WO2014046380A1

WO2014046380A1 - Meta information-based method for providing cloud service

Info

Publication number: WO2014046380A1
Application number: PCT/KR2013/006492
Authority: WO
Inventors: 조수호; 정윤정; 최문석; 김수현
Original assignee: 에스케이플래닛 주식회사
Priority date: 2012-09-18
Filing date: 2013-07-19
Publication date: 2014-03-27

Abstract

Disclosed is a cloud-based system for sharing content. The system comprises: a transmission terminal for generating meta information related to owned content; a reception terminal for confirming the meta information generated by the transmission terminal, selecting specific content from among the owned content on the transmission terminal based on the confirmed meta information, and receiving from the transmission terminal the specific content that is selected; and a cloud server for enabling the reception terminal to confirm the meta information.

Description

Meta Information-based Cloud Service Method

The present specification relates to a cloud service, and more particularly, to a method for providing a synchronization service among a plurality of terminals more quickly and efficiently, and an apparatus used therefor.

Cloud is a term originating from a cloud-shaped icon used to represent a general network or the Internet, and is commonly used as an abbreviation for cloud computing incorporating computing functions on a network. Cloud services can be said to lexically provide the power of computing over a network. After all, if you only have a terminal that can access the network, you have the same situation as having a computer.

In addition to the definition of a general cloud, the concept of a mobile cloud that utilizes a smartphone or a tablet PC and a personal cloud that allows the user to create a single environment by linking the interface part that connects the user with the cloud centering around individual users ( Concepts such as personal cloud are also emerging.

In the conventional cloud service, a service for synchronizing data stored in a plurality of terminals by a cloud service user has been provided. Such a service was generally supported by transmitting or deleting the data file itself so that the same data is stored in all terminals. In this case, when the amount of data is increased or the file itself is large, synchronization takes a lot of time, and there is a need for improvement. In addition, the method of storing, downloading and sharing a large amount of files in a cloud server has caused a problem of increasing the load on the cloud server.

The present specification proposes a method and apparatus for providing a synchronization service more quickly and efficiently by providing content synchronization between multiple terminals of the same and / or different users in a cloud environment based on meta information.

According to a first embodiment of the present disclosure, a cloud system is disclosed. The system comprises a transmitting terminal for generating meta information related to the content held; A receiving terminal that checks the meta information generated by the transmitting terminal, selects specific contents among contents held in the transmitting terminal based on the identified meta information, and receives the selected specific contents from the transmitting terminal; And a cloud server for receiving the meta information from the transmitting terminal and allowing the receiving terminal to check the meta information.

According to the second embodiment of the present disclosure, a terminal is disclosed. The terminal includes a content management unit for generating meta information related to the content held; And a transmitting unit to transmit the generated meta information to a cloud server, wherein the content management unit transmits the specific content to the other terminal when the other terminal selects a specific content among the contents held by the other terminal based on the meta information. Can provide.

The content management unit generates the meta information only for contents held in the shared storage area of the terminal so that the other terminal can select only the contents held in the shared storage area, not all of the contents held by the terminal. Can be.

According to a third embodiment of the present disclosure, a terminal is disclosed. The terminal includes a receiving unit for receiving meta information related to the content held in the other terminal from the cloud server; And a content management unit which checks the received meta information, selects specific content from among contents held in the other terminal based on the checked meta information, and receives the selected specific content from the other terminal. .

The content manager receives first meta information related to content held in the other terminal at a first point of time and second meta information related to content held in the other terminal at a second point of time, and included in the second meta information. However, content not included in the first meta information may be selected as the specific content.

The content management unit generates meta information on content held by the terminal, compares the received meta information with the generated meta information, and is included in the received meta information, but not included in the generated meta information. Content may be selected as the specific content.

According to a fourth embodiment of the present disclosure, a cloud server is disclosed. The cloud server includes: a receiving unit for receiving the meta information from a transmitting terminal which generates meta information related to the contents held; The meta information management unit may be configured to transmit the received meta information to a receiving terminal and to provide specific content among contents held in the transmitting terminal selected by the receiving terminal based on the meta information.

The meta information management unit may request the transmitting terminal to transmit the specific content to the receiving unit, and transmit the specific content received through the receiving unit to the receiving terminal.

The meta information management unit transmits information necessary for direct connection to the transmitting terminal and the receiving terminal so that the specific content is transmitted from the transmitting terminal to the receiving terminal, and the information necessary for the direct connection is authentication information of the receiving terminal. And one or more of an IP address of the transmitting terminal and the receiving terminal, a storage location of the specific content, and an identifier of the specific content.

When there are two or more terminals holding the specific content, the meta information management unit may set and transmit the information necessary for the direct connection so that the receiving terminal can receive the specific content from the two or more terminals.

According to a fifth embodiment of the present disclosure, a cloud-based content sharing method is disclosed. The method includes generating and transmitting meta information related to content held by a transmitting terminal; A cloud server receiving the meta information from the transmitting terminal; Checking, by the receiving terminal, the meta information generated at the transmitting terminal and selecting specific content among contents held in the transmitting terminal based on the identified meta information; The receiving terminal may include receiving the selected specific content from the transmitting terminal.

According to a sixth embodiment of the present disclosure, a cloud-based content sharing method of a terminal is disclosed. The method includes generating meta information related to the content being held; Transmitting the generated meta information to a cloud server; When the other terminal selects a specific content from among the content held on the basis of the meta information, it may include providing the specific content to the other terminal.

The generating of the meta information related to the held content includes generating the meta information only for the content held in the shared storage area of the terminal, so that the content is held in the shared storage area instead of all of the content held by the terminal. It may be a step of allowing the other terminal to select only.

