CN107801088A - One kind throws screen and receives share system and implementation method - Google Patents
One kind throws screen and receives share system and implementation method Download PDFInfo
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- CN107801088A CN107801088A CN201610763075.4A CN201610763075A CN107801088A CN 107801088 A CN107801088 A CN 107801088A CN 201610763075 A CN201610763075 A CN 201610763075A CN 107801088 A CN107801088 A CN 107801088A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000004321 preservation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000010354 integration Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 230000006399 behavior Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000465 moulding Methods 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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
-
- 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]
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Telephonic Communication Services (AREA)
Abstract
Screen, which is thrown, the invention discloses one kind receives share system and implementation method, shield broadcast data sending/receiving module including throwing, decoder module, display module, audio playing module, control module, audio/video coding module, coding of graphics module and sharing module, implementation method is sent out throwing screen protocol broadcast packet to throw screen broadcast data sending/receiving module, by in network connection to throwing screen reception system, screen equipment scanning is thrown to establish a connection, throw screen broadcast data sending/receiving module and acquire throwing screen equipment screen and voice data, decoder module decodes data, display module display screen image, audio playing module plays sound.The method have the benefit that：Instrument need not be recorded by third party, you can carry out the recording of high quality；Immediately screen-picture can be shared in a manner of picture or video；Separate type, which throws screen share system, can make full use of the smart machine of installation share system to give third party application sharing data.
Description
Technical field
The present invention relates to a kind of share system and implementation method, more particularly to a kind of screen of throwing to receive share system and realization side
Method.
Background technology
The problem of throwing screen equipment of prior art is present：Existing screen reception system of throwing only supports display to throw on the market at present
The screen-picture and sound that screen equipment projection comes up；Screen-picture, sound recording into media file and can not be passed through system
Sharing interface is shared with third party application；Existing solution method needs to set up video camera and record to throw to shield picture, or passes through
Third party's collecting device is recorded again after the audio frequency and video for throwing screen reception system are acquired, and is carried out propagation afterwards and is shared, program is multiple
It is miscellaneous, error rate is high, can not meet the requirement of people.
The content of the invention
Shield it is an object of the invention to provide one kind and receive share system and implementation method, solve to lack existing for prior art
Regret.
The present invention adopts the following technical scheme that realization：
One kind throws screen and receives share system, it is characterised in that including throwing screen broadcast data sending/receiving module, decoding mould
Block, display module, audio playing module, control module, audio/video coding module, coding of graphics module and sharing module, wherein
It is described to throw screen broadcast data sending/receiving module：It is sent out throwing the broadcast data of screen agreement and enters with throwing screen equipment
Row connection.
Decoder module：The data received from throwing screen broadcast data sending/receiving module are decoded, screen is obtained and draws
Face and voice data；
Display module：Decoded screen-picture is sent into display device to be shown；
Audio playing module：Decoded voice data is sent into stereo set to play out；
Control module：Send recordings, screenshotss, the order such as share, control modules collaborative work；
Audio/video coding module：Screen-picture and voice data are saved in storage device by media formats coding；
Coding of graphics module：Screen-picture is encoded and is saved in storage device by picture format；
Sharing module：By the file of preservation, by system standard sharing interface, third party application is shared with.
Further, the screen agreement of throwing shields agreement for wireless throw.
Further, the screen broadcast data sending/receiving module of throwing is sent out the broadcast data that standard throws screen agreement,
Screen equipment is thrown so as to standard to find to throw screen receiving module, self-defined throwing screen protocol broadcast packet is sent out, so as to self-defined
Privately owned equipment, which finds to throw, shields receiving module, the connection with throwing screen equipment, receives the screen-picture and audio number for throwing screen equipment projection
According to.
A kind of implementation method thrown screen and receive share system, it is characterised in that this method comprises the following steps：
1) after throwing screen reception system startup, throw screen broadcast data sending/receiving module and be sent out throwing screen protocol broadcast data
Bag；
2) after share system starts, by network connection to throwing screen reception system；
3) throw and throw screen broadcast data sending/receiving module described in screen equipment scanning discovery and establish a connection；
4) throw screen broadcast data sending/receiving module and acquire throwing screen equipment screen and voice data, and give decoding mould
Block；
5) decoder module decodes data, obtains uncompressed on-screen data and voice data；
6) display module obtains on-screen data, display screen image from decoder module；
7) audio playing module obtains voice data from decoder module, plays sound.
