CN104837064B - The control method and media player of the media player of open operating system - Google Patents
The control method and media player of the media player of open operating system Download PDFInfo
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- CN104837064B CN104837064B CN201510186274.9A CN201510186274A CN104837064B CN 104837064 B CN104837064 B CN 104837064B CN 201510186274 A CN201510186274 A CN 201510186274A CN 104837064 B CN104837064 B CN 104837064B
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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
- H04N21/43—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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4438—Window management, e.g. event handling following interaction with the user interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
This application discloses a kind of control methods and media player of the media player of open operating system.This method includes：When media player prepares to play a media file, user interface event processing thread and user interface event queue are created, and starts user interface event processing thread；It, will be in the corresponding user interface event write-in user interface event queue of the user interface operations and whenever receiving a user interface operations；Wherein, user interface event processing thread is successively read user interface event from user interface event queue, executes the corresponding operation of user interface event.Using these technical solutions, central processing unit (CPU) utilization rate can be improved, the appearance of playback error is effectively reduced.
Description
Technical field
This application involves technical field of media play more particularly to a kind of media plays applied to open operating system
The control method and media player of device.
Background technology
In order to meet the video playing demand of user, the operating system installed on the subscriber terminal often provides included
System plays device, for playing the media files such as audio, video.
In open operating system, such as Android system, system plays device directly invoke in operating system in player
Core come execute user to system plays device some operation, such as click start play icon or button, click pause play
Icon or button etc..Due to the diversity of hardware in the opening of source code in Android system and user terminal, Yong Hu
When playing media file using system plays device, phenomena such as failure usually occur or block, playback error rate is higher, for example,
Video can not be played on a player, malfunctioned suddenly during playing video or after user operates system plays device
It blocks, the experience of user is affected to reduce the resource utilization of user terminal without any response.
Invention content
The present invention provides a kind of control methods and media player of the media player of open operating system, can
Central processing unit (CPU) utilization rate is improved, the appearance of playback error is effectively reduced.
The technical proposal of the invention is realized in this way：
The present invention provides a kind of control methods of the media player of open operating system, when media player prepares
When playing a media file, user interface event processing thread and user interface event queue are created, and start user interface thing
Part handles thread；And whenever receiving a user interface operations, the corresponding user interface event of the user interface operations is write
In access customer interface event queue；Wherein, user interface event processing thread is successively read use from user interface event queue
Family interface event executes the corresponding operation of user interface event.
The present invention also provides a kind of media players, including：Creation module, for preparing to play one when media player
When media file, user interface event processing thread and user interface event queue are created；Starting module connects for starting user
Mouth event handling thread；Receiving module, for receiving user interface operations, whenever receiving a user interface operations just by the use
Interface operation corresponding user interface event in family is triggered to writing module；And writing module, for being received whenever from receiving module
Just the user interface event is written in user interface event queue to a user interface event；Wherein, at user interface event
Lineation journey is successively read user interface event from user interface event queue, and executes the corresponding operation of user interface event.
The control method of the media player of open operating system provided by the invention is connect by creating and starting user
Mouth event handling thread, improves cpu busy percentage, effectively reduces and plays failure, error, without the wrong appearance such as response, simultaneously
The development efficiency for improving software developer, reduces development cost.
Description of the drawings
Fig. 1 is that the flow of the control method of the media player of the open operating system of an embodiment according to the present invention is shown
It is intended to；
Fig. 2 is the interface schematic diagram of the reception user's operation of an embodiment according to the present invention；
Fig. 3 is the flow of the control method of the media player of the open operating system of another embodiment according to the present invention
Schematic diagram；
Fig. 4 is the structural schematic diagram of the media player of an embodiment according to the present invention；
Fig. 5 is the structural schematic diagram of the media player of another embodiment according to the present invention；
Fig. 6 is the structural schematic diagram of the media player of another embodiment according to the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The present invention is applied to the media player carried in open operating system, when user is mounted on an electronic device
One open operating system, such as Android system, then the media player carried in Android system is also mounted on the electricity
In sub- equipment, the media files such as audio, video are played for users to use.
The media player can be based on the individual apparatus for media playing of open operating system, can also be located at
Any electronic equipment based on open operating system with media play function, including but not limited to desktop computer, intelligence
Energy mobile phone, palm PC, tablet computer, smart mobile phone etc..
