CN104540000B - The generation method and terminal of a kind of dynamic thumbnail - Google Patents
The generation method and terminal of a kind of dynamic thumbnail Download PDFInfo
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- CN104540000B CN104540000B CN201410741244.5A CN201410741244A CN104540000B CN 104540000 B CN104540000 B CN 104540000B CN 201410741244 A CN201410741244 A CN 201410741244A CN 104540000 B CN104540000 B CN 104540000B
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- 238000007906 compression Methods 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 10
- AWSBQWZZLBPUQH-UHFFFAOYSA-N mdat Chemical compound C1=C2CC(N)CCC2=CC2=C1OCO2 AWSBQWZZLBPUQH-UHFFFAOYSA-N 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 1
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Classifications
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- 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
-
- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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- 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
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- H—ELECTRICITY
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- 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
- H04N21/47205—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 manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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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- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
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Abstract
The present embodiments relate to electronic technology field, a kind of generation method of dynamic thumbnail is disclosed, this method includes：Extract the multiple images frame of the first video file；The multiple images frame being drawn into is added into thumbnail image to concentrate；The picture frame concentrated according to the thumbnail image generates dynamic thumbnail, the embodiment of the present invention additionally provides a kind of terminal, the rapid preview of video file can be realized using the embodiment of the present invention so that user understands the main information of video file in a short time, improve Consumer's Experience.
Description
Technical field
The present invention relates to the generation method and terminal in video information field, more particularly to a kind of dynamic thumbnail.
Background technology
Video resource is presented to user by video service provider by way of the page, and user can be in the corresponding page pair
The video accordingly watched carries out program request.At present, preview interface is generally using static picture, and these pictures are generally the of video
The sectional drawing of one frame or video album.Only the main contents for allowing user to understand video, and user are only unable to reach by a pictures
Normally watch a certain video, if it is desired to understand the development of action of the video, it is necessary to be checked in the way of F.F. or in the way of redirecting,
And F.F. or redirect needs just to may be viewed by after waiting video buffer.
Prior art, for a user, if current network conditions are bad, can cause F.F. or redirect to need pending buffer
Overlong time, if user has been understood after the content of the video, it is found not to be want viewing content, then can cause waste user
Time, therefore how to allow user to understand the content of the video before viewing video, as technical problem urgently to be resolved hurrily.
The content of the invention
The embodiment of the present invention provides a kind of generation method and terminal of dynamic thumbnail, for realizing the quick of video file
Preview so that user understands the main information of video file in a short time, improves Consumer's Experience.
First aspect present invention provides a kind of generation method of dynamic thumbnail, including：
Extract the multiple images frame of the first video file；
The multiple images frame being drawn into is added into thumbnail image to concentrate；
The picture frame concentrated according to the thumbnail image generates dynamic thumbnail.
In the first possible implementation, before the multiple images frame of the first video file is extracted, parsing is described
First video file to obtain the essential information of first video file, wherein, it is described extract the first video file it is multiple
Picture frame, including：Judge in the ending mark for including file according to the essential information of first video file got
In the case that first video file can generate dynamic thumbnail, the multiple images frame of first video file is extracted.
In second of possible implementation, judge whether the duration of first video file exceedes predetermined threshold value,
If judging, the duration of first video file exceedes the predetermined threshold value, extracts multiple passes in first video file
Key picture frame, wherein, the multiple picture frame includes multiple key images frames.
In the third possible way of example, parse first video file to obtain first video file
Essential information, chosen according to the essential information of first video file got for decoding first video file
Decoder, first video file is decoded using the decoder of selection to obtain first video file
Decoded picture frame, the decoded picture frame of first video file is entered between-line spacing extract it is described to obtain
Multiple images frame.
With reference to second of possible implementation of first aspect, in the 4th kind of possible implementation, it will be drawn into
Multiple key images frames carry out transcoding to obtain multiple key images frames after transcoding according to default coded system, and by institute
State multiple key images frames after transcoding and add thumbnail image concentration.
With reference to the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, by the contracting
Multiple key images frames in sketch map image set are compressed into a dynamic GIF picture.
With reference to the third possible implementation of first aspect, in the 6th kind of possible implementation, it will extract
To the multiple picture frame be compressed according to default ratio with the multiple images frame after being compressed, and by the compression
Multiple images frame afterwards adds thumbnail image and concentrated.
With reference to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation, by the contracting
The second video file of dynamic play is capable of in picture frame write-in in sketch map image set, and second video file is the dynamic
Thumbnail.
