CN114666668A - Video playback method, system, equipment and storage medium - Google Patents
Video playback method, system, equipment and storage medium Download PDFInfo
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- CN114666668A CN114666668A CN202210269634.1A CN202210269634A CN114666668A CN 114666668 A CN114666668 A CN 114666668A CN 202210269634 A CN202210269634 A CN 202210269634A CN 114666668 A CN114666668 A CN 114666668A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004364 calculation method Methods 0.000 claims abstract description 8
- 238000004590 computer program Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 4
- 238000012550 audit Methods 0.000 description 3
- 101100264195 Caenorhabditis elegans app-1 gene Proteins 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000004519 manufacturing process 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
- H04N21/47—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
- H04N21/47217—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 controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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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
- H04N21/4728—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 selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
Abstract
The invention discloses a video playback method, a system, equipment and a storage medium, wherein the video playback method comprises the following steps: acquiring an event log and a screen video, and acquiring a video playback request; matching a corresponding video playback mode to perform video playback based on the obtained playback request; the video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode. The invention is convenient to play back the recorded screen content on the large screen on the small screen, and keeps the definition to the maximum extent.
Description
Technical Field
The invention relates to a video playback method, a video playback system, video playback equipment and a storage medium, and belongs to the technical field of security audit.
Background
In order to ensure the compliance of the business executed by business personnel on a computer, the complete process of actual operation is generally recorded in a screen recording mode, so that the audit is convenient afterwards. The screen recording mode is mature, and the format capable of being stored is very many, so that the screen recording method is widely applied. Many monitoring and auditing systems store a large amount of video content that can be viewed at any time.
The general screen recording software does not consider the problem of screen resolution adaptation, and if the recorded screen resolution is small, but the screen resolution of a computer used in the playback is large, the playback does not have any problem. If the resolution of the played back video is contrary, for example, the video is recorded on a 4K resolution PC screen and played back on a 720P resolution mobile phone screen, the resolution of the played back video has to be reduced to the resolution of the mobile phone, the content on the screen is difficult to see clearly, and the post-audit and video content positioning are inconvenient.
Disclosure of Invention
The present invention is directed to overcome the deficiencies in the prior art and provide a video playback method, system, device and storage medium, which facilitate playback of recorded content on a large screen on a small screen and maintain the definition to the maximum extent. In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides a video playback method, including:
acquiring an event log and a screen video, and acquiring a video playback request;
matching a corresponding video playback mode to perform video playback based on the obtained playback request; the video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
With reference to the first aspect, further, the acquiring the event log and the screen recording includes:
starting a screen recorder and a system event monitor;
starting screen recording, and recording the number and the position of screens;
when a system event is monitored, recording the positions of a cursor and a mouse, and the title and the position of a window;
and ending screen recording and stopping system event monitoring.
With reference to the first aspect, further, the split screen mode is:
and extracting the content of the appointed screen from the screen video for playback according to the acquired playback request.
With reference to the first aspect, further, the window mode is:
reading a specified application name from the acquired playback request;
searching all time points and occurrence areas of the application from the event log according to the application name;
and extracting the content of the appearing area from the screen video for playback.
With reference to the first aspect, further, if the application specified at a certain time point does not appear, the screen recording at the time point is blank, and the content at the time point is automatically skipped during playback.
With reference to the first aspect, further, the cursor following mode is:
determining the size of a preset following area according to the acquired playback request;
extracting the position of the cursor at each time point from the event log;
determining a cursor area of each time point based on the position of the cursor and the size of the following area;
and extracting the content of the cursor area from the screen video for playback.
With reference to the first aspect, preferably, the normal mode is: playback of the entire area of the screen recording.
In a second aspect, the present invention provides a video playback system comprising:
an acquisition module: the system comprises a video processing module, a video playing module and a video playing module, wherein the video processing module is used for acquiring an event log and a screen video and acquiring a video playback request;
a playback module: the video playback module is used for matching the corresponding video playback mode to perform video playback based on the acquired playback request; the video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
With reference to the second aspect, the system further comprises a server, wherein the server is used for storing the event log and the screen recording.
With reference to the second aspect, preferably, the server is connected to the playback module.
With reference to the second aspect, preferably, the obtaining module includes a screen recorder and a system event listener connected to the server;
the screen recorder is used for recording a screen;
the system event listener is used for monitoring system events.
With reference to the second aspect, preferably, the obtaining module further includes an interaction module connected to the playback module; the interaction module is used for acquiring a video playback request.
In a third aspect, the present invention provides a playback device comprising a processor and a storage medium;
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method of the first aspect.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of the first aspect.
Compared with the prior art, the video playback method, the system, the equipment and the storage medium provided by the embodiment of the invention have the beneficial effects that:
the method comprises the steps of obtaining an event log and a screen video and obtaining a video playback request; and matching the corresponding video playback mode for video playback based on the acquired playback request. The video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode. According to the invention, the content of the region of interest can be dynamically displayed instead of all screen contents according to the needs of the user, so that the screen recording content on a large screen can be conveniently played back on a small screen; the invention can maintain the definition to the maximum degree no matter the resolution of the recorded screen is high or low.
Drawings
Fig. 1 is a flowchart of a video playback method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a normal mode in a video playback method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a split screen mode in a video playback method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a window mode in a video playback method according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a cursor following mode in a video playback method according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1, an embodiment of the present invention provides a video playback method, including:
acquiring an event log and a screen video, and acquiring a video playback request;
matching a corresponding video playback mode to perform video playback based on the acquired playback request; the video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
Step 1: and acquiring an event log and a screen video.
Step 1.1: and starting a screen recorder and a system event monitor.
