CN102289484A - Method for scanning multimedia files of storage equipment based on android system - Google Patents
Method for scanning multimedia files of storage equipment based on android system Download PDFInfo
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Abstract
The invention discloses a method for scanning multimedia files of storage equipment based on an android system. The method comprises a first stage and a second stage. The first stage comprises the following steps of: mounting the storage equipment on the Android system, sorting files to be scanned and acquiring corresponding information of each sort respectively, updating the information into a database, and establishing a corresponding file catalog; and the second stage comprises the following steps of: checking whether the current catalog contains the files to be scanned in the corresponding file catalog in the database until the required files to be scanned is found out, and acquiring the corresponding information from the required files to be scanned so as to finish scanning. By the method for scanning multimedia files of the storage equipment based on the android system, the scanning time is shorter, and the consumption for a memory and a central processing unit (CPU) of the android system during scanning and a storage space occupied by scanning are reduced; therefore, a user experience effect is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of scan method of multimedia file of the memory device based on the android system.
Background technology
Android is the intelligent platform of a new generation, and increasing electric terminal uses Android as operating system, makes the user of electric terminal of Android system grow with each passing day.Simultaneously, along with the development of technology, big capacity hard disk has become the major equipment of storing multimedia, through regular meeting's storage thousands of multimedia files is arranged on a big hard disk.The Android system applies just seems particularly important for the scanning support of multimedia file in the mass-memory unit after TV.
After memory device was mounted in the Android system, because during multimedia application, the information such as the metadata of multimedia file and thumbnail of need obtaining were used for the user, need each multimedia file on the equipment be scanned.Its scanning mainly is divided into following 3 steps:
1, presses file suffixes filtering multimedia file, and filename and file address are write database;
2, obtain video and image file thumbnail, in the write storage device;
3, obtain multimedia metadata information, write database.
As shown in Figure 1, it is the process flow diagram of the scan method of the multimedia file in the memory device of prior art.Its scan method mainly may further comprise the steps:
After A1, memory device are mounted in the Android system, the kernel of the described operating system of Kernel() can send out broadcasting and upload scanning pattern, notice begins scanning;
A2, from scanning pattern, check and have or not file to be scanned, if file is arranged, then carry out A3, otherwise carry out A9;
A3, judge file to be scanned,, then carry out scanning if belong to multimedia file; Otherwise return A2;
A4, file to be scanned is divided into video file, audio file, picture file;
A5 then obtains the metdata and the thumbnail of video file if video file, carries out A8 then;
A6 then obtains the metdata of audio file if audio file, carries out A8 then;
A7 then obtains the metdata and the thumbnail of picture file if picture file, carries out A8 then;
A8, the information updating that described scanning is obtained are advanced in the database, return A2 then;
A9, delete non-existent data base entries;
A10, end scanning.
Though this scan method can be finished having retouched of multimedia files all in the memory device,, there is following shortcoming in it:
(1) scanning process duration
Because when the scanning mass-memory unit, because file is too many, and each file all needs to obtain its thumbnail and/or metadata information, so sweep time will be very long; And the time according to filename order (also can according to other order) scanning, if after the scanning sequency of care file is leaned on, then need just can scan for a long time, and can allow long sweep time the people misread and use problem is arranged, thereby influence user's experience.
(2) there is the waste of resource
In big memory device, we usually do not need to check all multimedia files, and in the scan method in the prior art, no matter how whether media file can be checked, the capital is scanned and obtains its thumbnail and/or metadata information, causes the waste of resource.Mainly show as: scanning process takies information such as thumbnail, metdata after too much cpu resource, the scanning, and to take in storage space, the scanning process committed memory big etc.
In view of this, a kind of scanning technique of multimedia file of new memory device need be provided.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of scan method and system of multimedia file of the memory device based on the android system, when solving the multimedia file scanning of memory device in the prior art, the scanning process of existence is problem such as the wasting of resources during with duration, scanning.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of scan method of multimedia file of the memory device based on the android system, wherein, described method comprises phase one and subordinate phase; Wherein, the described phase one is that memory device is mounted in the Android system, with document classification to be scanned, obtains the corresponding information of each class then respectively, and is updated in the database, sets up corresponding file directory;
Described subordinate phase checks to have or not file to be scanned in the current directory for entering described in the database in the corresponding file directory, until finding required file to be scanned, and enters required file to be scanned, obtains its corresponding information, finishes scanning.
