CN109327728A - One kind is one-to-many to shield together methods, devices and systems, with screen equipment and storage medium - Google Patents
One kind is one-to-many to shield together methods, devices and systems, with screen equipment and storage medium Download PDFInfo
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- CN109327728A CN109327728A CN201811407866.9A CN201811407866A CN109327728A CN 109327728 A CN109327728 A CN 109327728A CN 201811407866 A CN201811407866 A CN 201811407866A CN 109327728 A CN109327728 A CN 109327728A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000004590 computer program Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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 stream to a specific local network, e.g. a Bluetooth® network
-
- 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 stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
-
- 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 stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of one-to-many same screen methods, devices and systems, with screen equipment and storage medium, method includes: the throwing screen content for obtaining first terminal and sending, and the screen content of throwing is to carry out recording the audio and video data streams that coding generates to the screen of the first terminal；It will be shown after throwing screen content decoding in throwing screen window；Itself screen is carried out to record coding generation split screen content；The split screen content is respectively sent to multiple second terminals.The present invention is by recording coding after screen content decoding output again and generate split screen content to throwing, then split screen content is respectively sent to multiple second terminals, realizes one-to-many with screen.
Description
Technical field
The present invention relates to multimedia technology fields, more particularly to a kind of one-to-many same screen methods, devices and systems, same screen to set
Standby and storage medium.
Background technique
In the prior art, by the way that computer and mobile phone to be connected under the same wifi, it can be realized the same of mobile phone and computer
Screen.Currently, this screen content by a terminal mainly has via the wireless same screen technology that wifi is transferred to another terminal
Three kinds: DLNA, AirPlay, Miracast.Wherein, DLNA is to carry out networking based on UPNP, can be with the existing more matchmakers of radio play
Body resource or file, support screen does not project.Miracast, i.e. WifiDisplay are the nothings based on wifi direct
Line shows standard, it can be achieved that wireless throw screen, but it is slower to establish connection procedure, not easy to operate, experiences bad.AirPlay, branch
It holds file and plays and throw screen, but the affiliate for being more only applicable to the apple equipment authenticated and some apple authorizations sets
It is standby.
Above technical scheme is mainly used in one-to-one throwing screen scene, do not adapt in teaching field tens even on
The same screen of hundred terminals.
Summary of the invention
The purpose of the present invention is to provide a kind of one-to-many same screen method, apparatus, equipment and systems, to solve above-mentioned background
The problem of being proposed in technology.
According to an aspect of the present invention, a kind of one-to-many same screen method is provided, comprising:
The throwing screen content that first terminal is sent is obtained, the throwing screen content is to record to the screen of the first terminal
Encode the audio and video data streams generated；
It will be shown after throwing screen content decoding in throwing screen window；
Itself screen is carried out to record coding generation split screen content；
The split screen content is respectively sent to multiple second terminals.
In one embodiment of the invention, the throwing screen content is encoded using the first coding quality, the split screen
Content is encoded using the second coding quality, and first coding quality is higher than the second coding quality.
In one embodiment of the invention, it according to the quantity of second terminal and is presently in the performance of network and determines
Two coding qualities.
In one embodiment of the invention, first coding quality and second coding quality include: bit rate,
Resolution ratio and frame rate.
In one embodiment of the invention, include: before the throwing screen content for obtaining first terminal transmission
It monitors and throws screen serve port, established with first terminal and throw screen session connection；
Include: before the split screen content is respectively sent to multiple second terminals
Split screen serve port is monitored, establishes split screen session connection with each second terminal respectively.
In one embodiment of the invention, the throwing screen content for obtaining first terminal and sending, shields content for the throwing
It is shown after decoding in throwing screen window specifically:
It receives first terminal is sent first and starts transmission instruction, decoder and throwing screen window are initialized；
The throwing screen content-data that first terminal is sent is received, is throwing screen window after throwing screen content-data is decoded
It is shown；
Receiving first terminal is sent first terminates transmission instruction, discharges decoder and closes and throws screen window.
In one embodiment of the invention, the method also includes:
The area-of-interest idsplay order that first terminal is sent is received, the area-of-interest idsplay order includes interested
The size and location in region；
Image after the throwing screen content-data is decoded is intercepted according to the size and location of area-of-interest,
And the image after interception is converted and is shown in throwing screen window.