Fig. 1 is that the flow of the control method of the media player of the open operating system of an embodiment according to the present invention is shown
It is intended to.Referring to Fig. 1, this method includes：
Step 101, when media player prepares to play a media file, user interface event processing thread and use are created
Family interface event queue, and start user interface event processing thread.
In an operating system, thread (Thread) refers to a single sequential control flow in program, in single program
In can run multiple threads simultaneously to complete different work, referred to as multithreading parallel.Multiple thread shared data spaces, often
A thread has the one group of CPU register and storehouse of oneself, the operation of thread to need memory source and CPU using computer.
In the present embodiment, special to create a user interface event processing thread for media player, for handling
User interface event.For example, in Android system, by creating the example of a Thread class, to create a new thread.
Meanwhile correspondingly, thread creation user interface event queue is handled for the user interface event.The user interface event queue is
Data structure for storing user interface event can store user interface event, storage according to the principle of " first in first out "
Mode can be that user interface event is together in series in a manner of chained list.
Step 102, whenever receiving a user interface operations, by the corresponding user interface event of the user interface operations
It is written in user interface event queue, wherein user interface event processing thread is successively read from user interface event queue
User interface event executes the corresponding operation of the user interface event.
User interface event corresponding with user interface operations includes：Start to play, pause broadcasting, stop playing and (broadcast
Put end), forward play, retreat play, fast forward through broadcasting, rapid backward any one of plays or several arbitrary.By this
In a little user interface event write-in user interface event queues, and notify that user interface event processing thread is handled.Then,
User interface event processing thread is successively read the user interface event of foremost from user interface event queue, executes the use
The corresponding operation of family interface event.
In one embodiment, user interface operations include user carried out in the operation interface of media player it is various defeated
Enter operation, can also include the user interface operations of non-user operation, such as be automatically stopped broadcasting after playback of media files.
Fig. 2 is the schematic diagram of the user interface 200 of an embodiment according to the present invention.User using media when putting device, Ke Yi
Various operations are carried out to media file on user interface 200.As shown in Fig. 2, showing played media in block 210
The picture of file shows the duration " 00 of the currently playing media file in box 220:45 " and total duration " 05:13 ",
Show that played file can be navigated to other positions by the progress of broadcasting, button 240 for user's sliding in box 230,
Various operation buttons are provided in box 250, for example, broadcasting, pause, F.F., rewind, when media file all finishes
When, then stop playing.Alternatively, the various operation buttons in box 250 can not also be shown in user interface 200, and
It is that user's operation is received according to the gesture operation of user.
In the present embodiment, it when media player prepares to play a media file, creates user interface event and handles line
Journey and user interface event queue, and start user interface event processing thread, it, will whenever receiving a user interface operations
In the corresponding user interface event write-in user interface event queue of the user interface operations, wherein user interface event processing
Thread is successively read user interface event from user interface event queue, executes the corresponding operation of the user interface event, can
User interface event is executed to avoid player kernel is directly invoked in the prior art, but by these user interface events point
The special user interface event processing thread of dispensing is handled, and can be improved cpu busy percentage, be effectively reduced broadcasting failure, goes out
Appearance wrong, without the mistake such as response, while programming model is simplified, the development efficiency of software developer is improved, is reduced
Development cost.
Fig. 3 is the flow of the control method of the media player of the open operating system of another embodiment according to the present invention
Schematic diagram.Referring to Fig. 3, this method includes：
Step 301, when media player prepares to play a media file, user interface event processing thread and use are created
Family interface event queue, and start user interface event processing thread.
Step 301 and step 101 describe identical, and details are not described herein.
Step 302, when media player prepares to play a media file, play position management thread is created and starts,
Wherein, play position management thread reads the current play position of the media file and is stored in read play position interior
In depositing.
Media player is when preparing to play a media file, when several with the relevant audio of media file, video, word etc.
It after being ready to, creates play position and manages thread, and start play position management thread simultaneously.
In one embodiment, play position management thread reads the current broadcasting position of the media file at predetermined time intervals
The play position set, and the play position stored in memory is updated to currently read.For example, the predetermined time can be 200
Millisecond, such play position management thread can read the current play position of the media file every 200 milliseconds, and update memory
The play position of middle storage.In specific application, the numerical value of predetermined time can sets itself according to demand.Above-mentioned play position
Information can refer to the current duration played of media file.
