WO2018107604A1 - 多显示设备环境中控制显示内容的方法和系统及移动终端 - Google Patents

多显示设备环境中控制显示内容的方法和系统及移动终端 Download PDF

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Publication number
WO2018107604A1
WO2018107604A1 PCT/CN2017/077034 CN2017077034W WO2018107604A1 WO 2018107604 A1 WO2018107604 A1 WO 2018107604A1 CN 2017077034 W CN2017077034 W CN 2017077034W WO 2018107604 A1 WO2018107604 A1 WO 2018107604A1
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Prior art keywords
mobile terminal
orientation
display device
data
screen
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English (en)
French (fr)
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张维元
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Guangzhou Shizhen Electronics Co Ltd
Guangzhou Shiyuan Electronics Thecnology Co Ltd
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Guangzhou Shizhen Electronics Co Ltd
Guangzhou Shiyuan Electronics Thecnology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
    • 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

Definitions

  • the present invention relates to a screen transmission technology, and in particular to a method and system for controlling display content in a multi-display device environment and a mobile terminal.
  • Screening displays the content displayed on one screen to another screen, such as displaying the content displayed on the computer screen to the TV screen, or displaying the content displayed on the screen of the mobile phone to the television.
  • the screen can be realized by wired means, or the screen can be realized by wireless means.
  • the current screen transmission technology can simultaneously display the content displayed on one screen to another screen or screens, but when the mobile phone has multiple pages of content that need to be screened on multiple screens for display, the current transmission Screen technology can not meet this demand; in addition, after a display screen on the mobile phone screen is projected to one or more screens, if the display screen is desired to be fixedly displayed on the one or more screens, the content display content does not change with the mobile phone end. With the change, the current screen technology can not meet this demand.
  • the present invention provides a control display content in a multi display device environment.
  • the method includes the following steps:
  • Step S1 Device connection: select one display device as a master device among the plurality of display devices, and connect the other display devices as slave devices, the slave device and the mobile terminal to the master device;
  • Step S2 Proofreading display device orientation: the mobile terminal performs orientation proofreading on each display device by using the mobile terminal direction sensor, and saves the orientation information of the display device in association with the display device;
  • Step S3 Display screencast data: the mobile terminal determines the target display device according to the orientation information provided by the mobile terminal direction sensor, and transmits the screencast data to the target display device for display by the master device.
  • the target display device displays the projection screen data according to a projection mode, where the projection mode includes a static projection mode and a dynamic projection mode, and the static projection mode refers to a target display device display trigger.
  • the projection mode includes a static projection mode and a dynamic projection mode
  • the static projection mode refers to a target display device display trigger.
  • step S2 the orientation proofing comprises the following steps:
  • Step S21 using the mobile terminal direction sensor to perform orientation verification on the master device, and recording the orientation data provided by the mobile terminal direction sensor, and storing the mapping relationship between the orientation data and the MAC address of the master device in the display device orientation information list; After the device orientation, the mobile terminal sends an orientation confirmation command to the master device to complete the orientation proofreading of the master device;
  • Step S22 After receiving the orientation confirmation command, the master device sends a proofreading instruction to a slave device, and the slave device that receives the proofreading instruction feeds back the acknowledgement information to the master device.
  • Step S23 after receiving the receiving confirmation information fed back from the device, the master device notifies the mobile terminal to perform orientation proofreading on the slave device;
  • Step S24 using the mobile terminal direction sensor to perform orientation verification on the slave device, and recording the orientation data provided by the mobile terminal direction sensor, and storing the mapping relationship between the orientation data and the MAC address of the slave device in the display device orientation information list; After confirming the orientation of the slave device, the mobile terminal sends an orientation confirmation command to the master device to complete the orientation proofreading of the slave device; the master device receives the orientation confirmation finger of the slave device. After that, the process returns to step S22 to continue the execution until the orientation proofing of all the slave devices is completed.
  • step S3 includes the following sub-steps:
  • Step S31 Monitoring whether there is a projection indication: the mobile terminal monitors whether there is a projection indication, and if yes, the projection operation is triggered, acquiring the orientation data of the current mobile terminal orientation sensor, and continuing to step S32; if not, repeating step S31 ;
  • Step S32 determining whether the trigger is valid: detecting whether the orientation data of the current mobile terminal direction sensor matches the saved display device orientation information, and if yes, the mobile terminal points to a determined target display device, and the trigger is valid, and then proceeds to step S33. If not, the mobile terminal does not point to a certain target display device, this time the trigger is invalid, returning to step S31;
  • Step S33 selecting a screen shooting mode
  • Step S34 packaging the projection screen data: packaging the projection screen data according to the selected projection mode;
  • Step S35 transmitting the screencast data: the mobile terminal transmits the packaged screencast data to the master device, and then the master device forwards the packaged screencast data to the target display device;
  • Step S36 Display the projection screen data: after receiving the packaged projection screen data, the target display device displays the projection screen data according to the selected projection mode.
  • the detecting whether the matching refers to whether the current direction sensor orientation data is within an error range of the orientation data of a display device in the display device orientation information list.
  • the mobile terminal intercepts the screen displayed on the screen of the mobile terminal when the screen is triggered, and the intercepted screen is used as the projection screen data, and the mobile terminal packages the intercepted screen, the header
  • the information includes the MAC address of the target display device.
