CN102196231B - Method and system for realizing real-time publication of competition scenes - Google Patents
Method and system for realizing real-time publication of competition scenes Download PDFInfo
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- CN102196231B CN102196231B CN201010126899.3A CN201010126899A CN102196231B CN 102196231 B CN102196231 B CN 102196231B CN 201010126899 A CN201010126899 A CN 201010126899A CN 102196231 B CN102196231 B CN 102196231B
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Abstract
The invention provides a method and system for realizing real-time publication of competition scenes. The method comprises the following steps of: generating audio-video materials in a preset time period by carrying out file fragmentation on the materials; meanwhile, recording absolute starting time and finishing time of each fragment of the materials, and recording the absolute time of a key scene in the competition in real time to obtain an enter-point of the key scene of the current material according to a time difference between the recorded absolute time of the key scene and the absolute starting time of a relative section of the materials, and clipping the key scene for playing back; therefore, the real-time extraction of the key scene of the competition is realized, and the requirement for fast playback is met.
Description
Technical field
The present invention relates to radio, TV and film industries program play-back technology field, particularly relate to a kind of implementation method and system of camera lens real-time release of competing.
Background technology
In Large Physical Games IBC system (International Broadcasting Center), the general race sharing functionality having match material, in sports event live broadcast process, generally can use real-time log keeping system, record the key message of the match live content of just having pass by, such as shooting moment etc., in order to broadcast playback, this just requires that contrast match competition field signal gathers, then, complete video and audio file according to collection content, extract key frame picture, and record script holder event information is for people's retrieval.
But generally, if match does not terminate, the video and audio file of the match picture of collection is inoperable, the match video recording before also just having no idea to edit, the crucial camera lens before also just having no idea to find fast.
Therefore, the technical problem solved in the urgent need to those skilled in the art is at present exactly: how can crucial camera lens in contest show is play before finding real-time for playback, to meet the demand of quick playback in practical application.
Summary of the invention
Technical problem to be solved by this invention is a kind of implementation method and system of camera lens real-time release of competing, and in order to realize in real time, rapidly, camera lens crucial in match is carried out playback.
In order to solve the problem, the invention discloses a kind of implementation method of camera lens real-time release of competing, comprising:
Include step: the video/audio signal gathering match, generate the video and audio material of preset time period, meanwhile, record Absolute start time and the end time of every section of material;
Recording step: the absolute time of the crucial camera lens in real time record match;
Editing step: according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain crucial camera lens in current material enters a little, and the crucial camera lens of editing carries out playback.
Preferably, described editing step comprises following sub-step:
Obtain sub-step: according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding material, what obtain crucial camera lens in current material enters a little;
Editing sub-step: enter a little according to obtained crucial camera lens, the crucial camera lens of editing;
Playback sub-step: the crucial camera lens that playback editing obtains.
Preferably, described method also comprised before including step:
Setting procedure: set the current time period that will generate video and audio material.
What present invention also offers a kind of camera lens real-time release of competing realizes system, comprising:
Include module, for gathering the video/audio signal of match, generating the video and audio material of preset time period, meanwhile, recording Absolute start time and the end time of every section of material;
Logging modle, for the absolute time of the crucial camera lens in real time record match;
Editing module, for the time difference according to the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain crucial camera lens in current material enters a little, and the crucial camera lens of editing carries out playback.
Preferably, described editing module comprises following submodule:
Obtain submodule, for the time difference according to the absolute time of recorded crucial camera lens and the Absolute start time of corresponding material, what obtain crucial camera lens in current material enters a little;
Editing submodule, for entering a little according to obtained crucial camera lens, the crucial camera lens of editing;
Playback submodule, for the crucial camera lens that playback editing obtains.
Preferably, described system also comprises:
Setting module, for setting the current time period that will generate video and audio material.
Compared with prior art, the present invention has the following advantages:
The present invention is on the basis of existing script holder, by to material file segmentation, generate the video and audio material of preset time period, record Absolute start time and the end time of every section of material simultaneously, according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain the crucial camera lens of current material enters a little, and the crucial camera lens of editing carries out playback, achieve the real-time extraction to crucial camera lens, meet the demand of quick playback.
Accompanying drawing explanation
Fig. 1 is the implementation method flow chart of a kind of camera lens real-time release of competing described in the embodiment of the present invention one;
Fig. 2 be a kind of camera lens real-time release of competing described in the embodiment of the present invention two realize system construction drawing.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The present invention can be widely used in the Olympic Games, the Asian Games, the National Games, the World College Students Games, Paralympic Games, world's indoormeet, comprises in the realization of the match camera lens real-time release involved by broadcast of above any large-scale synthesis competitive sports.
