CN100454981C - Method of generating snapshot document of engineering - Google Patents
Method of generating snapshot document of engineering Download PDFInfo
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- CN100454981C CN100454981C CNB2007101776486A CN200710177648A CN100454981C CN 100454981 C CN100454981 C CN 100454981C CN B2007101776486 A CNB2007101776486 A CN B2007101776486A CN 200710177648 A CN200710177648 A CN 200710177648A CN 100454981 C CN100454981 C CN 100454981C
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Abstract
The embodiment of the invention discloses a generation system for project snapshot file. The system includes a nonlinear editing server used for rendering a special effect part of storyboard materials into temporary materials and carrying out re-contraposition for the temporary materials and a non-special effect part of the storyboard materials so as to generate a project snapshot file. The project snapshot file is a public one. By adopting the embodiment of the invention, the nonlinear editing server renders a special effect part of storyboard materials into temporary materials and carries out re-contraposition for the temporary materials and a non-special effect part of the storyboard materials to generate a project snapshot file, and then a snapshot synthesis server extracts and re-organizes data from original materials according to the project snapshot file so as to finally generate a played video file. Therefore, the codec which is not related to video and audio is realized, and only cut or combined program synthesis of data level is carried out with a speed the same with the copy speed of file, thus increasing the timeliness of program, news program in particular.
Description
Technical field
The present invention relates to the video image technical field, particularly a kind of generation method of engineering snapshot document.
Background technology
In the prior art, after TV station finished an editing saving, it was synthetic Storyboard need to be carried out the engineering packing, synthesizes a file that can broadcast.Wherein, Storyboard also is sequence, is the place that the user put and arranged material, the place of promptly editing material, and editor's action comprises the context of adjusting material, adds stunt etc. on material.Mainly comprise audio frequency, video and stunt track in the Storyboard.Because the making of stunt is unit with the frame, can't be synthetic with the file that compressed, therefore if having stunt in the Storyboard, be decoded into the data of an original frame one frame, again in conjunction with the stunt recompile earlier with the video file decoding.
The news program of making in the News Network of each rank TV station at present has significantly different with the program that other manufacturing systems are made, mainly show as, after the news material enters nonlinear editing system, non-editing system is to shear and concatenation to the major part operation that the news material carries out, and the use amount of stunt is less relatively.Generally, stunt play up that interval occupation rate to whole interval generally is no more than 5%.Although the occupation rate that stunt is played up is very little,, is loaded into server then and broadcasts, as shown in Figure 1 because the material that the operator scheme of present each TV station all is non-linear editing system compiles to be finished after passing, carries out the engineering packing to this material again.Even having caused in one section material of 10 minutes, such mode of operation only have 2 seconds even shorter stunt to play up the interval, when packing, engineering also has to whole 10 minutes material is all decoded, again in conjunction with the stunt recompile, and wherein 9 minutes 58 seconds material is actually and does not need to carry out again coding-decoding operation fully, this has just caused temporal significant wastage, has had a strong impact on the ageing of whole news.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
When carrying out the engineering packing, to carry out coding-decoding operation again to the material that comprises stunt, caused temporal waste, also influenced program, especially news program is ageing.
Summary of the invention
The embodiment of the invention provides a kind of generation method of engineering snapshot document, to realize the saving time of material being carried out coding-decoding operation, improves the ageing of program, especially news program.
For achieving the above object, the embodiment of the invention provides a kind of generation method of engineering snapshot document, may further comprise the steps: judge whether comprise the stunt part in the Storyboard material,, then the stunt in the described Storyboard material is partly played up interim material if comprise;
Non-stunt in described interim material and the described Storyboard material is partly carried out contraposition again generate engineering snapshot document.
Wherein, described stunt in the Storyboard material is partly played up interim material before, also comprise: the non-linear editing server is edited raw data in described Storyboard, and preserves the Storyboard material that described editor finishes.
Wherein, after the non-stunt in described interim material and the described Storyboard material partly being carried out the generation of contraposition again engineering snapshot document, also comprise: review of a film by the censor server is examined described engineering snapshot document; If it is qualified to examine, then the snapshot synthesis server generates the final video file that broadcasts according to described engineering snapshot document visit raw data.
Wherein, after the non-stunt in described interim material and the described Storyboard material partly being carried out the generation of contraposition again engineering snapshot document, also comprise:
The effect that the examination of review of a film by the censor server is play described Storyboard material according to described engineering snapshot document;
If it is qualified to examine, then the snapshot synthesis server generates the final video file that broadcasts according to described engineering snapshot document visit raw data.
Wherein, after the effect that described review of a film by the censor server examination is play described Storyboard material according to described engineering snapshot document, also comprise: if examine defectively, then described non-linear editing server is edited once more described raw data and is generated another engineering snapshot document.
