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WO2016206223A1 - 截图的方法及系统 - Google Patents

截图的方法及系统 Download PDF

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Publication number
WO2016206223A1
WO2016206223A1 PCT/CN2015/091054 CN2015091054W WO2016206223A1 WO 2016206223 A1 WO2016206223 A1 WO 2016206223A1 CN 2015091054 W CN2015091054 W CN 2015091054W WO 2016206223 A1 WO2016206223 A1 WO 2016206223A1
Authority
WO
WIPO (PCT)
Prior art keywords
controller
digital living
screenshot
terminal
network alliance
Prior art date
Application number
PCT/CN2015/091054
Other languages
English (en)
French (fr)
Inventor
周勇
Original Assignee
深圳Tcl数字技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳Tcl数字技术有限公司 filed Critical 深圳Tcl数字技术有限公司
Publication of WO2016206223A1 publication Critical patent/WO2016206223A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42225—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details characterized by types of remote control, e.g. universal remote control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL

Definitions

  • the present invention relates to the field of remote screenshot technology, and in particular, to a method and system for a screenshot.
  • DLNA Digital Living Network Alliance
  • DLNA Digital Living Network Alliance
  • DLNA devices are usually divided into digital media servers (Digital Media) Server, DMS), Digital Media Controller (DMC) and Digital Media Renderer (Digital Media) Renderer, DMR, etc.
  • TV is usually regarded as a digital media renderer because of its large screen attributes
  • terminals such as mobile phones and tablets are usually digital media controllers and digital media servers, and terminals such as mobile phones and tablets can be used on them.
  • Pictures, music and videos are pushed to the TV for playback.
  • a terminal such as a mobile phone or a tablet computer, and push it to the mobile phone for display, and the user experience is poor.
  • the main object of the present invention is to provide a method and system for screenshots, which aims to solve the technical problem of screen capture of a picture in a television through a terminal.
  • the present invention provides a method of a screenshot, the method of the screenshot comprising the following steps:
  • the terminal starts the screenshot program, displaying a device list, where the device list includes device information of a digital living network alliance controller having a screenshot function;
  • the digital living network alliance controller performs a screen capture on the current screen according to the received screenshot instruction
  • the digital living network alliance controller stores the screen captured image on its own server, and sends the corresponding address information of the picture in the server to the terminal;
  • the terminal receives the address information, acquires the picture according to the address information, and displays the picture.
  • the step of displaying the device list includes:
  • the digital living network alliance controller with the screenshot function is scanned, and the device information of the scanned digital living network alliance controller is added to the device list.
  • scanning the digital living network alliance controller with the screenshot function and adding the device information of the scanned digital living network alliance controller to the device list includes:
  • the device information including the description file is broadcasted.
  • scanning the digital living network alliance controller with the screenshot function, and adding the device information of the scanned digital living network alliance controller to the device list includes:
  • the device information is added to the device list.
  • the present invention further provides a system for taking a screenshot
  • the system of the screenshot includes a terminal and a digital living network alliance controller, wherein the terminal includes a display module, a selection module, and a receiving module, the number
  • the living network alliance controller includes a screenshot module and a sending module, wherein:
  • the display module is configured to display a device list when the terminal starts the screenshot program, where the device list includes device information of a digital living network alliance controller with a screenshot function;
  • the selecting module is configured to: when the terminal receives the selection instruction, send a screenshot instruction to the selected digital living network alliance controller according to the selection instruction;
  • the screenshot module is configured to perform a screen capture on the current screen according to the received screenshot instruction
  • the sending module is configured to store the picture obtained by the screen capture on its own server, and send the corresponding address information of the picture in the server to the terminal;
  • the receiving module is configured to receive the address information, obtain the image according to the address information, and display the image.
  • the terminal further includes a scanning module, configured to scan the digital living network alliance controller with the screenshot function after the terminal is connected to the local area network, and add the device information of the scanned digital living network alliance controller to In the list of devices.
  • a scanning module configured to scan the digital living network alliance controller with the screenshot function after the terminal is connected to the local area network, and add the device information of the scanned digital living network alliance controller to In the list of devices.
  • the digital living network alliance controller further includes a broadcast module, configured to broadcast device information including the description file after the digital living network alliance controller is connected to the local area network.
  • the scanning module comprises:
  • a searching unit configured to search for a digital living network alliance controller and obtain device information of the searched digital living network alliance controller after the terminal is connected to the local area network;
  • a checking unit configured to check a description file in the device information
  • an adding unit configured to add the device information to the device list when the description file includes screenshot function information.
  • the method and system for the screenshot of the present invention by installing a customized screenshot program on the terminal, after starting the screenshot program, the device information of the digital living network alliance controller supporting the screenshot can be displayed, and the terminal points to a certain number in the device list.
