CN109963030B - Screen sharing processing method and device - Google Patents
Screen sharing processing method and device Download PDFInfo
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- CN109963030B CN109963030B CN201711422815.9A CN201711422815A CN109963030B CN 109963030 B CN109963030 B CN 109963030B CN 201711422815 A CN201711422815 A CN 201711422815A CN 109963030 B CN109963030 B CN 109963030B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
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Abstract
The embodiment of the invention discloses a screen sharing processing method and screen sharing processing equipment. Wherein the method comprises the following steps: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal; receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute; and sending the information displayed on the screen to the fixed terminal for displaying through wireless network connection. According to the screen sharing processing method and the screen sharing processing device, information displayed on the screen of the mobile terminal is automatically shared to the fixed terminal for displaying, and the screen sharing efficiency is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a screen sharing processing method and device.
Background
With the development of mobile communication and the continuous improvement of living standard of people, the use of mobile phones is more and more popular, the functions of the mobile phones are more and more, and video conferences, video playing and the like can be realized by using the mobile phones.
For the video conference using the mobile phone, the participants can hear the sound of other meeting places, see the image, action and expression of the participants in other meeting places, and can also send electronic demonstration content. However, due to the limitation of the size of the screen of the mobile phone, the experience of the video conference is limited, and people can certainly select to output the video conference on the mobile phone to a large screen such as a television or a display to display the video conference so as to improve the conference experience. In the prior art, in order to output a video conference on a mobile phone to a large screen for display, wired or wireless connection is required manually to transmit data, and corresponding setting is also required, so that the operation is complex and time is required.
Therefore, how to provide a method to automatically establish the connection between the mobile phone and the screen for screen sharing, so as to improve the screen sharing efficiency, has become an important issue to be solved in the industry.
Disclosure of Invention
In order to overcome the defects in the prior art, embodiments of the present invention provide a screen sharing processing method and device.
In a first aspect, an embodiment of the present invention provides a screen sharing processing method, including:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal;
receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute;
and sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
In a second aspect, an embodiment of the present invention further provides a screen sharing processing method, including:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal;
broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
and receiving and displaying information displayed on a screen sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame.
In a third aspect, an embodiment of the present invention provides an electronic device, including: a first processor, a first memory, and a first communication bus, wherein:
the first processor and the first memory complete mutual communication through the first communication bus;
the first memory stores program instructions executable by the first processor, the first processor invoking the program instructions to perform a screen sharing processing method comprising:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal;
receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute;
and sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium storing first computer instructions for causing a computer to execute a screen sharing processing method capable of:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal;
receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute;
and sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
In a fifth aspect, an embodiment of the present invention provides an electronic device, including: a second processor, a second memory, and a second communication bus, wherein:
the second processor and the second memory complete mutual communication through the second communication bus;
the second memory stores program instructions executable by the second processor, and the second processor calling the program instructions can execute the following screen sharing processing method:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal;
broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
and receiving and displaying information displayed on a screen sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame.
In a sixth aspect, an embodiment of the present invention provides a non-transitory computer readable storage medium, wherein the non-transitory computer readable storage medium stores second computer instructions, and the second computer instructions enable the computer to execute the following screen sharing processing method:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal;
broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
and receiving and displaying information displayed on a screen sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame.
According to the screen sharing processing method and device provided by the embodiment of the invention, the mobile terminal can receive the service discovery frame broadcasted by the fixed terminal, the wireless network connection is established with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute carried by the service discovery frame, and then the information displayed on the screen is sent to the fixed terminal for displaying through the wireless network connection, so that the information displayed on the screen of the mobile terminal is automatically shared to the fixed terminal for displaying, and the screen sharing efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a NAN network cluster according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a screen sharing processing method according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a screen sharing processing method according to another embodiment of the present invention;
FIG. 4 is a flowchart illustrating a screen sharing processing method according to another embodiment of the present invention;
FIG. 5 is a flowchart illustrating a screen sharing processing method according to another embodiment of the present invention;
fig. 6 is a signaling interaction diagram of a screen sharing processing method according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
FIG. 8 is a block diagram of an electronic device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a fixed terminal according to an embodiment of the present invention;
fig. 10 is a schematic physical structure diagram of an electronic device according to another embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
To facilitate understanding of the embodiments of the present invention, description will be made below regarding the embodiments of the present invention relating to the basic technology.
