CN105933773A - Video editing method and system - Google Patents
Video editing method and system Download PDFInfo
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- CN105933773A CN105933773A CN201610319204.0A CN201610319204A CN105933773A CN 105933773 A CN105933773 A CN 105933773A CN 201610319204 A CN201610319204 A CN 201610319204A CN 105933773 A CN105933773 A CN 105933773A
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- key frame
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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]
- H04N21/20—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
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
-
- 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, rendering scenes according to MPEG-4 scene graphs
Abstract
The embodiment of the invention provides a video editing method and system, and the system comprises the steps: obtaining a to-be-edited video uploaded by a user, and carrying out the decoding of the to-be-edited video, so as obtain a plurality of key frames in the to-be-edited video and the moments corresponding to the plurality of key frames; obtaining the starting frame and the ending frame determined by the user in the to-be-edited video, and obtaining the starting moment of the starting frame and the ending moment corresponding to the ending frame; determining a starting key frame, corresponding to the starting frame, in the plurality of key frames according to the moments and starting moments corresponding to the key frames, and determining an ending key frame, corresponding to the ending frame, in the plurality of key frames according to the moments and ending moments corresponding to the key frames; and editing the to-be-edited video according to the starting key frame and the ending key frame. The method is used for simplifying the user's operation for editing the video.
Description
Technical field
The present embodiments relate to technical field of video processing, particularly relate to a kind of video editing method and be
System.
Background technology
Along with the development of camera technique, increasing user can be shot voluntarily by video camera and regard
Frequently, in order to ensure the quality of video, after video capture completes, generally also need to the video of shooting is entered
Edlin, such as, extract the Partial Fragment in video, delete and merging etc..
In the prior art, when user needs to edit video, user typically requires by individual
Downloaded and the Video editing software of installation specialty, such as Adobe After Effects, Adobe
Premiere, super conversion show etc., and in the Video editing software of this specialty, carry out video editing, generally
The user only possessing relevant speciality technical ability can skillfully use the Video editing software of this specialty, most
User cannot carry out skilled operation to this professional video software, increases user's difficulty to video editing,
Make poor user experience.
Summary of the invention
The embodiment of the present invention provides a kind of video editing method and system, is used for simplifying user to video editing
Operation, and then improve Consumer's Experience.
First aspect, the embodiment of the present invention provides a kind of video editing method, including:
Obtain the video to be edited that user uploads, described video to be edited is decoded, described to obtain
Multiple key frames that video to be edited includes and moment corresponding to each described key frame;
Obtain start frame and abort frame that user determines in described video to be edited, and obtain described initial
Initial time that frame is corresponding and end time corresponding to described abort frame;
The moment corresponding according to each described key frame and described initial time, in the plurality of key frame really
The starting keyframe that fixed described start frame is corresponding, the moment corresponding according to each described key frame and described termination
In the moment, the plurality of key frame determines the termination key frame that described abort frame is corresponding;
According to described starting keyframe and described termination key frame, described video to be edited is edited.
Method as above, start frame that described acquisition user determines in described video to be edited and end
Only frame, including:
Video display region in interactive interface shows described video to be edited and described to be edited regards
The progress bar that frequency is corresponding;
Receive the original position that user inputs in described progress bar, by video corresponding for described original position
Frame is defined as described start frame;
Receive the final position that user inputs in described progress bar, by video corresponding for described final position
Frame is defined as described abort frame.
Method as above, the described moment corresponding according to each described key frame and described initial time,
The starting keyframe that described start frame is corresponding is determined in the plurality of key frame, including:
Respectively multiple moment corresponding for the plurality of key frame and described initial time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described initial time;
The most described start frame is defined as described starting keyframe;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described initial time phase
The first adjacent moment and the second moment, obtain described first moment and described initial time difference and
Described second moment and the difference of described initial time, and by the absolute value with the difference of described initial time
The key frame that the minimum moment is corresponding is defined as described starting keyframe.
Method as above, by corresponding with the moment of the absolute value of the difference of described initial time minimum
Key frame be defined as described starting keyframe after, also include:
Obtain the abandon choosing corresponding with the moment of the maximum absolute value of the difference of described initial time and initiate key
Frame;
In interactive interface, show that described starting keyframe and described abandoning select starting keyframe;
Receive the first gravity treatment instruction of user's input, instruct described initial key according to described first gravity treatment
Frame is abandoned and is selected starting keyframe described in being updated to.
