WO2010076450A1 - Système comprenant un serveur et un terminal munis d'interfaces graphiques communiquant via un protocole de partage d'images - Google Patents
Système comprenant un serveur et un terminal munis d'interfaces graphiques communiquant via un protocole de partage d'images Download PDFInfo
- Publication number
- WO2010076450A1 WO2010076450A1 PCT/FR2009/052380 FR2009052380W WO2010076450A1 WO 2010076450 A1 WO2010076450 A1 WO 2010076450A1 FR 2009052380 W FR2009052380 W FR 2009052380W WO 2010076450 A1 WO2010076450 A1 WO 2010076450A1
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- WO
- WIPO (PCT)
- Prior art keywords
- server
- image
- control application
- terminal
- commands
- Prior art date
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Classifications
-
- 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
- G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
- G06F9/45508—Runtime interpretation or emulation, e g. emulator loops, bytecode interpretation
- G06F9/45512—Command shells
-
- 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
- G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
Definitions
- System comprising a server and a terminal provided with graphic interfaces communicating via an image-sharing protocol
- the present invention relates to a multimedia system comprising a server and a terminal provided with graphic interfaces communicating via an image-sharing protocol, in particular for a server, of the computer type, and a terminal of the television type.
- the server generally a computer, is connected to the client terminal, for example a video decoder integrated in the television, by a network, for example in the form of HDMI ("High Definition Multimedia Interface” in English), WIFI or ethernet.
- the computer screen can then be displayed by the client terminal on a television screen according to a VNC protocol ("Virtual Network Computing").
- the server decodes what it receives from a telecommunication network, or a digital medium, before sending it to the client terminal. To decompress, the server captures its own display, encodes it and sends it over the network to the client terminal. Each image to be displayed is stored in a buffer memory, called
- “Framebuffer” the server and is generally coded in RGB ("Red Green Blue” in English) which is the most direct way to encode the images, the three planes corresponding to the three elemental colors red, green and blue.
- RGB Red Green Blue
- the image is then usually transformed into a YUV format
- the client terminal can then display the images thus transmitted.
- each of the elements of the system - server or client terminal - uses a display protocol of its own and adapted to its signal processing means.
- the present invention results from the observation that the implementation of such a system does not allow a user to simply and user-friendly control of its operation.
- the server is conventionally a computer that can offer various services, such as email consultation, browsing the Internet and, in general, any type of computer application enabled by its components (hardware in English) and its software (software in English).
- the computer-specific man-machine interface typically constituted by a keyboard and a mouse, generally does not include means for enabling its control from the client terminal including the man-machine interface. is particularly user-friendly, especially through the use of a large screen display - flat screen type
- the server's human-machine interface provides for a large display screen and a remote control
- the end user is forced to use a plurality of screens and remote controls - one for the server and one remote control. for the client terminal - which makes system control complex.
- the present invention aims to provide a system whose control is particularly easy and user-friendly. This is why the invention relates to a multimedia system comprising:
- a server equipped with an operating system managing the allocation of its resources to software applications whose activation can be determined by a control application
- a client terminal equipped with a display device and a remote control.
- the server and the terminal are respectively provided with a first graphical interface and a second graphical interface communicating via an image-sharing protocol.
- the server comprises:
- a user can implement the man-machine interface of his client terminal to control the operation of the associated server.
- the use of an image sharing protocol allows the terminal to display images from the server control application, so that the user-friendliness of the human-machine interface of the terminal - screen large dimensions and remote control - can be implemented to control this control application, and thus all the applications of the server.
- control of the entire system is simplified and made more user friendly since the user can control two elements of the system - server and terminal - from a single interface.
- the device according to the invention may also have one or more of the features below, considered individually or in any technically possible combination.
- the server means for identifying commands relating to the control application are in accordance with the RFB image-sharing protocol. In one embodiment, the server means for identifying commands are able to follow these commands so as to disable an active application, through the control application.
- the server means for identifying commands are able to follow these commands so as to activate at least one application, through the control application.
- the server means for generating an image specific to the control application are able to represent, on the one hand, active applications and, on the other hand, deactivated applications.
