CN103064861A - Method and device for previewing media files and electronic devices - Google Patents
Method and device for previewing media files and electronic devices Download PDFInfo
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- CN103064861A CN103064861A CN2011103248024A CN201110324802A CN103064861A CN 103064861 A CN103064861 A CN 103064861A CN 2011103248024 A CN2011103248024 A CN 2011103248024A CN 201110324802 A CN201110324802 A CN 201110324802A CN 103064861 A CN103064861 A CN 103064861A
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Abstract
The invention discloses a method and a device for previewing media files and electronic devices. One electronic device is used in the method for previewing the media files, at least one media file is stored in the electronic device, and the method for previewing the media files comprises confirming a first media file from the at least one media file, obtaining a second media file related to the first media file, and playing the second media file. A dynamic preview method is provided for a user, user experience is improved, and user requirements are met.
Description
Technical field
The invention belongs to electronic applications, particularly a kind of media file method for previewing, device and electronic equipment.
Background technology
All store various media files in the existing electronic equipment, such as audio file and video file, and existing operating system (such as Windows system, linux system, Android system ... etc.) in, be that a sectional drawing of just video is presented to the user for the preview of video file.
But no matter be audio file or video file, its essence all is the object of a dynamic change, so provides the mode of preview to meet consumers' demand by static object in the prior art.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of media file method for previewing, device and electronic equipment, to meet consumers' demand.
To achieve these goals, the embodiment of the invention provides a kind of media file method for previewing, uses an electronic equipment, and at least one media file of storage in the described electronic equipment is characterized in that described media file method for previewing comprises:
From described at least one media file, determine the first media file;
Obtain second media file related with described the first media file;
Play described the second media file.
Above-mentioned media file method for previewing, wherein, described the second media file is the media file that generates according to the partial document data in described the first media file.
Above-mentioned media file method for previewing, wherein, the media file of described the second media file for generating and preserve in advance.
Above-mentioned media file method for previewing, wherein, describedly obtain second media file related with described the first media file and specifically comprise:
Resolve described the first media file, obtain original file data;
Selection portion is divided file data from described original file data;
Generate described the second media file according to the partial document data of selecting.
Above-mentioned media file method for previewing wherein, generates described the second media file according to the partial document data of selecting and specifically comprises:
Generate the 3rd media file according to described partial document data;
Described the 3rd media file is compressed processing, obtain described the second media file.
Above-mentioned media file method for previewing, wherein, described the second media file of described broadcast is specially: play described the second multimedia file at display position corresponding to described the first media file.
Above-mentioned media file method for previewing, wherein, when described the second media file was audio file, described media file method for previewing also comprised:
When playing described the second media file, show a playing progress bar at display position corresponding to described the first media file, and control the playing progress rate that described playing progress bar shows described audio file.
Above-mentioned media file method for previewing, wherein, determine that from described at least one media file the first media file specifically comprises:
The input of intercepting and capturing first user;
From described at least one media file, determine described the first media file according to user's input of intercepting and capturing.
Above-mentioned media file method for previewing, wherein, the reproduction time of described the first media file is less than default very first time during thresholding, the reproduction time of described the second media file is half of reproduction time of described the first media file, otherwise the reproduction time of described the second media file is default reproduction time length.
To achieve these goals, the embodiment of the invention provides a kind of media file pre-viewing device, uses an electronic equipment, at least one media file of storage in the described electronic equipment, and described media file pre-viewing device comprises:
Determination module is used for determining the first media file from described at least one media file;
Acquisition module is used for obtaining second media file related with described the first media file;
Playing module is used for playing described the second media file.
Above-mentioned media file pre-viewing device, wherein, described the second media file is the media file that generates according to the partial document data in described the first media file.
Above-mentioned media file pre-viewing device, wherein, the media file of described the second media file for generating and preserve in advance.
