CN106303676A - The method and apparatus that a kind of wireless video shows - Google Patents

Abstract

The embodiment of the present invention discloses a method and device for wireless video display, the method may include: after the local device scans to the peer device through short-distance communication technology, capture the first operation action within a preset time period; The local device acquires the connection establishment instruction corresponding to the first operation action according to the correspondence between the pre-stored operation action and the connection establishment instruction; the local device establishes a connection with the peer device according to the connection establishment instruction Wireless video display connection.

Description

Method and device for wireless video display

technical field

The present invention relates to image transmission technology, in particular to a method and device 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 WIFIDirect to transmit the multimedia data of the source device to the destination device for playback and display.

At present, the process of establishing a Miracast connection generally includes the following operations: first enable the Miracast function, then search for connectable Wi-Fi Direct devices (that is, all visible devices that support the Wi-Fi Direct function), and then manually pair the searched Wi-Fi Direct devices. -Fi Direct display device, and finally establish a Miracast connection with the Wi-FiDirect display device to realize screen sharing. It can be seen from the above process that the process of establishing a Miracast connection in the prior art is cumbersome and complicated, requires manual participation of the user, and has low user experience.

Contents of the invention

In order to solve the above technical problems, the embodiments of the present invention expect to provide a method and device for wireless video display, which can establish a Miracast connection without manual participation of a user, and simplify the process of establishing a Miracast connection.

Technical scheme of the present invention is realized like this:

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

After the local device scans the peer device through short-distance communication technology, it captures the first operation action within a preset time period;

The local device acquires the connection establishment instruction corresponding to the first operation action according to the correspondence between the prestored operation action and the connection establishment instruction;

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

In the above solution, after the local device discovers the peer device through short-distance communication technology, it captures the first operation action within a preset time period, specifically including:

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

When the local device determines, according to the system identifier of the peer device, that the peer device supports wireless video display connections, trigger the first operation action of capturing 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 connection establishment instruction, specifically including:

After the local device starts its own wireless video display connection function according to the connection establishment instruction, it sends 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 above solution, when the local device is the destination device, the local device sends authentication information and a 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 acquires the control instruction corresponding to the second operation action by searching for the correspondence between the preset operation action and the control instruction;

The local device controls the 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 the second aspect, an embodiment of the present invention provides a device for wireless video display, the device includes: a scanning unit, a capture unit, an acquisition unit, and a connection control unit, wherein,

The scanning unit is configured to scan the peer device through the short-range communication technology, and trigger the capture unit when the peer device is scanned through the short-range communication technology;

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

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

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

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

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

In the above solution, the connection control unit is specifically used for:

After enabling its own wireless video display connection function according to the connection establishment instruction, send authentication information and a wireless video display connection request to the peer device; the wireless video display connection request is used to instruct the peer device to The right information completes the wireless video display connection with the local device.

In the above 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 peer device through a reverse control channel and the wireless video display connection request of the local device.

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

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

The connection control unit is further configured to control the 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 provides a method and device for wireless video display. After discovering the peer device using short-distance communication technology, the establishment process of Miracast connection is started by capturing preset operation actions, and Miracast can be established without manual participation of the user. Connection, which simplifies the process of establishing a Miracast connection.

Description of drawings

FIG. 1 is a schematic diagram of an application scenario provided by an embodiment of the present invention;

FIG. 2 is a schematic flowchart of a method for wireless video display provided by an embodiment of the present invention;

3 is a schematic flow diagram of controlling the Miracast connection state between two devices provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a wireless video display device provided by an embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Referring to Fig. 1, it shows a schematic application scenario provided by the embodiment of the present invention. In the embodiment of the present invention, Miracast is used as an example for wireless video display. It can be understood that other wireless video displays can also apply the present invention The technical solutions of the embodiments will not be repeated here. The Miracast connection between the source end 10 and the destination end 20 realizes screen sharing; wherein, the device that transmits the image is called the source end device, and the device that receives the transmitted image is called the destination end device. In this exemplary scenario, the source terminal 10 is a smart phone, a tablet computer, a notebook computer, etc. that support the Miracast function; the destination terminal 20 may be a TV, a projection device, etc. that support the Miracast function, and this is not specifically described in the embodiment of the present invention limited. It can be understood that this application scenario is only used to illustrate the technical solution provided by the embodiment of the present invention, and does not limit the embodiment of the present invention in any way.

