CN102724438A - Caption generator playing control method with communication in protocol way and playing system - Google Patents
Caption generator playing control method with communication in protocol way and playing system Download PDFInfo
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- CN102724438A CN102724438A CN2011101175137A CN201110117513A CN102724438A CN 102724438 A CN102724438 A CN 102724438A CN 2011101175137 A CN2011101175137 A CN 2011101175137A CN 201110117513 A CN201110117513 A CN 201110117513A CN 102724438 A CN102724438 A CN 102724438A
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Abstract
The embodiments of the invention, which mainly relate to the broadcast television program manufacturing and playing fields, disclose a caption generator playing control method by communication in a protocol way and a playing system. The method comprises: generating a program list file by a playing control system; carrying out format encapsulation on the program list file according to a protocol format; sending the program list to a caption generator; carrying out file parsing by the caption generator according to the protocol format and restoring the program list file; and generating a caption file according to the program list. Furthermore, the playing system consists of a playing control unit, a protocol encapsulation unit, a protocol parsing unit, and a caption generator unit. After the playing control unit generates a program list file, the protocol encapsulation unit carries out format encapsulation on the program list file and the encapsulated program list file is sent to a caption generator; the caption generator unit receives the program list file; the protocol parsing unit carries out file parsing; and a caption program list file is manufactured according to the parsed program list file. Therefore, on the one hand, a problem of communication between a playing control system and a caption generator is solved; on the other hand, due to conversion of protocol formats, compatibility of different system from different factories can be realized and thus a basis is provided for establishment of communication between the playing system and the caption generator.
Description
Technical field
The present invention relates to relate in particular to a kind of film titler broadcast control method and system in broadcast TV program making, the broadcast field with the protocol mode communication.
Background technology
In broadcast TV program making and broadcast field, in program material making and playing process, need carry out the synthetic processing of a large amount of captions to satisfy the needs that program material broadcasts, the broadcast of prior art program is; Generate the programme file by the Broadcast Control machine in the broadcast control system earlier, and give film titler with the programme file copy, film titler carries out captions according to the programme file to be made; But, because there is not communication between broadcast control system and the film titler, so need the artificial movable storage device that passes through; Give film titler with the programme document copying in the Broadcast Control machine, make the back by film titler and play, simultaneously; Usually for different user, can there be different manufacturers film titler and broadcast control system, thereby use multiple file format; Therefore the subtitle file that on a film titler, is generated lacks compatible, thus at broadcast control system before the broadcast program list, must carry out the making of subtitle file by programme; Can not accomplish synchronous playing; Also will consider the compatibility of system simultaneously, subtitle file can not be general between different film titlers, broadcast control system programme is made amendment temporarily or the situation that programme does not upgrade in time under; Because information can not be in time corresponding between Broadcast Control material and the captions, therefore can not accurately accomplish the situation that film titler is play according to the broadcast control system content.
Between above situation, in realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
Owing to can only carry out the information matches between broadcast control system and the film titler through the mode of manual work; Therefore cause the programme of Broadcast Control machine and the subtitle file timely problem of correspondence in the Broadcast Control process, this problem is unfavorable for upgrading in time in the programme playing process on the one hand; Also be unfavorable between broadcast control system between the different user and film titler, carrying out the compatibility of file, thereby, can't under the situation of different company, different system, can't realize the general of subtitle file.
Summary of the invention
To deficiency of the prior art, the technical problem that the present invention will solve provides a kind of film titler broadcast control method and system with the protocol mode communication, is used between broadcast control system and film titler, setting up communication, thereby realizes broadcast mode flexibly.
