CN103369372B - A kind of live telecast screen-cutting system and method - Google Patents
A kind of live telecast screen-cutting system and method Download PDFInfo
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- CN103369372B CN103369372B CN201310299366.9A CN201310299366A CN103369372B CN 103369372 B CN103369372 B CN 103369372B CN 201310299366 A CN201310299366 A CN 201310299366A CN 103369372 B CN103369372 B CN 103369372B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000013507 mapping Methods 0.000 claims abstract description 10
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 230000001960 triggered effect Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention discloses a kind of live telecast screen-cutting system and method, its video interception server obtains live signal, establishes the timestamp of video and the buffering area of correspondence image frame, and the timestamp asked according to screenshotss sends correspondence image frame to video screenshotss memory；Screenshotss interface server, it is used for the screenshotss request of receiving terminal, obtains the screenshotss required parameter in screenshotss request, is that terminal establishes mapping relations with timestamp and correspondence image frame in the buffer area of video interception server by screenshotss required parameter；The inquiry of receiving terminal and browsing instructions, the picture frame on video screenshotss memory is searched, and forward it to terminal；The issue instruction of receiving terminal, terminal is screened to the picture frame confirmed and outwards issued；Video screenshotss memory, the timestamp to be asked according to screenshotss store correspondence image frame.Methods described can accurately intercept clearly live telecast picture, and can be distributed to network immediately, and screenshotss are easy to operate, quick, and screenshotss effect is good.
Description
Technical field
The present invention relates to the live telecast screen-cutting system and method for intercepting live telecast picture.
Background technology
One base attribute of TV is social, and comment, discussion, exchange, recommendation of the people to program cause TV programme
Remain very high attention rate and audience ratings.Social television service is exactly to use this primary attribute, people in real-life
The doings of TV programme are transplanted in virtual network environment, so as to meet comment, discussion, friendship of the people to program
The demands such as stream, recommendation.
To meet above-mentioned social demand, user will frequently want to interception and watch when watching live TV programme
TV programme picture, then shared by the network very first time to the social network sites such as microblogging, word coordinated by picture
Make comments, so as to attract more people to go to comment on, in some instances it may even be possible to generated a discussion as a topic.But due to TV programme just
During live, picture is that dynamic is difficult to reappear, and when the picture of the desired interception of user's discovery, and takes out the shootings such as mobile phone and sets
When standby alignment video screen is taken pictures, think that the picture of interception has not often existed originally, it is difficult to needed for interception immediately
Picture, influence expression and the effect of user.Moreover, video screen is taken pictures with picture pick-up device, even if photographing required figure
Piece, its effect shot can also be influenceed by the reason such as light and shake, and shooting picture quality is often difficult to fully up to expectations.
The content of the invention
The defects of it is an object of the invention to overcome above-mentioned prior art, there is provided a kind of interception that can be no-delay is clearly
Live telecast picture, and the picture of interception can be distributed to the live telecast screen-cutting system and method for network immediately.
Live telecast screen-cutting system of the present invention, including：
Video interception server, live signal IP multicast data flows address is obtained, receive video flowing, and establish the time of video
The buffering area of stamp and correspondence image frame；The timestamp asked according to screenshotss sends correspondence image frame to video screenshotss memory；
Terminal, for sending screenshotss request, inquiry and browsing instructions and issue instruction；
Screenshotss interface server, it is used for the screenshotss request of receiving terminal, obtains the screenshotss required parameter in screenshotss request,
It is that terminal establishes mapping pass with timestamp in the buffer area of video interception server and correspondence image frame by screenshotss required parameter
System；The inquiry of receiving terminal and browsing instructions, the picture frame on video screenshotss memory is searched, and forward it to terminal；Connect
The issue instruction of terminal is received, terminal is screened to the picture frame confirmed and outwards issued；
Video screenshotss memory, the timestamp to be asked according to screenshotss store correspondence image frame.
Live telecast screenshotss method of the present invention, comprises the following steps：
Video interception server obtains the IP multicast data flows address of live signal, receives video flowing, establishes the time of video
The buffering area of stamp and correspondence image frame；
Screenshotss are triggered by terminal to ask, the response of screenshotss interface server carrys out the screenshotss request of self terminal, obtains corresponding cut
Shield required parameter, while establish screenshotss request queue, and it is slow with video interception server by screenshotss required parameter to be terminal
Deposit the timestamp in area and correspondence image frame establishes mapping relations；
The mapping relations that video interception server is established according to screenshotss interface server, and the time asked according to screenshotss
Stamp sends correspondence image frame to video screenshotss memory；
Terminal sends inquiry and browsing instructions to screenshotss interface server again, and screenshotss interface server is searched video screenshotss and deposited
Picture frame on reservoir, and send to terminal；
After terminal screening determines, issue instruction is sent by screenshotss interface server, screenshotss interface server sieves terminal
The picture frame that choosing confirms outwards is issued.
