CN102110106B - Image-text packing server and method for maintaining index files in server - Google Patents

Image-text packing server and method for maintaining index files in server Download PDF

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CN102110106B
CN102110106B CN200910243868.3A CN200910243868A CN102110106B CN 102110106 B CN102110106 B CN 102110106B CN 200910243868 A CN200910243868 A CN 200910243868A CN 102110106 B CN102110106 B CN 102110106B
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file
list
index
essential information
call number
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CN102110106A (en
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谈琴芳
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China Digital Video Beijing Ltd
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China Digital Video Beijing Ltd
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  • Television Signal Processing For Recording (AREA)
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Abstract

The invention provides an image-text packing server and a method for maintaining index files in the server. The method comprises the following steps of: quickly searching folder information when user access is accepted to acquire a list A of basic information of files in the folder, wherein large image files and audio and video files required by image-text packing application are stored in the folder; reading the index files to acquire a list B in the index files, wherein basic information and index numbers of the files are stored in the list B; comparing the basic information in the list A and the list B; and performing corresponding maintenance on the index file information and the cache file information of the files with difference in the comparison so as to ensure real-time correspondence of the index files and the cache files to the folder and further ensure the reliability and the accuracy of the image-text packing.

Description

The maintaining method of a kind of image-text packing server and index files in server
Technical field
The present invention relates to picture and text packing technique field, particularly relate to the maintaining method of a kind of image-text packing server and index files in server.
Background technology
Along with the develop rapidly of multimedia technology, the purposes of the available resources such as various picture and video file is more and more extensive, the available resources such as the various picture that in daily life, people touch and video file also get more and more, not only comprise TV programme, film and television are acute, and also all can relate in the activity such as video monitoring, civilian advertisement, wedding celebration video recording, meanwhile, used in various design 3D model is also included within the category of available resources.
In the actual design of picture and text packaging, often need to obtain the available resources under certain path, choose current required file, therefore the file selecting to travel through in the file under this path carries out distinguishing of resource and reads, general described file is all stored on server and supplies each client-access and call, in picture and text package design, such as often need the mass file of reading as AVI for consulting, opening and reading meeting at substantial Time and place of this mass file, and when reading mass file, the Iarge-scale system that also whole picture and text can be caused to pack is slow in reacting, have a strong impact on normally carrying out of picture and text packaging.
At present, be specially in a kind of processing method for above-mentioned this phenomenon: for file sets up index file and cache file, the essential information of current file folder is obtained by reading index file, read the descriptor that cache file obtains file, that has carried out the medium-and-large-sized file of this picture and text package design chooses work, but specific in practical application, usually because certain needs can carry out server files folder file must edit-modify, often cause index file and cache file not corresponding with file file, and then there is mistake in causing picture and text to pack.
Therefore, the technical problem needing those skilled in the art urgently to solve at present is exactly: the maintaining method that how innovatively can propose index file in a kind of image-text packing server, the problem may made mistakes during to solve existing picture and text packaging, ensures the reliability in the realization of picture and text packaging and accuracy.
Summary of the invention
Technical problem to be solved by this invention is to provide the maintaining method of a kind of image-text packing server and index files in server, in order to ensure the reliability that picture and text are packed and accuracy.
In order to solve the problem, the invention discloses the maintaining method of index file in a kind of image-text packing server, it is characterized in that, described method comprises:
Accept user when accessing, fast search folder information, obtain the list A of file file essential information; Huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file;
Read the list B in index file acquisition index file; Documentary essential information and call number is deposited in described list B;
Essential information in comparison array Table A and list B;
Corresponding maintenance is carried out to the index file information of the file that there are differences in relatively and buffer memory fileinfo; The descriptor of file file is deposited in described cache file, and corresponding with the call number in index file.
Preferably, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
For being present in the file be not present in list B in list A, the essential information of this file is added in list B, and set up new call number for it, simultaneously, in file, read corresponding document, obtain the descriptor of file and be stored in the cache file of file corresponding with call number.
Preferably, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
The file be not present in list A for being present in list B, deletes the essential information of this file, and its call number is also deleted at list B; Describe according to file corresponding in the cache file of call number Delete Folder simultaneously.
Preferably, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
For the file that essential information in list A and list B is inconsistent, according to essential information in list A, list B is modified; Read corresponding document simultaneously, and cover existing file description in cache file by the descriptor of the file got.
Preferably, described method also comprises:
Index file after maintenance and cache file are stored.
The present invention also provides a kind of image-text packing server, and described server comprises receiver module, for receiving the access request of client; The maintenance module of index file in image-text packing server, for safeguarding index file in image-text packing server and cache file; Wherein, in described image-text packing server, the maintenance module of index file comprises following submodule:
First obtains submodule, for by fast search folder information, obtains the list A of file file essential information; Huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file; Described file is deposited with on image-text packing server;
Second obtains submodule, for the list B by reading in index file acquisition index file; Documentary essential information and call number is deposited in described list B;
Comparison sub-module, for comparing the essential information in list A and list B;
Safeguard submodule, for carrying out corresponding maintenance to the index file information of the file that there are differences in relatively and buffer memory fileinfo; The descriptor of file file is deposited in described cache file, and corresponding with the call number in index file.
Preferably, describedly safeguard that submodule comprises:
First maintenance unit, for to being present in the file be not present in list B in list A, the essential information of this file is added in list B, and set up new call number for it, simultaneously, in file, read corresponding document, obtain the descriptor of file and be stored in the cache file of file corresponding with call number.
Preferably, describedly safeguard that submodule comprises:
Second maintenance unit, for the file be not present in list A being present in list B, deleting the essential information of this file, and its call number also being deleted at list B; Describe according to file corresponding in the cache file of call number Delete Folder simultaneously.
Preferably, describedly safeguard that submodule comprises:
The third dimension protects unit, for the file inconsistent to essential information in list A and list B, modifies to list B according to essential information in list A; Read corresponding document simultaneously, and cover existing file description in cache file by the descriptor of the file got.
Preferably, in described image-text packing server, the maintenance module of index file also comprises:
Preserve submodule, for preserving the index file after maintenance and cache file.
Compared with prior art, the present invention has the following advantages:
The present invention is when accepting user and accessing, by fast search folder information, obtain the list A of file file essential information, huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file, read the list B in index file acquisition index file, documentary essential information and call number is deposited in described list B, essential information in comparison array Table A and list B, corresponding maintenance is carried out to the index file information of the file that there are differences in relatively and buffer memory fileinfo, thus ensure that the real-time corresponding of index file and cache file and file, and then ensure that the reliability that picture and text are packed and accuracy.
Accompanying drawing explanation
Fig. 1 is the maintaining method flow chart of index file in a kind of image-text packing server described in the embodiment of the present invention one;
Fig. 2 is the structure chart of a kind of image-text packing server described in the embodiment of the present invention two.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The application that the development of video and multimedia technology makes picture and text be packaged in captions making is more and more extensive, also more and more creative from effect, can come by multiple mass file in making, described mass file is deposited in the file on server, index file and the cache file of current file folder is deposited in described file, if the maintaining method of a kind of effective image-text packing server and index files in server can be found, so accurately completing smoothly of picture and text packaging will be contributed to.
Therefore, inventor herein is one of core idea proposing the embodiment of the present invention creatively, namely the maintaining method of a kind of image-text packing server and index files in server is provided, by when accepting user and accessing, fast search folder information, obtain the list A of file file essential information, huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file, read the list B in index file acquisition index file, documentary essential information and call number is deposited in described list B, essential information in comparison array Table A and list B, corresponding maintenance is carried out to the index file of the file that there are differences in relatively and cache file, the descriptor of file file is deposited in described cache file, and it is corresponding with the call number in index file.
Embodiment one:
With reference to Fig. 1, show the maintaining method flow chart of index file in a kind of image-text packing server of the present invention, described method specifically comprises:
S101, accepts user when accessing, fast search folder information, obtains the list A of file file essential information; Huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file;
Wherein, described huge presentation files and audio-video document specifically comprise the audio-video document of the image file of BMP form involved in image-text packaging system application, 3D model and AVI and Mpeg form.
The essential information of being pressed from both sides file by current file is comprised in described list A.
S102, reads the list B in index file acquisition index file; Documentary essential information and call number is deposited in described list B;
Wherein, the essential information of described file comprise filename, creation-time, modification time, the size taken up room and picture width, highly, the frame number of the degree of depth and audio-video document.
Specifically, essential information for specifically refer to image file the filename of image file, creation-time, modification time, the size taken up room and picture width, highly, the degree of depth; For the frame number specifically referring to the filename, creation-time, modification time, the size taken up room and the audio-video document that obtain audio-video document audio-video document.
In general, list A and list B adopts each file to take a line, and each essential information takies row respectively, also having the call number of row for depositing each file, can certainly adopt senior data structure in list B.Described call number is only a sequence number, when can be automatic search folder information, in file, each file is according to the sequence number of certain arrangement mode, as the sequence according to title, time, size, modification time etc., generally, consider and search custom in routine use, adopt the call number of sequence number as file of title arrangement.
S103, the essential information in comparison array Table A and list B;
S104, carries out corresponding maintenance to the index file information of the file that there are differences in relatively and buffer memory fileinfo; The descriptor of file file is deposited in described cache file, and corresponding with the call number in index file.
