CN102065234A - Caption producing and broadcasting method and system based on distributive type caption processing system - Google Patents
Caption producing and broadcasting method and system based on distributive type caption processing system Download PDFInfo
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Abstract
The invention discloses a caption producing and broadcasting method based on a distributive type caption processing system. The distributive type caption processing system comprises a plurality of caption producing end respectively connected with a caption playing end through a network. The method comprises: extracting inherence information of captions and user customizing attribute information from a source caption file by a caption producing end; taking the caption inherence information and user customizing attribute information as XML (extensive makeup language) metadata; generating a caption XML file according to a preset rule, and submitting to the caption playing end; and analyzing the subtitle XML file by the caption broadcasting end, and broadcasting corresponding captions. By the invention, the universality and individual adaptability of caption producing in a network producing and broadcasting system can be ensured, expandability of the system can be improved, and the cost is reduced effectively.
Description
Technical field
The present invention relates to the technical field that video-audio program is made, particularly relate to a kind of caption producing method and a kind of caption producing system based on distributed captions treatment system based on distributed captions treatment system.
Background technology
Separating captions is a kind of emerging TV subtitling record and broadcast methods, and it makes captions such as dialogue libretto based on looking audio file, and be exactly the looking outside the audio file of program so-called the separation, generates and look the independently subtitle file that the audio frequency time-code is associated.Separate captions for making various video-audio programs, significant.
Along with development of internet technology, the program manufacturing-broadcasting system of present most TV stations has also been realized networking gradually, in the program manufacturing-broadcasting system of this networking, the program making equipment (being generally PC) of a plurality of program making company, be connected with the program manufacturing-broadcasting system respectively, promptly form a kind of distributed data structure.As the program manufacturing-broadcasting system of the Chinese Central Television (CCTV), promptly the program making equipment with a plurality of program making company links to each other, and after the program making information that obtains required company, broadcasts after front end is further handled.Be understandable that, based on existing networked program manufacturing-broadcasting system, captions in the various types of programs also are to be provided by different program making companies, in this case, the program manufacturing-broadcasting system of front end often can not be isolated the subtitle file in the program, at this moment, then need separate captions again, obviously too labor intensive, material resources at front end program manufacturing-broadcasting system.
Therefore, need the urgent technical problem that solves of those skilled in the art to be exactly at present: the record and broadcast mechanism that how can propose a kind of caption producing based on distributed captions treatment system with innovating, with versatility and the individual applicability that guarantees caption producing in the networked manufacturing-broadcasting system, the extensibility of raising system, and effectively reduce cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of caption producing method and system based on distributed captions treatment system, in order to versatility and the individual applicability that guarantees caption producing in the networked manufacturing-broadcasting system, the extensibility of raising system, and effectively reduce cost.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of caption producing method based on distributed captions treatment system, described distributed captions treatment system comprises respectively broadcasts a plurality of captions manufacturing terminal that end links to each other by network with captions, and described method comprises:
Described captions manufacturing terminal is extracted the base attribute information and the customization attribute information of captions from the subtitle file of source, and, the base attribute information of described captions and customization attribute information as the XML metadata, are generated captions XML file according to presetting rule, and be committed to captions and broadcast end;
Described captions broadcast end and resolve described captions XML file, and broadcast corresponding captions.
Preferably, described source subtitle file has corresponding describing mode; Described method also comprises:
Whether base attribute information and the customization attribute information of judging described captions mate default describing mode;
If then directly carry out described generation captions XML file and be committed to the step that captions broadcast end:
If not, then the base attribute information of described captions and customization attribute information are converted to the describing mode of coupling after, carry out described generation captions XML file again and be committed to the step that captions broadcast end.
Preferably, the base attribute information of described captions comprises: the file description information of captions, the content of subtitle segment and display attribute information; Described XML metadata comprises the subtitle file descriptor as first metadata, content and display attribute information as the subtitle segment of second metadata, and as the customization attribute information of trinary data, the step of described generation captions XML file further comprises:
Write first metadata in the XML file, the nested sub-metadata of described first metadata comprises: subtitle file identification marking, subtitle file format version number, the employed character set numbering of subtitle file, the title of subtitle file, television system, the subtitle segment quantity that subtitle file is supported;
Write second metadata in the XML file, the nested sub-metadata of described second metadata comprises: subtitle segment identification information, subtitle segment structural information and captions screen content information;
In the XML file, write trinary data.