Second aspect of the present invention provides a kind of terminal, including：
Extracting unit：Multiple images frame for extracting the first video file；
Add unit：Concentrated for the multiple images frame being drawn into be added into thumbnail image；
Generation unit：Picture frame for being concentrated according to the thumbnail image generates dynamic thumbnail.
In the first possible implementation, resolution unit is described to obtain for parsing first video file
The essential information of first video file, wherein, the extracting unit specifically for：According to first video text got
In the case that ending mark of the essential information of part including file judges that first video file can generate dynamic thumbnail,
Extract the multiple images frame of first video file.
In second of possible implementation, the extracting unit includes：Judging unit, for judging that described first regards
Whether the duration of frequency file exceedes predetermined threshold value；
First extracting unit, for judging that the duration of first video file exceedes default threshold in the judging unit
Value, then extract the key images frame in first video file, wherein, the multiple picture frame includes multiple key images
Frame.
In the third possible implementation, the resolution unit is additionally operable to parsing first video file to obtain
Take the essential information of first video file；
Wherein, the extracting unit includes：Unit is chosen, for according to the basic of first video file got
Information chooses the decoder for decoding first video file；
Decoding unit, for using choosing decoder that unit selection goes out to being decoded to first video file,
To obtain the decoded picture frame of first video file；
Second extracting unit, takes out for entering between-line spacing to the decoded picture frame to first video file
Take, to obtain the multiple picture frame.
It is described to add in the 4th kind of possible implementation with reference to second of possible implementation of second aspect
Unit includes：Transcoding units, for the multiple key images frames being drawn into be carried out into transcoding according to default coded system, with
Multiple key images frames after to transcoding；
First adds unit, and the multiple key images frames obtained after transcoding for the transcoding units transcoding to be obtained add
Enter thumbnail image concentration.
With reference to the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation, the generation
Unit by multiple key images frames that the thumbnail image is concentrated specifically for being compressed into a dynamic GIF picture.
It is described to add in the 6th kind of possible implementation with reference to the third possible implementation of second aspect
Unit includes：Compression unit, is compressed for will extract obtained the multiple picture frame according to default ratio, to obtain
Multiple images frame after compression；
Second adds unit, and thumbnail image collection is added for the compression unit to be compressed to obtained multiple images frame
In.
With reference to the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation, the generation
Unit specifically for：
The second video file of dynamic play is capable of in the picture frame write-in that the thumbnail image is concentrated, and described second regards
Frequency file is the dynamic thumbnail.
Implement the embodiment of the present invention, have the advantages that：
In the embodiment of the present invention, by extracting the multiple images frame of video file, the multiple images frame being drawn into is added
Thumbnail image is concentrated, and the picture frame concentrated according to above-mentioned thumbnail image generates dynamic thumbnail, it is achieved thereby that video
The rapid preview of file so that user understands the main information of video file in a short time, improves Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of first embodiment flow chart of the generation method of dynamic thumbnail provided in an embodiment of the present invention；
Fig. 2 is a kind of second embodiment flow chart of the generation method of dynamic thumbnail provided in an embodiment of the present invention；
Fig. 3 is a kind of 3rd embodiment flow chart of the generation method of dynamic thumbnail provided in an embodiment of the present invention；
Fig. 4 is the first embodiment structural representation of terminal provided in an embodiment of the present invention；
Fig. 5 is terminal second embodiment structural representation provided in an embodiment of the present invention；
Fig. 6 is the 3rd embodiment structural representation of terminal provided in an embodiment of the present invention；
Fig. 7 is the fourth embodiment structural representation of terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The terminal referred in the embodiment of the present invention can include PC, smart mobile phone (such as Android phone, iOS hands
Machine etc.), tablet personal computer, MP4, palm PC, mobile internet device (Mobile Internet Devices, MID) or wearing
Formula smart machine etc..
Fig. 1 is referred to, is a kind of first embodiment stream of the generation method of dynamic thumbnail provided in an embodiment of the present invention
Cheng Tu；This method may include following steps：
S101, the multiple images frame for extracting the first video file.
In the embodiment of the present invention, video file is that the lattice such as AVI, wma, MP4, flash of generation are compressed by multiple images frame
The video file of formula, because existing video file is larger, before terminal generation dynamic thumbnail, it is not necessary to extract video file
All picture frames, therefore generation dynamic thumbnail method first step first extract the first video file be used for generate
The multiple images frame of dynamic thumbnail, wherein, " multiple " represent two or more, and above-mentioned dynamic thumbnail is represented through overvoltage
Contracting mode handle after can dynamic play GIF pictures or video file, facilitate user's preview, above-mentioned first video file regards for original
Frequency file.
S102, the multiple images frame that is drawn into is added into thumbnail image concentrated.