In one embodiment of the invention, include: before the split screen content being respectively sent to multiple second terminals
One write buffer is set for each split screen session connection, the write buffer is provided with high water level threshold value and low water level
Threshold value；
When write buffer reaches high water level threshold value, split screen content-data is written for stopping；
When write buffer drops to low level threshold, restore the write-in of split screen content-data.
According to an aspect of the present invention, a kind of one-to-many same screen device is provided, comprising:
It throws screen content and obtains module, for obtaining the throwing screen content of first terminal transmission, the throwing screen content is to described
The screen of first terminal carries out recording the audio and video data streams that coding generates；
Screen output module is thrown, will be shown after throwing screen content decoding in throwing screen window；
Split screen content generating module carries out itself screen to record coding generation split screen content；
The split screen content is respectively sent to multiple second terminals by split screen content sending module.
In one embodiment of the invention, the throwing screen content is encoded using the first coding quality, the split screen
Content is encoded using the second coding quality, and first coding quality is higher than the second coding quality.
In one embodiment of the invention, the same screen device realizes same screen side described in any of the above embodiments for executing
The operation of method.
According to an aspect of the present invention, a kind of one-to-many same screen device, including memory and processor are provided, in which:
Memory, for storing instruction；
Processor, for executing described instruction, so that the same screen device, which executes, realizes same screen described in any of the above embodiments
The operation of method.
According to an aspect of the present invention, a kind of same screen equipment, including same screen device described in any of the above embodiments are provided.
According to an aspect of the present invention, a kind of computer readable storage medium is provided, computer program is stored thereon with,
The step of computer program realizes method described in any of the above embodiments when being executed by processor.
According to an aspect of the present invention, a kind of one-to-many same screen system is provided, including first terminal, described above same
Screen equipment, multiple second terminals, wherein
First terminal record coding and generate to throw for the screen to itself shielding content, will throw screen content and be sent to together
Screen equipment；
Same screen equipment is throwing screen window after content decoding is shielded in the throwing for obtaining the throwing screen content of first terminal transmission
It mouthful is shown, carries out recording coding generating split screen content to itself screen, the split screen content is respectively sent to multiple the
Two terminals；
Second terminal will be shown for receiving the split screen content sent with screen equipment after the split screen content decoding.
In one embodiment of the invention, the same screen system further includes AP, and first terminal and multiple second terminals are logical
It crosses wifi and is connected to the AP, the AP is connected to by cable or wifi with screen equipment.
In one embodiment of the invention, the same screen system further includes the display dress docked with the same screen equipment
It sets, the same screen equipment is also used to throw screen window and itself desktop is shown by the display device.
In one embodiment of the invention, the throwing screen content is encoded using the first coding quality, the split screen
Content is encoded using the second coding quality, and first coding quality is higher than the second coding quality.
In one embodiment of the invention, the same screen equipment be also used to according to the IP address of itself generate two dimensional code into
Row is shown；The first terminal is also used to scan the two dimensional code and the same screen equipment is established and throws screen session connection, will be described
IP address with screen equipment is sent to multiple second terminals；IP address and the same screen of the second terminal according to the same screen equipment
Equipment establishes split screen session connection.
Implement the embodiment of the present invention, will have the following beneficial effects:
The embodiment of the present invention is by recording coding after screen content decoding output again and generate split screen content to throwing, then by split screen
Content is respectively sent to multiple second terminals, realizes one-to-many with screen.Shield content and split screen content using different coding to throwing
Quality carries out recording coding, not only ensure that the high-quality of large-size screen monitors output picture, moreover, but also each second terminal low can prolong
Chi Tongping.It both can be by the throwing screen content of first terminal with screen to each the in addition, carrying out recording coding again at same screen equipment end
Two terminals can also will enhance the flexibility with screen with screen equipment itself desktop with screen to each second terminal.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Wherein:
Fig. 1 is a kind of one-to-many flow chart with screen method in one embodiment of the invention；
Fig. 2 is a kind of one-to-many flow chart with screen method in another embodiment of the present invention,
Fig. 3 is a kind of structure chart of one-to-many same screen device in one embodiment of the invention；
Fig. 4 is a kind of structure chart of one-to-many same screen device in another embodiment of the present invention；
Fig. 5 is a kind of structure chart of one-to-many same screen system in one embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, for the one-to-many flow chart with screen method a kind of in one embodiment of the invention.Preferably, this reality
Applying example can be executed by same screen device.Method includes the following steps:
Step S102, obtains the throwing screen content that first terminal is sent, it is described throw screen content be to the screen of first terminal into
Row records the audio and video data streams that coding generates.