The scan method of the multimedia file of described memory device based on the android system, wherein, the described phase one may further comprise the steps:
After S1, memory device were mounted in the Android system, the kernel of Android system can be sent out broadcasting and upload scanning pattern, and notice begins scanning;
S2, from scanning pattern, check and have or not file to be scanned, if having, then carry out S3, otherwise carry out M3;
S3, judge file to be scanned,, then carry out scanning if belong to multimedia file; Otherwise return S2;
S4, file file to be scanned is divided into video file, audio file, picture file;
S5, respectively obtain video file file name and path, obtain the necessary metdata information of audio file, the file name of obtaining picture file and path, carry out S6 then;
S6, with the information updating of obtaining in database, set up audio file catalogue, video file catalogue, picture file catalogue respectively, return S2 then;
Described subordinate phase may further comprise the steps:
M1, enter database sound intermediate frequency file directory, video file catalogue, picture file catalogue, check in the interior audio file of current directory, video file, the picture file required file to be scanned is not arranged, if any then carrying out M2, then do not enter next corresponding catalogue as having, continue to carry out M1;
M2, enter required file to be scanned, obtain its metdata information;
M3, delete non-existent data base entries;
M4, end scanning.
The scan method of the multimedia file of described memory device based on the android system, wherein, the necessary metdata information of the audio file among the described step S5 comprises: the singer of audio file, school, album information.
The scan method of the multimedia file of described memory device based on the android system, wherein, the number of the video file catalogue among the described step S6 is a plurality of, the video file number under each video file catalogue is no more than 20.
The scan method of the multimedia file of described memory device based on the android system, wherein, the number of the picture file catalogue among the described step S6 is a plurality of, the picture file number under each picture file catalogue is no more than 20.
The scan method of the multimedia file of described memory device based on the android system wherein, is obtained among the described step S5 in the file name and path of video file, also comprises the configuration information that obtains video file.
The scan method of the multimedia file of described memory device based on the android system wherein, is obtained among the described step S5 in the file name and path of audio file, also comprises the configuration information that obtains audio file.
The scan method of the multimedia file of described memory device based on the android system wherein, is obtained among the described step S5 in the file name and path of picture file, also comprises the configuration information that obtains picture file.
The scan method of the multimedia file of the memory device based on the android system provided by the invention.Described scan method is divided into phase one and subordinate phase, the described phase one is that memory device is mounted in the Android system, with document classification to be scanned, obtains the corresponding information of each class then respectively, and be updated in the database, set up corresponding file directory; Then, when subordinate phase, enter described in the database in the corresponding file directory, check to have or not file to be scanned in the current directory, until finding required file to be scanned, and enter required file to be scanned, obtain its corresponding information, thereby finish scanning.The scan method of the multimedia file of the memory device based on the android system of the present invention reduced sweep time, reduced in the scanning process consumption to the internal memory of android system and CPU, reduced the storage space that scanning takies, thereby improved user's health check-up effect.
Description of drawings
Fig. 1 is the process flow diagram of the scan method of the multimedia file in the memory device of prior art.
Fig. 2 is the synoptic diagram of phase one in the scan method of multimedia file of the memory device based on the android system of the present invention.
Fig. 3 is the synoptic diagram of subordinate phase in the scan method of multimedia file of the memory device based on the android system of the present invention.
Embodiment
The invention provides a kind of scan method of multimedia file of the memory device based on the android system, described method comprises phase one and subordinate phase.
Wherein, the described phase one is that memory device is mounted in the Android system, with document classification to be scanned, obtains the corresponding information of each class then respectively, and is updated in the database, sets up corresponding file directory; Described subordinate phase checks to have or not file to be scanned in the current directory for entering described in the database in the corresponding file directory, until finding required file to be scanned, and enters required file to be scanned, obtains its corresponding information, finishes scanning.
。For making purpose of the present invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example that the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 2, Fig. 2 is the process flow diagram of scan method phase one of the multimedia file of the memory device based on the android system of the present invention.As shown in the figure, described method may further comprise the steps:
After S1, memory device were mounted in the Android system, the kernel of Android system can be sent out broadcasting and upload scanning pattern, and notice begins scanning.Identical in this step and the prior art, all be that memory device is mounted in the Android system, enter scanning process then.
S2, from scanning pattern, check and have or not file to be scanned, if having, execution in step S3 then, otherwise execution in step M3(M3 step is the content of subordinate phase, here for convenience of description, is also placed among Fig. 2 and introduces down).Whether this step has needed file (being file to be scanned) for judging in the scanning pattern.
S3, judge file to be scanned,, then carry out scanning if belong to multimedia file; Otherwise return S2.