Interface as shown in Figure 2, what play position managed thread reading is the current play position of media file, works as media
When file playing, play position manages thread can be every the duration that 200ms reading media files are played, such as button
240 signified positions, are then stored in memory.When reading next play position, last time for will being stored in memory
Play position is updated to the play position currently read.If media file is suspended or stops playing, then play position pipe
Lineation journey will be same numerical value every the play position of 200ms reading media files.
Step 303, media player accesses memory, obtains play position, and export play position by user interface.
After play position management thread completes reading and storage to play position in step 302, media player
Play position can be directly obtained from Installed System Memory, then show the play position on a user interface.For example, in Fig. 2 institutes
Current play position acquired in being shown in a manner of duration in the box 220 shown, i.e., " 00:45”.
Step 304, whenever receiving a user interface operations, by the corresponding user interface event of the user interface operations
It is written in user interface event queue, and the corresponding scheduled wait time is set for each user interface event, wherein Yong Hujie
Mouth event handling thread is successively read user interface event from user interface event queue, and it is corresponding to execute user interface event
Operation.
In one embodiment, it is user interface event after the corresponding scheduled wait time is arranged in each user interface event
Handling thread can be by calling the corresponding function of user interface event, then in the corresponding scheduled wait of the user interface event
Return function executes corresponding operation within time.If within the scheduled wait time, user interface event processing thread is held
Row finishes the corresponding operation of user interface event, then returns to called function immediately；If at the end of the scheduled wait time, use
Interface event processing thread in family is still executing the corresponding operation of user interface event, also returns to called function.
For example, in Android system, the maximum latency of system is 5 seconds, and it is 2 that the scheduled wait time, which can be arranged,
Second.If user interface event is to stop (stop) to play, then user interface event handles thread dispatching stop functions to stop
It plays media file and temporarily frees up resource.If the stop functions complete operation within 2 seconds, immediately return to；If executing
Time reaches 2 seconds, and stop functions are still executing, and also to return to the function.
Step 305, when detecting that media player is in halted state, error status or is closed, user is deleted
Interface event handles thread and play position manages thread.
Media player can periodically detect itself state in which.Wherein, the state of media player includes standard
Standby state, broadcast state, halted state, halted state, positioning states (player navigates to some play position), release conditions
(resource that release player occupies), error status, recovery state (player restores from error status) etc..If detecting media
Player is in halted state either error status or when detecting that user closes media player, then deletes user and connect
Mouth event handling thread and play position manage thread.Then when playing media file next time, then user interface thing is created
Part handles thread and play position manages thread.
In the present embodiment, it when media player prepares to play a media file, creates and starts play position management
Thread, wherein play position management thread reads the current play position of the media file and deposits read play position
It is stored in memory, media player accesses memory to obtain play position, and is in the prior art the user by media player
Interface initiates to obtain the process of play position, and media player needs to call player kernel that could obtain play position.It compares
The prior art, scheme provided in an embodiment of the present invention need not call player kernel, and directly accessing memory can rapidly obtain
There is error condition of the program without response, reduce playback error rate in play position, reduction.In addition, by being connect for each user
The corresponding scheduled wait time is arranged in mouth event, and user interface event handles thread and executes the corresponding operation of user interface event,
It is returned within the user interface event corresponding scheduled wait time, can effectively control user interface event and handle thread to every
The execution time of a user interface event, and then after effective time delay for controlling media player execution user's operation, raising execution
The accuracy and success rate of continuous user's operation.For example, when user interface event is stopping event, it can ensure that media are broadcast as possible
The release of device resource is put, the resource that the last time plays when appearing in this broadcasting is reduced and not yet discharges the problem of finishing.
Fig. 4 is the structural schematic diagram of the media player 400 of an embodiment according to the present invention.Media player 400 includes：
Creation module 410, for when media player prepares to play a media file, creating user interface event processing
Thread and user interface event queue；
Starting module 420 handles thread for starting user interface event；
Receiving module 430 just meets the user whenever receiving a user interface operations for receiving user interface operations
Mouth operates corresponding user interface event and is triggered to writing module 440；And
Writing module 440, for whenever receiving a user interface event just by the user interface thing from receiving module 430
Part is written in user interface event queue；Wherein, user interface event processing thread is read successively from user interface event queue
User interface event is taken, and executes the corresponding operation of user interface event.
