CN102547183B - Subtitle system and method for managing distributed component object model (DCOM) - Google Patents
Subtitle system and method for managing distributed component object model (DCOM) Download PDFInfo
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- CN102547183B CN102547183B CN201010612630.6A CN201010612630A CN102547183B CN 102547183 B CN102547183 B CN 102547183B CN 201010612630 A CN201010612630 A CN 201010612630A CN 102547183 B CN102547183 B CN 102547183B
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Abstract
The invention discloses a subtitle system and a subtitle method for managing a distributed component object model (DCOM). The subtitle system is divided into three parts, namely a management interaction module, an interpolated subtitle processing module and a subtitle playback module, wherein the management interaction module is used for managing the interpolated subtitle processing module and the subtitle playback module and exchanging data with an Avid nonlinear editing system through the DCOM; the interpolated subtitle processing module is used for creating subtitle elements, recording creation results and generating a subtitle information file; and the subtitle playback module is used for extracting a rendering subtitle element to serve as a video cartoon, reading a temporary file and managing the temporary file. According to a DCOM technology, the subtitle system and the Avid nonlinear editing system are used as two independent progresses, so that the tightly coupled relation between the Avid nonlinear editing system and the subtitle system is reduced, and a code semanteme is relatively clear.
Description
Technical field
The present invention relates to radio and television and make field, relate in particular to a kind of caption system and method for DCOM management of process.
Background technology
Along with the fast development of video traffic, the Experience Degree that people want when watching different film videos requires more and more higher, especially to watching the visual effect of the video film captions of country variant to require more and more higher.Captions interpolation for the non-volume system of application in prior art is mainly to utilize Avid (a kind of non-linear editing software) expansion plugin and common title plug-ins direct-coupling to carry out establishment and the editor of captions.
AVX (Avid Visual Extensions Avid expansion plugin) is one and allows the integrated cross software platform of plug in component and Avid Media Composer (Avid Media Composer is hereinafter to be referred as the MC) primary application program of supporting AVX2 plug-in applications interface.It is to depend on MC primary application program, but is independent of again MC primary application program, and can carry out mutual third party software with MC primary application program.AVX supports title plug-ins and supports brand-new Chinese libretto and animated caption to output to monitor simultaneously.But AVX is not only coupled when being coupled with other common title plug-ins, difficulty is large, but also form a process with title plug-ins, due to title plug-ins itself, to take resource large, the result causing like this can take very large internal memory exactly, affect the stability of a system and make semantic ambiguity, be not easy to safeguard.
Distributed software model DCOM (a kind of technology of Microsoft) technical interface is in logic and the collection of functions that is semantically associated.Server object provides service by DCOM interface for target client, and target client does not need the internal data of understanding server object to represent.Interface can be regarded a kind of service agreement between two software components as.
Microsoft DCOM modelling technique has been expanded com component Object Model Technique, can be supported in calling as inter-process calling between different processes.Between each process of Windows operating system, be mutually to shield.Client process need and server processes in assembly communication time, it can not directly call this process, and need to follow the regulation that operating system is done Inter-Process Communication.DCOM utilizes LPC (communication of Local Process Communication local process) communication mode.Communication mechanism can carry out in a kind of completely transparent mode this communication, and its intercepting comes from client process calls and send it to the assembly another process, and the call-by mechanism of safety between process is provided.
In the process realizing as independent technique in above-mentioned two technology, inventor finds at least to exist following technical problem:
(1) the non-volume system of Avid captions are difficult for operation, Chinese subtitle function ratio a little less than, affect user's use;
(2), during the coupling of AVX and common title plug-ins, coupling difficulty is large, the creation function of complicated captions a little less than;
(3) when common captions authoring system and non-volume system are coupled, take larger Installed System Memory, cause non-volume application program reaction slow, affect the non-volume stability of a system.
Summary of the invention
In order to solve the shortcoming of above-mentioned common technology, main purpose of the present invention, is to provide a kind of AVX of minimizing and caption system coupling interaction degree and improves the method for the stability of a system.
In order to achieve the above object, the embodiment of the present invention provides a kind of distributed software model DCOM technology of Microsoft's exploitation of utilizing that existing caption system is carried out to DCOM management of process on the one hand.DCOM management of process forms new caption system and specifically comprises:
Interpolation captions processing module, for creating captions pel, record creation result, generates caption information file;
Captions playing module, is video cartoon for playing up in advance captions pel, reads temporary file, management temporary file, and described video cartoon saves as described temporary file;
Management interactive module, for managing interpolation captions processing module, management captions playing module, and pass through DCOM interaction data with the non-volume system of Avid.
