WO2015105220A1

WO2015105220A1 - Mobile terminal, and method for managing multimedia data in the mobile terminal

Info

Publication number: WO2015105220A1
Application number: PCT/KR2014/000386
Authority: WO
Inventors: 전종환
Original assignee: 주식회사 노매드커넥션
Priority date: 2014-01-13
Filing date: 2014-01-14
Publication date: 2015-07-16
Also published as: KR20150084232A; KR101552106B1

Abstract

The present invention relates to a mobile terminal which receives multimedia data by using a plurality of channels, and to a method for receiving and managing multimedia data in the mobile terminal. The present invention is characterised by comprising: a wireless communication unit, which receives wireless data from a plurality of external servers which are connected using a plurality of different protocols; a memory, which stores part of the data for one or more multimedia files on the basis of the selection of a user; and a control unit, which, if there is a play request for any one of the one or more multimedia files, plays pre-stored data of the multimedia file corresponding to the play request, and, whilst the pre-stored data is being played, receives, from the plurality of external servers, the remaining data for the multimedia file requested to be played, and plays the pre-stored data in succession.

Description

Mobile terminal and method for managing multimedia data in the mobile terminal

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal for receiving multimedia data using a plurality of channels and a method for receiving and managing multimedia data in the mobile terminal.

Current mobile terminals are in the form of a multimedia device having a function of capturing a picture or a video, a previously stored video, or a multimedia data received through a wireless network with at least one external server as the functions are diversified. Is being implemented.

In addition, the current mobile terminal can provide a network streaming service for receiving and playing multimedia streaming data in real time from an external server as well as a multimedia file stored in the terminal.

However, such a current mobile terminal, in providing the network streaming service, uses a transmission control protocol (TCP) or a user datagram protocol (UDP) based on a protocol determined by the type or version of the system or operating system of the mobile terminal or software. Streaming data can be received using either protocol. Therefore, even when receiving streaming data from an external server or the like, the streaming data can be received and reproduced using only one of TCP or UDP.

However, this method of receiving streaming data using only one protocol has a risk of seriously delaying or interrupting the reception of streaming data when the data of the channel according to the protocol is not well received. . Accordingly, a situation in which a mobile terminal receives streaming data using a plurality of channels according to a plurality of protocols has been actively studied.

An object of the present invention is to provide a mobile terminal and a method for managing multimedia data of the mobile terminal to receive the necessary streaming data faster through a network so that a network streaming service can be smoothly provided.

Another object of the present invention is to enable a user to receive desired multimedia data using a protocol having a good reception state of data among a plurality of protocols regardless of the type, version, software, or the like of a system or an operating system of a mobile terminal. A mobile terminal and a method of managing streaming data of the mobile terminal are provided.

According to an embodiment of the present invention, a mobile terminal includes a wireless communication unit for receiving wireless data from a plurality of external servers connected using a plurality of different protocols, and a part of at least one multimedia file based on a user's selection. A memory for storing data of the memory and, when there is a play request for any one of the at least one multimedia file, playing the prestored data of the multimedia file corresponding to the play request, and while the prestored data is being played. And a controller configured to receive the remaining data of the multimedia file requested to be reproduced from the plurality of external servers and to reproduce the data after the previously stored data.

According to an embodiment, the controller may convert the format of data received using another protocol according to a format according to one protocol, and convert the format of the data according to any one protocol into the plurality of external servers. Integrating data received from the.

The control unit may receive the remaining data of the multimedia file from at least one external server using a first protocol of the plurality of protocols and at least one of the plurality of protocols through a second protocol. When the connection with another external server is possible, the remaining data of the multimedia file may be received from at least one other external server connectable through the second protocol in preference to the external server connected through the first protocol.

The control unit may be configured to connect to at least one other external server through a second protocol of the plurality of protocols, based on a reception state of data received from the at least one other external server. And receiving the remaining data of the multimedia file from at least one external server connected through one of the first protocol and the second protocol.

In one embodiment, the plurality of protocols include Transmission Control Protocol (TCP) and User Datagram Protocol (UDP), and the first protocol and the second protocol are any one of the TCP and UDP, respectively. do.

