WO2016192200A1

WO2016192200A1 - Miracast method and device, and computer readable storage medium

Info

Publication number: WO2016192200A1
Application number: PCT/CN2015/086728
Authority: WO
Inventors: 刘明
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-06-01
Filing date: 2015-08-12
Publication date: 2016-12-08
Also published as: CN106303676A

Abstract

Disclosed in embodiments of the present invention are a Miracast method and device, and computer readable storage medium. The method comprises: after scanning for and detecting, using a near-field communication function, a remote device, capturing, by a local device and in a preset period of time, a first operation action; determining, by the local device and according to a corresponding relationship between a pre-stored operation action and a connection establishing instruction, the connection establishing instruction corresponding to the first operation action; and establishing, by the local device and according to the connection establishing instruction, a Miracast connection with the remote device.

Description

Method, device and computer readable storage medium for wireless video display

Technical field

The present invention relates to image transmission technologies, and in particular, to a method, device, and computer readable storage medium for wireless video display.

Background technique

Miracast, also known as WI-FI Display (WIreless FIdelity Display) technology, is a point-to-point multimedia sharing protocol developed by the WI-FI Alliance. The principle is to use the p2p network established by WIFI Direct to transmit the multimedia data of the source device to the destination device for playback display.

Currently, the connection process for establishing Miracast generally includes the following operations: first open the Miracast function, then search for a connectable Wi-Fi Direct device (that is, all visible Wi-Fi Direct-enabled devices around), and then manually pair the searched Wis. -Fi Direct display device, and finally establish a Miracast connection with the Wi-Fi Direct display device for screen sharing. It can be seen from the above process that the process of establishing a Miracast connection in the prior art is complicated and complicated, requires manual participation by the user, and the user experience is low.

Summary of the invention

In order to solve the above technical problem, embodiments of the present invention are directed to a method, a device, and a computer readable storage medium for wireless video display, which can establish a Miracast connection without manual intervention by a user, and simplify the process of establishing a Miracast connection.

The technical solution of the present invention is implemented as follows:

In a first aspect, an embodiment of the present invention provides a method for wireless video display, where the method includes:

After the local device scans to the peer device through the short-range communication technology, the first operation action is captured within a preset time period;

The local device acquires a connection establishment instruction corresponding to the first operation action according to a correspondence between a pre-stored operation action and a connection establishment instruction;

The local device establishes a wireless video display connection with the peer device according to the establishing a connection instruction.

In the above solution, after the local device discovers the peer device by using the short-range communication technology, the first operation action is captured within a preset time period, and the specific device includes:

The local device acquires a system identifier of the peer device, where the system identifier is used to indicate whether the peer device supports a wireless video display connection;

And when the local device determines that the peer device supports the wireless video display connection according to the system identifier of the peer device, triggering the capturing of the first operation action within a preset time period.

In the above solution, the local device establishes a wireless video display connection with the peer device according to the establishment of the connection instruction, and specifically includes:

After the local device starts its own wireless video display connection function according to the establishing connection instruction, the local device sends an authentication information and a wireless video display connection request to the peer device; the wireless video display connection request is used to indicate the The peer device completes the wireless video display connection with the local device according to the authentication information.

In the foregoing solution, when the local device is the destination device, the local device sends the authentication information and the wireless video display connection request to the peer device, including:

The local device sends the local device authentication information and the local device wireless video display connection request to the local device peer device through a reverse control channel.

In the above solution, after the wireless video display connection is established, the method further includes:

The local device captures a second operation action;

The local device obtains a correspondence between a preset operation action and a control instruction. Taking a control instruction corresponding to the second operation action;

The local device controls a state of the wireless video display connection between the local device and the peer device according to the control instruction corresponding to the second operation action.

In a second aspect, an embodiment of the present invention provides a device for wireless video display, where the device includes: a scanning unit, a capturing unit, an acquiring unit, and a connection control unit, where

The scanning unit is configured to scan the peer device by using a short-range communication technology, and trigger the capturing unit after scanning to the peer device by the short-range communication technology;

The capturing unit is configured to capture a first operation action within a preset time period;

The obtaining unit is configured to acquire a connection establishment instruction corresponding to the first operation action according to a correspondence between the pre-stored operation action and the establishment of the connection instruction;

The connection control unit is configured to establish a wireless video display connection with the peer device according to the establishing a connection instruction.

In the above solution, the scanning unit is further configured to acquire a system identifier of the peer device, where the system identifier is used to indicate whether the peer device supports a wireless video display connection;

The capturing unit is triggered when the peer device supports the wireless video display connection according to the system identifier of the peer device.

In the above solution, the connection control unit is specifically configured to:

And after the establishing the connection instruction to enable the wireless video display connection function, sending the authentication information and the wireless video display connection request to the peer device; the wireless video display connection request is used to indicate that the peer device is configured according to the The right information is completed and connected to the wireless video display of the local device.

