CN103501469A - Method for adding geographic position information to tail part of video file - Google Patents
Method for adding geographic position information to tail part of video file Download PDFInfo
- Publication number
- CN103501469A CN103501469A CN201310443075.2A CN201310443075A CN103501469A CN 103501469 A CN103501469 A CN 103501469A CN 201310443075 A CN201310443075 A CN 201310443075A CN 103501469 A CN103501469 A CN 103501469A
- Authority
- CN
- China
- Prior art keywords
- information
- file
- geographical location
- location information
- video file
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Television Signal Processing For Recording (AREA)
Abstract
The invention provides a method for adding geographic position information to a tail part of a video file. The method comprises the following steps of S10, obtaining a geographic position information data sample of a video file collection area by utilizing a locating device; S20, manufacturing a geographic position information file according to the sample, wherein the geographic position information file is formed by a header field, the sample and a verification character string, and the sample comprises current time information, current latitude information and current longitude information; S30, adding the geographic position information file to the tail part of the video file; S40, utilizing the attribute information of the geographic position information file in a header file of the video file as a marker. According to the method for adding the geographic position information to the tail part of the video file, which is disclosed by the invention, the geographic position information data can be added artificially and randomly without breaking the universality and the completeness of the current video, meanwhile the storage and management efficiency is higher, and the complexity and the development cost of software play are reduced; simultaneously the video retrieval based on the position information in the later period is facilitated.
Description
[technical field]
The present invention relates to the video location technology, relate in particular to a kind of method of adding geographical location information at the video file afterbody.
[background technology]
Positioning video data acquisition at present, generally adopt in capture video geographical coordinate, speed and corresponding video frame number according to certain hour or space interval record object, and set up the table of comparisons of video time or frame of video and its position coordinates, speed by the later stage, realize the organic integration of video data and spatial geography data.
The position data that wherein reflects geographical coordinate can be stored in video file, and for example the JUNK piece in the AVI formatted file, also can be loaded in audio track, or can set up independent data files etc.Yet, be not that all videos all exist the JUNK field, the said method applicability is limited; And some geographical location information adding method is taked the multifile pattern of depositing separately, need to set up the corresponding relation of geography information file and video file, increase file management, retrieval, management and the complexity of safeguarding, complexity and development cost are higher thus, and storage and the efficiency of management are lower; In addition, in said method, for the video frequency searching carried out based on geographical location information, such as according to certain ,Mou path, position, inquire about the efficiency of holding within a plurality of associated videos and need further raising.
[summary of the invention]
The present invention is intended to solve above-mentioned problems of the prior art, proposes a kind of method of adding geographical location information at the video file afterbody.
The method at video file afterbody interpolation geographical location information that the present invention proposes comprises the following steps: S10, employing positioner obtain the geographical location information data sample that video file gathers ground; S20, according to described sample, make the geographical location information file, described geographical location information file consists of a field, described sample and the string of checking character, and described sample comprises current time information, current latitude information and current longitude information; S30, described geographical location information file is added to the afterbody of described video file; S40, the attribute information with described geographical location information file in the header file of described video file serve as a mark.
The method of at the video file afterbody, adding geographical location information that the present invention proposes has following advantage: 1) data can increase arbitrarily, unrestricted 2) data load on afterbody, do not destroy existing video general and integrality, and with conventional video player compatibility; 3) by geographical location information and video file direct correlation, there is higher storage and the efficiency of management, reduced complexity and development cost; 4) later stage is carried out the video frequency searching of position-based information, can effectively improve the efficiency of management.
[accompanying drawing explanation]
The method flow diagram at video file afterbody interpolation geographical location information that Fig. 1 is one embodiment of the invention.
The geographical location information file format figure that Fig. 2 is one embodiment of the invention.
The geographical location information file format figure that Fig. 3 is another embodiment of the present invention.
Fig. 4 is video heads file File functional mark field format figure.
[embodiment]
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in further detail.Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining technical scheme of the present invention, and do not should be understood to limitation of the present invention.
In description of the invention, term " interior ", " outward ", " vertically ", " laterally ", " on ", orientation or the position relationship of the indications such as D score, " top ", " end " be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description rather than require the present invention with specific orientation structure and operation, therefore not should be understood to limitation of the present invention.
The invention provides a kind of method of adding geographical location information at the video file afterbody.Said method comprising the steps of:
S10, employing positioner obtain the geographical location information data sample that video file gathers ground;
S20, according to described sample, make the geographical location information file, described geographical location information file consists of a field, sample and the string of checking character, described field comprises initial latitude information and longitude information, and described sample comprises current latitude information and current longitude information;
S30, described geographical location information file is added to the afterbody of described video file;
S40, carry out mark in the header file of described video file.
