CN103324702A - Method and device for processing video files - Google Patents
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- CN103324702A CN103324702A CN2013102338499A CN201310233849A CN103324702A CN 103324702 A CN103324702 A CN 103324702A CN 2013102338499 A CN2013102338499 A CN 2013102338499A CN 201310233849 A CN201310233849 A CN 201310233849A CN 103324702 A CN103324702 A CN 103324702A
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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Abstract
The invention discloses a method and a device for processing video files. The method comprises obtaining characteristic identification information of the video files; obtaining critical characteristics of the video files according to the characteristic identification information; and displaying the video files and the critical characteristics. According to the method and the device, the critical characteristics of the video files are obtained through the characteristic identification information of the video files, so that the video files and the critical characteristics are displayed, and users can identify the video files rapidly and accurately through specific content of the video files displayed through the critical characteristics.
Description
Technical field
The present invention relates to technical field of video processing, be specifically related to a kind of video file disposal route and video file treatment facility.
Background technology
Current, numerous video files such as film, TV play, short-movie etc. are full of the internet, and the user can download by network, mobile phone is taken and the various ways such as file copy obtains video file.Numerous video files is put in the file management system, and is arranged together during demonstration, so that the user can't obtain the core content of certain video file fast.
When in file management system, passing through thumbnail display video file, the information such as display video the first frame and video file name.Wherein, the first frame of a lot of videos may be identical content, for example, and the credit number that puts on show of SARFT(The State Administration of Radio and Television); And the video file name may not accurately represent video file content.
Therefore, only can't accurate description video file itself with video the first frame and video file name, the user can't identify video file fast and accurately.
Summary of the invention
In view of this, the invention provides a kind of video file disposal route and equipment, to solve the technical matters that to identify fast and accurately video file.
First aspect provides a kind of video file disposal route, comprising:
Obtain the signature identification information of video file;
According to described signature identification information, obtain the key feature of described video file;
Show described video file and described key feature.
In conjunction with first aspect, in the possible embodiment of the first, the described signature identification information of obtaining video file comprises:
Adopt set algorithm according to video file, calculate described signature identification information;
Described according to described signature identification information, obtain the key feature of described video file, comprising: according to the corresponding relation of described signature identification information and described key feature, search the key feature of described video file.
In conjunction with first aspect, in the possible embodiment of the second, the described signature identification information of obtaining video file comprises:
Extract described signature identification information from the file header of described video file, described signature identification information is used to indicate described key feature in the position of the expanding section of described video file;
Described according to described signature identification information, obtain the key feature of described video file, comprising:
From the expanding section of the described video file of described signature identification information indication, extract the key feature of described video file.
In conjunction with the possible embodiment of first or the second of first aspect and first aspect, in the third possible embodiment, the key feature of described video file comprises:
The key frame that from described video file, extracts and/or frame sequence; Or
Placard and/or propaganda film from video publisher and/or the acquisition of video audit side; Or
The graph text information relevant with described video file that the user arranges.
Second aspect has proposed a kind of video file treatment facility, comprising:
Acquiring unit is for the signature identification information of obtaining video file; According to described signature identification information, obtain the key feature of described video file;
Display unit is used for showing described video file and described key feature.
In conjunction with second aspect, in the possible embodiment of the first, described acquiring unit comprises:
Computation subunit is used for adopting set algorithm according to video file, calculates described signature identification information;
Search subelement, be used for the corresponding relation according to described signature identification information and described key feature, search the key feature of described video file.
In conjunction with second aspect, in the possible embodiment of the second, described acquiring unit comprises:
First extracts subelement, is used for extracting described signature identification information from the file header of described video file, and described signature identification information is used to indicate described key feature in the position of the expanding section of described video file;
Second extracts subelement, is used for extracting the key feature of described video file from the expanding section of the described video file of described signature identification information indication.
In conjunction with the possible embodiment of first or the second of second aspect and second aspect, in the third possible embodiment, the key feature of described video file comprises:
The key frame that from described video file, extracts and/or frame sequence; Or
Placard and/or propaganda film from video publisher and/or the acquisition of video audit side; Or
The graph text information relevant with described video file that the user arranges.