In the embodiment of the present invention, the multiple images frame for being used to generate dynamic thumbnail being drawn into is added thumbnail by terminal
Stored in image set, above-mentioned thumbnail image collection can be stored in the local storage space of terminal, high in the clouds, or the terminal
Memory space of external carry etc..
S103, the picture frame concentrated according to the thumbnail image generate dynamic thumbnail.
In the embodiment of the present invention, the multiple images frame generation dynamic contracting for the storage that terminal is concentrated according to above-mentioned thumbnail image
Sketch map, wherein, the small figure after thumbnail is represented on webpage, the compressed mode of picture is handled in the picture frame in video or terminal,
Because thumbnail is compact, loading velocity is fast, therefore is frequently used for fast browsing, and above-mentioned dynamic thumbnail includes being capable of dynamic play
Video file or GIF pictures.
In the embodiment of the present invention, by extracting the multiple images frame of video file, the multiple images frame being drawn into is added
Thumbnail image is concentrated, and the picture frame concentrated according to above-mentioned thumbnail image generates dynamic thumbnail, it is achieved thereby that video
The rapid preview of file so that user understands the main information of video file in a short time, improves Consumer's Experience.
Fig. 2 is referred to, is a kind of second embodiment stream of the generation method of dynamic thumbnail provided in an embodiment of the present invention
Cheng Tu；This method may include following steps：
S201, parse first video file to obtain the essential information of first video file.
In the embodiment of the present invention, terminal parses above-mentioned first video file to obtain the basic letter of above-mentioned first video file
Breath, wherein, above-mentioned essential information includes but is not limited to：The duration of video file, audio stream, video flowing, mime Type types,
Ending mark of bit rate type, the coded system of video flowing and video file etc..Because the dynamic thumbnail of generation is
As long as video does not have a compression video of audio, therefore the essential information of parsing video file need not be to some features of audio stream
Parsed.For example, by taking MP4 files as an example, terminal needs to parse the different types of BOX of MP4 files, wherein, including image
The long width values of frame, the coded format of video file, duration of video file etc., then pass through the long width values and code check of picture frame
The size of each frame is calculated, mdat sections of content (data segment not decoded) is finally only included。
The essential information for first video file that S202, basis are got judges that first video file whether can
Generate thumbnail.
In the embodiment of the present invention, terminal includes the knot of file according to the essential information of above-mentioned first video file got
Tail tag will judges whether above-mentioned first video file can generate thumbnail, if the ending of above-mentioned first video file is masked as
Eof, then judge that above-mentioned first video file can generate thumbnail, if the ending mark of above-mentioned first video file is not eof,
Then judge that above-mentioned first video file can not generate thumbnail.
S203, judge the first video file duration whether exceed predetermined threshold value.
In the embodiment of the present invention, if terminal includes the ending mark of file according to the essential information of above-mentioned first video file
Judge that above-mentioned first video file can generate thumbnail, then video text is included according to the essential information of above-mentioned first video file
The duration of part judges whether the duration of above-mentioned first video file exceedes time threshold set in advance, for example, set in advance
Time threshold is 5s, and whether terminal judges the duration of above-mentioned first video file more than 5s.Due to 1s video at least 18 figures
As more than frame, more than 5s image key frame is just enough, and the GIF figure effects of generation are also relatively good, therefore above-mentioned predetermined threshold value
It may be set to 5s.
S204, the multiple key images frames extracted in first video file.
In the embodiment of the present invention, if terminal judges that the duration of above-mentioned first video file exceedes in predetermined threshold value, extraction
Multiple key images frames in the first video file are stated, wherein, above-mentioned multiple images frame includes multiple key images frames, above-mentioned
Picture frame includes I frames (key frame), P frames and B frames, and the embodiment of the present invention is used to generate GIF pictures, only need to extract key frame i.e.
Can.If terminal judges the duration of above-mentioned first video file not less than predetermined threshold value, terminate to generate breviary to the video file
The operation of figure.
S205, by the multiple key images frames being drawn into according to default coded system carry out transcoding, to obtain after transcoding
Multiple key images frames, and by after the transcoding multiple key images frames add thumbnail image concentrate.
