CN106488324A - Video editing method and system - Google Patents
Video editing method and system Download PDFInfo
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- CN106488324A CN106488324A CN201610885934.7A CN201610885934A CN106488324A CN 106488324 A CN106488324 A CN 106488324A CN 201610885934 A CN201610885934 A CN 201610885934A CN 106488324 A CN106488324 A CN 106488324A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 239000003550 marker Substances 0.000 claims description 96
- 238000002372 labelling Methods 0.000 claims description 32
- 238000010008 shearing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000012163 sequencing technique Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47205—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Strategic Management (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention is suitable for the technical field of computers, and provides a video editing method and a system, wherein the method comprises the following steps: receiving a message of starting video acquisition, generating a virtual time line synchronous with the acquired video, recording video mark points input by a user on the virtual time line, acquiring the position information of all the video mark points when receiving the message of finishing video acquisition, editing the video according to the position information of all the video mark points, and outputting the edited video. The method and the device realize the synchronous editing of the video in the video shooting process by acquiring the video mark points input by the user in the video acquisition process, reduce the time required by the later editing of the video and improve the later editing efficiency of the video.
Description
Technical field
The invention belongs to field of computer technology, more particularly, to a kind of video clipping method and system.
Background technology
With the development of the technology such as multimedia, image procossing, Internet video, people can not only watch on the internet
, additionally it is possible to share the video of oneself shooting, whether TV play, film are this kind of specially for the various excellent video such as TV play, film
Video or the video of people oneself shooting that industry team makes, after the completion of shooting, it usually needs through video clipping, ability
The video finished product becoming for ease of spectators' viewing and appreciating.The to the effect that deletion part unrelated with video content of video clipping
And beautify the weak point occurring in video, shorten video playback time and increase video pictures artistic appeal to reach
Purpose.
But video clipping of the prior art is later stage video clipping, that is, video acquisition and video clipping are in different times
Complete, the video being collected is given video clipping personnel after having gathered video by video acquisition personnel, and video clipping personnel are cutting
Need when collecting repeatedly again to watch collection video, time-consuming, high cost to lead to later stage video clipping process.
Content of the invention
It is an object of the invention to provide a kind of video clipping method and system are it is intended to solve cannot carry due to prior art
For a kind of effective video clipping method, lead to the problem of later stage video clipping inefficiency.
On the one hand, the invention provides a kind of video clipping method, methods described comprises the steps：
Receive the message that video acquisition starts, generate the virtual time line with the audio video synchronization of described collection；
The video marker point that record user inputs on described virtual time line；
When receiving the message that described video acquisition terminates, obtain the positional information of described all video marker points；
Editing, the video after output editing are carried out according to the positional information of described all video marker points to described video.
On the other hand, the invention provides a kind of video clipping system, described system includes：
Virtual time line signal generating unit, for receiving the message that video acquisition starts, generates same with the video of described collection
The virtual time line of step；
Video marker point recording unit, for recording the video marker point that user inputs on described virtual time line；
Information acquisition unit, for when receiving the message that described video acquisition terminates, obtaining described all video marks
The positional information of note point；And
Video clipping unit, for editing is carried out to described video according to the positional information of described all video marker points,
Video after output editing.
The message that the present invention starts according to the video acquisition receiving, generates the virtual time with the audio video synchronization of collection
Line, the video marker point that during real time record video acquisition, user inputs on virtual time line, at the end of video acquisition,
Obtain the positional information of all video marker points, and according to these positional informationes, editing is carried out to video it is achieved that clapping in video
Synchronous editing to video during taking the photograph, the video after output editing, thus improve the later stage editing efficiency of video, shortens
Time cycle of later stage editing.
Brief description
Fig. 1 is the flowchart of the video clipping method that the embodiment of the present invention one provides；
Fig. 2 is the structure chart of the video clipping system that the embodiment of the present invention two provides；And
Fig. 3 is the structure chart of the video clipping system that the embodiment of the present invention three provides；
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
Below in conjunction with specific embodiment, implementing of the present invention is described in detail：
Embodiment one：
Fig. 1 show the embodiment of the present invention one provide video clipping method realize flow process, for convenience of description, only show
Go out the part related to the embodiment of the present invention, details are as follows：
In step S101, receive the message that video acquisition starts, generate the virtual time line with the audio video synchronization of collection.