The video file disposal route of the embodiment of the invention and video file treatment facility, can obtain the key feature of video file by the signature identification information of video file, thereby show video file and key feature, the particular content of the video file of showing by key feature makes things convenient for the user to identify fast and accurately video file.
Description of drawings
The Figure of description that is included in the instructions and consists of the part of instructions shows exemplary embodiment of the present invention, feature and aspect with instructions, and is used for explaining principle of the present invention.
Fig. 1 is the process flow diagram of the video file disposal route of the embodiment of the invention one;
Fig. 2 is the process flow diagram of the video file disposal route of the embodiment of the invention two;
Fig. 3 a is the process flow diagram of the video file disposal route of the embodiment of the invention three;
Fig. 3 b and Fig. 3 c are the schematic diagram that marks in the video file disposal route of the embodiment of the invention three;
Fig. 3 d and Fig. 3 e are the display effect schematic diagram of the video file disposal route of the embodiment of the invention three;
Fig. 4 is the structured flowchart of the video file treatment facility of the embodiment of the invention four;
Fig. 5 is the structured flowchart of the video file treatment facility of the embodiment of the invention five;
Fig. 6 is the structured flowchart of the video file treatment facility of the embodiment of the invention six.
Embodiment
Below will provide detailed reference to embodiments of the invention.Although the present invention sets forth by these embodiments and illustrates, it should be noted that the present invention not merely is confined to these embodiments.On the contrary, all substitutes, variant and the equivalent in the defined invention spirit of claims and the invention scope contained in the present invention.
Here special-purpose word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.
In addition, for better explanation the present invention, provided numerous details in the embodiment hereinafter.It will be appreciated by those skilled in the art that does not have these details, and the present invention can implement equally.In the other example, method, means, element and the circuit known for everybody are not described in detail, so that highlight purport of the present invention.
Embodiment 1
Fig. 1 is the process flow diagram of the video file disposal route of the embodiment of the invention one, and as shown in Figure 1, this video file disposal route comprises:
Wherein, the signature identification information of obtaining video file specifically can comprise following mode:
Mode one, adopt set algorithm such as MD5 algorithm according to video file, calculate described signature identification information such as MD5 value.
Mode two, extract described signature identification information from the file header of described video file, described signature identification information is used to indicate described key feature in the position of the expanding section of described video file.
Wherein, with reference to above-mentioned mode one and the mode two of obtaining the signature identification information of video file, step 120 can correspondence comprise following mode:
Mode one, according to the corresponding relation of described signature identification information and described key feature, search the key feature of described video file.
Mode two, from the expanding section of the described video file of described signature identification information indication, extract the key feature of described video file.
In embodiments of the present invention, the key feature of video file specifically can comprise following situation any one or a plurality of:
Situation one, the key frame that from described video file, extracts and/or frame sequence.
Particularly, the key frame that extracts from video file can be for one or more, and the frame sequence that extracts from video file also can be for one or more.From this video file, obtain key frame and/or frame sequence, can be audio-visual by video jukebox software such as a sudden peal of thunder, Baidu, the grabgrafs such as skin skin, MPC extract, also can automatically extract such as 1 second, 1 minute etc. according to Preset Time by video jukebox software, or other obtains the method for key frame and/or frame sequence.
Situation two, the placard and/or the propaganda film that obtain from video publisher and/or video audit side.
Particularly, in video file distribution or review process, the audit of video publisher or video can be made the contents such as the placard, propaganda film of this video file particular content of many moneys sign, can be with the placard that obtains from video publisher or video audit side and/or propaganda film as the key feature that represents video file.
The graph text information relevant with video file that situation three, user arrange.
Particularly, the user can arrange the graph text information of a certain video file according to individual's hobby, for example: if the user has taken the video file that child plays, graph text informations such as " child's courses of growth " can be set, as the key feature of video file.
Wherein, situation one, situation two, situation three can realize by the server of the network equipment such as a certain video website, also can be by realizations such as terminal device such as mobile phone, PC.