  • the mobile terminal continuously encodes and packs the current screen data, and the packet header information includes the MAC address of the target display device.
  • the present invention further provides a system for implementing the above method, the system comprising: a mobile terminal and a plurality of display devices, wherein one of the plurality of display devices is a master device, and the other display devices are slave devices.
  • the mobile terminal and all slave devices are connected to the master device.
  • the present invention also provides a mobile terminal for controlling display content in a multi-display device environment.
  • One display device of the multi-display device is a master device, and other display devices are slave devices, and the mobile terminal and all slave devices are connected to the master device.
  • the mobile terminal includes: a proofreading device orientation module and a transmitting module;
  • the proofreading device orientation module is configured to perform orientation proofreading on each display device by using a mobile terminal direction sensor, and save orientation information of all display devices associated with the display device;
  • the screen projection data sending module determines the target display device according to the orientation information provided by the mobile terminal direction sensor, and transmits the projection screen data to the target display device for display by the master device.
  • the screen projection data sending module includes a monitoring module, a determining module, a selecting module, a packaging module, and a transmitting module, where
  • the monitoring module is configured to monitor whether there is a projection indication, and if yes, the projection operation is triggered to acquire the orientation data of the mobile terminal orientation sensor; if not, the monitoring is always performed;
  • the determining module is configured to detect whether the orientation data of the mobile terminal direction sensor matches the saved display device orientation information, and if yes, the mobile terminal points to a certain target display device, and the current trigger is valid; if not, the mobile terminal Did not point to a certain target display device, this trigger is invalid, notify the monitoring module to continue listening;
  • the selection module is configured to select a screening mode
  • the packaging module is configured to package the projection screen data according to the selected screening mode
  • the transmitting module is configured to transmit the packaged screencast data to the master device to forward the packaged screencast data to the target display device by the master device.
  • the detecting whether the matching refers to whether the current direction sensor orientation data is within an error range of the orientation data of a display device in the display device orientation information list.
  • the present invention realizes distributing multiple pages of content to different display devices for display, and simultaneously supports static projection and dynamic projection.
  • FIG. 1 is a flow chart of a method for controlling display content in a multi-display device environment proposed by the present invention
  • FIG. 2 is a schematic structural diagram of a system for controlling display content in a multi-display device environment according to the present invention
  • FIG. 3 is a schematic structural diagram of a mobile terminal for controlling display content in a multi-display device environment according to the present invention.
  • the invention provides a method for controlling display content in a multi-display device environment.
  • the flow chart is as shown in FIG. 1 and includes the following steps:
  • Step S11 Device connection: select one display device as the master device among the plurality of display devices, and the other display device as the slave device, the master device can open its own wireless hotspot, and the other slave devices and the mobile terminal connect to the hotspot, thereby forming a local area network composed of a mobile terminal and a plurality of display devices, the master device may obtain a list of all slave devices, the list including a MAC address of the slave device;
  • Step S12 Proofreading display device orientation: the mobile terminal enters a proofreading device orientation mode, and in the proofreading device orientation mode, the user performs orientation proofreading on each display device according to the prompt of the proofreading device orientation interactive interface displayed on the display screen of the mobile terminal, and Making a mapping relationship between the orientation information of all the display devices and the MAC address thereof, and storing the display device orientation information list on the mobile terminal;
  • Step S121 displaying, on the orientation interface of the proofreading device of the mobile terminal, performing orientation proofreading on the master device, and the user points the head of the mobile terminal to the orientation of the master device in a correct manner, and the orientation device module of the mobile terminal obtains the direction of the mobile terminal.
  • the azimuth data provided by the sensor, and the mapping relationship between the acquired azimuth data and the MAC address of the master device is saved in the display device orientation information list.
  • azimuth indicates the azimuth
  • Step S122 the master device sends a proofreading instruction to a slave device, and the slave device receiving the proofreading instruction feeds back the receiving confirmation information to the master device, and prompts the user in a certain discoverable manner (for example, lighting the display screen of the slave device) , even the information such as “azimuth proofreading” may be displayed on the screen, and the receiving confirmation information includes the MAC address of the slave device;
  • Step S123 After receiving the receiving confirmation information fed back from the device, the master device sends the MAC address information of the slave device to the mobile terminal, and notifies the mobile terminal to perform the orientation proofreading on the slave device.
  • Step S124 the user points the mobile terminal head to the orientation of the slave device in a correct manner, and the calibration device orientation module of the mobile terminal acquires the azimuth data provided by the mobile terminal direction sensor, and obtains the azimuth data and the MAC address of the slave device.
  • the mapping relationship of the address is saved in the display device orientation information list; after confirming the slave device orientation, the mobile terminal sends an orientation confirmation command to the master device to complete the orientation proofreading of the slave device; the master device receives the orientation confirmation command of the slave device Thereafter, the process returns to step S122 to continue the execution until the orientation proofing of all the slave devices is completed.