In the embodiment of the present invention, terminal is turned the multiple key images frames being drawn into according to default coded system
Code, to reduce the resolution ratio of each key images frame, carries out transcoding to picture frame and coded system is carried out according to actual situation
Set, wherein, above-mentioned pre-arranged code mode includes but is not limited to：ASCII、GB2312、GBK、GB18030、CP936、BIG5、
ISO-8859-1, UCS-2 and UTF-16 etc..For example, the digit of the pixel of picture frame is the bitmap of 32 RGBs, if eventually
The memory configurations at end are relatively low can be processed into the picture frame bitmap of 8, so only retain dominant hue part, you can to ensure to regard
Frequency is not very fuzzy, or situation about not seeing, have can many limits the power consumption that renders of reduction broadcasting, if the internal memory of terminal is matched somebody with somebody
Put it is higher the picture frame can be processed into the bitmap of 16, so can both ensure that video was clear, again can the reduction of certain limit broadcast
Put the power consumption rendered.And the key images frame after transcoding is added into thumbnail image concentration.
S206, multiple key images frames that the thumbnail image is concentrated are compressed into a dynamic GIF picture.
In the embodiment of the present invention, the key images frame after the transcoding that above-mentioned thumbnail image is concentrated is sent into the form of frames
GIF encoders, coding is compressed to above-mentioned key images frame, be compressed into one can dynamic play GIF pictures, wherein, on
State the GIF coding standards that GIF encoders quote unification of the motherland.Then GIF picture playings are controlled by View modes, due to terminal
Power consumption it is general all can be than larger, so control is in a visual terminal interface as far as possible, as far as possible when opening video file
Only need to allow sight may it is important to note that middle part video playback, if video file removes interface or is deleted, control
Above-mentioned dynamic thumbnail stops playing or deleted.
In the embodiment of the present invention, by extracting multiple key images frames of video file, by the multiple crucial figures being drawn into
As frame progress transcoding extraction, and thumbnail image concentration is added, and the picture frame that above-mentioned thumbnail image is concentrated is compressed into one
Individual dynamic GIF pictures, realize the rapid preview of video file so that user understands the main of video file in a short time
Information, improves Consumer's Experience.
Fig. 3 is referred to, is a kind of 3rd embodiment stream of the generation method of dynamic thumbnail provided in an embodiment of the present invention
Cheng Tu；This method may include following steps：
S301, parse first video file to obtain the essential information of first video file.
In the embodiment of the present invention, terminal parses above-mentioned first video file to obtain the basic letter of above-mentioned first video file
Breath, wherein, above-mentioned essential information includes but is not limited to：The duration of video file, audio stream, video flowing, mime Type types,
Ending mark of bit rate type, the coded system of video flowing and video file etc..Because the dynamic thumbnail of generation is
As long as video does not have a compression video of audio, therefore the essential information of parsing video file need not be to some features of audio stream
Parsed.For example, by taking MP4 files as an example, terminal needs to parse the different types of BOX of MP4 files, wherein, including image
The long width values of frame, the coded format of video file, duration of video file etc., then pass through the long width values and code check of picture frame
The size of each frame is calculated, mdat sections of content (data segment not decoded) is finally only included.
The essential information for first video file that S302, basis are got judges that first video file whether can
Generate thumbnail.
In the embodiment of the present invention, terminal includes the knot of file according to the essential information of above-mentioned first video file got
Tail tag will judges whether above-mentioned first video file can generate thumbnail, if the ending of above-mentioned first video file is masked as
Eof, then judge that above-mentioned first video file can generate thumbnail, if the ending mark of above-mentioned first video file is not eof,
Then judge that above-mentioned first video file can not generate thumbnail.
The essential information for first video file that S303, basis are got is chosen for decoding the first video text
The decoder of part, is decoded using the decoder of selection to first video file, to obtain first video
The decoded picture frame of file.
If the ending mark that terminal includes file according to the essential information of above-mentioned first video file judges that above-mentioned first regards
Frequency file can generate thumbnail, then suitable decoder is chosen according to the mime Type types of video file, further according to video
The coded system of file determines suitable decoder, while note the configuration of decoder, decoded data are defeated from decoder
Go out in Buffer and take out, wherein, above-mentioned data are the original data stream of yuv format.
Between-line spacing of S304, the decoded picture frame to first video file entering extracts the multiple to obtain
Picture frame.
In the embodiment of the present invention, video file is compressed the forms such as AVI, wma, MP4, flash of generation by multiple images frame
Video file, because existing video file is larger, then terminal generation dynamic thumbnail before, it is not necessary to extract video file
All picture frames, the decoded picture frame of terminal-pair enter between-line spacing extraction, the multiple images frame after being extracted, wherein, on
State and extract a frame at intervals of every 20 frames.
S305, the multiple picture frame for obtaining extraction are compressed according to default ratio with many after being compressed
Individual picture frame, and the multiple images frame after the compression is added into thumbnail image concentration.