Fig. 5 is the structural schematic diagram of the media player 500 of another embodiment according to the present invention.Wherein,
Creation module 410 is further used for, when media player prepares to play a media file, creating play position pipe
Lineation journey；
Starting module 420 is further used for starting play position management thread；Wherein, play position management thread is read
Read play position is simultaneously stored in memory by the current play position of the media file.
In one embodiment, play position management thread reads the current broadcasting position of the media file at predetermined time intervals
The play position set, and the play position stored in memory is updated to currently read.
Correspondingly, on the basis of 500 media player 400 shown in Fig. 4 of media player, further include：
Access modules 450 obtain play position for accessing memory；
Output module 460, the play position for being obtained by user interface output access module 450.
In one embodiment, media player 500 further includes：
Setup module 470, for the corresponding scheduled wait time to be arranged for each user interface event；Wherein, Yong Hujie
Mouth event handling thread executes the corresponding operation of user interface event：User interface event handles thread dispatching user interface
The corresponding function of event；The return function within the user interface event corresponding scheduled wait time.
In one embodiment, media player 500 further includes：
Detection module 480, for detecting media player state in which；
Removing module 490, for work as detection module 480 detect media player be in halted state, error status or
When person is closed, deletes user interface event processing thread and play position manages thread.
Fig. 6 is the structural schematic diagram of the media player 600 of another embodiment according to the present invention.The media player 600
Including：Processor 610, memory 620, port 630 and bus 640.Processor 610 and memory 620 are mutual by bus 640
Connection.Processor 610 can send and receive data by port 630.Wherein,
Processor 610 is used to execute the machine readable instructions module of the storage of memory 620.
Memory 620 is stored with the executable machine readable instructions module of processor 610.The executable finger of processor 610
The module is enabled to include：Creation module 621, starting module 622, receiving module 623 and writing module 624.Wherein,
Creation module 621 can be when being executed by processor 610：When media player prepares to play a media file,
Create user interface event processing thread and user interface event queue；
Starting module 622 can be when being executed by processor 610：Start user interface event and handles thread；
Receiving module 623 can be when being executed by processor 610：User interface operations are received, whenever receiving a user
The corresponding user interface event of the user interface operations is just triggered to writing module 440 by interface operation；
Writing module 624 can be when being executed by processor 610：Whenever receiving a user interface from receiving module 430
Just the user interface event is written in user interface event queue for event；Wherein, user interface event handles thread from user
It is successively read user interface event in interface event queue, and executes the corresponding operation of user interface event.
In one embodiment, can be further when creation module 621 is executed by processor 610：When media player standard
When one media file of standby broadcasting, creates play position and manage thread；
Starting module 622 can be further when being executed by processor 610：Start play position and manages thread；Wherein, it broadcasts
Location management thread is put to read the current play position of the media file and read play position is stored in memory.
Correspondingly, the executable instruction module of the processor 610 of the storage of memory 620 further includes：
Access modules 625 obtain play position for accessing memory；
Output module 626, the play position for being obtained by user interface output access module 625.
In one embodiment, the executable instruction module of the processor 610 of the storage of memory 620 further includes：
Setup module 627, for the corresponding scheduled wait time to be arranged for each user interface event；Wherein, Yong Hujie
Mouth event handling thread executes the corresponding operation of user interface event：User interface event handles thread dispatching user interface
The corresponding function of event；The return function within the user interface event corresponding scheduled wait time.
In one embodiment, the executable instruction module of the processor 610 of the storage of memory 620 further includes：
Detection module 628, for detecting media player state in which；
Removing module 629, for work as detection module 628 detect media player be in halted state, error status or
When person is closed, deletes user interface event processing thread and play position manages thread.
It can thus be seen that when storing the instruction module in memory 620 and being executed by processor 610, it can be achieved that preceding
State creation module 621 in each embodiment, starting module 622, receiving module 623, writing module 624, access modules 625, defeated
Go out module 626, the various functions of setup module 627, detection module 628 and removing module 629.
In above-mentioned apparatus embodiment, modules and unit realize that the specific method of itself function is equal in embodiment of the method
It is described, which is not described herein again.
In addition, each function module in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that modules physically exist alone, it can also be during two or more modules be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
In addition, each embodiment of the present invention can pass through the data processing by data processing equipment such as computer execution
Program is realized.Obviously, data processor constitutes the present invention.In addition, being generally stored inside the data in a storage medium
Processing routine by program by directly reading out storage medium or by installing or copying to data processing equipment by program
It is executed in storage device (such as hard disk and/or memory).Therefore, such storage medium also constitutes the present invention.Storage medium can be with
Use any kind of recording mode, such as paper storage medium (such as paper tape), magnetic storage medium (such as floppy disk, hard disk, flash memory
Deng), optical storage media (such as CD-ROM), magnetic-optical storage medium (such as MO) etc..
