CN112995755A - Automatic editing method for screen recording - Google Patents
Automatic editing method for screen recording Download PDFInfo
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- CN112995755A CN112995755A CN202110224646.8A CN202110224646A CN112995755A CN 112995755 A CN112995755 A CN 112995755A CN 202110224646 A CN202110224646 A CN 202110224646A CN 112995755 A CN112995755 A CN 112995755A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002194 synthesizing effect Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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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
- H04N21/43—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
- H04N21/44016—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 involving splicing one content stream with another content stream, e.g. for substituting a video clip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The invention designs a screen recording automatic clipping method and system software, the system firstly detects and records the time points of mouse, keyboard and sound input, then analyzes the time points, automatically judges which segments in the screen recording are invalid segments, and finally automatically clips the invalid screen recording segments, thereby leading the recorded video to be more concise.
Description
Technical Field
The invention relates to the technical field of screen recording, in particular to an automatic editing method for screen recording.
Background
In daily work, we often need to record a screen. When a screen is recorded, the situation that the recording process is discontinuous, such as blocking and the like, sometimes occurs, and particularly when related information is required to be input by a keyboard, if the input speed is slow or the screen is blocked during input, the recorded video contains more invalid segments, which is not concise enough, and the video quality is reduced. This is especially true when a large amount of input is required over a long period of time, such as in a MOOC recording a computer programming language class course. This results in a large workload of video clips after screen recording, which increases the production cost.
Disclosure of Invention
In order to avoid the problems, the invention designs a screen recording automatic clipping method and system software, the system firstly detects and records the time points of mouse, keyboard and sound input, then analyzes the time points, automatically judges which segments in the screen recording are invalid segments, and finally automatically clips the invalid screen recording segments, thereby leading the recorded video to be more concise.
A screen recording automatic clipping method mainly automatically judges invalid segments through input information and automatically clips the invalid segments, and the details are as follows:
s1, recording time points of various inputs (including but not limited to keyboard input, mouse input and voice input) during screen recording;
s2, determining invalid segments in a screen recording according to a preset judgment standard;
s3, determining an automatic discrimination algorithm according to the discrimination standard of the invalid segment, and automatically identifying the invalid input segment by the system according to the algorithm;
and S4, automatically cutting invalid segments by the system.
It should be noted that, sometimes, in order to make the clipped video more natural and smooth, most of the invalid segments may be cut off, and the invalid segments with the necessary short time are retained, for example, the invalid segments with the time duration of 10 seconds are retained, and the system may automatically cut off the invalid segments with the time duration of 9 seconds and retain the invalid segments with the time duration of 1 second, which is more natural.
In order to improve the accuracy and efficiency of the system for determining invalid segments, a screen recording method can be divided into the following steps: for convenience of operation, the screen recording in the keyboard input mode and the screen recording in the non-keyboard input mode can be quickly switched between the keyboard input mode and the screen recording in the non-keyboard input mode by using a shortcut key or a mouse click mode.
The criteria for judging invalid segments can be formulated according to the specific needs of screen recording, for example, the criteria can be judged as follows:
s1, in a keyboard input mode: treating the interval of two (or more) keyboard entries without voice entry as an invalid video clip
S2, in a non-keyboard input mode: if the voice input of the mouse, the keyboard and the recorder does not exist within T seconds, the system judges the voice input as an invalid segment. (the above is merely one criterion we exemplify, but not limited to).
A screen-recording automatic editing apparatus, comprising:
the first recording module is used for recording start and stop time points when a user records a screen, and when the user clicks a recording button, the first recording module starts to work to acquire invalid segments in the screen;
the acquisition method comprises the following steps: in the keyboard input mode, the time interval of two or more times of keyboard input without voice input is regarded as an invalid screen recording segment; or, in the non-keyboard input mode, if no voice input of a mouse, a keyboard and a recorder occurs within T seconds, the system judges the input as an invalid segment;
the second recording module is used for sending a clipping rule information request to the server and receiving different clipping rule information issued by the server to the user based on the screen recording state;
the clipping module is configured to clip most of the invalid segments according to the obtained clipping rule information, that is, to make the clipped video more natural and smooth, and keep the invalid segments in a necessary short time, for example, the invalid segments have a time duration of 10 seconds, and the system may automatically clip the invalid segments in a time duration of 9 seconds and keep the invalid segments in a time duration of 1 second, which is more natural.
The storage module is used for synthesizing the edited video segments and storing and/or sharing the synthesized video segments; or, each clipped video segment is stored and/or shared respectively.
The device is applied to record computer programming language class courses MOOC.
