CN111405351A - Multi-party display method and multi-party display system - Google Patents
Multi-party display method and multi-party display system Download PDFInfo
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- CN111405351A CN111405351A CN202010313276.0A CN202010313276A CN111405351A CN 111405351 A CN111405351 A CN 111405351A CN 202010313276 A CN202010313276 A CN 202010313276A CN 111405351 A CN111405351 A CN 111405351A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6375—Control signals issued by the client directed to the server or network components for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
Abstract
The invention provides a multi-party display method and a multi-party display system, wherein the method comprises the following steps: the receiving end sets the same group code number to form a multi-projection group; the receiving ends in the multi-party projection group are set to be in the same group configuration so as to enable the receiving ends and the sending ends to be synchronous; the receiving end is connected with the sending end entity so as to transmit the group configuration of the receiving end to the sending end for storage and synchronization; the receiving end is started and sends an awakening notice, the sending end is started and broadcasts to obtain the feedback of the receiving end, the sending end stops broadcasting after waiting for the preset time after receiving the feedback of the receiving end, and the receiving end obtained in the broadcasting period is combined into a receiving end serial; the sending end sends multimedia data of multimedia to the receiving end serial so as to realize multi-party display through the receiving end serial. Compared with the prior art, the multi-party display method and the multi-party display system have simple operation and convenient use for users.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of display, and in particular, to a multi-party display method and a multi-party display system.
[ background of the invention ]
The multi-party display method is that at least one sending end is used for transmitting multimedia data to a receiving end through a wireless network, and then the multimedia data are displayed through a plurality of displays.
In the related art, the multiparty display method generally uses Transmission Control Protocol (TCP) Transmission or User Datagram Protocol (UDP) Transmission to transmit multimedia data to a receiving end. However, in the related art, if data transmission is performed by using UDP, situations such as image breakage and jamming are easily caused by data loss; if the TCP is used to transmit data, although it can be guaranteed that the data can be accurately transmitted to the receiving end, the network load is increased, which affects the network.
Therefore, there is a need to provide a new multi-party display method and related apparatus to solve the above-mentioned technical problems.
[ summary of the invention ]
The invention aims to provide a multiparty display method, which solves the problem of network congestion of data transmission during multiparty screen projection.
In order to achieve the above object, the present invention provides a multi-party display method, which is applied to a multi-party display system, and the multi-party display method comprises the following steps:
step S11, a plurality of receiving terminals are set to have the same group code number, so that the plurality of receiving terminals form a multi-party projection group; each receiving end in the same multi-party projection group can receive and display multimedia data sent by the same sending end;
step S12, setting the same group configuration for each receiving end in the multi-party projection group, so as to synchronize each receiving end with the transmitting end; the group configuration comprises receiving configuration information of the multimedia data, wherein the configuration information comprises the group code number, a router service set identifier, a router password, a password mode, an internet protocol address and a media access control address;
step S13, connecting any receiving end of the multi-party projection group with the sending end entity, so as to transmit the group configuration of the receiving end to the sending end for storage and synchronization, so that the multi-party projection group and the sending end are paired to form a display group; the sending end in the same display group can search the receiving end in the display group and can send the multimedia data to any receiving end in the display group;
step S14, the receiving end is started and sends an arousal notice, and the arousal notice comprises the group code number set by the receiving end;
step S15, the receiving end receives a broadcast from a sender, the broadcast is sent after the sender receives the wake-up notification and the broadcast is used to notify the receiving end in the display group to prepare to accept the multimedia data; if yes, waiting to receive the multimedia data and projecting; and if not, continuing to send the application notification.