In one embodiment of the invention, first terminal, multiple second terminals, with screen device with same AP
(Access Point, radio access node) establishes network connection, wherein first terminal, multiple second terminals and the AP pass through
Wifi establishes wireless network connection, wireless network connection can be not only established by wifi with screen device and the AP, but also can pass through cable
Establish cable network connection.In order to ensure the quality of transmission, it is preferred that establish cable network by cable with screen device and the AP
Connection.
After screen device starting, the IP address generation two dimensional code for obtaining itself is shown.First terminal scans the two dimension
Code can establish communication connection with same screen device.In one embodiment of the invention, same screen device is stored in first terminal
IP address, user can establish communication connection with same screen device by clicking or touching respective keys.First terminal is to itself screen
H.264 and AAC curtain is recorded, and recorded content includes audio and video, and audio/video coding mode can be used.When picture dynamic rate
When higher, frame rate reaches as high as 40 frames or more, poses a big pressure to bandwidth, is not able to satisfy the requirement of real-time Transmission broadcasting.
In order to realize effective frame rate control, frame speed can be stored up and adjusted in hardware performance allowed band by setting second level unloading
Rate reaches under the conditions of comparable bandwidths, improves the purpose of image quality and fluency.
In one embodiment of the invention, it throws screen content to be encoded using the first coding quality, the first coding matter
Amount can be preset, and can also be dynamically determined according to the performance of first terminal with network state is presently in by program.First compiles
Code quality includes bit rate, resolution ratio and frame rate.
Step S104 will throw and be shown after shielding content decoding in throwing screen window.
The throwing screen window is the virtual window of software setting, the broadcast window of similar video player.It will connect with screen device
After connecting display device, screen content is thrown by throwing screen window and is output to display device.
Step S106 carries out itself screen to record coding generation split screen content.
In one embodiment of the invention, itself screen is carried out with screen device recording coding generation split screen content, institute
Split screen content is stated to be encoded using the second coding quality.Since split screen content needs to be synchronized to tens a second terminals up to a hundred,
In order to ensure low latency with shielding, the second coding quality is lower than the first coding quality, can quantity according to second terminal and current institute
Locate the performance of network to be set dynamically.Ibid, the second coding quality also includes bit rate, resolution ratio and frame rate.In this step,
It, both can be by the throwing screen content of first terminal with screen to each second with screen device by recording coding again to itself screen content
Terminal can also will enhance the flexibility with screen with screen device itself desktop with screen to each second terminal.
Split screen content is respectively sent to multiple second terminals by step S108.
In one embodiment of the invention, the IP address of same screen device is sent to each second terminal by first terminal, with
Make second terminal and establishes communication connection with screen device；Alternatively, second terminal is by scanning with the IP address two dimensional code of screen device
Communication connection is established with same screen device.
As shown in Fig. 2, for the one-to-many flow chart with screen method a kind of in another embodiment of the present invention.Preferably, originally
Embodiment can be executed by same screen device.Method includes the following steps:
Step S202 is monitored and is thrown screen serve port, is established with first terminal and is thrown screen session connection；Monitor split screen server-side
Mouthful, split screen session connection is established with each second terminal respectively.
In one embodiment of the invention, fixed to monitor two serve ports (throwing screen server-side after with screen device starting
Mouth and split screen serve port), wait first terminal and second terminal to establish communication connection therewith.
In one embodiment of the invention, it is also used to generate two dimensional code according to own IP address with screen device and passes through display
Device is shown.First terminal initiates to throw screen session connection request to same screen device according to the IP address of same screen device, with screen
Device obtains the information of first terminal, after carrying out facility registration to it, receives the throwing screen session connection request of first terminal.
In one embodiment of the invention, each second terminal is sent out to same screen device respectively according to the IP address of same screen device
Split screen session connection request is played, the information for obtaining second terminal with screen device receives second terminal after carrying out facility registration to it
Split screen session connection request.
Step S204 receives first terminal is sent first and starts transmission instruction, carries out just to decoder and throwing screen window
Beginningization.
In one embodiment of the invention, first starts in transmission instruction comprising the first coding quality information, such as bit
Rate, resolution ratio and frame rate.Start transmission instruction according to first with screen device to initialize decoder and throwing screen window.
Step S206 receives the throwing screen content-data that first terminal is sent, after throwing screen content-data is decoded
It is shown throwing screen window.
