CN103873916A - Video thumbnail processing method, video thumbnail processing system and video player - Google Patents
Video thumbnail processing method, video thumbnail processing system and video player Download PDFInfo
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- CN103873916A CN103873916A CN201210538785.9A CN201210538785A CN103873916A CN 103873916 A CN103873916 A CN 103873916A CN 201210538785 A CN201210538785 A CN 201210538785A CN 103873916 A CN103873916 A CN 103873916A
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Abstract
The invention relates to a video thumbnail processing method, a video thumbnail processing system and a video player. The method comprises a screenshot step in which image capture is carried out on an input video according to preset conditions to obtain a plurality of pictures, a merging step in which the pictures are combined and arranged to generate a composite picture, and a storage step in which the composite picture is stored. According to the method of the invention, as a plurality of pictures obtained through image capture are combined into one picture and stored, the number of files managed by a file system is reduced by tens or even hundreds of times, the number of times of addressing is reduced, and the access efficiency can be possibly improved. As one video corresponds to one composite picture, file management is more convenient. Further, if file access is performed through a network, the network transmission efficiency can also be improved as only one picture needs to be accessed.
Description
Technical field
The application relates to video file treatment technology, relates in particular to a kind of processing method and system and a kind of video player of film thumbnail.
Background technology
Along with the develop rapidly of multimedia technology and network transmission technology, people favor more and more in by the Internet real-time query, appreciate colourful video information.But because the video information quality on the Internet is uneven, for saving time, user is everlasting and finds the most excellent fragment by dragging progress bar while selecting video, using the standard that whether is worth watching as this video.
If video player provides random selection pre-looking function, for the user who wants whole film to have superficial impression, will there is very large help.Based on this, current way is that film is carried out to thumbnail intercepting and storage, intercepts several pictures of film, then it is stored into respectively in file system for user's preview.Due to film duration, the normally dozens or even hundreds of pictures of the sectional drawing quantity of a film; Therefore, there are the following problems for the scheme that this plurality of pictures is stored several times: a large amount of pictures makes the number of nodes of file system management huge, thereby causes the efficiency of management low; And repeatedly addressing and magnetic disc head move operation of needs, further causes access efficiency low when too much picture causes access; In addition, during by network access plurality of pictures, also need repeatedly network operation, further cause the poor efficiency of Internet Transmission.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of processing method, system and video player of film thumbnail.
According to the application's first aspect, a kind of processing method of film thumbnail is provided, comprising: sectional drawing step, the film of input is carried out to picture intercepting by pre-conditioned, obtain plurality of pictures; Combining step, carries out assembled arrangement to generate a width synthesising picture by described plurality of pictures; Storing step, stores described synthesising picture.
In the processing method of described film thumbnail, before the described storing step of execution, also comprise: transmitting step, by synthesising picture described in Internet Transmission.
Further, described pre-conditioned default sectional drawing size, default sectional drawing interval, default output file title and the default output file form of comprising; Described to input film by pre-conditioned carry out picture intercept comprise: to input film, carry out sectional drawing operation according to described default sectional drawing interval by described default sectional drawing size, and the picture that sectional drawing is obtained is exported by described default output file title and described default output file form.
Preferably, described default output file form is bmp picture format; The operation of described sectional drawing adopts the increase income sectional drawing function in storehouse of FFMPEG to realize.
Further, describedly plurality of pictures is carried out to assembled arrangement comprise to generate a width synthesising picture: described plurality of pictures is combined by the mode of ranks, and row is separated by the lines of some pixel wide with row, column and between being listed as.
According to the application's second aspect, a kind for the treatment of system of film thumbnail is provided, comprising: sectional drawing module, for the film of input is carried out to picture intercepting by pre-conditioned, obtains plurality of pictures; Merge module, for described plurality of pictures being carried out to assembled arrangement to generate a width synthesising picture; Memory module, for storing described synthesising picture.
Further, the treatment system of described film thumbnail also comprises: the transport module being connected with described merging module, for by synthesising picture described in Internet Transmission to described memory module.
Further, in the treatment system of described film thumbnail, described pre-conditioned default sectional drawing size, default sectional drawing interval, default output file title and the default output file form of comprising; In described sectional drawing module, to input film by pre-conditioned carry out picture intercept comprise: to input film, carry out sectional drawing operation according to described default sectional drawing interval by described default sectional drawing size, and the picture that sectional drawing is obtained is exported by described default output file title and described default output file form.
Further, in described merging module, describedly plurality of pictures is carried out to assembled arrangement comprise to generate a width synthesising picture: described plurality of pictures is combined by the mode of ranks, and row is separated by the lines of some pixel wide with row, column and between being listed as.