Referring to Fig. 2, it shows the flow of a method for wireless video display provided by the embodiment of the present invention, the method can be applied to any end device in the Miracast connection, referred to as the local end in the embodiment of the present invention, and the local end The other end of the Miracast connection is called the opposite 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. No further details will be given later. The method can include :

S201: After the local device scans the peer device through short-distance communication technology, capture the first operation action within a preset time period;

Exemplarily, the short-distance communication technology may include any of the following methods: Near Field Communication (NFC, Near Field Communication), Bluetooth technology, infrared technology, and WIFI Direct (WIFI Direct) technology. In this embodiment, in addition to scanning to the peer device through short-distance communication technology, the local device may also include:

The local device obtains the system identifier of the peer device; wherein, the system identifier is used to indicate whether the peer device supports Miracast connection; specifically, it can be realized through 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, the first operation action of capturing within a preset time period is triggered.

For example, 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 operating gestures; when the local device is a projection device or a large-sized In the case of TV equipment, etc., different gestures and actions of the user can be acquired through the MotionSensor in the local equipment.

It should be noted that if the local device does not capture the first operation action within the preset time period, it will stop capturing the first operation action. At this time, the first operation action will be started after rediscovery between the two devices capture process.

S202: The local device obtains the connection establishment instruction corresponding to the first operation action according to the correspondence between the pre-stored operation action and the connection establishment instruction;

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

Specifically, in this embodiment, the operation action corresponding to the instruction to establish a connection may be to perform an "S"-shaped slide on the touch screen of the local device; then, in step S201, the first operation obtained by the local device When the action is that the user slides an "S" shape on the touch screen, an instruction to establish a connection can be obtained through the acquisition in step S202.

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

Exemplarily, the local device establishes a Miracast connection with the peer device according to the connection establishment instruction, which may specifically include:

After the local device starts its own Miracast connection function according to the connection establishment command, it sends authentication information and a 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 sequentially establish the WiFi TCP/IP connection, WiFi point-to-point connection and RTSP connection required by the Miracast connection according to the WiFi and Miracast standard procedures.

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

The above steps S201 to S203 realize the specific process of establishing a Miracast connection between the local device and the peer device. After the process uses short-distance communication technology to discover the peer device, the establishment of the Miracast connection is started by capturing preset operation actions process, so that the Miracast connection can be established without manual participation of the user, which simplifies the process of establishing the Miracast connection. After the Miracast connection is established, the Miracast connection state between the two devices can still be controlled by capturing preset operation actions. Therefore, referring to FIG. 3, this method can also include:

S301: The local device captures the second operation action;

S302: The local device obtains the control instruction corresponding to the second operation action by searching for the corresponding relationship between the preset operation action and the control instruction;

Among them, the control command can be used to control the state of the Miracast connection between the local device and the peer device, for example, close the Miracast connection between the local device and the peer device, suspend the Miracast connection between the local device and the peer device , re-establish the Miracast connection between the local device and the peer device, etc.

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.

Understandably, when the local device is the destination device, it can interact with the source device through the reverse control channel from the destination device to the source device, so as to implement the Miracast connection between the local device and the peer device. state is controlled.

Specifically, taking the local device as a destination device with a somatosensory device as an example, the operation action corresponding to the default setting of "closing the Miracast connection between the local device and the peer device" is the user's gesture of waving; when the local device When the end device is connected to the peer device through Miracast, it obtains the user's waving gesture, and the local device can obtain the corresponding relationship between the user's waving gesture and the "close this The Miracast connection between the end device and the peer device", at this time, the local device can send a request to close the Miracast connection to the peer device through the reverse channel, thereby closing the Miracast connection between the local device and the peer device. The Miracast connection process can be implemented according to the WiFi and Miracast standard procedures, which will not be repeated in this embodiment of the present invention.

The above steps S301 to S303 realize the process of controlling the state of the Miracast connection after the Miracast connection is established between the local device and the peer device. Key operation simplifies the process of controlling the state of the Miracast connection.

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

Based on the same technical idea of the foregoing embodiments, see FIG. 4 , which shows a wireless video display device 40 provided by an embodiment of the present invention. This device can be either 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 capture unit 402, an acquisition unit 403, and a connection control unit 404, wherein,

The scanning unit 401 is configured to scan the peer device through the short-range communication technology, and when the peer device is scanned through the short-range communication technology, trigger the capture unit 402;

a capture unit 402, configured to capture a first operation action within a preset time period;

The obtaining unit 403 is configured to obtain the connection establishment instruction corresponding to the first operation action according to the correspondence between the prestored operation action and the connection establishment instruction;

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

In the above solution, the scanning unit 401 is also used to acquire the system identifier of the peer device; wherein, the system identifier is used to indicate whether the peer device supports wireless video display connection; and,

When it is determined according to the system identifier of the peer device that the peer device supports wireless video display connection, the capturing unit 402 is triggered.