The invention has the beneficial effects that: according to the automatic screen recording editing method and system software, the system firstly detects and records the time points of mouse, keyboard and voice input, then analyzes the time points, automatically judges which segments in the screen recording are invalid segments, and finally automatically cuts the invalid screen recording segments, so that the recorded video is more concise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A screen recording automatic clipping method mainly automatically judges invalid segments through input information and automatically clips the invalid segments, and the details are as follows:
s1, recording time points of various inputs (including but not limited to keyboard input, mouse input and voice input) during screen recording;
s2, determining invalid segments in a screen recording according to a preset judgment standard;
s3, determining an automatic discrimination algorithm according to the discrimination standard of the invalid segment, and automatically identifying the invalid input segment by the system according to the algorithm;
and S4, automatically cutting invalid segments by the system.
It should be noted that, sometimes, in order to make the clipped video more natural and smooth, most of the invalid segments may be cut off, and the invalid segments with the necessary short time are retained, for example, the invalid segments with the time duration of 10 seconds are retained, and the system may automatically cut off the invalid segments with the time duration of 9 seconds and retain the invalid segments with the time duration of 1 second, which is more natural.
In order to improve the accuracy and efficiency of the system for determining invalid segments, a screen recording method can be divided into the following steps: for convenience of operation, the screen recording in the keyboard input mode and the screen recording in the non-keyboard input mode can be quickly switched between the keyboard input mode and the screen recording in the non-keyboard input mode by using a shortcut key or a mouse click mode.
The criteria for judging invalid segments can be formulated according to the specific needs of screen recording, for example, the criteria can be judged as follows:
s1, in a keyboard input mode: treating the interval of two (or more) keyboard entries without voice entry as an invalid video clip
S2, in a non-keyboard input mode: if the voice input of the mouse, the keyboard and the recorder does not exist within T seconds, the system judges the voice input as an invalid segment. (the above is merely one criterion we exemplify, but not limited to).
A screen-recording automatic editing apparatus, comprising:
the first recording module is used for recording start and stop time points when a user records a screen, and when the user clicks a recording button, the first recording module starts to work to acquire invalid segments in the screen;
the acquisition method comprises the following steps: in the keyboard input mode, the time interval of two or more times of keyboard input without voice input is regarded as an invalid screen recording segment; or, in the non-keyboard input mode, if no voice input of a mouse, a keyboard and a recorder occurs within T seconds, the system judges the input as an invalid segment;
the second recording module is used for sending a clipping rule information request to the server and receiving different clipping rule information issued by the server to the user based on the screen recording state;
the clipping module is configured to clip most of the invalid segments according to the obtained clipping rule information, that is, to make the clipped video more natural and smooth, and keep the invalid segments in a necessary short time, for example, the invalid segments have a time duration of 10 seconds, and the system may automatically clip the invalid segments in a time duration of 9 seconds and keep the invalid segments in a time duration of 1 second, which is more natural.
The storage module is used for synthesizing the edited video segments and storing and/or sharing the synthesized video segments; or, each clipped video segment is stored and/or shared respectively.
The device is applied to record computer programming language class courses MOOC.
The method mainly automatically judges invalid segments through input information and automatically cuts the invalid segments, and the details are as follows:
s1, starting screen recording in a non-keyboard input mode, starting screen recording, and respectively recording the following start and stop time points: no mouse movement occurred for more than t1 seconds; no keyboard input for more than t2 seconds; no language input for more than t3 seconds; the system determines it as an invalid fragment.
S2, starting a screen recording function in a keyboard input mode, pausing recording, monitoring keyboard input and sound, and recording time points of the keyboard input and the sound input; regarding the time interval of two (or more) keyboard inputs without voice input as an invalid screen recording segment;
s3, determining an automatic discrimination algorithm according to the discrimination standard of the invalid segment, and automatically identifying the invalid input segment by the system according to the algorithm;
and S4, automatically cutting invalid segments by the system.
It should be noted that, sometimes, in order to make the clipped video more natural and smooth, most of the invalid segments may be cut off, and the invalid segments with the necessary short time are retained, for example, the invalid segments with the time duration of 10 seconds are retained, and the system may automatically cut off the invalid segments with the time duration of 9 seconds and retain the invalid segments with the time duration of 1 second, which is more natural.
For example:
in the screen recording process in the non-keyboard input mode, if the screen recorder does not have the voice input of a mouse, a keyboard and the recorder for a long time due to insufficient preparation or psychological stress and the like, the system judges the screen recorder as an invalid segment.