According to the application's the third aspect, a kind of video player is provided, comprise the treatment system of film thumbnail as above.
The application's beneficial effect is: merge into a pictures by the plurality of pictures that sectional drawing is obtained and store, make the number of files of file system management reduce dozens or even hundreds of times, the number of times of addressing simultaneously also will reduce, thereby make access efficiency be able to possible raising; And, because a film is corresponding to a synthesising picture, make file management more convenient; Further, if carry out file access by network, owing to only needing access one pictures, network transmission efficiency is also improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treatment system of the film thumbnail of a kind of embodiment of the application;
Fig. 2 is the structural representation of the treatment system of the film thumbnail of the another kind of embodiment of the application.
Embodiment
By reference to the accompanying drawings the application is described in further detail below by embodiment.
Embodiment 1:
As shown in Figure 1, the treatment system 10 of the film thumbnail of the present embodiment comprises: sectional drawing module 101, merging module 102 and memory module 104.Sectional drawing module 101 is for carrying out picture intercepting to obtain plurality of pictures to the film of input by pre-conditioned, each pictures obtaining after sectional drawing can be described as thumbnail, merge module 102 for the plurality of pictures obtaining being carried out to assembled arrangement to generate a width synthesising picture, memory module 104 is for storing this synthesising picture.
In sectional drawing module, pre-conditioned default sectional drawing size, default sectional drawing interval, default output file title and the default output file form of comprising, wherein default sectional drawing interval is used for determining and needing the picture number and the sectional drawing position that intercept in conjunction with film duration, as described in frame number or the number of seconds of film of input.For instance, for the video file of 5 minutes duration, default sectional drawing is spaced apart 30 seconds, and result of calculation is for needing 10 of sectional drawings, intercepts respectively the positions such as 30 seconds, 60 seconds, 90 seconds.Film to input specifically comprises by pre-conditioned process of carrying out picture intercepting: to the film of input, carry out sectional drawing operation according to default sectional drawing interval by default sectional drawing size, and the picture that sectional drawing is obtained exports by default output file title and default output file form, and be stored as interim small documents.
In a kind of example, the sectional drawing operation of sectional drawing module adopts the increase income sectional drawing function in storehouse of FFMPEG to realize.FFMPEG is a set of record, converting digital audio frequency and video of can being used for, and can be translated into the computer program of increasing income of stream, it has comprised current leading audio/video coding storehouse libavcodec, has as video acquisition, video format conversion, video capture, to functions such as video with watermark.
System call sectional drawing module can adopt command line mode, for example:
Capture-I movie file-s 200x100-P 30-O 1.bmp
In this order line, capture is the title of sectional drawing module;-I has specified the film (i.e. the film of input) of wanting sectional drawing,-s has specified the size (i.e. default sectional drawing size) of sectional drawing,-P has specified the interval (i.e. default sectional drawing interval) of sectional drawing, be the number of seconds that film is relative ,-O has specified export file name and form (i.e. default output file title and default output file form).
In a kind of realization, sectional drawing module once intercepts a pictures, carries out sectional drawing (as being made as 30 seconds) by default sectional drawing interval, and the interim small documents title of output is made as 1.bmp, 2.bmp, 3.bmp ...Take the film of 5 minutes as example, by 30 seconds interval sectional drawings, call according to this order behavior of sectional drawing module:
Capture-I movie file-s 200x100-P 30-O 1.bmp
Capture-I movie file-s 200x100-P 60-O 2.bmp
Capture-I movie file-s 200x100-P 90-O 3.bmp
Capture-I movie file-s 200x100-P 120-O 4.bmp
Capture-I movie file-s 200x100-P 150-O 5.bmp
Capture-I movie file-s 200x100-P 180-O 6.bmp
Capture-I movie file-s 200x100-P 210-O 7.bmp
Capture-I movie file-s 200x100-P 240-O 8.bmp
Capture-I movie file-s 200x100-P 270-O 9.bmp
Capture-I movie file-s 200x100-P 300-O 10.bmp
After all command calls complete, under the current place of the treatment system catalogue of film current directory or film thumbnail, the small documents of 10 bmp forms will be produced.During due to sectional drawing, undertaken by default sectional drawing interval, therefore, the thumbnail that sectional drawing obtains is with temporal information.