The display device may further include a display unit configured to output an image signal of the multimedia file requested to be played back, wherein the controller is further configured to, when there is a play request for the multimedia file, the multimedia file corresponding to the play request. The display unit may display a portion that is currently reproducible based on previously stored data and a portion that can be reproduced based on data received from the plurality of external servers.

In one embodiment, the controller detects at least one multimedia file from the plurality of external servers based on a preset condition, and from the detected at least one multimedia file by a size determined by Equation 1 below. The data is stored in advance in the memory.

Equation 1

In the method of managing a multimedia file of a mobile terminal according to an embodiment of the present invention, at least one multimedia file in which at least some data is stored in the mobile terminal and at least one multimedia file that can be received and reproduced from a plurality of external servers are provided. Outputting a list; reproducing a pre-stored portion when at least a portion of a multimedia file selected by a user from the list of multimedia files is pre-stored; and data corresponding to a non-stored portion of the multimedia file Receiving from the plurality of external servers connected using a plurality of different protocols, and converting the format of the received data using a different protocol, according to the format according to any one of the protocols, In accordance with the protocol of the And integrating the data received from the plurality of external servers, and reproducing the portion corresponding to the integrated data of the multimedia file after the pre-stored portion.

The receiving of the data from the plurality of external servers may include connecting to at least one external server using a first protocol of the plurality of protocols, and connecting a second protocol of the plurality of protocols. Determining whether it is possible to connect to at least one other external server through the connection, and when receiving connection to the at least one other external server, determining a reception state of data received from the at least one other external server; and Based on a reception state of data received from at least one other external server, an unstored portion of the multimedia file from at least one external server connected through any one of the first protocol and the second protocol. And receiving corresponding data. do.

According to an embodiment of the present invention, a mobile terminal and a method for managing a multimedia file of the mobile terminal may store a part of a multimedia file according to a predetermined condition in advance and play the same while receiving the remaining part. Allow content to be provided.

In a mobile terminal and a method for managing a multimedia file of the mobile terminal according to an embodiment of the present invention, by receiving necessary data using a plurality of channels including a memory of the mobile terminal, multimedia content desired by the user can be quickly delivered to the user. To be provided.

1 is a conceptual diagram illustrating a mobile terminal and at least one external server through which the mobile terminal receives data according to an embodiment of the present invention.

2 is a block diagram illustrating a configuration of a mobile terminal according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a process of receiving multimedia data using a plurality of channels in a mobile terminal according to an embodiment of the present invention.

4 is a flowchart illustrating a process of generating and displaying a list of multimedia files according to a preset condition of a mobile terminal in a mobile terminal according to an exemplary embodiment of the present invention.

5 is a flowchart illustrating a process of playing multimedia content in a mobile terminal according to an embodiment of the present invention.

FIG. 6 is an exemplary diagram illustrating an example in which multimedia content is reproduced according to the method illustrated in FIG. 5.

Hereinafter, embodiments of the present disclosure 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. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other. In addition, in describing the embodiments disclosed herein, when it is determined that the detailed description of the related known technology may obscure the gist of the embodiments disclosed herein, the detailed description thereof will be omitted. In addition, it should be noted that the accompanying drawings are only for easily understanding the embodiments disclosed in the present specification and are not to be construed as limiting the technical spirit disclosed in the present specification by the accompanying drawings.

The mobile terminal described herein includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (Pda), a portable multimedia player (PMP), a navigation device, and a slate PC. , Tablet Pc, Ultra book and the like. However, it will be apparent to those skilled in the art that the configuration according to the embodiments described herein may also be applied to fixed terminals, such as digital TVs and desktop computers, except when applicable only to mobile terminals.

Hereinafter, exemplary embodiments disclosed herein will be described in detail with reference to the accompanying drawings.

First, the network streaming service will be described briefly. In the network streaming service, a mobile terminal receives a plurality of multimedia data obtained by dividing one multimedia file by a predetermined time unit through a network, and receives the plurality of multimedia data ( Each of the multimedia files is reproduced in turn according to a preset playback order, so that the multimedia file can be transmitted and reproduced in real time from the network.