Further, when user needs to record, then the control module of share system sends record command and received to screen is thrown
In the control receiver module of system, the throwing screen receiving module for throwing screen reception system gives data to audio/video coding module, and sound regards
By data encoding, share system, share system are transmitted data to by data transmission blocks by certain format for frequency coding module
Data reception module receive data, and store data into storage device.
Further, when user needs the file for sharing recording, the control module of share system, which is sent, shares recording text
To sharing module, sharing module reads the fileinfo of recording, and calling system standard sharing interface from memory for part order,
Transfer the file to third party application.
Further, when user needs screenshotss, the control module of share system sends screenshotss order and receives system to screen is thrown
In the control receiver module of system, the decoder module for throwing screen reception system gives the on-screen data currently shown to coding of graphics mould
Data are encoded and transmit data to share system by data transmission blocks, shared by block, coding of graphics module by certain format
The data reception module of system receives data, and stores data into storage device.
Further, when user needs to share screenshot capture, control module, which is sent, shares screenshot capture order to sharing
Module, sharing module read the fileinfo of screenshot capture, and calling system standard sharing interface from memory, file are passed
Give third party application.
The method have the benefit that：It is written can will to throw the screen-picture that comes up of screen equipment projection, audio recording
Part, it is saved in storage device；And the file of recording is shared with third party application by systems share interface；Also may be used
Interception current picture saves as picture file, and can be shared the screen shots of interception by systems share interface, overcomes
Throwing screen in the prior art, to share complex operation, program more and the defects of easily malfunction, it is ensured that screen-picture, audio, video
Synchronism.Instrument need not be recorded by third party, you can carry out the recording of high quality；Immediately screen-picture can be schemed
The mode of piece or video is shared；Integral type throws screen share system and improves system portable, the easy availability of data；Separate type
Throwing screen share system can make full use of the smart machine of installation share system to give third party application sharing data.
Brief description of the drawings
Fig. 1 is that the general frame figure that screen receives share system is thrown in integration.
Fig. 2 is to throw the frame diagram that screen reception system cooperates with smart machine.
Fig. 3 is that the workflow diagram that screen receives share system is thrown in integration.
Fig. 4 is workflow diagram when user's recording audio/video in screen reception share system is thrown in integration.
Fig. 5 is that the workflow diagram that user in screen reception share system shares recorded file is thrown in integration.
Fig. 6 is that the workflow diagram for shielding and receiving when user in share system needs screenshotss is thrown in integration.
Fig. 7 is that the workflow diagram for shielding and receiving when user in share system shares screenshot capture is thrown in integration.
Fig. 8 is to throw the workflow diagram that screen broadcast data sending/receiving module is sent out throwing screen protocol broadcast packet.
Fig. 9 is workflow diagram when share system is recorded.
Figure 10 is workflow diagram when share system carries out screenshotss.
Embodiment
By the following description to embodiment, it will more contribute to public understanding of the invention, but can't should be by Shen
Given specific embodiment of asking someone is considered as the limitation to technical solution of the present invention, any definition to part or technical characteristic
Be changed and/or make form to overall structure and immaterial conversion is regarded as what technical scheme was limited
Protection domain.
The present invention includes three aspects：1. recording the screen-picture and audio for throwing screen equipment, file is saved as；2. it will record
Sharing files to third party application；3. intercepting active screen, file is saved as, and be shared with third-party application journey
Sequence；Two kinds of implementations can be divided into by throwing screen reception share system：Screen reception share system is thrown in integration and separate type is thrown screen and received
Share system.