  • Step S13 Monitor the screencasting action: the mobile terminal monitors whether the global floating button set on the orientation interface of the calibration device of the mobile terminal is clicked, and if yes, the screening operation is triggered to acquire the azimuth data of the mobile terminal direction sensor, and then proceeds to step S14. If not, repeat step S13 to monitor the screen shooting action;
  • Step S14 determining whether the trigger is valid: detecting whether the mobile terminal direction sensor azimuth data matches the locally saved display device orientation information list, and determining whether the matching refers to whether the value of the current direction sensor azimuth is locally stored in a display device orientation value. Within a certain error range; if yes, the mobile terminal points to a certain target display device, the trigger is valid, and the process proceeds to step S15; if not, the mobile terminal does not point to a certain target display device, and the trigger is invalid. Returning to step S13;
  • Step S15 Selecting a screen-casting mode: the mobile terminal enters a screen-casting selection mode, in which the user selects a screen-casting method corresponding to the screen-casting data according to the prompt of the screen-casting selection interactive interface displayed on the display screen of the mobile terminal.
  • the screen projection method includes a static projection mode and a dynamic projection mode, and the static projection mode refers to a screen displayed on the screen of the mobile terminal when the target display device displays the trigger projection, and when a new projection indication is not received.
  • the screen is always displayed;
  • the dynamic screen mode means that the screen displayed by the target display device changes as the display screen of the mobile terminal changes;
  • Step S16 Packing the screen data:
  • the mobile terminal intercepts the screen displayed on the screen of the mobile terminal when the screen is triggered, and the screen is displayed as the screen displayed on the target display device, and the screen is intercepted by the mobile terminal.
  • the packet header information includes the MAC address of the target display device.
  • the mobile terminal continuously encodes and packs the current screen data and transmits the data in the stream.
  • the header information includes the MAC address of the target display device.
  • Step S17 transmitting the projection screen data: the mobile terminal transmits the packaged projection screen data to the main device, and after receiving the packaged projection screen data, the main device performs unpacking, and determines the transmission according to the MAC address of the target display device in the packet header information.
  • the target display device transmits the projection data to the target display device to complete the transmission of the data packet;
  • Step S18 Display the projection screen data: after receiving the projection screen data, the target display device first determines whether the type of the projection mode corresponding to the projection screen data is a static projection mode or a dynamic projection mode, and then performs the projection screen data according to the projection mode. Rendering, if it is a static projection mode, directly convert the projection data into a picture for rendering; if it is a dynamic projection mode, use the android rendering control to render the interface of the projection screen data.
  • the present invention also provides a system for implementing the above method.
  • the system includes: a mobile terminal and a plurality of display devices, wherein one of the plurality of display devices serves as a master device, and the other display devices serve as slave devices.
  • the device can open its own wireless hotspot, and the other slave devices and the mobile terminal connect to the hotspot, so that the mobile terminal and the plurality of display devices form a local area network, and the master device can obtain a list of all the slave devices, and the list includes the slave device.
  • MAC address MAC address.
  • the present invention also provides a mobile terminal for controlling display content in a multi-display device environment, the mobile terminal and the multi-display device form a local area network, and one of the plurality of display devices has a display device as a master device, and other display devices serve as From the device, the master device can obtain a list of all slave devices, the list including the MAC address of the slave device.
  • the mobile terminal includes: a proofreading device orientation module 31, a listening module 32, a judging module 33, a selecting module 34, a packing module 35, and a transmitting module 36.
  • the proofreading device orientation module 31 is configured to: provide a proofreading device orientation mode after the mobile terminal completes network interconnection with the main device, and in the proofreading device orientation mode, the user displays the proofreading device orientation interaction interface according to the display screen of the mobile terminal Prompting to perform orientation proofreading on each display device, and to make a mapping relationship between the orientation information of all the display devices and the MAC address thereof, and save the display device position information list locally.
  • step S311 the orientation verification of the master device is performed on the orientation interface of the proofreading device of the mobile terminal, and the user points the head of the mobile terminal to the orientation of the master device in a correct manner, and the orientation module of the mobile terminal obtains the direction of the mobile terminal.
  • the azimuth data provided by the sensor, and the mapping relationship between the acquired azimuth data and the MAC address of the master device is stored in the display device orientation information list, where the azimuth indicates the orientation, and the value is the angle between the magnetic north pole and the Y axis when the device is horizontal.
  • Step S312 the device sends a proofreading instruction to a slave device, and the slave device receiving the proofreading instruction feeds back the receiving confirmation information to the master device, and prompts the user in a certain discoverable manner (for example, lighting the display screen of the slave device, It is even possible to display information such as "azimuth proofreading" on the screen, and the receiving confirmation information includes the MAC address of the slave device;
  • Step S313 after receiving the receiving confirmation information fed back from the device, the master device sends the MAC address information of the slave device to the mobile terminal, and notifies the mobile terminal to perform the orientation proofreading on the slave device.
  • Step S314 the user points the mobile terminal head to the orientation of the slave device in a correct manner, and the calibration device orientation module of the mobile terminal acquires the azimuth data provided by the mobile terminal direction sensor, and obtains the azimuth data and the MAC address of the slave device.
  • the mapping relationship of the address is saved in the display device orientation information list; after confirming the slave device orientation, the mobile terminal sends an orientation confirmation command to the master device to complete the orientation proofreading of the slave device; the master device receives the orientation confirmation command of the slave device Thereafter, the process returns to step S122 to continue the execution until the orientation proofing of all the slave devices is completed.