Preferably, step S16 is further included after step S15, and the receiving end further includes a transmission queue, where the transmission queue obtains the cipher packet from the parcel queue, circulates the transmission queue, and inserts a transmission control protocol for the cipher packet so that the receiving end controls projection; monitoring each transmission queue through the sending end and setting a maximum working value and a minimum working value, if the transmission queue exceeds the maximum value, stopping obtaining the password packet until the transmission queue is smaller than the minimum working value, receiving a decoding frame and restarting packaging the password packet; setting an overtime release program of a transmission control protocol by the sending end to detect that the receiving end has no early warning disconnection, and if the receiving end is disconnected, performing the step S14 again; the wrapping queue is a transmission channel from the sending end to the receiving end, the password packet is the number of the receiving ends recorded by the sending end based on the receiving ends in serial, an encoder is used for adjusting the resolution, the frame rate and the bit rate of encoding to form an encoding frame, and the encoding frame is packaged to form the password packet.
The present invention also provides a computer storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the multi-party display method as described above.
The invention also provides a multi-party display method, which is applied to the multi-party display system and comprises the following steps:
step S21, the sending end is physically connected to any one of the receiving ends of the multi-projection group to transmit the group configuration of the receiving end to the sending end for storage and synchronization, so that the sending end and the multi-projection group are paired to form a display group;
the sending end in the same display group can search the receiving end in the display group and can send the multimedia data to any receiving end in the display group; the multi-party projection group comprises a plurality of receiving ends with the same group code and group configuration, and each receiving end in the same multi-party projection group can receive and display the multimedia data sent by the sending end; the group configuration comprises receiving configuration information of the multimedia data, wherein the configuration information comprises the group code number, a router service set identifier, a router password, a password mode, an internet protocol address and a media access control address;
step S22, the sending end is started and broadcasts to obtain the feedback of the receiving end, when the sending end receives the feedback of the receiving end, the broadcasting is stopped after waiting for the preset time, and all the receiving ends obtained in the broadcasting period form a receiving end serial; the feedback of the receiving end has the same group code number, internet protocol address and media access control address as the sending end;
step S23, the sending end sends the multimedia data of multimedia to the receiving end serial to realize multi-party display through the receiving end serial.
Preferably, the preset time is 3 seconds.
Preferably, the method further includes step S221 after step S22, and the transmitter repeats step S22 if receiving the feedback from the receiver during the period of broadcast stop.
Preferably, the step S23 is followed by a step S24, where the sending end sends the multimedia data to the receiving end automatically if the sending end receives the feedback of the new receiving end, so that the multimedia data are displayed synchronously.
Preferably, step S231 is further included after step S23, where the sending end adjusts, based on the number of the receiving ends recorded in series by the receiving ends, the resolution, the frame rate, and the bit rate of encoding by using an encoder to form an encoding frame, encapsulates the encoding frame into a cipher packet, transmits the cipher packet to a transmission queue of the receiving end through a wrapping queue, obtains the cipher packet and circulates the transmission queue, and inserts a transmission control protocol to control projection of the receiving end; the package queue is a transmission channel from the sending end to the receiving end;
the sending end monitors each transmission queue and sets a maximum working value and a minimum working value during the transmission of the password packet, and if the transmission queue exceeds the maximum value, the sending end stops obtaining the password packet until the transmission queue is smaller than the minimum working value, receives a decoding frame and restarts the packaging of the password packet;
the sending end sets a transmission control protocol timeout releasing program to detect that the receiving end has no early warning drop, and if the receiving end drops, the step S22 is performed again.
The present invention also provides a computer storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the multi-party display method as described above.
The present invention also provides a multi-party display system, comprising: the system comprises a sending end, a receiving end, a router and a display, wherein the sending end and the receiving end are both connected with the router, and the display is connected with the receiving end;
the transmitting end comprises a memory and a processor, wherein the memory stores a computer program, and the processor processes the computer program to execute the steps of the multi-party display method; the receiving end comprises a memory and a processor, wherein the memory stores a computer program, and the processor processes the computer program to execute the steps of the multi-party display method.