According to the seventh embodiment of the present disclosure, a cloud-based content sharing method of a terminal is disclosed. The method includes receiving meta information related to content held in another terminal from a cloud server; Checking the received meta information and selecting specific content among contents held in the other terminal based on the checked meta information; And receiving the selected specific content from the other terminal.

Receiving the meta information is a step of receiving the first meta information related to the content held in the other terminal at the first time point and the second meta information related to the content held in the other terminal at the second time point, Selecting a specific content may be selecting a content included in the second meta information but not included in the first meta information as the specific content.

The selecting of the specific content may include generating meta information on content held by the terminal, comparing the received meta information with the generated meta information, and included in the received meta information, but the generated meta information. And selecting content not included in the information as the specific content.

According to an eighth embodiment of the present disclosure, a cloud-based content sharing method of a cloud server is disclosed. The method comprises the steps of: receiving the meta information from a transmitting terminal which has generated meta information related to the held content; Transmitting the received meta information to a receiving terminal; The receiving terminal may include providing specific content among contents held in the transmitting terminal selected based on the meta information.

The providing of the specific content may include requesting the transmitting terminal to transmit the specific content to the receiving unit, and transmitting the specific content received through the receiving unit to the receiving terminal.

The providing of the specific content may include transmitting information necessary for direct connection to the transmitting terminal and the receiving terminal so that the specific content is transmitted from the transmitting terminal to the receiving terminal. It may include at least one of authentication information of a receiving terminal, IP addresses of the transmitting terminal and the receiving terminal, a storage location of the specific content, and an identifier of the specific content.

According to the embodiments disclosed herein, content may be synchronized and shared based on meta information between a plurality of terminals and / or users who can use the cloud service. Furthermore, there is an advantage that can reduce the time required for the synchronization and server load. In addition, the terminal according to an embodiment of the present disclosure may conveniently use contents stored in other terminals, and may provide content providing / use services between terminals through a more effective method of downloading or streaming through a cloud server of the present specification. Effect can be derived.

1 is a conceptual diagram of a cloud system and a service to which an embodiment of the present specification may be applied.

2 is a conceptual diagram of a cloud storage-based content sharing system according to an embodiment of the present specification.

3 is a block diagram illustrating a terminal according to an embodiment of the present specification.

4 is a flowchart illustrating a cloud-based content sharing method according to an embodiment of the present specification.

5 is a flowchart illustrating a content sharing service providing method of a cloud server according to an exemplary embodiment of the present specification.

6 is a flowchart illustrating a cloud-based content sharing method of a terminal according to an embodiment of the present invention.

7 is a flowchart illustrating a cloud-based content sharing providing method of a cloud server according to an exemplary embodiment of the present invention.

8 is a conceptual diagram of a cloud system according to an embodiment of the present specification.

9 is a block diagram illustrating a terminal device according to an embodiment of the present specification.

10 is a flowchart illustrating a method of interworking between a cloud server and a terminal according to an embodiment of the present invention.

11 is a flowchart illustrating a method of interworking between a cloud server and a terminal according to an embodiment of the present invention.

It is to be noted that the technical terms used herein are merely used to describe particular embodiments, and are not intended to limit the present invention. In addition, the technical terms used in the present specification should be interpreted as meanings generally understood by those skilled in the art unless they are specifically defined in this specification, and are overly inclusive. It should not be interpreted in the sense of or in the sense of being excessively reduced. In addition, when the technical terms used herein are incorrect technical terms that do not accurately represent the spirit of the present invention, it should be replaced with technical terms that can be understood correctly by those skilled in the art. In addition, the general terms used in the present invention should be interpreted as defined in the dictionary or according to the context before and after, and should not be interpreted in an excessively reduced sense.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or similar components will be given the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. In addition, in describing the present invention, when it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, it is to be noted that the accompanying drawings are only for easily understanding the spirit of the present invention and are not to be construed as limiting the spirit of the present invention by the accompanying drawings. The spirit of the invention should be construed to extend to all changes, equivalents, and substitutes in addition to the accompanying drawings.

The cloud system of the present specification may be configured to include

terminal devices

10a and 10b, a cloud server 20, and an existing service server 30.

The

terminal devices

10a and 10b may be connected to the cloud server 20 through a wired network and / or a wireless network as a device such as a PC or a smartphone. In this case, the wired network includes an internet network, and the wireless network includes a mobile communication network such as GSM, CDMA, WCDMA, LTE, or a local area wireless communication network such as WI-FI.

The cloud server 20 may provide various cloud services to the connected terminal device independently or through interworking with the existing service server 30. For example, it is possible to provide multimedia such as music, movies, photos, or to synchronize data between various terminal devices. In addition, it is possible to provide a service for establishing a connection between users using the cloud service.

More specifically, the cloud service of the present specification collects content (photos, music, videos, documents, etc.) distributed in various terminal devices of an individual and manages them in a unified system, and based on this, the N-screen It is a service that enables seamless content management and consumption in the (Screen) environment. The cloud service of the present specification may further perform the following functions.

1) Content metadata integration (content information file management)

It is possible to integrate and manage metadata of contents distributed in cloud storage, various terminal devices of users, and various services in use, and build a foundation that can be provided according to a user's environment.

2) Content delivery function (upload / download function)

In addition to basic content delivery functions (video conversion / streaming), metadata-based services such as content transmission between terminal devices can be supported.

3) Open API

An open API for interworking with an existing service can be provided for each interworking target service.

The existing service server 30 of FIG. 1 may be used to provide the above-described cloud service by interworking with the cloud server 20 through a predetermined interface.

2 is a conceptual diagram of a cloud service based on meta information according to one embodiment of the present specification.