Fig. 1 is a schematic diagram of a NAN network cluster according to an embodiment of the present invention, where as shown in fig. 1, a NAN (Neighbor Aware network) cluster includes four NAN devices, all of which use the same NAN configuration parameters and communicate based on a Wi-Fi (also referred to as a Wi-Fi based NAN) protocol, where the Wi-Fi Aware protocol is a latest near-field discovery protocol of a Wi-Fi alliance, and an existing Wi-Fi device may support a NAN function only by upgrading software. NAN devices are less energy consuming than Wi-Fi devices, so it can run in the background of the device for long periods of time.
At least one of four NAN devices of a NAN cluster is a master device, the master device creates a NAN cluster to which a NAN device close to the master device may join through a discovery beacon frame broadcast by the master device. Any NAN device in a NAN cluster may broadcast a service discovery frame in a Discovery Window (DW), and other NAN devices in the same NAN cluster may receive the service discovery frame. The Service discovery frame includes a Service description attribute, where the Service description attribute necessarily includes a Service identifier (Service ID), and a corresponding Service identifier may be generated by defining different Service names, where the Service identifier uniquely corresponds to the Service name.
The service discovery frame may include a NAN connection capability attribute, where the NAN connection capability attribute includes a set of parameters describing a connection establishment method, and the set of parameters includes a connection capability bitmap. The connection capability bitmap includes a set of parameters describing connection capability of the NAN device, and is used for indicating a network connection mode that the NAN device may establish, such as WLAN, Wi-Fi Direct, and the like.
Table 1 is a connection capability bitmap parameter table
Table 1 is a connection capability bitmap parameter table, and as shown in table 1, the network connection mode supported by the NAN device is represented by a bit value of the connection capability bitmap. When the connection capability bitmap carried by the service discovery frame includes a certain network connection mode, the service discovery frame correspondingly needs to carry configuration information of the network connection mode, so that the NAN device receiving the service discovery frame can establish corresponding network connection with the NAN device broadcasting the service discovery frame according to the configuration information. For example, when the value of the bit corresponding to the WLAN Infrastructure in the connection capability bitmap is 1, the service discovery frame must include a WLAN Infrastructure attribute including configuration information capable of establishing a WLAN network connection, that is, the NAN device receiving the WLAN Infrastructure attribute may establish a WLAN connection with the NAN device broadcasting the WLAN Infrastructure attribute based on the configuration information included in the WLAN Infrastructure attribute.
The mobile terminal and the fixed terminal related to the embodiment of the invention are both devices with NAN function and capable of starting NAN function, and have related network connection function.
Fig. 2 is a schematic flowchart of a screen sharing processing method according to an embodiment of the present invention, and as shown in fig. 2, the screen sharing processing method according to the present invention includes:
s201, adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal;
specifically, the mobile terminal and the fixed terminal are in the same NAN cluster, and the NAN cluster may be created by the mobile terminal, the fixed terminal, or even a third-party device. For example, a NAN cluster created by the fixed terminal and becoming a master device of the created NAN cluster may broadcast a discovery beacon frame for discovering devices within a certain range that turn on a NAN function. And when the mobile terminal is in the communication range of the fixed terminal, the mobile terminal can receive the discovery beacon frame and join the NAN cluster created by the fixed terminal according to the discovery beacon frame.