Wherein, after described snapshot synthesis server generated the final video file that broadcasts according to described engineering snapshot document visit raw data, also comprise: described snapshot synthesis server was loaded into broadcasting server with described video file and broadcasts.
Wherein, described engineering snapshot document comprises: the positional information of described stunt part, go into point, go out dot information.
Wherein, described engineering snapshot document also comprises: the positional information of described non-stunt part, go into point, go out dot information.
Wherein, described engineering snapshot document is disclosed snapshot document.
On the other hand, the embodiment of the invention also provides a kind of computer program, comprises that some instructions are in order to carry out the generation method of described engineering snapshot document.
On the one hand, the embodiment of the invention also provides a kind of storage medium, stores described computer program again.
Again on the one hand, the embodiment of the invention also provides a kind of computer equipment, comprises in order to the software of the generation method of carrying out described engineering snapshot document and the hardware that cooperates with software.
Compared with prior art, the embodiment of the invention has the following advantages: pass through the embodiment of the invention, stunt in the Storyboard material is partly played up interim material, and will this interim material and the Storyboard material in non-stunt partly carry out contraposition again and generate engineering snapshot document, then according to this project snapshot document, according to the broadcast order of video/audio, from raw data, data are extracted and the final video file that broadcasts of the generation of recombinating.Thereby realized not relating to the encoding and decoding of looking audio frequency, and it is synthetic only to carry out the program of other shearing of data level or merging, speed and document copying speed are basic identical, have improved the ageing of program, especially news program.
Description of drawings
Fig. 1 is the synthetic flow chart that broadcasts of prior art video;
Fig. 2 is the flow chart of the generation method of embodiment of the invention engineering snapshot document;
Fig. 3 is the flow chart of the generation method embodiment one of engineering snapshot document of the present invention;
Embodiment
The embodiment of the invention provides a kind of generation method of engineering snapshot document, pass through the embodiment of the invention, the non-linear editing server is when the Storyboard material that the preservation editor finishes, automatically the stunt in the Storyboard material is partly played up interim material, and the non-stunt in these interim materials and the Storyboard material partly carried out contraposition again, generate engineering snapshot document.Then, the snapshot synthesis server generates the final engineering snapshot document that broadcasts according to this project snapshot document visit raw data, thereby realized only the material that contains the stunt part being carried out coding-decoding operation, save the time of material being carried out coding-decoding operation, improved the ageing of program, especially news program.
As shown in Figure 2, the flow chart for the generation method of embodiment of the invention engineering snapshot document specifically may further comprise the steps:
Step S201 edits raw data in Storyboard, and preserves the Storyboard material that editor finishes.The method that the embodiment of the invention provides is applicable to the process that produces and generates of any video, but the embodiment of the invention describes with the example that is made as of news program.In News Network, the non-linear editing server is edited raw data in Storyboard, and preserves the Storyboard material that editor finishes.
Step S202 judges whether comprise the stunt part in the Storyboard material, if comprise, then this Storyboard material is divided into stunt part and non-stunt part.When preserving the Storyboard material, the non-linear editing server judges in this Storyboard material whether comprise the stunt part, if comprise, then this non-linear editing server is divided into stunt part and non-stunt part with the Storyboard material.If do not comprise the stunt part in this Storyboard material, then the non-linear editing server directly generates engineering snapshot document according to this Storyboard material.This project snapshot document is disclosed, snapshot document that can be general.
Step S203 partly plays up interim material with the stunt in the Storyboard material.After the non-linear editing server judged to comprise the stunt part in this Storyboard material, this non-linear editing server was partly played up interim material with the stunt in this Storyboard material.
Step S204 partly carries out contraposition again with the non-stunt in interim material and the Storyboard material.After the stunt in the Storyboard material is partly played up interim material, the non-linear editing server will this interim material and the Storyboard material in non-stunt partly carry out contraposition again, to generate engineering snapshot document.
Step S205 generates engineering snapshot document.If comprise the stunt part in the Storyboard material, then the non-linear editing server will this interim material and the Storyboard material in non-stunt partly carry out contraposition again after, generate engineering snapshot document.If do not comprise the stunt part in the Storyboard material, then the non-linear editing server directly generates engineering snapshot document according to this Storyboard material.This project snapshot document is disclosed, snapshot document that can be general.
Step S206, the snapshot synthesis server generates the final video file that broadcasts according to engineering snapshot document visit raw data.Before the snapshot synthesis server generates the final video file that broadcasts according to engineering snapshot document visit raw data, the effect that the examination of review of a film by the censor server is play the Storyboard material according to this project snapshot document, if it is qualified to examine, then the snapshot synthesis server generates the final video file that broadcasts according to this project snapshot document visit raw data.If examine defectively, then the non-linear editing server is edited once more raw data and is generated another engineering snapshot document, and this project snapshot document will replace the engineering snapshot document of original generation.After the snapshot synthesis server generates the final video file that broadcasts according to engineering snapshot document, the video file that generates is loaded into broadcasting server broadcasts.