Integration throws screen and receives the structure of share system as shown in figure 1, comprising throwing screen receiving module, decoder module, display
Module, audio playing module, control module, audio/video coding module, coding of graphics module and sharing module；Modules function
For：
Throw screen receiving module：The broadcast data that standard throws screen agreement is sent out, throwing screen equipment so as to standard finds to throw screen
Receiving module；It is sent out self-defined throw and shields protocol broadcast packet, so that self-defined privately owned equipment finds to throw screen receiving module；
It is connected with throwing screen equipment, receives the screen-picture and voice data for throwing screen equipment projection；
Decoder module：The data that throwing screen receiving module receives are decoded, obtain screen-picture and voice data；
Display module：Decoded screen-picture is sent into display device to be shown；
Audio playing module：Decoded voice data is sent into stereo set to play out；
Control module：Send recordings, screenshotss, the order such as share, control modules collaborative work；
Audio/video coding module：Screen-picture and voice data are saved in storage device by media formats coding；
Coding of graphics module：Screen-picture is encoded by picture format, is saved in storage device；
Sharing module：By the file of preservation, by system standard sharing interface, third party application is shared with；
The workflow that screen reception share system is thrown in integration is as follows：
Throw screen receive share system start after, throw screen receiving module be sent out throw screen protocol broadcast notice packet (step
It is rapid 101)；Throw screen equipment scanning discovery and throw screen receiving module, and be connected to (step 102) on throwing screen receiving module；Screen is thrown to receive
Module, which acquires, throws screen equipment screen and voice data, and gives decoder module (step 103)；Decoder module decodes data,
Obtain uncompressed on-screen data and voice data (step 104)；Display module obtains on-screen data, display screen from decoder module
Image (step 105)；Audio playing module obtains voice data from decoder module, plays sound (step 106)；
User records embodiment：When user needs to record, control module sends record command (step 201), throws screen and connects
Receive module and give data to audio/video coding module (step 202), audio/video coding module (is walked data encoding by certain format
It is rapid 203), and file is saved in (step 204) in storage device；
User shares embodiment：When user needs the file for sharing recording, control module, which is sent, shares recorded file life
Make and give sharing module (step 301)；Sharing module reads the fileinfo (step 302) of recording from memory, and calls and be
System standard sharing interface, transfers the file to third party application (step 303)；
User's screenshotss embodiment：When user needs screenshotss, control molding block sends screenshotss order (step 401), decoding
Module gives the on-screen data currently shown to coding of graphics module (step 402), and coding of graphics module fixes data by one
Formula encodes (step 403), and picture is saved in into (step 404) in storage device；
User shares screenshot capture embodiment：When user needs to share screenshot capture, control module, which is sent, shares screen
Sharing module (step 501) is given in sectional drawing order, and sharing module reads the fileinfo (step of screenshot capture from memory
502), and calling system standard sharing interface, third party application (step 503) is transferred the file to；
Separate type throws screen and receives share system structure such as Fig. 2, and system is divided into two parts：Throw screen reception system is with sharing
System；Throw screen reception system and be arranged on to throw and shield in reception system equipment, be responsible for receiving screen and the audio for throwing that screen equipment projection comes up
Data, and share system can be transferred data to；Share system installs on another smart machine that (smart machine includes desk-top meter
Calculation machine, notebook, tablet personal computer, smart mobile phone), it is responsible for control recording, screenshotss and shares, and receives throwing screen and receive system
The screen and voice data that system sends over, save as file, and call local system sharing interface, and the 3rd is given by sharing files
Square application program；
Screen reception system is thrown to receive comprising throwing screen receiving module, decoder module, display module, audio playing module, control
Module, data transmission blocks, audio/video coding module and coding of graphics module；The function of each module is：
Throw screen receiving module：The broadcast data that standard throws screen agreement is sent out, throwing screen equipment so as to standard finds to throw screen
Receiving module；It is sent out self-defined throw and shields protocol broadcast packet, so that self-defined privately owned equipment finds to throw screen receiving module；
It is connected with throwing screen equipment, receives the screen-picture and voice data for throwing screen equipment projection；
Decoder module：The data that throwing screen receiving module receives are decoded, obtain screen-picture and voice data；
Display module：Decoded screen-picture is sent into display device to be shown；
Audio playing module：Decoded voice data is sent into stereo set to play out；
Control receiver module：It is responsible for receiving recording, screenshotss that share system control module sends over, the order such as shares,
Modules are controlled to cooperate；
Data transmission blocks：Screen-picture and voice data are sent on share system；
Audio/video coding module：Screen-picture and voice data are saved in storage device by media formats coding；
Coding of graphics module：Screen-picture is encoded by picture format, is saved in storage device；
Share system includes data reception module, control module and sharing module；Each functions of modules is：
Data reception module：Receive to haul oneself willingly into the data that screen reception system sends over, and be saved in the storage of this equipment
