KR100587146B1 - Apparatus and method for management media file of mobile communication terminal - Google Patents

Abstract

The present invention relates to an apparatus and method for managing a media file of a mobile communication terminal, which can collectively manage a media file to save memory. The present invention relates to a common file in which media file information for each media file mixed and stored in a memory is stored. A common information table manager for managing the information table; A media table manager configured to manage a media table that separates and stores index information of media file information stored in the common information table for each media; In accordance with the media file management command received from the terminal user is preferably provided with an interface unit for accessing the media file through the media table and the common information table.

Media file, memory, public information table, media table

Description

Apparatus and method for managing a media file of a mobile terminal {APPARATUS AND METHOD FOR MANAGEMENT MEDIA FILE OF MOBILE COMMUNICATION TERMINAL}             

1 is a diagram showing the configuration of an apparatus for managing a media file of a mobile communication terminal according to an embodiment of the present invention.

2 is a diagram illustrating a structure of a common information table applied to the present invention by way of example.

3 is a view showing an exemplary structure of a media table applied to the present invention.

4 is a flowchart illustrating a media file management method of a mobile communication terminal according to an embodiment of the present invention.

*** Explanation of symbols for the main parts of the drawing ***

10. memory area, 20. common information table manager,

25. public information tables; 30. media table management;

33a, 33b, 33c, 33d. Counter, 35a, 35b, 35c, 35d. Media Table,

40. Interface

The present invention relates to an apparatus and method for managing a media file of a mobile communication terminal, and more particularly, to an apparatus and method for managing a media file of a mobile communication terminal for conserving memory by integrating and managing media files.

As the multimedia functions of the mobile communication terminal are enhanced with the development of mobile communication technology, the mobile communication terminal stores various media files (pictures, images, videos, melodies, etc.). For this purpose, it extracts frequently used media information and reserves a memory space according to each media (picture, image, video, melody, etc.).

However, if the memory space is reserved for each media as described above, it is a waste of memory and each media access must be made separately. There is a problem that synchronization fails.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and by sharing the memory to store the media file, and to manage the information on the media file mixed with each other, to save memory and prevent media synchronization destruction An object of the present invention is to provide an apparatus and method for managing a media file of a mobile communication terminal.

An apparatus for managing a media file of a mobile communication terminal according to an embodiment of the present invention for managing the above object manages a common information table in which media file information for each media file that is mixed and stored in a memory is stored. A common information table manager; A media table manager configured to manage a media table that separates and stores index information of media file information stored in the common information table for each media; In accordance with the media file management command received from the terminal user is preferably provided with an interface unit for accessing the media file through the media table and the common information table.

Further, the media file information preferably includes a media type, a data size, a created date, and a file name.

The media table is preferably updated according to the change of the common information table.

In the meantime, in the method for managing a media file of a mobile communication terminal according to an embodiment of the present invention, in response to a request for adding a media file from a terminal user, the media file is stored in a memory, and the media file for the media file is stored. Adding information to the common information table; Updating and adding index information of the added media file information to a media table; Accessing the media table according to a media file deletion request from the terminal user, and obtaining index information in which media file information of the media file requested to be deleted is stored; Accessing the public information table with the index information to obtain media file information for the media file; Deleting the media file from the memory based on the media file information, and deleting the media file information of the deleted media file from the public information table; And deleting the index information of the deleted media file information from the media table.

Furthermore, accessing the media table in response to a media file change request from the terminal user, obtaining index information storing media file information about the media file requested to be changed; Accessing the public information table with the index information to obtain media file information for the media file; The method may further include changing a content of the media file stored in the memory based on the media file information, and changing the media file information for the changed media file.

Accessing the common information table according to a reordering request from the terminal user, and rearranging media file information stored in the common information table according to a given condition; The method may further include updating the media table based on the rearranged media file information.