Method as above, the described moment corresponding according to each described key frame and described end time,
The termination key frame that described abort frame is corresponding is determined in the plurality of key frame, including:
Respectively multiple moment corresponding for the plurality of key frame and described end time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described end time;
The most described abort frame is defined as described termination key frame;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described end time phase
The 3rd adjacent moment and the 4th moment, obtain described 3rd moment and described end time difference and
Described 4th moment and the difference of described end time, and by the absolute value with the difference of described end time
The key frame that the minimum moment is corresponding is defined as described termination key frame.
Method as above, by corresponding with the moment of the absolute value of the difference of described end time minimum
Key frame be defined as described termination key frame after, also include:
Obtain the abandon choosing corresponding with the moment of the maximum absolute value of the difference of described end time and terminate key
Frame;
In interactive interface, show that described termination key frame and described abandoning select termination key frame;
Receive the second gravity treatment instruction of user's input, terminate key according to described second gravity treatment instruction by described
Frame abandons choosing termination key frame described in being updated to.
Method as above, states before obtaining the video to be edited that user uploads, also includes:
Receiving the logging request of user's input, described logging request includes username and password;
Described user name and described password are verified;
After to described user name and described password authentification success, accept described logging request.
Second aspect, the embodiment of the present invention provides a kind of video editing system, including:
First acquisition module, for obtaining the video to be edited that user uploads;
Decoder module, for being decoded described video to be edited, to obtain in described video to be edited
Including multiple key frames and moment corresponding to each described key frame;
Second acquisition module, for obtaining start frame and the termination that user determines in described video to be edited
Frame, and obtain initial time corresponding to described start frame and end time corresponding to described abort frame;
Determine module, for the moment corresponding according to each described key frame and described initial time, described
Multiple key frames determine the starting keyframe that described start frame is corresponding, corresponding according to each described key frame
Moment and described end time, determine that in the plurality of key frame the termination that described abort frame is corresponding is crucial
Frame;
Editor module, for according to described starting keyframe and described termination key frame, to described to be edited
Video is edited.
System as above, described second acquisition module specifically for:
Video display region in interactive interface shows described video to be edited and described to be edited regards
The progress bar that frequency is corresponding;
Receive the original position that user inputs in described progress bar, by video corresponding for described original position
Frame is defined as described start frame;
Receive the final position that user inputs in described progress bar, by video corresponding for described final position
Frame is defined as described abort frame.
System as above, described determine module specifically for:
Respectively multiple moment corresponding for the plurality of key frame and described initial time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described initial time;
The most described start frame is defined as described starting keyframe;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described initial time phase
The first adjacent moment and the second moment, obtain described first moment and described initial time difference and
Described second moment and the difference of described initial time, and by the absolute value with the difference of described initial time
The key frame that the minimum moment is corresponding is defined as described starting keyframe.
System as above, described system also includes that the 3rd acquisition module, display module and first receive
Module, wherein,
Described 3rd acquisition module is used for, and determines exhausted by with the difference of described initial time of module described
After the key frame that the moment that value is minimum is corresponding is defined as described starting keyframe, obtain initial with described
Starting keyframe is selected in moment corresponding the abandoning of the maximum absolute value of the difference in moment;
Described display module is used for, and shows described starting keyframe and described to abandon choosing initial in interactive interface
Key frame;
Described first receiver module is used for, and receives the first gravity treatment instruction of user's input, according to described first
Gravity treatment instruction is abandoned and is selected starting keyframe described in being updated to by described starting keyframe.
System as above, determine module specifically for:
Respectively multiple moment corresponding for the plurality of key frame and described end time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described end time;
The most described abort frame is defined as described termination key frame;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described end time phase
The 3rd adjacent moment and the 4th moment, obtain described 3rd moment and described end time difference and
Described 4th moment and the difference of described end time, and by the absolute value with the difference of described end time
The key frame that the minimum moment is corresponding is defined as described termination key frame.
System as above, described 3rd acquisition module is additionally operable to, and determines that module will be with described described
Key frame corresponding to the absolute value of the difference of end time minimum moment be defined as described termination key frame it
After, obtain the abandon choosing corresponding with the moment of the maximum absolute value of the difference of described end time and terminate key frame;
Described display module is additionally operable to, and shows that described termination key frame and described abandoning are selected eventually in interactive interface
Only key frame;
Described first receiver module is additionally operable to, and receives the second gravity treatment instruction of user's input, according to described the
Two gravity treatment instructions abandon choosing termination key frame described in being updated to by described termination key frame.
System as above, described system also includes the second receiver module and authentication module, wherein,
Described second receiver module is used for, and to be edited regards what described first acquisition module obtained that user uploads
Before Pin, receiving the logging request of user's input, described logging request includes username and password;
Described authentication module is used for, and verifies described user name and described password, and to described use
After name in an account book and described password authentification success, accept described logging request.