The meta information-based cloud system of the present specification may be configured to include

terminal devices

100a and 100b and a cloud server 200. In addition, the cloud server 200 may be linked to the internal or external storage 250. The terminal 100 may be a PC, a smartphone, a tablet PC, and the like, and the cloud server through a wired internet network, a wireless cellular network (WCDMA, LTE, Wibro, etc.), a local area wireless communication network (WLAN, WI-FI, etc.), or the like. Connected to 200.

The user of the terminal may use the cloud service of the present specification through the terminal 100 connected to the cloud server by wire and / or wireless. In this case, the terminal may be equipped with an agent software, an App, etc. for using the cloud service, and the user may drive the corresponding app to subscribe, use, or change the cloud service. .

In particular, the cloud service user may share multimedia content among multiple terminals or between multiple users. In this case, the multimedia content may include music, a video, a photo, a document, and the like.

Such a cloud-based content sharing system includes

terminals

100a and 100b provided to upload meta information about the stored content to a cloud server when the content is stored in a predefined storage location (eg, a specific folder). . In this case, the meta information may include information such as a file name, a file size, a property, and a thumbnail image of the content.

In order to perform the function, the terminal may be equipped with a dedicated software or app. For example, when the terminal is a PC, a cloud service agent program is installed, and in the case of a smartphone and a tablet PC, a cloud service application is installed to transmit the content and meta information. (Upload) can be performed. The agent or application may be implemented to provide a function for controlling connection and / or disconnection of cloud services of another terminal from one terminal. Such an agent program or application may be downloaded from a predetermined web site via the Internet or the like.

Referring to FIG. 2, when the terminal 100a is in a situation of uploading meta information (eg, when content is stored in a predefined terminal storage area), the terminal 100a may send a content upload request to the cloud server 200. Can be. At this time, the authentication key request / reception process for uploading may be further performed.

Upon receiving permission to upload meta information from the cloud server 200, the terminal 100a uploads meta information related to the content being held, and the cloud server stores the meta information in a predetermined storage (storage server, database, etc.). Additionally, an information file related to the content may be additionally generated and stored. In this case, the cloud server 200 may transmit the content itself to the server, or may transmit the content to the server when necessary in the future.

In order to perform the above process, the cloud server 200 may further perform functions such as session verification, upload management, and automatic upload management, and the storage 250 may check available capacity, manage files, generate signatures, and the like. Can perform more functions.

The cloud server 200 storing the meta information transmitted from the terminal 100a allows the other terminal 100b to check the meta information. That is, the cloud server 200 directly or processes and transmits the meta information to another terminal 100b designated to be synchronized with the terminal 100a, so that the other terminal 100b transmits a content (meta information) terminal. The content retained at 100a can be obtained.

As an embodiment, the cloud server 200 may include first meta information related to content held by the transmission terminal 100a at a first time point and second meta information related to content held by the other terminal at a second time point, respectively. The terminal 100b may transmit to the receiving terminal 100b, and the receiving terminal 100b may select and request contents included in the second meta information but not included in the first meta information.

In another embodiment, the cloud server 200 transmits the meta information received from the transmitting terminal 100a to the receiving terminal 100b immediately or after a predetermined time, and the receiving terminal 100b receives the receiving terminal ( 100b) generating meta information on content held therein, comparing the received meta information with the generated meta information, and selecting content included in the received meta information but not included in the generated meta information. Can be requested.

The receiving terminal 100b that selects a specific content among the contents held in the transmitting terminal 100a based on the meta information received from the cloud server makes a request directly to the transmitting terminal 100a or the cloud server 200. By indirectly requesting through the selected specific content can be provided.

Hereinafter, a method of receiving the selected specific content by the receiving terminal 100b will be described.

First, as an embodiment, the receiving terminal 100b selects specific content to be provided based on meta information about the content held by the transmitting terminal 100a. Thereafter, the receiving terminal 100b requests the cloud server 200 to provide the specific content. The cloud server 200 requests the transmitting terminal 100a to transmit the specific content to the cloud server 200, and the cloud server 200 receiving the specific content from the transmitting terminal 100a The specific content is transmitted to the receiving terminal 100b.

In another embodiment, the receiving terminal 100b selects specific content to be provided based on meta information about content held by the transmitting terminal 100a. Thereafter, the receiving terminal 100b requests the cloud server 200 to provide the specific content. Receiving the request, the cloud server 200 transmits information necessary for direct connection to the transmitting terminal 100a and the receiving terminal 100b so that the specific content is stored in the receiving terminal at the transmitting terminal 100a ( 100b). That is, the specific content may be delivered in a p2p manner. In this case, the information necessary for the direct connection is one of authentication information of the receiving terminal 100b, IP addresses of the transmitting terminal 100a and the receiving terminal 100b, a storage location of the specific content, and an identifier of the specific content. It may contain the above. The receiving terminal 100b receiving the content from the transmitting terminal 100a may play the content in a streaming manner, and further perform a reproduction control function (stop / play / skip, etc.). have. On the other hand, if the video content is delivered. The transmitting terminal 100a may optimize and deliver the resolution, subtitles, video codec, etc. of the video content through the real-time transcoding to the receiving terminal 100b.

Furthermore, when there are two or more terminals having the specific content, the cloud server 200 may provide the information necessary for the direct connection so that the receiving terminal 100b may receive the specific content by dividing the specific content from the two or more terminals. You can also set and send.

On the other hand, if any terminal requests the inquiry of the contents held by the transmitting terminal 100a, the cloud server 200 provides meta information about the contents held by the transmitting terminal 100a to provide an arbitrary terminal. You can make this information searchable. In this case, the content held by the transmitting terminal 100a may be classified into four types of contents such as photo / music / video / document.

