WO2016138729A1

WO2016138729A1 - Projection content switching method and system, and projection terminal

Info

Publication number: WO2016138729A1
Application number: PCT/CN2015/085231
Authority: WO
Inventors: 石增增
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-03-02
Filing date: 2015-07-27
Publication date: 2016-09-09
Also published as: CN105988765A

Abstract

Disclosed are a projection content switching method and system, and projection terminal. The projection content switching method of the present invention comprises: when a projection terminal is playing content of a first content providing terminal, accessing a second content providing terminal, and establishing a data transmission link with the second content providing terminal; after establishing the data transmission link with the second content providing terminal, receiving a switching instruction transmitted by the first content providing terminal, and switching current projection content to content of the second content providing terminal. The projection content switching method of the present invention addresses a technical problem in a conventional approach, in which a switching efficiency of switching between projection content sources is low.

Description

Projection content switching method, system and projection terminal

Technical field

The present invention relates to the field of projection technologies, and in particular, to a projection content switching method, system, and projection terminal.

Background technique

With the advent of the Internet of Things era, everything is intelligent, and it is network-connected, facilitating interactive operation control. In business work, projectors that play an important role have gradually entered the stage of intelligent interconnection.

The traditional projectors are fixed to a position, connected to the computer through the serial data cable, often because the line is not found, or the line is frequently plugged and unplugged, causing interface failure, affecting the projection effect, and is not conducive to movement.

Many existing smart projection terminals have wireless Wifi-Direct function, and PC or other terminals can display and display through the MiraCast video transmission protocol based on Wi-Fi Direct protocol. However, when the smart projection terminal is projecting the content of a certain content providing terminal, if it is required to switch and project other content terminals, the user is required to disconnect the current content providing terminal from the smart projection terminal, and then provide the other content providing terminal. The connection with the smart terminal projection terminal finally realizes projecting the content on the other content providing terminal, that is, realizing the projection switching of the projection content source.

As can be seen, the current switching of the content source of the projection needs to be manually operated by the user, and the efficiency of switching the content source of the projection is low, thereby reducing the user experience.

Summary of the invention

The main technical problem to be solved by the present invention is to provide a projection content switching method, system and projection terminal, which can solve the technical problem of low efficiency of current projection content source switching.

To solve the above technical problem, the present invention provides a method for switching a projection content, comprising the following steps:

In the process of projecting the content of the first content providing terminal by the projection terminal, accessing the second content providing terminal, and establishing a data transmission link with the second content providing terminal;

After successfully establishing a data transmission link with the second content providing terminal, receiving a switching instruction sent by the first content providing terminal, and switching the current projected content to the content of the second content providing terminal.

Preferably, the first content terminal has a control to control the projection terminal, and the switching instruction includes: a request to switch the control right to the second content providing terminal;

After switching the current projected content to the content of the second content providing terminal, the method further includes: switching the control right to the second content providing terminal.

Preferably, the method further includes:

In the process of projecting the content of the first content providing terminal by the projection terminal, receiving a control instruction sent by the first content providing terminal, and performing corresponding control on the projection terminal according to the control instruction.

Preferably, the control instruction comprises at least one of an instruction to control the projection terminal to close the projection, an instruction to control the projection terminal to turn on the projection, and an instruction to control the projection terminal to set the projection parameter.

Preferably, the step of receiving the handover instruction sent by the first content providing terminal comprises:

Receiving, by the first content providing terminal, a switching instruction sent by a webpage provided by the projection terminal;

The step of receiving the control instruction sent by the first content providing terminal includes:

Receiving, by the first content providing terminal, a control instruction sent by a webpage provided by the projection terminal.

Also in order to solve the above technical problem, the present invention provides another method for switching a projection content, comprising the following steps:

In the process of projecting the content of the first content providing terminal by the projection terminal, the second content providing terminal accesses the projection terminal, and establishes a data transmission link with the projection terminal;

After the second content providing terminal successfully establishes a data transmission link with the projection terminal, the first content providing terminal sends a switching instruction to the projection terminal;

The projection terminal switches the current projection content to the content of the second content providing terminal.

After switching the current projected content to the content of the second content providing terminal, the method further includes: the projection terminal switching the control right to the second content providing terminal.

Preferably, the method further includes: in the process of projecting the content of the first content providing terminal by the projection terminal, the first content providing terminal sends a control instruction to the projection terminal.

Preferably, the step of the first content providing terminal sending a switching instruction to the projection terminal comprises:

Transmitting, by the first content, a switching instruction sent by the projection terminal to the projection terminal;

The step of the first content providing terminal sending a control command to the projection terminal includes:

The first content is sent to the projection terminal by a webpage sending control command provided by the projection terminal.