1 is a conceptual diagram illustrating a mobile terminal according to an embodiment of the present invention for providing such a network streaming service and at least one external server through which the mobile terminal receives data.

First of all, in order to provide a thorough understanding of the present invention, the basic principles of the present invention will be described with reference to FIG. 1. The mobile terminal 100 according to an embodiment of the present invention provides a network streaming service for multimedia files stored in a plurality of external servers. In order to provide, data of at least part of the multimedia file may be stored in advance. In addition, a file list including information on the multimedia files may be provided.

When the user selects any one of the multimedia files included in the file list, the mobile terminal 100 causes the data of the pre-stored part of the multimedia file corresponding to the user's selection to be played. While the pre-stored part is being played back, the mobile terminal 100 connects to an external server using at least one of a plurality of different protocols, and receives data related to the remaining part of the selected multimedia file from the connected external server. do. The received data may be reproduced after the previously stored some multimedia files so that a streaming function for the multimedia file selected by the user may be provided.

Here, the mobile terminal 100 may receive the remaining data of the selected multimedia file from at least one external server using a plurality of different protocols. For example, the mobile terminal 100 may form channels corresponding to each of the plurality of protocols, and receive the remaining data through each channel.

That is, as shown in Figure 1, the mobile terminal 100 according to an embodiment of the present invention to form a channel (first channel: 112) connected to the first external server 110 using the first protocol. Can be. Then, the first external server 110 may transmit the remaining data of the multimedia file to the mobile terminal 100 through the first channel 112 in the format of a protocol (first protocol) used by the first external server 110 (first Format data).

In addition, the mobile terminal 100 may form a channel (second channel: 122) connected to the second external server 120 using the second protocol, and the second external server through the formed second channel 122. From 120, the remaining data may be received in the form of a protocol used by the second external server 120 (second format data).

Herein, the mobile terminal 100 may select any one protocol based on the priority set in each of the plurality of protocols. The remaining data may be received from an external server using the selected protocol. In addition, when the reception state of the currently received data is not good, the mobile terminal 100 may select a protocol corresponding to the next priority of the currently used protocol. In this case, the mobile terminal 100 may form a channel using the newly selected protocol, and may receive the remaining data of the multimedia file through a newly formed channel in a different protocol format.

As such, when data according to at least two protocol formats are received, the mobile terminal 100 according to an embodiment of the present invention may convert data received in another protocol format according to one protocol format. Accordingly, the mobile terminal 100 according to an embodiment of the present invention can integrate the received data in a format according to any one protocol. Therefore, the mobile terminal 100 according to an embodiment of the present invention can store and reproduce data received using a plurality of different protocols as if the data were received using one protocol.

Therefore, the mobile terminal 100 according to an embodiment of the present invention may be connected to a network from external servers using a plurality of different protocols regardless of the type, version, or software of the system or operating system used by the mobile terminal 100. It is possible to provide a streaming service. In addition, the mobile terminal according to an embodiment of the present invention can receive the remaining data of the multimedia file regardless of which protocol the external servers use, so that it is possible to receive the necessary data more quickly and stably, and thus a more stable network. Streaming service can be provided.

Meanwhile, the plurality of protocols may be TCP or UDP, and in this case, the

external servers

110 and 120 may be servers transmitting data through any one of TCP or UDP. In this case, the first format data and the second format data may be data received according to TCP or UDP. The mobile terminal 100 may receive data using TCP or UDP and convert the received data into a format according to TCP or UDP.

Accordingly, the mobile terminal 100, when the protocol determined by the type or version of the system or operating system or software used is TCP (that is, when providing a streaming service using the data received in the format according to TCP) Using UDP, the format of the received data can be converted to the format according to TCP. Therefore, the mobile terminal 100 may allow data received using UDP to be used for providing a streaming service in a system, an operating system, or software using TCP.