Figure 3 (a) is a block diagram of a terminal (transmitting terminal, 100a) that can provide the content that is held to another terminal, Figure 3 (b) is a terminal (receiving terminal) that can receive content from another terminal , 100b).

The

terminals

100a and 100b are configured to receive the cloud service described with reference to FIGS. 1 and 2. In particular, the

terminals

100a and 100b are provided to share and / or synchronize multimedia contents between multiple terminals or multiple users.

The

terminals

100a and 100b may include a content manager 100a-1 and 100b-1, a transmitter 100a-2 and 100b-2, and a receiver 100a-3 and 100b-3.

The content managers 100a-1 and 100b-1 may generate meta information about content held therein. At this time, the content management unit (100a-1, 100b-1) generates the meta information only for the content that is held in the shared storage area of the terminal (100a, 100b), all the content held by the terminal (100a, 100b) Other terminals can select only the contents held in the shared storage area.

In addition, the content managers 100a-1 and 100b-1 may perform the content sharing method described with reference to FIG. 2. That is, based on meta information generated from another terminal, specific content may be selected from among contents held by another terminal, and the selected specific content may be provided.

When operating as the receiving terminal 100b, the content management unit 100b-1 may transmit the first meta information related to the content held in the other terminal 100a at a first time point and the other terminal 100a at a second time point. Receives second meta information related to the content held in the second content, and may include content included in the second meta information but not included in the first meta information as the specific content.

Alternatively, the content management unit 100b-1 generates meta information on content held by the terminal 100b, compares the meta information of the transmitting terminal 100a with the generated meta information, and transmits the transmitting terminal. Content included in the meta information of 100a but not included in the generated meta information may be selected as the specific content.

The transmitters 100a-2 and 100b-2 may transmit meta information generated by the content managers 100a-1 and 100b-1 to the cloud server. In addition, a specific content providing request may be transmitted to a cloud server or another terminal. When operating as the transmitting terminal 100a, the transmitting unit 100a-2 may transmit specific content to a cloud server or another terminal.

The receivers 100a-3 and 100b-3 may receive meta information about content held by another terminal. In addition, a specific content providing request may be received to a cloud server or another terminal. When operating as the receiving terminal 100b, the receiving unit 100b-2 may receive specific content from a cloud server or another terminal.

In order to perform the function, the terminal 100a or 100b may be equipped with a dedicated software or app. For example, if the terminal (100a, 100b) is a PC, a cloud service agent (Agent) program is installed, in the case of a smartphone and tablet PC cloud service application (App.) Is installed to the Content and meta information transmission (upload) may be performed. Such a program or application may be downloaded from a predetermined web site via the Internet or the like.

4 is a block diagram illustrating a cloud server according to an exemplary embodiment of the present specification.

The cloud server 200 is configured to provide the cloud service described in FIGS. 1 and 2. In particular, the cloud server is provided to share and / or synchronize multimedia content between multiple terminals or multiple users. In this case, the multimedia content may include music, a video, a photo, a document, and the like.

The cloud server 200 may include a meta information manager 201, a receiver 202, and a transmitter 203. In addition, it may further include an external linkage unit 204 for interworking with an external legacy system or service system.

The meta information management unit 201 may perform a content sharing method between terminals described with reference to FIG. 2. That is, the meta information received from one terminal may be transmitted to another terminal, and the specific terminal may provide specific content among contents held in the terminal selected by the other terminal based on the meta information. That is, when the meta information related to the content held from one terminal is received, the meta information management unit 201 stores the meta information in a predetermined storage (storage server, database, etc.). In addition, an information file related to the content may be additionally generated and stored. In this case, the meta information management unit 201 may transmit the content itself to the server, or may transmit the content to the server at a necessary time in the future. In order to perform the above process, the meta information management unit 201 may further perform functions such as session verification, upload management, and automatic upload management.

As one embodiment, another terminal selects specific content to be provided based on meta information about content held by one terminal. Thereafter, the other terminal requests the meta information management unit 201 to provide the specific content. The meta-information management unit 201 requests the one terminal to transmit the specific content to the meta-information management unit 201, and the meta-information management unit 201 receiving the specific content from the one terminal sends the specific content. Send to the other terminal.

In another embodiment, the other terminal selects specific content to be provided based on meta information about content held by the one terminal. Thereafter, the other terminal requests the meta information management unit 201 to provide the specific content. Upon receiving the request, the meta information management unit 201 transmits information necessary for direct connection to the one terminal and the other terminal so that the specific content is transmitted from the one terminal to the other terminal. That is, the specific content may be delivered in a p2p manner. In this case, the information required for the direct connection may include at least one of authentication information of the other terminal, IP addresses of the one terminal and the other terminal, a storage location of the specific content, and an identifier of the specific content. The other terminal receiving the content from the one terminal may play the content in a streaming manner, and may further perform a playback control function (stop / play / skip, etc.). On the other hand, if the video content is delivered. The one terminal may optimize and deliver the resolution, subtitles, video codec, etc. of the image content through the real-time transcoding to the other terminal.

Furthermore, if there are two or more terminals having the specific content, the meta information management unit 201 sets the information necessary for the direct connection so that the other terminal can receive the specific content from the two or more terminals by dividing the specific content. You can also send.

On the other hand, when a certain terminal requests the inquiry of the content held by the terminal, the meta information management unit 201 searches for information desired by any terminal by providing meta information about the content held by the terminal You can do it. In this case, the content held by the terminal may be classified into four types of contents such as photo / music / video / document.