By the essential information in list A and list B being compared, obtain the file that the essential information in list A and list B there are differences, corresponding maintenance is carried out to the index file of the file that there are differences in relatively and cache file.
Wherein, the descriptor of file file is deposited in described cache file, based on depositing the mass file such just like the audio-video document etc. of the image file of BMP form, 3D model and AVI and Mpeg form in file, the descriptor of corresponding file is also not quite similar, it may be the thumbnail of Large Graph picture, may be the CompanionFile of 3D model file, may be also these information that file content can be described clearly of image of the first frame in large-scale audio-video document etc.And, cache file is corresponding with the call number in index file, corresponding to the call number in index file is to find corresponding cache file by index file easily and fast in practical operation, the correspondence of various ways can be adopted in practical application, as the memory location of the specified file in cache file of the call number according to each file, or set up certain linking relationship etc., find the correspondence of corresponding descriptor to adopt as long as can meet fast according to call number.
Preferably, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
For being present in the file be not present in list B in list A, the essential information of this file is added in list B, and set up new call number for it, simultaneously, in file, read corresponding document, obtain the descriptor of file and be stored in the cache file of file corresponding with call number.
Preferably, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
The file be not present in list A for being present in list B, deletes the essential information of this file, and its call number is also deleted at list B; Describe according to file corresponding in the cache file of call number Delete Folder simultaneously.
Preferably, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
For the file that essential information in list A and list B is inconsistent, according to essential information in list A, list B is modified; Read corresponding document simultaneously, and cover existing file description in cache file by the descriptor of the file got.
Preferably, described method also comprises:
S105, stores the index file after maintenance and cache file.
In the present embodiment, when accepting user and accessing, by fast search folder information, obtain the list A of file file essential information, read index file and obtain list B in index file, the essential information in comparison array Table A and list B, corresponding maintenance is carried out to the index file of the file that there are differences in relatively and cache file, thus ensure that the real-time corresponding of index file and cache file and file, and then ensure that picture and text packaging effect reliability and accuracy.
It should be noted that, in a kind of image-text packing server described in the present embodiment, the maintaining method of index file also can extensively be incorporated in various memory device, such as in the equipment of computer and so on.
Embodiment two:
With reference to Fig. 2, show the structure chart of a kind of image-text packing server of the present invention, described server specifically comprises:
Receiver module A1, for receiving the access request of client;
The maintenance module A2 of index file in image-text packing server, for safeguarding index file in image-text packing server and cache file; Wherein, in described image-text packing server, the maintenance module A2 of index file comprises following submodule:
First obtains submodule A21, for by fast search folder information, obtains the list A of file file essential information; Huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file; Described file is deposited with on image-text packing server;
Second obtains submodule A22, for the list B by reading in index file acquisition index file; Documentary essential information and call number is deposited in described list B;
Comparison sub-module A23, for comparing the essential information in list A and list B;
Safeguard submodule A24, for carrying out corresponding maintenance to the index file information of the file that there are differences in relatively and buffer memory fileinfo; The descriptor of file file is deposited in described cache file, and corresponding with the call number in index file.
Preferably, describedly safeguard that submodule A24 comprises:
First maintenance unit A241, for to being present in the file be not present in list B in list A, the essential information of this file is added in list B, and set up new call number for it, simultaneously, in file, read corresponding document, obtain the descriptor of file and be stored in the cache file of file corresponding with call number.
Preferably, describedly safeguard that submodule A24 comprises:
Second maintenance unit A242, for the file be not present in list A being present in list B, deleting the essential information of this file, and its call number also being deleted at list B; Describe according to file corresponding in the cache file of call number Delete Folder simultaneously.
Preferably, describedly safeguard that submodule A24 comprises:
The third dimension protects unit A243, for the file inconsistent to essential information in list A and list B, modifies to list B according to essential information in list A; Read corresponding document simultaneously, and cover existing file description in cache file by the descriptor of the file got.
Preferably, in described image-text packing server, the maintenance module A2 of index file also comprises:
Preserve submodule A25, for preserving the index file after maintenance and cache file.
In the present embodiment, when the receiver module A1 of image-text packing server receives the access request of client, by the first acquisition submodule A21 fast search folder information in the maintenance module A2 of index file in image-text packing server, obtain the list A of file file essential information, second obtains the list B in submodule A22 reading index file acquisition index file, comparison sub-module A23 compares the essential information in list A and list B, and by safeguarding that submodule A24 carries out corresponding maintenance to the index file information of the file that there are differences in relatively and buffer memory fileinfo, thus when ensure that on image-text packing server, client conducts interviews or calls, index file and cache file are real-time corresponding with file, and then ensure that picture and text packaging accurately completes smoothly.
Each embodiment in this description all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For image-text packing server embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Above the maintaining method of a kind of image-text packing server provided by the present invention and index files in server is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (6)