Also in order to solve the above technical problem, the present invention further provides a projection terminal, comprising: a first control module and a second control module;

The first control module is configured to access the second content providing terminal during the projecting of the content of the first content providing terminal by the projection terminal, and successfully establish data in the second control module and the second content providing terminal After transmitting the link, receiving a handover instruction sent by the first content providing terminal;

The second control module is configured to establish a data transmission link with the second content providing terminal; when the first control module receives the switching instruction, switch the current projection content to the second content providing terminal content.

The first control module is further configured to switch the control right to the second content providing terminal after switching the current projected content to the content of the second content providing terminal.

Preferably, the projection terminal further includes: the third control module, the third control module is configured to receive, during the projecting of the content of the first content providing terminal by the projection terminal, the first content providing terminal Controlling an instruction and performing corresponding control on the projection terminal according to the control instruction.

Also, in order to solve the above technical problem, the present invention provides a projection content switching system, comprising: a first content providing terminal, a second content providing terminal, and the projection terminal according to any one of the above.

The beneficial effects of the invention are:

The present invention provides a projection content switching method, a system, and a projection terminal, which can implement fast switching between multiple projection content sources. Preferably, the projection content switching method of the present invention includes: projecting the projection interior in the projection terminal Providing a content providing terminal, accessing the second content providing terminal, and establishing a data transmission link with the second content providing terminal; after successfully establishing a data transmission link with the second content providing terminal, receiving the The first content providing a switching instruction sent by the terminal, switching the current projected content to the content of the second content providing terminal; the switching method of the present invention can automatically switch the projected content source by switching the instruction when the projected content source needs to be switched, without Manual operations such as disconnection of the user can quickly switch the projection content source, improve the switching efficiency of the projection content source, and thus improve the user experience.

DRAWINGS

1 is a schematic flowchart of a method for switching a projection content according to Embodiment 1 of the present invention;

2 is a schematic flowchart of another method for switching a projection content according to Embodiment 1 of the present invention;

3 is a schematic flowchart of a method for switching a projection content according to Embodiment 2 of the present invention;

4 is a schematic flowchart of another method for switching a projection content according to Embodiment 2 of the present invention;

FIG. 5 is a schematic structural diagram of a projection terminal according to Embodiment 3 of the present invention; FIG.

FIG. 6 is a schematic structural diagram of another projection terminal according to Embodiment 3 of the present invention; FIG.

FIG. 7 is a schematic structural diagram of a projection content switching system according to Embodiment 3 of the present invention.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings.

Embodiment 1:

The present invention provides a method for switching a projection content, as shown in FIG. 1 , which is applied to the projection terminal side, and includes the following steps:

Step 101: In the process of projecting the content of the first content providing terminal by the projection terminal, accessing the second content providing terminal, and establishing a data transmission link with the second content providing terminal.

In this embodiment, the second content terminal can access the projection terminal through the network. For example, the general wireless projection terminal has a wifi access function, so that the second content providing terminal can be accessed through the wifi. In this embodiment, the second content terminal can also be used. The second content providing terminal is accessed through other short-range communication methods, such as Bluetooth, infrared, and the like.

In order to be able to transmit the content of the second content providing terminal to the projection terminal for projection, the embodiment further requires the projection terminal to establish a data transmission link with the second content providing terminal for transmitting the content data of the second content providing terminal to the projection terminal. . The transmission link can be based on a Wifi Direct transmission protocol or a Bluetooth protocol or the like.

The process of establishing a data transmission link between the projection terminal and the second content providing terminal in this step may include:

After the second content providing terminal accesses the projection terminal, the projection terminal notifies the second content providing terminal to initiate a data transmission link establishment request;

The second content providing terminal initiates a data transmission link establishment request to the projection terminal;

The projection terminal responds to the data transmission link setup request and returns a link establishment success message.

In this embodiment, before the projection terminal projects the content of the first content providing terminal, the projection terminal needs to access the first content providing terminal, and then establish a data transmission link with the first content providing terminal, and finally, the projection terminal passes the data transmission chain. The road receives the content data of the first content providing terminal for projection.

For the description of the access and data transmission link establishment of the first content providing terminal, reference may be made to the access and data transmission link establishment of the second content providing terminal, which are similar.

Step 102: After successfully establishing a data transmission link with the second content providing terminal, receive a switching instruction sent by the first content providing terminal, and switch the current projected content to the content of the second content providing terminal.