S202, receiving a service discovery frame broadcasted by a fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
specifically, when the mobile terminal and the fixed terminal are in the same NAN cluster, the fixed terminal broadcasts a service discovery frame in the DW, and the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute. The mobile terminal may receive the service discovery frame. The service discovery frame is preset, a unique screen sharing service identifier is obtained by setting a service name as a screen sharing service, and the service discovery frame is set to include a NAN connection capability attribute and a network connection attribute. The connection capability bitmap is set according to an actual wireless network condition, the network connection attribute corresponds to the connection capability bitmap, for example, when a bit corresponding to P2Ps included in the connection capability bitmap is set to 1, the network connection attribute is a peer-to-peer network attribute, and the fixed terminal may automatically acquire configuration information included in the peer-to-peer network attribute and required for establishing a peer-to-peer network. The mobile terminal is configured with a NAN function, such as a smart phone, a tablet computer, and the like. The fixed terminal is a display device configured with a NAN function, such as a liquid crystal display, a television, and the like.
S203, establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capacity bitmap and the network connection attribute;
specifically, after receiving the service discovery frame, the mobile terminal parses the service discovery frame to obtain the screen sharing service identifier, the connection capability bitmap, and the network connection attribute. After the mobile terminal obtains the screen sharing service identifier, acquiring wireless network connection to be established from the connection capability bitmap, and obtaining configuration information required by establishing the wireless network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, so that the wireless network connection is established with the fixed terminal based on the configuration information, wherein the wireless network connection is used for transmitting video information. The wireless network connection may be P2Ps or WLAN.
And S204, sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
Specifically, after the wireless network connection is established between the mobile terminal and the fixed terminal, the mobile terminal may send information displayed on a screen to the fixed terminal, and the fixed terminal may receive the information displayed on the screen and then display the information displayed on the screen. The information displayed on the screen may include video information of the mobile terminal in a video conference, video information being played by the mobile terminal, and the like.
For example, pommon plans to conduct a video conference with client mr litters at 3 pm in a conference room equipped with a 42-inch screen display device, through video software installed on pommon's cell phone. Since pommel mr needs to see the client in the video conference to show the products of his company, the mobile phone screen obviously cannot well observe the products due to the size limitation, and pommel mr decides to use the display device for the video conference. Before a video conference begins, manyflower people come to a conference room to start the NAN function of the display device, a screen sharing service is established on the display device, the display device has a unique screen sharing service identifier, a service discovery frame comprising the screen sharing service identifier is set to comprise a NAN connection capability attribute and a peer-to-peer network attribute, a bit corresponding to P2Ps of the connection capability bitmap in the NAN connection capability attribute is set to be 1, and the display device can automatically acquire configuration information required for establishing a peer-to-peer network, wherein the configuration information is included in the peer-to-peer network attribute.
The display device may create a NAN cluster: the method comprises the steps that a cluster A broadcasts a discovery beacon frame, and Mr. Pont starts the NAN function of a mobile phone, and the mobile phone can receive the discovery beacon frame and join the discovery beacon frame into the cluster A, so that the mobile phone and the display device are located in the cluster A; the display device broadcasts the service beacon frame in the DW, the mobile phone can receive the service beacon frame, analyzes the service discovery frame, analyzes the connection capacity bitmap to acquire that point-to-point network connection needs to be established after the screen sharing service identifier is obtained through analysis, and establishes the point-to-point network connection with the display device according to configuration parameters obtained through analyzing the point-to-point network attributes. When the pommel mr starts the video software, the mobile phone can transmit information displayed on a mobile phone screen to the display device through the point-to-point network, the display device displays the information displayed on the mobile phone screen on a 42-inch screen, and the pommel mr can conveniently observe products of the client when the video conference is carried out. It can be appreciated that both the mannhorn cell phone and the display device have NAN functionality and support point-to-point network connectivity.
According to the screen sharing processing method provided by the embodiment of the invention, the mobile terminal can receive the service discovery frame broadcasted by the fixed terminal, and establishes wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute carried by the service discovery frame, and then sends the information displayed on the screen to the fixed terminal for displaying through the wireless network connection, so that the information displayed on the screen of the mobile terminal is automatically shared to the fixed terminal for displaying, and the screen sharing efficiency is improved.