The embodiment of the present invention is applied to the picture pick-up device that computer, smart mobile phone etc. have video acquisition function.Work as reception
When video starts the message of collection on picture pick-up device, obtain the acquisition time of this video current in real time, generate one and collection
Audio video synchronization virtual time line, the time on virtual time line is corresponding in the same time with video acquisition.Specifically real
Shi Shi, this virtual time line can be shown on the display screen of picture pick-up device, observe and labelling in order to user, wherein, adopt
The video integrating can be used as line class video or lecture video.
In step s 102, the video marker point that record user inputs on virtual time line.
In embodiments of the present invention, user can be reminded in void by forms such as pop-up dialogue box, voice or operation demonstrations
Multiple video marker points are inputted on pseudotime line, to be marked at the video-frequency band needing to retain in the video of collection, when a video mark
After the completion of note point input, according to this this video marker point of location records on virtual time line for video marker point.Specifically, use
Family can be touched video pictures by finger, screen touch pen etc. point and is marked, or when directly putting tactile corresponding on virtual time line
Between be marked, or directly input labelling point corresponding time on virtual time line and be marked.
Preferably, when receiving the message of user input one video marker point, user can be reminded to check this video marker
Whether point is errorless, and receive user confirms or changes the feedback message of this video marker point, thus improving the intelligence of video marker
Energyization and hommization degree.
In step s 103, when receiving the message that video acquisition terminates, obtain the position letter of all video marker points
Breath.
In embodiments of the present invention, the positional information of video marker point is that video marker point is corresponding on virtual time line
Time and type, wherein, the type of video marker point includes the video time started labelling point of the video-frequency band of labelling needs reservation
With video end time labelling point.When receiving the message that video acquisition terminates, from the video marker point of step S102 record
In, obtain the positional information of all video marker points.
Specifically, can by all video marker points according to video marker point corresponding time-sequencing on virtual time line,
Determine the type of video marker point according to ranking results, such as time-sequencing is first and second video marker point is labelling the
One needs the video time started labelling point of video-frequency band and the video end time labelling point retaining, the like, obtain institute
There is the type of video marker point, thus obtaining the positional information of all video marker points.
In step S104, the positional information according to all video marker points carries out editing to video, after output editing
Video.
In embodiments of the present invention, can according to the positional information of all video marker points, that is, the type of video marker point and
Time, obtain in the video gathering time period corresponding to the video-frequency band of reservation in need.According to default video frame rate, will
Time started of time period corresponding to the video-frequency band of reservation in need and end time be respectively converted into and need retain to regard
Frequency range corresponding start frame and end frame in the video of collection.Then according to the start frame being converted to and end frame, by institute
The video-frequency band of reservation in need is sheared out from the video of collection, thus not needing the video retaining in removing the video of collection
Section, the video-frequency band of the institute's reservation in need finally obtaining shearing merges, the complete video that obtains after output merging.
In embodiments of the present invention, during video acquisition, the video mark of real time record acquisition time and user input
Note point, after video acquisition terminates, carries out editing to video it is achieved that regarding according to the positional information of the video marker point obtaining
During frequency shooting, the synchronous editing to video, thus improve the later stage editing efficiency of video, shortening later stage video and cutting
The time cycle collected, reduce the cost of later stage video clipping.Particularly when gathering classroom video or lecture video, can be direct
Obtain can play finished product, improve the make efficiency of study video.
One of ordinary skill in the art will appreciate that it is permissible for realizing all or part of step in above-described embodiment method
Instruct related hardware to complete by program, described program can be stored in a computer read/write memory medium,
Described storage medium, such as ROM/RAM, disk, CD etc..
Embodiment two：
Fig. 2 shows the structure of the video clipping system that the embodiment of the present invention two provides, and for convenience of description, illustrate only
The part related to the embodiment of the present invention.
In embodiments of the present invention, video clipping system includes virtual time line signal generating unit 21, video marker point record
Unit 22, information acquisition unit 23, video clipping unit 24, wherein：
Virtual time line signal generating unit 21, for receiving the message that video acquisition starts, generates the audio video synchronization with collection
Virtual time line.
