CN104754402A - Multi-unit same-screen displaying method and device - Google Patents
Multi-unit same-screen displaying method and device Download PDFInfo
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- CN104754402A CN104754402A CN201510161893.2A CN201510161893A CN104754402A CN 104754402 A CN104754402 A CN 104754402A CN 201510161893 A CN201510161893 A CN 201510161893A CN 104754402 A CN104754402 A CN 104754402A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000009466 transformation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
-
- 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
- H04N21/43—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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- 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
- H04N21/43635—HDMI
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
Landscapes
- 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 relates to a multi-unit same-screen displaying method and device. The device comprises an ARM processor and a WiFi receiving module. The WiFi receiving module is connected to the ARM processor. The WiFi receiving module is provided with an interface to be connected with video units. The WiFi receiving module receives different types of video data from the video units, recognizes the video data and splits the video data; corresponding video data are transmitted to the ARM processor according to recognition results; the ARM processor performs format transformation on the split video data according to the types of the video data, decodes and encodes the data and transmits the data to a screen in a split-screen manner, overlap-screen manner or single-screen manner. The video contents of multiple video units can be displayed on the same display screen.
Description
Technical field
The present invention relates to technical field of video communication, specifically refer to and multi-channel video is carried out merging the method and apparatus play with screen.
Background technology
Appearance with screen technology can be pushed in TV or liquid crystal display by the content that its screen manifests or video in the mode of wireless (or wired) easily as mobile phone, panel computer, notebook computer etc. by be allowed various video-units, realizes the function of radio display.
Formed the same screen technical specification of many different sizes in the market, the specification of main flow comprises:
A 1.WiFi Alliance (international non-profit industry association, having the member company that hundreds of family is leading, be jointly devoted to promote the application in equipment and each market segment of Wi-Fi technology) (Wi-Fi Alliance announced the Wi-Fi CERTIFIED Miracast authentication item started to leading Miracast technology on September 19th, 2012.Miracast equipment provides to simplify and finds and arrange, user can rapidly at equipment room transmission of video): this is a same screen technology based on Wifi-Direct (refer to and allow equipment in wireless network without the need to being interconnected by wireless router), the operating system all built-in support Miracast technology of current Windows 8.1 and Android more than 4.2.
2, the equipment of Air Play (a small and exquisite free audio player) technology: the Apple of Apple (Apple) such as iPhone (mobile phone), iPad (panel computer), iPod (player that Apple releases), Macbook (notebook computer) ... etc., all support technique
3, Google (Google) Chromecast (the brand-new connection device that Google issued on July 25th, 2013): Google Chromebook (Google release WebPad) and Chrome (browser of Google) browser all support that this is with screen technology
Also there is television rod miscellaneous now on the market, Set Top Box, support various same screen technology respectively, the common point of these application schemes is to export the picture of full screen on TV (TV) or LCD (liquid crystal display) with HDMI (HDMI (High Definition Multimedia Interface)), and the same screen picture of a road monotechnics can only be accepted simultaneously, multiple video-unit line cannot be accepted simultaneously, use and the video-unit just at line first can only be exited, new video-unit could be allowed to carry out line, suitable inconvenience, video-unit switch process tedious and complicated.
Summary of the invention
Main purpose of the present invention is to provide the method and apparatus of a kind of multichannel with screen, the video content of multiple video-unit can be shown simultaneously on one display.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides the same screen device of a kind of multichannel, comprising:
Arm processor and WiFi receiver module, described WiFi receiver module connects described arm processor, described WiFi receiver module is provided with the interface for connecting video-unit, described WiFi receiver module receives the dissimilar video data coming from video-unit, described dissimilar video data is identified, then described dissimilar video data is broken; And according to the result identified, the video data of correspondence is sent to arm processor;
Video data after partition is carried out format conversion according to the type of each video data by described arm processor, and is sent to screen respectively through after decoding and coded treatment by the mode of divided frame, overlapping pictures or single picture.
Preferably, the session that arm processor is corresponding according to each user's line is the data flow that each user's line sets up corresponding, and the agreement corresponding by this data flow carries out form decoding and coded treatment respectively to each video data.
The present invention also provides a kind of multichannel with the method for screen, and it comprises step: A, receive and come from the dissimilar video data of video-unit, identifies, then break to described dissimilar video data to described dissimilar video data;
B, by partition after video data carry out format conversion according to the type of each video data, and respectively through decoding and coded treatment after be sent to screen by the mode of divided frame, overlapping pictures or single picture.
Preferably, in described step B, a session corresponding according to each user's line is the data flow that each user's line sets up corresponding, and the agreement corresponding by this data flow carries out form decoding and coded treatment respectively to each video data.