  • the life network alliance controller sends a screenshot instruction, and the digital life network alliance controller intercepts the current screen image according to the screenshot instruction and saves it locally, as a response of the terminal's screenshot instruction, the digital living network alliance controller returns the address information of the picture to the terminal.
  • the DLNA technology can realize that the terminal remotely takes a screenshot of the TV, and can share the picture after the screenshot with the terminal, thereby expanding the manner of resource sharing in the DLNA technology and improving the user experience.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for capturing a screenshot of the present invention
  • FIG. 2 is a schematic flow chart of a second embodiment of a method for capturing a screenshot of the present invention
  • FIG. 3 is a schematic flow chart of a third embodiment of a method for capturing a screenshot of the present invention.
  • step S201 in FIG. 2 is a schematic diagram of a refinement process of step S201 in FIG. 2;
  • FIG. 5 is a schematic diagram of functional modules of a first embodiment of a system for screenshots of the present invention.
  • FIG. 6 is a schematic diagram of functional modules of a second embodiment of a system for screenshots of the present invention.
  • FIG. 7 is a schematic diagram of a refinement function module of the scanning module of FIG. 6.
  • the present invention provides a method for a screenshot.
  • the method of the screenshot includes:
  • Step S101 when the terminal starts the screenshot program, displaying a device list, where the device list includes device information of a digital living network alliance controller having a screenshot function;
  • the terminal may be an intelligent terminal such as a mobile phone or a tablet computer, and the terminal supports the DLNA function.
  • the digital living network alliance controller corresponding to the device information is a digital living network alliance controller supporting the screenshot, that is, Only the device information of the digital living network alliance controller that supports the screenshot is displayed in the device list.
  • the device information is scanned by the terminal after being connected to the local area network and added to the device list. Other devices that do not support the screenshot cannot be added to the device list. in.
  • the device list may have one or more pieces of device information.
  • the digital living network alliance controller is a television set.
  • Step S102 when the terminal receives the selection instruction, sending a screenshot instruction to the selected digital living network alliance controller according to the selection instruction;
  • the user when the device information of the digital living network alliance controller with the screenshot function required by the user exists in the device list, the user operates on the terminal, and selects a digital living network alliance control in the device list.
  • the terminal receives the selection instruction and sends a screenshot instruction to the digital living network alliance controller selected by the user to make a screenshot according to the screenshot instruction.
  • Step S103 the digital living network alliance controller performs a screen capture on the current screen according to the received screenshot instruction
  • the digital living network alliance controller and the terminal are connected to the same local area network, and an operation code of the digital living network alliance controller is added to the service description file to have a screenshot function.
  • the digital life network alliance controller After receiving the screenshot instruction, the digital life network alliance controller performs a screenshot operation according to the screenshot instruction and the above operation code flow, and intercepts the picture picture on the current screen. Specifically, the terminal sends an Action “TvCapture” instruction packet to the digital living network alliance controller, and after receiving the Action “TvCapture” instruction packet, the digital living network alliance controller starts the screen capture program to take a screen shot on the current screen.
  • Step S104 The digital living network alliance controller stores the screen captured image on its own server, and sends the corresponding address information of the picture in the server to the terminal.
  • Step S105 The terminal receives the address information, and obtains the picture according to the address information and displays it.
  • the terminal parses the URL address information of the image from the response packet, and obtains the URL address information from the corresponding server.
  • the picture is displayed on the terminal. In this manner, after the terminal remotely watches the television, the picture can be shared with the terminal and the picture obtained by the screenshot is displayed on the terminal.
  • the device information of the digital living network alliance controller supporting the screenshot can be displayed, and the terminal sends a screenshot to a digital living network alliance controller in the device list.
  • the instruction, the digital life network alliance controller intercepts the current screen image according to the screenshot instruction and saves it locally, as a response of the terminal's screenshot instruction, the digital living network alliance controller returns the address information of the picture to the terminal for the terminal to view the intercepted
  • the DLNA technology can realize that the terminal remotely takes a screenshot of the TV, and can share the screenshotd picture with the terminal, thereby expanding the manner of resource sharing in the DLNA technology and improving the user experience.
  • the method includes:
  • Step S201 After the terminal is connected to the local area network, scan the digital living network alliance controller with the screenshot function, and add the device information of the scanned digital living network alliance controller to the device list.
  • the terminal can be connected to the home network local area network, and then scan the digital living network alliance controller with the screenshot function, wherein the terminal can automatically search and discover the digital living network alliance controller device with the screenshot function through the DLNA protocol. Then, the device information corresponding to the scanned digital living network alliance controller device is saved in the device list, that is, only the device information of the digital living network alliance controller device supporting the screenshot is displayed in the device list.
  • the method includes:
  • Step S202 After the digital living network alliance controller is connected to the local area network, broadcast device information including a description file.
  • the DLNA service is automatically enabled, and the device information is broadcasted to other DLNA devices in the local area network.