Alternatively, on the contrary, if the protocol determined by the type or version of the system or the operating system or software used is UDP (that is, when the streaming service is provided using data received in a UDP-compliant format), the mobile terminal 100 ) May convert data received using TCP into a format according to UDP. Accordingly, the mobile terminal 100 may provide a streaming service for data received using TCP in a system, operating system, or software using UDP. It can also be used to

The mobile terminal 100 may include a wireless communication unit 210, a user input unit 240, an output unit 250, a memory 220, a control unit 200, a power supply unit 230, and the like. The components shown in FIG. 2 are not essential, so that a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 210 may include one or more modules that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a network in which the mobile terminal 100 is located. For example, the wireless communication unit 210 may include a mobile communication module 211, a wireless communication module 212, and the like.

The mobile communication module 211 transmits and receives a radio signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The mobile communication module 211 is configured to implement a video call mode and a voice call mode. The video call mode refers to a state of making a call while viewing the other party's video, and the voice call mode refers to a state of making a call without viewing the other party's image. In order to implement the video call mode and the voice call mode, the mobile communication module 211 is configured to transmit and receive at least one of audio and video.

The wireless communication module 212 refers to a module for wireless Internet access and may be embedded or external to the mobile terminal 100. Wireless Internet technologies may include Wireless LaN (WLaN) (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed downlink Packet Access (HSdPa), and the like. In addition, the wireless communication module 212 may be a module for short-range communication, Bluetooth, RFId (Infrared data association; Irda), Ultra Wideband (UWb), Zigbee, etc. may be used.

The user input unit 240 generates input data for the user to control the operation of the terminal. The user input unit 240 may include a key pad, a dome switch, a touch pad (constant voltage / capacitance), a jog wheel, a jog switch, and the like.

The output unit 250 is used to generate an output related to visual, auditory, or tactile senses. The output unit 250 may include a display unit 251, a sound output unit 252, and the like.

The display unit 251 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 displays a photographed and / or received image, a UI, and a GUI.

When the display unit 251 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 251 may be used in addition to an output device. Can also be used as an input device. The touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

The sound output unit 252 may output audio data received from the wireless communication unit 210 or stored in the memory 220 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output unit 252 may also output a sound signal related to a function (for example, a call signal reception sound or a message reception sound) performed in the mobile terminal 100. The sound output unit 252 may include a receiver, a speaker, a buzzer, and the like.

The memory 220 may store a program for the operation of the controller 200 and may temporarily store input / output data (for example, a phone book, a message, a still image, a video, etc.). The memory 220 may store data relating to various patterns of vibration and sound output when a touch input on the touch screen is performed.

In addition, the memory 220 may store at least a part of the multimedia file for providing a network streaming service for at least one multimedia file stored in a plurality of external servers according to an embodiment of the present invention.

The memory 220 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, an Sd or Xd memory), At least one of random access memory (RAM), static random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), It may include a storage medium of the type. In addition, the mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 220 on the Internet.

The controller 200 typically controls the overall operation of the mobile terminal. For example, perform related control and processing for voice calls, data communications, video calls, and the like.

The controller 200 generates a file list by reading information on multimedia files, which are partially stored, from the memory 220, based on a user's selection. If a specific multimedia file is selected according to the user's selection, the controller 200 may play the selected multimedia file. In this case, the controller 200 may first read a part of the selected multimedia file pre-stored in the memory 220 and play the multimedia file in order to play the multimedia file selected by the user. As described above with reference to FIG. 1, data related to the remaining part of the selected multimedia file may be received from at least one external server using a plurality of different protocols, and may be reproduced after a part of the reproduced multimedia file.

To this end, the controller 200 may include a multimedia module 201 for reproducing a part of the multimedia file and data received from the plurality of external servers after the reproducing part. The multimedia module 201 may be implemented in the controller 200 or may be implemented separately from the controller 200.

Meanwhile, the controller 200 may further include a converting unit 202 for converting the data related to the rest of the multimedia file in a plurality of protocol formats through the plurality of protocols into one of the protocol formats. Can be. The converter 202 may be implemented in the controller 200 or may be implemented separately from the controller 200.