In the foregoing solution, when the local device is the destination device, the connection control unit is specifically configured to: send the local device authentication information to the local device peer device by using a reverse control channel. And the local device wireless video display connection request.

In the above solution, the capturing unit is further configured to capture a second operation action;

The obtaining unit is further configured to acquire a control instruction corresponding to the second operation action by searching a correspondence between a preset operation action and a control instruction;

The connection control unit is further configured to control a state of the wireless video display connection between the local device and the peer device according to the control instruction corresponding to the second operation action.

The embodiment of the present invention further provides a computer readable storage medium, the storage medium comprising a set of instructions, when executed, causing at least one processor to perform operations including:

Scanning to the peer device by using the short-range communication function, capturing the first operation action within a preset time period;

Determining a connection establishment instruction corresponding to the first operation action according to a correspondence between the pre-stored operation action and the establishment of the connection instruction;

Establishing a wireless video display connection with the peer device according to the establishing a connection instruction.

The embodiment of the invention provides a method and a device for displaying a wireless video. After discovering the peer device by using the short-range communication technology, the process of establishing the Miracast connection is started by capturing a preset operation action, and the Miracast can be established without manual participation of the user. The connection simplifies the process of establishing a Miracast connection.

DRAWINGS

FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present disclosure;

2 is a schematic flowchart of a method for displaying a wireless video according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart of controlling a connection state of a Miracast between two devices according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a device for wireless video display according to an embodiment of the present invention.

detailed description

The technical solution in the embodiment of the present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention. Clearly and completely described.

FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention. In the embodiment of the present invention, a wireless video display is a Miracast as an example. It can be understood that other wireless video displays can also be applied to the present invention. The technical solutions of the embodiments are not described herein again. The Miracast connection between the source end 10 and the destination end 20 implements screen sharing; wherein the device for performing image transmission is referred to as a source device, and the device for receiving the transmitted image is referred to as a destination device. In the exemplary scenario, the source end 10 is a smart phone, a tablet computer, a notebook computer, and the like that support the Miracast function; the destination end 20 may be a TV, a projection device, or the like that supports the Miracast function, which is not specifically described in the embodiment of the present invention. Limited. It is to be understood that the application scenario is only used to describe the technical solutions provided by the embodiments of the present invention, and is not limited to the embodiments of the present invention.

Referring to FIG. 2, it is a flowchart of a method for wireless video display according to an embodiment of the present invention. The method may be applied to any device in a Miracast connection. The other end of the Miracast connection is called the peer end. It can be understood that the local device can be either the source device in the Miracast connection or the destination device in the Miracast connection. :

S201: the local device scans the peer device by using the short-range communication function, and captures the first operation action within a preset time period;

Illustratively, the short-range communication function may include any one of the following technologies: Near Field Communication (NFC), Bluetooth technology, infrared technology, and WIFI Direct technology.

In this embodiment, the local device may include: in addition to scanning to the peer device by the short-range communication technology, the local device may include:

The local device obtains the system identifier of the peer device. The system identifier is used to indicate whether the peer device supports the Miracast connection. The specific device can be implemented by using a preset password information.

When the local device determines that the peer device supports the Miracast connection according to the system identifier of the peer device, triggering the capturing of the first operation action within a preset time period.

Illustratively, when the local device is a mobile terminal device, the operation actions acquired by the local device may include different forms of touch screen operations, and may also include different operation gestures; when the local device is a projection device or a large size When a television device or the like is used, the motion sensor of the local device can be used to acquire different posture actions of the user.

It should be noted that, when the local device does not capture the first operation action within a preset time period, the first operation action is stopped, and then the first operation action is restarted after the two devices re-discover between the two devices. Capture process.

S202: The local device acquires a connection establishment instruction corresponding to the first operation action according to the correspondence between the pre-stored operation action and the establishment of the connection instruction.

Exemplarily, the connection instruction is used to establish a Miracast connection between the local device and the peer device; specifically, the corresponding operation action may be set by setting a connection instruction in advance.

Specifically, in this embodiment, the operation action corresponding to the establishment of the connection instruction may be an "S" type sliding on the touch screen of the local device; then, in step S201, the first operation acquired by the local device When the user performs an "S" type slide on the touch screen, the connection establishment instruction can be obtained by the acquisition of step S202.

S203: The local device establishes a Miracast connection with the peer device according to the establishment of the connection instruction.

Illustratively, the local device establishes a Miracast connection with the peer device according to the establishment of the connection instruction, and specifically includes:

After the local device starts its own Miracast connection function according to the connection establishment command, the local device sends the authentication information and the Miracast connection request to the peer device. The Miracast connection request is used to instruct the peer device to complete the Miracast connection with the local device according to the authentication information. . After the peer device receives the authentication information and the Miracast connection request, it can establish the TCP/IP connection of the WiFi required for the Miracast connection and the point-to-point connection of the WiFi according to the standard process of WiFi and Miracast. Connect to RTSP.