Compared with the prior art, in the multi-party display method, any receiving end of the multi-party projection group is physically connected with the sending end so as to transmit the group configuration of the receiving end to the sending end for storage and synchronization, so that the multi-party projection group and the sending end are paired to form a display group; the sending end in the same display group can search the receiving end in the display group and send the multimedia data to any receiving end in the display group, the operation is simple, the user can use the multimedia data conveniently, and the problem of network congestion of data transmission during multi-party screen projection is solved; the invention also provides a computer storage medium for executing the multi-party display method and a multi-party display system, which can finish projection rapidly and have high safety.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a multi-display system according to the present invention;
FIG. 2 is a flow chart illustrating a multi-party display method according to the present invention;
FIG. 3 is a flow chart of another multi-party display method according to the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a multi-party display system 100 according to the present invention, wherein the multi-party display system 100 includes: the system comprises a sending end 4, a receiving end 2, a router 3 and a display 1, wherein the sending end 4 and the receiving end 2 are both connected with the router 3, and the display 1 is connected with the receiving end 2;
in this embodiment, the multi-party display system 100 further includes a multimedia source 5, the multimedia source 5 is connected to the sending end 4 to provide multimedia video content, and the multimedia source 5 includes a handheld device, a game machine, a personal computer, a digital versatile disc player, and the like.
The sending end 4 further comprises a first interface, a second interface and a third interface; the first interface is a network interface, and the network interface is a wired network interface or a wireless network interface and is used for being connected with the router 3; the second interface is a universal bus interface or a high-definition multimedia interface or a Display Port (Display Port interface) and is used for being connected with the multimedia source 5; the third interface is a universal bus interface and is used for being physically connected with the receiving end 2.
The receiving terminal 2 further comprises a fourth Interface, a fifth Interface and a sixth Interface, the fourth Interface is a network Interface, the network Interface is a wired network Interface or a wireless network Interface and is used for being connected with the router 3, the fifth Interface is used for being connected with the display 1, the fifth Interface is any One of a general bus Interface, a high-definition multimedia Interface, a DisplayPort Interface, a low-Voltage Differential signal Interface (L ow Voltage Differential Signaling Interface, L VDS Interface), a Transistor-Transistor logic Interface (Transistor-Transistor logic L Interface, TT L Interface), a V-by-One Interface and a Mobile Industry Processor Interface (MIPI), the sixth Interface is a general bus Interface and is used for being physically connected with the receiving terminal 2, and the operation is simple and the use is convenient for users.
Referring to fig. 2, the present invention provides a multi-party display method, which is applied to a multi-party display system 100, and the multi-party display method includes the following steps:
step S11, setting a plurality of receiving terminals 2 with the same group code number, so that the plurality of receiving terminals 2 form a multi-party projection group; each of the receiving terminals 2 in the same multi-party projection group can receive and display multimedia data sent by the same sending terminal 4.
The group code includes at least one of numbers, letters, punctuations and patterns, i.e., at least one of recognizable symbols or characters.
Step S12, setting the same group configuration for each receiving end 2 in the multi-party projection group, so as to synchronize each receiving end 2 with the transmitting end 4; the group configuration includes receiving configuration information of the multimedia data, the configuration information including the group number, a router service set identifier, a router password, a cryptographic method, an internet protocol address, and a media access control address.
Step S13, physically connecting any one of the receiving terminals 2 of the multi-party projection group with the transmitting terminal 4, so as to transmit the group configuration of the receiving terminal 2 to the transmitting terminal 4 for storage and synchronization, so that the multi-party projection group and the transmitting terminal 4 are paired to form a display group; the sending end 4 in the same display group can search the receiving end 2 in the display group and can send the multimedia data to any receiving end 2 in the display group.
Step S14, the receiving end 2 powers on and sends an awakening notification, which includes the group code, the ip address and the mac address.
Step S15, the receiving end 2 receives a broadcast from a sender, the broadcast is sent after the sender receives the arousal notification and the broadcast is used to notify the receiving ends in the display group to prepare to accept the multimedia data; if yes, waiting to receive the multimedia data and projecting; and if not, continuing to send the application notification.