Need to prove, the embodiment of the invention does not limit the concrete form of the key feature of video file, as long as can identify this video file and make its feature that is different from other video file the key feature that can be video file.
Particularly, after the network equipment or terminal device get access to the key feature of video file, can be in certain platform such as website, mobile phone, ipad etc. show this video file and key feature thereof, the user can be by the key feature of showing, from numerous video files, identify fast the required video file of browsing or downloading, and can browse easily or download this video file.Correspondingly, the user can according to the key feature of the video file of showing, identify the particular content of this video file behind downloading video files.
The video file disposal route of the present embodiment, can obtain the key feature of video file by the signature identification information of video file, thereby show video file and key feature, the particular content of the video file of showing by key feature makes things convenient for the user to identify fast and accurately video file.
Embodiment 2
Fig. 2 is the process flow diagram of the video file disposal route of the embodiment of the invention two, and as shown in Figure 2, this video file disposal route can may further comprise the steps:
The key feature of step 200, preservation video file and video file.
Step 210, adopt set algorithm according to video file, calculate the signature identification information of video file, and preserve signature identification information.
Particularly, the network equipment or terminal device can adopt set algorithm such as MD5 algorithm to calculate and draw signature identification information such as MD5 value.This signature identification information can the unique identification video file, and correspondingly, signature identification information and video file are one-to-one relationships, and namely the signature identification information of different video files is different.In other words, if a plurality of video file is identical, then the signature identification information of these a plurality of video files of calculating of the network equipment or terminal device is identical; On the contrary, if a plurality of video file is different, then the signature identification information of these a plurality of video files of calculating of the network equipment or terminal device is different.
Step 220, set up the corresponding relation of signature identification information and key feature, and preserve corresponding relation.
Particularly, the network equipment or terminal device can adopt a certain method to preserve the corresponding relation of signature identification information and key feature, for example can preserve this corresponding relation with the form of mapping table.
If step 230 needs to show a certain video file, then adopt set algorithm according to video file, calculate the signature identification information of video file.
Step 240 according to the signature identification information of this video file, is searched the corresponding relation of signature identification information and key feature, obtains signature identification information to key feature that should video file.
Particularly, the corresponding relation that the network equipment or terminal device can be set up according to signature identification information and key feature obtains key feature from a certain particular location of video file.For example, if adopt the form of mapping table to preserve the corresponding relation that this signature identification information and this key feature are set up, then can in the correspondence position of video file, find by the mode of tabling look-up the key feature of this video file corresponding with this signature identification information.
Step 250, displaying comprise the thumbnail of the video file of key feature.
Particularly, the network equipment or terminal device can be showed the video file and the key feature thereof that obtain when showing video file.The user can be by the video file that comprises key feature showed thumbnail from numerous video files, identify accurately the particular content of video file and find the video file of own needs.
The video file disposal route of the present embodiment, can obtain the key feature of video file by the signature identification information of the video file that calculates, thereby show video file and key feature, the particular content of the video file of showing by key feature makes things convenient for the user to identify fast and accurately video file.
Embodiment 3
Fig. 3 a is the process flow diagram of the video file disposal route of the embodiment of the invention three, and shown in Fig. 3 a, this video file disposal route can may further comprise the steps:
Wherein, can write key feature characteristic of correspondence identification information in reservation (Reserved) field of the file header of video file, the position of expanding section is that expanding section is with respect to the side-play amount of video file head.
Fig. 3 b and Fig. 3 c are the schematic diagram that marks in the video file disposal route of the embodiment of the invention three, shown in Fig. 3 b, for some specific format such as the video file of MP4 form, MPEG-1 form, MPEG-2 form, RMVB form etc., have reserved field in the file header of video file, key feature characteristic of correspondence identification information can be set in this reserved field.If there is not reserved field, also can in other fields of the file header of video file, key feature characteristic of correspondence identification information be set.