Implement technical scheme of the present invention, there is following beneficial effect: multichannel provided by the invention is with the method and apparatus of screen, the video content of multiple video-unit can be passed through divided frame, the mode of overlapping pictures or one or several pictures hiding shows simultaneously on one display, application is convenient, multichannel greatly can expand same application situation of shielding with the realization of screen simultaneously, same screen technology by the application (such as conference applications) of being partial to recreational application (such as: mobile video/photo is viewed and admired on TV) and expanding to nature of business, by the present invention in conjunction with projector, or large-scale LCD, the picture of its video-unit (mobile phone/pen electricity/dull and stereotyped) many people can be shipped to projector or large-scale LCD is discussed by the personnel of the participant when carrying out meeting simultaneously.
Accompanying drawing explanation
The method flow diagram that Fig. 1 provides for the embodiment of the present invention;
The apparatus structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The application illustration that Fig. 3 provides for the embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of multichannel same screen device, and this multichannel can be independently equipment with screen device, also can be integrated in other equipment, as router, various smart machines etc., as shown in Figure 1, comprise:
Arm processor and WiFi receiver module, described WiFi receiver module connects described arm processor, described WiFi receiver module is provided with the interface for connecting video-unit, described WiFi receiver module receives the dissimilar video data coming from video-unit, receive the dissimilar video data coming from video-unit, described dissimilar video data is identified, then described dissimilar video data is broken, and according to the result identified, the video data of correspondence is sent to arm processor;
Video data after partition is carried out format conversion according to the type of each video data by described arm processor, and is sent to screen respectively through after decoding and coded treatment by the mode of divided frame, overlapping pictures or single picture.
The session that arm processor is corresponding according to each user's line is the data flow that each user's line sets up corresponding, and the agreement corresponding by this data flow carries out form decoding and coded treatment respectively to each video data.
The embodiment of the present invention also provides a kind of multichannel with the method for screen, as shown in Figure 2, comprise: A, receive and come from the dissimilar video data of video-unit, described dissimilar video data is identified, then described dissimilar video data is broken;
B, by partition after video data carry out format conversion according to the type of each video data, and respectively through decoding and coded treatment after be sent to screen by the mode of divided frame, overlapping pictures or single picture.
In the above-described embodiments, in described step B, more specifically, a session corresponding according to each user's line is the data flow that each user's line sets up corresponding, and the agreement corresponding by this data flow carries out form decoding and coded treatment respectively to each video data.
First the video-unit of user side carries out with shielding line by its same screen agreement (as Miracast, AirplayChromecast) supported and multichannel provided by the invention with screen device,
M1, M2, M3 in legend represent three tunnels independently Miracast line respectively, and C1 is chromecast line, and A1, A2 are then Airplay line, and these directly enter the WiFi receiver module of multichannel with screen device with screen line.
WiFi receiver module by the video data received according to identifying, according to the result identified, carry out with the partition of screen signal, to be split into dissimilar video data, different video datas is sent to arm processor and each line is complied with its type respectively by Miracast, Chromecast and Airplay carries out multichannel with shielding signal transacting with screen agreement, and the same screen agreement as corresponding according to respective video data respectively carries out decoding, encoding or repairing treatment.
In above-mentioned Application Example; Wifi receiver module is the line demand that the program of a daemon (background program) kenel is used for accepting user; process connection line operation foremost; after receiving user side line demand; set up independently session according to line type, different lines has different link process operations, for the line of Miracast; line can be set up based on WiFi Direct/WPS (WiFi-Protected Setup, Wi-Fi protection setting) agreement.Airplay is then based on Bonjour, ROAP (Remote AudioOutput Protocol, remote audio output protocol) set up line, Chromecast is then based on DIAL (DIscovery And Launch, the stream media protocol of YouTube and Netflix) set up line, so the operation of this part is after receiving the line demand of user side, can first carries out identification line type, then know the predetermined processing connection line operation of abiding by respective different agreement.
Each user's line has an independently session, so arm processor can maintain an independently data flow for each line, the host-host protocol of these same data flow is equally have the different practices according to different agreements, Chromecast is based on HTTP (Hyper Text Transfer Protocol, HTML (Hypertext Markup Language)), Airplay is then based on HTTP/RTSP (Real Time Streaming Protocol, a kind of real time streaming transport protocol)/RTP (Real Time Transport Protocol, the RTP developed by IETF), Miracast is then based on RTSP and RTP.
Dissimilar line, its data format is also different: Chromecast video be H.264 audio frequency be these forms of AAC, MP3, Ogg Vorbis, WAV; Airplay video is MPEG-4, H.264, M-JPEG audio frequency supports MP3, AAC form; Miracast's is MPEG2-TS form, so each line can have different audio-visual characteristics.