The video editing method of embodiment of the present invention offer and system, when user needs to enter video to be edited
During edlin, video to be edited can be uploaded to video editing system by network by user, compiles at video
In the system of collecting editing video to be edited, user, without downloading special Video editing software, treats
Editor's video is edited, and simplifies user operation, and then improves Consumer's Experience, further, user
When carrying out video editing by video editing system, user has only to determine start frame in video to be edited
And abort frame, video editing system i.e. can determine that the starting keyframe and abort frame pair that start frame is corresponding
The termination key frame answered, and according to starting keyframe and termination key frame, video to be edited is edited,
To ensure that the video edited can be with normal play, in above process, user is relevant special without grasping
Industry technical ability, user only need to carry out shirtsleeve operation and can realize editing video to be edited, Jin Erti
High Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the video editing method that Fig. 1 provides for the present invention;
The structural representation of the video progress bar that Fig. 2 provides for the present invention;
The schematic flow sheet of the method obtaining start frame and abort frame that Fig. 3 provides for the present invention;
The schematic flow sheet of the method for the determination starting keyframe that Fig. 4 provides for the present invention;
Fig. 5 terminates the schematic flow sheet of the method for key frame for the determination that the present invention provides;
The terminal interface schematic diagram of the video editing method that Fig. 6 provides for the present invention;
The structural representation one of the video editing system that Fig. 7 provides for the present invention;
The structural representation two of the video editing system that Fig. 8 provides for the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
In embodiments of the present invention, when user needs to edit video to be edited, user can step on
Record video editing system, and video to be edited is uploaded to video editing system, and at video editing system
In video to be edited is edited, user is by editing video to be edited in video editing system
During, user has only to input original position and final position, video editing in video to be edited
System can automatically video to be edited is edited, and guarantee edited can normal play;?
In said process, user is without possessing relevant professional skill, and user needs to carry out being simply input operation
, solve in prior art, in carrying out video editing process, owing to user operation difficulty is big
The problem of the poor user experience caused.Below, by specific embodiment to the technical scheme shown in the application
It is described in detail.
The schematic flow sheet of the video editing method that Fig. 1 provides for the present invention, refer to Fig. 1, the method
May include that
The video to be edited that S101, acquisition user upload, is decoded video to be edited, treats to obtain
Editor's multiple key frames of including of video and moment corresponding to each key frame;
S102, obtain the start frame that determines in video to be edited of user and abort frame, and obtain start frame
Corresponding initial time and end time corresponding to abort frame;
S103, according to moment corresponding to each key frame and initial time, determine initial in multiple key frames
The starting keyframe that frame is corresponding, the moment corresponding according to each key frame and end time, at multiple key frames
The middle termination key frame determining that abort frame is corresponding;
S104, according to starting keyframe and terminate key frame, video to be edited is edited.
In actual application, any one video includes key frame and excessive frame, is carrying out video
During editor, the key frame position at video is needed video to be edited, if in the excessive frame position of video
Editing video, may result in the video after editor cannot normal play.
In embodiments of the present invention, when user needs to edit video, user can be by be edited
Video be uploaded to video editing system, optionally, user can by browser log in video editing system
System, further, for the ease of to log in this video editing system user profile be managed, with
Before family logs in video editing system, user can be entered in video editing system by username and password
Row registration, after user is registered by username and password, user can be by registered use
Name in an account book and this video editing system of password login.
After video editing system gets the video to be edited that user uploads, video editing system is permissible
Video to be edited is decoded, to obtain all key frames and each that video to be edited includes
When key frame is corresponding in video to be edited, when user needs to edit video to be edited,
User can determine start frame and abort frame in video to be edited, and optionally, user can be in client
Video to be edited is played out preview, and any one frame in video to be edited can be defined as by user
Beginning frame, this start frame can be key frame, it is also possible to for excessive frame.
After video editing system gets the start frame and abort frame that user determines, video editing system
According to start frame position in video to be edited, obtain the initial time that start frame is corresponding, and according to end
Only frame position in video to be edited, obtains abort frame correspondence end time, then, video editing system
Unite according to moment corresponding to key frame each in video to be edited and initial time, determine in multiple key frames
The starting keyframe that start frame is corresponding, video editing system is corresponding according to key frame each in video to be edited
Moment and end time, determine the termination key frame that end time is corresponding in multiple key frames, wherein,
The absolute value of the difference between moment and initial time that starting keyframe is corresponding is minimum, terminates key frame pair
The absolute value of the moment answered and the difference terminated between key frame is minimum.
After video editing system acquires starting keyframe and terminates key frame, video editing system
According to starting keyframe and termination key frame, video to be edited is edited, such as, video editing system
Starting keyframe and the video terminated between key frame can be extracted according to the actual demand of user,
The operations such as deletion.