On the other hand, the embodiment of the present invention also provides a kind of captions interpolating method of DCOM management of process, it is characterized in that, comprises the following steps:
By the non-volume system creation of Avid AVX stunt, and call the management interactive module in caption system;
By described management interactive module, start the interpolation captions processing module in caption system, and call the captions playing module in caption system;
Management interactive module by described in the non-volume system call of Avid, obtains present frame captions image, by present frame captions image and the synthetic output of current video image.
Compared with prior art, the technical scheme that the embodiment of the present invention adopts has the following advantages: embodiment of the present invention application DCOM technology makes caption system and AVX Plug In carry out alternately as two processes, reduce the close coupling relation between the non-volume system of Avid and caption system, rationally utilize independently advantage of the different process resources of system, reduce between complication system and influence each other.Utilize DCOM definition process interaction, make code semanteme more clear.
Accompanying drawing explanation
Technical scheme for the clearer explanation embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparent, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the caption system block diagram of the DCOM management of process of the embodiment of the present invention;
Fig. 2 is the captions interpolating method schematic flow sheet of the DCOM management of process of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is carried out to clear, complete description; obvious described embodiment is only a part of embodiment of the present invention; not whole embodiment; embodiment based in the present invention; those of ordinary skills, not paying the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of DCOM of utilization technology to make caption system and Avid system carry out mutual system as two independent processes, is illustrated in figure 1 the caption system block diagram of the DCOM management of process of the embodiment of the present invention, specifically comprises:
(1) interpolation captions processing module 13, major function is to create captions pel, and record creation result, generates caption information file;
(2) caption playing module 14, and it is video cartoon that major function is to play up in advance captions pel, saves as broadcasting temporary file, reads temporary file, management temporary file;
(3) management interactive module 12, major function is to manage captions interpose module, and management caption playing system is mutual with the non-volume system 10 of Avid, by DCOM interaction data.
Wherein, caption system 15 is divided into management interactive module, interpolation captions processing module, three parts of captions playing module.
Avid is non-, and volume system 10 creates AVX stunt, and calls the management interactive module 12 in caption system.
The embodiment of the present invention is by adopting aforesaid way: adopt the distributed software development model of DCOM technology to caption system modularization, and be mutual standard between module by predefine interface between module, reduce between module and be coupled, after defining interface, in running, two processes run parallel.Owing to adopting DCOM technology encapsulation process bottom interaction protocol, utilize DCOM exploitation distributed software in addition, avoided development process interaction protocol, be more absorbed in service logic exploitation.
The embodiment of the present invention also provides a kind of Avid expansion plugin system based on non-volume system and the mutual captions visioning procedure of caption system, is illustrated in figure 2 the captions interpolating method of the DCOM management of process of the embodiment of the present invention, and concrete steps are as follows:
The non-volume system creation of step S201:Avid AVX stunt, described establishment AVX stunt comprises selects stunt type, simultaneously the non-volume system call of described Avid Avid expansion plugin 11 and management interactive module 12 (DCOM interface).
Step S202: described management interactive module 12 starts interpolation captions processing module 13, enters caption editing interface, and user creates captions.
Step S203: in production process, user revises captions, adjusts back described management interactive module 12 interfaces (DCOM interface), calls Avid expansion plugin 11 and passes through the preview of the non-volume output monitor of Avid.
Step S204: after having created, described interpolation captions processing module 13 generates subtitle file, and described management interactive module 12 is called captions playing module 14, and captions pel is played up in advance as animated image and saved as temporary file.
Step S205: call described Avid expansion plugin 11, subtitle file title described in the non-volume system log (SYSLOG) of Avid.
Step S206: user, at the non-volume reproduction time of Avid line preview captions and video synthetic effect, calls described management interactive module 12 (DCOM interface), obtains the captions image of present frame.
Step S207: described management interactive module 12 is called described captions playing module 14, obtains captions image from temporary file, returns to the non-volume system of Avid.
Step S208:Avid expansion plugin 11 is by current captions image and the synthetic output of current video image, the current captions effect of user's preview simultaneously.
The embodiment of the present invention, by adopting caption system and the mutual method of Avid of the above DCOM of utilization technological development, can reduce coupling, reduces system resource and takies, and reduce influencing each other between complication system, makes code semanteme clear, and captions are clear.