Then the output of multichannel with screen signal is carried out: during the process in the end exported, according to the operation of setting with user, the same screen signal of multichannel can be outputted to projector or LCD, TV with divided frame, overlapping pictures or single picture, wherein:
Single picture exports: although be have multichannel homogenous frequency signal line, and only select a road signal wherein to export, other are then maintain line but do not export picture, and user can switch the line picture selecting to export fast;
Divided frame export: be screen is done two segmentations or four segmentation separate by user arrange individual signal is rendered on different divided frame regions respectively;
Overlapping pictures exports then: be the content of line stacked on picture in the mode of form.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the same screen device of multichannel, is characterized in that, comprising:
Arm processor and WiFi receiver module, described WiFi receiver module connects described arm processor, described WiFi receiver module is provided with the interface for connecting video-unit, described WiFi receiver module receives the dissimilar video data coming from video-unit, described dissimilar video data is identified, then described dissimilar video data is broken, and according to the result identified, the video data of correspondence is sent to arm processor;
Video data after partition is carried out format conversion according to the type of each video data by described arm processor, and is sent to screen respectively through after decoding and coded treatment by the mode of divided frame, overlapping pictures or single picture.
2. the same screen device of multichannel as claimed in claim 1, it is characterized in that, the session that arm processor is corresponding according to each user's line is the data flow that each user's line sets up corresponding, and the agreement corresponding by this data flow carries out form decoding and coded treatment respectively to each video data.
3. multichannel is with a method for screen, it is characterized in that, comprises step:
A, receive and come from the dissimilar video data of video-unit, described dissimilar video data is identified, then described dissimilar video data is broken;
B, by partition after video data carry out format conversion according to the type of each video data, and respectively through decoding and coded treatment after be sent to screen by the mode of divided frame, overlapping pictures or single picture.
4. method as claimed in claim 3, it is characterized in that, a session corresponding according to each user's line is the data flow that each user's line sets up corresponding, and the agreement corresponding by this data flow carries out form decoding and coded treatment respectively to each video data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161893.2A CN104754402A (en) | 2015-04-08 | 2015-04-08 | Multi-unit same-screen displaying method and device |
| PCT/CN2016/072329 WO2016161838A1 (en) | 2015-04-08 | 2016-01-27 | Multi-path shared-screen method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161893.2A CN104754402A (en) | 2015-04-08 | 2015-04-08 | Multi-unit same-screen displaying method and device |
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| CN104754402A true CN104754402A (en) | 2015-07-01 |
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| CN201510161893.2A Pending CN104754402A (en) | 2015-04-08 | 2015-04-08 | Multi-unit same-screen displaying method and device |
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| WO (1) | WO2016161838A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392044A (en) * | 2015-11-02 | 2016-03-09 | 广州盈可视电子科技有限公司 | Method of controlling switching of multiple videos on same screen |
| WO2016161838A1 (en) * | 2015-04-08 | 2016-10-13 | 好迪龙电子深圳有限公司 | Multi-path shared-screen method and apparatus |
| WO2016197654A1 (en) * | 2015-12-09 | 2016-12-15 | 中兴通讯股份有限公司 | Projection terminal and method thereof for realizing multi-terminal co-screen projection |
| WO2017015991A1 (en) * | 2015-07-27 | 2017-02-02 | 南京巨鲨显示科技有限公司 | Image combination processing system arranged in display |
| WO2017080223A1 (en) * | 2015-11-13 | 2017-05-18 | 乐视控股（北京）有限公司 | Method for connecting dongle, and user terminal |
| CN106921841A (en) * | 2017-03-07 | 2017-07-04 | 北京小米移动软件有限公司 | Screen prjection method and device |
| CN108259978A (en) * | 2018-04-03 | 2018-07-06 | 东莞市康茂电子有限公司 | It is a kind of wired with screen device with wireless router |
| CN110784758A (en) * | 2019-08-22 | 2020-02-11 | 腾讯科技（深圳）有限公司 | Screen projection processing method and device |
| WO2021168649A1 (en) * | 2020-02-25 | 2021-09-02 | 深圳市乐橙互联有限公司 | Multifunctional receiving device and conference system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016161838A1 (en) * | 2015-04-08 | 2016-10-13 | 好迪龙电子深圳有限公司 | Multi-path shared-screen method and apparatus |
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| WO2016197654A1 (en) * | 2015-12-09 | 2016-12-15 | 中兴通讯股份有限公司 | Projection terminal and method thereof for realizing multi-terminal co-screen projection |
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| CN108259978A (en) * | 2018-04-03 | 2018-07-06 | 东莞市康茂电子有限公司 | It is a kind of wired with screen device with wireless router |
| CN108259978B (en) * | 2018-04-03 | 2021-05-11 | 东莞市康茂电子有限公司 | Wired same-screen device with wireless router |
| CN110784758A (en) * | 2019-08-22 | 2020-02-11 | 腾讯科技（深圳）有限公司 | Screen projection processing method and device |
| CN110784758B (en) * | 2019-08-22 | 2021-11-05 | 腾讯科技（深圳）有限公司 | Screen projection processing method and device, electronic equipment and computer program medium |
| WO2021168649A1 (en) * | 2020-02-25 | 2021-09-02 | 深圳市乐橙互联有限公司 | Multifunctional receiving device and conference system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016161838A1 (en) | 2016-10-13 |
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Application publication date: 20150701 |