It should be noted that the specific process of establishing a Miracast connection between the two devices and the wireless video display process after the connection is established are all conventional technical means of those skilled in the art, and are not described herein again. It can be understood that when the local device is the destination device, the local device can send the authentication information and the Miracast connection request to the peer device through the reverse control channel from the destination device to the source device.

The foregoing steps S201 to S203 implement a specific process of establishing a Miracast connection between the local device and the peer device. After the peer device is discovered by using the short-range communication technology, the establishment of the Miracast connection is started by capturing a preset operation action. The process, which allows for the creation of a Miracast connection without the need for manual user involvement, simplifies the process of establishing a Miracast connection. After the connection of the Miracast connection is established, the status of the Miracast connection between the two devices can still be controlled by capturing a preset operation action. Therefore, referring to FIG. 3, the method may further include:

S301: The local device captures a second operation action.

S302: The local device acquires a control instruction corresponding to the second operation action by searching a corresponding relationship between the preset operation action and the control instruction.

The control command can be used to control the status of the Miracast connection between the local device and the peer device. For example, the Miracast connection between the local device and the peer device is disabled, and the Miracast connection between the local device and the peer device is suspended. , re-establish the Miracast connection between the local device and the peer device.

S303: The local device controls the state of the Miracast connection between the local device and the peer device according to the control instruction corresponding to the second operation action.

It can be understood that when the local device is the destination device, the source device can interact with the source device through the reverse control channel of the source device to implement the Miracast connection between the local device and the peer device. The status is controlled.

Specifically, taking the local device as the destination device with the somatosensory device as an example, the preset action and the operation action corresponding to “turn off the Miracast connection between the local device and the peer device” is the gesture action of the user; When the end device and the peer device are connected to the Miracast, the user's wave gesture is obtained, and the local device can obtain the user's wave gesture according to the corresponding relationship between the preset operation action and the control command. The Miracast connection between the end device and the peer device. In this case, the local device can send a close Miracast connection request to the peer device through the reverse channel, thereby closing the Miracast connection between the local device and the peer device. The process of the connection of the Miracast can be implemented according to the standard process of the WiFi and the Miracast, which will not be described in detail in the embodiment of the present invention.

The foregoing steps S301 to S303 implement a process of controlling the state of the Miracast connection after the establishment of the Miracast connection between the local device and the peer device, and the process of controlling only needs the gesture operation of the user, and the device is not needed. The button operation simplifies the process of controlling the state of the Miracast connection.

An embodiment of the present invention provides a method for wireless video display. After discovering a peer device by using a short-range communication technology, the process of establishing a Miracast connection is started by capturing a preset operation action, and the Miracast connection can be established without manual participation of the user. Simplifies the process of establishing a Miracast connection.

Based on the same technical concept of the foregoing embodiment, referring to FIG. 4, a device 40 for wireless video display according to an embodiment of the present invention is shown, which may be a source device in a Miracast connection, or a Miracast connection. In the destination device, the device 40 may include: a scanning unit 401, a capturing unit 402, an obtaining unit 403, and a connection control unit 404, where

The scanning unit 401 is configured to scan the peer device by the short-range communication technology, and after scanning to the peer device by the short-range communication technology, triggering the capturing unit 402;

The capturing unit 402 is configured to capture the first operation action within a preset time period;

The obtaining unit 403 is configured to perform a correspondence between the pre-stored operation action and the establishment of the connection instruction And acquiring a connection establishment instruction corresponding to the first operation action;

The connection control unit 404 is configured to establish a wireless video display connection with the peer device according to the establishment of the connection instruction.

In the above solution, the scanning unit 401 is further configured to acquire a system identifier of the peer device, where the system identifier is used to indicate whether the peer device supports the wireless video display connection;

The capture unit 402 is triggered when it is determined that the peer device supports the wireless video display connection according to the system identifier of the peer device.

In the above solution, the connection control unit 404 is specifically configured to:

After the connection of the wireless video display connection function is started according to the establishment of the connection instruction, the authentication information and the wireless video display connection request are sent to the peer device; the wireless video display connection request is used to instruct the peer device to complete the connection with the local device according to the authentication information. Wireless video display connection.

In the foregoing solution, when the local device is the destination device, the connection control unit 404 is specifically configured to: send the local device to the local device peer device by using a reverse control channel from the destination device to the source device. The authentication information and the local device wireless video display connection request.

In the above solution, the capturing unit 402 is further configured to capture a second operation action;

The obtaining unit 403 is further configured to obtain a control instruction corresponding to the second operation action by searching a correspondence between the preset operation action and the control instruction;

The connection control unit 404 is further configured to control a state of the wireless video display connection between the local device and the peer device according to the control instruction corresponding to the second operation action.