  • the monitoring module 32 is configured to: set a global floating button on the calibration device orientation interface of the mobile terminal for the user to trigger the projection operation; the monitoring module 32 monitors whether the global floating button is clicked, and if yes, the projection operation is triggered. Obtaining the azimuth data of the mobile terminal direction sensor; if not, the screen projection action is always monitored;
  • the determining module 33 is configured to: detect whether the mobile terminal direction sensor azimuth data matches the locally saved display device orientation information list, and determine whether the matching refers to whether the value of the current direction sensor azimuth is a certain local display device orientation value. Within the error range; if yes, the mobile terminal points to a certain target display device, and the trigger is valid; if not, the mobile terminal does not point to a certain target display device, the trigger is invalid, and the monitoring module continues to monitor;
  • the selection module 34 is configured to: when the determining module determines that the trigger is valid, providing a screen selection mode, wherein in the screen selection mode, the user selects a corresponding screening mode according to the prompt of the screen selection interactive interface displayed on the display screen of the mobile terminal
  • the screen shooting mode includes static screen shooting and dynamic screen shooting.
  • the static screen shooting mode refers to the screen displayed by the target display device when the screen is triggered when the screen is triggered, and the screen is always displayed when a new screen shooting instruction is not received.
  • the screen; the dynamic screen mode means that the screen displayed by the target display device changes as the display screen of the mobile terminal changes;
  • the packaging module 35 is configured to: when the static projection mode is selected, the mobile terminal intercepts a screen displayed on the screen of the mobile terminal when the screen is triggered, and the captured screen is used as a screen displayed on the target display device, and the packaging module 35 performs the captured image on the intercepted screen.
  • Packing, the header information includes the MAC address of the target display device; when dynamic screening is selected, the mobile terminal continuously encodes and packs the current screen data and transmits the packet in a stream.
  • the header information includes the MAC address of the target display device;
