it is real-time, main broadcaster can be helped to carry out reality with spectators
When interactive, the Consumer's Experience sense during enhancing net cast.
For ease of understand, below to the embodiment of the present invention in a kind of live real-time editing device of Online Video
It is described in detail, refers to Fig. 4, a kind of live real-time editing device of Online Video in the embodiment of the present invention
Another embodiment includes：
Front end 41 and background server 42, the front end 41 include：
Start time point acquisition module 411, for obtain user during net cast choose it is current when
Between put as the start time point of editing；
End time point acquisition module 412, for obtaining user during net cast and when initial at this
Between put after choose current point in time as editing end time point；
Sending module 413, for sending the start time point, the end time point and corresponding video ID
To background server 42；
The background server 42 includes：
Video segment extraction module 421, for according to the start time point, the end time point and correspondence
Video ID carry out video segment extraction, obtain video clip files；
The front end 41 also includes：
Receiver module 414, the video of the video clip files for receiving the background server 42 return
Address.
The video segment extraction module 421 can include in the present embodiment：
Video data acquiring unit 4211, for according to video ID obtain user during net cast
Video data；
Starting keyframe matching unit 4212, for the matching in the video data and the start time point pair
The starting keyframe answered；
Terminate key frame matching unit 4213, for the matching in the video data and the end time point pair
The end key frame answered；
Video extraction unit 4214, for extracting the starting keyframe and the video between terminating key frame
Data, obtain the video clip files.
The front end 41 can also include in the present embodiment：
Video preview module 415, for receiving what the background server 42 was returned in the receiver module 414
After the video address of the video clip files, video preview is carried out according to the video address.
The front end 41 can also include in the present embodiment：
Editing duration display module 416, for user choose obtain editing start time point after and
Before user chooses the end time point for obtaining editing, current editing duration is shown in real time.
The background server 42 can also include in the present embodiment：
Audio typing judge module 422, for judging to be used between the start time point and the end time point
Family whether during net cast typing chorus voice data；
Chorus audio acquisition module 423, for being yes when the judged result of the audio typing judge module 422
When, obtain the chorus voice data between the start time point and the end time point；
Audio import modul 424, for the chorus audio number for obtaining the chorus audio acquisition module 423
According to the importing video clip files.
It is apparent to those skilled in the art that, it is for convenience and simplicity of description, above-mentioned to retouch
The specific work process of the system, apparatus, and unit stated, may be referred to the correspondence in preceding method embodiment
Process, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, device and
Method, can realize by another way.For example, device embodiment described above is only to show
Meaning property, for example, the division of the unit, only a kind of division of logic function can when actually realizing
To there is other dividing mode, such as multiple units or component can be combined or be desirably integrated into another
System, or some features can be ignored, or not perform.It is another, it is shown or discussed each other
Coupling or direct-coupling or communication connection can be the INDIRECT COUPLING of device or unit by some interfaces
Or communication connection, can be electrical, mechanical or other forms.
It is described as separating component illustrate unit can be or may not be it is physically separate, make
For the part that unit shows can be or may not be physical location, you can with positioned at a place,
Or can also be distributed on multiple NEs.Can select according to the actual needs part therein or
Person whole units realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to which two or more units are integrated in a list
In unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ software function list
The form of unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing
Or when using, can store in a computer read/write memory medium.Based on such understanding, this
Part that the technical scheme of invention substantially contributes to prior art in other words or the technical scheme
Can completely or partially be embodied in the form of software product, the computer software product is stored at one
In storage medium, including some instructions are used to so that computer equipment (can be personal computer,
Server, or the network equipment etc.) perform all or part of step of each embodiment methods described of the invention
Suddenly.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；
Although being described in detail to the present invention with reference to the foregoing embodiments, one of ordinary skill in the art should
Work as understanding：It can still modify to the technical scheme described in foregoing embodiments, or to it
Middle some technical characteristics carry out equivalent；And these modifications or replacement, do not make appropriate technical solution
Essence depart from various embodiments of the present invention technical scheme spirit and scope.