Preferably, the step of described parsing broadcast further comprises:
Resolve described captions XML file, obtain each XML metadata and describing mode thereof;
If current system does not support described describing mode, then be converted into the describing mode that current system supports;
Broadcast corresponding captions according to the describing mode after the conversion.
Preferably, described captions comprise character caption, title cartoon or roll titles.
The embodiment of the invention also discloses a kind of caption producing system of distributed captions treatment system, described distributed captions treatment system comprises respectively broadcasts a plurality of captions manufacturing terminal that end links to each other by network with captions, and described system comprises:
The property extracting module, description generation module and the data that are positioned at the captions manufacturing terminal are submitted module to, and, be positioned at the parsing broadcast module that captions broadcast end;
Wherein,
Described property extracting module is used for extracting from the source subtitle file base attribute information and the customization attribute information of captions;
Described description generation module is used for the base attribute information of described captions and customization attribute information generating captions XML file as the XML metadata according to presetting rule;
Described data are submitted to module to be used for that described captions XML file is committed to captions and are broadcasted end;
Described parsing is broadcasted module and is used to resolve described captions XML file, and broadcasts corresponding captions.
Preferably, described source subtitle file has corresponding describing mode; Described system also comprises the describing mode judge module that is positioned at the captions manufacturing terminal and describes modular converter:
Described describing mode judge module is used to judge whether the base attribute information of described captions and customization attribute information mate default describing mode, if then trigger and describe generation module: if not, then trigger and describe modular converter;
Described description modular converter triggers and describes generation module after being used for the base attribute information of described captions and customization attribute information be converted to the describing mode of coupling.
Preferably, the base attribute information of described captions comprises: the file description information of captions, the content of subtitle segment and display attribute information.Described XML metadata comprises the subtitle file descriptor as first metadata, and as the content and the display attribute information of the subtitle segment of second metadata, and as the customization attribute information of trinary data, described description generation module further comprises:
First metadata writes submodule, be used for writing first metadata at the XML file, the nested sub-metadata of described first metadata comprises: subtitle file identification marking, subtitle file format version number, the employed character set numbering of subtitle file, the title of subtitle file, television system, the subtitle segment quantity that subtitle file is supported;
Second metadata writes submodule, is used for writing second metadata at the XML file, and the nested sub-metadata of described second metadata comprises: subtitle segment identification information, subtitle segment structural information, captions screen content information;
Trinary data writes submodule, is used for writing trinary data at the XML file.
Preferably, described parsing broadcast module further comprises:
Analyzing sub-module is used to resolve described captions XML file, obtains each XML metadata and describing mode thereof;
Coupling conversion submodule when being used for not supporting described describing mode in current system, is converted into the describing mode that current system supports;
Broadcast submodule, be used for broadcasting corresponding captions according to the describing mode after the conversion.
Preferably, described captions comprise character caption, title cartoon or roll titles.
Compared with prior art, the present invention has the following advantages:
The present invention by in the extraction source subtitle file as the captions base attribute information of versatility data, and, captions customization attribute information as individuation data, according to the presetting rule definition that standardizes, the captions XML file of preset data structure is satisfied in generation, the realization of this captions XML file is not only simple, can support the separation record and broadcast of a large amount of dialogue libretto class captions in the practical application, can also be on the basis that guarantees versatility, further facilitate the user to the captions special efficacy, the customization of describing mode etc., thus satisfy the demand of broadcasting the captions personalization;
Moreover, since the present invention unified the standard that different program making company makes captions, can both adopt the mode of regulation to separate at the captions of distributed captions treatment system, thereby need not expending of too much human and material resources, effectively reduce cost;
In addition, the present invention adopts XML as the data description means, can effectively improve the extensibility of system, and data volume is very little, be easy to storage transmission, and this file structure supports also multistage to deposit, thereby can adapt to effective tissue of a large amount of dialogue libretto contents.
Description of drawings
Fig. 1 is the flow chart of steps of a kind of caption producing method embodiment based on distributed captions treatment system of the present invention;
Fig. 2 is the structured flowchart of a kind of caption producing system embodiment based on distributed captions treatment system of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
The present invention can be used in numerous general or special purpose computingasystem environment or the configuration.For example: multicomputer system, server, network PC, minicom, mainframe computer, comprise distributed computing environment (DCE) of above any system or equipment or the like.