Step S16, the receiving end further includes a transfer queue, where the transfer queue obtains the cipher packet from the parcel queue, circulates the transfer queue, and inserts a transmission control protocol for the cipher packet so that the receiving end controls projection; monitoring each transmission queue through the sending end and setting a maximum working value and a minimum working value, if the transmission queue exceeds the maximum value, stopping obtaining the password packet until the transmission queue is smaller than the minimum working value, receiving a decoding frame and restarting packaging the password packet; setting an overtime release program of a transmission control protocol by the sending end to detect that the receiving end has no early warning disconnection, and if the receiving end is disconnected, performing the step S14 again; the wrapping queue is a transmission channel from the sending end to the receiving end, the password packet is the number of the receiving ends recorded by the sending end based on the receiving ends in serial, an encoder is used for adjusting the resolution, the frame rate and the bit rate of encoding to form an encoding frame, and the encoding frame is packaged to form the password packet.
By the multi-party display method, each transmission queue is monitored by the sending end and a maximum working value and a minimum working value are set, if the transmission queue exceeds the maximum value, the password packet is stopped to be obtained until the transmission queue is smaller than the minimum working value, a decoding frame is received, and the password packet is re-opened; the network load condition is indirectly judged by monitoring the Transmission queue, and when the network is congested, frames are actively lost, so that the network load caused by data Transmission by using a Transmission Control Protocol (TCP) is reduced, and the network Transmission efficiency is improved; if the projection is seriously disconnected due to interference or network congestion, automatic re-projection can be realized, and in addition, a new receiving end is on line in the projection process, the projection can be automatically projected without needing to do a projection action again.
The present invention provides a computer storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the multi-party display method as described above.
The invention provides a receiving end 2, wherein the receiving end 2 comprises a memory and a processor, the memory stores a computer program, and the processor processes the computer program to execute the steps of the multi-party display method.
Referring to fig. 3, the present invention provides a multi-party display method, which is applied to a multi-party display system 100, and the multi-party display method includes the following steps:
step S21, the sending end 4 is physically connected to any of the receiving ends 2 of the multi-projection group, so as to transmit the group configuration of the receiving end 2 to the sending end 4 for storage and synchronization, so that the sending end 4 and the multi-projection group are paired to form a display group.
The sending end 4 in the same display group can search the receiving end 2 in the display group and send the multimedia data to any receiving end 2 in the display group; wherein, the multi-party projection group comprises a plurality of receiving terminals 2 with the same group code and group configuration, and each receiving terminal 2 in the same multi-party projection group can receive and display the multimedia data sent by the sending terminal 4; the group configuration includes receiving configuration information of the multimedia data, the configuration information including the group number, a router service set identifier, a router password, a cryptographic method, an internet protocol address, and a media access control address.
Step S22, the sending end 4 starts up and broadcasts to obtain the feedback of the receiving end, when the sending end 4 receives the feedback of the receiving end 2, the broadcasting is stopped after waiting for a preset time, and all the receiving ends 2 obtained during the broadcasting period form a receiving end serial; the feedback of the receiving end 2 has the same group code, internet protocol address and mac address as the sending end 4.
In this embodiment, the preset time is 3 seconds.
Step S221, if the sender 4 receives the feedback from the receiver 2 during the broadcast stop period, repeat step S22.
Step S23, the sending end 4 sends the multimedia data of multimedia to the receiving end serial, so as to implement multi-party display through the receiving end serial.
Step S231, the sending end 4 adjusts the resolution, the frame rate, and the bit rate of the code to form a coding frame by using an encoder based on the number of the receiving ends 2 recorded by the receiving end serial, encapsulates the coding frame into a cipher packet, transmits the cipher packet to a transmission queue of the receiving end 2 through a wrapping queue, obtains the cipher packet and circulates the transmission queue, and inserts the transmission control protocol to control the projection of the receiving end 2; the package queue is a transmission channel from the sending end to the receiving end;
the sending end 4 monitors each transmission queue and sets a maximum working value and a minimum working value during the transmission of the password packet, and if the transmission queue exceeds the maximum value, the sending end stops obtaining the password packet until the transmission queue is smaller than the minimum working value, receives a decoding frame and restarts the packaging of the password packet;
the sending end 4 sets a transmission control protocol timeout releasing procedure to detect that the receiving end has no early warning drop, and if the receiving end drops, the step S22 is performed again.