Along with the integration of global economy, physical culture is this can enrich Social Culture life, have object, consciously, organized social activities, have also been obtained development at full speed, holding of various international large-scale synthesis competitive sports is also more and more frequent, if can find the implementation method of a kind of large-scale synthesis competitive sports match camera lens real-time release, so in race, the playback of crucial camera lens will become easily a lot, a large amount of human and material resources and financial resource will be saved, meet more application demand.
Therefore, inventor herein is one of core idea proposing the embodiment of the present invention creatively, namely by the mode to material file segmentation, generate the video and audio material of preset time period, simultaneously, record Absolute start time and the end time of every section of material, and the absolute time of the crucial camera lens in real time record match, according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain the crucial camera lens of current material enters a little, the crucial camera lens of editing carries out playback, achieve the real-time extraction to crucial camera lens, meet the demand of quick playback.
Embodiment one:
With reference to Fig. 1, show the method flow diagram that a kind of programme content outer net of the present invention is issued, described method specifically comprises:
Include step S101: the video/audio signal gathering match, generate the video and audio material of preset time period, meanwhile, record Absolute start time and the end time of every section of material;
Preferably, described method also comprised before including step S101:
Setting procedure S100: set the current time period that will generate video and audio material.
Before match starts, set the time period of the current video and audio material that will generate, in practical application, the time period can carry out sets itself according to the demand that playbacks of this competition, as setting: the material that generation in every 10 minutes a section is complete, or within every 5 minutes, generate the time period of one section of complete material etc. and so on, by gathering the video/audio signal of match, generate the video and audio material of preset time period, meanwhile, Absolute start time and the end time of every section of material is recorded.
In order to illustrate core concept of the present invention, suppose in the present embodiment to describe in detail in the match that 9 o'clock sharps of on November 16th, 2009 start for NBA playoff rocket VS Lakers, the wherein set time period is 10 minutes, that is, gather time from match, often gather 10 minutes and just generate one section of video and audio material file of 10 minutes, and record Absolute start time and the end time of every section of material, obviously, the Absolute start time of first paragraph material was 9 o'clock sharps, end time is 9: 10, the Absolute start time of second segment material is 9: 10, end time is 9: 20, etc. the Absolute start time of other each section of material and end time also similarly carry out record, here remark additionally a bit, final stage material may not be the default time period, also be less than 10 minutes just to terminate, as long as also register Absolute start time and end time are just passable accurately in this case.
Recording step S102: the absolute time of the crucial camera lens in real time record match;
Multiple crucial camera lens can be there is in bout, in Basketball Match as occurred grabbing, dunk shot, three points, the camera lens crucial camera lens all at last of foul etc. and so on.
Specific to above-mentioned example, such as in first paragraph material, when 9: 3: 15, what Shane Battier was beautiful grabs once, and carried out a dunk shot at 9: 3: 18, record the absolute time grabbed 9: 3: 15 and the absolute time of dunk shot 9: 3: 18, again or in second segment material, when 9: 15: 20, Yao Ming gets a rebound, and dropped into a three-pointer at 9: 15: 30, the absolute time of the absolute time 9: 15: 20 that same record is secured a rebound and input three-pointer 9: 15: 30, again in such as the 3rd section of material, Bryant records its absolute time in so-and-so moment dunk shot etc.
Editing step S103: according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain crucial camera lens in current material enters a little, and the crucial camera lens of editing carries out playback.
Preferably, described editing step S103 comprises following sub-step:
Obtain sub-step S1031: according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding material, what obtain crucial camera lens in current material enters a little;
Editing sub-step S1032: enter a little according to obtained crucial camera lens, the crucial camera lens of editing;
Playback sub-step S1033: the crucial camera lens that playback editing obtains.
By the time difference of the Absolute start time of section material corresponding to the absolute time of crucial camera lens recorded above and current key camera lens, what can get crucial camera lens in current material enters a little, and enter a little according to obtained, the crucial camera lens of editing carries out playback.
The method that the editing work of each Highlight adopts is all identical, here be just specifically described at the crucial camera lens of 9: 15: 30 input three-pointers for Yao Ming, by obtaining the absolute time 9 o'clock 15 minute 30 second of sub-step S1031 according to recorded crucial camera lens and 5 minutes and the 30 seconds Absolute start time time difference of 9: 10 of corresponding material second segment material, obtaining entering of crucial camera lens in current material is some the place that material starts rear 5 minutes and 30 seconds, here it should be added that, at video field, generally edit in units of frame, can convert according to the time difference herein, in practical application, the time of record is preferably accurate to millisecond, the time made referrals in the present embodiment is specific to second, can be understood as is 0 millisecond of moment, according to Phase Alternation Line system 1 second=25 frame, also be 1 frame=40 millisecond, what converse video and audio material enters a little in units of frame, specifically, 5 points of place correspondences of 30 seconds be drip 8250 two field pictures, editing sub-step S1032 enters a little to be clipped to according to obtained crucial camera lens the crucial camera lens that Yao Ming drops into three-pointer, playback sub-step S1033 puts the crucial camera lens that editing obtains, thus complete the editing playback of crucial camera lens fast, meet the demand of quick playback in practical application.