The present invention can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in distributed computing environment (DCE), put into practice the present invention, in these distributed computing environment (DCE), by by communication network connected teleprocessing equipment execute the task.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
With reference to figure 1, show the flow chart of a kind of caption producing method embodiment 1 based on distributed captions treatment system of the present invention, described distributed captions treatment system comprises respectively broadcasts a plurality of captions manufacturing terminal that end links to each other by network with captions, and present embodiment specifically can may further comprise the steps:
In embodiments of the present invention, the base attribute information of the captions that extract from the subtitle file of described source then can be understood as the conventional data of describing caption object; The attribute information of customization then can be understood as the personality data of describing caption object.
In a preferred embodiment of the present invention, the base attribute information of described captions can comprise: the file description information of captions, the content of subtitle segment and display attribute information.For example, the data of the subtitle file headers such as quantity of subtitle segment all belong to the file description information of captions in the television system of the title of the format version of subtitle file number, the employed character set of subtitle file, subtitle file, subtitle file support, the subtitle file.
Well known to a person skilled in the art to be that subtitle segment (Section) comprises the content and the display message of one section captions, contain the multi-screen captions in one section.Captions show for unit successively according to screen (Screen), for showing multilingual captions with screen, every screen can comprise a plurality of captions pieces (Block), and captions piece parameter N is the captions piece in each screen, in subtitle file, N is by the unified display properties such as font, font size, color and position of giving.So in practice, the content of the subtitle segment of writing and display attribute information specifically can comprise subtitle segment identification information, subtitle segment structural information, captions screen content information etc.
The embodiment of the invention need not to make concrete qualification for the customization attribute information, for example, and the demonstration special efficacy that the user defines at certain captions piece, translational speed etc.
In practice, because the source subtitle file that is provided by different program making ends often adopts different describing modes, and other program making end of some describing mode or program broadcast end can't be discerned, thereby in another preferred embodiment of the present invention, can also increase the treatment step the when describing mode of source subtitle file and default describing mode do not matched.Particularly, promptly before step 102, can also may further comprise the steps:
For example, what adopt for the location expression mode of character in the captions piece in the subtitle file of source is the definition of relative coordinate system, and the character position describing mode of current regulation is the definition of absolute coordinate system, in the present embodiment, then earlier with this character position after the definition of relative coordinate system is converted to the definition of absolute coordinate system, write the XML file again.
For guaranteeing the application of source subtitle file in networked manufacturing-broadcasting system of different describing modes, versatility data (captions base attribute information) and individuation data (with the customization attribute information) that the present invention needs to extract from the subtitle file of source are organized in the XML mode, generate the captions XML file that satisfies presetting rule.So-called XML (Extensible Markup Language) is an extend markup language, and it is a kind of simple storage language, uses a series of simple mark data of description.Above-mentioned each data structure is known as metadata (Element) according to the term of XML, can nestedly comprise a plurality of sub-metadata in the metadata.
Description rule based on this XML, in specific implementation, preferably can be with described subtitle file descriptor as first metadata, with the content of subtitle segment and display attribute information as second metadata, customization attribute information as trinary data, in this case, described step 102 may further include following substep:
Substep S1, write first metadata in the XML file, the nested sub-metadata of described first metadata can comprise: subtitle file identification marking File ID, subtitle file format version File Version, the employed character set numbering of subtitle file Code Page, the title Program of subtitle file, television system Video Standard, the subtitle segment quantity Section Count that subtitle file is supported;
Substep S2, write second metadata in the XML file, the nested sub-metadata of described second metadata can comprise: subtitle segment identification information Text Section, subtitle segment structural information Section Info, captions screen content information Text Screen;
For example, described subtitle segment structural information Section Info further nested sub-metadata can comprise: the time pattern Time Code Mode that comprises display parameters Display Parameters that the quantity Screen Count of captions screen, maximum captions piece that each captions screen is comprised count Block Count, each captions piece, each captions screen in the captions; More preferably, the display parameters Display Parameters of described each captions piece further nested sub-metadata can comprise: the total display parameters of all captions pieces in each captions screen comprise: captions piece shared position Position, the font Font of captions piece, the arrangement mode Layout of captions piece, the positive color Text of character Color of captions piece on screen; Described captions screen content information Text Screen further nested sub-metadata can comprise: the information Text Block of each captions piece in this screen captions, wherein, the information Text Block of described captions piece comprises: the character string String of these captions piece.
Substep S3, in the XML file, write trinary data User Data.
Data wherein can make an explanation according to the agreement mutually and use fully by making application program and broadcasting application program.
For example.Corresponding XML describing mode can be as follows:
<User?Data>
<Newauto/>
<XXXXXX/>
</User?Data>
Certainly, those skilled in the art are according to the required metadata of actual conditions definition, and corresponding generation XML file all is feasible, and the present invention need not to make restriction to this.