Accessing the media table according to a media file execution request from the terminal user, and obtaining index information in which media file information of a media file requested to be executed is stored; Accessing the public information table with the index information to obtain media file information for the media file; The method may further include accessing the media file stored in the memory based on the media file information, reading data and loading the data into a buffer.

Hereinafter, a file management apparatus and method of a mobile communication terminal according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a road, a common information table management unit 20, a media table management unit 30, and an interface unit 40 showing an exemplary configuration of a media file management apparatus of a mobile communication terminal according to an embodiment of the present invention. It is provided with.

In such a configuration, the common information table management unit 20 stores information (media type, data size, created date, information, etc.) about each media file mixed and stored in the memory area 10 allocated for media storage. Managing a common information table 25 in which a title, a file name, etc., hereinafter referred to as 'media file information' are stored, and the media file information on the media file is shared according to the addition, deletion, or change of the media file. The information table 25 is added, deleted, or changed. In addition, the common information table management unit 20 performs a function of placing the common information table 25 in the RAM area when the mobile communication terminal is initially driven and powered, and in the memory area 10 due to exception processing. When the synchronization between the stored media file and the media file information for the corresponding media file stored in the common information table 25 is not corrected, the media file stored in the memory area 10 and the common information table 25 Synchronize the media file information for the corresponding media file stored in. When the sorting request is received from the terminal user through the interface unit 40, the stored media file information is sorted according to a given condition in order of creation date, file size, title, and the like.

The media table management unit 30 separates and stores index information (hereinafter, public information table access index information) for accessing each media file information stored in the common information table 25 for each media and stores the media table 35a. , 35b, 35c, and 35d are updated to update the media tables 35a, 35b, 35c, and 35d in accordance with the change of the common information table 25.

The interface unit 40 receives various commands related to media file management from the terminal user and accesses the actual media file through the media tables 35a, 35b, 35c, and 35d and the common information table 25.

FIG. 2 is a diagram illustrating an example of a structure of a common information table applied to the present invention. In the common information table 25, each media file is mixed and stored in a memory area 10 allocated for media storage. The media file information is stored.

3 is a diagram illustrating a structure of a media table applied to the present invention. In the media tables 35a, 35b, 35c, and 35d, each media file information stored in the common information table 25 is accessed. Possible index information is stored separately for each media.

As described above, the media tables 35a, 35b, 35c, and 35d are implemented for each media, and the identification numbers 33a, 33b, 33c, and 33d of FIG. 3 are respective media tables 35a, 35b, 35c, and 35d. A counter that indicates the number of public information table access index information stored in.

4 is a flowchart illustrating a media file management method of a mobile communication terminal according to an embodiment of the present invention.

First, when a command for adding a media file is received from the terminal user through the interface unit 40 (S10), the media file requested to be stored is stored in place in the memory area 10 allocated for media storage (S12). In operation S14, media file information on the media file stored in the memory area 10 is added to the common information table 25.

Thereafter, index information for accessing the media file information added to the common information table 25 is added to the corresponding media tables 35a, 35b, 35c, and 35d through the process S14 to update the media table (S16). ).

For example, when a video file is stored in the memory area 10 according to an addition request of a video file, information about the added video file is added to the common information table 25 and added to the common information table 25. The common information table access index information for the generated video file is added to the video media tables 35a, 35b, 35c, and 35d.

On the other hand, when receiving a command to delete a media file from the terminal user through the interface unit (40) (S18), access to the media table (35a, 35b, 35c, 35d) access to the common information table access index for the media file requested to be deleted Information is obtained (S20), and the public information table 25 is accessed using the public information table access index information obtained through the process S to obtain media file information on the corresponding media file (S22).

Thereafter, the media file is deleted from the memory area 10 based on the media file information acquired through the process S22 (S24), and the media file information on the deleted media file is stored in the common information table 25. Delete it (S26).