The AVI video file of take in embodiment hereinafter is described in further detail as each step principle of method of at the video file afterbody, adding geographical location information that example proposes the present invention.
In step S10, at first adopt positioner to obtain the geographical location information data sample that video file gathers ground.The device that wherein, can adopt GPS, AGPS, LBS etc. to have positioning function obtains the geographical location information data sample that video file gathers ground.
Wherein, described sample comprises current time information, current latitude information and current longitude information.Preferably, in situation one, described current time information is as absolute time information, and described current latitude information is as absolute latitude information, and described current longitude information is absolute longitude information, in addition, in situation two, described current time information can also comprise relative time information, described current latitude information can also comprise relative latitude information, described current longitude information can also comprise relative longitude information, thereby further reduce data volume, there is initial time information, in the situation of initial latitude information and initial longitude information, can be in the hope of current time information in conjunction with described initial time information and relative time information, can be in the hope of current latitude information in conjunction with described initial latitude information and relative latitude information, can be in the hope of current longitude information in conjunction with described initial longitude information and relative longitude information.
In step S20, make the geographical location information file according to described sample, described geographical location information file consists of a field, described sample and the string of checking character.
For showing more intuitively the form of described geographical location information file, please refer to Fig. 2 and Fig. 3, Fig. 2 corresponds to situation one mentioned above, and Fig. 3 corresponds to situation two mentioned above.GEO_Header is described field, and GEO_Header comprises following son field: the geography information file indicates position DWORD dwLabel; Geography information file size DWORD dwTotalLength; Sampling time interval DWORD dwSampleInterval, wherein, if uniform sampling indicates the sampling interval, if nonuniform sampling is set to 0; Sampling time DWORD dwSampleTime[4]; Collecting device information D WORD dwGEODevice; Number of samples DWORD dwTotalNumberofSample; Initial latitude information DWORD LATITUDE[2]; Initial longitude information DWORD LONGITUDE[2]; Reserved field DWORD dwGEO_Reserved[4]; ' START ' the symbol DWORD dwStartLabel that starts to sample.
GEO_Sample#1, GEO_Sample#2 ..., GEO_Sample#N is corresponding to the described sample of situation one mentioned above.GEO_Sample#1, GEO_Sample#2 ..., GEO_Sample#N comprises following son field: absolute time information DWORD Time[4]; Absolute latitude information DWORD LATITUDE[2]; Absolute longitude information DWORD LONGITUDE[2].
GEO_DeltaSample#2, GEO_DeltaSample#3 ..., GEO_DeltaSample#N is corresponding to the described sample of situation two mentioned above.GEO_DeltaSample#2, GEO_DeltaSample#3 ..., GEO_DeltaSample#N comprises following son field: relative time information DWORD DeltaTime[4]; Relative latitude information DWORD LATITUDE[2]; Relative longitude information DWORD LONGITUDE[2].
Preferably, after making described geographical location information file with reference to above-mentioned form, can further to described geographical location information file, be compressed, be encrypted, with the size of further dwindling described geographical location information file and the confidentiality that improves described geographical location information file.Wherein, known DEA and cryptographic algorithm be can adopt, described compression and cryptographic operation carried out.
In step S30, described geographical location information file or the described geographical location information file after overcompression/encryption are added to the afterbody of described video file.After interpolation, need execution step S40, in the header file of described video file, carry out mark, to show described video file afterbody, comprised described geographical location information file.
Take the AVI video file as example, and there is the avih piece in AVI video file head, for recording the global information of avi file, and wide and high such as quantity, the video image of stream, it comprises following son field: FOURCC fcc, this is necessary for ' avih '; The big or small DWORDcb of data structure; Frame of video DWORD interval time dwMicroSecPerFrame(be take millisecond as unit); Maximum data rate DWORD dwMaxBytesPerSec; Data stuffing granularity DWORD dwPaddingGranularity; Global mark DWORD dwFlags; Totalframes DWORD dwTotalFrames; Mutual form is specified numer of initial frames DWORD dwInitialFrames; The number DWORD dwStreams of the stream that presents comprises; The cache size DWORD dwSuggestedBufferSize of presents is read in suggestion; The wide DWORD dwWidth of video image; The high DWORD dwHeight of video image; Retain son field DWORD dwReserved[4].
DwReserved[4 wherein] be the system reserved field, 16 bytes of size, former data are 0, by dwReserved[4] in add the relevant informations such as file mark, length, address of Dynamic Geographic information, specifically add content and be: DWORD dwHeadLabel; Afterbody adds the number DWORD dwTotalLengthofSamples of geography information; The functional mark Byte BFlags of geography information; The compressed format Byte BCodingFormat of mark geography information; Mark encryption format Byte BEncrypt; 6 kinds of function items retain son field Byte BReserved[6]; Error check byte Byte Bcheck.
