KR20130072626A - Jvm user interface of dlna control point for contents sharing through home network and dlna control point including the same - Google Patents

Jvm user interface of dlna control point for contents sharing through home network and dlna control point including the same Download PDF

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Publication number
KR20130072626A
KR20130072626A KR1020110140138A KR20110140138A KR20130072626A KR 20130072626 A KR20130072626 A KR 20130072626A KR 1020110140138 A KR1020110140138 A KR 1020110140138A KR 20110140138 A KR20110140138 A KR 20110140138A KR 20130072626 A KR20130072626 A KR 20130072626A
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KR
South Korea
Prior art keywords
control point
user
user interface
dlna control
media
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KR1020110140138A
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Korean (ko)
Inventor
이윤주
이석필
임태범
금승우
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전자부품연구원
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Priority to KR1020110140138A priority Critical patent/KR20130072626A/en
Publication of KR20130072626A publication Critical patent/KR20130072626A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/0482—Interaction with lists of selectable items, e.g. menus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors

Abstract

PURPOSE: JAVA-based user interface is provided to support media content sharing and distribution among devices which have different platforms and are located in a home network. CONSTITUTION: A home network comprises multiple media servers (121,122), multiple media renderers (131,132), and a DLNA control point (110). The DLNA control point is a system controller which automatically detects and searches for a media server and a media renderer. The control point executes all relevant functions and runs a program through interactions. The user interface of the DLNA control point sends a request to the media servers and the media renderers, and each device sends back a return value. The return value determines the result, and the result is shown to a user.

Description

JNA-based user interface of DLNA control point for content sharing in home network and DLNA control point including same {JVM user interface of DLNA control point for contents sharing through home network and DLNA control point including the same}

The present invention relates to a user interface of a DLNA control point for content sharing in a home network and a DLNA control point using the same, and more specifically, to a home entertainment system by implementing a JAVA-based user interface that supports sharing and distribution of media content between devices. A DLNA control point that enables intuitive and efficient control of the system.

Most existing DLNA control points that support the sharing and distribution of media content are composed of C programs, and the user interface for interacting with end-users on the control points is often implemented based on C programs.

However, there are various types of devices that support sharing and distribution of content among devices in a home network, such as a TV, a PC, a NAS, a PlayStation3, and a SmartPhone.

The DLNA control point user interface composed of existing C programs has a disadvantage in that a user interface configuration for a new frame needs to be redone to be applied to terminals of various platforms.

SUMMARY OF THE INVENTION The present invention has been made in the technical background as described above, and an object thereof is to provide a JAVA-based control point user interface that supports sharing and distribution of media content between devices in a home network.

Another object of the present invention is to provide a control point user interface and DLNA control point using the same that operate independently of the hardware, regardless of platform, and can automatically discover and search the media server and media renderer.

Another object of the present invention is to provide a DLNA control point user interface capable of efficiently controlling a home entertainment system and a DLNA control point using the same.

In order to solve the above problems, the present invention provides a DLNA control point for content sharing in a home network, a user interface that can be run regardless of platform on a Java Virtual Machine.

That is, the DLNA control point device for content sharing in a home network according to an aspect of the present invention is responsible for a request action of a DLNA control point, includes a user interface implemented on a JAVA-based virtual machine, and the user interface Is characterized in that for processing the input and output of the user to control the content stored in the media server included in the home network to which the DLNA control point belongs to play through the media renderer included in the home network.

Here, the user interface may provide an input screen for allowing a user to store his / her preference information, and may generate and display the content list by using the stored preference information.

The user interface may provide an input screen for allowing a user to input his or her ID and password, and may authenticate the user by using the input ID and password.

The user interface displays a list of all media servers and media renderers present in the home network to the user, and the media server and the media renderers list the media server with the content that the user wants to transmit. Allows you to select one device for each media renderer you want.

The user interface displays the multimedia content included in the media server selected by the user through a virtual directory classified into video, audio, and photo. When the user selects one of the virtual directories, the content included in the selected virtual directory is displayed. When the list is displayed and the user selects one of the contents list, detailed information of the selected contents may be displayed through a separate display window.

The user interface reproduces the selected content according to a user's request through a mediar renderer selected by the user, and enables the user to select another content in the content list even during the playback.

According to another aspect of the invention, there is provided a recording medium recording a user interface implemented on a JAVA-based virtual machine as described above, the DLNA control point implemented by a C program may be further recorded on the recording medium. .