Above-mentioned media file pre-viewing device, wherein, described acquisition module specifically comprises:
Resolution unit is used for resolving described the first media file, obtains original file data;
Selected cell is used for dividing file data from described original file data selection portion;
Generation unit is used for generating described the second media file according to the partial document data of selecting.
Above-mentioned media file pre-viewing device, wherein, described generation unit specifically comprises:
Generate subelement, be used for generating the 3rd media file according to described partial document data;
The compression subelement is used for described the 3rd media file is compressed processing, obtains described the second media file.
Above-mentioned media file pre-viewing device, wherein, described playing module specifically is used for playing described the second multimedia file at display position corresponding to described the first media file.
Above-mentioned media file pre-viewing device, wherein, when described the second media file was audio file, described media file pre-viewing device also comprised:
Display module is used for showing a playing progress bar at display position corresponding to described the first media file, and controlling the playing progress rate that described playing progress bar shows described audio file when playing described the second media file.
Above-mentioned media file pre-viewing device, wherein, described determination module specifically comprises:
Intercept and capture the unit, be used for intercepting and capturing the first user input;
Determining unit is used for determining described the first media file according to user's input of intercepting and capturing from described at least one media file.
Above-mentioned media file pre-viewing device, wherein, the reproduction time of described the first media file is less than default very first time during thresholding, the reproduction time of described the second media file is half of reproduction time of described the first media file, otherwise the reproduction time of described the second media file is default reproduction time length.
To achieve these goals, the embodiment of the invention provides electronic equipment, comprises in the described electronic equipment:
Store the memory device of at least one media file; With
Processor is used for determining to obtain second media file related with described the first media file behind the first media file from described at least one media file, and plays described the second media file.
Described processor specifically comprises:
Determination module is used for determining the first media file from described at least one media file;
Acquisition module is used for obtaining second media file related with described the first media file;
Playing module is used for playing described the second media file.
The embodiment of the invention has following beneficial effect:
The embodiment of the invention is after determining to need the media file of preview, can obtain the another one media file of associated, realized preview to the media file that needs preview by playing the another one media file, provide a kind of dynamic preview mode to the user, improve user's impression, satisfied user's demand.
In the embodiment of the invention, the second media file can be to generate according to the partial document data in described the first media file, so that user's preview is convenient, simultaneously, can can improve user's preview impression for user's preview provides more information, meet consumers' demand.
Description of drawings
Figure 1 shows that the schematic flow sheet of the method for the embodiment of the invention;
The method that Figure 2 shows that the embodiment of the invention is used for the schematic flow sheet that the Android system carries out video preview;
Figure 3 shows that the structural representation of the device of the embodiment of the invention.
Embodiment
In media file method for previewing, device and the electronic equipment of the embodiment of the invention, when media file is carried out preview, can obtain another media file of associated, and realize the preview of original media file by playing this association media file, present dynamic preview mode to the user by the way, satisfied user's request.
A kind of media file method for previewing of the embodiment of the invention is used an electronic equipment, at least one media file of storage in the described electronic equipment, and as shown in Figure 1, described media file method for previewing comprises:
The media file method for previewing of the embodiment of the invention is after determining to need the media file of preview, can obtain the another one media file of associated, realized preview to the media file that needs preview by playing the another one media file, provide a kind of dynamic preview mode to the user, improve user's impression, satisfied user's demand.
In specific embodiments of the invention, above-mentioned media file refers to video file and/or audio file, and it does not comprise picture file.
In specific embodiments of the invention, the second above-mentioned media file can generate according to the first media file, also can not generate according to the first media file, is respectively described below.
As for a video file A1, such as a film, the user downloads a trailer A2 of this film, and set up incidence relation between the two, when the user needs preview A1, then utilize the media file method for previewing of the embodiment of the invention, at first can find the A2 of associated, then the preview of A1 is provided for the user by playing A2.
Under the above-mentioned mode, the first media file and the second media file in the generation of file without any relation, the two all is independent generation, sets up incidence relation but this mode needs the user to seek in addition a media file, relatively trouble.