- the first graphical interface and the second graphical interface comprise means for coding their communication, according to an image-sharing protocol, with a data transmission protocol specific to a telecommunication network.
- the terminal comprises means for coding in signals transmitted to the server commands issued by its remote control.
- the invention also relates to a server for a multimedia system comprising an operating system managing the allocation of its resources to software applications whose activation can be determined by a control application, this server also comprising a first graphical interface intended to communicate, via an image sharing protocol, with a second graphical interface of a client terminal, characterized in that, the system being in accordance with one of the preceding embodiments, it comprises:
- the invention also relates to a client terminal intended for a multimedia system comprising a display device, a remote control and a second graphic interface communicating via an image-sharing protocol with a first graphical interface of a server, characterized in that , the server being in accordance with the invention, it comprises:
- the invention also relates to a method of controlling a multimedia system comprising: a server equipped with an operating system managing the allocation of its resources to software applications whose activation can be determined by a control application, and
- a client terminal equipped with a display device and a remote control.
- the server and the client terminal are respectively provided with a first graphical interface and a second graphical interface communicating via an image-sharing protocol. characterized in that it comprises the following steps:
- the step for the server to generate an image specific to the control application so as to transmit this image to the terminal via the graphical interfaces
- the step for the terminal to display the image specific to the application control of the server transmitted via these graphical interfaces
- FIG. 2 illustrates an image provided by a screen of a terminal according to the invention.
- a multimedia system 10 comprises at least two elements, namely: a server 12 equipped with an operating system 13 managing the allocation of server resources to software applications 14 and / or 16.
- an operating system 13 managing the allocation of server resources to software applications 14 and / or 16.
- Linux TM or Windows TM are such operating systems 13, the latter allowing to host software applications such as Internet Explorer for the consultation of Web contents or Outlook for the processing of electronic messages.
- a client terminal 24 equipped with a display device and a remote control 26.
- the display device is typically a television screen provided with a remote control.
- the server 12 and the client terminal 24 are respectively provided with a first graphical interface 20 and a second graphical interface 22 communicating via an image-sharing protocol.
- this graphical interface is the RFB protocol for "Remote Frame Buffer" in English, a remote access protocol to graphical interfaces.
- This protocol operates at the level of the image buffer and can be applied to all the systems making a windowing, that is to say a sizing of the image, including Windows and Macintosh.
- the RFB standard implemented in the implementation of the invention is the RFB3.8 standard, dated June 2007 and available on the website: http://wvvw.realvnc.com/docs/rfbproto.pdf
- the RFB protocol is a simple protocol, based on a command indicating a pixel rectangle to be inserted at a given position of the image, which increases the ease of implementation of the invention according to which the server 12 also comprises: means 20 for identifying commands relating to its control application 18 in signals transmitted by the terminal via the graphical interfaces 20 and 22 so as to follow these commands, and
- a user can take control of the applications 14 and 16 of the server 12 from the terminal 24, namely via the control application 18 controlled via the graphical interfaces 20 and 22.
- control application 18 determines, exclusively or in priority, the life cycle of the other server applications.
- control application provides access to a list of current applications - possibly to stop them, to a list of applications in stop to possibly activate them.
- the means for generating an image specific to the control application 18 are able to represent, on the one hand, active applications and, on the other hand, deactivated applications as illustrated in FIG. 2
- the client terminal 24 comprises means 20 for displaying this image 30, specific to the control application 18 of the server 20, so that its user can visually become aware of the state of activity of his server.
- the client terminal comprises means 22 for coding commands relating to the control application 18 of the server 20 in signals transmitted to this server 20 by the graphical interfaces 20 and 22.
- the present invention is capable of many variants.
- a remote control 26 of the client terminal is implemented to control the control application 18 of the server, which increases the usability of the system and the simplicity of its man-machine interface.
- the use of this remote control is not strictly necessary for the implementation of the invention.
- many variants are possible to ensure communications between the graphical interfaces.
- the Internet Protocol IP is implemented but other protocols can be used.