The present invention provides the film titler broadcast control method based on the agreement communication modes, and specifically comprise: 1) broadcast control system reads programme; 2) broadcast control system obtains material by the programme content; 3) broadcast control system loads and plays;
Preferably, specifically comprise in the said step 1): 11) read the video material tabulation; 12) judge whether the tabulation of captions material exists, if then read the tabulation of captions material, otherwise generate subtitle list;
Preferably, generating subtitle list described in the said step 12) specifically comprises: 12A) said programme is carried out the form encapsulation according to protocol format; 12B) programme is sent to film titler, film titler receives; 12C) film titler carries out document analysis according to protocol format, reduction programme file; 12D) film titler generates subtitle file according to said programme and has generated response message
Preferably, specifically comprise said step 2): 21) video material is obtained in tabulation according to material, and returns control system video material and successfully read information; 22) obtain the captions material according to subtitle list, and return control system captions material and successfully read information.
Preferably, specifically comprise said step 22): 22A) broadcast control system carries out the form encapsulation with subtitle list according to protocol format; 22B) subtitle list is sent to film titler, film titler receives; 22C) film titler carries out document analysis according to protocol format, the reduction subtitle list; 22D) call the captions material according to said subtitle list.
Preferably, specifically comprise in the said step 3): 31) judge whether to obtain material and successfully read information) if then load and play, otherwise will return step 2.32) judge whether play to finish, if, finishes then, otherwise proceed to play;
Preferably, can also comprise said step 31): 31A) the backup material successfully reads pairing video material and tabulation, captions material.31B) judge to play whether there is interrupt error, if, setting up procedure 31A then).
Preferably, can also comprise after the said step 3): 4) Play Control specifically comprises step: 41) judge whether to play finishing control, if finishes then; 42) judge whether to carry out interruption controls,, play end as switching playlist, the current programme play position of storing in the reduction broadcast control system if broadcast control system is stored current programme play position and read the switching playlist.
The present invention provides the film titler Play System based on the agreement communication modes to comprise: the programme reading unit, obtain material unit, broadcast unit; The programme reading system reads video material tabulation, the tabulation of captions material in the programme according to the programme content; Obtain the material unit and obtain video material and captions material according to above-mentioned tabulation; And sending to broadcast unit, broadcast unit is play.Wherein, Also comprise in the said program reading unit: captions material tabulation generation unit; Be mainly used in when the tabulation of captions material does not exist, generate the tabulation of captions material, the said captions material unit that obtains comprises: obtain the video material unit; Be used for obtaining video material, and return control system video material and successfully read information according to material tabulation; Obtain captions material unit, be used for obtaining the captions material, and return control system captions material and successfully read information according to subtitle list.Wherein, said broadcast unit also comprises: the backup broadcast unit, be used for playing when interrupt error occurring, and play; Play Control processing unit: be used to play finishing control, interruption controls.
Above technical scheme can find out that the present invention has the following advantages:
At first; During the present invention play the broadcast control system programme, the material that has carried out two types called, and one type is program material; Other one type is the captions material; And can generate synchronously, thereby solve the playback problem of broadcast control system according to programme to being the subtitle file that generates also also to interim programme file.
Secondly, the present invention adopted in the file stage of calling, and file successfully calls response mechanism, thereby makes broadcast control system can in time understand the situation of material, thereby the programme file is play timely.
At last, the present invention issues the programme file through broadcast control system to film titler, and wherein in the process of issuing, has used the protocol conversion of file format, thereby has solved the compatibility of different film titlers.