The screenshotss interface server searches the picture frame on video screenshotss memory, except comprising with terminal triggered time point
Outside the picture frame of corresponding timestamp, the figure also within a bit of time before and after timestamp corresponding to triggered time point
As frame.
The screenshotss interface server searches the picture frame on video screenshotss memory, except comprising with terminal triggered time point
Outside the picture frame of corresponding timestamp, the picture frame also before and after timestamp corresponding to triggered time point in 1 second.
The screenshotss required parameter includes：Channel number, current point in time and user characteristics coding.
Live telecast screen-cutting system of the present invention and method, it is live video stream by setting video interception server
The timestamp of video and the buffering area of correspondence image frame are established, and the request of screenshotss interface server response terminal is set, is received
The request of screenshotss that terminal is sent, obtains screenshotss required parameter, establishes the mapping relations of terminal and video interception server, according to section
The timestamp of screen request sends correspondence image frame to video screenshotss memory, and terminal can be inquired about and clear by screenshotss interface server
Looking at needs the picture that intercepts, so as to picture needed for screening and confirming, and is directly externally issued by screenshotss interface server.It is described
System and method, the picture of interception are directly the picture that the picture frame in live video stream is formed, and picture quality is reliable, clear.
Meanwhile its terminal sends request and screenshotss operation can be achieved, and can accurately acquire the screenshot picture at any time point, can do
To accurately screenshotss immediately.In addition, interception by directly can externally being issued by screenshotss interface server, issue is immediately fast
Speed.
Brief description of the drawings
Fig. 1 is live telecast screen-cutting system of the present invention and the flow chart of method.
Embodiment
Embodiment one：
Such as Fig. 1, terminal is set top box, and user calls screenshotss application by using remote control or double-clicks the hot key of remote control
Into screenshotss state；
Video interception server obtains the IP multicast data flows address for the live signal for playing TV programme, receives video flowing,
Establish the timestamp of video and the buffering area of correspondence image frame；
After remote control screenshotss, set top box submits time of channel number, user characteristics coding and current screenshotss to screenshotss interface
Server；
The response of screenshotss interface server carrys out the screenshotss request of self terminal, obtains channel number, user characteristics coding and currently cuts
The time of screen；
Screenshotss interface server establishes screenshotss request queue, and is terminal by the screenshotss time point in screenshotss required parameter
Mapping relations are established with the timestamp in the buffer area of video interception server and correspondence image frame；
Video interception server performs screenshotss instruction, and the timestamp asked according to screenshotss sends correspondence image frame to video
Screenshotss memory；
User sends inquiry and browsing instructions using remote control to screenshotss interface server, and screenshotss interface server is according to end
The picture frame on video screenshotss memory is searched in the instruction at end, and is sent to set top box；User checks, screened on the set-top box
After it is determined that, issue instruction is sent by screenshotss interface server, it is outside that screenshotss interface server screens user the image confirmed
Issue.
Embodiment two：
Such as Fig. 1, using mobile terminal as terminal, sectional drawing apply information that registration user is required when using first time and
Set-top box device information is bound, user opens sectional drawing application on the mobile terminal device, sends screenshotss request；
After mobile terminal screenshotss, channel number, user characteristics coding and current screenshotss etc. are submitted to cut to screenshotss interface server
Shield required parameter；
Screenshotss request of the screenshotss interface server response from mobile terminal, obtain channel number, user characteristics coding and work as
The time of preceding screenshotss；
Screenshotss interface server establishes screenshotss request queue, and is movement by the screenshotss time point in screenshotss required parameter
Terminal establishes mapping relations with the timestamp in the buffer area of video interception server and correspondence image frame；
Video interception server performs screenshotss instruction, and the timestamp asked according to screenshotss sends correspondence image frame to video
Screenshotss memory；
Mobile terminal sends inquiry and browsing instructions to screenshotss interface server, and screenshotss interface server is according to mobile terminal
Instruction search picture frame on video screenshotss memory, and send to mobile terminal；User checks, screened on mobile terminals
After it is determined that, issue instruction is sent by screenshotss interface server, it is outside that screenshotss interface server screens user the image confirmed
Issue.