The embodiment of the present invention is applied to the picture pick-up device that computer, smart mobile phone etc. have video acquisition function.Work as reception
When video starts the message of collection on picture pick-up device, obtain the acquisition time of this video current in real time, generate one and collection
Audio video synchronization virtual time line, the time on virtual time line is corresponding in the same time with video acquisition.Specifically real
Shi Shi, this virtual time line can be shown on the display screen of picture pick-up device, observe and labelling in order to user, wherein, adopt
The video integrating can be used as line class video or lecture video.
Video marker point recording unit 22, for recording the video marker point that user inputs on virtual time line.
In embodiments of the present invention, user can be reminded in void by forms such as pop-up dialogue box, voice or operation demonstrations
Multiple video marker points are inputted on pseudotime line, to be marked at the video-frequency band needing to retain in the video of collection, when a video mark
After the completion of note point input, according to this this video marker point of location records on virtual time line for video marker point.Specifically, use
Family can be touched video pictures by finger, screen touch pen etc. point and is marked, or when directly putting tactile corresponding on virtual time line
Between be marked, or directly input labelling point corresponding time on virtual time line and be marked.
Information acquisition unit 23, for when receiving the message that video acquisition terminates, obtaining all video marker points
Positional information.
In embodiments of the present invention, the positional information of video marker point is that video marker point is corresponding on virtual time line
Time and type, wherein, the type of video marker point includes the video time started labelling point of the video-frequency band of labelling needs reservation
With video end time labelling point.When receiving the message that video acquisition terminates, from the video marker point of step S102 record
In, obtain the positional information of all video marker points.
Specifically, can by all video marker points according to video marker point corresponding time-sequencing on virtual time line,
Determine the type of video marker point according to ranking results, such as time-sequencing is first and second video marker point is labelling the
One needs the video time started labelling point of video-frequency band and the video end time labelling point retaining, the like, obtain institute
There is the type of video marker point, thus obtaining the positional information of all video marker points.
Video clipping unit 24, for carrying out editing according to the positional information of all video marker points to video, output is cut
Video after volume.
In embodiments of the present invention, can according to the positional information of all video marker points, that is, the type of video marker point and
Time, obtain in the video gathering time period corresponding to the video-frequency band of reservation in need.According to default video frame rate, will
Time started of time period corresponding to the video-frequency band of reservation in need and end time be respectively converted into and need retain to regard
Frequency range corresponding start frame and end frame in the video of collection.Then according to the start frame being converted to and end frame, by institute
The video-frequency band of reservation in need is sheared out from the video of collection, thus not needing the video retaining in removing the video of collection
Section, the video-frequency band of the institute's reservation in need finally obtaining shearing merges, the complete video that obtains after output merging.
In embodiments of the present invention, during video acquisition, the video mark of real time record acquisition time and user input
Note point, after video acquisition terminates, carries out editing to video it is achieved that regarding according to the positional information of the video marker point obtaining
Synchronous editing to video during frequency shooting, the video after output editing, thus improve the later stage editing efficiency of video,
Shorten the time cycle of later stage video clipping, reduce the cost of later stage video clipping.Particularly in collection line class video
Or during lecture video, playable finished product can be directly obtained, improve the make efficiency of study video.
Embodiment three：
Fig. 3 shows the structure of the video clipping system that the embodiment of the present invention three provides, and for convenience of description, illustrate only
The part related to the embodiment of the present invention.
In embodiments of the present invention, video clipping system includes virtual time line signal generating unit 31, video marker point record
Unit 32, information acquisition unit 33, video clipping unit 34, wherein：
Virtual time line signal generating unit 31, for receiving the message that video acquisition starts, generates the audio video synchronization with collection
Virtual time line.
The embodiment of the present invention is applied to the picture pick-up device that computer, smart mobile phone etc. have video acquisition function.Work as reception
When video starts the message of collection on picture pick-up device, obtain the acquisition time of this video current in real time, generate one and collection
Audio video synchronization virtual time line, the time on virtual time line is corresponding in the same time with video acquisition.Specifically real
Shi Shi, this virtual time line can be shown on the display screen of picture pick-up device, observe and labelling in order to user, wherein, adopt
The video integrating can be used as line class video or lecture video.
Video marker point recording unit 32, for recording the video marker point that user inputs on virtual time line.