Therefore, the invention also discloses a kind of storage mediums, wherein it is stored with data processor, the data processor
Any type embodiment for executing the above method of the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (8)
1. a kind of control method of the media player of open operating system, which is characterized in that including：
When the media player prepares to play a media file, user interface event processing thread and user interface thing are created
Part queue, and start the user interface event processing thread；And
Whenever receiving a user interface operations, the user is written into the corresponding user interface event of the user interface operations
In interface event queue；
Wherein, the user interface event processing thread is successively read user interface thing from the user interface event queue
Part executes the corresponding operation of the user interface event；
The method further includes：For each user interface event, the corresponding scheduled wait time is set；
Wherein, corresponding operate of the user interface event processing thread execution user interface event includes：
The corresponding function of user interface event described in the user interface event processing thread dispatching；
The function is returned within the user interface event corresponding scheduled wait time；
The method further includes：
When the media player prepares to play a media file, creates and start play position management thread, wherein is described
Play position management thread reads the current play position of the media file and read play position is stored in memory；
The media player accesses the memory, obtains the play position, and export the broadcasting position by user interface
It sets.
2. according to the method described in claim 1, wherein, the play position management thread reads that the media file is current to be broadcast
It puts position and read play position is stored in memory and include：
Play position management thread reads the current play position of the media file at predetermined time intervals, and by the memory
The play position of middle storage is updated to the play position currently read.
3. according to the method described in claim 1, wherein, it is described the user interface event corresponding scheduled wait time it
It is interior to return to the function and include：
If within the scheduled wait time, user interface event processing thread is finished the user interface event
Corresponding operation then returns to the function；
If at the end of the scheduled wait time, the user interface event processing thread is still executing the user interface thing
The corresponding operation of part, then return to the function.
4. according to the method described in claim 1, further including：
When detecting that the media player is in halted state, error status or is closed, the user interface is deleted
Event handling thread and the play position manage thread.
5. method according to claim 1 to 4, wherein the user interface event include start play, temporarily
Break and puts, stop broadcasting, forward play, retreat broadcasting, fast forward through any one of broadcasting, rapid backward broadcasting or arbitrary several
.
6. a kind of media player, which is characterized in that including：
Creation module, for when the media player prepares to play a media file, creating user interface event and handling line
Journey and user interface event queue；
Starting module handles thread for starting the user interface event；
Receiving module, for receiving user interface operations, whenever receiving a user interface operations just by the user interface operations
Corresponding user interface event is triggered to writing module；And
Said write module, for whenever receiving a user interface event just by the user interface event from the receiving module
It is written in the user interface event queue；
Wherein, the user interface event processing thread is successively read user interface thing from the user interface event queue
Part, and execute the corresponding operation of the user interface event；
The media player further includes：
Setup module, for the corresponding scheduled wait time to be arranged for each user interface event；
Wherein, corresponding operate of the user interface event processing thread execution user interface event includes：
The corresponding function of user interface event described in the user interface event processing thread dispatching；
The function is returned within the user interface event corresponding scheduled wait time；
Wherein, the creation module is further used for, when the media player prepares to play a media file, creating and playing
Location management thread；
The starting module is further used for starting the play position management thread；Wherein, the play position manages thread
It reads the current play position of the media file and read play position is stored in memory；
The media player further includes：Access modules obtain the play position for accessing the memory；
Output module, for exporting the play position that the access modules obtain by user interface.
7. media player according to claim 6, wherein the play position management thread reads the media file and works as
Read play position is simultaneously stored in memory and includes by preceding play position：
Play position management thread reads the current play position of the media file at predetermined time intervals, and by the memory
The play position of middle storage is updated to the play position currently read.
8. media player according to claim 6, further includes：
Detection module, for detecting the media player state in which；
Removing module, for work as the detection module detect the media player be in halted state, error status or
When being closed, the user interface event processing thread and play position management thread are deleted.
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| CN110401877B (en) * | 2019-07-18 | 2023-02-10 | 北京字节跳动网络技术有限公司 | Video playing control method and device, electronic equipment and storage medium |
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