CN106878776A - A kind of method and device that Screen sharing is realized by playing virtual video and audio file - Google Patents

A kind of method and device that Screen sharing is realized by playing virtual video and audio file Download PDF

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Publication number
CN106878776A
CN106878776A CN201710064837.6A CN201710064837A CN106878776A CN 106878776 A CN106878776 A CN 106878776A CN 201710064837 A CN201710064837 A CN 201710064837A CN 106878776 A CN106878776 A CN 106878776A
Authority
CN
China
Prior art keywords
screen sharing
video
audio file
audio
virtual video
Prior art date
Application number
CN201710064837.6A
Other languages
Chinese (zh)
Inventor
曾菊阳
陈立中
Original Assignee
湖南优映商贸有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 湖南优映商贸有限公司 filed Critical 湖南优映商贸有限公司
Priority to CN201710064837.6A priority Critical patent/CN106878776A/en
Publication of CN106878776A publication Critical patent/CN106878776A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/4104Structure of client; Structure of client peripherals using peripherals receiving signals from specially adapted client devices
    • H04N21/4122Structure of client; Structure of client peripherals using peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/4104Structure of client; Structure of client peripherals using peripherals receiving signals from specially adapted client devices
    • H04N21/4126Structure of client; Structure of client peripherals using peripherals receiving signals from specially adapted client devices portable device, e.g. remote control with a display, PDA, mobile phone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or inside the home ; Interfacing an external card to be used in combination with the client device
    • H04N21/4363Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43637Adapting 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 or wireless LAN

Abstract

The invention discloses a kind of method and device that Screen sharing is realized by playing virtual video and audio file of Screen sharing technical field, should realize that the method for Screen sharing specifically included following steps by playing virtual video and audio file:S1:Wireless encoding sends;S2:Wireless receiving is simultaneously optionally decoded and recompiled;S3:The encapsulation of video and audio file;S4:Receiving terminal reads the virtual file in USB disk or SD card and plays this document;A kind of device that Screen sharing is realized by playing virtual video and audio file, including Screen sharing equipment, the wireless sending module signal output connects Screen sharing equipment, and the video encoding code stream that apparatus of the present invention will be received in real time is optionally recompiled and encapsulates and be buffered in storage device.The invention device only needs receiving terminal to possess USB or SD card interface, can play video and audio file;Receiving terminal both without video and audio interface, need not install software again, thus with larger adaptability.

Description

A kind of method and device that Screen sharing is realized by playing virtual video and audio file

Technical field

It is specially a kind of to realize that screen is total to by playing virtual video and audio file the present invention relates to Screen sharing technical field The method and device enjoyed.

Background technology

Current many Intelligent mobile equipments(Such as Android phone, iPhone mobile phones and iPad panel computers)Possesses screen Curtain is shared(Or the projection of Wireless Display, screen)Projection function, these mobile devices using Screen sharing function can by from Body small-size screen and small volume audio projection allow user to obtain preferable vision on large scale display screen and sound system And auditory perception.The implementation process of Screen sharing function is that Intelligent mobile equipment utilizes wireless transmission protocol(At present with Based on Miracast, DLNA and Airplay)Picture, video or audio are compressed and encode and be sent to Screen sharing device, The compress coding data that Screen sharing device will be received is decoded, and decoded image and voice data are passed through into HDMI The output such as interface or AV interfaces is shown to receiving terminal and sound is played.

Existing Screen sharing device receives the video encoding code stream of transmitting terminal(Such as H.264 video and AAC audios) Afterwards, first decode it and pass through video and audio output interface again(Such as HDMI, AV or VGA)Receiving terminal is exported to realize Screen sharing 's;But many receiving terminals do not have the above-mentioned input interface opened to user(May not possess these interfaces, even if or tool Standby these interfaces, but the place of convenient installation is not drawn out to), thus adaptability is bad, therefore, we have proposed It is a kind of to realize that the method and device of Screen sharing comes into operation by playing virtual video and audio file, to solve the above problems.

The content of the invention

It is an object of the invention to provide a kind of method and dress that Screen sharing is realized by playing virtual video and audio file Put, to solve the video encoding code stream that the existing Screen sharing device proposed in above-mentioned background technology receives transmitting terminal Afterwards, first decode it and Screen sharing is realized to receiving terminal by the output of video and audio output interface again, but many receiving terminals are simultaneously Do not possess the above-mentioned input interface opened to user, thus the bad problem of adaptability.