The embodiment of the present invention is divided into management interactive module 12, interpolation captions processing module 13,14 3 parts of caption playing module by existing caption system, and utilize DCOM technology using caption system and Avid as two independently process carry out alternately, adopt the distributed software development model of DCOM technology, by predefine interface between module, it is mutual standard between module, reduce between module and be coupled, after defining interface, in running, two processes run parallel.Owing to adopting DCOM technology encapsulation process bottom interaction protocol, utilize DCOM exploitation distributed software in addition, avoided development process interaction protocol, be more absorbed in service logic exploitation.Utilize the caption system based on non-volume system and the exchange method thereof of DCOM technological development can reduce coupling, reduce system resource and take, and reduce influencing each other between complication system, make code semanteme clear, captions are clear.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Understanding based on such, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above, be only a best specific embodiment of the present invention, but feature of the present invention is not limited to this, any people who is familiar with this technology is in field of the present invention, the variation that can expect easily or modification, all should be encompassed in following claim of the present invention.
Claims (9)
1. a caption system for DCOM management of process, is characterized in that, comprising:
Interpolation captions processing module, for creating captions pel, record creation result, generates caption information file;
Captions playing module, is video cartoon for playing up in advance described captions pel, reads temporary file, management temporary file, and described video cartoon saves as described temporary file;
Management interactive module, for managing interpolation captions processing module, management captions playing module, and pass through DCOM interaction data with the non-volume system of Avid, also for starting interpolation captions processing module;
Wherein said management interactive module starts interpolation captions processing module and specifically comprises:
Enter caption editing interface and carry out in captions production process, adjust back described management interactive module interface, call Avid expansion plugin interface and pass through the preview of the non-volume system of Avid output monitor.
2. the system as claimed in claim 1, is characterized in that, the non-volume system creation of described Avid AVX stunt, and call the management interactive module in caption system.
3. a captions interpolating method for DCOM management of process, is characterized in that, comprises the following steps:
By the non-volume system creation of Avid AVX stunt, and call the management interactive module in caption system;
By described management interactive module, start the interpolation captions processing module in caption system, and call the captions playing module in caption system;
Management interactive module by described in the non-volume system call of Avid, obtains current captions image, by current captions image and the synthetic output of current video image;
The interpolation captions processing module that wherein said management interactive module starts in caption system specifically comprises:
Enter caption editing interface and carry out in captions production process, adjust back described management interactive module interface, call Avid expansion plugin interface and pass through the preview of the non-volume system of Avid output monitor.
4. method as claimed in claim 3, is characterized in that, in the time of the non-volume system call of described Avid Avid expansion plugin, calls the management interactive module in caption system.
5. method as claimed in claim 3, is characterized in that, described management interactive module also comprises after starting interpolation captions processing module:
After captions have been created, described interpolation captions processing module generates subtitle file.
6. method as claimed in claim 3, is characterized in that, described management interactive module is called captions playing module and specifically comprised:
Described captions playing module is played up captions image in advance for animated image and saves as temporary file.
7. method as claimed in claim 5, is characterized in that, the non-volume system call management of Avid interactive module, obtains also comprising after present frame captions image:
Call described Avid expansion plugin, subtitle file title described in the non-volume system log (SYSLOG) of Avid.
8. method as claimed in claim 7, is characterized in that, the non-volume system call management of Avid interactive module, obtains also comprising after present frame captions image:
Described management interactive module is called described captions playing module, obtains captions image from temporary file, returns to the non-volume system of Avid.
9. method as claimed in claim 3, is characterized in that, will after current captions image and the synthetic output of current video image, also comprise: preview captions and video synthetic effect on the reproduction time line of user in the non-volume system of Avid.
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| CN201010612630.6A CN102547183B (en) | 2010-12-29 | 2010-12-29 | Subtitle system and method for managing distributed component object model (DCOM) |
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| CN201010612630.6A CN102547183B (en) | 2010-12-29 | 2010-12-29 | Subtitle system and method for managing distributed component object model (DCOM) |
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| CN102752575B (en) * | 2011-11-30 | 2017-08-04 | 新奥特（北京）视频技术有限公司 | A kind of method for monitoring special effect processing system treatment effect in real time by editing system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075527A (en) * | 1995-07-31 | 2000-06-13 | Kabushiki Kaisha Toshiba | Interactive television system |
| CN1735185A (en) * | 2004-08-13 | 2006-02-15 | 微软公司 | Aligning video data to create a comprehensive program guide |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075527A (en) * | 1995-07-31 | 2000-06-13 | Kabushiki Kaisha Toshiba | Interactive television system |
| CN1735185A (en) * | 2004-08-13 | 2006-02-15 | 微软公司 | Aligning video data to create a comprehensive program guide |
Non-Patent Citations (2)
| Title |
|---|
| 新奥特（北京）视频技术有限公司.CG4AVX高标清图文字幕插件系统.《http://www.chinadigitalvideo.com/?Pro/pro_detail/typeid/8/id/58.html》.2010, * |
| 科讯广电.CCTV新台址综合制作非线性高端制作岛1系统集成项目.《http://bc.tech-ex.com/2010/prod/305.html》.科讯网,2010, * |
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