The receiver 203 and the transmitter 203 may be provided to transmit and receive data and / or signals with the terminal device, and may further include a circuit for processing a wired or wireless signal. In particular, the receiving unit 203 may receive the meta information from one terminal that has generated meta information related to the content being held, or may receive specific content itself from the one terminal.

The transmitter 203 may transmit meta information received from an arbitrary terminal to another terminal. In addition, the transmitter 203 may transmit specific content transmitted from any terminal to the cloud server 200 to another terminal.

When the embodiment of the present specification is implemented in software, the above-described technique may be implemented as a module (process, function, etc.) for performing the above-described function.

5 is a flowchart illustrating a cloud-based content sharing method according to an embodiment of the present specification.

The cloud-based content sharing method in this figure may be performed through the transmitting terminal 100a, the receiving terminal 100b, and the cloud server 200.

The transmitting terminal (100a) is provided to upload meta information about the content to the cloud server. In this case, the meta information may include information such as a file name, a file size, a property, and a thumbnail image of the content.

Hereinafter, an embodiment of the present disclosure will be described with reference to FIG. 5.

The transmitting terminal 100a generates meta information related to the held content. In this case, the transmitting terminal 100a may generate the meta information only for contents held in the shared storage area of the transmitting terminal 100a (S400).

Thereafter, the transmitting terminal 100a transmits the generated meta information to the cloud server 200 (S410). In this case, the transmitting terminal 100a may also transmit the corresponding content to the cloud server 200, and may transmit the corresponding content to the cloud server 200 at a necessary time in the future.

The cloud server 200 receives the meta information from the transmitting terminal 100a and stores the meta information (S420).

The cloud server 200 checks the meta information generated by the receiving terminal 100b in the transmitting terminal 100a, and selects specific content among contents held in the transmitting terminal 100a based on the checked meta information. To be able to select. For example, the cloud server 200 transmits the meta information to the receiving terminal 100b (S425), so that the receiving terminal 100b checks the meta information and based on the checked meta information, the transmitting terminal 100a. In step S430, specific content may be selected from among the contents held in FIG.

The receiving terminal 100b selects specific content among the contents held in the transmitting terminal 100a based on the meta information received from the cloud server, and requests the specific content (S450). In this case, the receiving terminal 100b may directly request the specific content to the transmitting terminal 100a or indirectly request the specific content through the cloud server 200 to receive the specific content.

The receiving terminal 100b may be provided with the selected specific content according to the request.

In one embodiment, the receiving terminal 100b requests the cloud server 200 to provide the specific content. Receiving the request, the cloud server 200 transmits information necessary for direct connection to the transmitting terminal 100a and the receiving terminal 100b so that the specific content is stored in the receiving terminal at the transmitting terminal 100a ( 100b). That is, the specific content may be delivered in a p2p manner. In this case, the information necessary for the direct connection is one of authentication information of the receiving terminal 100b, IP addresses of the transmitting terminal 100a and the receiving terminal 100b, a storage location of the specific content, and an identifier of the specific content. It may contain the above.

In another embodiment, when the receiving terminal 100b requests the cloud server 200 to provide the specific content, the cloud server 200 transmits the specific content to the transmitting terminal 100a. The cloud server 200 which transmits the specific content from the transmitting terminal 100a and receives the specific content from the transmitting terminal 100a transmits the specific content to the receiving terminal 100b.

The

terminals

100a and 100b are configured to provide and receive contents through cloud services. In particular, the transmitting terminal 100a is provided to transmit meta information about the content to the cloud server. In this case, the meta information may include information such as a file name, a file size, a property, and a thumbnail image of the content.

Hereinafter, an embodiment of the present disclosure will be described with reference to FIG. 6.

The transmitting terminal 100a generates meta information related to the held content. In this case, the transmitting terminal 100a generates the meta information only for the contents held in the shared storage area inside the transmitting terminal 100, so that the transmitting terminal 100a does not have all of the contents held by the transmitting terminal 100a. Only other content can be selected by the other terminal.

The transmitting terminal 100a transmits the generated meta information to the cloud server (S600). In this case, the transmitting terminal 100a may also transmit the corresponding content to the cloud server, or may transmit the corresponding content to the cloud server at a later point in time. The cloud server receives the meta information from the transmitting terminal 100a and stores the meta information.

The receiving terminal 100b may check the meta information generated by the transmitting terminal 100a and select specific content among contents held in the transmitting terminal 100a based on the checked meta information.

For example, the receiving terminal 100b receives the meta information from the cloud server (S710), confirms the meta information, and identifies the content among the contents held in the transmitting terminal 100a based on the checked meta information. The content may be selected (S720).

As an embodiment, the cloud server may receive first meta information related to content held by the transmitting terminal 100a at a first time point and second meta information related to content held by the other terminal at a second time point, respectively. 100b), and the receiving terminal 100b may select and request content included in the second meta information but not included in the first meta information.

In another embodiment, the cloud server transmits the meta information received from the transmitting terminal 100a to the receiving terminal 100b immediately or after a predetermined time, and the receiving terminal 100b is inside the receiving terminal 100b. Generate meta information on content held in the web server, compare the received meta information with the generated meta information, and select and request content included in the received meta information but not included in the generated meta information; have.

Thereafter, the receiving terminal 100b requests the selected specific content (S720). In this case, the receiving terminal 100b may directly request the specific content to the transmitting terminal 100a or indirectly request the specific content through the cloud server to receive the specific content.

In one embodiment, the receiving terminal 100b requests the cloud server to provide the specific content. The cloud server receiving the request transmits the information necessary for the direct connection to the transmitting terminal 100a and the receiving terminal 100b, and the receiving terminal receives the information necessary for the direct connection (S730). .