In equipment；
Control module：Send recordings, screenshotss to screen reception system is thrown, the order such as share, control modules collaborative work；
Sharing module：By the file of preservation, by system standard sharing interface, third party application is shared with；
Separate type throw screen receive share system workflow be：
After throwing screen reception system startup, throw screen receiving module and be sent out throwing screen protocol broadcast packet (step 601)；Point
After enjoying system startup, pass through network connection and shield (step 602) in reception system to throwing；Throw screen equipment scanning discovery and throw screen reception mould
Block, and it is connected to (step 603) on throwing screen receiving module；Throw screen receiving module and acquire throwing screen equipment screen and voice data,
And give decoder module (step 604)；Decoder module decodes data, obtains uncompressed on-screen data and voice data (step
605)；Display module obtains on-screen data, display screen image (step 606) from decoder module；Audio playing module is from decoding
Module obtains voice data, plays sound (step 607)；
When user needs to record, the control module of share system sends record command and connect to the control for throwing screen reception system
(step 701) in module is received, the throwing screen receiving module for throwing screen reception system gives data to audio/video coding module (step
702), audio/video coding module is transmitted data to by certain format by data encoding (step 703) by data transmission blocks
Share system (step 704), the data reception module of share system receive data, and store data into storage device (step
It is rapid 705)；
When user needs the file for sharing recording, the control module of share system send share recorded file order to point
Enjoy module (step 301)；Sharing module reads the fileinfo (step 302) of recording, and calling system standard from memory
Sharing interface, transfer the file to third party application (step 303)；
When user needs screenshotss, the control module of share system sends screenshotss order and connect to the control for throwing screen reception system
(step 801) in module is received, the decoder module for throwing screen reception system gives the on-screen data currently shown to coding of graphics module
(step 802), coding of graphics module by certain format coding (step 803), send out data data by data transmission blocks
Share system (step 804) is sent to, the data reception module of share system receives data, and stores data into storage device
(step 805)；
When user needs to share screenshot capture, control module transmission shares screenshot capture order and gives sharing module (step
501), sharing module reads the fileinfo (step 502) of screenshot capture from memory, and calling system standard is shared and connect
Mouthful, transfer the file to third party application (step 503)；
Separate type throws screen and receives share system structure such as Fig. 2, and system is divided into two parts：Throw screen reception system is with sharing
System；Throw screen reception system and be arranged on to throw and shield in reception system equipment, be responsible for receiving screen and the audio for throwing that screen equipment projection comes up
Data, and share system can be transferred data to；Share system installs on another smart machine that (smart machine includes desk-top meter
Calculation machine, notebook, tablet personal computer, smart mobile phone), it is responsible for control recording, screenshotss and shares, and receives throwing screen and receive system
The screen and voice data that system sends over, save as file, and call local system sharing interface, and the 3rd is given by sharing files
Square application program；
Screen reception system is thrown to receive comprising throwing screen receiving module, decoder module, display module, audio playing module, control
Module, data transmission blocks, audio/video coding module and coding of graphics module；The function of each module is：
Throw screen receiving module：The broadcast data that standard throws screen agreement is sent out, throwing screen equipment so as to standard finds to throw screen
Receiving module；It is sent out self-defined throw and shields protocol broadcast packet, so that self-defined privately owned equipment finds to throw screen receiving module；
It is connected with throwing screen equipment, receives the screen-picture and voice data for throwing screen equipment projection；
Decoder module：The data that throwing screen receiving module receives are decoded, obtain screen-picture and voice data；
Display module：Decoded screen-picture is sent into display device to be shown；
Audio playing module：Decoded voice data is sent into stereo set to play out；
Control receiver module：It is responsible for receiving recording, screenshotss that share system control module sends over, the order such as shares,
Modules are controlled to cooperate；
Data transmission blocks：Screen-picture and voice data are sent on share system；
Audio/video coding module：Screen-picture and voice data are saved in storage device by media formats coding；
Coding of graphics module：Screen-picture is encoded by picture format, is saved in storage device；
Share system includes data reception module, control module and sharing module；Each functions of modules is：
Data reception module：Receive to haul oneself willingly into the data that screen reception system sends over, and be saved in the storage of this equipment
In equipment；
Control module：Send recordings, screenshotss to screen reception system is thrown, the order such as share, control modules collaborative work；
Sharing module：By the file of preservation, by system standard sharing interface, third party application is shared with；
Separate type throw screen receive share system workflow be：
After throwing screen reception system startup, throw screen receiving module and be sent out throwing screen protocol broadcast packet (step 601)；
After share system starts, pass through (step 602) in network connection to throwing screen reception system；