Therefore, in the media file method for previewing of the embodiment of the invention, the second media file can be to generate according to the partial document data in described the first media file, illustrates as follows.
As for a video file A1, utilize the media file method for previewing of the embodiment of the invention, certain part that then can extract this video file A1 forms the video file A2 of pre-association, when the user needs preview A1, then only need to obtain A2, then the preview of A1 is provided for the user by playing A2.
Under this mode, on the one hand, A2 is that a part of file data by video file A1 generates, and the user no longer needs again to go for a new file and sets up incidence relation, and comparatively speaking, the user uses convenient.And on the other hand, A2 is that a part of file data by video file A1 generates, and the relation between A1 and the A2 is closer, can provide more information for user's preview, can improve user's preview impression, meets consumers' demand.
Under the second way, described the second media file is the media file that generates according to the partial document data in described the first media file, and in the concrete implementation, this second media file can be to generate in advance and preserve, also can be after determining to treat the media file of preview, to generate in real time, this dual mode is respectively described below.
＜generating mode in advance 〉
Under this mode, the media file of the second media file for generating and preserve in advance is described in detail as follows.
Specify some existing media files such as the user, then by resolving this existing media file, obtain original file data, then divide file data by automatic or manual mode selection portion, at last according to the newly-generated media file of partial document data of selecting.
At newly-generated this media file, preserve this newly-generated media file, record simultaneously the incidence relation of this newly-generated media file and former media file.
When the user needs the former media file of preview, utilize the media file method for previewing of the embodiment of the invention, can search the newly-generated media file related with former media file, then provide preview by playing this newly-generated media file for the user.
Utilize this mode, can respond fast user's preview demand.
＜real-time generating mode 〉
Utilize the mode that generates in advance, when media file is more in the electronic equipment, then may need a large amount of spaces to store the media file that these are used for preview, simultaneously, have some files the user not need preview, this also can waste storage space, therefore, in the specific embodiment of the invention, also can provide by the mode of real-time generation the second media file, be described as follows.
In real time under the generating mode, describedly obtain second media file related with described the first media file and specifically comprise:
Resolve described the first media file, obtain original file data;
Selection portion is divided file data from described original file data;
Generate described the second media file according to the partial document data of selecting.
Under this mode, when the user need to determine preview the first media file, just can generate the second media file according to the first media file in real time, can not waste storage space like this.
Certainly above-mentioned partial document data can be the file datas that forms a continuous media broadcast segment in described the first media file; Or form the file data that a plurality of continuous medias in described the first media file are play segments, wherein, described a plurality of continuous medias are play between the segments discontinuous.
Illustrate as follows.
Suppose one section video file playout length 10s, then can select file data corresponding to 3s-6s to form the second media file, also can select 1s-2s to add that 5s-6s adds that file data corresponding to 8s-9s forms the second media file.
Above-mentioned dual mode respectively has superiority, and the user can choose the end according to self needs and obtain which kind of file data.
Certainly, above in advance generating mode and real-time generating mode can use separately, also can combine use.During such as first time preview, search and whether have related media file, if exist, then directly utilize this existing media file that the support of preview is provided, otherwise, in real time according to treating that the media file of preview generates in real time, and utilize the media file that generates in real time that the support of preview is provided, preserve simultaneously this media file that generates in real time and the incidence relation for the treatment of the media file of preview, then in follow-up preview, can utilize existing media file that the support of preview is provided.
Can find by above description, in the specific embodiment of the invention, " obtaining " word in " obtaining the second media file related with described the first media file " not only can represent to read already present media file, can also represent a newly-generated media file.
Certainly, in the specific embodiment of the invention, in order to reduce taking of preview resource, the above-mentioned partial document data according to selecting generate described the second media file and specifically comprise:
Generate the 3rd media file according to described partial document data;
Described the 3rd media file is compressed processing, obtain described the second media file.
