CN102118584B - Method and device for generating caption moving pictures with curve extension dynamic effect - Google Patents
Method and device for generating caption moving pictures with curve extension dynamic effect Download PDFInfo
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- CN102118584B CN102118584B CN200910244498.5A CN200910244498A CN102118584B CN 102118584 B CN102118584 B CN 102118584B CN 200910244498 A CN200910244498 A CN 200910244498A CN 102118584 B CN102118584 B CN 102118584B
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Abstract
The invention provides a method and device for generating caption moving pictures with a curve extension dynamic effect, and the method comprises the following steps: creating a caption template, wherein the caption template comprises caption pixels and display attributes of the caption pixels; importing a data file, wherein the data file comprises at least one group of caption data, and each group of caption data comprises data names and at least one pair of coordinate values; determining the correspondence between the each group of caption data and the caption template based on the data names and a preset naming rule; and for each group of caption data, successively connecting points determined by the coordinate values and generating curved moving pictures with a curve extension dynamic effect based on the correspondence between the caption pixels and display attributes in the caption template. According to the invention, a caption moving picture with a curve extension dynamic effect which has small occupied space and is convenient for a user to use can be generated.
Description
Technical field
The present invention relates to captions and make field, particularly relate to a kind of caption animation generation method and apparatus that there is curve and extend.
Background technology
The appearance of captions changes the looks of audio-video document greatly, greatly facilitates the understanding of spectators to programme content, easier than simple audio-video frequency content by acceptance, also more directly perceived, reliable.Almost go out in advance TV program and use captions everywhere, its application is very extensive, and as dialogue, libretto, news, and the form of expression of captions is not only confined to word, character etc., can also comprise picture, icon, animation etc.
For the captions of ordinary meaning, be generally produce there is static state display, and dynamically stunt broadcast the captions of effect.Along with the continuous increase of captions application form, in some cases, need to generate special captions variation effect, such as, in marine forecasting program broadcasts, need the captions of formation curve form, general, adopting to draw has the picture of response curve to show as captions, and these captions are the lines of static state display.Lively in order to allow the broadcast of captions upgrade, advance TV procedural requirements can represent the process of curve elongation growth.
Common, use special animation soft to make the animation of dynamic change effect, as FLASH, but its animation file generated takes up room larger.Further, in captions make, need to enable captions Software for producing and action Software for producing, edit respectively, complicated operation.
In a word, the technical problem needing those skilled in the art urgently to solve is exactly: how can utilize existing subtitle fabricating method, generates and has the caption animation that curve extends dynamic effect, and user-friendly.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of caption animation generation method and apparatus having curve and extend, and can generate and have the caption animation that curve extends dynamic effect, and user-friendly.
In order to solve the problem, the invention discloses a kind of caption animation generation method that there is curve and extend, comprising:
Create subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
Importing data film; Wherein, described data file comprises at least one group of caption data, often organizes caption data and comprises data name and at least one pair of coordinate figure;
According to data name and preset naming rule, determine the corresponding relation of the captions pel in each group of caption data and subtitle template;
For often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, connecting the point determined by each pair of coordinate figure successively, generating the curve motion dynamically extended.
Preferably, described method also comprises:
Resolve the data file imported, obtain caption information; Wherein, described caption information comprises: the frame number that curve number, captions number, captions take; Show the data message obtained.
Preferably, described method also comprises:
Receive user and play frame number according to the animation of the data message setting of display; Wherein, play frame number and be greater than the frame number and curve number sum that captions take; Then according to described broadcasting frame number, generate the curve motion dynamically extended and show.
Preferably, the animation of described generation is the animation of NVE form or NVI form.
Preferably, caption data also comprises: word content;
Then for often organizing caption data, by the display properties generating character captions of word content according to corresponding subtitle pel in subtitle template, be superimposed upon on the curve motion dynamically extended according to the coordinate figure in these group data.
In addition, the invention also discloses a kind of caption animation generating apparatus that there is curve and extend, comprising:
Template establishment unit, for creating subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
Data importing unit, for importing data film; Wherein, described data file comprises at least one group of caption data, often organizes caption data and comprises data name and at least one pair of coordinate figure;
Relation corresponding unit, for according to data name and preset naming rule, determines the corresponding relation of the captions pel in each group of caption data and subtitle template;
Animation producing unit, for for often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, connecting the point determined by each pair of coordinate figure successively, generating the curve motion dynamically extended.