In the embodiment of the present invention, the multiple images frame being drawn into is compressed extraction according to default ratio, pressed
Picture frame after contracting, and the picture frame after compression is added into thumbnail image concentrated, wherein, above-mentioned default ratio is included but not
It is limited to：4:3、16:9、16:10、5:4 etc., for example, 720P image quality, a total of 1280*720 pixel, due to generation
Thumbnail need not so high resolution ratio, such as the size to be generated is that default ratio setting (can be herein by 320*240
4:The size of 3 ratios).
S306, the picture frame write-in for concentrating the thumbnail image are capable of the second video file of dynamic play.
In the embodiment of the present invention, the frame two field picture that above-mentioned thumbnail image is concentrated is write new by MPEG4Writer
File in, the second video file that dynamic play is capable of in generation one, wherein, above-mentioned second video file is above-mentioned first to regard
The dynamic thumbnail of frequency file.Then the second video file is controlled to play by View modes, because the power consumption of terminal typically exists
All can be than larger, so control only needs to allow sight in a visual terminal interface as far as possible as far as possible when opening video file
May it is important to note that middle part video playback, if video file remove interface or be deleted, control above-mentioned dynamic thumbnail
Figure stops playing or deleted.
In the embodiment of the present invention, the multiple images frame of video file is extracted by being spaced, by the multiple images frame being drawn into
The default ratio of case is compressed extraction, and the picture frame after compression is added into thumbnail image concentrated, and by above-mentioned breviary
The second video file of dynamic play is capable of in picture frame write-in in figure image set, is realized the rapid preview of video file, is made
The main information that user understands video file in a short time is obtained, Consumer's Experience is improved.
Fig. 4 is referred to, is the first embodiment structural representation of terminal provided in an embodiment of the present invention；The device may include
Following steps：
Extracting unit 101, the multiple images frame for extracting the first video file.
In the embodiment of the present invention, video file is that the lattice such as AVI, wma, MP4, flash of generation are compressed by multiple images frame
The video file of formula, because existing video file is larger, before terminal generation dynamic thumbnail, it is not necessary to extract video file
All picture frames, therefore generation dynamic thumbnail method first step first extract the first video file be used for generate
The multiple images frame of dynamic thumbnail, wherein, " multiple " represent two or more, and above-mentioned dynamic thumbnail is represented through overvoltage
Contracting mode handle after can dynamic play GIF pictures or video file, facilitate user's preview, above-mentioned first video file regards for original
Frequency file.
Unit 102 is added, is concentrated for the multiple images frame being drawn into be added into thumbnail image.
In the embodiment of the present invention, the multiple images frame for being used to generate dynamic thumbnail being drawn into is added thumbnail by terminal
Stored in image set, above-mentioned thumbnail image collection can be stored in the local storage space of terminal, high in the clouds, or the terminal
Memory space of external carry etc..
Generation unit 103, the picture frame for being concentrated according to the thumbnail image generates dynamic thumbnail.
In the embodiment of the present invention, the multiple images frame generation dynamic contracting for the storage that terminal is concentrated according to above-mentioned thumbnail image
Sketch map, wherein, the small figure after thumbnail is represented on webpage, the compressed mode of picture is handled in the picture frame in video or terminal,
Because thumbnail is compact, loading velocity is fast, therefore is frequently used for fast browsing, and above-mentioned dynamic thumbnail includes being capable of dynamic play
Video file or GIF pictures.
In the embodiment of the present invention, the multiple images frame of video file is extracted by extracting unit 101, adding unit 102 will
The multiple images frame being drawn into adds thumbnail image and concentrated, the image that generation unit 103 is concentrated according to above-mentioned thumbnail image
Frame generates dynamic thumbnail, it is achieved thereby that the rapid preview of video file so that user understands video file in a short time
Main information, improve Consumer's Experience.
Fig. 5 is referred to, is the second embodiment structural representation of terminal provided in an embodiment of the present invention；The device may include
Following steps：
Resolution unit 104, for parsing first video file to obtain the essential information of the video file, its
In, the extracting unit specifically for：The knot of file is being included according to the essential information of first video file got
In the case that tail tag will judges that first video file can generate dynamic thumbnail, many of first video file are extracted
Individual picture frame.
Judging unit 1011, for judging whether the duration of first video file exceedes predetermined threshold value.
First extracting unit 1012, for judging that it is default that the duration of first video file exceedes in the judging unit
Threshold value, then extract the key images frame in first video file, wherein, the multiple picture frame includes multiple key images
Frame.
Transcoding units 1021, for the multiple key images frames being drawn into be carried out into transcoding according to default coded system,
To obtain multiple key images frames after transcoding.
First adds unit 1022, for the multiple key images obtained after transcoding for obtaining the transcoding units transcoding
Frame adds thumbnail image and concentrated.