By above-mentioned mode, the intermediate medium file that generates according to the partial document data is compressed processing (as reducing resolution etc.), obtain finally being used for the second media file of preview, therefore, the resource occupation of this second media file can reduce relatively, especially at the same time during a plurality of media file of preview, broadcast can be more smooth.
In the specific embodiment of the invention, described the second media file of described broadcast is specially: play described the second multimedia file at display position corresponding to described the first media file.
For video file, be exactly the broadcast of image in preview, and when the second media file was audio file, in order to increase user's impression, described media file method for previewing also comprised:
When playing described the second media file, show a playing progress bar at display position corresponding to described the first media file, and control the playing progress rate that described playing progress bar shows described audio file.
That is to say, for audio file, when playing sound, display position at audio file also can present a playing progress bar, this playing progress bar shows the playing progress rate of described audio file, time span such as audio file is 10s, when beginning to play, play position mark in the progress bar is in the original position of whole progress bar, and after playing 1s, the play position mark in this progress bar is in 1/10 place of whole progress bar, after playing 1s, play position mark in this progress bar is in 1/2 place of whole progress bar, and after finishing, the play position mark in the progress bar is in the end of whole progress bar.
In specific embodiments of the invention, at first need to determine the first media file from described at least one media file, and thisly determine it can is various ways, as:
Some files are opened, and all media files under this document are confirmed as the first media file;
Some files are opened, and the user waits operation to click wherein some media files by mouse/touch, and clicked media file is confirmed as the first media file.
Under the first kind of way, in case comprise a plurality of media files under the file, then can be at all media files corresponding display position play the media file of each auto correlation, preview when realizing all media files, and under the second way, then can operate according to the user preview of selectable realization particular media files.
And under above-mentioned any one mode of operation, determine that from described at least one media file the first media file specifically comprises:
The input of intercepting and capturing first user;
From described at least one media file, determine described the first media file according to user's input of intercepting and capturing.
In specific embodiments of the invention, the reproduction time of described the first media file is less than default very first time during thresholding, the reproduction time of described the second media file is half of reproduction time of described the first media file, otherwise the reproduction time of described the second media file is default reproduction time length.
Above-mentioned mode can be avoided the preview overlong time.
The below is routine as follows to a kind of specific implementation process description of the embodiment of the invention with being treated to of the video file in the Android system, as shown in Figure 2, MediaScanner carries out image (picture and video) scan operation in the Android system, generates thumbnail separately.
After scanning a file, judge that whether this document is video file, if not video file, then according to common flow processing, does not describe at this.
When scanning video file, then obtain duration and the other standards information (such as type, resolution etc.) of video, then take different measures according to the time span of video, as follows.
If the time span of video surpasses 15s, consider the preview time, the video clips of (beginning such as 3s) intercepting predetermined length (such as 10s) from some points of video then, otherwise from some points of video half video clips of the time span of (beginning such as 3s) intercepting video.
After obtaining above-mentioned video clips, then can carry out the video compress operation, such as the equal proportion compression, at last the video flowing that obtains is saved in the sectional drawing file.
In user's preview, then can call the video flowing of this preservation and play at the display position of video file, make the user can preview.
Should be understood that above-mentioned time span, intercepting time starting point etc. all only illustrates, it can be made amendment according to actual needs, can not be as the restriction to the application.
The media file pre-viewing device of the embodiment of the invention is used an electronic equipment, at least one media file of storage in the described electronic equipment, and described media file pre-viewing device comprises as shown in Figure 3:
Determination module is used for determining the first media file from described at least one media file;
Acquisition module is used for obtaining second media file related with described the first media file;
Playing module is used for playing described the second media file.
Described the second media file is the media file that generates according to the partial document data in described the first media file.
Described the second media file also can be the media file that generates in advance and preserve.
In the embodiment of the invention, obtain the second media file and can obtain by real-time mode, under this mode, described acquisition module specifically comprises:
Resolution unit is used for resolving described the first media file, obtains original file data;
Selected cell is used for dividing file data from described original file data selection portion;
Generation unit is used for generating described the second media file according to the partial document data of selecting.