Description of drawings
Fig. 1 is a broadcast control system sketch map in the prior art;
Fig. 2 is the inventive method first embodiment flow chart;
Fig. 3 is a kind of film titler broadcast control system sketch map with the protocol mode communication of the present invention
Embodiment
To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, complete description; Obvious described embodiment only is a part of embodiment of the present invention, is not whole embodiment, based on the embodiment among the present invention; Those of ordinary skills are not paying the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one:
In the prior art, broadcast control system is formed (seeing also Fig. 1) both Broadcast Control machine, transfer module, disk array by three parts usually, wherein is both-way communication each other between three parts; That is to say, after the Broadcast Control machine passes through to compile single system, generates programme; Stored material numbering is corresponding each other in material numbering ID in the programme that is generated and the disk array; Therefore the Broadcast Control machine is easy to carry out calling of video material, the inventive method first embodiment usually under the situation that obtains programme; See also Fig. 1, the method for carrying out Broadcast Control through this method broadcast control system comprises:
1) broadcast control system reads programme;
Carry out in the programme playing process at broadcast control system, at first, broadcast control system reads programme; And according to the tabulation of programme generation video material, the tabulation of captions material, from existing broadcast control system, can find out, be received within the disk array in the said video material; Can directly read according to the material ID in the programme number, so the video frequency program tabulation can directly obtain by the foundation programme, but just probably can there be two kinds of situation in tabulation for the captions material; First kind of situation is that subtitle file generates, and leaves in film titler or the disk array; Therefore also can directly obtain its tabulation, a kind of situation in addition is that this programme does not also generate subtitle file; Therefore in order to guarantee the correct broadcast of programme, need this programme is sent to film titler, and generate the subtitle list file; See also Fig. 3, concrete generation step is: 1) said programme is carried out the form encapsulation according to protocol format; 2) programme is sent to film titler, film titler receives; 3) film titler carries out document analysis according to protocol format, reduction programme file; 4) film titler generates subtitle file according to said programme, and returns subtitle file to broadcast control system and generated response message.
2) broadcast control system obtains material by the programme content;
Broadcast control system is tabulated according to obtaining material and is obtained video material, and returns control system video material and successfully read information; Obtain the captions material according to subtitle list, and return control system captions material and successfully read information, the concrete steps that wherein said subtitle list is called the captions material are (seeing also Fig. 4): 1) broadcast control system carries out the form encapsulation with subtitle list according to protocol format; Here the protocol format that refers to can be a VDCP video disk control protocol; This agreement is widely used in existing equipment, has good versatility and identifiability, but also not hard to imagine through thinking of the present invention; Also there is possibility in protocol format through other; Here protocol format encapsulation mainly be with, the file that programme generated is changed and standard according to protocol format, so that good compatibility can be arranged with film titler during to document analysis.2) subtitle list is sent to film titler, film titler receives; 3) film titler carries out document analysis according to protocol format, the reduction subtitle list; 4) call the captions material according to said subtitle list.
3) broadcast control system loads and plays;
Broadcast control system loads broadcast according to the programme content, in order to guarantee correct broadcast, before playing; Broadcast control system can successfully read information inspection to material; If then load to play, otherwise will turn back to step 2) carry out material and read; Content in all programmes all plays, and playing program stops.
Embodiment two:
The inventive method second embodiment, play several kinds of situation of some special processings of regular meeting's existence often when broadcast control system:
1) play finishing control:
When in playing process, when needing finishes suddenly, interrupt in progress programme by Play System, play and finish.
2) interruption controls:
When in playing process, need to interrupt present broadcast program list, when carrying out other demonstrations or operation; Broadcast control system is stored material play position in the current programme; Read the switching playlist, play end as switching playlist, the current programme play position of storing in the reduction broadcast control system.
3) be equipped with Broadcast Control system:
Broadcast control system correctly call according to programme material information, and caption information after; By broadcast control system programme and corresponding material information, subtitle file information are backed up; When non-artificial interrupt error in playing process, occurring; Interrupt numbering according to wrong material, start backup file, continue to play.
Embodiment three:
See also Fig. 3, be system schematic of the present invention:
The present invention provides the film titler Play System based on the agreement communication modes to comprise: the programme reading unit, obtain material unit, broadcast unit; The programme reading system reads video material tabulation, the tabulation of captions material in the programme according to the programme content; Obtain the material unit and obtain video material and captions material according to above-mentioned tabulation; And sending to broadcast unit, broadcast unit is play.Wherein, Also comprise in the said program reading unit: captions material tabulation generation unit; Be mainly used in when the tabulation of captions material does not exist, generate the tabulation of captions material, the said captions material unit that obtains comprises: obtain the video material unit; Be used for obtaining video material, and return control system video material and successfully read information according to material tabulation; Obtain captions material unit, be used for obtaining the captions material, and return control system captions material and successfully read information according to subtitle list.Wherein, said broadcast unit also comprises: the backup broadcast unit, be used for playing when interrupt error occurring, and play; Play Control processing unit: be used to play finishing control, interruption controls.