Wherein, whether whether BFlags is mainly used in the function of the file that mark adds, as compressed, encrypt etc., and in this way, the corresponding bit position is 1, if not, is set to 0.As shown in Figure 4, wherein R1-R6, for retaining position, can be used for functional expansion to its specific definition.
While extracting described geographical location information, only need to carry out the inverse step of said process, thereby obtain the geographical location information data sample that video file gathers ground.
The method at video file afterbody interpolation geographical location information that the present invention proposes has following advantage: 1), than expansion JUNK piece, data can increase arbitrarily, unrestricted; The JUNK field is not that all videos all exist in addition, and applicability is limited, and the present invention has general applicability; 2) data load on afterbody, do not destroy existing video general and integrality, and with conventional video player compatibility; 3) the multifile pattern of depositing separately with path is compared, and has higher storage and the efficiency of management, has reduced complexity and development cost that software is play; 4) later stage is carried out the video frequency searching of position-based information, such as according to certain ,Mou path, position, inquires about within a plurality of associated videos and holds, and can effectively improve the efficiency of management.
Although the present invention is described with reference to current better embodiment; but those skilled in the art will be understood that; above-mentioned better embodiment only is used for explaining and illustrating technical scheme of the present invention; and not be used for limiting protection scope of the present invention; any within the spirit and principles in the present invention scope; any modification of doing, equivalent replacement, distortion, improvement etc., within all should being included in claim protection range of the present invention.
Claims (9)
1. a method of adding geographical location information at the video file afterbody comprises the following steps:
S10, employing positioner obtain the geographical location information data sample that video file gathers ground;
S20, according to described sample, make the geographical location information file, described geographical location information file consists of a field, described sample and the string of checking character, and described sample comprises current time information, current latitude information and current longitude information;
S30, described geographical location information file is added to the afterbody of described video file;
S40, the attribute information with described geographical location information file in the header file of described video file serve as a mark.
2. method of adding geographical location information at the video file afterbody according to claim 1, is characterized in that, described field also comprises the length of described geographical location information file and the sampling interval of described sample.
3. method of adding geographical location information at the video file afterbody according to claim 2, it is characterized in that, described current time information is absolute time information, and described current latitude information is absolute latitude information, and described current longitude information is absolute longitude information.
4. method of adding geographical location information at the video file afterbody according to claim 3, it is characterized in that, described current time information also comprises relative time information, and described current latitude information also comprises relative latitude information, and described current longitude information also comprises relative longitude information.
5. method of adding geographical location information at the video file afterbody according to claim 1, is characterized in that, before carrying out step S30, described geographical location information file compressed.
6. method of adding geographical location information at the video file afterbody according to claim 1, is characterized in that, before carrying out step S30, described geographical location information file is encrypted.
7. method of adding geographical location information at the video file afterbody according to claim 1, is characterized in that, in step S40, carries out mark in the reserved field of described video file header file.
8. according to the described method of adding geographical location information at the video file afterbody of claim 1 or 7, it is characterized in that, described attribute information comprises size and the memory address of described geographical location information file.