  • the device information includes device type information and description files, and the description is included.
  • the file adds screenshot function code information to the corresponding field.
  • screenCapture is added to the corresponding field to inform other devices that it supports screenshots.
  • the device obtains the device information of the digital living network alliance controller, the device can learn that the digital living network alliance controller is a device that supports the screenshot by using the description file in the device information.
  • the digital living network alliance controller with the screenshot function is scanned and scanned.
  • the steps of adding the device information of the digital living network alliance controller to the device list include:
  • Step S2011 after the terminal is connected to the local area network, searching for a digital living network alliance controller and acquiring device information of the searched digital living network alliance controller;
  • Step S2012 checking a description file in the device information
  • Step S2013 when the description file includes screenshot function information, the device information is added to the device list.
  • the digital living network alliance controller device is automatically searched for and found, the device information of the discovered digital living network alliance controller device is obtained, the description file in the device information is obtained, and then The description file is checked. If the description file contains the screenshot function information, for example, the "screenCapture" information is included, the digital life network controller device is considered to have a screenshot function, and the device information is added to the device list; If the screenshot function information is not included in the description file, the digital life network alliance controller device is considered to have no screenshot function and is ignored.
  • the description file contains the screenshot function information, for example, the "screenCapture" information is included, the digital life network controller device is considered to have a screenshot function, and the device information is added to the device list; If the screenshot function information is not included in the description file, the digital life network alliance controller device is considered to have no screenshot function and is ignored.
  • the present invention also provides a system for taking a screenshot.
  • the system of the screenshot includes a terminal and a digital living network alliance controller, wherein the terminal includes a display module 101, a selection module 102, and a receiving module.
  • the digital living network alliance controller includes a screenshot module 103 and a sending module 104, wherein:
  • the display module 101 is configured to display a device list when the terminal starts the screenshot program, where the device list includes device information of a digital living network alliance controller with a screenshot function;
  • the terminal may be an intelligent terminal such as a mobile phone or a tablet computer, and the terminal supports the DLNA function.
  • the digital living network alliance controller corresponding to the device information is a digital living network alliance controller supporting the screenshot, that is, Only the device information of the digital living network alliance controller that supports the screenshot is displayed in the device list.
  • the device information is scanned by the terminal after being connected to the local area network and added to the device list. Other devices that do not support the screenshot cannot be added to the device list. in.
  • the device list may have one or more pieces of device information.
  • the digital living network alliance controller is a television set.
  • the selecting module 102 is configured to: when the terminal receives the selection instruction, send a screenshot instruction to the selected digital living network alliance controller according to the selection instruction;
  • the user when the device information of the digital living network alliance controller with the screenshot function required by the user exists in the device list, the user operates on the terminal, and selects a digital living network alliance control in the device list.
  • the terminal receives the selection instruction and sends a screenshot instruction to the digital living network alliance controller selected by the user to make a screenshot according to the screenshot instruction.
  • the screenshot module 103 is configured to take a screenshot of the current screen according to the received screenshot instruction
  • the digital living network alliance controller and the terminal are connected to the same local area network, and an operation code of the digital living network alliance controller is added to the service description file to have a screenshot function.
  • the digital life network alliance controller After receiving the screenshot instruction, the digital life network alliance controller performs a screenshot operation according to the screenshot instruction and the above operation code flow, and intercepts the picture picture on the current screen. Specifically, the terminal sends an Action “TvCapture” instruction packet to the digital living network alliance controller, and after receiving the Action “TvCapture” instruction packet, the digital living network alliance controller starts the screen capture program to take a screen shot on the current screen.
  • the sending module 104 is configured to store the picture obtained by the screen capture on its own server, and send the corresponding address information of the picture in the server to the terminal.
  • the receiving module 105 is configured to receive the address information, obtain the image according to the address information, and display the image.
  • the terminal parses the URL address information of the image from the response packet, and obtains the URL address information from the corresponding server.
  • the picture is displayed on the terminal. In this manner, after the terminal remotely watches the television, the picture can be shared with the terminal and the picture obtained by the screenshot is displayed on the terminal.
  • the device information of the digital living network alliance controller supporting the screenshot can be displayed, and the terminal sends a screenshot to a digital living network alliance controller in the device list.
  • the instruction, the digital life network alliance controller intercepts the current screen image according to the screenshot instruction and saves it locally, as a response of the terminal's screenshot instruction, the digital living network alliance controller returns the address information of the picture to the terminal for the terminal to view the intercepted
  • the DLNA technology can realize that the terminal remotely takes a screenshot of the TV, and can share the screenshotd picture with the terminal, thereby expanding the manner of resource sharing in the DLNA technology and improving the user experience.
  • the terminal further includes a scanning module 201, configured to scan the number with the screenshot function after the terminal is connected to the local area network.
  • the living network alliance controller adds the device information of the scanned digital living network alliance controller to the device list.