Fig. 3 is a schematic flowchart of a screen sharing processing method according to another embodiment of the present invention, and as shown in fig. 3, the establishing a wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap, and the network connection attribute includes:
s2031, popping up prompt information whether to share the screen.
Specifically, after the mobile terminal obtains the screen sharing service identifier through analysis, a prompt message indicating whether screen sharing is performed or not is popped up, for example, dialog boxes "share screen" and "cancel" are popped up, so that relevant personnel can perform selection operation conveniently.
S2032, after receiving the confirmation information of the screen sharing, establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capacity bitmap and the network connection attribute.
Specifically, after receiving information for confirming screen sharing, the mobile terminal obtains a wireless network connection to be established from the connection capability bitmap obtained by analysis, and obtains configuration information required for establishing the network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, so as to connect with the fixed terminal through the wireless network based on the configuration information. For example, the mobile terminal establishes the wireless network connection after detecting that the relevant person clicks a "share screen".
On the basis of the foregoing embodiments, further, the screen sharing processing method provided in the embodiment of the present invention further includes:
and after the prompt message indicating whether screen sharing is carried out is popped up, if the operation on the prompt message is not detected within a first preset time, no wireless network connection is established.
Specifically, after the screen sharing service identifier is obtained through analysis, the mobile terminal pops up prompt information indicating whether screen sharing is performed, for example, pops up dialog boxes of "sharing screen" and "cancel" so as to facilitate selection operations of related personnel. However, the mobile terminal does not receive the operation of the related person on the prompt message within a first preset time, for example, the operation that the related person clicks a "sharing screen" is not detected, and the operation that the related person clicks a "cancel" is also not detected, so that the mobile terminal does not establish the wireless network connection. The first preset time is set according to practical experience, and the embodiment of the invention is not limited.
Fig. 4 is a schematic flowchart of a screen sharing processing method according to another embodiment of the present invention, and as shown in fig. 4, the screen sharing processing method according to the embodiment of the present invention further includes:
205. and if the service discovery frame is judged and known not to be received within the second preset time, canceling the information transmission displayed on the screen.
Specifically, when the mobile terminal is far away from the NAN cluster and exceeds the communication range of the NAN cluster, the mobile terminal does not receive the service discovery frame broadcasted by the fixed terminal in the DW any more in the DW. And the mobile terminal judges that the service discovery frame is not received within second preset time, and the screen sharing is not required, and the mobile terminal cancels the sending of the information displayed on the screen to the fixed terminal. The second preset time is set according to actual needs, and the embodiment of the invention is not limited.
Fig. 5 is a schematic flowchart of a screen sharing processing method according to still another embodiment of the present invention, and as shown in fig. 5, the screen sharing processing method according to the embodiment of the present invention includes:
s501, adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal;
specifically, the mobile terminal and the fixed terminal are in the same NAN cluster, and the NAN cluster may be created by the mobile terminal, the fixed terminal, or even a third-party device. For example, a NAN cluster created by the fixed terminal and becoming a master device of the created NAN cluster may broadcast a discovery beacon frame for discovering devices within a certain range that turn on a NAN function. And when the mobile terminal is in the communication range of the fixed terminal, the mobile terminal can receive the discovery beacon frame and join the NAN cluster created by the fixed terminal according to the discovery beacon frame.
S502, broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
specifically, when the mobile terminal and the fixed terminal are in the same NAN cluster, the fixed terminal broadcasts a service discovery frame in the DW, and the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute. The mobile terminal may receive the service discovery frame. The service discovery frame is preset, a unique screen sharing service identifier is obtained by setting a service name as a screen sharing service, and the service discovery frame is set to include a NAN connection capability attribute and a network connection attribute. The connection capability bitmap is set according to an actual wireless network condition, the network connection attribute corresponds to the connection capability bitmap, for example, when a bit corresponding to P2Ps included in the connection capability bitmap is set to 1, the network connection attribute is a peer-to-peer network attribute, and the fixed terminal may automatically acquire configuration information included in the peer-to-peer network attribute and required for establishing a peer-to-peer network. The mobile terminal is configured with a NAN function, such as a smart phone, a tablet computer, and the like. The fixed terminal is a display device configured with a NAN function, such as a liquid crystal display, a television, and the like.