9. method of adding geographical location information at the video file afterbody according to claim 1, is characterized in that, described positioner is a kind of in GPS, AGPS and LBS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443075.2A CN103501469A (en) | 2013-09-25 | 2013-09-25 | Method for adding geographic position information to tail part of video file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443075.2A CN103501469A (en) | 2013-09-25 | 2013-09-25 | Method for adding geographic position information to tail part of video file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103501469A true CN103501469A (en) | 2014-01-08 |
Family
ID=49866630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310443075.2A Pending CN103501469A (en) | 2013-09-25 | 2013-09-25 | Method for adding geographic position information to tail part of video file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103501469A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984710A (en) * | 2014-05-05 | 2014-08-13 | 深圳先进技术研究院 | Video interaction inquiry method and system based on mass data |
| CN105553933A (en) * | 2015-11-30 | 2016-05-04 | 华为技术有限公司 | Note processing method and system, and terminal device |
| CN106055610A (en) * | 2016-05-25 | 2016-10-26 | 维沃移动通信有限公司 | Retrieval method for voice messages and mobile terminal |
| CN106210928A (en) * | 2016-08-10 | 2016-12-07 | 深圳市企拍文化科技有限公司 | Add real-time geographical locations information watermaking system and method in video |
| WO2017185807A1 (en) * | 2016-04-29 | 2017-11-02 | 努比亚技术有限公司 | Data acquisition device and method |
| CN111782730A (en) * | 2020-07-09 | 2020-10-16 | 腾讯科技（深圳）有限公司 | File uploading method and device and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547360A (en) * | 2009-05-08 | 2009-09-30 | 南京师范大学 | Localizable video file format and method for collecting data of formatted file |
| CN101630324A (en) * | 2009-08-18 | 2010-01-20 | 北京航空航天大学 | Method for accessing geographic position information in multimedia resource |
| CN102088564A (en) * | 2009-12-02 | 2011-06-08 | 新奥特（北京）视频技术有限公司 | Opening switching method of marathon race |
-
2013
- 2013-09-25 CN CN201310443075.2A patent/CN103501469A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547360A (en) * | 2009-05-08 | 2009-09-30 | 南京师范大学 | Localizable video file format and method for collecting data of formatted file |
| CN101630324A (en) * | 2009-08-18 | 2010-01-20 | 北京航空航天大学 | Method for accessing geographic position information in multimedia resource |
| CN102088564A (en) * | 2009-12-02 | 2011-06-08 | 新奥特（北京）视频技术有限公司 | Opening switching method of marathon race |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984710A (en) * | 2014-05-05 | 2014-08-13 | 深圳先进技术研究院 | Video interaction inquiry method and system based on mass data |
| CN103984710B (en) * | 2014-05-05 | 2017-07-18 | 深圳先进技术研究院 | Video interactive querying method and system based on mass data |
| CN105553933A (en) * | 2015-11-30 | 2016-05-04 | 华为技术有限公司 | Note processing method and system, and terminal device |
| WO2017185807A1 (en) * | 2016-04-29 | 2017-11-02 | 努比亚技术有限公司 | Data acquisition device and method |
| CN106055610A (en) * | 2016-05-25 | 2016-10-26 | 维沃移动通信有限公司 | Retrieval method for voice messages and mobile terminal |
| CN106055610B (en) * | 2016-05-25 | 2020-02-14 | 维沃移动通信有限公司 | Voice information retrieval method and mobile terminal |
| CN106210928A (en) * | 2016-08-10 | 2016-12-07 | 深圳市企拍文化科技有限公司 | Add real-time geographical locations information watermaking system and method in video |
| CN111782730A (en) * | 2020-07-09 | 2020-10-16 | 腾讯科技（深圳）有限公司 | File uploading method and device and storage medium |
| CN111782730B (en) * | 2020-07-09 | 2021-07-06 | 腾讯科技（深圳）有限公司 | File uploading method and device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103501469A (en) | Method for adding geographic position information to tail part of video file | |
| CN103530326A (en) | Method for adding geographical location information into video file and creating index | |
| JP4481889B2 (en) | Data recording apparatus and method, program, and recording medium | |
| CN102129474B (en) | Method, device and system for retrieving video data | |
| CN104951515B (en) | A method of it extracts and analyzes Android phone whereabouts trace information | |
| US7496978B1 (en) | Location aware voice calls and messages | |
| US20100082712A1 (en) | Location and Time Based Media Retrieval | |
| CN106600708B (en) | A kind of processing method and system of map | |
| CN103226965B (en) | Based on the audio/video data access method of time bitmap | |
| CN102306194B (en) | Methods for storing and querying GPS (global positioning system) data | |
| CN104581406A (en) | Network video recording and playback system and method | |
| CN106155845B (en) | XFS-based file system data reorganization and recovery method | |
| CN102393854A (en) | Method and device obtaining audio/video data | |
| CN104240741A (en) | Method for performing video dotting and searching in video recording, and video recording equipment thereof | |
| CN104702874B (en) | A kind of file memory method of facing video monitoring | |
| CN101751456B (en) | A kind of method for processing multimedia information, system and multimedia terminal | |
| CN111897675B (en) | Method for restoring recently deleted files of F2FS file system at mobile phone end | |
| WO2020211858A1 (en) | Methods for generating sub-video, and system and medium storing corresponding program | |
| CN102594878A (en) | Internet of things information fusion method, internet of things terminal equipment and internet of things platform | |
| CN102325179A (en) | Mobile storage equipment and cloud content sharing method thereof | |
| CN101782917B (en) | Video information control apparatus and method | |
| JP2015136084A (en) | Data transmission apparatus, information processing apparatus, data transmission program, and data transmission method | |
| CN104219205B (en) | It pushes the method for media file, receive the methods, devices and systems of media file | |
| CN112954445B (en) | Streaming media file playing method and device, computer equipment and storage medium | |
| US10515053B2 (en) | Electronic device and database constructing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140108 |
|
| RJ01 | Rejection of invention patent application after publication |