For satisfying the application that different program making ends or program broadcast end, in a preferred embodiment of the present invention, described step 103 may further include following substep:
Substep T1, the described captions XML file of parsing obtain each XML metadata and describing mode thereof;
Substep T2, if current system does not support described describing mode, then be converted into the describing mode that current system supports;
Describing mode after substep T3, the foundation conversion broadcasts corresponding captions.
Need to prove, only be to be the record and broadcast mechanism of example telltale title file with the character in this manual, in specific implementation, can also adopt record and broadcast mechanism of the present invention at title cartoon file, roll titles file, for example, at the roll titles file, extract the base attribute of its rolling time, roll mode, generate the XML file as metadata or sub-metadata then, when broadcasting, can make relevant captions export according to attributes such as rolling time, roll modes by resolving this XML file.
For aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
With reference to figure 2, show the structured flowchart of a kind of caption producing system embodiment based on distributed captions treatment system of the present invention, described distributed captions treatment system comprises respectively broadcasts a plurality of captions manufacturing terminal 21 that end 20 links to each other by network with captions, and described system specifically can comprise:
The property extracting module 211, description generation module 212 and the data that are positioned at captions manufacturing terminal 21 are submitted module 213 to, and, be positioned at the parsing broadcast module 201 that captions broadcast end;
Wherein,
Described property extracting module 211 is used for extracting from the source subtitle file base attribute information and the customization attribute information of captions;
Described description generation module 212 is used for the base attribute information of described captions and customization attribute information generating captions XML file as the XML metadata according to presetting rule;
Described data are submitted to module 213 to be used for that described captions XML file is committed to captions and are broadcasted end;
Described parsing is broadcasted module 201 and is used to resolve described captions XML file, and broadcasts corresponding captions.
In specific implementation, described source subtitle file has corresponding describing mode; As another preferred embodiment of the present invention, described system can also comprise the describing mode judge module 214 that is positioned at captions manufacturing terminal 21 and describe modular converter 215:
Described describing mode judge module 214 is used to judge whether the base attribute information of described captions and customization attribute information mate default describing mode, if then trigger and describe generation module: if not, then trigger and describe modular converter;
Described description modular converter 215 triggers and describes generation module after being used for the base attribute information of described captions and customization attribute information be converted to the describing mode of coupling.
For satisfying the application that different program making ends or program broadcast end, described parsing is broadcasted module 201 and be may further include following submodule:
Analyzing sub-module is used to resolve described captions XML file, obtains each XML metadata and describing mode thereof;
Coupling conversion submodule when being used for not supporting described describing mode in current system, is converted into the describing mode that current system supports;
Broadcast submodule, be used for broadcasting corresponding captions according to the describing mode after the conversion.
In embodiments of the present invention, preferably, the base attribute information of described captions can comprise: the file description information of captions, the content of subtitle segment and display attribute information; Correspondingly, described XML metadata can comprise the subtitle file descriptor as first metadata, content and display attribute information as the subtitle segment of second metadata, and, customization attribute information as trinary data, in this case, described description generation module may further include following submodule:
First metadata writes submodule, be used for writing first metadata at the XML file, the nested sub-metadata of described first metadata comprises: subtitle file identification marking File ID, subtitle file format version File Version, the employed character set numbering of subtitle file Code Page, the title Program of subtitle file, television system Video Standard, the subtitle segment quantity Section Count that subtitle file is supported;
Second metadata writes submodule, be used for writing second metadata at the XML file, the nested sub-metadata of described second metadata comprises: subtitle segment identification information Text Section, subtitle segment structural information Section Info, captions screen content information Text Screen;
Trinary data writes submodule, is used for writing trinary data at the XML file.
Because present embodiment is substantially corresponding to preceding method embodiment, so not detailed part in the description of present embodiment can just not given unnecessary details at this referring to the related description in the previous embodiment.What each embodiment in this specification stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
At last, also need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
More than a kind of caption producing method and a kind of caption producing system based on distributed captions treatment system based on distributed captions treatment system provided by the present invention is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the caption producing method based on distributed captions treatment system is characterized in that, described distributed captions treatment system comprises respectively broadcasts a plurality of captions manufacturing terminal that end links to each other by network with captions, and described method comprises:
Described captions manufacturing terminal is extracted the base attribute information and the customization attribute information of captions from the subtitle file of source, and, the base attribute information of described captions and customization attribute information as the XML metadata, are generated captions XML file according to presetting rule, and be committed to captions and broadcast end;
Described captions broadcast end and resolve described captions XML file, and broadcast corresponding captions.