Throw screen equipment scanning discovery and throw screen receiving module, and be connected to (step 603) on throwing screen receiving module；
Throw screen receiving module and acquire throwing screen equipment screen and voice data, and give decoder module (step 604)；
Decoder module decodes data, obtains uncompressed on-screen data and voice data (step 605)；
Display module obtains on-screen data, display screen image (step 606) from decoder module；
Audio playing module obtains voice data from decoder module, plays sound (step 607)；
When user needs to record, the control module of share system sends record command and connect to the control for throwing screen reception system
(step 701) in module is received, the throwing screen receiving module for throwing screen reception system gives data to audio/video coding module (step
702), audio/video coding module is transmitted data to by certain format by data encoding (step 703) by data transmission blocks
Share system (step 704), the data reception module of share system receive data, and store data into storage device (step
It is rapid 705)；
When user needs the file for sharing recording, the control module of share system send share recorded file order to point
Enjoy module (step 301)；Sharing module reads the fileinfo (step 302) of recording, and calling system standard from memory
Sharing interface, transfer the file to third party application (step 303)；
When user needs screenshotss, the control module of share system sends screenshotss order and connect to the control for throwing screen reception system
(step 801) in module is received, the decoder module for throwing screen reception system gives the on-screen data currently shown to coding of graphics module
(step 802), coding of graphics module by certain format coding (step 803), send out data data by data transmission blocks
Share system (step 804) is sent to, the data reception module of share system receives data, and stores data into storage device
(step 805)；
When user needs to share screenshot capture, control module transmission shares screenshot capture order and gives sharing interface (step
501), sharing module reads the fileinfo (step 502) of screenshot capture from memory, and calling system standard is shared and connect
Mouthful, transfer the file to third party application (step 503).
Integral type throws a kind of embodiment that screen receives share system：Throw screen reception share system and operate in Android behaviour
Make on the smart machine of system；Throwing screen receiving module supports Miracast wirelessly to throw screen agreement, and its audio, video data is H264 lattice
Formula；Decoder supports the decoding of H264 forms；It is MP4 forms that audio/video coder, which is supported H264 stream encryptions, and is saved in this
On device interior memory；Screen-picture is encoded to PNG format image by image encoder using PNG format, and is saved in this
On device interior memory；Sharing module calls android system standard sharing interface, and data audio frequency and video, picture are shared with
Third party application；This implementation example by throw shield receive share system be deployed in Android operation system, comprising but it is unlimited
Determine only in Anrdroid systems；This implementation example throw screen receiving module screen agreement is wirelessly thrown using Miracast, comprising but not
Limit and only support Mircast wirelessly to throw screen agreement；This implementation example audio/video coder preserves audio frequency and video text using MP4 forms
Part, comprising but do not limit only support MP4 forms；This implementation sample picture encoder preserves screenshot capture using PNG format, comprising
But only support PNG picture formats are not limited；File is saved on device interior memory by this implementation example, comprising but do not limit
Only it is stored on internal storage.
Separate type throws a kind of embodiment that screen receives share system：Throw screen reception system and operate in Android operations system
On the smart machine of system；Throwing screen receiving module supports Miracast wirelessly to throw screen agreement, and its audio, video data is H264 forms；Solution
Code device supports the decoding of H264 forms；It is MP4 forms that audio/video coder, which is supported H264 stream encryptions,；Image encoder uses
Screen-picture is encoded to PNG format image by PNG format；Data transmission blocks transmit data using TCP modes；Share system is transported
Row is on the smart machine of iOS operating systems；Data reception module receives data using TCP modes, and sound is preserved using MP4 forms
Video data preserves image data to internal storage on internal storage using PNG format；Sharing module calls iOS systems
System standard sharing interface, data audio frequency and video, picture are shared with third party application.This implementation example, which will be thrown, shields reception system
Be deployed in Android operation system, comprising but do not limit only in Anrdroid systems；This implementation example is by share system portion
Administration in iOS operating systems, comprising but do not limit only in iOS system；This implementation example is thrown screen receiving module and used
Miracast wirelessly throws screen agreement, comprising but do not limit only support Mircast wirelessly throw screen agreement；This implementation example audio frequency and video are compiled
Code device using MP4 forms preserve audio-video document, comprising but do not limit only support MP4 forms；This implementation sample picture encoder
Using PNG format preserve screenshot capture, comprising but do not limit only support PNG picture formats；File is saved in by this implementation example
On device interior memory, comprising but do not limit and be only stored on internal storage；
Certainly, the present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence,
Those skilled in the art can be made according to the present invention it is various it is corresponding change and deformation, but these it is corresponding change and
Deformation should all belong to the protection domain of appended claims of the invention.