In addition, the media table is updated by deleting index information for accessing the media file information deleted in the common information table 25 from the corresponding media tables 35a, 35b, 35c, and 35d in step S26. ).

Meanwhile, when a media file change command is input from the terminal user through the interface unit 40 (S30), the media table 35a, 35b, 35c, 35d accesses the media information table access index for the media file that is requested to be changed. Information is obtained (S32), and the public information table 25 is accessed using the public information table access index information obtained through the process S32 to obtain media file information on the corresponding media file (S34).

Thereafter, the contents of the corresponding media file stored in the memory area 10 are changed based on the media file information acquired through the step S34 (S36), and the media file information on the changed media file is changed. (S38).

On the other hand, when the terminal user receives a command to rearrange the media file information stored in the common information table 25 according to a specific condition from the terminal user (S40), according to the condition given in accordance with the reordering request Media file information stored in the common information table 25 is sorted in order of creation date, file size, title, and the like (S42).

When the media file information stored in the common information table 25 is rearranged through the process S42, the index information for accessing the respective media file information is also changed. Accordingly, the media tables 35a, 35b, 35c, and 35d are updated based on the rearranged media file information through step S (S44).

Meanwhile, when a media file execution command is input from the terminal user through the interface unit 40 (S46), the media table 35a, 35b, 35c, and 35d accesses the media table 35a, 35b, 35c, and 35d. Information is obtained (S48), and the public information table 25 is accessed using the public information table access index information obtained through the process S48 to obtain media file information on the corresponding media file (S50).

Thereafter, the media file stored in the memory area 10 is accessed based on the media file information acquired through the process S50, and then data is read from the media file and loaded into the buffer (S52). .

The apparatus and method for managing a media file of a mobile communication terminal of the present invention is not limited to the above-described embodiments and can be modified in various ways within the scope of the technical idea of the present invention.

 According to the apparatus and method for managing a media file of a mobile communication terminal of the present invention as described above, the memory can be saved by sharing the memory, storing the media file, and managing the information on the mixed media file for each media. It is possible to prevent the media synchronization destruction due to the wrong access.

Claims (7)

A common information table manager configured to manage a common information table in which media file information for each media file mixed and stored in the memory is stored; A media table manager configured to manage a media table that separates and stores index information of media file information stored in the common information table for each media; And an interface unit for accessing a media file through the media table and the common information table according to a media file management command received from a terminal user. The method of claim 1, wherein the media file information, A media file management apparatus of a mobile communication terminal, comprising a media type, a data size, a created date, and a file name. The method of claim 1, wherein the media table, The media file management apparatus of the mobile communication terminal, characterized in that updated according to the change of the common information table. According to a request for adding a media file from a terminal user, storing the media file requested to be stored in a memory, and adding media file information about the media file to a common information table; Updating and adding index information of the added media file information to a media table; Accessing the media table according to a media file deletion request from the terminal user, and obtaining index information in which media file information of the media file requested to be deleted is stored; Accessing the public information table with the index information to obtain media file information for the media file; Deleting the media file from the memory based on the media file information, and deleting the media file information of the deleted media file from the public information table; And deleting the index information of the deleted media file information from the media table. The method of claim 4, further comprising: accessing the media table according to a media file change request from the terminal user, and obtaining index information storing media file information about the media file requested to be changed; Accessing the public information table with the index information to obtain media file information for the media file; Changing the contents of the media file stored in the memory based on the media file information, and changing the media file information for the changed media file. How to manage. The method of claim 4, further comprising: accessing the common information table according to a reordering request from the terminal user, and rearranging media file information stored in the public information table according to a given condition; And updating the media table based on the rearranged media file information. The method of claim 4, further comprising: accessing the media table according to a media file execution request from the terminal user, and obtaining index information storing media file information on the media file requested to be executed; Accessing the public information table with the index information to obtain media file information for the media file; And accessing the media file stored in the memory based on the media file information, reading data and loading the data into a buffer.

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