In one embodiment of the invention, throwing screen content-data includes crucial frame identification, timestamp, data content sum number
According to length.
When recording the screen content of first terminal, system tool column also can be recorded, in order to expand the aobvious of information
Show region, unwanted system work can be removed by setting (region of interest, the area-of-interest) region ROI
Has column region.In addition, the size and location of ROI region can also be arranged in user according to self-demand in first terminal, so that together
Screen device only shows ROI region.
In one embodiment of the invention, the area-of-interest for being also used to receive first terminal transmission with screen device is shown
Instruction, the area-of-interest idsplay order includes the size and location of area-of-interest；Throwing screen content-data is carried out
Decoded image is intercepted according to the size and location of area-of-interest, and is converted to the image after interception and throwing screen
Window is shown.
Step S202~step S206 is realized the throwing screen process of first terminal screen content to same screen device.Further
Ground needs to throw screen content with screen to each second terminal for establishing communication connection with same screen device.
Step S208 carries out itself screen to record coding generation split screen content.
The step is identical as Fig. 1 embodiment, and details are not described herein.
Step S210 sends second and starts transmission instruction to second terminal.
Before transmission divides content-data, second comprising bit rate, resolution ratio and frame rate is started with screen device
Transmission instruction is sent to second terminal.
Step S212 sends split screen content-data to second terminal.
In one embodiment of the invention, split screen content-data includes crucial frame identification, timestamp, data content sum number
According to length.
In one embodiment of the invention, before step S212 further include:
One write buffer is set for each split screen session connection, the write buffer is provided with high water level threshold value and low water level
Threshold value；
When write buffer reaches high water level threshold value, split screen content-data is written for stopping；
When write buffer drops to low level threshold, restore the write-in of split screen content-data.
Step S214, receiving first terminal is sent first terminates transmission instruction, discharges decoder and closes and throws screen window.
Step S216, receive that second terminal sends disconnects request, stopping by split screen content-data be sent to this
Two terminals, and nullify the facility information of second terminal.
It should be noted that step S214 and step S216 are initiated by first terminal and second terminal respectively, and it is unlimited
It is scheduled on last execution.
In one embodiment of the invention, with screen device be also used to receive first terminal transmission disconnect request,
Nullify the facility information of first terminal.
It is provided by the above embodiment one-to-many with screen method, it is given birth to by recording coding again after exporting to throwing screen content decoding
Multiple second terminals are respectively sent at split screen content, then by split screen content, are realized one-to-many with screen.Shield content to throwing and divide
Screen content carries out recording coding using different coding quality, not only ensure that the high-quality of large-size screen monitors output picture, moreover, but also
Each second terminal can be with low latency with screen.
It is illustrated in figure 3 a kind of structure chart of one-to-many same screen device in one embodiment of the invention, including throws screen content
It obtains module 31, throw screen output module 32, split screen content generating module 33 and split screen content sending module 34, in which:
It throws screen content and obtains module 31, for obtaining the throwing screen content of first terminal transmission, the throwing screen content is to institute
The screen for stating first terminal carries out recording the audio and video data streams that coding generates.
In one embodiment of the invention, first terminal, multiple second terminals, with screen device establish net with same AP
Network connection, wherein first terminal, multiple second terminals and the AP establish wireless network connection by wifi, with screen device and are somebody's turn to do
AP can not only establish wireless network connection by wifi, but also cable network connection can be established by cable.In order to ensure the matter of transmission
Amount, it is preferred that cable network is established by cable with the AP with screen device and is connect.
After screen device starting, the IP address generation two dimensional code for obtaining itself is shown.First terminal scans the two dimension
Code can establish communication connection with same screen device.First terminal records itself screen, and recorded content includes audio and video,
H.264 and AAC audio/video coding mode can be used.
In one embodiment of the invention, it throws screen content to be encoded using the first coding quality, the first coding matter
Amount can be preset, can also be by dynamically being set according to the performance of first terminal with network state is presently in.First coding matter
Amount includes bit rate, resolution ratio and frame rate.
Screen output module 32 is thrown, will throw and be shown after shielding content decoding in throwing screen window.
The throwing screen window is the virtual window of software setting, the broadcast window of similar video player.It will connect with screen device
After connecting display device, screen content is thrown by throwing screen window and is output to display device.
Split screen content generating module 33 carries out itself screen to record coding generation split screen content.