In the screen recording process in the keyboard input mode, if the keyboard input speed is slow due to the reasons that a recorder clicks the keyboard while thinking and the like, the system automatically regards the time interval of two times of keyboard input as an invalid segment and deletes the invalid segment; sometimes, due to an input error and the like, a recorder deletes the error input by using a Backspace (or delete) key, and at the moment, the system automatically judges the deletion operation as an invalid segment; in addition, in many cases, the content of each input is not required to be displayed one by one, and a plurality of (for example, 6) inputs can be put together and displayed at one time, so that a plurality of (for example, 7) keyboard input time interval segments can be regarded as invalid segments.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A screen recording automatic clipping method is characterized by comprising the following steps:
s1, recording time points of various inputs during screen recording;
s2, determining invalid segments in a screen recording according to a preset judgment standard;
s3, determining an automatic discrimination algorithm according to the discrimination standard of the invalid segment, and automatically identifying the invalid input segment by the system according to the algorithm;
s4, the system automatically clips invalid segments to obtain clipped videos;
and S5, storing the clipped video.
2. The screen-recording automatic clipping method according to claim 1, characterized in that: the screen recording is divided into a screen recording under a keyboard input mode and a screen recording under a non-keyboard input mode.
3. The screen-recording automatic clipping method according to claim 2, characterized in that: the recording screen in the non-keyboard input mode comprises mouse input and/or sound input.
4. The screen-recording automatic clipping method according to claim 2, characterized in that: the screen recording in the keyboard input mode and the screen recording in the non-keyboard input mode can be quickly switched between the keyboard input mode and the non-keyboard input mode by using a shortcut key or a mouse click mode.
5. The screen-recording automatic clipping method according to claim 3 or 4, characterized in that: the criteria for invalid fragments are determined as follows:
s1, in a keyboard input mode: regarding the time interval of two or more keyboard inputs without voice input as an invalid screen recording segment;
s2, in a non-keyboard input mode: if the voice input of the mouse, the keyboard and the recorder does not exist within T seconds, the system judges the voice input as an invalid segment.
6. The screen-recording automatic clipping method according to claim 5, characterized in that: in order to make the clipped video more natural and smooth, most of the invalid segments can be cut off, the invalid segments with a necessary short time are reserved, for example, the invalid segments with a time length of 10 seconds are reserved, the system can automatically cut off the invalid segments with a time length of 9 seconds, and the invalid segments with a time length of 1 second are reserved, so that the video is more natural.
7. The screen-recording automatic clipping method according to claim 6, further comprising: and synthesizing each cut segment, and storing and/or sharing the synthesized segment.
8. The screen-recording automatic clipping method according to claim 6, further comprising: and respectively storing and/or sharing each clipped segment.
9. A screen-recording automatic editing apparatus, comprising:
the first recording module is used for recording start and stop time points when a user records a screen, and when the user clicks a recording button, the first recording module starts to work to acquire invalid segments in the screen;
the acquisition method comprises the following steps: in the keyboard input mode, the time interval of two or more times of keyboard input without voice input is regarded as an invalid screen recording segment; or, in the non-keyboard input mode, if no voice input of a mouse, a keyboard and a recorder occurs within T seconds, the system judges the input as an invalid segment;
the second recording module is used for sending a clipping rule information request to the server and receiving different clipping rule information issued by the server to the user based on the screen recording state;
the clipping module is configured to clip most of the invalid segments according to the obtained clipping rule information, that is, to make the clipped video more natural and smooth, and keep the invalid segments in a necessary short time, for example, the invalid segments have a time duration of 10 seconds, and the system may automatically clip the invalid segments in a time duration of 9 seconds and keep the invalid segments in a time duration of 1 second, which is more natural.
The storage module is used for synthesizing the edited video segments and storing and/or sharing the synthesized video segments; or each clipped video segment is stored and/or shared respectively.
10. Use of the apparatus according to claim 9 for recording a computer programming language class course MOOC.
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| CN202110224646.8A CN112995755A (en) | 2021-03-01 | 2021-03-01 | Automatic editing method for screen recording |
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| CN202110224646.8A CN112995755A (en) | 2021-03-01 | 2021-03-01 | Automatic editing method for screen recording |
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| CN111508531A (en) * | 2020-04-23 | 2020-08-07 | 维沃移动通信有限公司 | Audio processing method and device |
-
2021
- 2021-03-01 CN CN202110224646.8A patent/CN112995755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007226455A (en) * | 2006-02-22 | 2007-09-06 | Just Syst Corp | Lesson management device and lesson management method |
| CN106803987A (en) * | 2015-11-26 | 2017-06-06 | 腾讯科技（深圳）有限公司 | The acquisition methods of video data, device and system |
| CN108156407A (en) * | 2017-12-13 | 2018-06-12 | 深圳市金立通信设备有限公司 | A kind of video clipping method and terminal |
| CN108881767A (en) * | 2018-07-17 | 2018-11-23 | 广州飞磨科技有限公司 | A method of record shields terminal system and realizes record screen using its |
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