  • the terminal can be connected to the home network local area network, and then scan the digital living network alliance controller with the screenshot function, wherein the terminal can automatically search and discover the digital living network alliance controller device with the screenshot function through the DLNA protocol. Then, the device information corresponding to the scanned digital living network alliance controller device is saved in the device list, that is, only the device information of the digital living network alliance controller device supporting the screenshot is displayed in the device list.
  • the digital living network alliance controller further includes a broadcast module 202, after the digital living network alliance controller is connected to the local area network, based on the foregoing embodiment of FIG. Broadcasts the device information that contains the description file.
  • the DLNA service is automatically enabled, and the device information is broadcasted to other DLNA devices in the local area network.
  • the device information includes device type information and description files, and the description is included.
  • the file adds screenshot function information to the corresponding field.
  • screenCapture is added to the corresponding field to inform other devices that it supports screenshots.
  • the device obtains the device information of the digital living network alliance controller, the device can learn that the digital living network alliance controller is a device that supports the screenshot by using the description file in the device information.
  • the scanning module 201 includes:
  • the searching unit 2011 is configured to search for a digital living network alliance controller and obtain device information of the searched digital living network alliance controller after the terminal is connected to the local area network;
  • the checking unit 2012 is configured to check a description file in the device information
  • the adding unit 2013 is configured to add the device information to the device list when the description file includes screenshot function information.
  • the digital living network alliance controller device is automatically searched for and found, the device information of the discovered digital living network alliance controller device is obtained, the description file in the device information is obtained, and then The description file is checked. If the description file contains the screenshot function information, for example, the "screenCapture" information is included, the digital life network controller device is considered to have a screenshot function, and the device information is added to the device list; If the screenshot function information is not included in the description file, the digital life network alliance controller device is considered to have no screenshot function and is ignored.