After successfully establishing the data transmission link with the second content providing terminal, if the switching instruction sent by the first content providing terminal is not received, the content of the first content providing terminal is projected, and if the first content providing terminal receives the sending When the instruction is switched, it is necessary to switch the projection content, project the content of the second content terminal, and realize switching of the projection content source.

The switching method of the embodiment can automatically switch the projection content source by switching instructions when the projection content source needs to be switched, without manual operation such as disconnection by the user, and can quickly switch the projection content source, thereby improving the switching efficiency of the projection content source. This improves the user experience.

In addition, by applying the handover method of the present embodiment to a system including a plurality of content providing terminals, switching of a plurality of content sources can be realized.

In this embodiment, the control of the projection terminal is controlled by the transfer of the control authority. The control right in this embodiment is the control authority for controlling the projection terminal. The control performed on the projection terminal in this embodiment may include: Open and close projection, access terminal control, setting control of projection parameters related to projection terminal, data transmission Link establishment and disconnection, projection screen switching, and projection content source switching. The content providing terminal that does not have the authority in this embodiment cannot control the projection terminal.

Preferably, the method for switching the projection content of the embodiment, as shown in FIG. 2, may include:

Step 201: In the process of projecting the content of the first content providing terminal having the control right by the projection terminal, accessing the second content providing terminal, and establishing a data transmission link with the second content providing terminal.

In this embodiment, the control authority of the first content providing terminal is allocated by the projection terminal. For example, when the first content providing terminal is the first content providing terminal that accesses the projection terminal, the projection terminal establishes data with the first content providing terminal. After the transmission link, control rights are assigned to the first content providing terminal.

After acquiring the control right, the first content providing terminal can control the projection terminal, for example, can switch the content source of the projection terminal, view and manage the content related to the projection terminal, set the projection parameters of the projection terminal, and the like.

Step 202: After successfully establishing a data transmission link with the second content providing terminal, receiving a request sent by the first content providing terminal to switch the control right to the second content providing terminal.

Preferably, the process of receiving the request sent by the first content providing terminal in this step may include: receiving, by the first content providing terminal, the switching of the control right to the second content by using a webpage provided by the projection terminal Provide a request for the terminal.

For example, a web page (Web) service module is set in the projection terminal, and after the content providing terminal accesses through the wifi and obtains the control right, the embedded web control can be accessed through the HyperText Transfer Protocol (HTTP). The page realizes the control of the projection terminal, including opening and closing the projection, access terminal control, and related setting control of the projection device. The content providing terminal accesses the web server through the HTTP protocol, and can view and manage the wireless projection terminal through a webpage. After receiving the user's instruction, the web service module transmits the projection control module in the projection terminal to implement local control of the projection terminal, for example, The condition of the projection is turned off, brightness, and other parameters. It is also possible to complete the data transmission channel establishment and disconnection, projection content switching and other projection functions through the permission control module.

Step 203: Switch the current projected content to the content of the second content providing terminal, and switch the control right to the second content providing terminal.

After receiving the request to switch the control right to the second content providing terminal, the projection terminal may transfer the control right to the second content providing terminal, and after the second content providing terminal acquires the control right, the projection terminal may be Control, for example, switching the content source of the projection terminal, if it is necessary to project the content of the other content providing terminal When the second content providing terminal that obtains the control right sends the switching instruction to implement the switching of the content source, the switching process may refer to steps 201-203.

In the method of the embodiment, before the projection content is switched, the projection terminal may further receive the control instruction sent by the first content providing terminal during the projection of the content of the first content providing terminal by the projection terminal, and according to the control instruction, The projection terminal performs corresponding control. Preferably, the method of this embodiment may receive a control instruction sent by the first content providing terminal by using a webpage provided by the projection terminal. Preferably, the web service module is provided in the projection terminal to provide a control page. After the content providing terminal accesses the web service module through the network, the web service module provides a control page to control the projection terminal.

Preferably, the control command of the embodiment controls at least one of an instruction to close the projection of the projection terminal, an instruction to control the projection terminal to open the projection, and an instruction to control the projection terminal to set the projection parameter. It should be understood that the present control control instructions are not limited to the several commands listed above, but may be other commands that are controlled by the projection terminal.

Embodiment 2:

As shown in FIG. 3, this embodiment provides a method for switching a projection content, which is applied to a content providing terminal side and a projection terminal side, and includes the following steps:

Step 301: In the process of projecting the content of the first content providing terminal by the projection terminal, the second content providing terminal accesses the projection terminal, and establishes a data transmission link with the projection terminal.

Step 302: After the second content providing terminal successfully establishes a data transmission link with the projection terminal, the first content providing terminal sends a switching instruction to the projection terminal.