  • the transmitting module 36 is configured to: transmit the screencast data packaged by the packaging module 35 to the master device.
  • the main device After receiving the packaged projection data, the main device performs unpacking, determines the transmitted target display device according to the MAC address of the target display device in the packet header information, and then transmits the projection screen data to the target display device to complete the transmission of the data packet.
  • the target display device After receiving the projection data, the target display device first determines whether the type of the projection mode corresponding to the projection screen data is a static projection mode or a dynamic projection mode, and then renders the projection screen data according to the projection mode, if it is a static projection screen In the way, the screen data is directly converted into a picture for rendering; if it is a dynamic screen mode, the android rendering control is used to render the interface of the screen data.
  • the mobile terminal can be a device with an orientation proofing function such as a mobile phone or a tablet computer.

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Abstract

一种多显示设备环境中控制显示内容的方法和系统及移动终端，其中方法包括以下步骤：设备连接（S11）：在多个显示设备中选择一个显示设备作为主设备，其他显示设备作为从设备，从设备和移动终端与主设备连接；校对显示设备方位（S12）：移动终端利用移动终端方向传感器对各个显示设备进行方位校对，并与显示设备相关联地保存显示设备的方位信息；显示投屏数据（S18）：移动终端根据移动终端方向传感器提供的方位信息确定目标显示设备，并将投屏数据经主设备传送到该目标显示设备进行显示。上述方法实现了将多页内容分发给不同的显示设备进行显示，并同时支持静态投屏和动态投屏。

Description

多显示设备环境中控制显示内容的方法和系统及移动终端 技术领域
本发明涉及一种传屏技术，具体涉及一种多显示设备环境中控制显示内容的方法和系统及移动终端。
背景技术
传屏，或称投屏，顾名思义是将一个屏幕上显示的内容显示到另一个屏幕上，例如把电脑屏幕上显示的内容显示到电视机屏幕上，或者把手机屏幕上显示的内容显示到电视机屏幕上，可以通过有线的方式实现传屏，也可以通过无线的方式实现传屏。一般办公室或者家庭中都有多个显示屏幕，例如电脑屏幕、手机屏幕、电视机屏幕和pad屏幕等，这些显示设备在局域网内可以实现相互之间的无线连接，从而将一个屏幕上显示的内容显示到其他屏幕上，显示的内容包括图片、音视频等各类多媒体文件。
目前的传屏技术能够将一个屏幕上显示的内容同时显示到另外的一个或多个屏幕上，但是当手机端有多页内容需要分别投屏到多个屏幕上进行显示的时候，目前的传屏技术无法满足这一需求；另外，手机端上的一个显示画面投屏到一个或多个屏幕后，如果希望该显示画面在该一个或多个屏幕上固定显示，不随手机端显示内容的变化而发生变化，目前的传屏技术也无法满足这一需求。
发明内容
为了解决上述技术问题，本发明提供一种多显示设备环境中控制显示内容的 方法，包括以下步骤：
步骤S1、设备连接：在多个显示设备中选择一个显示设备作为主设备，其他显示设备作为从设备，从设备和移动终端与主设备连接；
步骤S2、校对显示设备方位：移动终端利用移动终端方向传感器对各个显示设备进行方位校对，并与显示设备相关联地保存显示设备的方位信息；
步骤S3、显示投屏数据：移动终端根据移动终端方向传感器提供的方位信息确定目标显示设备，并将投屏数据经主设备传送到该目标显示设备进行显示。
进一步，在步骤S3中，所述目标显示设备按照投屏方式显示所述投屏数据，所述投屏方式包括静态投屏方式和动态投屏方式，静态投屏方式是指目标显示设备显示触发投屏时移动终端屏幕显示的画面，并且在未接到新的投屏指示时，一直显示该画面；动态投屏方式是指目标显示设备显示的画面随着移动终端显示画面的变化而变化。
进一步，在步骤S2中，所述方位校对包括如下步骤：
步骤S21，利用移动终端方向传感器对主设备进行方位校对，并记录移动终端方向传感器提供的方位数据，将该方位数据与主设备的MAC地址的映射关系保存在显示设备方位信息列表中；确认主设备方位后，移动终端发送方位确认指令至主设备，完成主设备的方位校对；
步骤S22，主设备接收到方位确认指令后向一从设备发送校对指令，接收到校对指令的从设备向主设备反馈接收确认信息；
步骤S23，主设备接收到从设备反馈的接收确认信息后，通知移动终端对该从设备进行方位校对；
步骤S24，利用移动终端方向传感器对该从设备进行方位校对，并记录移动终端方向传感器提供的方位数据，将该方位数据与该从设备的MAC地址的映射关系保存在显示设备方位信息列表中；确认从设备方位后，移动终端发送方位确认指令至主设备，完成该从设备的方位校对；主设备接收到该从设备的方位确认指 令后，返回步骤S22继续执行，直到完成所有从设备的方位校对。