Generation unit 103, multiple key images frames for the thumbnail image to be concentrated are compressed into one dynamically
GIF pictures.
In the embodiment of the present invention, multiple key images frames of video file, transcoding are extracted by the first extracting unit 1012
The multiple key images frames being drawn into are carried out transcoding by unit 1021, and first adds unit 1022 by 1021 turns of the transcoding units
Multiple key images frames after the obtained transcoding of code add thumbnail image and concentrated, and generation unit 103 is by above-mentioned thumbnail image
The picture frame of concentration is compressed into a dynamic GIF picture, realizes the rapid preview of video file so that user is in the short time
The interior main information for understanding video file, improves Consumer's Experience.In the embodiment of the present invention, in the specific implementation, the reality of above-mentioned terminal
Step in the first embodiment for the generation method that existing mode can be found in a kind of dynamic thumbnail provided in an embodiment of the present invention
S201-S206, will not be repeated here.
Fig. 6 is referred to, is the 3rd embodiment structural representation of terminal provided in an embodiment of the present invention；The device may include
Following steps：
Resolution unit 104, for parsing first video file to obtain the essential information of the video file, its
In, the extracting unit specifically for：The knot of file is being included according to the essential information of first video file got
In the case that tail tag will judges that first video file can generate dynamic thumbnail, many of first video file are extracted
Individual picture frame.
Unit 1013 is chosen, for being chosen according to the essential information of first video file got for decoding institute
State the decoder of the first video file.
Decoding unit 1014, for using choosing decoder that unit selection goes out to being solved to first video file
Code, to obtain the decoded picture frame of first video file.
Second extracting unit 1015, for entering between-line spacing to the decoded picture frame to first video file
Extract, to obtain the multiple picture frame.
Compression unit 1023, is compressed for will extract obtained the multiple picture frame according to default ratio, with
Multiple images frame after being compressed.
Second adds unit 1024, and thumbnail image is added for the compression unit to be compressed to obtained multiple images frame
Concentrate.
The second video text of dynamic play is capable of in generation unit 103, the picture frame write-in that the thumbnail image is concentrated
Part, second video file is the dynamic thumbnail.
In the embodiment of the present invention, by 1015 pairs of the second extracting unit to the described decoded of first video file
Picture frame enters between-line spacing extraction, and to obtain the multiple picture frame, compression unit 1023 will extract obtained the multiple image
Frame is compressed according to default ratio, unit 1024 is added with the multiple images frame after being compressed, second, for by described in
The obtained multiple images frame of compression unit compression adds thumbnail image and concentrated, and generation unit 103 is by above-mentioned thumbnail image collection
In picture frame write-in be capable of the second video file of dynamic play, realize the rapid preview of video file so that Yong Hu
The main information of video file is understood in short time, Consumer's Experience is improved.In the embodiment of the present invention, in the specific implementation, above-mentioned end
The implementation at end can be found in a kind of first embodiment of the generation method of dynamic thumbnail provided in an embodiment of the present invention
Step S301-S306, will not be repeated here.
Fig. 7 is referred to, Fig. 7 is a kind of fourth embodiment structural representation of terminal provided in an embodiment of the present invention.This reality
Applying the terminal described in example includes：At least one input equipment 1000；At least one output equipment 2000；At least one processor
3000, such as CPU；With memory 4000, above-mentioned input equipment 1000, output equipment 2000, processor 3000 and memory
4000 are connected by bus 5000.
Wherein, the contact panel of above-mentioned input equipment 1000 concretely terminal, including touch-screen and touch screen, for examining
The operational order surveyed in terminal touch panel.
The display screen of above-mentioned output equipment 2000 concretely terminal, for exporting, display information.
Above-mentioned memory 4000 can be high-speed RAM memory, or non-labile memory (non-volatile
Memory), such as magnetic disk storage.Above-mentioned memory 4000, which is used for above-mentioned memory 4000, to be used to store batch processing code,
Above-mentioned input equipment 1000, output equipment 2000 and processor 3000 are used to call the program code stored in memory 4000,
Perform following operation：
Above-mentioned processor 3000, the multiple images frame for extracting the first video file；
The multiple images frame being drawn into is added into thumbnail image to concentrate；
The picture frame concentrated according to the thumbnail image generates dynamic thumbnail.
In some feasible embodiments, above-mentioned processor 3000 extract the first video file multiple images frame it
Before, also particularly useful for：
First video file is parsed to obtain the essential information of the video file；
The video is judged according to the ending mark that the essential information of first video file got includes file
Whether file can generate thumbnail.