Merge module and adopt the mode of multiple lines and multiple rows to combine a width synthesising picture, wherein, between row and row, column and row, separated by the lines of some pixel wide (as 2 pixels), can adopt lines coloured as green (RGB:#00FF00) to separate.In realization, every row of synthesising picture can be fixed, as is 10 little figure, and line number is according to picture number automatic adaptation.In another kind of realization, can line number fix, columns is according to picture number automatic adaptation.The blank parts of not filling little figure also can be filled as green (RGB:#00FF00) etc.The form of synthesising picture can adopt JPG form, its title can adopt as: HASH_200x100_30.jpg names, the HASH that wherein HASH is film, 200x100 is the length of thumbnail and wide, the 30 intercepting intervals that are thumbnail.
When specific implementation, also can adopt FFMPEG increase income storehouse realize merge module.System call merges module also can adopt command line mode, for example:
Merge-I temporary file catalogue-C temporary file number-O output file-b 00ff00
In this order line, merge is for merging module title, and-I has specified the catalogue at thumbnail place,-C has specified the quantity of thumbnail,-O specifies the large thumbnail file name after merging, and-b specifies ranks interval and background Fill Color (example is 00ff00, green) herein.
For example, to the combine command of 5 minutes film be:
merge-I.-C?10-O?9A7300A.jpg
After this command execution completes, can obtain synthesising picture.
Memory module can store the synthesising picture obtaining in file system into.
Compare traditional film thumbnail and intercept and storage means, conventional method, owing to there is a large amount of thumbnails, makes the number of nodes of file system management huge, needs repeatedly addressing and magnetic disc head move operation and inefficiency in the time of access; The present embodiment is merged into a pictures by the plurality of pictures that sectional drawing is obtained and is stored, and can make the number of files of file system management reduce by tens hundreds of times, and the number of times of addressing simultaneously also reduces, and has improved access efficiency; And a corresponding synthesising picture of film, more convenient management.
Based on the treatment system of aforesaid film thumbnail, the application also provides a kind of processing method of film thumbnail, and in a kind of embodiment, the method comprises the steps:
Step S11, sectional drawing step, carries out picture intercepting to the film of input by pre-conditioned, obtains plurality of pictures;
Step S12, combining step, carries out assembled arrangement to generate a width synthesising picture by plurality of pictures;
Step S13, storing step, storage synthesising picture.
The detailed process of the processing method embodiment of aforesaid film thumbnail can, with reference to the implementation procedure of each module in the treatment system of aforementioned film thumbnail, no longer repeat at this.
Embodiment 2:
As shown in Figure 2, the treatment system 20 of the film thumbnail of the present embodiment comprises: sectional drawing module 201, merging module 202, transport module 203 and memory module 204.Sectional drawing module 201 is for carrying out picture intercepting to obtain plurality of pictures to the film of input by pre-conditioned, merge module 202 for the plurality of pictures obtaining being carried out to assembled arrangement to generate a width synthesising picture, transport module 203 is connected with merging module 202, for passing through Internet Transmission synthesising picture to memory module 204, memory module 204 is for storing this synthesising picture.Sectional drawing module 201, merging module 202 and memory module 204 are similar with sectional drawing module 101, merging module 102 and the memory module 104 of embodiment 1 respectively, do not repeat at this.Transport module 203 can adopt existing network transmission technology to realize, and this is not limited.
The present embodiment is in the time realizing the access of film thumbnail, owing to only need uploading or download a synthesising picture, avoid repeatedly network access, make network service efficiency be able to possible raising, solve film thumbnail because of the low problem of download efficiency of uploading that repeatedly network operation brings, meanwhile, solve the low problem of small documents access efficiency in file system, solved a problem of management that corresponding multiple thumbnails of film bring.
The treatment system of the film thumbnail based on the present embodiment, the application also provides a kind of processing method of film thumbnail, and in a kind of embodiment, the method comprises the steps:
Step S21, sectional drawing step, carries out picture intercepting to the film of input by pre-conditioned, obtains plurality of pictures;
Step S22, combining step, carries out assembled arrangement to generate a width synthesising picture by plurality of pictures;
Step S23, transmitting step, by Internet Transmission synthesising picture.
Step S24, storing step, storage synthesising picture.
The detailed process of the processing method embodiment of aforesaid film thumbnail can, with reference to the implementation procedure of each module in the treatment system of aforementioned film thumbnail, no longer repeat at this.
In a kind of design, the treatment system of the film thumbnail of the present embodiment can be divided into both sides, one side is thumbnail client, opposite side is thumbnail storage server, thumbnail client is the scheduler module of whole system, be responsible for scheduling sectional drawing module, merge module and transport module, sectional drawing module is responsible for, according to client instruction, film is carried out to sectional drawing operation, merging module is responsible for the thumbnail of sectional drawing module intercepts to be merged into a large thumbnail (being synthesising picture) by certain specification, transport module is responsible for synthesising picture to upload to thumbnail storage server by network, thumbnail storage server is responsible for storing synthesising picture into file system.