S503, receiving and displaying information displayed on a screen sent by a mobile terminal through wireless network connection, wherein the wireless network connection is established by the mobile terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after receiving the service discovery frame.
Specifically, after the wireless network connection is established between the mobile terminal and the fixed terminal, the mobile terminal sends information displayed on a screen to the fixed terminal, and the fixed terminal receives the information displayed on the screen and displays the information displayed on the screen. After receiving the service discovery frame, the mobile terminal analyzes the service discovery frame to obtain the screen sharing service identifier, the connection capability bitmap and the network connection attribute. After the mobile terminal obtains the screen sharing service identifier, acquiring the wireless network connection to be established from the connection capability bitmap, and obtaining configuration information required by establishing the wireless network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, so as to establish the wireless network connection with the fixed terminal based on the configuration information. The wireless network connection may be P2Ps or WLAN. The information displayed on the screen may include video information of the mobile terminal in a video conference, video information being played by the mobile terminal, and the like.
According to the screen sharing processing method provided by the embodiment of the invention, the mobile terminal can receive the service discovery frame broadcasted by the fixed terminal, and establishes wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute carried by the service discovery frame, and then sends the information displayed on the screen to the fixed terminal for displaying through the wireless network connection, so that the information displayed on the screen of the mobile terminal is automatically shared to the fixed terminal for displaying, and the screen sharing efficiency is improved.
On the basis of the foregoing embodiments, further, the screen sharing processing method provided in the embodiment of the present invention further includes:
and if the information displayed on the screen is judged and known not to be received within the set time, closing the display screen.
Specifically, the fixed terminal calculates a duration for which the information displayed on the screen is not received since the last time the information displayed on the screen is received, and closes the display screen if the duration is greater than the set time. The set time is set according to actual needs, and the embodiment of the invention is not limited.
Fig. 6 is a signaling interaction diagram of a screen sharing processing method according to an embodiment of the present invention, and as shown in fig. 6, the screen sharing processing method provided in the embodiment of the present invention includes the following flows:
the method comprises the steps that firstly, a NAN cluster can be created after the NAN function of the fixed terminal is activated;
secondly, the fixed terminal is a master device of a NAN cluster and can broadcast a discovery beacon frame, and the mobile terminal can receive the discovery beacon frame and join the NAN cluster created by the fixed terminal according to the discovery beacon frame when being in a communication range of the fixed terminal;
thirdly, broadcasting a service discovery frame at a discovery window by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute;
fourthly, the mobile terminal can receive the service discovery frame and analyze the service discovery frame to obtain the screen sharing service identifier, the connection capability bitmap and the network connection attribute;
fifthly, after obtaining the screen sharing service identifier, the mobile terminal obtains the wireless network connection to be established from the connection capability bitmap, and obtains configuration information required for establishing the wireless network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, so that the wireless network connection is established with the fixed terminal based on the configuration information;
sixthly, after the wireless network connection is established between the mobile terminal and the fixed terminal, the mobile terminal can send information displayed on a screen to the fixed terminal;
and seventhly, the fixed terminal receives the information displayed on the screen and displays the information displayed on the screen.
Fig. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, and as shown in fig. 7, the mobile terminal according to the embodiment of the present invention includes a first adding unit 701, a receiving unit 702, a connecting unit 703 and a sending unit 704, where:
the first adding unit 701 is configured to add a short-distance sensing network cluster, where the short-distance sensing network cluster includes a fixed terminal; the receiving unit 702 is configured to receive a service discovery frame broadcasted by the fixed terminal, where the service discovery frame carries a screen sharing service identifier, a connection capability bitmap, and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; the connection unit 703 is configured to establish a wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap, and the network connection attribute; the sending unit 704 is configured to send information displayed on the screen to the fixed terminal through the wireless network connection for displaying.