Shown in Fig. 3 c, video file take " safe Embarrassing " as the MP4 form is as example, the video file of MP4 form can be made of video file head and video code flow, wherein, comprise reserved field in the video file head, the width of reserved field can for 4 bytes, 6 bytes, 10 bytes or 12 bytes etc., also can be other numerical value.The present embodiment is take the width of reserved field as 10 bytes as example, and the initial value of reserved field is " 0000000000 ".The present embodiment makes it that key feature characteristic of correspondence identification information of video file is not set for " 0 " by revising reserved field, for example reserved field is set to " 0x89a0040000 ", and, after the key feature that has obtained video file, key feature can be write in the video file as a data block, for example: the side-play amount with respect to the video file head in video file is the data block of independent this key feature of expression of position increase of " 0x89a0040000 ", and forms the video file " safe Embarrassing " of the MP4 form of showing.
If step 330 need to be showed a certain video file, then from the file header of the video file that marked key feature, extract signature identification information.
Particularly, the network equipment or terminal device can extract key feature characteristic of correspondence identification information from the file header of video file, indication according to signature identification information, can find this key feature in the position of the expanding section of video file, from video file, find this expanding section and read wherein key feature, when the file management system of equipment is showed the thumbnail of this video file, the key feature of showing this video file is so that the user can identify the particular content of this video file.
For some specific video file type, such as: MP4 form, MPEG-1 form, MPEG-2 form, RMVB form etc., also can be from the reserved field of the file header of video file, to extract key feature characteristic of correspondence identification information, according to the key feature of the signature identification information indication side-play amount at expanding section and the video file head of video file, from the expanding section of video file, read key feature.
For example: referring to Fig. 3 c, can read first the reserved field in the file header of video file " safe Embarrassing " of MP4 form, from reserved field, read signature identification information and be " 0x89a0040000 ", be the position of " 0x89a0040000 " from the expanding section of video file and the side-play amount of video file head, obtain the key feature of video file.Shown in Fig. 3 d and Fig. 3 e, display effect schematic diagram for the video file disposal route of the embodiment of the invention three, key feature according to the video file that shows, for example: the placard of video file " safe Embarrassing " or the placard of video file " Journey to the West ", the user can identify this video file " safe Embarrassing " and video file " Journey to the West " fast and accurately.
The video file disposal route of the present embodiment, mark key feature and displaying have marked the video file of key feature in video file, when showing video file, can pass through the particular content of key feature display video file, thereby so that the user can identify video file fast and accurately.
Embodiment 4
Fig. 4 is the structured flowchart of the video file treatment facility of the embodiment of the invention four, and as shown in Figure 4, this video file treatment facility comprises:
Acquiring unit 400 is for the signature identification information of obtaining video file; According to described signature identification information, obtain the key feature of described video file;
Video file treatment facility in the embodiment of the invention, such as the network equipments such as server that can be a certain video website, can be the terminal devices such as mobile phone, PC also, this video file treatment facility can be carried out the video file disposal route in above-described embodiment.Particularly, when the video file treatment facility in using the embodiment of the invention is showed video file, may need the video file of showing is processed.If the video file treatment facility for example the acquiring unit 400 of the server of a certain video website by the signature identification acquisition of information to the key feature of video file for for example: placard, graph text information, key frame or frame sequence, acquiring unit 400 can mark above-mentioned key feature in video file, and from the video file that has marked key feature, obtain signature identification information, again according to this signature identification acquisition of information key feature; Perhaps can adopt set algorithm such as MD5 algorithm, calculate signature identification information such as MD5 value, and according to this signature identification acquisition of information key feature.The key feature of the video file that display unit 420 can obtain acquiring unit 400 or find is published to the terminal devices such as the network equipments such as server, mobile phone and PC such as a certain video website.
The video file treatment facility of the present embodiment, the signature identification information of obtaining video file by acquiring unit can be obtained the key feature of video file, and by display unit displaying video file and key feature, the particular content of the video file of showing by key feature makes things convenient for the user to identify fast and accurately video file.