Below, in conjunction with Fig. 2, by concrete example, the method shown in Fig. 1 embodiment is carried out specifically
Bright.
The structural representation of the video progress bar that Fig. 2 provides for the present invention, refer to Fig. 2, including progress
Bar 201 and progress bar 202, concrete:
Refer to progress bar 201, during video 1 total a length of 1 hour, within this video 1 every 3 seconds, be
One key frame, when user needs to edit video 1, video 1 is uploaded to video and compiles by user
The system of collecting, video 1, after getting video 1, is decoded by video editing system, obtains video
The 1 all key frames included and moment corresponding to each key frame, concrete, the key of video 1
The moment that frame is corresponding includes 3 seconds, 6 seconds, 9 seconds etc..
When user needs to edit video 1, user can play out preview to video 1, false
If user by preview video 1, determines needs to extract frame of video A to the video between frame of video B, then
Frame of video A is defined as start frame in video 1 by user, and frame of video B is defined as abort frame, is regarding
Frequently, after editing system gets start frame (frame of video A) and abort frame (frame of video B), video is compiled
The system of collecting obtains initial time corresponding to start frame (frame of video A) and abort frame (frame of video B)
Corresponding end time, it is assumed that the initial time that start frame (frame of video A) is corresponding is the 5th second, terminates
The end time that frame (frame of video B) is corresponding be the 30th point 7 seconds, then video editing system judging distance rises
Begin the key frame that moment (the 5th second) nearest key frame is the 6th second correspondence, distance end time (the
30 points 7 seconds) nearest key frame is the 30th point of 6 seconds corresponding key frame, then video editing system will
Within 6th second, corresponding key frame is defined as starting keyframe, is defined as by the 30th point of 6 seconds corresponding key frame
Terminate key frame, and the 6th second to the 30th point of video between 6 seconds is extracted.
Referring to progress bar 202, video editing system extracts, according to the edit operation of user, the video obtained
It it is the video between the 6th second to the 30th point 6 seconds.
The video editing method that the embodiment of the present invention provides, when user needs to edit video to be edited
Time, video to be edited can be uploaded to video editing system by network, at video editing system by user
In video to be edited is edited, user, without downloading special Video editing software, regards to be edited
Frequency is edited, and simplifies user operation, and then improves Consumer's Experience, further, user by regarding
Frequently, when editing system carries out video editing, user has only to determine start frame and termination in video to be edited
Frame, video editing system i.e. can determine that starting keyframe that start frame is corresponding and end corresponding to abort frame
Only key frame, and according to starting keyframe and termination key frame, video to be edited is edited, to ensure
The video edited can be with normal play, in above process, user without grasping relevant speciality technical ability,
And user only need to carry out shirtsleeve operation and can realize editing video to be edited, and then improve user
Experience.
On the basis of embodiment illustrated in fig. 1, optionally, video editing system can be by the most feasible
Implementation obtain the start frame that determines in video to be edited of user and abort frame (is implemented shown in Fig. 1
S102 in example), concrete, refer to embodiment illustrated in fig. 3.
The schematic flow sheet of the method obtaining start frame and abort frame that Fig. 3 provides for the present invention, refer to
Fig. 3, the method may include that
S301, video display region in interactive interface show video to be edited and video to be edited
Corresponding progress bar;
The original position that S302, reception user input in progress bar, by frame of video corresponding for original position
It is defined as start frame;
The final position that S303, reception user input in progress bar, by frame of video corresponding for final position
It is defined as abort frame.
In the embodiment shown in fig. 3, the video to be edited of user's input is got at video editing system
Afterwards, video editing system can show on interactive interface that video to be edited is corresponding with video to be edited
Progress bar, user can play out preview on interactive interface to video to be edited, and user is all right
Progress bar is carried out drag operation or clicking operation, so that showing the current of progress bar on interactive interface
The frame of video that progress is corresponding, during user carries out preview to video to be edited, user can enter
Degree bar inputs original position and final position, acquires original position and termination at video editing system
After position, frame of video corresponding for original position can be defined as start frame by video editing system, will be eventually
Stop bit is put the frame of video of correspondence and is defined as abort frame.
In above process, user can carry out preview on interactive interface to video to be edited, and in advance
During looking at, frame of video corresponding for any one picture of video playback can be defined as start frame and
Abort frame, this start frame and abort frame can be key frame, it is also possible to for excessive frame, user operation is simple
Convenient, further improve Consumer's Experience.
On the basis of any one embodiment above-mentioned, rising that video editing system gets that user determines
After beginning frame and abort frame, video editing system can determine initial pass by the most feasible implementation
Key frame and termination key frame, below, respectively video editing system is determined starting keyframe and terminates key
The process of frame is described in detail, concrete, refer to the embodiment shown in Fig. 4 and Fig. 5.