Preferably, described device also comprises:
Data Analysis unit, for resolving the data file of importing, obtains caption information; Wherein, described caption information comprises: the frame number that curve number, captions number, captions take;
Information display unit, for showing the data message that data resolution unit obtains.
Preferably, described device also comprises:
Frame number setting unit, plays frame number for receiving user according to the animation of the data message setting of display; Wherein, play frame number and be greater than the frame number and curve number sum that captions take;
Then animation producing unit is then according to described broadcasting frame number, generates the curve motion dynamically extended and shows.
Preferably, the animation of described generation is the animation of NVE form or NVI form.
Preferably, caption data also comprises: word content;
Then animation producing unit is also for for often organizing caption data, by the display properties generating character captions of word content according to corresponding subtitle pel in subtitle template, is superimposed upon on the curve motion dynamically extended according to the coordinate figure in these group data.
Compared with prior art, the present invention has the following advantages:
The present invention creates importing data film after subtitle template, and according to data name and preset naming rule, determine the corresponding relation of the captions pel in each group of caption data and subtitle template, finally, for often organizing caption data, according to the display properties of captions pel with corresponding relation, connect the point determined by each pair of coordinate figure successively, generate the curve motion dynamically extended.By the present invention, can generate the curve captions dynamically extending and increase, the captions form of expression changes into dynamically by static state, and ways of presentation is more lively, vivid.Further, the dynamic extension process of described lines can be preserved with the form of animation, play for other, such as, be supplied to TV station as video material.Further, generate the animation of NVE form or NVI form, reduce taking up room of animation.
In addition, the present invention can arrange according to the frame number of user's input the time length that this animation plays, then curve extend the animation display of process can F.F. or push away slowly, animation producing flexible form is various, the demand of that national different user.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart with the caption animation generation embodiment of the method one that curve extends of the present invention;
Fig. 2 is a kind of flow chart with the caption animation generation embodiment of the method two that curve extends of the present invention;
Fig. 3 is the quiet two field picture schematic diagram generated in the inventive method embodiment two in animation;
Fig. 4 is a kind of structure chart with the caption animation generating apparatus embodiment that curve extends of the present invention.
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.
With reference to Fig. 1, show a kind of flow chart with the caption animation generation embodiment of the method one that curve extends of the present invention, comprising:
Step 101, creates subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
Television graphics context subtitling broadcasts in what manner, is based on the subtitle template used in manufacturing process, and it is the important component part during captions make.Subtitle template comprises captions pel and corresponding display properties thereof, and Show Styles when display properties and caption playing, which specify color, special effects etc., in addition, also specify display width for curve, also specify font, font size etc. to word.
Step 102, importing data film; Wherein, described data file comprises at least one group of caption data, often organizes caption data and comprises data name and at least one pair of coordinate figure;
The broadcast content of captions derives from data file, and data file comprises each group of caption data.Concrete, generating a curve needs to locate multiple coordinate, then one group of corresponding multipair coordinate figure of caption data, and a pair coordinate figure comprises abscissa and ordinate.In order to identify caption data, realizing the corresponding relation of captions pel in caption data and template, also needing for coordinate data adds data name.
Such as, create in subtitle template and have: captions pel Data A and display properties A thereof; Captions pel Data B and display properties B thereof.
Importing data film, it comprises two groups of data, as follows:
dataA
11 30 13 30 15 30 17 30
data B
11 30 11 33 11 35 11 37
Wherein, be coordinate data required for trace extension with " data " beginning to the data line that next " data " terminates, before data name is marked at this group coordinate data.The form of data record also can adopt alternate manner, and the present invention does not limit at this.Data name is associated with the name of captions pel, as mentioned above, and the title first letter capitalization of captions pel, data name first letter small letter.The arrangement mode of coordinate data is transverse and longitudinal coordinate mode separately, and every two data are a pair (comprising abscissa value and ordinate), and the number of coordinate is even number.