- the server 12 can send to the terminal 24 a message of the "Server initialization" type which gives the client:
- the "Server-pixel-format” command specifies the server's natural pixel format. This is the format used unless the terminal 24 sends a "SetPixel Format” message to specify a different format.
- Messages can then be transmitted from the terminal 24 to the server 12.
- a "SetPixel Format" command that defines the format of the pixels that the client wishes to receive from the server.
- the client does not specify a specific format, it is the natural format of the server that will be used (defined during initialization).
- Another type of command is "FramebufferUpdateRequest" which notifies the server 12 that the terminal 24 is interested in an area of the buffer specified by x-position, y-position, width (width) and height (height) coordinates. .
- KeyEvent Another command used is "KeyEvent" which corresponds to pressing a key on the keyboard.
- the value of the keys is then defined by a “keysymdef.h” configuration file implemented in the X Window TM environment considered for this realization.
- the commands transmitted by the remote control allow the control of software applications of the server, via its control application.
- some commands are common to all controlled applications, for example commands intended to in the menu showing active applications and idle applications, as shown in Figure 2.
- the "P + / P-" keys normally intended to change the program considered by the terminal, can be used to change the tab in a software application that can have a plurality of tabs such as Microsoft Internet Explorer TM.
- the " ⁇ - / ->" keys can be used for the tab and back functions or to advance / retreat a page in a software application that can display several pages such as Microsoft Internet Explorer TM.
- the "Play”, "Pause”, “Stop”, “Rewind” keys normally intended to control a video recorder associated with the terminal, may be used to control a server software application intended to reproduce multimedia contents such as Microsoft Windows Media Player TM
- the terminal and / or the server must comprise means for making a correspondence between the commands received from the remote control and a software application being scanned.
- the present invention is capable of many variants.
- other commands can obviously be associated with keys on the remote control in order to launch a virtual keyboard.
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Information Transfer Between Computers (AREA)
- User Interface Of Digital Computer (AREA)
- Digital Computer Display Output (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0923873-5A BRPI0923873A2 (pt) | 2008-12-30 | 2009-12-02 | Sistema que compreende um servidor e um terminal mundos e interfaces gráficas que se comunicam via um protocolo de divisão de imagens. |
CN200980153620.6A CN102272719B (zh) | 2008-12-30 | 2009-12-02 | 包括提供有经由图像共享协议进行通信的图形接口的终端和服务器的系统 |
EP09803803A EP2380080A1 (fr) | 2008-12-30 | 2009-12-02 | Système comprenant un serveur et un terminal munis d'interfaces graphiques communiquant via un protocole de partage d'images |
US13/142,533 US20110270915A1 (en) | 2008-12-30 | 2009-12-02 | System comprising a server and a terminal provided with graphical interfaces communicating via an image-sharing protocol |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0859116A FR2940688B1 (fr) | 2008-12-30 | 2008-12-30 | Systeme comprenant un serveur et un terminal munis d'interfaces graphiques communiquant via un protocole de partage d'images |
FR0859116 | 2008-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010076450A1 true WO2010076450A1 (fr) | 2010-07-08 |
Family
ID=40984801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2009/052380 WO2010076450A1 (fr) | 2008-12-30 | 2009-12-02 | Système comprenant un serveur et un terminal munis d'interfaces graphiques communiquant via un protocole de partage d'images |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110270915A1 (fr) |