The schematic flow sheet of the method for the determination starting keyframe that Fig. 4 provides for the present invention, refer to Fig. 4,
The method may include that
S401, respectively multiple moment corresponding for multiple key frames and initial time are mated;
S402, judge whether multiple moment that multiple key frame is corresponding include initial time;
The most then perform S403;
If it is not, then perform S404-S406;
S403, start frame is defined as starting keyframe;
S404, in multiple moment that multiple key frames are corresponding, when determining first adjacent with initial time
Carve and the second moment;
The difference of S405, the difference obtaining the first moment and initial time and the second moment and initial time
Value;
S406, the key frame corresponding moment minimum with the absolute value of the difference of initial time is defined as
Beginning key frame.
In the embodiment shown in fig. 4, need to obtain the key frame that start frame is corresponding at video editing system
Time, moment corresponding for the multiple key frames in video and initial time are mated by video editing system,
Judge whether multiple moment that multiple key frame is corresponding include this initial time;
If multiple moment that the plurality of key frame is corresponding include this initial time, illustrate that start frame is and treat
Key frame in editor's video, then directly can be defined as starting keyframe by start frame.
If multiple moment that the plurality of key frame is corresponding do not include this initial time, illustrate that start frame is for treating
Excessive frame in editor's video, then need further to obtain the starting keyframe that this start frame is corresponding, tool
Body: video editing system, in multiple moment that multiple key frames are corresponding, obtains adjacent with initial time
The first moment and the second moment, obtain the most respectively the difference between the first moment and initial time, with
And the difference that second between moment and initial time, and by minimum with the absolute value of the difference of initial time
Key frame corresponding to moment is defined as starting keyframe.
On the basis of embodiment illustrated in fig. 4, after video editing system has determined starting keyframe,
User can also be allowed again to select, concrete: video editing system can also obtain and initial time
Moment corresponding the abandoning of maximum absolute value of difference select starting keyframe, and show in interactive interface
Beginning key frame and abandon and select starting keyframe, if user thinks the initial key that video editing system automatically determines
Frame is wrong, and user can also input the first gravity treatment instruction, receives user's input at video editing system
After first gravity treatment instruction, instruct to be updated to abandon by starting keyframe according to the first gravity treatment and select starting keyframe.
It is exemplary, it is assumed that the initial time that start frame that user determines in video 1 is corresponding is the 30th second,
Assume again that the moment that the multiple key frames in video 1 are corresponding does not include the 30th second, then illustrate that this start frame is
Excessively frame, then video editing system obtains first moment adjacent with the 30th second and the second moment, it is assumed that the
One moment was the 29th second, and the second moment was the 32nd second, then video editing system obtains the first moment (
29 seconds) and initial time (the 30th second) between the absolute value (1 second) of difference and the second moment
The absolute value (2 seconds) of the difference between (the 32nd second) initial time (the 30th second), due to first
The absolute value of the difference between moment and initial time is minimum, then determined by the key frame corresponding first moment
For starting keyframe, accordingly, the key frame that the second moment is corresponding selects starting keyframe for abandoning.
After the key frame corresponding first moment is defined as starting keyframe by video editing system, video
Editing system can also show key frame (starting keyframe) and corresponding to the first moment at interactive interface
The key frame (abandon and select starting keyframe) that two moment are corresponding, if user thinks what video editing system determined
Starting keyframe with or without, then user can input in interactive interface first gravity treatment instruction, in video editing
After system receives the first gravity treatment instruction, video editing system then can be by the second moment correspondence key frame
(abandon and select starting keyframe) redefines as starting keyframe.
In above process, the start frame that video editing system determines according to user can automatically obtain this
The starting keyframe that beginning frame is corresponding, this starting keyframe is the pass that the time difference between start frame is minimum
Key frame, it is not necessary to user determines starting keyframe in video to be edited, and then improves Consumer's Experience, enters one
Step, video editing system can also show, to user, the starting keyframe that determine, thinks video user
When starting keyframe that editing system automatically determines is improper, it is also possible to gravity treatment starting keyframe, improve
User carries out the initiative of video editing, further improves Consumer's Experience.
Fig. 5 terminates the schematic flow sheet of the method for key frame for the determination that the present invention provides, and refer to Fig. 5,
The method may include that
S501, respectively multiple moment corresponding for multiple key frames and end time are mated;
S502, judge whether multiple moment that multiple key frame is corresponding include end time;
The most then perform S503;
If it is not, then perform S504-S506;
S503, abort frame is defined as terminate key frame;
S504, in multiple moment that multiple key frames are corresponding, when determining threeth adjacent with end time
Carve and the 4th moment;
The difference of S505, the difference obtaining the 3rd moment and end time and the 4th moment and end time
Value;
S506, the key frame corresponding moment minimum with the absolute value of the difference of end time is defined as end
Only key frame.