Specifically, the mobile terminal and the fixed terminal are in the same NAN cluster, and the NAN cluster may be created by the mobile terminal, the fixed terminal, or even a third-party device. For example, a NAN cluster created by the fixed terminal and becoming a master device of the created NAN cluster may broadcast a discovery beacon frame for discovering devices within a certain range that turn on a NAN function. When the mobile terminal is in the communication range of the fixed terminal, the first joining unit 701 may receive the discovery beacon frame, and join the NAN cluster created by the fixed terminal according to the discovery beacon frame.
When the mobile terminal and the fixed terminal are in the same NAN cluster, the fixed terminal broadcasts a service discovery frame in the DW, and the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute. The receiving unit 702 may receive the service discovery frame. The service discovery frame is preset, a unique screen sharing service identifier is obtained by setting a service name as a screen sharing service, and the service discovery frame is set to include a NAN connection capability attribute and a network connection attribute. The connection capability bitmap is set according to an actual wireless network condition, the network connection attribute corresponds to the connection capability bitmap, for example, when a bit corresponding to P2Ps included in the connection capability bitmap is set to 1, the network connection attribute is a peer-to-peer network attribute, and the fixed terminal may automatically acquire configuration information included in the peer-to-peer network attribute and required for establishing a peer-to-peer network. The mobile terminal is configured with a NAN function, such as a smart phone, a tablet computer, and the like. The fixed terminal is a display device configured with a NAN function, such as a liquid crystal display, a television, and the like.
After receiving the service discovery frame, the connection unit 703 parses the service discovery frame to obtain the screen sharing service identifier, the connection capability bitmap, and the network connection attribute. After obtaining the screen sharing service identifier, the connection unit 703 obtains a wireless network connection to be established from the connection capability bitmap, and obtains configuration information required to establish the wireless network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, so as to establish a wireless network connection with the fixed terminal based on the configuration information, where the wireless network connection is used to transmit video information. The wireless network connection may be P2Ps or WLAN.
After the wireless network connection is established between the mobile terminal and the fixed terminal, the sending unit 704 may send information displayed on a screen to the fixed terminal, and the fixed terminal may receive the information displayed on the screen and then display the information displayed on the screen. The information displayed on the screen may include video information of the mobile terminal in a video conference, video information being played by the mobile terminal, and the like.
According to the mobile terminal provided by the embodiment of the invention, the service discovery frame broadcasted by the fixed terminal can be received, the wireless network connection is established with the fixed terminal according to the screen sharing service identification, the connection capability bitmap and the network connection attribute carried by the service discovery frame, and then the information displayed on the screen is sent to the fixed terminal for displaying through the wireless network connection, so that the information displayed on the screen of the mobile terminal is automatically shared to the fixed terminal for displaying, and the screen sharing efficiency is improved.
The embodiment of the mobile terminal provided in the embodiment of the present invention may be specifically configured to execute the processing flow of the corresponding method embodiment, and the functions of the embodiment are not described herein again, and refer to the detailed description of the corresponding method embodiment.
Fig. 8 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 8, the electronic device includes a first processor (processor)801, a first memory (memory)802, and a first communication bus 803;
the first processor 801 and the first memory 802 complete communication with each other through a first communication bus 803;
the first processor 801 is configured to call program instructions in the first memory 802 to perform a method, for example, comprising: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal; receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute; and sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
The present embodiments disclose a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, the computer is capable of performing a method, for example comprising: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal; receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute; and sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
The present embodiments provide a non-transitory computer readable storage medium storing first computer instructions that cause a computer to perform a method, for example, comprising: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal; receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute; and sending the information displayed on the screen to the fixed terminal for displaying through the wireless network connection.