Embodiment 3:
The present embodiment provides a kind of video player, and it comprises the treatment system of the film thumbnail of embodiment 1 or embodiment 2.
Video player is video jukebox software or is embedded in browser as ActiveX control.In a kind of realization, in the actions menu of video player, preview option is set, this preview option is pointed to preview fragment, and preview fragment is multiple thumbnail pictures that obtain after synthesising picture decomposes.Be appreciated that, video player also has decomposing module, for the synthesising picture of the treatment system of film thumbnail being decomposed into multiple the thumbnail pictures before its merging, because thumbnail picture is with temporal information, therefore, these thumbnail pictures are arranged in chronological order, can be used as preview fragment.After preview function, user can utilize the time still less to remove to appreciate video, judges whether to watch complete video; And then avoid user after the major part of watching multitude of video or video, still not find own required information.
The information that the video player of the present embodiment can help user to select oneself in the video of magnanimity to need, can help user go to watch complete video in the situation that, roughly film to be presented to user not free, makes user can tentatively understand this film; All right these attraction spectators' eyeball further, the income of increase video website.
It will be appreciated by those skilled in the art that, in above-described embodiment, all or part of step of the whole bag of tricks can be carried out instruction related hardware by program and completes, this program can be stored in a computer-readable recording medium, and storage medium can comprise: read-only memory, random asccess memory, disk or CD etc.
Above content is the further description of the application being done in conjunction with concrete execution mode, can not assert that the application's concrete enforcement is confined to these explanations.For the application person of an ordinary skill in the technical field, not departing under the prerequisite of the application's design, can also make some simple deduction or replace.
Claims (10)
1. a processing method for film thumbnail, is characterized in that, comprising:
Sectional drawing step, carries out picture intercepting to the film of input by pre-conditioned, obtains plurality of pictures;
Combining step, carries out assembled arrangement to generate a width synthesising picture by described plurality of pictures;
Storing step, stores described synthesising picture.
2. the processing method of film thumbnail as claimed in claim 1, is characterized in that, before the described storing step of execution, also comprises: transmitting step, and by synthesising picture described in Internet Transmission.
3. the processing method of film thumbnail as claimed in claim 1 or 2, is characterized in that, described pre-conditioned default sectional drawing size, default sectional drawing interval, default output file title and the default output file form of comprising;
Described to input film by pre-conditioned carry out picture intercept comprise: to input film, carry out sectional drawing operation according to described default sectional drawing interval by described default sectional drawing size, and the picture that sectional drawing is obtained is exported by described default output file title and described default output file form.
4. the processing method of film thumbnail as claimed in claim 3, is characterized in that, described default output file form is bmp picture format; The operation of described sectional drawing adopts the increase income sectional drawing function in storehouse of FFMPEG to realize.
5. the processing method of film thumbnail as claimed in claim 1 or 2, it is characterized in that, describedly plurality of pictures is carried out to assembled arrangement comprise to generate a width synthesising picture: described plurality of pictures is combined by the mode of ranks, and row is separated by the lines of some pixel wide with row, column and between being listed as.
6. a treatment system for film thumbnail, is characterized in that, comprising:
Sectional drawing module, for the film of input is carried out to picture intercepting by pre-conditioned, obtains plurality of pictures;
Merge module, for described plurality of pictures being carried out to assembled arrangement to generate a width synthesising picture;
Memory module, for storing described synthesising picture.
7. the treatment system of film thumbnail as claimed in claim 6, is characterized in that, also comprises the transport module being connected with described merging module, for by synthesising picture described in Internet Transmission to described memory module.
8. the treatment system of the film thumbnail as described in claim 6 or 7, is characterized in that, described pre-conditioned default sectional drawing size, default sectional drawing interval, default output file title and the default output file form of comprising;
In described sectional drawing module, to input film by pre-conditioned carry out picture intercept comprise: to input film, carry out sectional drawing operation according to described default sectional drawing interval by described default sectional drawing size, and the picture that sectional drawing is obtained is exported by described default output file title and described default output file form.
9. the treatment system of the film thumbnail as described in claim 6 or 7, it is characterized in that, in described merging module, describedly plurality of pictures is carried out to assembled arrangement comprise to generate a width synthesising picture: described plurality of pictures is combined by the mode of ranks, and row is separated by the lines of some pixel wide with row, column and between being listed as.
10. a video player, is characterized in that, comprises the treatment system of the film thumbnail as described in claim 6-9 any one.
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CN108632676B (en) * | 2018-05-11 | 2022-02-22 | 腾讯科技(深圳)有限公司 | Image display method, image display device, storage medium and electronic device |
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