In one embodiment of the invention, split screen content generating module 33 carries out recording coding to the screen of same screen device
Split screen content is generated, the split screen content is encoded using the second coding quality, wherein the second coding quality is compiled lower than first
Code quality.The second coding is set dynamically with the performance that screen device is also used to the quantity according to second terminal and is presently in network
Quality.Second coding quality includes bit rate, resolution ratio and frame rate.In this step, pass through with screen device in itself screen
Bulk density newly record coding both can by the throwing screen content of first terminal with screen to each second terminal, can also will be with screen equipment itself
Desktop enhances the flexibility with screen with screen to each second terminal.
Split screen content is respectively sent to multiple second terminals by split screen content sending module 34.
In one embodiment of the invention, the IP address of same screen device is sent to each second terminal by first terminal, with
Make second terminal and establishes split screen session connection with screen device；Alternatively, second terminal is by scanning with the IP address two of screen device
It ties up code and establishes split screen session connection with screen device.
In one embodiment of the invention, the same screen device for execute realize as above-mentioned any embodiment (Fig. 1 or
Fig. 2 embodiment) described in same screen method operation.
One-to-many same screen device provided by the above embodiment, by the way that recording encodes life again to throwing after screen content decoding exports
Multiple second terminals are respectively sent at split screen content, then by split screen content, are realized one-to-many with screen.Shield content to throwing and divide
Screen content carries out recording coding using different coding quality, not only ensure that the high-quality of large-size screen monitors output picture, moreover, but also
Each second terminal can be with low latency with screen.
It is illustrated in figure 4 a kind of structure chart of one-to-many same screen device in another embodiment of the present invention, the throwing screen dress
It sets including memory 41 and processor 42, in which:
Memory 41, for storing the computer program that can be run on processor 42.
Processor 42 realizes such as above-mentioned any embodiment (Fig. 1 so that throwing screen device and executing for executing computer program
Or Fig. 2 embodiment) described in same screen method operation.
One-to-many same screen device provided by the above embodiment, by the way that recording encodes life again to throwing after screen content decoding exports
Multiple second terminals are respectively sent at split screen content, then by split screen content, are realized one-to-many with screen.Shield content to throwing and divide
Screen content carries out recording coding using different coding quality, not only ensure that the high-quality of large-size screen monitors output picture, moreover, but also
Each second terminal can be with low latency with screen.
According to another aspect of the present invention, a kind of same screen equipment is provided, including as (Fig. 3 or Fig. 4 are real for above-mentioned any embodiment
Apply example) described in same screen device.
One-to-many same screen equipment provided by the above embodiment, by the way that recording encodes life again to throwing after screen content decoding exports
Multiple second terminals are respectively sent at split screen content, then by split screen content, are realized one-to-many with screen.Shield content to throwing and divide
Screen content carries out recording coding using different coding quality, not only ensure that the high-quality of large-size screen monitors output picture, moreover, but also
Each second terminal can be with low latency with screen.
According to another aspect of the present invention, a kind of computer readable storage medium, a kind of computer-readable storage medium are provided
Matter, the computer-readable recording medium storage have computer program, realize when the computer program is executed by reservoir as above
Same screen method described in any embodiment (such as Fig. 1 or Fig. 2 embodiment) is stated, can be applied in smart machine；Aforementioned implementation
Substantially all or part of the part that contributes to existing technology or the technical solution can in other words for the technical solution of example
To be expressed in the form of software products, which is stored in a storage medium, including some instructions
With so that a computer equipment (can be personal computer, server, mobile device or the network equipment etc.) or
The all or part of the steps of processor (processor) execution the present embodiment the method.And storage medium above-mentioned includes: U
Disk, mobile hard disk, read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access
Memory), the various media that can store program code such as magnetic or disk.
Based on the computer readable storage medium that the above embodiment of the present invention provides, after to screen content decoding output is thrown
Again it records coding and generates split screen content, then split screen content is respectively sent to multiple second terminals, realize one-to-many with screen.
Recording coding is carried out using different coding quality to screen content and split screen content is thrown, not only ensure that the Gao Pin of large-size screen monitors output picture
Matter, moreover, but also each second terminal can be with low latency with screen.