  • the description file contains the screenshot function information, for example, the "screenCapture" information is included, the digital life network controller device is considered to have a screenshot function, and the device information is added to the device list; If the screenshot function information is not included in the description file, the digital life network alliance controller device is considered to have no screenshot function and is ignored.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • User Interface Of Digital Computer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

本发明公开了一种截图的方法及系统，截图的方法包括以下步骤：当终端启动截图程序时，显示设备列表，设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；当终端接收到选取指令时，根据选取指令向所选取的数字生活网络联盟控制器发送截图指令；数字生活网络联盟控制器根据所接收到的截图指令对当前的屏幕画面进行截屏；数字生活网络联盟控制器将截屏得到的图片存储于自身的服务器上，并将图片在服务器中对应的地址信息发送给终端，终端接收地址信息，根据地址信息获取图片并显示。本发明能够实现终端远程对电视进行截图，并可以将截图后的图片与终端进行共享，扩展了DLNA技术中资源共享的方式。

Description

截图的方法及系统
技术领域
本发明涉及远程截图技术领域，尤其涉及一种截图的方法及系统。
背景技术
目前，很多的家电及移动终端等电子产品都是支持DLNA（Digital Living Network Alliance，数字生活网络联盟)功能的设备，利用DLNA技术，可以在某些家电及移动终端等之间推送图片、音乐或者视频等资源，达到资源共享的目的。
其中，DLNA设备通常分为数字媒体服务器（Digital Media Server，DMS）、数字媒体控制器（Digital Media Controller，DMC）及数字媒体渲染器（Digital Media Renderer，DMR）等，电视由于其大屏幕属性通常视其为数字媒体渲染器，而手机和平板电脑等终端通常为数字媒体控制器和数字媒体服务器，手机和平板电脑等终端能将其上的图片、音乐和视频推送到电视上播放。但由于现有技术的限制，无法通过手机和平板电脑等终端对电视中的画面进行截屏，将其推送至手机上进行显示，用户体验差。
上述内容仅用于辅助理解本发明的技术方案，并不代表承认上述内容是现有技术。
发明内容
本发明的主要目的在于提供一种截图的方法及系统，旨在解决通过终端对电视中的画面进行截屏的技术问题。
为实现上述目的，本发明提供一种截图的方法，所述截图的方法包括以下步骤：
当终端启动截图程序时，显示设备列表，所述设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；
当所述终端接收到选取指令时，根据所述选取指令向所选取的数字生活网络联盟控制器发送截图指令；
所述数字生活网络联盟控制器根据所接收到的截图指令对当前的屏幕画面进行截屏；
所述数字生活网络联盟控制器将截屏得到的图片存储于自身的服务器上，并将所述图片在所述服务器中对应的地址信息发送给所述终端；
所述终端接收所述地址信息，根据所述地址信息获取所述图片并显示。
优选地，所述当终端启动截图程序时，显示设备列表的步骤之前包括：
所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中。
优选地，所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中的步骤之前包括：
在所述数字生活网络联盟控制器连接到所述局域网后，广播包含描述文件的设备信息。
优选地，所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中的步骤包括：
所述终端连接到局域网后，搜索数字生活网络联盟控制器并获取所搜索到的数字生活网络联盟控制器的设备信息；
检查所述设备信息中的描述文件；
当所述描述文件包含截图功能信息时，将所述设备信息添加到所述设备列表中。
此外，为实现上述目的，本发明还提供一种截图的系统，所述截图的系统包括终端及数字生活网络联盟控制器，其中，所述终端包括显示模块、选取模块及接收模块，所述数字生活网络联盟控制器包括截图模块及发送模块，其中：
所述显示模块，用于当终端启动截图程序时，显示设备列表，所述设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；
所述选取模块，用于当所述终端接收到选取指令时，根据所述选取指令向所选取的数字生活网络联盟控制器发送截图指令；
所述截图模块，用于根据所接收到的截图指令对当前的屏幕画面进行截屏；
所述发送模块，用于将截屏得到的图片存储于自身的服务器上，并将所述图片在所述服务器中对应的地址信息发送给所述终端；