进一步，所述步骤S3包括以下子步骤：
步骤S31、监听是否有投屏指示：移动终端监听是否有投屏指示，如果是，则投屏操作被触发，获取当前移动终端方向传感器的方位数据，继续步骤S32；如果否，则重复步骤S31；
步骤S32、判断触发是否有效：检测当前移动终端方向传感器的方位数据与保存的显示设备方位信息是否匹配，如果是，则移动终端指向了一个确定的目标显示设备，本次触发有效，继续步骤S33；如果否，则移动终端没有指向一个确定的目标显示设备，本次触发无效，返回步骤S31；
步骤S33、选择投屏方式；
步骤S34、打包投屏数据：根据所选择的投屏方式对投屏数据打包；
步骤S35、传送投屏数据：移动终端将打包后的投屏数据传送给主设备，然后由主设备将打包的投屏数据转发给目标显示设备；
步骤S36、显示投屏数据：目标显示设备接收到打包的投屏数据后，根据所选择的投屏方式显示投屏数据。
进一步，在所述步骤S32中，所述检测是否匹配指的是当前方向传感器方位数据是否位于显示设备方位信息列表中某个显示设备的方位数据的误差范围内。
进一步，在所述步骤S3中，选择静态投屏方式时，移动终端截取触发投屏时移动终端屏幕显示的画面，该截取的画面作为投屏数据，移动终端对该截取的画面进行打包，包头信息中包含目标显示设备的MAC地址；选择动态投屏方式时，移动终端不断将当前的屏幕数据进行编码打包，包头信息中包含目标显示设备的MAC地址。
本发明还提供一种用于实现上述方法的系统，该系统包括：移动终端和多个显示设备，其中，该多个显示设备中有一个显示设备为主设备，其他显示设备即为从设备，移动终端和所有从设备都与主设备连接。
本发明还提供一种多显示设备环境中控制显示内容的移动终端，该多显示设备中的一个显示设备为主设备，其他显示设备作为从设备，移动终端和所有从设备都与主设备连接，其中，该移动终端包括：校对设备方位模块和传送模块；
所述校对设备方位模块用于利用移动终端方向传感器对各个显示设备进行方位校对，并与显示设备相关联的保存所有显示设备的方位信息；
所述投屏数据发送模块据移动终端方向传感器提供的方位信息确定目标显示设备，并将投屏数据经主设备传送到该目标显示设备进行显示。
进一步，所述投屏数据发送模块包括监听模块、判断模块、选择模块、打包模块和传送模块，其中，
所述监听模块用于监听是否有投屏指示，如果是，则投屏操作被触发，获取移动终端方向传感器的方位数据；如果否，则一直监听；
所述判断模块用于检测移动终端方向传感器的方位数据与保存的显示设备方位信息是否匹配，如果是，则移动终端指向了一个确定的目标显示设备，本次触发有效；如果否，则移动终端没有指向一个确定的目标显示设备，本次触发无效，通知监听模块继续监听；
所述选择模块用于选择投屏方式；
所述打包模块用于据所选择的投屏方式对投屏数据打包；
所述传送模块用于将打包后的投屏数据传送给主设备以由主设备将打包的投屏数据转发给目标显示设备。
进一步，所述检测是否匹配指的是当前方向传感器方位数据是否位于显示设备方位信息列表中某个显示设备的方位数据的误差范围内。
本发明的有益效果：
本发明相对于现有技术而言，实现了将多页内容分发给不同的显示设备进行显示，并同时支持静态投屏和动态投屏。
附图说明
图1是本发明提出的多显示设备环境中控制显示内容的方法的流程图；
图2是本发明提出的多显示设备环境中控制显示内容的系统的结构示意图；
图3是本发明提出的多显示设备环境中控制显示内容的移动终端的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本发明进一步详细说明。但本领域技术人员知晓，本发明并不局限于附图和以下实施例。
本发明提出的一种在多显示设备环境中控制显示内容的方法，其流程图如图1所示，包括以下步骤：
步骤S11、设备连接：在多个显示设备中选择一个显示设备作为主设备，其他显示设备作为从设备，主设备可以打开自身的无线热点，其他从设备和移动终端连接上此热点，从而组建由移动终端和多个显示设备组成的局域网，主设备可以获得所有从设备的列表，所述列表包括从设备的MAC地址；
步骤S12、校对显示设备方位：移动终端进入校对设备方位模式，在该校对设备方位模式中，用户按照移动终端的显示屏幕显示的校对设备方位交互界面的提示，对各个显示设备进行方位校对，并将所有显示设备的方位信息及其MAC地址的映射关系制作成显示设备方位信息列表保存在移动终端上；
所述方位校对的操作过程如下：
步骤S121，在移动终端的校对设备方位交互界面上显示对主设备进行方位校对，用户将移动终端头部以正对的方式指向主设备所在的方位，移动终端的校对设备方位模块获取移动终端方向传感器提供的azimuth数据，并将获取的azimuth数据与主设备的MAC地址的映射关系保存在显示设备方位信息列表中， 这里的azimuth表示方位，值为设备水平时磁北极和Y轴的夹角，范围为0°至360°，0°＝北，90°＝东，180°＝南，270°＝西；确认主设备方位后，移动终端发送方位确认指令至主设备，完成主设备的方位校对；
步骤S122，主设备向一从设备发送校对指令，接收到该校对指令的从设备向主设备反馈接收确认信息，并以某种可被发现的方式提示用户(例如点亮该从设备的显示屏幕，甚至可以在屏幕上显示“方位校对”等信息)，该接收确认信息中包括从设备的MAC地址；
步骤S123，主设备接收到从设备反馈的接收确认信息后，将该从设备的MAC地址信息发送给移动终端，并通知移动终端对该从设备进行方位校对；
步骤S124，用户将移动终端头部以正对的方式指向该从设备所在的方位，移动终端的校对设备方位模块获取移动终端方向传感器提供的azimuth数据，并将获取的azimuth数据与从设备的MAC地址的映射关系保存在显示设备方位信息列表中；确认该从设备方位后，移动终端发送方位确认指令至主设备，完成对该从设备的方位校对；主设备接收到该从设备的方位确认指令后，返回步骤S122继续执行，直到完成所有从设备的方位校对。
步骤S13、监听投屏动作：移动终端监听移动终端的校对设备方位交互界面上设置的全局悬浮按钮是否被点击，如果是，则投屏操作被触发，获取移动终端方向传感器azimuth数据，继续步骤S14；如果否，则重复步骤S13，一直监听投屏动作；