S4, file to be scanned is divided into video file, audio file, picture file.This step is that multimedia file to be scanned is divided into video file, audio file, picture file.Be follow-up video file, audio file, the picture file catalogue set up respectively, the information of multimedia file (video file, audio file, picture file) added to enter in the database prepare.
After with the multimedia file classification, then scanning enters database to dissimilar multimedia file (video file, audio file, picture file) respectively.Its step S5 comprises:
If video file, S6 is carried out in the file name and the path that then obtain video file then; If audio file, then obtain the necessary metdata information of audio file, carry out S6 then; If picture file, S6 is carried out in the file name and the path that then obtain picture file then;
S6, with the information updating of obtaining in database, set up audio file catalogue, video file catalogue, picture file catalogue respectively, return S2 then.
Wherein, described video file, picture file need not the metdata information of time-consuming is relatively added in the database when the phase one, thereby the needed time when having saved scanning greatly, as long as its corresponding file title and path interpolation are entered, and for audio file, described necessary metdata information can comprise singer, school, album information of audio file etc., is convenient to that audio file is carried out sectional lists and deposits.
After necessary information is added into database with multimedia file, then carry out last step S6 of phase one, the information updating of obtaining is advanced in the database, set up audio file catalogue, video file catalogue, picture file catalogue, return S2 then.Wherein, described video file catalogue comprises information such as the title, path of video file, it can provide with the form of thumbnail, makes the user can determine described video file (whether promptly recognize described video file is file to be scanned) once seeing thumbnail.Then, enter the thumbnail of described video file as the user after, all metdata information that just can check video file.In like manner, image file, audio file are also adopted in a like fashion.So, CPU and internal memory shared in the scanning process just can reduce greatly, because the information of each multimedia file when scanning has significantly reduced, have correspondingly also shortened sweep time.
Further, the number of described multimedia file catalogue (comprising audio file catalogue, video file catalogue, picture file catalogue) can be for a plurality of, and the video file quantity under each video file catalogue is no more than 20.When scanning, obtain the thumbnail of file under the catalogue earlier.In general, the file number that a screen can show is limited, generally is no more than 20, only need provide that time the thumbnail of the multimedia file of this catalogue to get final product, and whole metadata information and the thumbnail of handling the file that obtains a screen demonstration can be very not long.So perhaps the file of Guan Xining is just showing for the first time, thereby has shortened sweep time greatly.
Please continue to consult Fig. 3, the step of phase one in the scan method of the multimedia file of the memory device by android of the present invention system, after having set up audio file catalogue, video file catalogue, picture file catalogue, promptly carry out the subordinate phase of scan method of multimedia file of the memory device of android of the present invention system.As shown in Figure 3, described subordinate phase may further comprise the steps:
M1, enter database sound intermediate frequency file directory, video file catalogue, picture file catalogue, check whether audio file, video file, picture file in the current directory have required file to be scanned, if any then carrying out M2, then do not enter next corresponding catalogue as having, continue to carry out M1;
M2, enter required file to be scanned, obtain its metdata information;
M3, delete non-existent data base entries;
M4, end scanning.
After audio file catalogue, video file catalogue, picture file catalogue after the foundation, scan for the multimedia file in each catalogue, then, find file to be scanned after, just enter required file to be scanned, and then obtain its whole metdata information.
Further, the scan method of the multimedia file of the memory device based on the android system of the present invention is fixed by existing demands of applications, but multimedia application for difference in functionality, and, also can change to some extent for the demand when the carry of metadata information along with the later development of function.So can adopt the mode that sets in advance to realize here, such as, obtain among the described step S5 in the file name and path of video file, also comprise the configuration information that obtains video file.In like manner, also can be with the mode of obtaining its configuration information for audio file, picture file.After the equipment carry starts scanning well, read configuration file earlier, according to being set, file does corresponding scanning then.