It should be noted that the determination shown in Fig. 5 embodiment terminates process and Fig. 4 embodiment of key frame
The middle process determining starting keyframe is similar to, and the most no longer repeats.
On the basis of embodiment illustrated in fig. 5, after video editing system has determined termination key frame,
User can also be allowed again to select, concrete: the maximum absolute value of the difference of acquisition and end time
Moment corresponding abandon choosing terminate key frame, in interactive interface show terminate key frame and abandon choosing terminate close
Key frame, if user thinks that the termination key frame that video editing system automatically determines is wrong, user can also be defeated
Enter the second gravity treatment instruction, after video editing system receives the second gravity treatment instruction of user's input, root
According to the second gravity treatment instruction, termination key frame is updated to abandon choosing and terminates key frame.
Below, in conjunction with the terminal interface schematic diagram shown in Fig. 6, to the video editing shown in above-described embodiment
Method is described in detail.
The terminal interface schematic diagram of the video editing method that Fig. 6 provides for the present invention, refer to Fig. 6, bag
Include 601-interface, interface 606, concrete:
In interface 601, interface 601 is the login page of video editing system, when user needs to carry out
During video editing, user can log in video editing system by browser, includes using at login page
Name in an account book and password, user can by registered username and password log in video editing system, with
After family has inputted username and password, by " login " button in this page is carried out clicking operation,
To enter interface 602.
In interface 602, including " video is uploaded " button, this " video is uploaded " button can be entered by user
Row clicking operation, to realize local video being uploaded to video editing system, wherein, in interface 602
Also including list of videos, what this list of videos included that user is uploaded in this video editing system all regards
Frequently, the video in list of videos can be deleted, be derived to operations such as this locality, when on user by user
After passing new video, upload in successful video then list of videos and show, it is assumed that user uploads video 3,
When user needs to edit video 3, user can carry out clicking operation to video 3, to enter
The interface 603 that video 3 is edited.
In interface 603, including video 3 and the progress bar of video 3 correspondence, user can be at interface 603
In video 3 is played out preview, meanwhile, progress bar can also be pulled by user, the behaviour such as click
Make, to realize showing the different video frame in video 3 in interface 603, also include " rising in interface 603
Beginning frame ", " abort frame " button, when user's preview video 3, " start frame " can be clicked on by user
Operation, to realize any frame of video in video 3 is defined as start frame, it is assumed that user needs video
Frame A is defined as start frame, then, when video 3 is play to frame of video A, " start frame " can be pressed by user
Button carries out clicking operation, to realize frame of video A is defined as start frame.
In interface 604, similar with interface 603, when user needs frame of video B is defined as abort frame
Time, then when video 3 is play to frame of video B, user can carry out clicking operation to " abort frame " button,
To realize frame of video B is defined as abort frame.
In interface 605, after user has inputted start frame and abort frame, when user needs to extract
During video between frame of video A frame of video B, user can carry out clicking operation to " extraction " button,
So that video editing system can start the start frame that determines according to user and video 3 is carried out by abort frame
Edit operation, concrete, video editing system, according to the method described in said method embodiment, obtains
The starting keyframe A1 that beginning frame A is corresponding, the termination key frame B1 that acquisition abort frame B is corresponding, and according to
Video 3 is edited by starting keyframe A1 and termination key frame B1, the video 3 after being edited.
In interface 606, user can be with the video 3 after preview editor, and the video 3 after editor has included
Beginning key frame A1 is to the video terminated between key frame B1.
It should be noted that video can also be deleted by video editing system, the operation such as merging,
Implement process similar with the process that video is extracted, the most no longer repeat.
The structural representation one of the video editing system that Fig. 7 provides for the present invention, refer to Fig. 7, and this is
System may include that
First acquisition module 701, for obtaining the video to be edited that user uploads;
Decoder module 702, for being decoded video to be edited, includes obtaining video to be edited
Multiple key frames and moment corresponding to each key frame;
Second acquisition module 703, for obtaining start frame and the termination that user determines in video to be edited
Frame, and obtain initial time corresponding to start frame and end time corresponding to abort frame;
Determine module 704, for the moment corresponding according to each key frame and initial time, in multiple keys
Frame determines the starting keyframe that start frame is corresponding, the moment corresponding according to each key frame and end time,
The termination key frame that abort frame is corresponding is determined in multiple key frames;
Editor module 705, for according to starting keyframe and termination key frame, carrying out video to be edited
Editor.