In addition, the power supply unit 230 receives an external power source and an internal power source under the control of the controller 200 to supply power for operation of each component.

Hereinafter, a method of controlling a mobile terminal according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The controller 200 of the mobile terminal 100 according to an exemplary embodiment of the present disclosure may read information about multimedia files in which a part of data is pre-stored from the memory 220 when a user selects it. In addition, the controller 200 may be connected to at least one external server through a plurality of preset protocols and receive information on multimedia files stored in the external server. The controller 200 may generate a multimedia file list by using information read from the memory 220 and information on multimedia files received from the at least one external server. The controller 200 may display the generated multimedia file list on the display unit 251 (S300).

Accordingly, the multimedia file list may include information on multimedia files that can be reproduced through a network streaming service as well as multimedia files in which some data is previously stored as described above. A method of generating and displaying such a list of multimedia files will be described in more detail with reference to FIG. 4 below.

Meanwhile, when the multimedia file list is displayed, the controller 200 determines whether any one of the information included in the multimedia file list is selected by the user. If there is a user's selection, first, it is determined whether data of a multimedia file corresponding to the user's selection is stored in the memory 220. The controller 200 determines whether all data of the multimedia file is stored in the memory 220 (S302).

The controller 200 may determine whether to receive data from at least one external server according to the determination result of step S302. For example, if the determination result of step S302 indicates that all data of the multimedia file selected by the user is already stored in the memory 220, the controller 200 may directly access the stored multimedia file without receiving other data. Can be reproduced (S316).

However, if all the data of the multimedia file selected by the user is not stored, or if the data of the multimedia file selected by the user is not stored at all, the control unit 200 at least one external server Through the user can choose to receive the data of the selected multimedia file.

When the controller 200 determines that all data of the multimedia file corresponding to the user's selection is not stored in the memory 220, the controller 200 pre-stores the data of the multimedia file in the memory 220. It can be checked whether or not (S304). If a part of the multimedia file selected by the user is pre-stored in the memory 220 as a result of checking in step S304, the controller 200 may first play the pre-stored part of the data (S306).

The controller 200 may generate at least one external server (first server) 110 and a first channel 112 through any one of a plurality of protocols (for example, a first protocol). In operation S308, the remaining data of the multimedia file may be received from the first server 110 connected through the first channel 112. Here, the protocol for generating the first channel may be a protocol that the mobile terminal 100 basically uses by a system, an operating system, or software of the mobile terminal 100. That is, for example, when the mobile terminal 100 uses Hyper TexT Protocol (HTTP), File Transfer Protocol (FTP), Telnet, or the like, TCP used for the HTTP, FTP, Telnet may be the first protocol. . However, when the mobile terminal 100 uses an address resolution protocol (ARP), a domain name server (DNS), a real-time transport protocol (RTP), or the like, UDP may be the first protocol.

However, if there is no pre-stored data in step S304, the control unit 200 may proceed directly to step S308 in step S304.

Meanwhile, the controller 200 may determine whether a channel can be formed according to another protocol while receiving multimedia data through the first channel in step S308. For example, the controller 200 may determine whether channel formation is possible according to a protocol having the highest predetermined priority among other protocols except the first protocol.

When the controller 200 is able to connect with at least one external server (second server: 120) using another protocol (for example, the second protocol) in addition to the protocol in which the current channel is formed, the controller 200 selects the second protocol. It is possible to check the data reception state of the channel (second channel: 122) formed through. When the data reception state of the second channel 122 is better than the data reception state of the first channel 112, the controller 200 may substitute the second channel 122 instead of the first channel 112. In operation S310, the multimedia data may be received from the second server 120.

In this case, the controller 200 may receive test data or data of a multimedia file in order to check the data reception state. The controller 200 may determine the reception state of the data based on a speed at which the test data or the data of the multimedia file is received from the second server 120 or a loss rate of the data.

The controller 200 may receive the remaining data of the multimedia file through the second channel 122 based on the reception state of the data. That is, the controller 200 may continue to receive the remaining data through the second channel 122 when the data reception state of the second channel 122 is good over a preset level. However, as a result of determining the reception state of the data, if the reception state of the data does not reach a preset level, the controller 200 switches back to the first channel 112 and transfers the remaining data from the first server 110. May be received.