In embodiments of the present invention, user can be reminded in void by forms such as pop-up dialogue box, voice or operation demonstrations
Multiple video marker points are inputted on pseudotime line, to be marked at the video-frequency band needing to retain in the video of collection, when a video mark
After the completion of note point input, according to this this video marker point of location records on virtual time line for video marker point.Specifically, use
Family can be touched video pictures by finger, screen touch pen etc. point and is marked, or when directly putting tactile corresponding on virtual time line
Between be marked, or directly input labelling point corresponding time on virtual time line and be marked.
Information acquisition unit 33, for when receiving the message that video acquisition terminates, obtaining all video marker points
Positional information.
In embodiments of the present invention, the positional information of video marker point is that video marker point is corresponding on virtual time line
Time and type, wherein, the type of video marker point includes the video time started labelling point of the video-frequency band of labelling needs reservation
With video end time labelling point.When receiving the message that video acquisition terminates, from the video marker point of step S102 record
In, obtain the positional information of all video marker points.
Specifically, can by all video marker points according to video marker point corresponding time-sequencing on virtual time line,
Determine the type of video marker point according to ranking results, such as time-sequencing is first and second video marker point is labelling the
One needs the video time started labelling point of video-frequency band and the video end time labelling point retaining, the like, obtain institute
There is the type of video marker point, thus obtaining the positional information of all video marker points.
Video clipping unit 34, for carrying out editing according to the positional information of all video marker points to video, output is cut
Video after volume.
In embodiments of the present invention, can according to the positional information of all video marker points, that is, the type of video marker point and
Time, obtain in the video gathering time period corresponding to the video-frequency band of reservation in need.According to default video frame rate, will
Time started of time period corresponding to the video-frequency band of reservation in need and end time be respectively converted into and need retain to regard
Frequency range corresponding start frame and end frame in the video of collection.Then according to the start frame being converted to and end frame, by institute
The video-frequency band of reservation in need is sheared out from the video of collection, thus not needing the video retaining in removing the video of collection
Section, the video-frequency band of the institute's reservation in need finally obtaining shearing merges, the complete video that obtains after output merging.
It is therefore preferred that virtual time line signal generating unit 31 may include：
Time acquisition unit 311, for when receiving the message that video acquisition starts, obtain in real time video collection when
Between；And
Signal generating unit 312, for the acquisition time according to video, synchronous generation virtual time line.
It is therefore preferred that may include labelling reminding unit, for reminding user to exist before video marker point record unit 32
Multiple video marker points are inputted on virtual time line, to be marked at the video-frequency band needing to retain in the video of collection；
It is therefore preferred that video clipping unit 34 may include：
Time period acquiring unit 341, for the positional information according to all video marker points, obtain reservation in need
Time period corresponding to video-frequency band；
Frame acquiring unit 342, is respectively converted into institute's reservation in need for the time started of time period and end time
Video-frequency band collection video in corresponding start frame and end frame；
Editing unit 343, for according to start frame and end frame, shearing the video of video reservation in need to obtain
Section；And
Merge output unit 344, for merge institute reservation in need video-frequency band, output merging after obtain completely regards
Frequently.
In embodiments of the present invention, during video acquisition, the video mark of real time record acquisition time and user input
Note point, after video acquisition terminates, carries out editing to video it is achieved that regarding according to the positional information of the video marker point obtaining
Synchronous editing to video during frequency shooting, the video after output editing, thus improve the later stage editing efficiency of video,
Shorten the time cycle of later stage video clipping, reduce the cost of later stage video clipping.Particularly collection classroom video or
During lecture video, playable finished product can be directly obtained, improve the make efficiency of study video.
In embodiments of the present invention, each unit of video clipping system can be realized by corresponding hardware or software unit, respectively
Unit can be for independent soft and hardware unit it is also possible to be integrated into a soft and hardware unit, here is not in order to limit the present invention.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of video clipping method is it is characterised in that the method comprising the steps of：
Receive the message that video acquisition starts, generate the virtual time line with the audio video synchronization of described collection；
The video marker point that record user inputs on described virtual time line；
When receiving the message that described video acquisition terminates, obtain the positional information of described all video marker points；
Editing, the video after output editing are carried out according to the positional information of described all video marker points to described video.