It is illustrated in figure 5 a kind of structure chart of one-to-many same screen system in one embodiment of the invention, comprising: first terminal
51, same screen equipment 52 described above, multiple second terminals 53, wherein
First terminal 51 record coding and generate to throw for the screen to itself shielding content, will throw screen content and be sent to
With screen equipment 52；
With screen equipment 52, for obtaining the throwing screen content of the transmission of first terminal 51, thrown after content decoding is shielded in the throwing
Screen window is shown, and is carried out recording coding generation split screen content to itself screen, the split screen content is respectively sent to more
A second terminal 53；
Second terminal 53 will be carried out for receiving the split screen content sent with screen equipment 52 after the split screen content decoding
Display.
In one embodiment of the invention, wifi and Ethernet are supported simultaneously with screen equipment 52, further includes with screen system
AP54, first terminal 51 and multiple second terminals 53 are connected to AP54 by wifi, are connected with screen equipment 52 by cable or wifi
It is connected to AP54.
In one embodiment of the invention, the AP supports 5G frequency range, can also support 2.4G frequency range simultaneously, support is most
Large user's number is greater than 50.
It in one embodiment of the invention, further include the display device 55 docked with same screen equipment 52 with screen system, together
Screen equipment 52 is also used to throw screen window and itself desktop is shown by the display device.Display device 55 can be height
Clear TV, large-screen display, all-in-one machine, projector, computer etc. can pass through HDMI wire, VGA with screen equipment 52 and display device 55
Line etc. carries out wired connection, can also be wirelessly connected by wifi.
In one embodiment of the invention, it throws screen content to be encoded using the first coding quality, the split screen content
It is encoded using the second coding quality, first coding quality is higher than the second coding quality.
In one embodiment of the invention, it is also used to generate two dimensional code according to the IP address of itself with screen equipment 52 and carry out
It shows；First terminal 51 is also used to scan the two dimensional code and establishes throwing screen session connection with screen equipment 52, will be with screen equipment 52
IP address be sent to multiple second terminals 53；Second terminal 53 is established according to the IP address of same screen equipment 52 with screen equipment 52
Split screen session connection.
Based on the same screen system that the above embodiment of the present invention provides, by the way that throwing after screen content decoding exports, recording is compiled again
Code generates split screen content, then split screen content is respectively sent to multiple second terminals, realizes one-to-many with screen.Shield content to throwing
Recording coding is carried out using different coding quality with split screen content, not only ensure that the high-quality of large-size screen monitors output picture, moreover,
So that each second terminal can be with low latency with screen.
General processor for executing function described herein be can be implemented as in the same screen device of foregoing description, can
Programmed logic controller (PLC), digital signal processor (DSP), specific integrated circuit (ASIC), field programmable gate array
(FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components or it is any
It is appropriately combined.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (19)
1. a kind of one-to-many with screen method, which is characterized in that the described method includes:
The throwing screen content that first terminal is sent is obtained, the throwing screen content is to carry out recording coding to the screen of the first terminal
The audio and video data streams of generation；
It will be shown after throwing screen content decoding in throwing screen window；
Itself screen is carried out to record coding generation split screen content；
The split screen content is respectively sent to multiple second terminals.
2. as described in claim 1 with screen method, which is characterized in that the throwing screen content is compiled using the first coding quality
Code, the split screen content are encoded using the second coding quality, and first coding quality is higher than the second coding quality.
3. as claimed in claim 2 with screen method, which is characterized in that the method also includes:
According to the quantity of second terminal and it is presently in the performance of network and determines the second coding quality.
4. as claimed in claim 2 or claim 3 with screen method, which is characterized in that first coding quality and second coding
Quality includes: bit rate, resolution ratio and frame rate.
5. as claimed in claim 2 with screen method, which is characterized in that wrapped before the throwing screen content for obtaining first terminal transmission
It includes:
It monitors and throws screen serve port, established with first terminal and throw screen session connection；
Include: before the split screen content is respectively sent to multiple second terminals
Split screen serve port is monitored, establishes split screen session connection with each second terminal respectively.
6. as described in claim 1 with screen method, which is characterized in that the throwing screen content for obtaining first terminal and sending, it will
It is shown after the throwing screen content decoding in throwing screen window specifically:
It receives first terminal is sent first and starts transmission instruction, decoder and throwing screen window are initialized；
The throwing screen content-data that first terminal is sent is received, is carried out after throwing screen content-data is decoded in throwing screen window
It shows；
Receiving first terminal is sent first terminates transmission instruction, discharges decoder and closes and throws screen window.