Meanwhile, as in step S312, when data is received through a plurality of channels, the mobile terminal 100 may receive data of different formats. That is, for example, data according to the first protocol format may be received in the first channel 112, and data according to the second protocol format may be received in the second channel 122. In this case, the control unit 200 of the mobile terminal 100 according to an embodiment of the present invention, through the conversion unit 202, according to any one of the first protocol format or the second protocol format, another protocol format You can convert the format of the received data.

For example, when the mobile terminal 100 uses HTTP, FTP, Telnet, etc., the conversion unit 202 may convert the format of data received in another protocol format according to the format of TCP. Alternatively, when the mobile terminal 100 uses RTP, ARP, DNS, or the like, the conversion unit 202 may convert the format of data received in another protocol format according to the format of UDP.

In addition, the controller 200 integrates the received data having one format with some data previously stored in the memory 220 (S312). Accordingly, the controller 200 may integrate data received separately from the plurality of channels and some data previously stored in the memory 220 into one multimedia file. In addition, the controller 200 may continuously play the multimedia file selected by the user by using the integrated data. Accordingly, the mobile terminal 100 according to an embodiment of the present invention, after the data previously stored in the memory 220, the data received through a plurality of channels formed according to at least one or more protocols, network streaming service method It can be played in real time according to (S314).

4 illustrates a process of generating and displaying a list of multimedia files according to a preset condition of a mobile terminal in a mobile terminal according to an exemplary embodiment of the present invention.

As described above, the multimedia list file may include not only multimedia files, some of which are stored in advance, but also information on multimedia files stored in an external server. However, even if the multimedia file is stored in the external server, it is a matter of course that a predetermined amount of data may be stored in advance based on a condition set by the user.

For example, the controller 200 may search the external server for multimedia content corresponding to a condition preset by a user. Here, the preset condition may be a category preferred by the user or may be related to an evaluation score of another user. For example, the preset condition may be “movie”, and a detailed category such as SF, action, drama, etc. may be further set among the categories. In addition, additional conditions, such as "a user's evaluation score of 7 or more" may be further connected.

In this case, the controller 200 may access the external server at a predetermined cycle and search for multimedia content corresponding to the preset condition. That is, the controller 200 may search for multimedia content such as a preview of the “movie” corresponding to the condition. The controller 200 may receive a part of the multimedia file related to the searched multimedia content from the external server (S402). The controller 200 may store the received partial data corresponding to the multimedia file (S404).

In this case, the controller 200 may generate a multimedia file list including information on the multimedia file related to the searched multimedia content. The controller 200 may display the list of generated multimedia files on the display unit 251 of the mobile terminal 100. When the user selects a multimedia file related to the searched multimedia content from the list of multimedia files, the data stored in the step S404 may be reproduced in step S306.

Meanwhile, in receiving and storing some data of the multimedia file related to the searched multimedia content, the controller 200 may receive and store only the minimum amount necessary to provide a network streaming service without interruption. For example, the controller 200 calculates the minimum size of data required to provide a network streaming service according to Equation 2 below, receives a portion of data of the multimedia file based on the calculated size, and stores the data in the memory 220. Can also be stored in

Equation 2

For example, if the total size of the multimedia file associated with the searched multimedia content is 3mb, the total playing time is 1 minute 40 seconds, and the speed at which data is received from an external server on average is 1mbps, the control unit 200 determines the above. Based on Equation 2, the size of data to be stored in advance may be calculated. That is, the controller 200 may calculate an estimated time (3/1, that is, 3 seconds) required to receive the data of the entire multimedia file based on the total size of the multimedia file and the speed at which the data is received on average. Based on the total playback time of the multimedia file and the total size of the multimedia file, the playback speed per second (3mb / 100sec, ie 30kbps) of the multimedia file can be obtained. The data corresponding to the size (90 kb) of the data calculated using the estimated time required (3 seconds) and the playback speed per second (30 kbps) may be received and stored in advance.