Consider situations such as processing taking of the taking of resource, storage space, above-mentioned generation unit specifically comprises:
Generate subelement, be used for generating the 3rd media file according to described partial document data;
The compression subelement is used for described the 3rd media file is compressed processing, obtains described the second media file.
For more convenient user, in the specific embodiment of the invention, described playing module is play described the second multimedia file at display position corresponding to described the first media file.
In order to make the user that more intuitive impression be arranged, in the specific embodiment of the invention, when described the second media file was audio file, described media file pre-viewing device also comprised:
Display module is used for showing a playing progress bar at display position corresponding to described the first media file, and controlling the playing progress rate that described playing progress bar shows described audio file when playing described the second media file.
The user can be by the preview progress of above-mentioned playing progress bar Real-time Obtaining audio frequency.
In the specific embodiment of the invention, can determine to treat according to user's input the media file of preview, described determination module specifically comprises in this case:
Intercept and capture the unit, be used for intercepting and capturing the first user input;
Determining unit is used for determining described the first media file according to user's input of intercepting and capturing from described at least one media file.
For suitable preview time span is provided to the user, the reproduction time of described the first media file is less than default very first time during thresholding, the reproduction time of described the second media file is half of reproduction time of described the first media file, otherwise the reproduction time of described the second media file is default reproduction time length.
The embodiment of the invention also provides a kind of electronic equipment, comprises in the described electronic equipment:
Store the memory device of at least one media file; With
Processor is used for determining to obtain second media file related with described the first media file behind the first media file from described at least one media file, and plays described the second media file.
Described processor specifically comprises:
Determination module is used for determining the first media file from described at least one media file;
Acquisition module is used for obtaining second media file related with described the first media file;
Playing module is used for playing described the second media file.
In the embodiment of the invention, module can realize with software, in order to carried out by various types of processors.For instance, the executable code module of a sign can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module need not to be physically located in together, but can comprise the different instruction on being stored in the coordination not, when combining on these command logics, and its composition module and realize the regulation purpose of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on a plurality of different code segments, be distributed in the middle of the distinct program, and cross over a plurality of memory devices and distribute.Similarly, service data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described service data can be used as the individual data collection and is collected, and perhaps can be distributed on the diverse location (to be included on the different storage device), and can only be present on system or the network as electronic signal at least in part.
When module can utilize software to realize, consider the level of existing hardware technique, so can be with the module of software realization, in the situation of not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, realizations such as field programmable gate array, programmable logic array, programmable logic device.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a media file method for previewing is used an electronic equipment, and at least one media file of storage in the described electronic equipment is characterized in that described media file method for previewing comprises:
From described at least one media file, determine the first media file;
Obtain second media file related with described the first media file;
Play described the second media file.
2. media file method for previewing according to claim 1 is characterized in that, described the second media file is the media file that generates according to the partial document data in described the first media file.
3. media file method for previewing according to claim 1 and 2 is characterized in that, the media file of described the second media file for generating and preserve in advance.
4. media file method for previewing according to claim 1 is characterized in that, describedly obtains second media file related with described the first media file and specifically comprises:
Resolve described the first media file, obtain original file data;
Selection portion is divided file data from described original file data;
Generate described the second media file according to the partial document data of selecting.
5. media file method for previewing according to claim 4 is characterized in that, generates described the second media file according to the partial document data of selecting and specifically comprises:
Generate the 3rd media file according to described partial document data;
Described the 3rd media file is compressed processing, obtain described the second media file.
6. media file method for previewing according to claim 1 is characterized in that, described the second media file of described broadcast is specially: play described the second multimedia file at display position corresponding to described the first media file.
7. media file method for previewing according to claim 1 is characterized in that, when described the second media file was audio file, described media file method for previewing also comprised:
When playing described the second media file, show a playing progress bar at display position corresponding to described the first media file, and control the playing progress rate that described playing progress bar shows described audio file.