 According to the present invention, the DLNA control point user interface can be implemented to run on a Java virtual machine regardless of the platform, so that the DLNA control point user interface can operate independently of the hardware base being executed. On the other hand, the control point engine can use the existing C library, which provides good compatibility and portability.

  The Java-based control point user interface allows you to control playback of content across network environments and various devices without platform limitations, and allows efficient memory management by deleting variables that are no longer referenced from memory. In addition, dynamic interface is possible by calling the recent library class in real time, and it is portable since it is system independent.

1 illustrates a configuration of a home network including a JAVA-based user interface of a DLNA control point for content sharing and a DLNA control point using the same according to an embodiment of the present invention.
2 illustrates a configuration of a DLNA control point including a JAVA-based user interface according to an embodiment of the present invention.
3 illustrates a user interface on a Java virtual machine according to an embodiment of the present invention.
4 is a screen example of a user preference window of a JAVA-based user interface according to an embodiment of the present invention.
5 is a screen example of a login window of a JAVA-based user interface according to an embodiment of the present invention.
6 is a screen example of a device list window of a JAVA-based user interface according to an embodiment of the present invention.
7 is a screen example of a content list window of a JAVA-based user interface according to an embodiment of the present invention.
8 is a screen example of a content playback window of a JAVA-based user interface according to an embodiment of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. And is intended to enable a person skilled in the art to readily understand the scope of the invention, and the invention is defined by the claims. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is noted that " comprises, " or "comprising," as used herein, means the presence or absence of one or more other components, steps, operations, and / Do not exclude the addition.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 illustrates a configuration of a home network including a JAVA-based user interface of a DLNA control point for content sharing according to an embodiment of the present invention and a DLNA control point using the same.

As shown in FIG. 1, the home network includes a plurality of media servers 121, 122, a plurality of media renderers 131, 132, and a DLNA control point 110.

 The DLNA control point 110 serves as a control device of the home entertainment system that can automatically discover and search the media servers 121 and 122 and the media renderers 131 and 132 existing in the home network. The DLNA control point 110 retrieves information on content stored in the media servers 121 and 122, obtains information of a protocol or file format supported, and the media server 121 and 122 and the media renderer 131. And 132 prepares a connection setting to control playback of the content selected by the user. In addition, the media server (121, 122) and the media renderer (131, 132) is monitored in a remote situation, and control the transmission or adjust the characteristics of the rendering in the playback process.

The DLNA control point 110 is implemented as a C program, and all functions maintain the flow of the entire program through mutual cooperation while the control point executes. In main function, it registers to UPnP with AVCtrlPointStart () function and starts thread. First of all, the AVCtrlPointStart () function performs initialization and registers with UPnP to get IP address and port number for network communication and to control the Callback function. All functions are implemented using the API provided by the libupnp SDK, and the user interface uses the functions implemented at the control point to display the result value to the end-user.

When the user interface of the DLNA control point 110 sends a request action to the media server 121, 122 and the media renderer 131, 132, each device, that is, the media server 121, 122 and the media renderer 131, 132. ) Returns the return value to the control point, and the control point identifies what the return value is. In addition, as a return value, the control point distinguishes whether it is a control action, an event action, or a discovery action and shows the result to the user through the user interface.

According to an embodiment of the present invention, the user interface responsible for the request action of the control point can be implemented on a Java virtual machine regardless of the platform so as to be independent of the hardware base to be executed.

2 illustrates a configuration of a DLNA control point including a JAVA-based user interface according to an embodiment of the present invention, and FIG. 3 illustrates a user interface on a Java virtual machine according to an embodiment of the present invention.

As shown in FIG. 2, the DLNA control point 200 according to the embodiment of the present invention is configured to have a JAVA-based user interface 220 together with the C language-based control point 210.

The Java-based user interface 220 can control playback of content in a network environment and various devices without platform limitations, and enables efficient memory management by deleting variables that are no longer referenced from memory. Also, dynamic interface is possible by calling the recent library class in real time, and there is a portability advantage because it is independent of the system.

Now, the configuration of the user interface of the DLNA control point according to the embodiment of the present invention will be described in detail.

4 is a screen example of a user preference window of a JAVA-based user interface according to an embodiment of the present invention.