2. the method for claim 1 is characterized in that, described source subtitle file has corresponding describing mode; Described method also comprises:
Whether base attribute information and the customization attribute information of judging described captions mate default describing mode;
If then directly carry out described generation captions XML file and be committed to the step that captions broadcast end:
If not, then the base attribute information of described captions and customization attribute information are converted to the describing mode of coupling after, carry out described generation captions XML file again and be committed to the step that captions broadcast end.
3. method as claimed in claim 1 or 2 is characterized in that, the base attribute information of described captions comprises: the file description information of captions, the content of subtitle segment and display attribute information; Described XML metadata comprises the subtitle file descriptor as first metadata, content and display attribute information as the subtitle segment of second metadata, and as the customization attribute information of trinary data, the step of described generation captions XML file further comprises:
Write first metadata in the XML file, the nested sub-metadata of described first metadata comprises: subtitle file identification marking, subtitle file format version number, the employed character set numbering of subtitle file, the title of subtitle file, television system, the subtitle segment quantity that subtitle file is supported;
Write second metadata in the XML file, the nested sub-metadata of described second metadata comprises: subtitle segment identification information, subtitle segment structural information and captions screen content information;
In the XML file, write trinary data.
4. method as claimed in claim 2 is characterized in that, the step that described parsing is broadcasted further comprises:
Resolve described captions XML file, obtain each XML metadata and describing mode thereof;
If current system does not support described describing mode, then be converted into the describing mode that current system supports;
Broadcast corresponding captions according to the describing mode after the conversion.
5. the method for claim 1 is characterized in that, described captions comprise character caption, title cartoon or roll titles.
6. the caption producing system of a distributed captions treatment system is characterized in that, described distributed captions treatment system comprises respectively broadcasts a plurality of captions manufacturing terminal that end links to each other by network with captions, and described system comprises:
The property extracting module, description generation module and the data that are positioned at the captions manufacturing terminal are submitted module to, and, be positioned at the parsing broadcast module that captions broadcast end;
Wherein,
Described property extracting module is used for extracting from the source subtitle file base attribute information and the customization attribute information of captions;
Described description generation module is used for the base attribute information of described captions and customization attribute information generating captions XML file as the XML metadata according to presetting rule;
Described data are submitted to module to be used for that described captions XML file is committed to captions and are broadcasted end;
Described parsing is broadcasted module and is used to resolve described captions XML file, and broadcasts corresponding captions.
7. system as claimed in claim 6 is characterized in that, described source subtitle file has corresponding describing mode; Described system also comprises the describing mode judge module that is positioned at the captions manufacturing terminal and describes modular converter:
Described describing mode judge module is used to judge whether the base attribute information of described captions and customization attribute information mate default describing mode, if then trigger and describe generation module: if not, then trigger and describe modular converter;
Described description modular converter triggers and describes generation module after being used for the base attribute information of described captions and customization attribute information be converted to the describing mode of coupling.
8. as claim 6 or 7 described systems, it is characterized in that the base attribute information of described captions comprises: the file description information of captions, the content of subtitle segment and display attribute information.Described XML metadata comprises the subtitle file descriptor as first metadata, and as the content and the display attribute information of the subtitle segment of second metadata, and as the customization attribute information of trinary data, described description generation module further comprises:
First metadata writes submodule, be used for writing first metadata at the XML file, the nested sub-metadata of described first metadata comprises: subtitle file identification marking, subtitle file format version number, the employed character set numbering of subtitle file, the title of subtitle file, television system, the subtitle segment quantity that subtitle file is supported;
Second metadata writes submodule, is used for writing second metadata at the XML file, and the nested sub-metadata of described second metadata comprises: subtitle segment identification information, subtitle segment structural information, captions screen content information;
Trinary data writes submodule, is used for writing trinary data at the XML file.
9. system as claimed in claim 7 is characterized in that, described parsing is broadcasted module and further comprised:
Analyzing sub-module is used to resolve described captions XML file, obtains each XML metadata and describing mode thereof;
Coupling conversion submodule when being used for not supporting described describing mode in current system, is converted into the describing mode that current system supports;
Broadcast submodule, be used for broadcasting corresponding captions according to the describing mode after the conversion.
10. system as claimed in claim 6 is characterized in that described captions comprise character caption, title cartoon or roll titles.
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