The transmitting terminal 100a and the receiving terminal 100b are directly connected to each other based on the information necessary for the direct connection to each other to transmit / receive the specific content (S740 and S750). That is, the specific content is delivered in a p2p manner.

In this case, the information necessary for the direct connection is one of authentication information of the receiving terminal 100b, IP addresses of the transmitting terminal 100a and the receiving terminal 100b, a storage location of the specific content, and an identifier of the specific content. It may contain the above.

In order to perform the method, the terminal 100a or 100b may be equipped with a dedicated software or app. For example, if the terminal (100a, 100b) is a PC, a cloud service agent (Agent) program is installed, in the case of a smartphone and tablet PC cloud service application (App.) Is installed to the Content and meta information transmission (upload) may be performed. Such a program or application may be downloaded from a predetermined web site via the Internet or the like.

The cloud server is configured to provide the cloud service described in FIGS. 1 and 2. In particular, the cloud server is provided to share and / or synchronize multimedia content between multiple terminals or multiple users.

Hereinafter, an embodiment of the present disclosure will be described with reference to FIG. 7.

When the cloud server receives meta information (first meta information) related to the content held from one terminal (S700), the cloud server stores the meta information in a predetermined storage (storage server, database, etc.). In addition, an information file related to the content may be additionally generated and stored. In this case, the cloud server may receive the content together, or may receive the content at a necessary time in the future.

The cloud server may transmit the received first meta information to another terminal (S710). The other terminal selects specific content held in the one terminal to be provided based on the first meta information.

In one embodiment, the other terminal requests the cloud server to provide the selected specific content. Receiving the request (S720), the cloud server requests the one terminal to transmit the specific content to the cloud server, and the cloud server receiving the specific content from the one terminal receives the specific content. Send to the terminal.

In another embodiment, the other terminal requests the cloud server to provide the specific content. The cloud server receiving the request transmits information necessary for direct connection to the one terminal and the other terminal so that the specific content is transmitted from the one terminal to the other terminal (S730). That is, the specific content may be delivered in a p2p manner. In this case, the information required for the direct connection may include at least one of authentication information of the other terminal, IP addresses of the one terminal and the other terminal, a storage location of the specific content, and an identifier of the specific content.

When the transmission and reception of the specific content is completed, the cloud server receives a transmission result (success / failure, etc.) (S740).

Furthermore, when there are two or more terminals having the specific content, the cloud server may set and transmit the information necessary for the direct connection so that the other terminal can receive the specific content from the two or more terminals.

On the other hand, if any terminal requests the inquiry of the content held by the one terminal, the cloud server to provide the meta information about the content held by the one terminal so that any terminal can search for the desired information. Can be. In this case, the content held by the terminal may be classified into four types of contents such as photo / music / video / document.

The cloud system of the present specification may include a terminal device 300 and a cloud server 200.

The terminal device 300 may be a PC, a smartphone, a tablet PC, or the like, and may be connected to a wired Internet network, a wireless mobile communication network (WCDMA, LTE, Wibro, etc.), a local area wireless communication network (WLAN, WI-FI, etc.). It is connected to the cloud server 200.

The user may use the cloud service of the present disclosure through the terminal device 300 connected to the cloud server by wire and / or wirelessly. In this case, the terminal may be equipped with an agent software, an App, etc. for using the cloud service, and the user may drive the corresponding app to subscribe, use, or change the cloud service. .

In particular, the cloud service user may use the multimedia content stored in the cloud server as if the content is stored in the terminal. In this case, the multimedia content may include music, a video, a photo, and the like.

In order to perform the functions described herein, the terminal device 300 may be provided with a dedicated software or app. For example, if the terminal is a PC, the cloud service agent (Agent) program is installed, and in the case of smartphones and tablet PCs, the cloud service application (Appl.) Is installed to upload the contents and meta files. Can be performed. Such a program or application may be downloaded from a predetermined web site via the Internet or the like.

Referring to FIG. 8, the terminal device 300 receives content information (eg, meta information) about content stored in the cloud server 200, and loads the content stored in the cloud server 200 in the terminal. Can be reproduced through the application. To this end, the terminal device 300 controls the application to provide the user with a means for selecting the content stored in the cloud server 200, and if the content stored in the cloud server 200 is selected, the selected content Receive the content from the cloud server 200 to reproduce.

More specifically, it is as follows. When the interworking with the cloud server 200 is activated, the terminal device 300 includes the one or more applications mounted on the terminal device 300 based on the information about the content received from the cloud server 200. A reproduction application related to reproduction of content stored in the cloud server 200 is detected. For example, if the content stored in the cloud server 200 is a music file such as MP3, the reproduction application will be a music player, and if the content stored in the cloud server 200 is a video file, the reproduction application is a video player. will be.

The terminal device 300 creates, in the reproduction application, an icon for selecting the content stored in the cloud server 200 with respect to the reproduction application. For example, as illustrated in FIG. 8, the terminal device 300 creates a folder in which a separate icon A1 for storing contents stored in the cloud server 200 is displayed on a list screen of a photo file viewer application. As another example, the terminal device 300 may generate a folder displaying a separate icon A2 on which a content stored in the cloud server 200 is stored on a list screen of a music player application. As another example, the terminal device 300 may generate thumbnail images in which icons A3, A4, and A5 are displayed on content stored in the cloud server 200 on a list screen of a video player application.

When the specific content is selected through the icon created in the reproduction application, the terminal device 300 selects the content on which the icon A3, A4, or A5 is displayed or the folder in which the icon A1 or A2 is displayed. When the content stored in the request is made, the cloud server 200 requests the selected content.

The terminal device 300 receives the requested specific content from the cloud server 200 and reproduces the specific content through the reproduction application. In this case, the terminal device 300 may receive and reproduce the specific content by a download method or a streaming method.