1. the maintaining method of index file in image-text packing server, it is characterized in that, described method comprises:
Accept user when accessing, fast search folder information, obtain the list A of file file essential information; Huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file;
Read the list B in index file acquisition index file; Documentary essential information and call number is deposited in described list B;
Essential information in comparison array Table A and list B;
Corresponding maintenance is carried out to the index file information of the file that there are differences in relatively and buffer memory fileinfo; The descriptor of file file is deposited in described cache file, and corresponding with the call number in index file;
The index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and comprise:
For being present in the file be not present in list B in list A, the essential information of this file is added in list B, and set up new call number for it, simultaneously, in file, read corresponding document, obtain the descriptor of file and corresponding with call number be stored in the cache file of file;
The file be not present in list A for being present in list B, deletes the essential information of this file, and its call number is also deleted at list B; Describe according to file corresponding in the cache file of call number Delete Folder simultaneously.
2. method according to claim 1, is characterized in that, the index file information of the described file to there are differences in relatively and buffer memory fileinfo carry out corresponding maintenance and also comprise:
For the file that essential information in list A and list B is inconsistent, according to essential information in list A, list B is modified; Read corresponding document simultaneously, and cover existing file description in cache file by the descriptor of the file got.
3. method according to claim 1, is characterized in that, described method also comprises:
Index file after maintenance and cache file are stored.
4. an image-text packing server, is characterized in that, described server comprises receiver module, for receiving the access request of client; The maintenance module of index file in image-text packing server, for safeguarding index file in image-text packing server and cache file; Wherein, in described image-text packing server, the maintenance module of index file comprises following submodule:
First obtains submodule, for by fast search folder information, obtains the list A of file file essential information; Huge presentation files required in picture and text packaging applications and audio-video document is deposited in described file; Described file is deposited with on image-text packing server;
Second obtains submodule, for the list B by reading in index file acquisition index file; Documentary essential information and call number is deposited in described list B;
Comparison sub-module, for comparing the essential information in list A and list B;
Safeguard submodule, for carrying out corresponding maintenance to the index file information of the file that there are differences in relatively and buffer memory fileinfo; The descriptor of file file is deposited in described cache file, and corresponding with the call number in index file;
Describedly safeguard that submodule comprises:
First maintenance unit, for to being present in the file be not present in list B in list A, the essential information of this file is added in list B, and set up new call number for it, simultaneously, in file, read corresponding document, obtain the descriptor of file and corresponding with call number be stored in the cache file of file;
Second maintenance unit, for the file be not present in list A being present in list B, deleting the essential information of this file, and its call number also being deleted at list B; Describe according to file corresponding in the cache file of call number Delete Folder simultaneously.
5. server according to claim 4, is characterized in that, describedly safeguards that submodule also comprises:
The third dimension protects unit, for the file inconsistent to essential information in list A and list B, modifies to list B according to essential information in list A; Read corresponding document simultaneously, and cover existing file description in cache file by the descriptor of the file got.
6. server according to claim 4, is characterized in that, in described image-text packing server, the maintenance module of index file also comprises:
Preserve submodule, for preserving the index file after maintenance and cache file.
CN200910243868.3A 2009-12-23 2009-12-23 Image-text packing server and method for maintaining index files in server Expired - Fee Related CN102110106B (en)

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CN105912540A (en) * 2015-12-11 2016-08-31 乐视移动智能信息技术(北京)有限公司 Method and device for synchronizing file system
CN107122433B (en) * 2017-04-18 2020-07-24 广州视源电子科技股份有限公司 Method for combining compound documents and system for realizing method

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