步骤S14、判断触发是否有效：检测移动终端方向传感器azimuth数据与本地保存的显示设备方位信息列表是否匹配，判断是否匹配指的是当前方向传感器azimuth的值是否在本地保存的某个显示设备方位值的一定误差范围内；如果是，则移动终端指向了一个确定的目标显示设备，本次触发有效，继续步骤S15；如果否，则移动终端没有指向一个确定的目标显示设备，本次触发无效，返回步骤S13；
步骤S15、选择投屏方式：移动终端进入投屏选择模式，在该投屏选择模式中，用户按照移动终端的显示屏幕显示的投屏选择交互界面的提示，选择投屏数据对应的投屏方式，投屏其中投屏方式包括静态投屏方式和动态投屏方式，静态投屏方式是指目标显示设备显示触发投屏时移动终端屏幕显示的画面，并且在未接到新的投屏指示时，一直显示该画面；动态投屏方式是指目标显示设备显示的画面随着移动终端显示画面的变化而变化；
步骤S16、打包投屏数据：选择静态投屏方式时，移动终端截取触发投屏时移动终端屏幕显示的画面，该截取的画面作为在目标显示设备中显示的画面，移动终端对该截取的画面进行打包，包头信息中包含目标显示设备的MAC地址；选择动态投屏时，移动终端不断将当前的屏幕数据进行编码打包并以流的方式传送，包头信息中包含目标显示设备的MAC地址；
步骤S17、传送投屏数据：移动终端将打包后的投屏数据传送至主设备，主设备接收到打包的投屏数据后，进行拆包，根据包头信息中的目标显示设备的MAC地址确定传送的目标显示设备，再将投屏数据传送给目标显示设备，完成一次数据包的传送；
步骤S18、显示投屏数据：目标显示设备接收到投屏数据后首先判断投屏数据对应的投屏方式的类型是静态投屏方式还是动态投屏方式，然后根据投屏方式对投屏数据进行渲染，如果是静态投屏方式，则直接将投屏数据转换成图片进行渲染；如果是动态投屏方式，则使用android的渲染控件对投屏数据进行界面的渲染绘制。
本发明还提出了一种实现上述方法的系统，如图2所示，该系统包括：移动终端和多个显示设备，该多个显示设备中有一个显示设备作为主设备，其他显示设备作为从设备，主设备可以打开自身的无线热点，其他从设备和移动终端连接上此热点，从而移动终端和多个显示设备组成局域网，主设备可以获得所有从设备的列表，所述列表包括从设备的MAC地址。
本发明还提出了一种在多显示设备环境中控制显示内容的移动终端，该移动终端与所述多显示设备组成局域网，该多个显示设备中有一个显示设备作为主设备，其他显示设备作为从设备，主设备可以获得所有从设备的列表，所述列表包括从设备的MAC地址。
其中，如图3所示，该移动终端包括：校对设备方位模块31、监听模块32、判断模块33、选择模块34、打包模块35和传送模块36。
所述校对设备方位模块31用于：在移动终端与主设备完成网络互连后提供校对设备方位模式，在该校对设备方位模式中，用户按照移动终端的显示屏幕显示的校对设备方位交互界面的提示，对各个显示设备进行方位校对，并将所有显示设备的方位信息及其MAC地址的映射关系制作成显示设备方位信息列表保存在本地。
其中，方位校对的操作过程如下：
步骤S311，在移动终端的校对设备方位交互界面上显示对主设备进行方位校对，用户将移动终端头部以正对的方式指向主设备所在的方位，移动终端的校对设备方位模块获取移动终端方向传感器提供的azimuth数据，并将获取的azimuth数据与主设备的MAC地址的映射关系保存在显示设备方位信息列表中，这里的azimuth表示方位，值为设备水平时磁北极和Y轴的夹角，范围为0°至360°，0°＝北，90°＝东，180°＝南，270°＝西；确认主设备方位后，移动终端发送方位确认指令至主设备，完成主设备的方位校对；
步骤S312，设备向一从设备发送校对指令，接收到该校对指令的从设备向主设备反馈接收确认信息，并以某种可被发现的方式提示用户(例如点亮该从设备的显示屏幕，甚至可以在屏幕上显示“方位校对”等信息)，该接收确认信息中包括从设备的MAC地址；
步骤S313，主设备接收到从设备反馈的接收确认信息后，将该从设备的MAC地址信息发送给移动终端，并通知移动终端对该从设备进行方位校对；
步骤S314，用户将移动终端头部以正对的方式指向该从设备所在的方位，移动终端的校对设备方位模块获取移动终端方向传感器提供的azimuth数据，并将获取的azimuth数据与从设备的MAC地址的映射关系保存在显示设备方位信息列表中；确认该从设备方位后，移动终端发送方位确认指令至主设备，完成对该从设备的方位校对；主设备接收到该从设备的方位确认指令后，返回步骤S122继续执行，直到完成所有从设备的方位校对。
监听模块32用于：在移动终端的校对设备方位交互界面上设置一个全局悬浮按钮，供用户触发投屏操作；监听模块32监听该全局悬浮按钮是否被点击，如果是，则投屏操作被触发，获取移动终端方向传感器azimuth数据；如果否，则一直监听投屏动作；
判断模块33用于：检测移动终端方向传感器azimuth数据与本地保存的显示设备方位信息列表是否匹配，判断是否匹配指的是当前方向传感器azimuth的值是否在本地保存的某个显示设备方位值的一定误差范围内；如果是，则移动终端指向了一个确定的目标显示设备，本次触发有效；如果否，则移动终端没有指向一个确定的目标显示设备，本次触发无效，通知监听模块继续监听；
选择模块34用于：在判断模块判断触发有效时提供投屏选择模式，在该投屏选择模式中，用户按照移动终端的显示屏幕显示的投屏选择交互界面的提示，选择对应的投屏方式，其中投屏方式包括静态投屏和动态投屏，静态投屏方式是指目标显示设备显示触发投屏时移动终端屏幕显示的画面，并且在未接到新的投屏指示时，一直显示该画面；动态投屏方式是指目标显示设备显示的画面随着移动终端显示画面的变化而变化；
打包模块35用于：选择静态投屏方式时，移动终端截取触发投屏时移动终端屏幕显示的画面，该截取的画面作为在目标显示设备中显示的画面，打包模块35对该截取的画面进行打包，包头信息中包含目标显示设备的MAC地址；选择动态投屏时，移动终端不断将当前的屏幕数据进行编码打包并以流的方式传送，包 头信息中包含目标显示设备的MAC地址；
传送模块36用于：将打包模块35打包的投屏数据传送至主设备。