The generation method of above-mentioned engineering snapshot document, the non-linear editing server is partly played up interim material with the stunt in the Storyboard material, and will this interim material and the Storyboard material in non-stunt partly carry out contraposition again and generate engineering snapshot document, then according to this project snapshot document, according to the broadcast order of video/audio, from raw data, data are extracted and the final video file that broadcasts of the generation of recombinating.Thereby realized not relating to the encoding and decoding of looking audio frequency, and it is synthetic only to carry out the program of other shearing of data level or merging, speed and document copying speed are basic identical, have improved the ageing of program, especially news program.
As shown in Figure 3, the flow chart for the generation method embodiment one of engineering snapshot document of the present invention specifically may further comprise the steps:
Step S301, the non-linear editing server is edited raw data.For convenience of description, supposing to have 10 minutes forms of a segment length is DV25, and code check is 25MB/s; Degree is that the news material of 14580 frames is waited for editor.The non-linear editing server in Storyboard to this 10 minutes long materials shear revise after, the material duration becomes 9 minutes and 20 seconds.Simultaneously added stunt at a place of this material, duration 3 seconds.After editor finished, the non-linear editing server was preserved the Storyboard material that editor finishes.
Step S302, the non-linear editing server is divided into stunt part and non-stunt part with the Storyboard material.When preserving the Storyboard material that editor finishes, the non-linear editing server is divided into stunt part and non-stunt part with the Storyboard material, and soon the Storyboard material partly is a benchmark with 3 seconds stunt, and this Storyboard material is divided into three joints.
Step S303, the non-linear editing server is partly played up interim material with the stunt in the Storyboard material.The Storyboard material is divided into stunt part and non-stunt partly after, the non-linear editing server is partly played up interim material with 3 seconds stunt in the Storyboard material.
Step S304, non-linear editing server partly carry out contraposition again with the non-stunt in interim material and the Storyboard material and generate engineering snapshot document.3 seconds stunt is partly played up after the interim material in the Storyboard material, the non-linear editing server will this interim material and the other two joints non-stunt that do not contain stunt partly carry out contraposition again, and generate an engineering snapshot document.This project snapshot document is disclosed, snapshot document that can be general.Play up speed for calculating in real time by stunt, the time that generates this project snapshot document was 3 seconds.The result of broadcast of the result of broadcast of this project snapshot document and Storyboard material is identical.
Step S305, the effect that the examination of review of a film by the censor server is play the Storyboard material according to engineering snapshot document.If it is qualified to examine, then execution in step S307 generates the final engineering snapshot document that broadcasts by the snapshot synthesis server according to this project snapshot document; If examine defectively, then execution in step S306 regenerates another engineering snapshot document.
Step S306 edits another engineering snapshot document of generation once more to the Storyboard material.If the effect that review of a film by the censor server examination is play the Storyboard material according to this project snapshot document is defective, then the non-linear editing server regenerates another engineering snapshot document according to the flow process of step S301～step S304, and this project snapshot document will replace original engineering snapshot document that generates.
Step S307, the snapshot synthesis server generates the final video file that broadcasts according to engineering snapshot document visit raw data.On the basis of the final engineering snapshot document that generates, the snapshot synthesis server is according to the broadcast order of video/audio, and the visit raw data is extracted data from raw data and recombinated, and generates the final video file that broadcasts.Snapshot is synthetic to be other shearing of data level or merging fully, does not relate to the encoding and decoding of looking audio frequency, and speed and document copying speed are basic identical.
Step S308, the snapshot synthesis server is loaded into broadcasting server with the video file that generates and broadcasts.
The embodiment of the invention compared with prior art, very big lifting has been arranged aspect security and stability, show that network cluster plays up in the mechanism, no longer need to use synthesis server based on the non-linear editing engine, but employing is based on the snapshot synthesis server of transcoding engine, make engine obtain great simplification, thereby make the stability of snapshot synthesis server that qualitative leap arranged.And because the snapshot synthesis server is not based on the non-linear editing engine, to CPU (Central Processing Unit, central processing unit), video card GPU (Graphic Processing Unit, graphic process unit), the demand of performance such as platform reduces greatly, use common server can finish the synthetic task of snapshot, make the cost performance of snapshot synthesis server unit be greatly improved.