Fig. 9 is a schematic structural diagram of a fixed terminal according to an embodiment of the present invention, and as shown in fig. 9, the fixed terminal according to the embodiment of the present invention includes a second joining unit 901, a broadcasting unit 902, and a display unit 903, where:
the second joining unit 901 is configured to join a short-distance sensing network cluster, where the short-distance sensing network cluster includes a mobile terminal; the broadcasting unit 902 is configured to broadcast a service discovery frame, where the service discovery frame carries a screen sharing service identifier, a connection capability bitmap, and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; the display unit 903 is configured to receive and display information displayed on a screen sent by the mobile terminal through a wireless network connection, where the wireless network connection is established by the mobile terminal according to the screen sharing service identifier, the connection capability bitmap, and the network connection attribute after receiving the service discovery frame.
Specifically, the mobile terminal and the fixed terminal are in the same NAN cluster, and the NAN cluster may be created by the mobile terminal, the fixed terminal, or even a third-party device. For example, the NAN cluster created by the second joining unit 901 and becoming a master device of the NAN cluster created by the second joining unit may broadcast a discovery beacon frame for discovering devices within a certain range that turn on the NAN function. The mobile terminal may receive the discovery beacon frame when being in the communication range of the second joining unit 901, and join the NAN cluster created by the second joining unit 901 according to the discovery beacon frame.
When the mobile terminal and the fixed terminal are in the same NAN cluster, the broadcasting unit 902 broadcasts a service discovery frame in the DW, where the service discovery frame carries a screen sharing service identifier, a connection capability bitmap, and a network connection attribute. The mobile terminal may receive the service discovery frame. The service discovery frame is preset, a unique screen sharing service identifier is obtained by setting a service name as a screen sharing service, and the service discovery frame is set to include a NAN connection capability attribute and a network connection attribute. The connection capability bitmap is set according to an actual wireless network condition, the network connection attribute corresponds to the connection capability bitmap, for example, when a bit corresponding to P2Ps included in the connection capability bitmap is set to 1, the network connection attribute is a peer-to-peer network attribute, and the fixed terminal may automatically acquire configuration information included in the peer-to-peer network attribute and required for establishing a peer-to-peer network. The mobile terminal is configured with a NAN function, such as a smart phone, a tablet computer, and the like. The fixed terminal is a display device configured with a NAN function, such as a liquid crystal display, a television, and the like.
After the wireless network connection is established between the mobile terminal and the fixed terminal, the mobile terminal sends information displayed on a screen to the display unit 903, and the display unit 903 receives the information displayed on the screen and displays the information displayed on the screen. After receiving the service discovery frame, the mobile terminal analyzes the service discovery frame to obtain the screen sharing service identifier, the connection capability bitmap and the network connection attribute. After the mobile terminal obtains the screen sharing service identifier, acquiring the wireless network connection to be established from the connection capability bitmap, and obtaining configuration information required by establishing the wireless network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, so as to establish the wireless network connection with the fixed terminal based on the configuration information. The wireless network connection may be P2Ps or WLAN. The information displayed on the screen may include video information of the mobile terminal in a video conference, video information being played by the mobile terminal, and the like.
According to the fixed terminal provided by the embodiment of the invention, the mobile terminal can receive the service discovery frame broadcasted by the fixed terminal, and establishes wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute carried by the service discovery frame, and then sends the information displayed on the screen to the fixed terminal for displaying through the wireless network connection, so that the information displayed on the screen of the mobile terminal is automatically shared to the fixed terminal for displaying, and the screen sharing efficiency is improved.
The embodiment of the fixed terminal provided in the embodiment of the present invention may be specifically configured to execute the processing flow of the corresponding method embodiment, and the functions of the embodiment are not described herein again, and refer to the detailed description of the corresponding method embodiment.
Fig. 10 is a schematic physical structure diagram of an electronic device according to another embodiment of the present invention, as shown in fig. 10, the electronic device includes a second processor (processor)1001, a second memory (memory)1002, and a second communication bus 1003;
the second processor 1001 and the second memory 1002 complete communication with each other through a second communication bus 1003;
the second processor 1001 is configured to call program instructions in the second memory 1002 to perform a method, for example, comprising: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal; broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; and receiving and displaying information displayed on a screen sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame.