Step S24, if the sending end 4 sends the multimedia data deadline and receives the new feedback from the receiving end 2, it automatically sends the multimedia data to the receiving end 2, so that the multimedia data is synchronously displayed.
By the multi-party display method, a sending end monitors each transfer queue and sets a maximum working value and a minimum working value, if the transfer queue exceeds the maximum value, the password packet is stopped to be obtained until the transfer queue is smaller than the minimum working value and a decoding frame is received; restarting an encapsulated password packet, and transmitting the password packet to a receiving end through a wrapping queue between a transmitting end and the receiving end; the network load condition is indirectly judged by monitoring the transmission queue, and frames are actively lost when the network is congested, so that the network load caused by data transmission by utilizing TCP is reduced, and the network transmission efficiency is improved; if the projection is seriously disconnected due to interference or network congestion, automatic re-projection can be realized, and in addition, a new receiving end is on line in the projection process, the projection can be automatically projected without needing to do a projection action again.
The present invention provides a computer storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the multi-party display method as described above.
The invention provides a sending end 4, wherein the sending end 4 comprises a memory and a processor, the memory stores a computer program, and the processor processes the computer program to execute the steps of the multi-party display method.
Compared with the prior art, in the multi-party display method, any receiving end of the multi-party projection group is physically connected with the sending end so as to transmit the group configuration of the receiving end to the sending end for storage and synchronization, so that the multi-party projection group and the sending end are paired to form a display group; the sending end in the same display group can search the receiving end in the display group and send the multimedia data to any receiving end in the display group, the operation is simple, the user can use the multimedia data conveniently, and the problem of network congestion of data transmission during multi-party screen projection is solved; the invention also provides a computer storage medium for executing the multi-party display method and a multi-party display system, which can finish projection rapidly and have high safety.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A multi-party display method is applied to a multi-party display system, and is characterized by comprising the following steps:
step S11, a plurality of receiving terminals are set to have the same group code number, so that the plurality of receiving terminals form a multi-party projection group; each receiving end in the same multi-party projection group can receive and display multimedia data sent by the same sending end;
step S12, setting the same group configuration for each receiving end in the multi-party projection group, so as to synchronize each receiving end with the transmitting end; the group configuration comprises receiving configuration information of the multimedia data, wherein the configuration information comprises the group code number, a router service set identifier, a router password, a password mode, an internet protocol address and a media access control address;
step S13, connecting any receiving end of the multi-party projection group with the sending end entity, so as to transmit the group configuration of the receiving end to the sending end for storage and synchronization, so that the multi-party projection group and the sending end are paired to form a display group; the sending end in the same display group can search the receiving end in the display group and can send the multimedia data to any receiving end in the display group;
step S14, the receiving end is powered on and sends an awakening notification, which includes the group code, the ip address and the mac address set therein;
step S15, the receiving end receives a broadcast from a sender, the broadcast is sent after the sender receives the wake-up notification and the broadcast is used to notify the receiving end in the display group to prepare to accept the multimedia data; if yes, waiting to receive the multimedia data and projecting; and if not, continuing to send the application notification.