In the above solution, the connection control unit 404 is specifically used for:

After opening its own wireless video display connection function according to the connection establishment instruction, send authentication information and a wireless video display connection request 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 above solution, when the local device is the destination device, the connection control unit 404 is specifically used to: send the local device to the peer device through the reverse control channel from the destination device to the source device. Authentication information and the wireless video display connection request of the local device.

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

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

The connection control unit 404 is further configured to control the 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 provides a wireless video display device. After discovering the peer device using the short-distance communication technology, the establishment process of the Miracast connection is started by capturing the preset operation action, and the Miracast connection can be established without manual participation of the user. Simplified the process of establishing a Miracast connection.

Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may 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.) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (10)

1. the method that a wireless video shows, it is characterised in that described method includes:

After local device scans opposite equip. by close range communication techniques, at default time period IT First operational motion；

Described local device, according to the operational motion prestored and the corresponding relation set up between link order, obtains What described first operational motion was corresponding sets up link order；

Described local device sets up wireless video display even according to described link order of setting up with described opposite equip. Connect.

Method the most according to claim 1, it is characterised in that described local device is by closely leading to After letter scientific discovery opposite equip., at default time period IT the first operational motion, specifically include:

Described local device obtains the system identifier of described opposite equip.；Wherein, described system identifier is used Whether in indicating described opposite equip. to support, wireless video display connects；

When according to the system identifier of described opposite equip., described local device determines that described opposite equip. supports nothing When the display of line video connects, trigger described at default time period IT the first operational motion.

Method the most according to claim 1, it is characterised in that described local device is according to setting up connection Instruction is set up wireless video and is shown and be connected with opposite equip., specifically includes:

Described local device according to described set up link order open self wireless video display linkage function it After, send authentication information and wireless video display connection request to described opposite equip.；Described wireless video shows Show that connection request is for indicating described opposite equip. to complete to regard with the wireless of described local device according to authentication information Frequency display connects.

Method the most according to claim 3, it is characterised in that hold for the purpose of described local device and set Time standby, described local device sends authentication information and wireless video display connection request to described opposite equip., Including:

Described local device sends described local terminal by Back Control Channel to described local device opposite equip. and sets Standby authentication information and described local device wireless video display connection request.

Method the most according to claim 1, it is characterised in that complete in wireless video display connection establishment After one-tenth, described method also includes:

Described local device captures the second operational motion；

Described local device by search preset operational motion and control instruction between corresponding relation obtain with The control instruction that described second operational motion is corresponding；

Described local device according to control instruction corresponding to described second operational motion to described local device with right The state that wireless video display between end equipment connects is controlled.

6. the equipment that a wireless video shows, it is characterised in that described equipment includes: scanning element, catch Obtain unit, acquiring unit and connection control unit, wherein,

Described scanning element, for scanning opposite equip. by close range communication techniques, and when passing through low coverage After communication technology scans opposite equip., trigger described capturing unit；

Described capturing unit, at default time period IT the first operational motion；

Described acquiring unit, the operational motion prestored for basis and the corresponding relation setting up between link order, Obtain described first operational motion corresponding set up link order；

Described connection control unit, for setting up wireless according to described link order of setting up with described opposite equip. Video display connects.

Equipment the most according to claim 6, it is characterised in that described scanning element, is additionally operable to obtain The system identifier of described opposite equip.；Wherein, described system identifier is used for indicating the described opposite equip. be The display of no support wireless video connects；And,

System identifier according to described opposite equip. determines that described opposite equip. supports that wireless video display connects Time, trigger described capturing unit.

Equipment the most according to claim 6, it is characterised in that described connection control unit, specifically uses In:

After the described wireless video display linkage function setting up link order unlatching self, to described right End equipment sends authentication information and wireless video display connection request；Described wireless video display connection request is used It is connected in indicating described opposite equip. to complete to show with the wireless video of described local device according to authentication information.

Method the most according to claim 8, it is characterised in that hold for the purpose of described local device and set Time standby, described connection control unit, specifically for: by Back Control Channel to described local device opposite end Equipment sends described local device authentication information and described local device wireless video display connection request.

Equipment the most according to claim 6, it is characterised in that described capturing unit, is additionally operable to catch Win the second place operational motion；

Described acquiring unit, is additionally operable to the corresponding pass by searching between operational motion and the control instruction preset System obtains the control instruction corresponding with described second operational motion；

Described connection control unit, is additionally operable to according to control instruction corresponding to described second operational motion described Wireless video between local device with opposite equip. shows that the state being connected is controlled.