CN103152654A - Low-latency video fragment interception technology - Google Patents
Low-latency video fragment interception technology Download PDFInfo
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- CN103152654A CN103152654A CN2013100903102A CN201310090310A CN103152654A CN 103152654 A CN103152654 A CN 103152654A CN 2013100903102 A CN2013100903102 A CN 2013100903102A CN 201310090310 A CN201310090310 A CN 201310090310A CN 103152654 A CN103152654 A CN 103152654A
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Abstract
The invention discloses a low-latency video fragment interception technology; a section of specified video is intercepted from input continuous video stream data; the technology is characterized by comprising the following steps that (1) the input video stream data is fragmented and respectively stored into video source documents with 0.5s to 1.5s as the time interval lengths, and the video source documents are provided with corresponding time marks; (2) the starting time and ending time of the required video are determined; and (3) the video source documents within the specified time range are selected and combined into a complete video document and saved. The invention provides the video interception technology which has the advantages of short consumed time, high response speed and low expenditure of video document combination.
Description
Technical field
The present invention relates to the computer internet technical field, especially relate to a kind of video segment intercepting technology of low delay.
Background technology
along with film, TV, the development of Internet video, numerous films and television programs and programs that splendid contents is arranged have been produced, many loyal spectators that like these works and program have also appearred, there are a lot of spectators can be because of various reasons, can not in time watch and oneself want the programme televised live seen, such as just on the road or the spectators that hurrying on a journey, for convenience of this class spectators, occurred to watch with oneself at any time the portable handheld terminal of program, as mobile TV etc., intuitive with TV media, the portability of broadcast medium, the anelasticity of Newspaper Media and the characteristics such as interactivity of the network media, be subject to welcoming widely, but present mobile TV or a kind of technology that has just grown up, therefore there are a lot of jejune places, its general using stream media technology is come the transmission of video program by the mobile network, resource consumption is large, network easily stops up, also can adopt the method that video frequency program is delayed time and preserved, namely preserve before the current time programme content in the fixed time section for broadcast, and to intercept out one section video in the fixed time scope from the continuous videos flow data of input, require the response time very short again, with existing processing method, generally first to decode to find the appointment original position from a complete video file, then begin intercepting until specify terminal point, the shortcoming of this method is to need decoding, so meeting consuming time is long, the time that consumes is relevant with original position with the length of video file.
Summary of the invention
The present invention be for solve existing video intercepting Technology Need first from a complete video file decoding find the appointment original position, then begin intercepting until specify terminal point, the problem such as expend time in long, provide a kind of need not to expend the long period, the video segment intercepting technology of simple and practical low delay.
To achieve these goals, the present invention is by the following technical solutions: the low video segment intercepting technology that postpones, intercept out the video of one section appointment from the continuous videos flow data of input, comprise following step: 1) the input video flow data is cut into slices, be stored as respectively take 0.5 second to the 1.5 seconds video source file as time interval length, described video source file is stamped corresponding time mark; 2) determine zero-time and the finish time of required video; 3) select the video source Piece file mergence in the fixed time scope become a complete video file and preserve.This programme intercepts the continuous videos flow data and be sliced into the short and small video source file of 0.5 second to 1.5 seconds time span, according to user's needs, the short and small video source file that may be incorporated in the fixed time scope becomes a complete video file, and the expense when merging the video source file is very little, can accomplish to complete in low-down time delay.
As preferably, described video source document time gap length is 1 second.The mode of video stream data being cut into slices take second as unit is easy to according to the time, the video source file be operated and manages, and greatly simplifies the implementation complexity of conventional video buffering, can improve Systems balanth.
Therefore, the present invention has following beneficial effect: 1) expend time in short, and fast response time; 2) expense of merging video file is few.
Embodiment
Below the present invention will be further described.
The low video segment intercepting technology that postpones, intercept out the video of one section appointment from the continuous videos flow data of input, comprise following step: 1) the input video flow data is cut into slices, be stored as respectively take 1 second video source file as time interval length, described video source file is stamped corresponding time mark; 2) determine zero-time and the finish time of required video; 3) select the video source Piece file mergence in the fixed time scope become a complete video file and preserve.
Claims (2)
1. one kind low video segment that postpones intercepts technology, intercept out the video of one section appointment from the continuous videos flow data of input, it is characterized in that, comprise following step: 1) the input video flow data is cut into slices, be stored as respectively take 0.5 second to the 1.5 seconds video source file as time interval length, described video source file is stamped corresponding time mark; 2) determine zero-time and the finish time of required video; 3) select the video source Piece file mergence in the fixed time scope become a complete video file and preserve.
2. the video segment of low delay according to claim 1 intercepting technology, is characterized in that, described video source document time gap length is 1 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903102A CN103152654A (en) | 2013-03-15 | 2013-03-15 | Low-latency video fragment interception technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100903102A CN103152654A (en) | 2013-03-15 | 2013-03-15 | Low-latency video fragment interception technology |
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| CN103152654A true CN103152654A (en) | 2013-06-12 |
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Cited By (8)
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| CN104080005A (en) * | 2014-07-10 | 2014-10-01 | 福州瑞芯微电子有限公司 | Device and method for clipping dynamic pictures |
| CN104780346A (en) * | 2015-03-19 | 2015-07-15 | 四川长虹电器股份有限公司 | Lightweight video information processing method and system |
| CN104883478A (en) * | 2015-06-17 | 2015-09-02 | 北京金山安全软件有限公司 | Video processing method and device |
| CN105049957A (en) * | 2015-07-13 | 2015-11-11 | 无锡天脉聚源传媒科技有限公司 | Video synthesis method based on Web terminal and device thereof |
| CN106412702A (en) * | 2015-07-27 | 2017-02-15 | 腾讯科技（深圳）有限公司 | Video clip interception method and device |
| CN106412691A (en) * | 2015-07-27 | 2017-02-15 | 腾讯科技（深圳）有限公司 | Interception method and device of video images |
| CN109981988A (en) * | 2016-08-11 | 2019-07-05 | 由我互动(北京)科技有限公司 | A kind of video generation method, device and mobile terminal |
| US10638166B2 (en) | 2015-07-27 | 2020-04-28 | Tencent Technology (Shenzhen) Company Limited | Video sharing method and device, and video playing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104080005A (en) * | 2014-07-10 | 2014-10-01 | 福州瑞芯微电子有限公司 | Device and method for clipping dynamic pictures |
| CN104780346A (en) * | 2015-03-19 | 2015-07-15 | 四川长虹电器股份有限公司 | Lightweight video information processing method and system |
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| CN105049957B (en) * | 2015-07-13 | 2018-07-24 | 无锡天脉聚源传媒科技有限公司 | A kind of image synthesizing method and device based on the ends Web |
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| US10638166B2 (en) | 2015-07-27 | 2020-04-28 | Tencent Technology (Shenzhen) Company Limited | Video sharing method and device, and video playing method and device |
| CN109981988A (en) * | 2016-08-11 | 2019-07-05 | 由我互动(北京)科技有限公司 | A kind of video generation method, device and mobile terminal |
| CN109981988B (en) * | 2016-08-11 | 2021-09-14 | 由我互动(北京)科技有限公司 | Video generation method and device and mobile terminal |
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Inventor after: Wang Lei Inventor after: Xie Yan Inventor after: Cui Zheng Inventor before: Wang Lei Inventor before: Jin Ying Inventor before: Cui Zheng |
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Free format text: CORRECT: INVENTOR; FROM: WANG LEI JIN YING CUI ZHENG TO: WANG LEI XIE YAN CUI ZHENG |
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