7. as claimed in claim 6 with screen method, which is characterized in that the method also includes:
The area-of-interest idsplay order that first terminal is sent is received, the area-of-interest idsplay order includes area-of-interest
Size and location；
Image after the throwing screen content-data is decoded is intercepted according to the size and location of area-of-interest, and right
Image after interception is converted to be shown in throwing screen window.
8. as described in claim 1 with screen method, which is characterized in that the split screen content is respectively sent to multiple second eventually
Include: before end
One write buffer is set for each split screen session connection, the write buffer is provided with high water level threshold value and low water level threshold
Value；
When write buffer reaches high water level threshold value, split screen content-data is written for stopping；
When write buffer drops to low level threshold, restore the write-in of split screen content-data.
9. a kind of one-to-many same screen device characterized by comprising
It throws screen content and obtains module, for obtaining the throwing screen content of first terminal transmission, the throwing screen content is to described first
The screen of terminal carries out recording the audio and video data streams that coding generates；
Screen output module is thrown, will be shown after throwing screen content decoding in throwing screen window；
Split screen content generating module carries out itself screen to record coding generation split screen content；
The split screen content is respectively sent to multiple second terminals by split screen content sending module.
10. same screen device as claimed in claim 9, which is characterized in that the throwing screen content is carried out using the first coding quality
Coding, the split screen content are encoded using the second coding quality, and first coding quality is higher than the second coding quality.
11. the same screen device as described in claim 9 or 10, which is characterized in that the same screen device is realized for executing as weighed
Benefit requires 1-8 described in any item with the operation of screen method.
12. a kind of one-to-many same screen device, which is characterized in that including memory and processor, in which:
Memory, for storing instruction；
Processor is realized so that the same screen device executes as claim 1-8 is described in any item for executing described instruction
With the operation of screen method.
13. a kind of same screen equipment, which is characterized in that including the described in any item same screen devices of 9-12.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of claim 1-8 described in any item methods are realized when being executed by processor.
15. a kind of one-to-many same screen system, which is characterized in that including same screen equipment described in first terminal, claim 14, more
A second terminal, wherein
First terminal carries out recording coding generation for the screen to itself and throws screen content, throwing screen content is sent to same screen and is set
It is standby；
Same screen equipment, for obtain first terminal transmission throwing screen content, by throwings shield content decoding after throw shield window into
Row is shown, carries out recording coding generation split screen content to itself screen, the split screen content is respectively sent to multiple second eventually
End；
Second terminal will be shown for receiving the split screen content sent with screen equipment after the split screen content decoding.
16. same screen system as claimed in claim 15, which is characterized in that the same screen system further includes AP, first terminal and
Multiple second terminals are connected to the AP by wifi, are connected to the AP by cable or wifi with screen equipment.
17. the same screen system as described in claim 15 or 16, which is characterized in that the same screen system further includes with described with screen
The display device of equipment interconnection, the same screen equipment is also used to throw screen window and itself desktop is carried out by the display device
It shows.
18. same screen system as claimed in claim 15, which is characterized in that the throwing screen content is carried out using the first coding quality
Coding, the split screen content are encoded using the second coding quality, and first coding quality is higher than the second coding quality.
19. same screen system as claimed in claim 15, which is characterized in that the same screen equipment is with being also used to the IP according to itself
Location generates two dimensional code and is shown；The first terminal is also used to scan the two dimensional code and the same screen equipment is established and throws screen meeting
Words connection, is sent to multiple second terminals for the IP address of the same screen equipment；Second terminal is according to the IP of the same screen equipment
Address and the same screen equipment establish split screen session connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407866.9A CN109327728B (en) | 2018-11-23 | 2018-11-23 | One-to-many same-screen method, device and system, same-screen equipment and storage medium |
| PCT/CN2019/071663 WO2020103326A1 (en) | 2018-11-23 | 2019-01-14 | One-to-many screen mirroring method, apparatus, and system, screen mirroring device, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407866.9A CN109327728B (en) | 2018-11-23 | 2018-11-23 | One-to-many same-screen method, device and system, same-screen equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109327728A true CN109327728A (en) | 2019-02-12 |
| CN109327728B CN109327728B (en) | 2021-10-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811407866.9A Active CN109327728B (en) | 2018-11-23 | 2018-11-23 | One-to-many same-screen method, device and system, same-screen equipment and storage medium |
Country Status (2)
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| WO (1) | WO2020103326A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109327728B (en) | 2021-10-15 |
| WO2020103326A1 (en) | 2020-05-28 |
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