主设备接收到打包的投屏数据后，进行拆包，根据包头信息中的目标显示设备的MAC地址确定传送的目标显示设备，再将投屏数据传送给目标显示设备，完成一次数据包的传送；目标显示设备接收到投屏数据后首先判断投屏数据对应的投屏方式的类型是静态投屏方式还是动态投屏方式，然后根据投屏方式对投屏数据进行渲染，如果是静态投屏方式，则直接将投屏数据转换成图片进行渲染；如果是动态投屏方式，则使用android的渲染控件对投屏数据进行界面的渲染绘制。
该移动终端可以为手机、平板电脑等具有方位校对功能的设备。
以上，对本发明的实施方式进行了说明。但是，本发明不限定于上述实施方式。凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种多显示设备环境中控制显示内容的方法，其特征在于，包括以下步骤：
    步骤S1、设备连接：在多个显示设备中选择一个显示设备作为主设备，其他显示设备作为从设备，从设备和移动终端与主设备连接；
    步骤S2、校对显示设备方位：移动终端利用移动终端方向传感器对各个显示设备进行方位校对，并与显示设备相关联地保存显示设备的方位信息；
    步骤S3、显示投屏数据：移动终端根据移动终端方向传感器提供的方位信息确定目标显示设备，并将投屏数据经主设备传送到该目标显示设备进行显示。
  2. 根据权利要求1所述的方法，其特征在于，所述步骤S3中，所述目标显示设备按照投屏方式显示所述投屏数据，所述投屏方式包括静态投屏方式和动态投屏方式，静态投屏方式是指目标显示设备显示触发投屏时移动终端屏幕显示的画面，并且在未接到新的投屏指示时，一直显示该画面；动态投屏方式是指目标显示设备显示的画面随着移动终端显示画面的变化而变化。
  3. 根据权利要求1或2所述的方法，其特征在于，在所述步骤S2中，所述方位校对包括如下步骤：
    步骤S21，利用移动终端方向传感器对主设备进行方位校对，并记录移动终端方向传感器提供的方位数据，将该方位数据与主设备的MAC地址的映射关系保存在显示设备方位信息列表中；确认主设备方位后，移动终端发送方位确认指令至主设备，完成主设备的方位校对；
    步骤S22，主设备接收到方位确认指令后向一从设备发送校对指令，接收到 校对指令的从设备向主设备反馈接收确认信息；
    步骤S23，主设备接收到从设备反馈的接收确认信息后，通知移动终端对该从设备进行方位校对；
    步骤S24，利用移动终端方向传感器对该从设备进行方位校对，并记录移动终端方向传感器提供的方位数据，将该方位数据与该从设备的MAC地址的映射关系保存在显示设备方位信息列表中；确认从设备方位后，移动终端发送方位确认指令至主设备，完成该从设备的方位校对；主设备接收到该从设备的方位确认指令后，返回步骤S22继续执行，直到完成所有从设备的方位校对。
  4. 根据权利要求1或2所述的方法，其特征在于，所述步骤S3包括以下子步骤：
    步骤S31、监听是否有投屏指示：移动终端监听是否有投屏指示，如果是，则投屏操作被触发，获取当前移动终端方向传感器的方位数据，继续步骤S32；如果否，则重复步骤S31；
    步骤S32、判断触发是否有效：检测当前移动终端方向传感器的方位数据与保存的显示设备方位信息是否匹配，如果是，则移动终端指向了一个确定的目标显示设备，本次触发有效，继续步骤S33；如果否，则移动终端没有指向一个确定的目标显示设备，本次触发无效，返回步骤S31；
    步骤S33、选择投屏方式；
    步骤S34、打包投屏数据：根据所选择的投屏方式对投屏数据打包；
    步骤S35、传送投屏数据：移动终端将打包后的投屏数据传送给主设备，然后由主设备将打包的投屏数据转发给目标显示设备；
    步骤S36、显示投屏数据：目标显示设备接收到打包的投屏数据后，根据所 选择的投屏方式显示投屏数据。
  5. 根据权利要求4所述的方法，其特征在于，在所述步骤S32中，所述检测是否匹配指的是当前方向传感器方位数据是否位于显示设备方位信息列表中某个显示设备的方位数据的误差范围内。
  6. 根据权利要求2所述的方法，其特征在于，在所述步骤S3中，选择静态投屏方式时，移动终端截取触发投屏时移动终端屏幕显示的画面，该截取的画面作为投屏数据，移动终端对该截取的画面进行打包，包头信息中包含目标显示设备的MAC地址；选择动态投屏方式时，移动终端不断将当前的屏幕数据进行编码打包，包头信息中包含目标显示设备的MAC地址。
  7. 一种用于实现如权利要求1-6中任一项所述方法的系统，其特征在于，该系统包括：移动终端和多个显示设备，其中，该多个显示设备中有一个显示设备为主设备，其他显示设备即为从设备，移动终端和所有从设备都与主设备连接。
  8. 一种多显示设备环境中控制显示内容的移动终端，其特征在于，该多显示设备中的一个显示设备为主设备，其他显示设备作为从设备，移动终端和所有从设备都与主设备连接，其中，该移动终端包括：校对设备方位模块和传送模块；
    所述校对设备方位模块用于利用移动终端方向传感器对各个显示设备进行方位校对，并与显示设备相关联的保存所有显示设备的方位信息；
    所述投屏数据发送模块据移动终端方向传感器提供的方位信息确定目标显示设备，并将投屏数据经主设备传送到该目标显示设备进行显示。
  9. 根据权利要求8所述的移动终端，其特征在于，所述投屏数据发送模块包括监听模块、判断模块、选择模块、打包模块和传送模块，其中，
    所述监听模块用于监听是否有投屏指示，如果是，则投屏操作被触发，获取 移动终端方向传感器的方位数据；如果否，则一直监听；
    所述判断模块用于检测移动终端方向传感器的方位数据与保存的显示设备方位信息是否匹配，如果是，则移动终端指向了一个确定的目标显示设备，本次触发有效；如果否，则移动终端没有指向一个确定的目标显示设备，本次触发无效，通知监听模块继续监听；
    所述选择模块用于选择投屏方式；
    所述打包模块用于据所选择的投屏方式对投屏数据打包；
    所述传送模块用于将打包后的投屏数据传送给主设备以由主设备将打包的投屏数据转发给目标显示设备。
  10. 根据权利要求9所述的移动终端，其特征在于，所述检测是否匹配指的是当前方向传感器方位数据是否位于显示设备方位信息列表中某个显示设备的方位数据的误差范围内。
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