The scan method of the multimedia file of the memory device based on the android system disclosed by the invention.Described scan method is divided into phase one and subordinate phase, phase one is divided into video file, audio file, picture file with multimedia file, and only the path of video file, audio file, picture file and filename are added in the database, set up corresponding catalogue; Then, when subordinate phase, enter database sound intermediate frequency file directory, video file catalogue, picture file catalogue, check whether required file to be scanned is arranged in the current directory, then do not enter next catalogue continuation scanning as having, if any then entering required file to be scanned, obtain its metdata information, thereby finish scanning.The scan method of the multimedia file of the memory device based on the android system of the present invention reduced sweep time, reduced in the scanning process consumption to the internal memory of android system and CPU, reduced the storage space that scanning takies, thereby improved user's health check-up effect.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. the scan method based on the multimedia file of the memory device of android system is characterized in that, described method comprises phase one and subordinate phase;
Wherein, the described phase one is that memory device is mounted in the Android system, with document classification to be scanned, obtains the corresponding information of each class then respectively, and is updated in the database, sets up corresponding file directory;
Described subordinate phase checks to have or not file to be scanned in the current directory for entering described in the database in the corresponding file directory, until finding required file to be scanned, and enters required file to be scanned, obtains its corresponding information, finishes scanning.
2. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that:
The described phase one may further comprise the steps:
After S1, memory device were mounted in the Android system, the kernel of Android system can be sent out broadcasting and upload scanning pattern, and notice begins scanning;
S2, from scanning pattern, check and have or not file to be scanned, if having, execution in step S3 then, otherwise execution in step M3;
S3, judge file to be scanned,, then carry out scanning if belong to multimedia file; Otherwise return step S2;
S4, file to be scanned is divided into video file, audio file, picture file;
S5, respectively obtain video file file name and path, obtain the necessary metdata information of audio file, the file name of obtaining picture file and path, carry out S6 then;
S6, with the information updating of obtaining in database, set up audio file catalogue, video file catalogue, picture file catalogue respectively, return S2 then.
3. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that:
Described subordinate phase may further comprise the steps:
M1, enter database sound intermediate frequency file directory, video file catalogue, picture file catalogue, check in the interior audio file of current directory, video file, the picture file required file to be scanned is not arranged, if any execution in step M2 then, then do not enter next corresponding catalogue as having, continue execution in step M1;
M2, enter required file to be scanned, obtain its metdata information;
M3, delete non-existent data base entries;
M4, end scanning.
4. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that the necessary metdata information of the audio file among the described step S5 comprises: the singer of audio file, school and album information.
5. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that the video file catalogue among the described step S6 is a plurality of, and the video file quantity under each video file catalogue is no more than 20.
6. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that the picture file catalogue among the described step S6 is a plurality of, and the picture file quantity under each picture file catalogue is no more than 20.
7. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that, obtains among the described step S5 in the file name and path of video file, also comprises the configuration information that obtains video file.
8. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that, obtains among the described step S5 in the file name and path of audio file, also comprises the configuration information that obtains audio file.
9. the scan method of the multimedia file of the memory device based on the android system according to claim 1 is characterized in that, obtains among the described step S5 in the file name and path of picture file, also comprises the configuration information that obtains picture file.
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| CN103744911A (en) * | 2013-12-26 | 2014-04-23 | 乐视网信息技术（北京）股份有限公司 | Video file scanning method and electronic device |
| CN105022838A (en) * | 2015-08-18 | 2015-11-04 | 深圳市为有视讯有限公司 | Method for allowing camera equipment to have fast access to video files and picture files in memory card of camera equipment |
| CN106066861A (en) * | 2016-05-25 | 2016-11-02 | 努比亚技术有限公司 | File scanning device and method |
| CN106502808A (en) * | 2016-10-28 | 2017-03-15 | 广东欧珀移动通信有限公司 | A kind of method of copied files, device and terminal |
| CN106502808B (en) * | 2016-10-28 | 2019-10-15 | Oppo广东移动通信有限公司 | A kind of method, apparatus and terminal of copied files |
| CN106599252A (en) * | 2016-12-20 | 2017-04-26 | 珠海市魅族科技有限公司 | Method and device for scanning storage equipment |
| CN108446300A (en) * | 2018-01-26 | 2018-08-24 | 北京奇虎科技有限公司 | The scan method and device of data information |
| CN109062711A (en) * | 2018-07-20 | 2018-12-21 | 北斗星通（重庆）汽车电子有限公司 | Based on the quick scanning system of Android multimedia |
| CN111881305A (en) * | 2020-06-23 | 2020-11-03 | 上海博泰悦臻电子设备制造有限公司 | Scanning method and related equipment |
| CN111881305B (en) * | 2020-06-23 | 2024-03-01 | 博泰车联网科技(上海)股份有限公司 | Scanning method and related equipment |
| CN111901684A (en) * | 2020-07-30 | 2020-11-06 | 深圳市康冠科技股份有限公司 | File classification method and related device |
| CN112463745A (en) * | 2020-12-04 | 2021-03-09 | 宁夏新航信息科技有限公司 | Data storage method and data storage device |
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