Step 303: The projection terminal switches the current projection content to the content of the second content providing terminal.

Preferably, the first content terminal in the embodiment has a control right to control the projection terminal, and the switching instruction includes: a request to switch the control right to the second content providing terminal; After the content is switched to the content of the second content providing terminal, the method further includes: the projection terminal switching the control right to the second content providing terminal.

Preferably, the method of this embodiment further includes: in the process of projecting the content of the first content providing terminal by the projection terminal, the first content providing terminal sends a control instruction to the projection terminal.

The projection content switching method provided in this embodiment can implement automatic switching of the projection content source without manual switching by the user, thereby improving the switching efficiency and the user experience.

As shown in FIG. 4, the embodiment provides a projection content switching system, including a content providing terminal 1, 2, and a projection terminal, wherein the projection terminal includes a permission control module and a projection control module; and the projection content switching of the system includes three parts. : Access to the first terminal (Step 1–Step 7), second terminal access (Step 8–Step 12), and terminal control switching (Step 13–Step 17). The control data is transmitted through the control command of the HTTP protocol. The terminal with control can control the projection control module by controlling the web control terminal to realize fast and seamless switching of content of different content providers.

Step 1. After the content providing terminal 1 accesses the projection terminal, the permission control module records the current terminal information, and records the status as allowing access.

Step 2, the registration is successful and the content providing terminal 1 is notified to initiate the projection link establishment.

Step 3: The content providing terminal 1 initiates a projection transmission Wifi Direct link establishment request to the projection control module.

Step 4: The projection control module records the terminal information and returns link establishment success information.

Step 5: After receiving the establishment success information, the content providing terminal 1 notifies the permission control module that the link is successfully established, and the permission control module changes the content providing terminal status to be successfully established after receiving the link establishment success information, because the terminal 1 is the first access. The terminal, so the link control module assigns control to the terminal 1 according to the priority principle.

Step 6, since the content providing terminal 1 acquires the control right, the authority control module controls the projection control module to project the content of the content providing terminal 1.

Step 7, the permission control module notifies the content providing terminal 1 that it has control authority, can control the projector and switch permissions, and the processing flow of one access terminal is completed.

During the projection process of the content providing terminal 1, other terminals can also be accessed. The flow is as in Step 1 to Step 4 above, as in Step 8 to Step 11 in the flowchart, and the difference is in Step 12. as follows:

Step 12, after providing the Wifi Direct link, the content providing terminal 2 notifies the projection control module that since the current control right is in the content providing terminal 1, the permission control module only modifies the content providing terminal 2 The status is that the link is successfully established without controlling the projection control module to switch the projection content. If it is necessary to switch the projection content, the content providing terminal 1 is required to initiate a projection content switching request, as follows:

Step 13, the content providing terminal 1 initiates a request for switching the control authority to the content providing terminal 2 to the rights control module.

Step 14: After receiving the request, the permission control module controls the projection control module to switch the display content, and the content of the projection content providing terminal 2.

Step 15: After the switching of the projection control module is completed, the permission control module is notified that the switching is completed, and the permission control module changes the current control right to the content providing terminal 2. And each projection content providing terminal is notified separately.

Step 16, the permission control module notifies the content providing terminal 2 that the control right of the projection terminal has been acquired.

Step 17, the permission control module notifies the content providing terminal 1 that the control right of the projection terminal has been switched. At this point, the entire switching process operation process is completed, and the process is the same for multiple terminals.

The flowchart shown in FIG. 4 is only a processing flow for two terminals, and the processing flow for more than two terminals is the same.

Embodiment 3:

As shown in FIG. 5, this embodiment provides a projection terminal, a first control module and a second control module;

Preferentially, the first content terminal has a control to control the projection terminal, and the switching instruction includes: a request to switch the control right to the second content providing terminal;

Preferentially, as shown in FIG. 6, the projection terminal of this embodiment may further include: the third control module, where the third control module is configured to: in the process of projecting the content of the first content providing terminal by the projection terminal, The first content provides a control command sent by the terminal, and performs corresponding control on the projection terminal according to the control instruction.

The projection terminal of the embodiment can be connected to a plurality of content providing terminals, and can realize automatic switching between the plurality of content source terminals, and the transmission of the projected content improves the efficiency of the content source switching and the user experience.

In this embodiment, the first control module may correspond to the rights control module in the second embodiment, and the second control module may correspond to the projection control module in the second embodiment.

As shown in FIG. 7, the embodiment further provides a projection content switching system, including: a first content providing terminal, a second content providing terminal, and a projection terminal as described above.

The projection content switching system of the embodiment can automatically switch the projection content source of the projection terminal automatically, thereby improving the switching efficiency, thereby improving the user experience.