In the present embodiment, the screen recorder is a recorder based on the RDP protocol, and is capable of recording all RDP data representing screen changes. And the system event listener acquires all window information and keyboard and mouse events through the windows original input API.
Step 1.2: and starting screen recording, and recording the number and the position of the screens.
Step 1.3: upon monitoring system events, the cursor and mouse position, as well as the title and position of the window, are recorded.
Step 1.4: and ending screen recording and stopping system event monitoring.
And 2, step: a video playback request is obtained.
And step 3: and matching the corresponding video playback mode to perform video playback based on the acquired playback request.
The video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event logs in an auxiliary mode, and the playback area with the determined size is selected from the screen recording for video playback.
The video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
The conventional mode is: playback of the entire area of the screen recording. The size of the playback video is equal to the size at the time of recording. As shown in fig. 2, the screen recording includes a screen 1, a screen 2, and a screen 3, and the entire areas of the screen recording, i.e., the playback screen 1, the screen 2, and the screen 3, are played back.
The split screen mode is as follows: and extracting the content of the appointed screen from the screen video for playback according to the acquired playback request. The size of the playback video is equal to the size of the designated video playback zone. As shown in fig. 3, the screen recording includes a screen 1, a screen 2, and a screen 3, and the playback request specifies playback of the screen 1, and the content of the screen 1 is extracted from the screen recording and played back.
The window mode is: reading a specified application name from the acquired playback request; searching all time points and occurrence areas of the application from the event log according to the application name; and extracting the content of the appearing area from the screen video for playback. As shown in fig. 4, the designated application is app1, all time points of occurrence of app1 and screen 1 and screen 2 are found from the event log, and the content of the window corresponding to screen 1 and screen 2 is extracted from the screenshot for playback.
The size of the playback video in the windowed mode is the maximum footprint of all simultaneously occurring windows. If at a certain time, the designated application has three windows, each of which occupies a complete screen, then the size of the playback video is three screens.
If the application specified at a certain time point does not appear, the screen recording at the time point is blank, and the content at the time point is automatically skipped during playback.
The cursor following mode is: determining the size of a preset following area according to the acquired playback request; extracting the position of the cursor at each time point from the event log; determining a cursor area of each time point based on the position of the cursor and the size of the following area; and extracting the content of the cursor area from the screen video for playback. As shown in fig. 5, the size of the preset following area is determined, and a cursor is extracted from the event log and passes through the screen 1, the screen 3 and the screen 2 in sequence; and determining a cursor area of each time point based on the position of the cursor and the size of the following area, extracting the content of the cursor area from the screen recording for playback, wherein the content of the playback area changes along with the change of the cursor moving track.
Example two:
an embodiment of the present invention provides a video playback system, including:
an acquisition module: the system comprises a video processing module, a video playing module and a video playing module, wherein the video processing module is used for acquiring an event log and a screen video and acquiring a video playback request;
a playback module: the video playback module is used for matching the corresponding video playback mode to perform video playback based on the acquired playback request; the video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
A video playback system further comprises a server for storing event logs and screenshots.
Example three:
the embodiment provides a playback device, comprising a processor and a storage medium;
the storage medium is to store instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method of embodiment one.
Example four:
embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the method of an embodiment.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A video playback method, comprising:
acquiring an event log and a screen video, and acquiring a video playback request;
matching a corresponding video playback mode to perform video playback based on the obtained playback request; the video playback mode is based on a playback area calculation mode specified by a playback request, the position and the size of the playback area are determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
2. The video playback method of claim 1, wherein the obtaining the event log and the screen recording comprises:
starting a screen recorder and a system event monitor;
starting screen recording, and recording the number and the position of screens;
when a system event is monitored, recording the positions of a cursor and a mouse, and the title and the position of a window;
and ending screen recording and stopping system event monitoring.
3. The video playback method according to claim 1, wherein the split screen mode is:
and extracting the content of the appointed screen from the screen video for playback according to the acquired playback request.
4. The video playback method according to claim 1, wherein the window mode is:
reading a specified application name from the acquired playback request;
searching all time points and occurrence areas of the application from the event log according to the application name;
and extracting the content of the appearing area from the screen video for playback.
5. The video playback method according to claim 4, wherein if the application specified at a certain time point does not appear, the screen recording at the time point is blank, and the content at the time point is automatically skipped at the time of playback.
6. The video playback method according to claim 1, wherein the cursor following mode is:
determining the size of a preset following area according to the acquired playback request;
extracting the position of the cursor at each time point from the event log;
determining a cursor area of each time point based on the position of the cursor and the size of the following area;
and extracting the content of the cursor area from the screen video for playback.
7. A video playback system, comprising:
an acquisition module: the system is used for acquiring event logs and screen videos and acquiring video playback requests;
a playback module: the video playback module is used for matching the corresponding video playback mode to perform video playback based on the acquired playback request; the video playback mode is based on a playback area specified by a playback request, the size of the playback area is determined by adopting event log assistance, and the playback area with the determined size is selected from the screen video for video playback; the video playback mode includes: a normal mode, a split screen mode, a window mode, and a cursor following mode.
8. The video playback system of claim 7, further comprising a server for storing event logs and screenshots.
9. A playback device comprising a processor and a storage medium;
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method of any of claims 1 to 6.
10. Computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269634.1A CN114666668B (en) | 2022-03-18 | 2022-03-18 | Video playback method, system, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210269634.1A CN114666668B (en) | 2022-03-18 | 2022-03-18 | Video playback method, system, equipment and storage medium |
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| CN114666668A true CN114666668A (en) | 2022-06-24 |
| CN114666668B CN114666668B (en) | 2024-03-15 |
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