In some feasible embodiments, if the dynamic thumbnail of generation includes GIF pictures, above-mentioned processor 3000 is also
Specifically for：
Judge whether the first video file duration exceedes predetermined threshold value；
If judging, the first video file duration exceedes predetermined threshold value, extracts in the first video file duration
Key frame, multiple key images frames after being extracted.
In some feasible embodiments, if the dynamic thumbnail of generation includes GIF pictures, above-mentioned processor 3000 is also
Specifically for：
The multiple key images frames being drawn into are subjected to transcoding extraction according to default coded system, the pass after transcoding is obtained
Key picture frame, and the key images frame after transcoding is added into thumbnail image concentration.
In some feasible embodiments, if the dynamic thumbnail of generation includes GIF pictures, above-mentioned processor 3000 is also
Specifically for：
The picture frame that the thumbnail image is concentrated is compressed into a dynamic GIF picture.
In some feasible embodiments, if the dynamic thumbnail of generation includes the video file for being capable of dynamic play,
Above-mentioned processor 3000 also particularly useful for：
According to the essential information of first video file got, choose for decoding first video file
Decoder, decodes to first video file, obtains decoded picture frame；
Decoded picture frame is entered into between-line spacing to extract, the multiple images frame after being extracted.
In some feasible embodiments, if the dynamic thumbnail of generation includes the video file for being capable of dynamic play,
Above-mentioned processor 3000 also particularly useful for：
The multiple images frame being drawn into is compressed extraction according to default ratio, the picture frame after being compressed, and
Picture frame after compression is added into thumbnail image to concentrate.
In some feasible embodiments, if the dynamic thumbnail of generation includes the video file for being capable of dynamic play,
Above-mentioned processor 3000 also particularly useful for：
The second video file of dynamic play is capable of in the picture frame write-in that the thumbnail image is concentrated.
In some feasible embodiments, above-mentioned output equipment 2000 can be by View modes by the dynamic thumbnail of generation
Figure is shown on a terminal screen.
In the specific implementation, input equipment 1000, output equipment 2000 and processor described in the embodiment of the present invention
3000 can perform the realization described in a kind of each embodiment of the generation method of dynamic thumbnail provided in an embodiment of the present invention
Mode, also can perform the first embodiment of terminal provided in an embodiment of the present invention to the reality of the terminal described in 3rd embodiment
Existing mode, will not be repeated here.
Step in present invention method can be sequentially adjusted, merged and deleted according to actual needs.
Module or unit in device of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in-computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (14)
1. a kind of generation method of dynamic thumbnail, it is characterised in that including：
The multiple images frame of the first video file is extracted, the multiple picture frame includes I frames, P frames and B frames；
The multiple images frame being drawn into is added into thumbnail image to concentrate, the thumbnail image collection is stored in high in the clouds；
The picture frame concentrated according to the thumbnail image generates dynamic thumbnail, and the dynamic thumbnail is to pass through compress mode
After processing can dynamic play GIF pictures or video file；
Wherein, the multiple images frame for extracting first video file, including：
The video in first video file is parsed to obtain the essential information of first video file, the essential information
For following at least one：The duration of video file, video flowing, mime Type types, bit rate type and video file
Ending mark；
The decoding for decoding first video file is chosen according to the essential information of first video file got
Device；
First video file is decoded using the decoder of selection, to obtain the solution of first video file
Picture frame after code；
Enter between-line spacing to the decoded picture frame of first video file to extract to obtain the multiple picture frame.
2. according to the method described in claim 1, it is characterised in that the multiple images frame for extracting the first video file it
Before, methods described also includes：
First video file is parsed to obtain the essential information of first video file；
Wherein, the multiple images frame for extracting the first video file, including：According to first video file got
Essential information including file ending mark judge that first video file can generate dynamic thumbnail in the case of, take out
Take the multiple images frame of first video file.
3. according to the method described in claim 1, it is characterised in that the multiple images for extracting first video file
Frame, including：
Judge whether the duration of first video file exceedes predetermined threshold value；
If judging, the duration of first video file exceedes the predetermined threshold value, extracts many in first video file
Individual key images frame, wherein, the multiple picture frame includes multiple key images frames.
4. method according to claim 3, it is characterised in that described to add the multiple key images frames being drawn into
Thumbnail image is concentrated, including：
The multiple key images frames being drawn into are subjected to transcoding according to default coded system, to obtain multiple keys after transcoding
Picture frame, and multiple key images frames after the transcoding are added into thumbnail image concentration.
5. method according to claim 4, it is characterised in that the key images concentrated according to the thumbnail image
Frame generates dynamic thumbnail, including：
Multiple key images frames that the thumbnail image is concentrated are compressed into a dynamic GIF picture.