To achieve the above object, the present invention provides following technical scheme:It is a kind of to be realized by playing virtual video and audio file The method of Screen sharing, should realize that the method for Screen sharing specifically included following steps by playing virtual video and audio file:

S1:Video coding code stream and stream of audio codes are sent in Screen sharing equipment by wireless WIFI;

S2:Optional decoding and again is carried out to video encoding code stream by solution coding unit built-in in Screen sharing equipment Coding;

S3:Video encoding data after recompiling are packaged into virtual video and audio file, and are cached in memory cell;

S4:The virtual video and audio file in being buffered in Screen sharing device is read from USB or SD interface by receiving terminal, and is decoded Play out, realize Screen sharing.

Preferably, in the step S4, the receiving terminal from USB or SD interface read this document when, this document regarding sound Frequency only exists sub-fraction data according to not all presence in advance.

Preferably, in the step S2, solution coding unit is optional solution coding, can be directly packaged, and can also be passed through It is packaged after first decoding re-encoding.

A kind of device that Screen sharing is realized by playing virtual video and audio file, including Screen sharing equipment, the screen The shared equipment of curtain is connected by the built-in wireless sending module of the transmitting terminal with the transmitting terminal, the Screen sharing equipment bag Containing wireless receiving module, solution coding unit, video and audio package module and memory cell, the wireless receiving module is believed by WIFI Number receive the video encoding code stream in the transmitting terminal, the solution coding unit is used to carrying out video encoding code stream optional Decoding and recompile, video encoding bit stream data is packaged into virtual video and audio file by the video and audio package module And be buffered in the memory cell, the receiving terminal reads the void being buffered in the memory cell by USB or SD interface Intend video and audio file.

Preferably, the memory cell is that USB is stored or SD card storage.

Compared with prior art, the beneficial effects of the invention are as follows:The video and audio that apparatus of the present invention will be received in real time is compiled Code code stream is optionally recompiled and encapsulates and store in storage device, and the invention device only needs receiving terminal to possess USB Or SD card interface, video and audio file can be played;Receiving terminal need not install software, thus tool again both without video and audio interface There is larger adaptability.

Brief description of the drawings

Fig. 1 is principle of the invention block diagram;

Fig. 2 is flow chart of the present invention.

In figure:1 transmitting terminal, 2 Screen sharing equipment, 21 wireless receiving modules, 22 solution coding units, 23 video and audio Encapsulation Moulds Block, 24 memory cell, 3 receiving terminals.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Fig. 1-2 is referred to, the present invention provides a kind of technical scheme:One kind realizes screen by playing virtual video and audio file Shared method, should realize that the method for Screen sharing specifically included following steps by playing virtual video and audio file:

S1:Video coding code stream and stream of audio codes are sent in Screen sharing equipment 2 by wireless WIFI;

S2:By solution coding unit 22 built-in in Screen sharing equipment 2 video encoding code stream is carried out optional decoding and Recompile, solution coding unit 22 is optional solution coding, can be directly packaged, and can also be carried out after first decoding re-encoding Encapsulation;

S3:Video encoding data after recompiling are packaged into virtual video and audio file, and are cached in memory cell 24 In;

S4:The virtual video and audio file being buffered in Screen sharing equipment 2 is read from USB or SD interface by receiving terminal 3, and is solved Code is played out, and realizes Screen sharing, the receiving terminal 3 from USB or SD interface read this document when, the video and audio number of this document According to not all presence in advance, and only exist sub-fraction data.

It is common present invention also offers a kind of device that Screen sharing is realized by playing virtual video and audio file, including screen Equipment 2 is enjoyed, the Screen sharing equipment 2 is connected by the built-in wireless sending module of the transmitting terminal 1 with the transmitting terminal 1, The Screen sharing equipment 2 includes wireless receiving module 21, solution coding unit 22, video and audio package module 23 and memory cell 24, the wireless receiving module 21 receives the video encoding code stream in the transmitting terminal 1, the solution coding by WIFI signal Unit 22 is used to that video encoding code stream optionally to be decoded and recompiled, and the video and audio package module 23 will be regarding sound Frequency encoding code stream data are packaged into virtual video and audio file and are buffered in the memory cell 24, and the receiving terminal 3 passes through USB or SD interface read the virtual video and audio file being buffered in the memory cell 24, and the memory cell 24 is stored for USB Or SD card storage.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (5)