The present embodiments disclose a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, the computer is capable of performing a method, for example comprising: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal; broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; and receiving and displaying information displayed on a screen sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame.
The present embodiments provide a non-transitory computer readable storage medium storing second computer instructions that cause the computer to perform a method, for example, comprising: adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal; broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap; and receiving and displaying information displayed on a screen sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame.
In addition, the logic instructions in the memory may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, an apparatus, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A screen sharing processing method is characterized by comprising the following steps:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a fixed terminal;
receiving a service discovery frame broadcasted by the fixed terminal, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute; acquiring configuration information for establishing the wireless network connection with the fixed terminal from the network connection attribute corresponding to the wireless network connection, and establishing the wireless network connection with the fixed terminal based on the configuration information, wherein the wireless network connection is used for transmitting video information, and the wireless network connection is P2Ps or WLAN;
sending information displayed on a screen to the fixed terminal for displaying through the wireless network connection;
the performing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute comprises:
popping up prompt information whether to perform screen sharing;
and after receiving confirmation information for carrying out screen sharing, establishing wireless network connection with the fixed terminal according to the screen sharing service identifier, the connection capacity bitmap and the network connection attribute.
2. The method of claim 1, further comprising:
and after the prompt message indicating whether screen sharing is carried out is popped up, if the operation on the prompt message is not detected within a first preset time, the wireless network connection is not established.
3. The method of claim 1, further comprising:
and if the service discovery frame is judged and known not to be received within the second preset time, canceling the information transmission displayed on the screen.
4. A screen sharing processing method is characterized by comprising the following steps:
adding a close-range sensing network cluster, wherein the close-range sensing network cluster comprises a mobile terminal;
broadcasting a service discovery frame, wherein the service discovery frame carries a screen sharing service identifier, a connection capability bitmap and a network connection attribute; wherein the service discovery frame is preset, and the network connection attribute corresponds to the connection capability bitmap;
receiving and displaying information displayed on a screen and sent by the mobile terminal through wireless network connection, wherein the wireless network connection is established according to the screen sharing service identifier, the connection capability bitmap and the network connection attribute after the mobile terminal receives the service discovery frame;
obtaining configuration information from the network connection attribute corresponding to the wireless network connection, and establishing the wireless network connection based on the configuration information, wherein the wireless network connection is used for transmitting video information, and the wireless network connection is P2Ps or WLAN.
5. The method of claim 4, further comprising:
and if the information displayed on the screen is judged and known not to be received within the set time, closing the display screen.
6. An electronic device, comprising: a first processor, a first memory, and a first communication bus, wherein:
the first processor and the first memory complete mutual communication through the first communication bus;
the first memory stores program instructions executable by the first processor, the first processor invoking the program instructions to perform the method of any of claims 1 to 3.
7. A non-transitory computer-readable storage medium storing first computer instructions that cause a computer to perform the method of any one of claims 1 to 3.
8. An electronic device, comprising: a second processor, a second memory, and a second communication bus, wherein:
the second processor and the second memory complete mutual communication through the second communication bus;
the second memory stores program instructions executable by the second processor, the second processor invoking the program instructions to perform the method of claim 4 or 5.
9. A non-transitory computer-readable storage medium storing second computer instructions that cause the computer to perform the method of claim 4 or 5.
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| US10057342B2 (en) * | 2014-09-05 | 2018-08-21 | Qualcomm Incorporated | Infrastructure access via neighbor awareness networking data path |
| US20160285630A1 (en) * | 2015-03-23 | 2016-09-29 | Qualcomm Incorporated | Private service identifiers in neighborhood aware networks |
| CN107852590B (en) * | 2015-07-21 | 2021-08-24 | Lg 电子株式会社 | Method and apparatus for performing discovery in wireless communication system |
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