An embodiment of the present invention provides a device for wireless video display. After discovering a peer device by using a short-range communication technology, the process of establishing a Miracast connection is started by capturing a preset operation action, and the Miracast connection can be established without manual participation of the user. Simplifies the process of establishing a Miracast connection.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may employ hardware embodiments, software embodiments, or junctions. In the form of an embodiment of the software and hardware aspects. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. Instructions are provided for implementation The steps of a function specified in a block or blocks of a flow or a flow and/or a block diagram of a flow chart.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Industrial applicability

The embodiment of the invention discloses a method and a device for wireless video display, which can scan a remote device by using a short-range communication function, and capture a first operation action within a preset time period; the local device is pre-stored according to the pre-stored Determining a correspondence between the operation action and the establishing the connection instruction, and determining a connection establishment instruction corresponding to the first operation action; the local device establishes a wireless video display connection with the peer device according to the establishing the connection instruction. This ensures that the Miracast connection can be established without the user's manual participation, simplifying the process of establishing a Miracast connection.

Claims

A method of wireless video display, the method comprising:

The local device scans the peer device by using the short-range communication function, and captures the first operation action within a preset time period;

Determining, by the local device, a connection establishment instruction corresponding to the first operation action according to a correspondence between a pre-stored operation action and a connection establishment instruction;

The local device establishes a wireless video display connection with the peer device according to the establishing a connection instruction.
The method according to claim 1, wherein the local device scans the peer device by using a short-range communication function, and captures the first operation action for a preset period of time, including:

The local device acquires a system identifier of the peer device, where the system identifier is used to indicate whether the peer device supports a wireless video display connection;

And when the local device determines that the peer device supports the wireless video display connection according to the system identifier of the peer device, triggering the capturing of the first operation action within a preset time period.
The method of claim 1, wherein the local device establishes a wireless video display connection with the peer device according to the establishing connection instruction, and specifically includes:

After the local device starts its own wireless video display connection function according to the establishing connection instruction, the local device sends an authentication information and a wireless video display connection request to the peer device; the wireless video display connection request is used to indicate the The peer device establishes a wireless video display connection with the local device according to the authentication information.
The method of claim 3, wherein the local device sends the authentication information and the wireless video display connection request to the peer device, including:

The local device sends the local device authentication information and the local device wireless video display connection request to the local device peer device through a reverse control channel.
The method of claim 1 wherein the wireless video display connection is established Thereafter, the method further includes:

The local device captures a second operation action;

The local device acquires a control instruction corresponding to the second operation action by searching a correspondence between a preset operation action and a control instruction;

The local device controls a state of the wireless video display connection between the local device and the peer device according to the control instruction corresponding to the second operation action.
A device for wireless video display, the device comprising: a scanning unit, a capturing unit, an acquiring unit, and a connection control unit, wherein

The scanning unit is configured to trigger the capturing unit by scanning to a peer device by using a short-range communication function;

The capturing unit is configured to capture a first operation action within a preset time period;

The obtaining unit is configured to determine a connection establishment instruction corresponding to the first operation action according to a correspondence between the pre-stored operation action and the establishment of the connection instruction;

The connection control unit is configured to establish a wireless video display connection with the peer device according to the establishing a connection instruction.
The device according to claim 6, wherein the scanning unit is configured to acquire a system identifier of the peer device; wherein the system identifier is used to indicate whether the peer device supports a wireless video display connection ;as well as,

The capturing unit is triggered when the peer device supports the wireless video display connection according to the system identifier of the peer device.
The device according to claim 6, wherein the connection control unit is configured to send the authentication information and the wireless video display connection to the peer device after the wireless video display connection function is turned on according to the establishing the connection instruction. The wireless video display connection request is used to instruct the peer device to complete a wireless video display connection with the local device according to the authentication information.
The method according to claim 8, wherein, when the local device is a destination device, the connection control unit is configured to send the local end to the local device peer device through a reverse control channel. The device authentication information and the local device wireless video display connection request.
The apparatus of claim 6, wherein the capturing unit is configured to capture a second operational action;

Correspondingly, the acquiring unit is configured to acquire a control instruction corresponding to the second operation action by searching a correspondence between a preset operation action and a control instruction;

The connection control unit is configured to control a state of the wireless video display connection between the local device and the peer device according to the control instruction corresponding to the second operation action.
A computer readable storage medium comprising a set of instructions that, when executed, cause at least one processor to perform operations comprising:

Scanning to the peer device by using the short-range communication function, capturing the first operation action within a preset time period;

Determining a connection establishment instruction corresponding to the first operation action according to a correspondence between the pre-stored operation action and the establishment of the connection instruction;

Establishing a wireless video display connection with the peer device according to the establishing a connection instruction.