In addition, what review of a film by the censor server was seen is last broadcast effect, can be because of after the examination synthetic once more, not cause new picture to go wrong, as folder frame, noiseless, black etc.And record and broadcast efficient will be risen to 12.7: 1 and be synthesized by packing in present 2.83: 1, is original 4.5 times, has improved the ageing of news program greatly.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (8)
1, a kind of generation method of engineering snapshot document is characterized in that, may further comprise the steps:
Judge whether comprise the stunt part in the Storyboard material,, then the stunt in the Storyboard material is partly played up interim material if comprise;
Non-stunt in described interim material and the described Storyboard material is partly carried out contraposition again generate engineering snapshot document.
2, the generation method of engineering snapshot document according to claim 1, it is characterized in that, described stunt in the Storyboard material is partly played up interim material before, also comprise: the non-linear editing server is edited raw data in described Storyboard, and preserves the Storyboard material that described editor finishes.
3, the generation method of engineering snapshot document according to claim 1 is characterized in that, also comprises after contraposition again generates engineering snapshot document in that the non-stunt in described interim material and the described Storyboard material is partly carried out:
The effect that the examination of review of a film by the censor server is play described Storyboard material according to described engineering snapshot document;
If it is qualified to examine, then the snapshot synthesis server generates the final video file that broadcasts according to described engineering snapshot document visit raw data.
4, as the generation method of engineering snapshot document as described in the claim 3, it is characterized in that, after the effect that described review of a film by the censor server examination is play described Storyboard material according to described engineering snapshot document, also comprise: if examine defectively, then described non-linear editing server is edited once more described raw data and is generated another engineering snapshot document.
5, as the generation method of engineering snapshot document as described in the claim 3, it is characterized in that, after described snapshot synthesis server generated the final video file that broadcasts according to described engineering snapshot document visit raw data, also comprise: described snapshot synthesis server was loaded into broadcasting server with described video file and broadcasts.
6, the generation method of engineering snapshot document according to claim 1 is characterized in that described engineering snapshot document comprises: the positional information of described stunt part, go into point, go out dot information.
7, the generation method of engineering snapshot document according to claim 1 is characterized in that described engineering snapshot document also comprises: the positional information of described non-stunt part, go into point, go out dot information.
8, as the generation method of engineering snapshot document as described in any one of the claim 1 to 7, it is characterized in that described engineering snapshot document is disclosed snapshot document.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101776486A CN100454981C (en) | 2007-11-19 | 2007-11-19 | Method of generating snapshot document of engineering |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007101776486A CN100454981C (en) | 2007-11-19 | 2007-11-19 | Method of generating snapshot document of engineering |
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| CN101179666A CN101179666A (en) | 2008-05-14 |
| CN100454981C true CN100454981C (en) | 2009-01-21 |
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| CN102572302B (en) * | 2010-12-31 | 2017-02-08 | 新奥特（北京）视频技术有限公司 | Multi treatment methods for key frame curve after modifying exit and entry points of materials |
| CN105472207A (en) * | 2015-11-19 | 2016-04-06 | 中央电视台 | Method and device for video audio file rendering |
| CN106658053B (en) * | 2016-09-26 | 2020-04-10 | 新奥特（北京）视频技术有限公司 | Non-linear editing method and device for programs |
| CN108268432B (en) * | 2017-12-14 | 2022-02-01 | 中央电视台 | Program engineering file conversion method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344106A (en) * | 2000-09-15 | 2002-04-10 | 北京算通数字技术研究中心有限公司 | Edition method for non-linear edition system based on MPEG-2 code stream |
| CN1426224A (en) * | 2002-12-02 | 2003-06-25 | 北京贝尔科技发展有限公司 | Fast real-time dubbing method of non-linear editing system |
| WO2005050999A1 (en) * | 2003-11-18 | 2005-06-02 | Koninklijke Philips Electronics N.V. | Reproduction of a trick play signal |
| CN1777269A (en) * | 2005-12-01 | 2006-05-24 | 上海交通大学 | Intelligent network high-definition non-linear editing system |
| WO2006055199A2 (en) * | 2004-11-12 | 2006-05-26 | Thomson Licensing | Film grain simulation for normal play and trick mode play for video playback systems |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344106A (en) * | 2000-09-15 | 2002-04-10 | 北京算通数字技术研究中心有限公司 | Edition method for non-linear edition system based on MPEG-2 code stream |
| CN1426224A (en) * | 2002-12-02 | 2003-06-25 | 北京贝尔科技发展有限公司 | Fast real-time dubbing method of non-linear editing system |
| WO2005050999A1 (en) * | 2003-11-18 | 2005-06-02 | Koninklijke Philips Electronics N.V. | Reproduction of a trick play signal |
| WO2006055199A2 (en) * | 2004-11-12 | 2006-05-26 | Thomson Licensing | Film grain simulation for normal play and trick mode play for video playback systems |
| CN1777269A (en) * | 2005-12-01 | 2006-05-24 | 上海交通大学 | Intelligent network high-definition non-linear editing system |
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