所述接收模块，用于接收所述地址信息，根据所述地址信息获取所述图片并显示。
优选地，所述终端还包括扫描模块，用于所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中。
优选地，所述数字生活网络联盟控制器还包括广播模块，用于在所述数字生活网络联盟控制器连接到所述局域网后，广播包含描述文件的设备信息。
优选地，所述扫描模块包括：
搜索单元，用于所述终端连接到局域网后，搜索数字生活网络联盟控制器并获取所搜索到的数字生活网络联盟控制器的设备信息；
检查单元，用于检查所述设备信息中的描述文件；
添加单元，用于当所述描述文件包含截图功能信息时，将所述设备信息添加到所述设备列表中。
本发明一种截图的方法及系统，通过在终端上安装定制的截图程序，在启动该截图程序后能够显示支持截图的数字生活网络联盟控制器的设备信息，终端向设备列表中的某一数字生活网络联盟控制器发送截图指令，数字生活网络联盟控制器根据截图指令截取当前的屏幕画面并保存在本地，作为终端的截图指令的回应，数字生活网络联盟控制器向终端返回图片的地址信息，以供终端查看所截取的图片，本发明基于DLNA技术可以实现终端远程对电视进行截图，并可以将截图后的图片与终端进行共享，扩展了DLNA技术中资源共享的方式，提高用户体验。
附图说明
图1为本发明截图的方法第一实施例的流程示意图；
图2为本发明截图的方法第二实施例的流程示意图；
图3为本发明截图的方法第三实施例的流程示意图；
图4为图2中步骤S201的细化流程示意图；
图5为本发明截图的系统第一实施例的功能模块示意图；
图6为本发明截图的系统第二实施例的功能模块示意图；
图7为图6中扫描模块的细化功能模块示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明提供一种截图的方法，参照图1，在一实施例中，该截图的方法包括：
步骤S101，当终端启动截图程序时，显示设备列表，所述设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；
本实施例中，终端可以是手机或平板电脑等智能终端，该终端支持DLNA功能。
在终端连接到局域网后，例如连接家庭局域网后，用户打开安装于该终端上定制的截图程序，点击该截图程序中的截图按钮时，终端弹出数字生活网络联盟控制器的设备信息构成的设备列表，该设备信息对应的数字生活网络联盟控制器均为支持截图的数字生活网络联盟控制器，即 设备列表中仅仅显示支持截图的数字生活网络联盟控制器的设备信息，设备信息由终端在连接局域网后进行扫描获取并将其添加到设备列表中，不支持截图的其他设备不能添加到该设备列表中。其中，设备列表中可以具有一项或多项设备信息，优选地，该数字生活网络联盟控制器为电视机。
步骤S102，当所述终端接收到选取指令时，根据所述选取指令向所选取的数字生活网络联盟控制器发送截图指令；
本实施例中，当设备列表中存在用户所需要的、具有截图功能的数字生活网络联盟控制器的设备信息时，通过用户在终端上进行操作，选取设备列表中的某一数字生活网络联盟控制器，终端接收选取指令并向用户所选取的数字生活网络联盟控制器发送截图指令，以使其根据该截图指令进行截图。
步骤S103，所述数字生活网络联盟控制器根据所接收到的截图指令对当前的屏幕画面进行截屏；
本实施例中，数字生活网络联盟控制器与终端连接于同一局域网中，且数字生活网络联盟控制器的服务描述文件中增加一使其具有截图功能的操作代码。
数字生活网络联盟控制器在接收到截图指令后，根据截图指令及上述的操作代码流程执行截图操作，截取自身当前屏幕上的画面图片。具体地，终端向数字生活网络联盟控制器发送Action“TvCapture”指令包，数字生活网络联盟控制器接收到Action“TvCapture”指令包后，启动截屏程序对当前屏幕上的画面进行截屏。
步骤S104，所述数字生活网络联盟控制器将截屏得到的图片存储于自身的服务器上，并将所述图片在所述服务器中对应的地址信息发送给所述终端。
本实施例中，当数字生活网络联盟控制器截屏后，启动自身的服务器（HTTP server），将截屏所得到的图片保存在该服务器的root目录下，即将图片保存于本地，然后将该图片在该服务器中对应的URL地址信息通过数据包形式返回给终端，即将URL地址信息放置到Action“TvCapture”的回应数据包中并发送给终端。
步骤S105，终端接收所述地址信息，根据所述地址信息获取所述图片并显示。
本实施例中，当终端接收到数字生活网络联盟控制器发送的Action“TvCapture”的回应包后，从该回应包中解析得到图片的URL地址信息，通过该URL地址信息从对应的服务器中获取该图片，并在终端上显示该图片，通过这种方式，本实施例在实现终端远程对电视进行截图后，可以将截图后的图片与终端进行共享，在终端上显示截图所得到的图片。
本实施例通过在终端上安装定制的截图程序，在启动该截图程序后能够显示支持截图的数字生活网络联盟控制器的设备信息，终端向设备列表中的某一数字生活网络联盟控制器发送截图指令，数字生活网络联盟控制器根据截图指令截取当前的屏幕画面并保存在本地，作为终端的截图指令的回应，数字生活网络联盟控制器向终端返回图片的地址信息，以供终端查看所截取的图片，本实施例基于DLNA技术可以实现终端远程对电视进行截图，并可以将截图后的图片与终端进行共享，扩展了DLNA技术中资源共享的方式，提高用户体验。
在一优选的实施例中，如图2所示，在上述图1的实施例的基础上，在上述步骤S101之前包括：
步骤S201，所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中。
本实施例中，终端可以连接到家庭的局域网中，然后扫描具有截图功能的数字生活网络联盟控制器，其中，终端可通过DLNA协议自动搜索并发现具有截图功能的数字生活网络联盟控制器设备，然后将扫描得到的数字生活网络联盟控制器设备对应的设备信息保存到设备列表中，即该设备列表中仅仅显示支持截图的数字生活网络联盟控制器设备的设备信息。
在一优选的实施例中，如图3所示，在上述图2的实施例的基础上，在上述步骤S201之前包括：
步骤S202，在所述数字生活网络联盟控制器连接到所述局域网后，广播包含描述文件的设备信息。