2. The multiparty display method of claim 1, wherein said step S15 is followed by step S16, and said receiving end further comprises a delivery queue, said delivery queue taking said cryptogram packets from said wrapping queue, looping said delivery queue and doing a tcp insertion thereto to enable said receiving end to control projection; monitoring each transmission queue through the sending end and setting a maximum working value and a minimum working value, if the transmission queue exceeds the maximum value, stopping obtaining the password packet until the transmission queue is smaller than the minimum working value, receiving a decoding frame and restarting packaging the password packet; setting an overtime release program of a transmission control protocol by the sending end to detect that the receiving end has no early warning disconnection, and if the receiving end is disconnected, performing the step S14 again; the wrapping queue is a transmission channel from the sending end to the receiving end, the password packet is the number of the receiving ends recorded by the sending end based on the receiving ends in serial, an encoder is used for adjusting the resolution, the frame rate and the bit rate of encoding to form an encoding frame, and the encoding frame is packaged to form the password packet.
3. A multi-party display method is applied to a multi-party display system, and is characterized by comprising the following steps:
step S21, the sending end is physically connected to any one of the receiving ends of the multi-projection group to transmit the group configuration of the receiving end to the sending end for storage and synchronization, so that the sending end and the multi-projection group are paired to form a display group;
the sending end in the same display group can search the receiving end in the display group and can send the multimedia data to any receiving end in the display group; the multi-party projection group comprises a plurality of receiving ends with the same group code and group configuration, and each receiving end in the same multi-party projection group can receive and display the multimedia data sent by the sending end; the group configuration comprises receiving configuration information of the multimedia data, wherein the configuration information comprises the group code number, a router service set identifier, a router password, a password mode, an internet protocol address and a media access control address;
step S22, the sending end is started and broadcasts to obtain the feedback of the receiving end, when the sending end receives the feedback of the receiving end, the broadcasting is stopped after waiting for the preset time, and all the receiving ends obtained in the broadcasting period form a receiving end serial; the feedback of the receiving end has the same group code number, internet protocol address and media access control address as the sending end;
step S23, the sending end sends the multimedia data of multimedia to the receiving end serial to realize multi-party display through the receiving end serial.
4. The multiparty display method of claim 3, wherein said predetermined time is 3 seconds.
5. The multiparty display method as claimed in claim 3, further comprising a step S221 after the step S22, wherein the transmitting end repeats the step S22 if receiving the feedback from the receiving end during the stop of broadcasting.
6. The multiparty display method as claimed in claim 5, wherein said step S23 is followed by a step S24, wherein said transmitting end automatically transmits said multimedia data to said receiving end for synchronous display if said transmitting end transmits said multimedia data deadline and receives said feedback from said receiving end.
7. The multiparty display method according to claim 6, further comprising a step S231 after the step S23, wherein the sending end uses an encoder to adjust the resolution, the frame rate and the bit rate of the encoding to form an encoding frame based on the number of the receiving ends serially recorded by the receiving ends, encapsulates the encoding frame into a cipher packet, transmits the cipher packet to a transmission queue of the receiving ends through a wrapping queue, obtains the cipher packet and circulates the transmission queue, and inserts a transmission control protocol to control the projection of the receiving ends; the package queue is a transmission channel from the sending end to the receiving end;
the sending end monitors each transmission queue and sets a maximum working value and a minimum working value during the transmission of the password packet, and if the transmission queue exceeds the maximum value, the sending end stops obtaining the password packet until the transmission queue is smaller than the minimum working value, receives a decoding frame and restarts the packaging of the password packet;
the sending end sets a transmission control protocol timeout releasing program to detect that the receiving end has no early warning drop, and if the receiving end drops, the step S22 is performed again.
8. A computer storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the steps of the multiparty display method according to any one of claims 1 to 2.
9. A computer storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the steps of the multiparty display method according to any one of claims 3 to 7.
10. A multi-party display system, the multi-party display system comprising: the system comprises a sending end, a receiving end, a router and a display, wherein the sending end and the receiving end are both connected with the router, and the display is connected with the receiving end;
the transmitting end includes a memory storing a computer program and a processor processing the computer program to perform the steps of the multiparty display method according to any one of claims 3 to 7; the receiving end comprises a memory storing a computer program and a processor processing the computer program to perform the steps of the multiparty display method according to any of the claims 1-2.
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