Video editing system shown in the embodiment of the present invention can perform the technology shown in said method embodiment
Scheme, it realizes principle and beneficial effect is similar to, and the most no longer repeats.
In a kind of possible embodiment, the second acquisition module 703 specifically for:
Video display region in interactive interface shows that video to be edited and video to be edited are corresponding
Progress bar;
Receive the original position that user inputs in progress bar, frame of video corresponding for original position is defined as
Start frame;
Receive the final position that user inputs in progress bar, frame of video corresponding for final position is defined as
Abort frame.
In alternatively possible embodiment, determine module 704 specifically for:
Respectively multiple moment corresponding for multiple key frames and initial time are mated;
Judge whether multiple moment that multiple key frame is corresponding include initial time;
The most then start frame is defined as starting keyframe;
If it is not, then in multiple moment that multiple key frames are corresponding, determine first adjacent with initial time
Moment and the second moment, obtain the difference of the first moment and initial time and the second moment with time initial
The difference carved, and the key frame corresponding moment minimum with the absolute value of the difference of initial time is defined as
Starting keyframe.
The structural representation two of the video editing system that Fig. 8 provides for the present invention, in embodiment illustrated in fig. 7
On the basis of, refer to Fig. 8, this system also includes the 3rd acquisition module 706, display module 707 and
One receiver module 708, wherein,
3rd acquisition module 706 is used for, and is determining that module 704 is by the absolute value with the difference of initial time
After key frame corresponding to minimum moment is defined as starting keyframe, obtain difference with initial time
Starting keyframe is selected in moment corresponding the abandoning of maximum absolute value;
Display module 707 is used for, and shows starting keyframe and select starting keyframe with abandoning in interactive interface;
First receiver module 708 is used for, and receives the first gravity treatment instruction of user's input, according to the first gravity treatment
Starting keyframe is updated to abandon by instruction selects starting keyframe.
In alternatively possible embodiment, determine module 704 specifically for:
Respectively multiple moment corresponding for multiple key frames and end time are mated;
Judge whether multiple moment that multiple key frame is corresponding include end time;
The most then it is defined as abort frame terminating key frame;
If it is not, then in multiple moment that multiple key frames are corresponding, determine threeth adjacent with end time
Moment and the 4th moment, when obtaining difference and the 4th moment in the 3rd moment and end time and terminate
The difference carved, and the key frame corresponding moment minimum with the absolute value of the difference of end time is defined as
Terminate key frame.
In alternatively possible embodiment, the 3rd acquisition module 706 is additionally operable to, and is determining that module will
Key frame corresponding to the moment minimum with the absolute value of the difference of end time be defined as terminating key frame it
After, obtain the abandon choosing corresponding with the moment of the maximum absolute value of the difference of end time and terminate key frame;
Display module 707 is additionally operable to, and shows and terminate key frame and abandon choosing terminating key frame in interactive interface;
First receiver module 708 is additionally operable to, and receives the second gravity treatment instruction of user's input, according to the second weight
Termination key frame is updated to abandon choosing and terminates key frame by choosing instruction.
Further, this system also includes the second receiver module 709 and authentication module 710, wherein,
Second receiver module 709 is used for, and to be edited regards what the first acquisition module 701 obtained that user uploads
Before Pin, receiving the logging request of user's input, logging request includes username and password;
Authentication module 710 is used for, and verifies username and password, and is testing username and password
After demonstrate,proving successfully, accept logging request.
Video editing system shown in the embodiment of the present invention can perform the technology shown in said method embodiment
Scheme, it realizes principle and beneficial effect is similar to, and the most no longer repeats.
One of ordinary skill in the art will appreciate that: realize all or part of step of above-mentioned each method embodiment
Suddenly can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer can
Read in storage medium.This program upon execution, performs to include the step of above-mentioned each method embodiment;And
Aforesaid storage medium includes: ROM, RAM, magnetic disc or CD etc. are various can store program code
Medium.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits;Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent;And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a video editing method, it is characterised in that including:
Obtain the video to be edited that user uploads, described video to be edited is decoded, described to obtain
Multiple key frames that video to be edited includes and moment corresponding to each described key frame;
Obtain start frame and abort frame that user determines in described video to be edited, and obtain described initial
Initial time that frame is corresponding and end time corresponding to described abort frame;
The moment corresponding according to each described key frame and described initial time, in the plurality of key frame really
The starting keyframe that fixed described start frame is corresponding, the moment corresponding according to each described key frame and described termination
In the moment, the plurality of key frame determines the termination key frame that described abort frame is corresponding;
According to described starting keyframe and described termination key frame, described video to be edited is edited.