本实施例中，在数字生活网络联盟控制器连接到局域网后，自动开启DLNA服务，向该局域网中的其他DLNA设备广播设备信息，设备信息中包括设备类型信息及描述文件等信息，其中，描述文件在相应的字段中添加了截图功能代码信息。
在该描述文件中，在相应的字段中添加了“screenCapture”，以通过该字段告知其他设备其支持截图。其他设备在获取到该数字生活网络联盟控制器的设备信息时，通过设备信息中的描述文件可以获知该数字生活网络联盟控制器为支持截图的设备。
在一优选的实施例中，如图4所示，在上述图3的实施例的基础上，上述步骤S201终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中的步骤包括：
步骤S2011，所述终端连接到局域网后，搜索数字生活网络联盟控制器并获取所搜索到的数字生活网络联盟控制器的设备信息；
步骤S2012，检查所述设备信息中的描述文件；
步骤S2013，当所述描述文件包含截图功能信息时，将所述设备信息添加到所述设备列表中。
本实施例中，在终端连接到局域网后，自动搜索并发现数字生活网络联盟控制器设备，获取所发现的数字生活网络联盟控制器设备的设备信息，获取该设备信息中的描述文件，然后对描述文件进行检查，如果检查到描述文件中包含截图功能信息，例如包含“screenCapture”信息时，则认为该数字生活网络联盟控制器设备具备截图功能，将该设备信息添加到设备列表中；如果检查到描述文件中不包含截图功能信息，则认为该数字生活网络联盟控制器设备不具备截图功能，将其忽略。
本发明还提供一种截图的系统，如图5所示，在一实施例中，该截图的系统包括终端及数字生活网络联盟控制器，其中，终端包括显示模块101、选取模块102及接收模块105，数字生活网络联盟控制器包括截图模块103及发送模块104，其中：
显示模块101，用于当终端启动截图程序时，显示设备列表，所述设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；
本实施例中，终端可以是手机或平板电脑等智能终端，该终端支持DLNA功能。
在终端连接到局域网后，例如连接家庭局域网后，用户打开安装于该终端上定制的截图程序，点击该截图程序中的截图按钮时，终端弹出数字生活网络联盟控制器的设备信息构成的设备列表，该设备信息对应的数字生活网络联盟控制器均为支持截图的数字生活网络联盟控制器，即 设备列表中仅仅显示支持截图的数字生活网络联盟控制器的设备信息，设备信息由终端在连接局域网后进行扫描获取并将其添加到设备列表中，不支持截图的其他设备不能添加到该设备列表中。其中，设备列表中可以具有一项或多项设备信息，优选地，该数字生活网络联盟控制器为电视机。
选取模块102，用于当所述终端接收到选取指令时，根据所述选取指令向所选取的数字生活网络联盟控制器发送截图指令；
本实施例中，当设备列表中存在用户所需要的、具有截图功能的数字生活网络联盟控制器的设备信息时，通过用户在终端上进行操作，选取设备列表中的某一数字生活网络联盟控制器，终端接收选取指令并向用户所选取的数字生活网络联盟控制器发送截图指令，以使其根据该截图指令进行截图。
截图模块103，用于根据所接收到的截图指令对当前的屏幕画面进行截屏；
本实施例中，数字生活网络联盟控制器与终端连接于同一局域网中，且数字生活网络联盟控制器的服务描述文件中增加一使其具有截图功能的操作代码。
数字生活网络联盟控制器在接收到截图指令后，根据截图指令及上述的操作代码流程执行截图操作，截取自身当前屏幕上的画面图片。具体地，终端向数字生活网络联盟控制器发送Action“TvCapture”指令包，数字生活网络联盟控制器接收到Action“TvCapture”指令包后，启动截屏程序对当前屏幕上的画面进行截屏。
发送模块104，用于将截屏得到的图片存储于自身的服务器上，并将所述图片在所述服务器中对应的地址信息发送给所述终端。
本实施例中，当数字生活网络联盟控制器截屏后，启动自身的服务器（HTTP server），将截屏所得到的图片保存在该服务器的root目录下，即将图片保存于本地，然后将该图片在该服务器中对应的URL地址信息通过数据包形式返回给终端，即将URL地址信息放置到Action“TvCapture”的回应数据包中并发送给终端。
接收模块105，用于接收所述地址信息，根据所述地址信息获取所述图片并显示。
本实施例中，当终端接收到数字生活网络联盟控制器发送的Action“TvCapture”的回应包后，从该回应包中解析得到图片的URL地址信息，通过该URL地址信息从对应的服务器中获取该图片，并在终端上显示该图片，通过这种方式，本实施例在实现终端远程对电视进行截图后，可以将截图后的图片与终端进行共享，在终端上显示截图所得到的图片。
本实施例通过在终端上安装定制的截图程序，在启动该截图程序后能够显示支持截图的数字生活网络联盟控制器的设备信息，终端向设备列表中的某一数字生活网络联盟控制器发送截图指令，数字生活网络联盟控制器根据截图指令截取当前的屏幕画面并保存在本地，作为终端的截图指令的回应，数字生活网络联盟控制器向终端返回图片的地址信息，以供终端查看所截取的图片，本实施例基于DLNA技术可以实现终端远程对电视进行截图，并可以将截图后的图片与终端进行共享，扩展了DLNA技术中资源共享的方式，提高用户体验。
在一优选的实施例中，如图6所示，在上述图5的实施例的基础上，所述终端还包括扫描模块201，用于所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中。
本实施例中，终端可以连接到家庭的局域网中，然后扫描具有截图功能的数字生活网络联盟控制器，其中，终端可通过DLNA协议自动搜索并发现具有截图功能的数字生活网络联盟控制器设备，然后将扫描得到的数字生活网络联盟控制器设备对应的设备信息保存到设备列表中，即该设备列表中仅仅显示支持截图的数字生活网络联盟控制器设备的设备信息。
在一优选的实施例中，在上述图6的实施例的基础上，所述数字生活网络联盟控制器还包括广播模块202，用于在所述数字生活网络联盟控制器连接到所述局域网后，广播包含描述文件的设备信息。
本实施例中，在数字生活网络联盟控制器连接到局域网后，自动开启DLNA服务，向该局域网中的其他DLNA设备广播设备信息，设备信息中包括设备类型信息及描述文件等信息，其中，描述文件在相应的字段中添加了截图功能信息。