Claims (8)
1. one kind throws screen and receives share system, it is characterised in that including throw screen broadcast data sending/receiving module, decoder module,
Display module, audio playing module, control module, audio/video coding module, coding of graphics module and sharing module, wherein：
It is described to throw screen broadcast data sending/receiving module：It is sent out throwing the broadcast data of screen agreement and is connected with throwing screen equipment
Connect；
Decoder module：To be decoded from throwing the data that receive of screen broadcast data sending/receiving module, obtain screen-picture and
Voice data；
Display module：Decoded screen-picture is sent into display device to be shown；
Audio playing module：Decoded voice data is sent into stereo set to play out；
Control module：Send recordings, screenshotss, the order such as share, control modules collaborative work；
Audio/video coding module：Screen-picture and voice data are saved in storage device by media formats coding；
Coding of graphics module：Screen-picture is encoded and is saved in storage device by picture format；
Sharing module：By the file of preservation, by system standard sharing interface, third party application is shared with.
2. screen according to claim 1 of throwing receives share system, it is characterised in that the screen agreement of throwing throws screen association to be wireless
View.
3. screen according to claim 1 or 2 of throwing receives share system, it is characterised in that the screen broadcast data of throwing is sent
Receiving module is sent out the broadcast data that standard throws screen agreement, and throwing screen equipment so as to standard finds to throw screen receiving module, outwards
Send self-defined throw and shield protocol broadcast packet, so that self-defined privately owned equipment finds to throw screen receiving module, with throwing screen equipment
Connection, receive the screen-picture and voice data for throwing screen equipment projection.
4. a kind of implementation method thrown screen and receive share system, it is characterised in that this method comprises the following steps：
1) after throwing screen reception system startup, throw screen broadcast data sending/receiving module and be sent out throwing screen protocol broadcast packet；
2) after share system starts, by network connection to throwing screen reception system；
3) throw and throw screen broadcast data sending/receiving module described in screen equipment scanning discovery and establish a connection；
4) throw screen broadcast data sending/receiving module and acquire throwing screen equipment screen and voice data, and give decoder module；
5) decoder module decodes data, obtains uncompressed on-screen data and voice data；
6) display module obtains on-screen data, display screen image from decoder module；
7) audio playing module obtains voice data from decoder module, plays sound.
5. the implementation method according to claim 4 thrown screen and receive share system, it is characterised in that characterized in that, working as
When user needs to record, then the control module of share system sends record command to the control receiver module for throwing screen reception system
On, the throwing screen receiving module for throwing screen reception system gives data to audio/video coding module, and audio/video coding module fixes by one
Data encoding is transmitted data to share system, the data reception module of share system receives by formula by data transmission blocks
Data, and store data into storage device.
6. the implementation method according to claim 4 thrown screen and receive share system, it is characterised in that when user needs to share
During the file of recording, the control module of share system, which is sent, shares recorded file order to sharing module, and sharing module is from storage
The fileinfo of recording, and calling system standard sharing interface are read on device, transfers the file to third party application.
7. the implementation method according to claim 4 thrown screen and receive share system, it is characterised in that when user needs screenshotss
When, the control module of share system sends screenshotss order to the control receiver module for throwing screen reception system, throws screen reception system
Decoder module give the on-screen data currently shown to coding of graphics module, coding of graphics module is compiled data by certain format
Code transmits data to share system by data transmission blocks, and the data reception module of share system receives data, and by number
According to being saved in storage device.
8. the implementation method according to claim 4 thrown screen and receive share system, it is characterised in that when user needs to share
During screenshot capture, control module transmission shares screenshot capture order and screen is read from memory to sharing module, sharing module
The fileinfo of sectional drawing, and calling system standard sharing interface, transfer the file to third party application.
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| CN201610763075.4A CN107801088A (en) | 2016-08-31 | 2016-08-31 | One kind throws screen and receives share system and implementation method |
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