Industrial Applicability: It can be seen from the above description that the present invention provides a projection content switching method, a system, and a projection terminal, which can implement fast switching between multiple projection content sources. Preferably, the projection content switching method of the present invention includes: And in the process of projecting the content of the first content providing terminal by the projection terminal, accessing the second content providing terminal, and establishing a data transmission link with the second content providing terminal; successfully establishing data transmission with the second content providing terminal After the link, the switching instruction sent by the first content providing terminal is received, and the current projected content is switched to the content of the second content providing terminal; the switching method of the present invention can be automatically switched by a switching instruction when the projected content source needs to be switched. By switching the projection content source, the user does not need to perform manual operations such as disconnection, and the projection content source can be quickly switched, thereby improving the switching efficiency of the projection content source, thereby improving the user experience.

The above is a further detailed description of the present invention in connection with the specific embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

A projection content switching method includes the following steps:

In the process of projecting the content of the first content providing terminal by the projection terminal, accessing the second content providing terminal, and establishing a data transmission link with the second content providing terminal;

After successfully establishing a data transmission link with the second content providing terminal, receiving a switching instruction sent by the first content providing terminal, and switching the current projected content to the content of the second content providing terminal.
The method of claim 1, wherein the first content terminal has control to control the projection terminal, the switching instruction comprising: a request to switch the control right to the second content providing terminal ;

After switching the current projected content to the content of the second content providing terminal, the method further includes: switching the control right to the second content providing terminal.
The method of claim 2, wherein the method further comprises:

In the process of projecting the content of the first content providing terminal by the projection terminal, receiving a control instruction sent by the first content providing terminal, and performing corresponding control on the projection terminal according to the control instruction.
The method of claim 3, wherein the control instruction comprises: at least one of an instruction to control the projection terminal to turn off the projection, an instruction to control the projection terminal to turn on the projection, and an instruction to control the projection terminal to set the projection parameter. One.
The method of claim 3 or 4, wherein the step of receiving the handover instruction sent by the first content providing terminal comprises:

Receiving, by the first content providing terminal, a switching instruction sent by a webpage provided by the projection terminal;

The step of receiving the control instruction sent by the first content providing terminal includes:

Receiving, by the first content providing terminal, a control instruction sent by a webpage provided by the projection terminal.
A projection content switching method includes the following steps:

In the process of projecting the content of the first content providing terminal by the projection terminal, the second content providing terminal accesses the projection terminal, and establishes a data transmission link with the projection terminal;

After the second content providing terminal successfully establishes a data transmission link with the projection terminal, the first content providing terminal sends a switching instruction to the projection terminal;

The projection terminal switches the current projection content to the content of the second content providing terminal.
The method of claim 6, wherein the first content terminal has control to control the projection terminal, the switching instruction comprising: a request to switch the control right to the second content providing terminal ;

After switching the current projected content to the content of the second content providing terminal, the method further includes: the projection terminal switching the control right to the second content providing terminal.
The method according to claim 6 or 7, wherein the method further comprises: in the process of projecting the content of the first content providing terminal by the projection terminal, the first content providing terminal transmitting a control instruction to the projection terminal.
The method of claim 8, wherein the step of the first content providing terminal transmitting a switching instruction to the projection terminal comprises:

Transmitting, by the first content, a switching instruction sent by the projection terminal to the projection terminal;

The step of the first content providing terminal sending a control command to the projection terminal includes:

The first content is sent to the projection terminal by a webpage sending control command provided by the projection terminal.
A projection terminal includes: a first control module and a second control module;

The first control module is configured to access the second content providing terminal during the projecting of the content of the first content providing terminal by the projection terminal, and successfully establish data in the second control module and the second content providing terminal After transmitting the link, receiving a handover instruction sent by the first content providing terminal;

The second control module is configured to establish a data transmission link with the second content providing terminal; when the first control module receives the switching instruction, switch the current projection content to the second content providing terminal content.
The projection terminal according to claim 10, wherein said first content terminal has control for controlling said projection terminal, said switching instruction comprising: switching said control right to said second content providing terminal request;

The first control module is further configured to switch the control right to the second content providing terminal after switching the current projected content to the content of the second content providing terminal.
The projection terminal of claim 11, further comprising: the third control module, the third control module is configured to: receive the first in the process of projecting the content of the first content providing terminal by the projection terminal The content provides a control command sent by the terminal, and performs corresponding control on the projection terminal according to the control instruction.
A projection content switching system, comprising: a first content providing terminal, a second content providing terminal, and the projection terminal according to any one of claims 10-12.