The terminal device 300 is configured to receive the cloud service described with reference to FIGS. 1 and 8. In particular, the terminal device 300 is provided to reproduce multimedia contents stored in the cloud server as if the contents stored in the terminal. In this case, the multimedia content may include music, a video, a photo, and the like.

The terminal device 300 may include a controller 301 and one or more applications 302a, 302b, and 302c.

The controller 301 may perform the interworking method of the cloud server and the terminal described with reference to FIG. 8. Specifically, the controller 301 is one or more applications (302a, 302b) mounted on the terminal device 300 based on the information on the content received from the cloud server, when the linkage with the cloud server is activated. 302c), a reproduction application related to the reproduction of the content stored in the cloud server is detected. For example, when the content stored in the cloud server is a music file such as MP3, the reproduction application may be a music player. When the content stored in the cloud server 200 is a video file, the reproduction application may be a video player.

The controller 301 creates, in the reproduction application, an icon for selecting the content stored in the cloud server. For example, as illustrated in FIG. 8, the controller 301 generates a folder in which a separate icon for storing content stored in the cloud server is displayed on a list screen of a photo file viewer application. As another example, the controller 301 may generate a folder in which a separate icon for storing content stored in the cloud server is displayed on a list screen of a music player application. As another example, the controller 301 may generate a thumbnail image in which an icon is displayed on content stored in the cloud server on a list screen of a video player application.

The controller 301 may detect that a specific content is selected through the icon generated in a specific application among the reproduction applications. In addition, the controller 301 selects the content displayed on the icon generated in the reproduction application, that is, when the user selects the content on which the icon is displayed or selects the content stored in the folder on which the icon is displayed, the cloud selects the selected content. The server 200 makes a request.

The controller 301 receives the requested specific content from the cloud server 200, and reproduces the specific content through the reproduction application. In this case, the controller 301 may receive and reproduce the specific content by a download method or a streaming method.

The one or more applications 302a, 302b, and 302c may generate an icon for selecting content stored in the cloud server under the control of the controller 301, and reproduce the selected content.

The controller 301 may automatically upload data (address book, text message, photo, music, video, etc.) stored in the terminal device to the cloud server 200. In addition, the controller 301 may provide a menu for setting whether to perform the automatic upload, an execution period, and an access network (eg, 3G / LTE / WIFI).

In addition, the controller 301 may provide a preset function for connecting to the cloud server and performing the automatic upload of the built-in data. For example, a cloud server access account can be registered through an administrator menu such as 'environmental settings' of the terminal device, and parameters related to the connection with the cloud server and the automatic upload of built-in data can be set.

In order to perform the function, the terminal 300 may be equipped with dedicated software. For example, when the terminal 300 is a PC, a cloud service agent program is installed, and in the case of a smartphone and a tablet PC, a cloud service application is installed to provide the content information. Receiving and content reproduction can be performed. Such a program or application may be downloaded from a predetermined web site via the Internet or the like.

The cloud service user may use the multimedia content stored in the cloud server through the interworking method as if the content is stored in the terminal. In this case, the multimedia content may include music, a video, a photo, and the like.

Referring to FIG. 10, the terminal 300 receives content information (eg, meta information) about content stored in the cloud server 200, and the application mounted on the terminal to store the content stored in the cloud server 200. Can be reproduced through To this end, the terminal 300 controls the application to provide the user with a means for selecting the content stored in the cloud server 200, and if the content stored in the cloud server 200 is selected, the selected content The content is received from the cloud server 200 to reproduce.

More specifically, it is as follows. When the interworking with the cloud server 200 is activated, the terminal 300 receives content information (eg, meta information, etc.) regarding content stored in the cloud server 200 from the cloud server 200 (S1010). Thereafter, the terminal 300 may store the received content information (S1020).

The terminal 300 detects a reproduction application related to reproduction of content stored in the cloud server 200 among one or more applications mounted on the terminal 300 based on the received content information. For example, if the content stored in the cloud server 200 is a music file such as MP3, the reproduction application will be a music player, and if the content stored in the cloud server 200 is a video file, the reproduction application is a video player. will be.

Thereafter, the terminal 300 displays the content stored in the cloud server 200 through the detected reproduction application (S1030). In other words. The terminal 300 generates, in the reproduction application, an icon for selecting the content stored in the cloud server 200 with respect to the reproduction application. For example, as illustrated in FIG. 8, the terminal 300 creates a folder in which a separate icon A1 for storing contents stored in the cloud server 200 is displayed on a list screen of a photo file viewer application. As another example, the terminal 300 may create a folder displaying a separate icon A2 on which a content stored in the cloud server 200 is stored on a list screen of a music player application. As another example, the terminal 300 may generate thumbnail images in which icons A3, A4, and A5 are displayed on content stored in the cloud server 200 on a list screen of a video player application.

When the specific content is selected through the icon generated in the reproduction application (S1040), that is, the user selects the content on which the icons A3, A4, and A5 are displayed or the icons A1 and A2 are displayed. When the content stored in the displayed folder is selected, the cloud server 200 requests the selected content (S1050).

The terminal 300 receives the requested specific content from the cloud server 200 (S1060), and reproduces the specific content through the reproduction application (S1070). In this case, the terminal 300 may receive and reproduce the specific content by a download method or a streaming method.

Referring to FIG. 11, when interworking with a cloud server is activated, the terminal receives content information (eg, meta information) about content stored in the cloud server from the cloud server (S1100). Thereafter, the terminal can store the received content information (S1110).