Claims (10)
1. the live real-time clipping method of a kind of Online Video, it is characterised in that including：
Front end obtains initial time of the current point in time chosen during net cast of user as editing
Point；
What the front end acquisition user chose during net cast and after the start time point works as
Preceding time point as editing end time point；
The front end sends the start time point, end time point and corresponding video ID to rear
Platform server so that background server is according to the start time point, end time point and correspondence
Video ID carry out video segment extraction, obtain video clip files；
The video address of the video clip files that background server described in the front end receiver is returned.
2. the live real-time clipping method of Online Video according to claim 1, it is characterised in that institute
State background server is carried out according to the start time point, end time point and corresponding video ID
Video segment is extracted, and obtains video clip files, is specifically included：
The background server obtains video counts of the user during net cast according to the video ID
According to；
The background server matches starting corresponding with the start time point in the video data and closes
Key frame；
The background server matches end corresponding with the end time point in the video data and closes
Key frame；
The background server extracts the video counts between the starting keyframe and the end key frame
According to obtaining the video clip files.
3. the live real-time clipping method of Online Video according to claim 1, it is characterised in that institute
Front end is stated after the video address for receiving the video clip files that the background server is returned, root
Video preview is carried out according to the video address.
4. the live real-time clipping method of Online Video according to claim 1, it is characterised in that
User choose obtain after the start time point of editing and user choose obtain editing end time point it
Before, the front end shows current editing duration in real time.
5. the live real-time clipping method of Online Video according to claim 1, it is characterised in that after
Platform server carries out video according to the start time point, end time point and corresponding video ID
Snippet extraction, obtains also including after video clip files：
The background server judges between the start time point and end time point whether is user
The typing chorus voice data during net cast, if so, then obtaining in the start time point and institute
State the chorus voice data between end time point；
The chorus voice data that the background server will be obtained imports the video clip files.
6. the live real-time editing device of a kind of Online Video, it is characterised in that including front end and background service
Device, the front end includes：
Start time point acquisition module, for obtaining the current time that user chooses during net cast
Put as the start time point of editing；
End time point acquisition module, for obtaining user during net cast and when described initial
Between put after choose current point in time as editing end time point；
Sending module, for sending the start time point, end time point and corresponding video
ID is to background server；
The background server includes：
Video segment extraction module, for according to the start time point, end time point and right
The video ID for answering carries out video segment extraction, obtains video clip files；
The front end also includes：
Receiver module, the video ground for receiving the video clip files that the background server is returned
Location.
7. the live real-time editing device of Online Video according to claim 6, it is characterised in that institute
Stating video segment extraction module includes：
Video data acquiring unit, for according to the video ID obtain user during net cast
Video data；
Starting keyframe matching unit, for being matched in the video data and the start time point pair
The starting keyframe answered；
Terminate key frame matching unit, for being matched in the video data and the end time point pair
The end key frame answered；
Video extraction unit, for extracting the video between the starting keyframe and the end key frame
Data, obtain the video clip files.
8. the live real-time editing device of Online Video according to claim 6, it is characterised in that institute
Stating front end also includes：
Video preview module, regards for being received in the receiver module described in the background server return
After the video address of frequency clip file, video preview is carried out according to the video address.
9. the live real-time editing device of Online Video according to claim 6, it is characterised in that institute
Stating front end also includes：
Editing duration display module, for user choose obtain editing start time point after and with
Before the end time point for obtaining editing is chosen at family, current editing duration is shown in real time.
10. the live real-time editing device of Online Video according to claim 6, it is characterised in that
The background server also includes：
Audio typing judge module, for judging between the start time point and end time point
User whether during net cast typing chorus voice data；
Chorus audio acquisition module, for when the audio typing judge module judged result for be when,
Obtain the chorus voice data between the start time point and end time point；
Audio import modul, for the chorus voice data for obtaining the chorus audio acquisition module
Import the video clip files.
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| CN201511033460.5A CN106937129A (en) | 2015-12-31 | 2015-12-31 | A kind of live real-time clipping method of Online Video and device |
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