Step 103, according to data name and preset naming rule, determines the corresponding relation of the captions pel in each group of caption data and subtitle template;
According to the name often organizing caption data, according to preset naming rule, determine that name is called that the data of dataA and captions pel A have corresponding relation, determine that name is called that the data of data B and captions pel B have corresponding relation.Or data name also can directly be defined as the title identical with captions pel, then directly can determine corresponding relation according to identical title.
Step 104, for often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, connecting the point determined by each pair of coordinate figure successively, generating the curve motion dynamically extended.
The point that each coordinate figure often organized in data generates is connected successively, such as above-mentioned first group of data, four points are generated by each coordinate figure, then connect first point (11 by curve, 30) to second point (13,30), then the 3rd point (15 is connected, 30), finally connect the 4th point (17,30), according to display properties A, the dynamic curve motion (when the origin of coordinates fixes on upper left side, viewing area, for straight line extends to the right) generating extension change.Meanwhile, for second group of data, generate four points by each coordinate figure, then connect first point (11 by curve, 30) to second point (11,33), then the 3rd point (11 is connected, 35), finally connect the 4th point (11,37), according to display properties B, the dynamic curve motion (when the origin of coordinates fixes on upper left side, viewing area, for straight line is to downward-extension) generating extension change.It should be noted that, connected by smoothed curve between each point.
Further, the captions picture of generation directly can carry out broadcasting demonstration, also can save as animation file.
By the embodiment of the present invention, can generate the curve captions dynamically extending and increase, the captions form of expression changes into dynamically by static state, and ways of presentation is more lively, vivid.Further, the dynamic extension process of described lines can be preserved with the form of animation, play for other, such as, be supplied to TV station as video material.
With reference to Fig. 2, show a kind of flow chart with the caption animation generation embodiment of the method two that curve extends of the present invention, comprising:
Step 201, creates subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
In subtitle template, create captions pel Data 1, Data 2, Data 3, Data 4, Chart 1, Chart 2 and Chart 3.Wherein, the attribute color of captions pel Data 1 and Data 2 is: attribute color that is red, Data 3 is: white, and the attribute color of Data 4 is blue, and display width is 4 pixels.The attribute color of captions pel Chart 1 is red, and the attribute color of Chart 2 is blue, and the attribute color of Chart3 is white, and other attributes are all set to: children's circle font, font size.
Step 202, importing data film; Wherein, described data file comprises organizes caption data more, often organize caption data and comprise: data name and multipair coordinate figure, or caption data comprises: data name, word content and a pair coordinate figure;
Import the data text needing formation curve, in the present embodiment, caption data is recorded in txt document, then directly import the file with these data.Comprise in the document and need the caption data of formation curve and need to show the caption data of word, curve caption data comprises data name and corresponding multipair coordinate figure thereof; Text subtile data comprise data name, word content and corresponding a pair coordinate figure;
Such as, the document record as described below:
Chart 1 ● China
260 288
data 1
70 573 70 570 68 567 65 565 63 563 62 560
Chart 1 National Bureau of Oceanography
20 40
data 2
82 479 85 479 89 479 92 479 95 478 97 478 100479 102 476 104 478 107 479......76 481 79 481 82 479
The weather forecast of chart 3 twenty four hours
400 450
data 3
482 710 483 407 485 403 487 399 489 395 490 390491 386 491 382 492 378 493......466 432 469 429 482 418
data 4
477 409 479 405 481 401 483 397 484 392 486 388486 379 487 375 487 371 487......467 419 471 417 475 413
end
Wherein, terminate with " end " representative data.
Step 203, resolves the data file imported, and obtains caption information; Wherein, described caption information comprises: the frame number that curve number, captions number, captions take;
Data in resolution data document, wherein, in the present embodiment, set with the data of chart name as caption data, with the data of data name for curve data, starting to the data line between next data or chart with data or chart, is the coordinate data required for curve extends, or the word content of Subtitle Demonstration (comprising symbol) and coordinate data.Then obtain caption information: curve is 4, captions (textual entry number) are 3, and the time (calculating by frame number) that captions take is 85 frames.
It should be noted that, the generative process of playing up of usual captions needs to take frame number, and concrete numerical value is different according to the difference of captions picture and text process software, in the present embodiment, playing up of a character needs to take 5 frames, and above-mentioned caption data comprises 17 characters, needs to take 85 frames.