Method the most according to claim 1, it is characterised in that described acquisition user compiles described waiting
Collect the start frame and abort frame determined in video, including:
Video display region in interactive interface shows described video to be edited and described to be edited regards
The progress bar that frequency is corresponding;
Receive the original position that user inputs in described progress bar, by video corresponding for described original position
Frame is defined as described start frame;
Receive the final position that user inputs in described progress bar, by video corresponding for described final position
Frame is defined as described abort frame.
Method the most according to claim 1 and 2, it is characterised in that described according to each described key
Moment that frame is corresponding and described initial time, determine that in the plurality of key frame described start frame is corresponding
Starting keyframe, including:
Respectively multiple moment corresponding for the plurality of key frame and described initial time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described initial time;
The most described start frame is defined as described starting keyframe;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described initial time phase
The first adjacent moment and the second moment, obtain described first moment and described initial time difference and
Described second moment and the difference of described initial time, and by the absolute value with the difference of described initial time
The key frame that the minimum moment is corresponding is defined as described starting keyframe.
Method the most according to claim 3, it is characterised in that by the difference with described initial time
After key frame corresponding to the absolute value of value minimum moment is defined as described starting keyframe, also include:
Obtain the abandon choosing corresponding with the moment of the maximum absolute value of the difference of described initial time and initiate key
Frame;
In interactive interface, show that described starting keyframe and described abandoning select starting keyframe;
Receive the first gravity treatment instruction of user's input, instruct described initial key according to described first gravity treatment
Frame is abandoned and is selected starting keyframe described in being updated to.
Method the most according to claim 1 and 2, it is characterised in that described according to each described key
Moment that frame is corresponding and described end time, determine that in the plurality of key frame described abort frame is corresponding
Terminate key frame, including:
Respectively multiple moment corresponding for the plurality of key frame and described end time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described end time;
The most described abort frame is defined as described termination key frame;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described end time phase
The 3rd adjacent moment and the 4th moment, obtain described 3rd moment and described end time difference and
Described 4th moment and the difference of described end time, and by the absolute value with the difference of described end time
The key frame that the minimum moment is corresponding is defined as described termination key frame.
Method the most according to claim 5, it is characterised in that by the difference with described end time
After key frame corresponding to the absolute value of value minimum moment is defined as described termination key frame, also include:
Obtain the abandon choosing corresponding with the moment of the maximum absolute value of the difference of described end time and terminate key
Frame;
In interactive interface, show that described termination key frame and described abandoning select termination key frame;
Receive the second gravity treatment instruction of user's input, terminate key according to described second gravity treatment instruction by described
Frame abandons choosing termination key frame described in being updated to.
Method the most according to claim 1 and 2, it is characterised in that state and obtain treating of uploading of user
Before editor's video, also include:
Receiving the logging request of user's input, described logging request includes username and password;
Described user name and described password are verified;
After to described user name and described password authentification success, accept described logging request.
8. a video editing system, it is characterised in that including:
First acquisition module, for obtaining the video to be edited that user uploads;
Decoder module, for being decoded described video to be edited, to obtain in described video to be edited
Including multiple key frames and moment corresponding to each described key frame;
Second acquisition module, for obtaining start frame and the termination that user determines in described video to be edited
Frame, and obtain initial time corresponding to described start frame and end time corresponding to described abort frame;
Determine module, for the moment corresponding according to each described key frame and described initial time, described
Multiple key frames determine the starting keyframe that described start frame is corresponding, corresponding according to each described key frame
Moment and described end time, determine that in the plurality of key frame the termination that described abort frame is corresponding is crucial
Frame;
Editor module, for according to described starting keyframe and described termination key frame, to described to be edited
Video is edited.
System the most according to claim 8, it is characterised in that described second acquisition module is specifically used
In:
Video display region in interactive interface shows described video to be edited and described to be edited regards
The progress bar that frequency is corresponding;
Receive the original position that user inputs in described progress bar, by video corresponding for described original position
Frame is defined as described start frame;
Receive the final position that user inputs in described progress bar, by video corresponding for described final position
Frame is defined as described abort frame.
System the most according to claim 8 or claim 9, it is characterised in that described determine that module is concrete
For:
Respectively multiple moment corresponding for the plurality of key frame and described initial time are mated;
Judge whether multiple moment that the plurality of key frame is corresponding include described initial time;
The most described start frame is defined as described starting keyframe;
If it is not, then in multiple moment that the plurality of key frame is corresponding, determine and described initial time phase
The first adjacent moment and the second moment, obtain described first moment and described initial time difference and
Described second moment and the difference of described initial time, and by the absolute value with the difference of described initial time
The key frame that the minimum moment is corresponding is defined as described starting keyframe.
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