在该描述文件中，在相应的字段中添加了“screenCapture”，以通过该字段告知其他设备其支持截图。其他设备在获取到该数字生活网络联盟控制器的设备信息时，通过设备信息中的描述文件可以获知该数字生活网络联盟控制器为支持截图的设备。
在一优选的实施例中，如图7所示，在上述的实施例的基础上，所述扫描模块201包括：
搜索单元2011，用于所述终端连接到局域网后，搜索数字生活网络联盟控制器并获取所搜索到的数字生活网络联盟控制器的设备信息；
检查单元2012，用于检查所述设备信息中的描述文件；
添加单元2013，用于当所述描述文件包含截图功能信息时，将所述设备信息添加到所述设备列表中。
本实施例中，在终端连接到局域网后，自动搜索并发现数字生活网络联盟控制器设备，获取所发现的数字生活网络联盟控制器设备的设备信息，获取该设备信息中的描述文件，然后对描述文件进行检查，如果检查到描述文件中包含截图功能信息，例如包含“screenCapture”信息时，则认为该数字生活网络联盟控制器设备具备截图功能，将该设备信息添加到设备列表中；如果检查到描述文件中不包含截图功能信息，则认为该数字生活网络联盟控制器设备不具备截图功能，将其忽略。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (14)

  1. 一种截图的方法，其特征在于，所述截图的方法包括以下步骤：
    当终端启动截图程序时，显示设备列表，所述设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；
    当所述终端接收到选取指令时，根据所述选取指令向所选取的数字生活网络联盟控制器发送截图指令；
    所述数字生活网络联盟控制器根据所接收到的截图指令对当前的屏幕画面进行截屏；
    所述数字生活网络联盟控制器将截屏得到的图片存储于自身的服务器上，并将所述图片在所述服务器中对应的地址信息发送给所述终端；
    所述终端接收所述地址信息，根据所述地址信息获取所述图片并显示。
  2. 如权利要求1所述的截图的方法，其特征在于，所述当终端启动截图程序时，显示设备列表的步骤之前包括：
    所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中。
  3. 如权利要求2所述的截图的方法，其特征在于，所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中的步骤之前包括：
    在所述数字生活网络联盟控制器连接到所述局域网后，广播包含描述文件的设备信息。
  4. 如权利要求3所述的截图的方法，其特征在于，所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中的步骤包括：
    所述终端连接到局域网后，搜索数字生活网络联盟控制器并获取所搜索到的数字生活网络联盟控制器的设备信息；
    检查所述设备信息中的描述文件；
    当所述描述文件包含截图功能信息时，将所述设备信息添加到所述设备列表中；
    当所述描述文件不包含截图功能信息时，将其忽略。
  5. 如权利要求1所述的截图的方法，其特征在于，所述数字生活网络联盟控制器根据所接收到的Action“TvCapture”指令包对当前的屏幕画面进行截屏。
  6. 如权利要求1所述的截图的方法，其特征在于，所述数字生活网络联盟控制器将所述图片在所述服务器中对应的地址信息通过数据包形式发送给所述终端。
  7. 如权利要求6所述的截图的方法，其特征在于，所述数字生活网络联盟控制器将所述图片在所述服务器中对应的地址信息放置到Action“TvCapture”的回应数据包中发送给所述终端。
  8. 一种截图的系统，其特征在于，所述截图的系统包括终端及数字生活网络联盟控制器，其中，所述终端包括显示模块、选取模块及接收模块，所述数字生活网络联盟控制器包括截图模块及发送模块，其中：
    所述显示模块，用于当终端启动截图程序时，显示设备列表，所述设备列表包括具有截图功能的数字生活网络联盟控制器的设备信息；
    所述选取模块，用于当所述终端接收到选取指令时，根据所述选取指令向所选取的数字生活网络联盟控制器发送截图指令；
    所述截图模块，用于根据所接收到的截图指令对当前的屏幕画面进行截屏；
    所述发送模块，用于将截屏得到的图片存储于自身的服务器上，并将所述图片在所述服务器中对应的地址信息发送给所述终端；
    所述接收模块，用于接收所述地址信息，根据所述地址信息获取所述图片并显示。
  9. 如权利要求8所述的截图的系统，其特征在于，所述终端还包括扫描模块，用于所述终端连接到局域网后，扫描具有截图功能的数字生活网络联盟控制器，并将所扫描到的数字生活网络联盟控制器的设备信息添加到所述设备列表中。
  10. 如权利要求9所述的截图的系统，其特征在于，所述数字生活网络联盟控制器还包括广播模块，用于在所述数字生活网络联盟控制器连接到所述局域网后，广播包含描述文件的设备信息。
  11. 如权利要求10所述的截图的系统，其特征在于，所述扫描模块包括：
    搜索单元，用于所述终端连接到局域网后，搜索数字生活网络联盟控制器并获取所搜索到的数字生活网络联盟控制器的设备信息；
    检查单元，用于检查所述设备信息中的描述文件；
    添加单元，用于当所述描述文件包含截图功能信息时，将所述设备信息添加到所述设备列表中；还用于当所述描述文件不包含截图功能信息时，将其忽略。
  12. 如权利要求8所述的截图的系统，其特征在于，所述数字生活网络联盟控制器根据所接收到的Action“TvCapture”指令包对当前的屏幕画面进行截屏。
  13. 如权利要求8所述的截图的系统，其特征在于，所述数字生活网络联盟控制器将所述图片在所述服务器中对应的地址信息通过数据包形式发送给所述终端。
  14. 如权利要求13所述的截图的系统，其特征在于，所述数字生活网络联盟控制器将所述图片在所述服务器中对应的地址信息放置到Action“TvCapture”的回应数据包中发送给所述终端。
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