8. media file method for previewing according to claim 1 is characterized in that, determines that from described at least one media file the first media file specifically comprises:
The input of intercepting and capturing first user;
From described at least one media file, determine described the first media file according to user's input of intercepting and capturing.
9. media file method for previewing according to claim 1, it is characterized in that, the reproduction time of described the first media file is less than default very first time during thresholding, the reproduction time of described the second media file is half of reproduction time of described the first media file, otherwise the reproduction time of described the second media file is default reproduction time length.
10. a media file pre-viewing device is used an electronic equipment, and at least one media file of storage in the described electronic equipment is characterized in that described media file pre-viewing device comprises:
Determination module is used for determining the first media file from described at least one media file;
Acquisition module is used for obtaining second media file related with described the first media file;
Playing module is used for playing described the second media file.
11. media file pre-viewing device according to claim 10 is characterized in that, described the second media file is the media file that generates according to the partial document data in described the first media file.
12. according to claim 10 or 11 described media file pre-viewing devices, it is characterized in that the media file of described the second media file for generating and preserve in advance.
13. media file pre-viewing device according to claim 10 is characterized in that, described acquisition module specifically comprises:
Resolution unit is used for resolving described the first media file, obtains original file data;
Selected cell is used for dividing file data from described original file data selection portion;
Generation unit is used for generating described the second media file according to the partial document data of selecting.
14. media file pre-viewing device according to claim 13 is characterized in that, described generation unit specifically comprises:
Generate subelement, be used for generating the 3rd media file according to described partial document data;
The compression subelement is used for described the 3rd media file is compressed processing, obtains described the second media file.
15. media file pre-viewing device according to claim 10 is characterized in that, described playing module specifically is used for playing described the second multimedia file at display position corresponding to described the first media file.
16. media file pre-viewing device according to claim 10 is characterized in that, when described the second media file was audio file, described media file pre-viewing device also comprised:
Display module is used for showing a playing progress bar at display position corresponding to described the first media file, and controlling the playing progress rate that described playing progress bar shows described audio file when playing described the second media file.
17. media file pre-viewing device according to claim 10 is characterized in that, described determination module specifically comprises:
Intercept and capture the unit, be used for intercepting and capturing the first user input;
Determining unit is used for determining described the first media file according to user's input of intercepting and capturing from described at least one media file.
18. media file pre-viewing device according to claim 10, it is characterized in that, the reproduction time of described the first media file is less than default very first time during thresholding, the reproduction time of described the second media file is half of reproduction time of described the first media file, otherwise the reproduction time of described the second media file is default reproduction time length.
19. an electronic equipment is characterized in that, comprises in the described electronic equipment:
Store the memory device of at least one media file; With
Processor is used for determining to obtain second media file related with described the first media file behind the first media file from described at least one media file, and plays described the second media file.
20. electronic equipment according to claim 19 is characterized in that, described processor specifically comprises:
Determination module is used for determining the first media file from described at least one media file;
Acquisition module is used for obtaining second media file related with described the first media file;
Playing module is used for playing described the second media file.
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| CN107862065A (en) * | 2017-11-16 | 2018-03-30 | 联想(北京)有限公司 | Multimedia file broadcasting control method and multimedia equipment |
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| CN101360233A (en) * | 2008-09-18 | 2009-02-04 | 中兴通讯股份有限公司 | Method for network digital video preview label generation, playing method and system |
| CN101442664A (en) * | 2008-12-24 | 2009-05-27 | 中兴通讯股份有限公司 | Terminal, system and method for previewing program in mobile multimedia broadcast system |
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| CN104424237A (en) * | 2013-08-27 | 2015-03-18 | 鸿合科技有限公司 | Whiteboard teaching system attachment preview method and whiteboard teaching system |
| CN107862065A (en) * | 2017-11-16 | 2018-03-30 | 联想(北京)有限公司 | Multimedia file broadcasting control method and multimedia equipment |
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