6. according to the method described in claim 1, it is characterised in that described that the multiple images frame being drawn into is added into breviary
In figure image set, including：
The multiple picture frame that extraction is obtained is compressed according to default ratio with the multiple images frame after being compressed,
And the multiple images frame after the compression is added into thumbnail image concentration.
7. method according to claim 6, it is characterised in that the picture frame concentrated according to the thumbnail image is given birth to
Into dynamic thumbnail, including：The second video file of dynamic play is capable of in the picture frame write-in that the thumbnail image is concentrated,
Second video file is the dynamic thumbnail.
8. a kind of terminal, it is characterised in that including：
Extracting unit, the multiple images frame for extracting the first video file, the multiple picture frame includes I frames, P frames and B frames；
Unit is added, is concentrated for the multiple images frame being drawn into be added into thumbnail image, the thumbnail image collection
It is stored in high in the clouds；
Generation unit, the picture frame for being concentrated according to the thumbnail image generates dynamic thumbnail, the dynamic thumbnail
For after compress mode is handled can dynamic play GIF pictures or video file；
Resolution unit, for parsing the video in first video file to obtain the basic letter of first video file
Breath, the essential information is following at least one：The duration of video file, video flowing, mimeType types, bit rate type,
And the ending mark of video file；
Wherein, the extracting unit includes：
Unit is chosen, is regarded for being chosen according to the essential information of first video file got for decoding described first
The decoder of frequency file；
Decoding unit, for using choosing decoder that unit selection goes out to being decoded to first video file, with
To the decoded picture frame of first video file；
Second extracting unit, enters between-line spacing for the decoded picture frame to first video file and extracts, with
To the multiple picture frame.
9. terminal according to claim 8, it is characterised in that the extracting unit specifically for：Got in basis
The ending mark that the essential information of first video file includes file judges that first video file can generate dynamic
In the case of thumbnail, the multiple images frame of first video file is extracted.
10. terminal according to claim 8, it is characterised in that the extracting unit includes：
Judging unit, for judging whether the duration of first video file exceedes predetermined threshold value；
First extracting unit, for judging that the duration of first video file exceedes predetermined threshold value in the judging unit, then
The key images frame in first video file is extracted, wherein, the multiple picture frame includes multiple key images frames.
11. terminal according to claim 10, it is characterised in that the addition unit includes：
Transcoding units, for the multiple key images frames being drawn into be carried out into transcoding according to default coded system, to be turned
Multiple key images frames after code；
First adds unit, and the multiple key images frames obtained after transcoding for the transcoding units transcoding to be obtained add contracting
In sketch map image set.
12. terminal according to claim 11, it is characterised in that the generation unit specifically for：
Multiple key images frames that the thumbnail image is concentrated are compressed into a dynamic GIF picture.
13. terminal according to claim 8, it is characterised in that the addition unit includes：
Compression unit, is compressed for will extract obtained the multiple picture frame according to default ratio, to be compressed
Multiple images frame afterwards；
Second adds unit, and thumbnail image concentration is added for the compression unit to be compressed to obtained multiple images frame.
14. terminal according to claim 13, it is characterised in that the generation unit specifically for：
The second video file of dynamic play, the second video text are capable of in the picture frame write-in that the thumbnail image is concentrated
Part is the dynamic thumbnail.
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| CN201710864457.0A CN107465954B (en) | 2014-12-04 | 2014-12-04 | The generation method and Related product of dynamic thumbnail |
| CN201410741244.5A CN104540000B (en) | 2014-12-04 | 2014-12-04 | The generation method and terminal of a kind of dynamic thumbnail |
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| CN201410741244.5A CN104540000B (en) | 2014-12-04 | 2014-12-04 | The generation method and terminal of a kind of dynamic thumbnail |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629280A (en) * | 2012-03-29 | 2012-08-08 | 深圳创维数字技术股份有限公司 | Method and device for extracting thumbnail during video processing |
| CN103164114A (en) * | 2013-03-27 | 2013-06-19 | 东莞宇龙通信科技有限公司 | Method and device of classifying icons of terminal operation interface |
| CN103279496A (en) * | 2013-05-07 | 2013-09-04 | 深圳市同洲电子股份有限公司 | Terminal and display method of associated information |
| CN103458016A (en) * | 2013-08-21 | 2013-12-18 | 小米科技有限责任公司 | Method and device for picture management and terminal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107465954B (en) | 2019-09-06 |
| CN104540000A (en) | 2015-04-22 |
| CN107465954A (en) | 2017-12-12 |
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