The terminal may detect a reproduction application related to the reproduction of the content stored in the cloud server among one or more applications mounted on the terminal based on the received content information, and transmit the content information to the detected reproduction application ( S1120). For example, if the content stored in the cloud server is a music file such as MP3, the reproduction application will be a music player, and if the content stored in the cloud server is a video file, the reproduction application will be a video player.

Thereafter, the terminal displays the content stored in the cloud server through the detected reproduction application (S1130). In other words. The terminal generates, in the reproduction application, an icon for selecting the content stored in the cloud server with respect to the reproduction application. (See FIG. 8)

When the terminal selects a specific content through the icon created in the reproduction application (S1140), that is, when the user selects the content on which the icon is displayed or selects the content stored in the folder on which the icon is displayed, the terminal selects the selected content from the cloud. Request to the server (S1150).

The terminal receives the requested specific content from the cloud server, and reproduces the specific content through the reproduction application (S11600). In this case, the terminal may receive and reproduce the specific content by a download method or a streaming method.

The embodiments described above are the components and features of the present invention are combined in a predetermined form. Each component or feature is to be considered optional unless stated otherwise. Each component or feature may be embodied in a form that is not combined with other components or features. It is also possible to combine some of the components and / or features to form an embodiment of the invention. The order of the operations described in the embodiments of the present invention may be changed. Some components or features of one embodiment may be included in another embodiment or may be replaced with corresponding components or features of another embodiment. The invention can be embodied in other specific forms without departing from the spirit and essential features of the invention. Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative. The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention. It is also possible to form embodiments by combining claims that do not have an explicit citation in the claims or to include them as new claims by post-application correction.

According to the terminal and the cloud server according to an embodiment of the present invention, generating the meta information related to the content is held, and transmits the generated meta information to the cloud server, the other terminal is based on the meta information the content is held In the case of selecting a specific content of the present invention by providing the specific content to the other terminal, it is possible to conveniently use the content stored in the other terminal, and the content between the terminals can be provided / used by a more effective way of downloading or streaming method It is an invention with industrial applicability because the possibility of commercialization or sales of the apparatus to which the technology of the specification is applied is not only sufficient but also practically evident.

Claims

A content manager to generate meta information related to the content being held;

And a transmitter for transmitting the generated meta information to a cloud server.

And the content management unit provides the specific content to the other terminal when the other terminal selects the specific content among the contents held by the other terminal based on the meta information.
The method of claim 1,

The content management unit,

The meta information is generated only for the contents held in the shared storage area of the terminal, so that the other terminal can select only the contents held in the shared storage area, not all of the contents held by the terminal. Terminal.
Receiving unit for receiving the meta information related to the content held in the other terminal from the cloud server;

And a content management unit which checks the received meta information, selects a specific content from among contents held in the other terminal based on the checked meta information, and receives the selected specific content from the other terminal. Terminal.
The method of claim 3,

The content management unit,

Receiving first meta information related to content held in the other terminal at a first time point and second meta information related to content held in the other terminal at a second time point,

And the content included in the second meta information but not included in the first meta information is selected as the specific content.
The method of claim 3,

The content management unit,

Generating meta information about content held by the terminal;

And comparing the received meta information with the generated meta information to select content included in the received meta information but not included in the generated meta information as the specific content.
A receiving unit which receives the meta information from a transmitting terminal which generates meta information related to the content to be held;

And a meta information management unit which transmits the received meta information to a receiving terminal and provides specific contents among contents held in the transmitting terminal selected by the receiving terminal based on the meta information.
The method of claim 6,

The meta information management unit

Requesting the transmitting terminal to transmit the specific content to the receiving unit, and transmitting the specific content received through the receiving unit to the receiving terminal.
The method of claim 6,

The meta information management unit

Transmitting the information necessary for the direct connection to the transmitting terminal and the receiving terminal so that the specific content is transmitted from the transmitting terminal to the receiving terminal,

The information necessary for the direct connection may include at least one of authentication information of the receiving terminal, IP addresses of the transmitting terminal and the receiving terminal, a storage location of the specific content, and an identifier of the specific content. .
The method of claim 8,

The meta information management unit

When there are two or more terminals holding the specific content, the cloud server, characterized in that for setting and transmitting the information required for the direct connection so that the receiving terminal can receive the specific content from the two or more terminals.
Generating meta information related to the content being held;

Transmitting the generated meta information to a cloud server;

And providing the specific content to the other terminal when the other terminal selects the specific content from among the held contents on the basis of the meta information.
A computer readable medium comprising instructions for performing each step of the method according to claim 10.
Receiving meta information related to content held in another terminal from a cloud server;

Checking the received meta information and selecting specific content among contents held in the other terminal based on the checked meta information;

Cloud-based content sharing method comprising the step of receiving the selected specific content from the other terminal.
A computer-readable recording medium comprising instructions for performing each step of the method according to claim 12.
Receiving the meta information from a transmitting terminal that generates the meta information related to the held content;

Transmitting the received meta information to a receiving terminal;

And providing specific content among contents held in the transmitting terminal selected by the receiving terminal on the basis of the meta information.
A transmitting terminal for generating meta information related to the held content;

A receiving terminal that checks the meta information generated by the transmitting terminal, selects specific contents among contents held in the transmitting terminal based on the identified meta information, and receives the selected specific contents from the transmitting terminal; And

And a cloud server for receiving the meta information from the transmitting terminal and allowing the receiving terminal to check the meta information.
Generating and transmitting meta information related to contents held by a transmitting terminal;

A cloud server receiving the meta information from the transmitting terminal;

Confirming, by the receiving terminal, the meta information generated at the transmitting terminal and selecting specific content among contents held in the transmitting terminal based on the identified meta information;

The receiving terminal comprises the step of receiving the selected specific content from the transmitting terminal characterized in that the cloud-based content sharing method.