The screenshotss interface server searches the picture frame on video screenshotss memory, except comprising with terminal triggered time point
Outside the picture frame of corresponding timestamp, the figure also within a bit of time before and after timestamp corresponding to triggered time point
As frame, it is preferred that, the picture frame in 1 second before and after timestamp corresponding to triggered time point is selected, facilitates user to have more
More selections, while prevent because user clicked on time error caused by the reason such as slow.
Claims (4)
- A kind of 1. live telecast screen-cutting system, it is characterised in that including；Video interception server, live signal IP multicast data flows addresses is obtained, receive video flowing, and establish the timestamp of video and right Answer the buffering area of picture frame；The timestamp asked according to screenshotss sends correspondence image frame to video screenshotss memory；Terminal, for sending screenshotss request, inquiry and browsing instructions and issue instruction；Screenshotss interface server, it is used for the screenshotss request of receiving terminal, obtains the screenshotss required parameter in screenshotss request, pass through Screenshotss required parameter is that terminal establishes mapping relations with timestamp and correspondence image frame in the buffer area of video interception server；Connect Inquiry and the browsing instructions of terminal are received, search the picture frame on video screenshotss memory, and forward it to terminal；Receiving terminal Issue instruction, by terminal screen confirm picture frame outwards issue；Video screenshotss memory, the timestamp to be asked according to screenshotss store correspondence image frame.
- A kind of 2. live telecast screenshotss method, it is characterised in that comprise the following steps：Video interception server obtains the IP multicast data flows address of live signal, receives video flowing, establishes the timestamp of video and right Answer the buffering area of picture frame；Screenshotss are triggered by terminal to ask, the response of screenshotss interface server carrys out the screenshotss request of self terminal, and obtaining corresponding screenshotss please Parameter is sought, while establishes screenshotss request queue, and is terminal and the buffer area of video interception server by screenshotss required parameter In timestamp and correspondence image frame establish mapping relations；The mapping relations that video interception server is established according to screenshotss interface server, and the timestamp asked according to screenshotss is sent out Correspondence image frame is sent to video screenshotss memory；Terminal sends inquiry and browsing instructions to screenshotss interface server again, and screenshotss interface server searches video screenshotss memory On picture frame, and send to terminal；After terminal screening determines, issue instruction is sent by screenshotss interface server, screenshotss interface server screens terminal true The picture frame recognized outwards is issued.
- A kind of 3. live telecast screenshotss method according to claim 2, it is characterised in that：The screenshotss interface server is looked into The picture frame looked on video screenshotss memory, in addition to the picture frame comprising timestamp corresponding with terminal triggered time point, also Picture frame before and after timestamp corresponding to triggered time point in 1 second.
- A kind of 4. live telecast screenshotss method according to claim 2, it is characterised in that：The screenshotss required parameter bag Include：Channel number, current point in time and user characteristics coding.
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| CN201310299366.9A CN103369372B (en) | 2013-07-17 | 2013-07-17 | A kind of live telecast screen-cutting system and method |
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| CN201310299366.9A CN103369372B (en) | 2013-07-17 | 2013-07-17 | A kind of live telecast screen-cutting system and method |
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| CN103369372A CN103369372A (en) | 2013-10-23 |
| CN103369372B true CN103369372B (en) | 2017-11-10 |
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| CN107040825B (en) * | 2013-11-20 | 2020-06-30 | 海信集团有限公司 | Terminal, television, multi-screen interaction system and screen capture parameter setting method |