In this case, when the user selects the multimedia file, the control unit 200 may receive the remaining data from the external server while the pre-stored 90kb of data is played. The data received from the external server may be reproduced after the previously stored data. Accordingly, in the mobile terminal 100 according to an embodiment of the present invention, the user selected through the network streaming channels composed of the external server and the memory 220 of the mobile terminal 100 connected according to a plurality of protocols Multimedia files can be played seamlessly.

On the other hand, the remaining data of the multimedia file received from the at least one external server may not be received sequentially in accordance with the playback order set in each of course.

In this case, the mobile terminal 100 according to an embodiment of the present invention may wait to receive the data in the playback order and then play the data in the playback order. Alternatively, the received data may be played first. Of course.

5 is a flowchart illustrating a process of reproducing previously received data in a mobile terminal according to an embodiment of the present invention. 6 is an exemplary diagram illustrating an example in which multimedia content is reproduced according to the method illustrated in FIG. 5.

First, as described above, in step S312, data received separately from a plurality of channels and some data stored in advance may be integrated into one multimedia file. In this case, the integrated multimedia file may have a playable portion and a non-playable portion according to data received from an external server. In this case, the controller 200 displays at least one playable part of the integrated multimedia file (S500).

Figure 6 (a) shows this example.

Referring to FIG. 6A, FIG. 6A shows an example of playing the integrated multimedia file according to a network streaming method. Herein, the control unit 200 distinguishes parts that are not playable based on the received data from the currently integrated multimedia files, as shown in 600a, 600b, 600c, and 600d of FIG. Can be displayed.

In this state, the controller 200 may detect whether there is a user's touch input for playing a specific part of the playable part of the multimedia file (S502). If there is a user's touch input as a result of the determination in step S502, the controller 200 may play at least one portion of the playable multimedia file based on a point corresponding to the user's touch input (S504).

6 (b) and 6 (c) show examples of such a case.

Referring to FIGS. 6B and 6C, when the user's touch input is detected for a specific playable portion as shown in FIG. 6B, the touch input may be changed. The multimedia file can be played from the added part. Accordingly, as shown in FIG. 6C, the controller 200 may first play the part of the multimedia file corresponding to the point 610 where the user's touch is input. Accordingly, in the mobile terminal 100 according to an embodiment of the present invention, even if all the data of the multimedia file are not completely received, the user can confirm a part of the multimedia file according to at least one received data in advance. do.

Meanwhile, when a part of the multimedia file is reproduced based on the point at which the user's touch input is applied in step S504, the controller 200 determines whether the reproduction of the multimedia file is selected by the user (S506). As a result of the determination in step S506, when the termination of the reproduction of the multimedia file is not selected, the controller 200 may proceed to step S500 again to display the playable parts.

On the other hand, if it is determined that the end of the playback of the multimedia file is not selected as a result of the step S506, or if there is no user's touch input to play a specific part as a result of the determination of the step S502, the controller 200 returns to the step S500. Proceed to display the currently playable parts. Here, the reproducible parts may continue to change over time. This is because, when data is continuously received from an external server, the reproducible portions continue to increase accordingly. Accordingly, the reproducible parts displayed in step S500 may also be changed.

6 (d) shows such an example.

For example, as shown in FIG. 6D, the controller 200 may display the playable portion 620 after the 600c portion. This is an example of the case where the data received from the external server is the data following the current playable portion 600c. Accordingly, the controller 200 may display the reproducible portion 620 in the reproducible state following the reproducible portion 600c by the additionally received data. In this case, if a user applies a touch input to the playable portion 620, the controller 200 may play the multimedia file from the portion of the multimedia file corresponding to the touch input point applied to the playable portion 620. Of course.

On the other hand, if it is determined in step S506 that the end of playback of the multimedia file is selected, the controller 200 integrates and stores the data received so far into one multimedia file together with the data previously stored in the memory 220. (S508). In this case, more data may be stored in the memory 220 than some data initially stored for the multimedia file. Therefore, when the user selects the multimedia file again, there may be less data to receive from the external server. For example, in step S508, when all data of the multimedia file is stored in accordance with the integration, the controller 200 proceeds directly to step S316 in step S302, when playback of the multimedia file is selected again by a user. The multimedia file can be played immediately without the need of receiving data from an external server.