Embodiment 5
Fig. 5 is the structured flowchart of the video file treatment facility of the embodiment of the invention five, and as shown in Figure 5, this video file treatment facility comprises:
Acquiring unit 400 is for the signature identification information of obtaining video file; According to described signature identification information, obtain the key feature of described video file;
Wherein, acquiring unit 400 comprises:
Particularly, computation subunit 500 can adopt set algorithm such as MD5 algorithm according to video file and the key feature that the video file treatment facility is preserved, and calculates signature identification information such as the MD5 value of video file, and preserves this signature identification information.Computation subunit 500 also is used for setting up the corresponding relation of this signature identification information and key feature according to this signature identification information, and preserves this corresponding relation, for example can preserve this corresponding relation with the form of mapping table.In the situation that needs are showed a certain video file, then search subelement 520 and can adopt set algorithm according to video file, calculate the signature identification information of video file, and according to the signature identification information that calculates, search signature identification information that computation subunit 500 preserves and the corresponding relation of key feature, get access to its key feature at a certain particular location of this video file.For example, if adopt the form of mapping table to preserve the corresponding relation that this signature identification information and this key feature are set up, then can in the correspondence position of video file, find by the mode of tabling look-up the key feature of this video file corresponding with this signature identification information.Display unit 420 can be showed by the key feature of searching the video file that subelement 520 finds.Specifically can be referring to the associated description among the above-mentioned video file disposal route embodiment two.
The video file treatment facility of the present embodiment, can obtain the key feature of video file by the signature identification information of searching the video file that subelement calculates according to computation subunit, and by display unit displaying video file and key feature, the particular content of the video file of showing by key feature makes things convenient for the user to identify fast and accurately video file.
Embodiment 6
Fig. 6 is the structured flowchart of the video file treatment facility of the embodiment of the invention six, and as shown in Figure 6, this video file treatment facility comprises:
Acquiring unit 400 is for the signature identification information of obtaining video file; According to described signature identification information, obtain the key feature of described video file;
Wherein, acquiring unit 400 comprises:
First extracts subelement 600, is used for extracting described signature identification information from the file header of described video file, and described signature identification information is used to indicate described key feature in the position of the expanding section of described video file.
Further, the first extraction subelement 600 also is used for: the expanding section that key feature is saved in video file; Carry key feature characteristic of correspondence identification information in the file header of video file, signature identification information is used to indicate key feature in the position of the expanding section of video file.
Further, first extracts subelement 600 also is used for: the reserved field at the file header of video file writes key feature characteristic of correspondence identification information, and the position of expanding section is that expanding section is with respect to the side-play amount of video file head.
Second extracts subelement 620, is used for extracting the key feature of described video file from the expanding section of the described video file of described signature identification information indication.
Particularly, when display unit 420 is showed the key feature of the video file that the second extraction subelement 620 extracts from video file, first extracts subelement 600 can extract signature identification information from the file header of the video file that marked key feature, perhaps first extract subelement 600 and can extract signature identification information from the reserved field of the file header of video file; Second extracts subelement 620 can extract key feature according to the first position of extracting the expanding section of the indicated video file of signature identification information that subelement 600 extracts.For example, can extract expanding section with respect to the side-play amount of video file head according to reserved field numerical value, from expanding section corresponding to side-play amount, extract key feature.For example, if read the reserved field in the file header of video file, from reserved field, read signature identification information and be " 0x89a0040000 ", can be the position of " 0x89a0040000 " from the expanding section of video file and the side-play amount of video file head then, extract the key feature of video file.When display unit 420 is showed the thumbnail of this video file in the file management system of video file treatment facility, the key feature of having showed this video file, so that the user can be by the key feature of display unit 420 displayings, when in file management system, having great lot video files, can identify fast this video file.Specifically can be referring to the associated description among the above-mentioned video file disposal route embodiment three.
The video file treatment facility of the present embodiment, extract the signature identification information that subelement obtains video file by first, second extracts the key feature that subelement can obtain video file, and by display unit displaying video file and key feature, the particular content of the video file of showing by key feature makes things convenient for the user to identify fast and accurately video file.
Those of ordinary skills can recognize, each exemplary cell and algorithm steps among the embodiment described herein can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions realize with hardware or software form actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can realize described function for specific application choice diverse ways, but this realization should not thought and exceeds scope of the present invention.