1. a kind of by playing the method that virtual video and audio file realizes Screen sharing, it is characterised in that:Should be virtual by playing Video and audio file realizes that the method for Screen sharing specifically includes following steps:
S1:Video coding code stream and stream of audio codes are sent to Screen sharing equipment by wireless WIFI(2)In;
S2:By Screen sharing equipment(2)In built-in solution coding unit(22)Video encoding code stream is optionally solved Code and recompile;
S3:Video encoding data after recompiling are packaged into virtual video and audio file, and are cached in memory cell (24)In;
S4:By receiving terminal(3)Read from USB or SD interface and be buffered in Screen sharing equipment(2)In virtual video and audio file, And decoding is played out, and realizes Screen sharing.
2. according to claim 1 a kind of by playing the method that virtual video and audio file realizes Screen sharing, its feature It is:In the step S4, the receiving terminal(3)When reading this document from USB or SD interface, the video/audio of this document is simultaneously Do not exist all in advance, and only exist sub-fraction data.
3. according to claim 1 a kind of by playing the method that virtual video and audio file realizes Screen sharing, its feature It is:In the step S2, coding unit is solved(22)It is optional solution coding, can be directly packaged, also can be by first decoding It is packaged after re-encoding.
4. a kind of device that Screen sharing is realized by playing virtual video and audio file, it is characterised in that set including Screen sharing It is standby(2), the Screen sharing equipment(2)By the transmitting terminal(1)Built-in wireless sending module and the transmitting terminal(1)Even Connect, the Screen sharing equipment(2)Comprising wireless receiving module(21), solution coding unit(22), video and audio package module(23) And memory cell(24), the wireless receiving module(21)The transmitting terminal is received by WIFI signal(1)In video and audio compile Code code stream, the solution coding unit(22)It is described to regard for video encoding code stream optionally to be decoded and recompiled Audio package module(23)Video encoding bit stream data is packaged into virtual video and audio file and the storage list is buffered in Unit(24)In, the receiving terminal(3)Read by USB or SD interface and be buffered in the memory cell(24)In virtual video and audio File.
5. a kind of device that Screen sharing is realized by playing virtual video and audio file according to claim 4, its feature It is:The memory cell(24)It is USB storages or SD card storage.
CN201710064837.6A 2017-02-05 2017-02-05 A kind of method and device that Screen sharing is realized by playing virtual video and audio file CN106878776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710064837.6A CN106878776A (en) 2017-02-05 2017-02-05 A kind of method and device that Screen sharing is realized by playing virtual video and audio file

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710064837.6A CN106878776A (en) 2017-02-05 2017-02-05 A kind of method and device that Screen sharing is realized by playing virtual video and audio file

Publications (1)

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CN106878776A true CN106878776A (en) 2017-06-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201323633Y (en) * 2008-12-31 2009-10-07 广东威创视讯科技股份有限公司 Wireless video transmitting system and wireless video transmitting device
US20110179196A1 (en) * 2010-01-21 2011-07-21 Lee Friedman System, method and computer program product for portable multimedia content display
CN202095051U (en) * 2011-03-17 2011-12-28 广东九联科技股份有限公司 Set-top box for converting video format
CN202353758U (en) * 2011-04-20 2012-07-25 李文珍 Multimedia information wireless network system, wireless transmission device and wireless receiving device
CN202551259U (en) * 2011-12-27 2012-11-21 北京朝歌数码科技股份有限公司 Set-top box multi-format transcoding device and multimedia playing system
CN103347209A (en) * 2013-07-01 2013-10-09 郑义 Wireless video forwarding device system based on WIFI and method for achieving forwarding of wireless video forwarding device system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201323633Y (en) * 2008-12-31 2009-10-07 广东威创视讯科技股份有限公司 Wireless video transmitting system and wireless video transmitting device
US20110179196A1 (en) * 2010-01-21 2011-07-21 Lee Friedman System, method and computer program product for portable multimedia content display
CN202095051U (en) * 2011-03-17 2011-12-28 广东九联科技股份有限公司 Set-top box for converting video format
CN202353758U (en) * 2011-04-20 2012-07-25 李文珍 Multimedia information wireless network system, wireless transmission device and wireless receiving device
CN202551259U (en) * 2011-12-27 2012-11-21 北京朝歌数码科技股份有限公司 Set-top box multi-format transcoding device and multimedia playing system
CN103347209A (en) * 2013-07-01 2013-10-09 郑义 Wireless video forwarding device system based on WIFI and method for achieving forwarding of wireless video forwarding device system

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Application publication date: 20170620

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