In addition, according to one embodiment disclosed herein, the above-described method may be implemented as code that can be read by a processor in a medium in which a program is recorded. Examples of processor-readable media include ROM, RaM, cd-ROM, magnetic tape, floppy disk, optical data storage, and the like, and may be implemented in the form of a carrier wave (for example, transmission over the Internet). Include.

Meanwhile, in the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention.

As such, those skilled in the art will appreciate that various modifications and variations can be made without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited thereto. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

A wireless communication unit configured to receive wireless data from a plurality of external servers connected using a plurality of different protocols;

A memory for storing some data for at least one multimedia file based on a user's selection; And,

If there is a play request for any one of the at least one multimedia file, play the pre-stored data of the multimedia file corresponding to the play request, and the remaining data of the multimedia file is requested to play while the pre-stored data is playing. And a controller configured to receive from the plurality of external servers and reproduce the data subsequent to the pre-stored data.
The method of claim 1, wherein the control unit,

According to a format according to one protocol, converting the format of the received data using another protocol, integrating the data received from the plurality of external servers into the data of the format according to any one protocol Mobile terminal.
The method of claim 1, wherein the control unit,

Receive the remaining data of the multimedia file from at least one external server using a first protocol of the plurality of protocols,

If at least one other external server is connectable via a second protocol of the plurality of protocols, the at least one other external server connectable via the second protocol is preferred to the external server connected via the first protocol. A mobile terminal for receiving the remaining data of the multimedia file.
The method of claim 3, wherein the control unit,

When it is possible to connect with at least one other external server through a second protocol of the plurality of protocols,

Receiving the remaining data of the multimedia file from at least one external server connected via any one of the first protocol and the second protocol based on a reception state of data received from the at least one other external server. Mobile terminal characterized in that.
The method of claim 3, wherein the plurality of protocols,

And a transmission control protocol (TCP) and a user datagram protocol (UDP), wherein the first protocol and the second protocol are any one of the TCP and the UDP, respectively.
The method of claim 1,

And a display unit for outputting an image signal of the multimedia file requested to be reproduced.

The control unit,

When there is a play request for the multimedia file, the display unit displays a part that can be played currently based on previously stored data of the multimedia file corresponding to the play request and a part that can be played based on data received from the plurality of external servers. Mobile terminal, characterized in that displayed on.
The method of claim 1, wherein the control unit,

Detecting at least one multimedia file from the plurality of external servers based on a preset condition;

And storing data in the memory as much as the size determined by Equation 3 below from the detected at least one multimedia file.

Equation 3
Outputting a list of at least one multimedia file having at least some data stored in the mobile terminal and at least one multimedia file that can be received and reproduced from a plurality of external servers;

If at least a part of the multimedia file selected by the user from the list of multimedia files is already stored, reproducing the previously stored portion;

Receiving data corresponding to non-stored portions of the multimedia file from the plurality of external servers connected using a plurality of different protocols;

Converting the format of the received data using a different protocol according to a format according to one protocol, integrating the data received from the plurality of external servers into a format according to the one protocol; And,

And reproducing a portion corresponding to the integrated data of the multimedia file after the previously stored portion.
The method of claim 8, wherein receiving data from the plurality of external servers comprises:

Connecting to at least one external server using a first protocol of the plurality of protocols;

Determining whether a connection is possible with at least one other external server through a second protocol of the plurality of protocols;

Determining a reception state of data received from the at least one other external server when the connection is possible with the at least one other external server; And,

An unstored portion of the multimedia file from at least one external server connected through either one of the first protocol and the second protocol based on a reception state of data received from the at least one other external server And receiving data corresponding to the multimedia file management method.
The method of claim 9, wherein the plurality of protocols,

And a transmission control protocol (TCP) and a user datagram protocol (UDP), wherein the first protocol and the second protocol are any one of the TCP and the UDP, respectively.