| CN103634683A (en) * | 2013-11-29 | 2014-03-12 | 乐视致新电子科技（天津）有限公司 | Screen capturing method and device for intelligent televisions |
| CN103870110B (en) * | 2013-12-06 | 2017-07-25 | 深圳Tcl新技术有限公司 | Instant screenshot method and device |
| CN104796753A (en) * | 2014-01-21 | 2015-07-22 | 夏普株式会社 | TV program picture frame capturing device and system, TV program picture frame obtaining device, and method |
| CN104023248A (en) * | 2014-06-25 | 2014-09-03 | 北京奇艺世纪科技有限公司 | Video screen capturing method and device |
| CN104023272B (en) * | 2014-06-25 | 2018-12-14 | 北京奇艺世纪科技有限公司 | A kind of video pictures edit methods and device |
| CN104616241A (en) * | 2014-07-24 | 2015-05-13 | 腾讯科技（北京）有限公司 | Video screen-shot method and device |
| CN104602102B (en) * | 2014-07-24 | 2018-06-01 | 腾讯科技（北京）有限公司 | Transmission response method, apparatus, server and the system of video intercepting content |
| CN105451082A (en) * | 2014-08-27 | 2016-03-30 | 乐视致新电子科技（天津）有限公司 | Intelligent television screen capture method and intelligent television screen capture device based on external signal source |
| CN105592319B (en) * | 2014-10-23 | 2019-07-26 | 上海天脉聚源文化传媒有限公司 | A kind of server screenshot method and server |
| CN104754390A (en) * | 2015-03-26 | 2015-07-01 | 广东欧珀移动通信有限公司 | Method and device for acquiring live program pictures of TV |
| CN104883583B (en) * | 2015-06-05 | 2017-11-21 | 广东欧珀移动通信有限公司 | A kind of method and device for obtaining Online Video sectional drawing |
| CN105429905A (en) * | 2015-12-23 | 2016-03-23 | 广州小百合信息技术有限公司 | Method, device and system for monitoring advertisement putting terminal |
| CN106028092B (en) * | 2016-05-25 | 2019-03-19 | 天脉聚源(北京)传媒科技有限公司 | A kind of sharing method and device of TV screenshotss |
| CN106412708B (en) * | 2016-10-21 | 2019-07-09 | 上海与德信息技术有限公司 | A kind of video interception method and device |
| CN107959864B (en) * | 2017-11-06 | 2022-03-25 | 北京小米移动软件有限公司 | Screen capture control method and device |
| CN108063949A (en) * | 2017-12-11 | 2018-05-22 | 威创集团股份有限公司 | Image screenshotss method, apparatus and screenshotss server |
| CN109309843A (en) * | 2018-07-25 | 2019-02-05 | 北京达佳互联信息技术有限公司 | Video distribution method, terminal and server |
| CN110971937B (en) * | 2018-09-30 | 2022-02-22 | 武汉斗鱼网络科技有限公司 | Regulation and control method, storage medium, electronic device and system for screenshot service |
| CN109413482A (en) * | 2018-10-19 | 2019-03-01 | 北京奇艺世纪科技有限公司 | A kind of control method of video playing and a kind of terminal device |
| CN110457522B (en) * | 2019-08-15 | 2022-09-06 | 北京字节跳动网络技术有限公司 | Information sharing method and device, terminal and storage medium |
| CN110673919A (en) * | 2019-09-27 | 2020-01-10 | 青岛海信电器股份有限公司 | Screen capturing method and device |
| CN112040260A (en) * | 2020-08-28 | 2020-12-04 | 咪咕视讯科技有限公司 | Screenshot method, screenshot device, screenshot equipment and computer-readable storage medium |
| CN112261453A (en) * | 2020-10-22 | 2021-01-22 | 北京小米移动软件有限公司 | Method, device and storage medium for transmitting subtitle splicing map |
| CN112559111B (en) * | 2021-02-25 | 2021-05-18 | 全时云商务服务股份有限公司 | Screen capturing method and device for sharing desktop |
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Address after: 510010, No. 233 middle ring road, Guangzhou, Guangdong, Yuexiu District Applicant after: Guangzhou Zhujiang digital group Limited by Share Ltd Address before: 510010, No. 233 middle ring road, Guangzhou, Guangdong, Yuexiu District Applicant before: Guangzhou Zhujiang Digital Group Co., Ltd. |
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Denomination of invention: Live television screen capturing system and live television screen capturing method Effective date of registration: 20200611 Granted publication date: 20171110 Pledgee: China Co. truction Bank Corp Guangzhou Yuexiu branch Pledgor: GUANGZHOU ZHUJIANG DIGITAL MEDIA GROUP Co.,Ltd. Registration number: Y2020980002976 |
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Address after: 510010 No. 233, Huanshi Middle Road, Yuexiu District, Guangzhou, Guangdong Patentee after: China Radio and television Guangzhou network Co.,Ltd. Address before: 510010 No. 233, Huanshi Middle Road, Yuexiu District, Guangzhou, Guangdong Patentee before: GUANGZHOU ZHUJIANG DIGITAL MEDIA GROUP CO.,LTD. |
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Date of cancellation: 20220509 Granted publication date: 20171110 Pledgee: China Co. truction Bank Corp Guangzhou Yuexiu branch Pledgor: GUANGZHOU ZHUJIANG DIGITAL MEDIA GROUP CO.,LTD. Registration number: Y2020980002976 |