If realize described function and as production marketing independently or when using with the form of computer software, can think to a certain extent that then all or part of (part that for example prior art is contributed) of technical scheme of the present invention is with the form embodiment of computer software product.This computer software product is stored in the storage medium of embodied on computer readable usually, comprises that some instructions are used so that computer equipment (can be personal computer, server or the network equipment etc.) is carried out all or part of step of various embodiments of the present invention method.And aforesaid storage medium comprises the various media that can be program code stored such as USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above; it only is the specific embodiment of the present invention; only be used for illustrating technical scheme of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection domain with claim.
Claims (8)
1. a video file disposal route is characterized in that, comprising:
Obtain the signature identification information of video file;
According to described signature identification information, obtain the key feature of described video file;
Show described video file and described key feature.
2. video file disposal route according to claim 1 is characterized in that, the described signature identification information of obtaining video file comprises:
Adopt set algorithm according to video file, calculate described signature identification information;
Described according to described signature identification information, obtain the key feature of described video file, comprising:
According to the corresponding relation of described signature identification information and described key feature, search the key feature of described video file.
3. video file disposal route according to claim 1 is characterized in that, the described signature identification information of obtaining video file comprises:
Extract described signature identification information from the file header of described video file, described signature identification information is used to indicate described key feature in the position of the expanding section of described video file;
Described according to described signature identification information, obtain the key feature of described video file, comprising:
From the expanding section of the described video file of described signature identification information indication, extract the key feature of described video file.
4. each described video file disposal route is characterized in that according to claim 1-3, and the key feature of described video file comprises:
The key frame that from described video file, extracts and/or frame sequence; Or
Placard and/or propaganda film from video publisher and/or the acquisition of video audit side; Or
The graph text information relevant with described video file that the user arranges.
5. a video file treatment facility is characterized in that, comprising:
Acquiring unit is for the signature identification information of obtaining video file; According to described signature identification information, obtain the key feature of described video file;
Display unit is used for showing described video file and described key feature.
6. video file treatment facility according to claim 5 is characterized in that, described acquiring unit comprises:
Computation subunit is used for adopting set algorithm according to video file, calculates described signature identification information;
Search subelement, be used for the corresponding relation according to described signature identification information and described key feature, search the key feature of described video file.
7. video file treatment facility according to claim 5 is characterized in that, described acquiring unit comprises:
First extracts subelement, is used for extracting described signature identification information from the file header of described video file, and described signature identification information is used to indicate described key feature in the position of the expanding section of described video file;
Second extracts subelement, is used for extracting the key feature of described video file from the expanding section of the described video file of described signature identification information indication.
8. each described video file treatment facility is characterized in that according to claim 5-7, and the key feature of described video file comprises:
The key frame that from described video file, extracts and/or frame sequence; Or
Placard and/or propaganda film from video publisher and/or the acquisition of video audit side; Or
The graph text information relevant with described video file that the user arranges.
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| CN201310233849.9A CN103324702B (en) | 2013-06-13 | 2013-06-13 | Video file processing method and video file processing equipment |
| CN201610779102.7A CN106407310B (en) | 2013-06-13 | 2013-06-13 | Video file processing method and video file processing device |
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| CN104834644A (en) * | 2014-02-11 | 2015-08-12 | 杭州华澜微科技有限公司 | Self-search storage apparatus |
| CN105933538A (en) * | 2016-06-15 | 2016-09-07 | 维沃移动通信有限公司 | Video finding method for mobile terminal and mobile terminal |
| CN106550219A (en) * | 2015-09-23 | 2017-03-29 | 北京丰源星际传媒科技有限公司 | The statistical method and system of movie theatre screening rate |
| CN106792150A (en) * | 2016-12-20 | 2017-05-31 | 深圳市茁壮网络股份有限公司 | A kind of poster generation method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109992697B (en) * | 2019-03-27 | 2022-03-25 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103324702B (en) | 2016-09-21 |
| CN106407310A (en) | 2017-02-15 |
| CN106407310B (en) | 2020-11-17 |
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