Step 204, shows described data message;
Step 205, receives user and plays frame number according to the animation of the data message setting of display;
The frame number that captions take is 85 frames, the number of curve is 4, then minimum frame number is exactly 85+4=89 frame, now, because every bar curve is only assigned with 1 frame, curve does not almost extend the dynamic process of change, be similar to and belong to static curve, then need to arrange larger frame number and demonstrate dynamic change procedure, such as, the frame number receiving user's setting is 150 frames.
Step 206, according to data name and preset naming rule, determines the corresponding relation of the captions pel in each group of caption data and subtitle template;
According to preset naming rule, caption data data 1 is corresponding with captions pel Data 1, caption data data 2 is corresponding with captions pel Data 2, and caption data data 3 is corresponding with captions pel Data 3, and caption data data 4 is corresponding with captions pel Data 4; Caption data chart 1 is corresponding with captions pel Chart 1, and caption data chart 2 is corresponding with captions pel Chart 2, and caption data char 3 is corresponding with captions pel Chart 3.
Step 207, for often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, by word content generating character captions, and connect the point generated by each coordinate figure successively, the curve motion with the dynamic extension of text subtile is generated according to described broadcasting frame number.
With reference to Fig. 3, in the present embodiment, the quiet two field picture schematic diagram in the animation of generation is the last frame (curve has extended) of animation.
Wherein, comprise three curves and three captions, the point that three curves are generated by each coordinate figure of caption data data 1, caption data data 2 and caption data data 3 is respectively formed by connecting.Three captions are generated according to the display properties of corresponding subtitle pel in subtitle template by word content corresponding in caption data chart 1, chart 2 and chart 3, and it is superimposed upon on the curve motion of dynamically extension according to the coordinate figure in these group data.Wherein, convert according to frame number according to animation reproduction time, be 1 second/25 frames usually under line-by-line inversion (PAL, Phase Alternating Line) standard.
Preferably, the animation of described generation is the animation of NVE form or NVI form.
Further, step can also be comprised: extract the curve motion generated, carry out preview displaying.
That is, after animation producing, the animation of the form or NVI form that can extract generation is play, and carries out preview at area of display.
In the embodiment of the present invention, the time length (i.e. frame number) that this animation is play can customize according to the demand of user, then curve extension process can the F.F. of similar broadcast software or slow motion, and generation form is various.Further, generate the animation of NVE form or NVI form, reduce taking up room of animation.
With reference to Fig. 4, show a kind of structure chart with the caption animation generating apparatus embodiment that curve extends of the present invention, comprising:
Template establishment unit 401, for creating subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
Data importing unit 402, for importing data film; Wherein, described data file comprises at least one group of caption data, often organizes caption data and comprises data name and at least one pair of coordinate figure;
Relation corresponding unit 403, for according to data name and preset naming rule, determines the corresponding relation of the captions pel in each group of caption data and subtitle template;
Animation producing unit 404, for for often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, connecting the point determined by each pair of coordinate figure successively, generating the curve motion dynamically extended.
Preferably, described device also comprises:
Data Analysis unit, for resolving the data file of importing, obtains caption information; Wherein, described caption information comprises: the frame number that curve number, captions number, captions take;
Information display unit, for showing the data message that data resolution unit obtains.
In preferably embodiment of the present invention, described device also comprises:
Frame number setting unit, plays frame number for receiving user according to the animation of the data message setting of display; Wherein, play frame number and be greater than the frame number and curve number sum that captions take;
Then animation producing unit is then according to described broadcasting frame number, generates the curve motion dynamically extended and shows.
Preferably, the animation of described generation is the animation of NVE form or NVI form.
Further, caption data also comprises: word content;
Then animation producing unit is also for for often organizing caption data, by the display properties generating character captions of word content according to corresponding subtitle pel in subtitle template, is superimposed upon on the curve motion dynamically extended according to the coordinate figure in these group data.