The user may store his / her preference information in advance through the user interface. For example, the user interface provides a screen as shown in FIG. 4 to the user so that the user can log in by inputting a User ID 410 and a Password 420 and input user preference information 430. . The user preference information may include a preferred actor 431, a title 432, a genre 433, a date 434, and the like. If there is the stored user preference information, the multimedia content list received from the media server at the time of user login may be reproduced in the order of preference using the user preference information previously input and provided to the user.

5 is a screen example of a login window of a JAVA-based user interface according to an embodiment of the present invention.

As shown in FIG. 5, a user ID 510 and a password 520 input window are provided to a user, and user ID is checked by checking ID / Password using previously stored user information when the user logs in.

6 is a screen example of a device list window of a JAVA-based user interface according to an embodiment of the present invention.

The user interface displays a list of all media servers 621, 622, 623, 624, 625 and media renderers 631, 632 present in the same home network under the IP-based network provided by the DLNA control point. The user interface is provided with a Refresh button, and when selected, the media server and the media renderer list existing on the same network can be updated in real time. You can select one device for each media renderer you want to play.

7 is a screen example of a content list window of a JAVA-based user interface according to an embodiment of the present invention.

When the user selects a desired media server in the device list window shown in FIG. 6, the content list is displayed as a virtual directory classified as video, audio, and photo so as to search / search multimedia contents of the selected media server. Selecting a directory of the desired type from the virtual directory structure displays a list of contents. When the user mouses over the specific content 741, detailed information such as file title, file size, file location path, and file format of the selected content is displayed on the display window 750. 7 illustrates an example of selecting video content by selecting a video virtual directory.

8 is a screen example of a content playback window of a JAVA-based user interface according to an embodiment of the present invention.

The content 841 selected in the content list window is displayed in the media renderer to be played. Depending on the file format, video and audio will be played on the media player provided by the media renderer, and photos will be displayed in photo view.

In the media player and photo viewer executed in the media renderer, the user can control playback, stop, fast forward, and rewind of the contents, and control the termination of the media player and the photo viewer.

In addition, since the content list window may be displayed in the content playback window as shown in FIG. 8, other content may be selected through this, and the selected content may be executed even when the existing file is played. 8 illustrates an example of playing video content on a media player.

DLNA control point having a JAVA-based user interface according to an embodiment of the present invention as described above may be included in various devices including a smart phone that can access a home network, or may be included in a device such as a media server. The DLNA control point may be configured to be included in a device such as a media server.

Although the configuration of the present invention has been described in detail with reference to the preferred embodiments and the accompanying drawings, this is only an example, and various modifications are possible within the scope without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited by the illustrated embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

Claims (8)

DLNA Control Point device for content sharing on home network,
It is responsible for request actions of DLNA control points, and includes a user interface implemented on a JAVA-based virtual machine.
The user interface includes a DLNA control point for processing the input and output of the user to control the content stored in the media server included in the home network to which the DLNA control point belongs through the media renderer included in the home network. The method of claim 1, wherein the user interface,
Provides an input screen that allows users to save their preferences.
DLNA control point device that can generate and display the content list by using the stored preference information. The method of claim 1, wherein the user interface,
Provides an input screen for the user to enter their ID and password,
DLNA control point device for authenticating the user using the input ID and password. The method of claim 1, wherein the user interface,
Display a list of all media servers and media renderers present in the home network to the user,
DLNA control point device for allowing the user to select the media server with the content that the user wants to transmit and the media renderer that you want to play through the list of the media server and the media renderer. The method of claim 1, wherein the user interface,
The multimedia content included in the media server selected by the user is displayed through a virtual directory classified into video, audio, and photo.
When a user selects one of the virtual directories, a list of contents included in the selected virtual directory is displayed.
When the user selects one of the contents list, the DLNA control point device for displaying the detailed information of the selected content through a separate display window. The method of claim 5, wherein the user interface,
Play the selected content according to the user's request through the mediar renderer selected by the user,
DLNA control point apparatus for allowing a user to select another content in the content list even during the playback. A recording medium recording a user interface implemented on the JAVA-based virtual machine according to any one of claims 1 to 6. The method of claim 7, wherein
Recording medium that records more DLNA control points implemented in a C program.
KR1020110140138A 2011-12-22 2011-12-22 Jvm user interface of dlna control point for contents sharing through home network and dlna control point including the same KR20130072626A (en)

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