EP (1) | EP2380080A1 (fr) |
CN (1) | CN102272719B (fr) |
BR (1) | BRPI0923873A2 (fr) |
FR (1) | FR2940688B1 (fr) |
WO (1) | WO2010076450A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8875148B2 (en) * | 2011-06-14 | 2014-10-28 | International Business Machines Corporation | Product-specific system resource allocation within a single operating system instance |
CN103294501A (zh) * | 2012-03-05 | 2013-09-11 | 联想(北京)有限公司 | 一种数据接口配置方法及电子设备 |
KR102067276B1 (ko) * | 2013-05-30 | 2020-02-11 | 삼성전자주식회사 | 어플리케이션 실행 방법 및 그 장치 |
CN103414751B (zh) * | 2013-07-16 | 2016-08-17 | 广东工业大学 | 一种pc屏幕内容分享互动控制方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050185102A1 (en) * | 2004-01-06 | 2005-08-25 | Fairhurst Jon A. | Single touch launch of remote applications over video |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US6704024B2 (en) * | 2000-08-07 | 2004-03-09 | Zframe, Inc. | Visual content browsing using rasterized representations |
GB2366689A (en) * | 2000-08-11 | 2002-03-13 | Nokia Mobile Phones Ltd | Server image display on a mobile |
US7260307B2 (en) * | 2001-12-14 | 2007-08-21 | Thomson Licensing | Method and system for generating a user interface for digital televisions |
KR20050114047A (ko) * | 2004-05-31 | 2005-12-05 | 삼성전자주식회사 | 원격지에 소재하는 다수의 클라이언트들을 지원하는 방법및 서버 |
US7430681B1 (en) * | 2005-03-30 | 2008-09-30 | Teradici Corporation | Methods and apparatus for interfacing a drawing memory with a remote display controller |
US20070056009A1 (en) * | 2005-08-23 | 2007-03-08 | Michael Spilo | System and method for viewing and controlling a personal computer using a networked television |
US20070174429A1 (en) * | 2006-01-24 | 2007-07-26 | Citrix Systems, Inc. | Methods and servers for establishing a connection between a client system and a virtual machine hosting a requested computing environment |
US8255553B2 (en) * | 2006-11-16 | 2012-08-28 | Vixs Systems Inc. | Multimedia client/server system with remote control signalling and methods for use therewith |
US9148609B2 (en) * | 2007-08-21 | 2015-09-29 | Sony Corporation | Pass through of remote commands |
US9142120B2 (en) * | 2008-12-23 | 2015-09-22 | At&T Intellectual Property I, L.P. | Remote control device signal distribution |
-
2008
- 2008-12-30 FR FR0859116A patent/FR2940688B1/fr not_active Expired - Fee Related
-
2009
- 2009-12-02 WO PCT/FR2009/052380 patent/WO2010076450A1/fr active Application Filing
- 2009-12-02 US US13/142,533 patent/US20110270915A1/en not_active Abandoned
- 2009-12-02 BR BRPI0923873-5A patent/BRPI0923873A2/pt active Search and Examination
- 2009-12-02 CN CN200980153620.6A patent/CN102272719B/zh not_active Expired - Fee Related
- 2009-12-02 EP EP09803803A patent/EP2380080A1/fr not_active Ceased
Patent Citations (1)
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US20050185102A1 (en) * | 2004-01-06 | 2005-08-25 | Fairhurst Jon A. | Single touch launch of remote applications over video |
Non-Patent Citations (2)
Title |
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RICHARDSON T ET AL: "VIRTUAL NETWORK AND COMPUTING", IEEE INTERNET COMPUTING, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 2, no. 1, 1 January 1998 (1998-01-01), pages 33 - 38, XP002367675, ISSN: 1089-7801 * |
RICHARDSON T., REALVNC LTD; LEVINE J., TAUGHANNOCK NETWORKS: "The Remote Framebuffer Protocol; draft-levine-rfb-00.txt", THE REMOTE FRAMEBUFFER PROTOCOL; DRAFT-LEVINE-RFB-00.TXT, INTERNET ENGINEERING TASK FORCE, IETF; STANDARDWORKINGDRAFT, INTERNET SOCIETY (ISOC) 4, RUE DES FALAISES CH- 1205 GENEVA, SWITZERLAND, 18 November 2008 (2008-11-18), XP015059412 * |
Also Published As
Publication number | Publication date |
---|---|
US20110270915A1 (en) | 2011-11-03 |
BRPI0923873A2 (pt) | 2015-07-28 |
CN102272719A (zh) | 2011-12-07 |
EP2380080A1 (fr) | 2011-10-26 |
CN102272719B (zh) | 2015-12-16 |
FR2940688A1 (fr) | 2010-07-02 |
FR2940688B1 (fr) | 2011-02-25 |
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