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 device 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 to a kind of caption animation generation method and apparatus that there is curve and extend provided by the present invention, be 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 (8)
1. the caption animation generation method having curve and extend, is characterized in that, comprising:
Create subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
Importing data film; Wherein, described data file comprises at least one group of caption data, often organizes caption data and comprises data name and at least one pair of coordinate figure;
According to data name and preset naming rule, determine the corresponding relation of the captions pel in each group of caption data and subtitle template;
For often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, connecting the point determined by each pair of coordinate figure successively, generating the curve motion dynamically extended.
2. the method for claim 1, is characterized in that, also comprises:
Resolve the data file imported, obtain caption information; Wherein, described caption information comprises: the frame number that curve number, captions number, captions take;
Show the data message obtained.
3. method as claimed in claim 2, is characterized in that, also comprise:
Receive user and play frame number according to the animation of the data message setting of display; Wherein, play frame number and be greater than the frame number and curve number sum that captions take;
Then according to described broadcasting frame number, generate the curve motion dynamically extended and show.
4. the method for claim 1, is characterized in that,
Caption data also comprises: word content;
Then for often organizing caption data, by the display properties generating character captions of word content according to corresponding subtitle pel in subtitle template, be superimposed upon on the curve motion dynamically extended according to the coordinate figure in these group data.
5. there is the caption animation generating apparatus that curve extends, it is characterized in that, comprising:
Template establishment unit, for creating subtitle template; Wherein, described subtitle template comprises captions pel and display properties thereof;
Data importing unit, for importing data film; Wherein, described data file comprises at least one group of caption data, often organizes caption data and comprises data name and at least one pair of coordinate figure;
Relation corresponding unit, for according to data name and preset naming rule, determines the corresponding relation of the captions pel in each group of caption data and subtitle template;
Animation producing unit, for for often organizing caption data, according to the display properties of captions pel in subtitle template with corresponding relation, connecting the point determined by each pair of coordinate figure successively, generating the curve motion dynamically extended.
6. device as claimed in claim 5, is characterized in that, also comprise:
Data Analysis unit, for resolving the data file of importing, obtains caption information; Wherein, described caption information comprises: the frame number that curve number, captions number, captions take;
Information display unit, for showing the data message that data resolution unit obtains.
7. device as claimed in claim 6, is characterized in that, also comprise:
Frame number setting unit, plays frame number for receiving user according to the animation of the data message setting of display; Wherein, play frame number and be greater than the frame number and curve number sum that captions take;
Then animation producing unit is then according to described broadcasting frame number, generates the curve motion dynamically extended and shows.
8. device as claimed in claim 5, is characterized in that,
Caption data also comprises: word content;
Then animation producing unit is also for for often organizing caption data, by the display properties generating character captions of word content according to corresponding subtitle pel in subtitle template, is superimposed upon on the curve motion dynamically extended according to the coordinate figure in these group data.
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| CN200910244498.5A CN102118584B (en) | 2009-12-31 | 2009-12-31 | Method and device for generating caption moving pictures with curve extension dynamic effect |
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| CN200910244498.5A CN102118584B (en) | 2009-12-31 | 2009-12-31 | Method and device for generating caption moving pictures with curve extension dynamic effect |
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| CN109788335B (en) * | 2019-03-06 | 2021-08-17 | 珠海天燕科技有限公司 | Video subtitle generating method and device |
| CN114697573A (en) * | 2020-12-30 | 2022-07-01 | 深圳Tcl新技术有限公司 | Subtitle generating method, computer device, computer-readable storage medium |
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| JP3521049B2 (en) * | 1996-10-29 | 2004-04-19 | ソニー株式会社 | Curve generating device and curve generating method |
| CN100364322C (en) * | 2005-11-21 | 2008-01-23 | 创维数字技术（深圳）有限公司 | Method for dynamically forming caption image data and caption data flow |
| TWI384413B (en) * | 2006-04-24 | 2013-02-01 | Sony Corp | An image processing apparatus, an image processing method, an image processing program, and a program storage medium |
| CN100515049C (en) * | 2007-11-19 | 2009-07-15 | 新奥特（北京）视频技术有限公司 | A method for separation, preparation and playing of TV station caption and video |
| CN101483723B (en) * | 2008-01-11 | 2012-06-06 | 新奥特（北京）视频技术有限公司 | Method for performance guarantee of television subtitle playing apparatus based on diversity application |
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