That in the application of reality, two or more point also can be found to carry out video segment carries out playback.
It should be noted that, in order to concrete is described in the present embodiment, example is selected for multiple situation many places and is introduced, be intended to more detailed description core concept of the present invention.In example, if playback more real-time about the setting needs of time, the shorter time period can be set, as set 3 minutes or 1 minute or being 10 seconds etc. be all fine, simultaneously, also can carry out accurate record according to the actual requirements for recorded absolute time, such as can be as accurate as millisecond.
Embodiment two:
With reference to Fig. 2, what show a kind of camera lens real-time release of competing of the present invention realizes system construction drawing, and described system specifically comprises:
Include module 201, for gathering the video/audio signal of match, generating the video and audio material of preset time period, meanwhile, recording Absolute start time and the end time of every section of material;
Logging modle 202, for the absolute time of the crucial camera lens in real time record match;
Editing module 203, for the time difference according to the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain crucial camera lens in current material enters a little, and the crucial camera lens of editing carries out playback.
Preferably, described editing module 203 comprises following submodule:
Obtain submodule 2031, for the time difference according to the absolute time of recorded crucial camera lens and the Absolute start time of corresponding material, what obtain crucial camera lens in current material enters a little;
Editing submodule 2032, for entering a little according to obtained crucial camera lens, the crucial camera lens of editing;
Playback submodule 2033, for the crucial camera lens that playback editing obtains.
Preferably, described system also comprises:
Setting module 204, for setting the current time period that will generate video and audio material.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For system embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Above the implementation method of a kind of camera lens real-time release of competing provided by the present invention and system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (2)
1. an implementation method for camera lens real-time release of competing, is characterized in that, comprising:
Setting procedure: set the current time period that will generate video and audio material;
Include step: the video/audio signal gathering match, generate the video and audio material of preset time period, meanwhile, record Absolute start time and the end time of every section of material;
Recording step: the absolute time of the crucial camera lens in real time record match;
Editing step: according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain crucial camera lens in current material enters a little, and the crucial camera lens of editing carries out playback;
Described editing step comprises following sub-step:
Obtain sub-step: according to the time difference of the absolute time of recorded crucial camera lens and the Absolute start time of corresponding material, what obtain crucial camera lens in current material enters a little;
Editing sub-step: enter a little according to obtained crucial camera lens, the crucial camera lens of editing;
Playback sub-step: the crucial camera lens that playback editing obtains.
2. camera lens real-time release of competing realize a system, it is characterized in that, comprising:
Setting module, for setting the current time period that will generate video and audio material;
Include module, for gathering the video/audio signal of match, generating the video and audio material of preset time period, meanwhile, recording Absolute start time and the end time of every section of material;
Logging modle, for the absolute time of the crucial camera lens in real time record match;
Editing module, for the time difference according to the absolute time of recorded crucial camera lens and the Absolute start time of corresponding section material, what obtain crucial camera lens in current material enters a little, and the crucial camera lens of editing carries out playback;
Described editing module comprises following submodule:
Obtain submodule, for the time difference according to the absolute time of recorded crucial camera lens and the Absolute start time of corresponding material, what obtain crucial camera lens in current material enters a little;
Editing submodule, for entering a little according to obtained crucial camera lens, the crucial camera lens of editing;
Playback submodule, for the crucial camera lens that playback editing obtains.
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CN104581230A (en) * | 2015-01-20 | 2015-04-29 | 卡内基投资科技有限公司 | Method capable of continuously playing different video clips without regeneration |
CN104581358A (en) * | 2015-01-20 | 2015-04-29 | 卡内基投资科技有限公司 | Method allowing multiple highlights to be recorded simultaneously |
CN109040770A (en) * | 2018-08-27 | 2018-12-18 | 佛山龙眼传媒科技有限公司 | A kind of method, the system of online editing |
CN112633087A (en) * | 2020-12-09 | 2021-04-09 | 新奥特(北京)视频技术有限公司 | Automatic journaling method and device based on picture analysis for IBC system |
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CN101202900A (en) * | 2007-03-12 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Method for switching living broadcast and playback of digital television and video server |
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