2. the method for claim 1, it is characterised in that receiving the message that video acquisition starts, generates and described collection
The virtual time line of audio video synchronization step, including：
When receiving the message that described video acquisition starts, obtain the acquisition time of described video in real time；
According to the acquisition time of described video, the described virtual time line of synchronous generation.
3. the method for claim 1 is it is characterised in that record the video mark that user inputs on described virtual time line
Before the step of note point, also include：
Described user is reminded multiple described video marker points to be inputted on described virtual time line, to be marked at regarding of described collection
The video-frequency band retaining is needed in frequency.
4. the method for claim 1 is it is characterised in that the positional information of described video marker point is described video marker
Point corresponding time and type on described virtual time line, described type includes needing regarding of the video-frequency band retaining described in labelling
Frequency time started labelling point and video end time labelling point.
5. the method for claim 1 is it is characterised in that according to the positional information of described all video marker points to described
Video carries out editing, the step exporting the video after editing, including：
According to the positional information of described all video marker points, obtain described the time corresponding to the video-frequency band of reservation in need
Section；
The time started of described time period and end time are respectively converted into the video-frequency band of described reservation in need described
Corresponding start frame and end frame in the video of collection；
According to described start frame and end frame, shear described video to obtain the video-frequency band of described reservation in need；
Merge the video-frequency band of described institute reservation in need, the complete video that obtains after output merging.
6. a kind of video clipping system is it is characterised in that described system includes：
Virtual time line signal generating unit, for receiving the message that described video acquisition starts, generates same with the video of described collection
The virtual time line of step；
Video marker point recording unit, for recording the video marker point that user inputs on described virtual time line；
Information acquisition unit, for when receiving the message that described video acquisition terminates, obtaining described all video marker points
Positional information；And
Video clipping unit, for editing is carried out to described video according to the positional information of described all video marker points, output
Video after editing.
7. system as claimed in claim 6 is it is characterised in that described virtual time line signal generating unit includes：
Time acquisition unit, for when receiving the message that video acquisition starts, obtaining the acquisition time of described video in real time；
And
Signal generating unit, for the acquisition time according to described video, the described virtual time line of synchronous generation.
8. system as claimed in claim 6 is it is characterised in that also include before described video marker point recording unit：
Labelling reminding unit, for reminding described user that multiple described video marker points are inputted on described virtual time line, with
The video-frequency band retaining is needed in the video being marked at described collection.
9. system as claimed in claim 6 is it is characterised in that the positional information of described video marker point is described video marker
Point corresponding time and type on described virtual time line, described type includes needing regarding of the video-frequency band retaining described in labelling
Frequency time started labelling point and video end time labelling point.
10. system as claimed in claim 6 is it is characterised in that described video clipping unit includes：
Time period acquiring unit, for the positional information according to described all video marker points, obtains the reservation in need of described institute
The time period corresponding to video-frequency band；
Frame acquiring unit, is respectively converted into the reservation in need of described institute for the time started of described time period and end time
The start frame corresponding in the video of described collection of video-frequency band and end frame；
Editing unit, for according to described start frame and end frame, shearing described video to obtain described reservation in need
Video-frequency band；And
Merge output unit, for merging the video-frequency band of described institute reservation in need, the complete video that obtains after output merging.
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| CN201610885934.7A CN106488324A (en) | 2016-10-10 | 2016-10-10 | Video editing method and system |
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| WO2019213809A1 (en) * | 2018-05-07 | 2019-11-14 | 深圳市大疆创新科技有限公司 | Video processing method and system, terminal device and system of mobile device |
| CN112650880A (en) * | 2020-11-30 | 2021-04-13 | 重庆紫光华山智安科技有限公司 | Video analysis method and device, computer equipment and storage medium |
| CN112650880B (en) * | 2020-11-30 | 2022-06-03 | 重庆紫光华山智安科技有限公司 | Video analysis method and device, computer equipment and storage medium |
| CN115002335A (en) * | 2021-11-26 | 2022-09-02 | 荣耀终端有限公司 | Video processing method, video processing device, electronic equipment and computer-readable storage medium |
| CN115002335B (en) * | 2021-11-26 | 2024-04-09 | 荣耀终端有限公司 | Video processing method, apparatus, electronic device, and computer-readable storage medium |
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