The above only is a preferred implementation of the present invention; Should be understood that for those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (12)
1. the film titler broadcast control method with the protocol mode communication is characterized in that, comprises step:
1) broadcast control system reads programme;
2) broadcast control system obtains material according to the programme content;
3) broadcast control system loads and plays.
2. the method described in claim 1 is characterized in that, specifically comprises in the said step 1):
11) read the video material tabulation.
12) judge whether the tabulation of captions material exists, if then read the tabulation of captions material, otherwise generate subtitle list;
3. the method described in claim 2 is characterized in that, generates subtitle list described in the said step 12) and specifically comprises:
12A) said programme is carried out the form encapsulation according to protocol format;
12B) programme is sent to film titler, film titler receives;
12C) film titler carries out document analysis according to protocol format, reduction programme file;
12D) film titler generates subtitle file according to said programme, and returns subtitle file to broadcast control system and generated response message.
4. the method described in claim 1 is characterized in that, said step 2) in specifically comprise:
21) video material is obtained in tabulation according to material, and returns control system video material and successfully read information;
22) obtain the captions material according to subtitle list, and return control system captions material and successfully read information.
5. the method described in claim 4 is characterized in that, said step 22) in specifically comprise:
22A) broadcast control system carries out the form encapsulation with subtitle list according to protocol format;
22B) subtitle list is sent to film titler, film titler receives;
22C) film titler carries out document analysis according to protocol format, the reduction subtitle list;
22D) call the captions material according to said subtitle list.
6. the method described in claim 1 is characterized in that, specifically comprises in the said step 3):
31) judge whether to obtain material and successfully read information, if then load and play, otherwise will return step 2).
32) judge whether play to finish, if, finishes then, otherwise proceed to play.
7. the method described in claim 6 is characterized in that, said step 31) in can also comprise:
31A) the backup material successfully reads pairing video material and tabulation, captions material.
31B) judge to play whether there is interrupt error, if, setting up procedure 31A then).
8. the method described in claim 1 is characterized in that, can also comprise after the said step 3):
4) Play Control specifically comprises step:
41) judge whether to play finishing control, if finishes then;
42) judge whether to carry out interruption controls, if broadcast control system is stored current programme play position,
Read the switching playlist, play end as switching playlist, the current programme play position of storing in the reduction broadcast control system.
9. film titler Play System with the protocol mode communication; It is characterized in that; Comprise: the programme reading unit, obtain material unit, broadcast unit, the programme reading system reads video material tabulation, the tabulation of captions material in the programme according to the programme content, obtains the material unit and obtains video material and captions material according to above-mentioned tabulation; And sending to broadcast unit, broadcast unit is play.
10. the system described in claim 9 is characterized in that, also comprises in the said program reading unit: captions material tabulation generation unit, be mainly used in when the tabulation of captions material does not exist, and generate the tabulation of captions material.
11. the system described in claim 9 is characterized in that, the said captions material unit that obtains comprises: obtain the video material unit, be used for obtaining video material according to material tabulation, and return control system video material and successfully read information; Obtain captions material unit, be used for obtaining the captions material, and return control system captions material and successfully read information according to subtitle list.
12. the system described in claim 9 is characterized in that, said broadcast unit also comprises: the backup broadcast unit, be used for playing when interrupt error occurring, and play; Play Control processing unit: be used to play finishing control, interruption controls.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101175137A CN102724438A (en) | 2011-05-09 | 2011-05-09 | Caption generator playing control method with communication in protocol way and playing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101175137A CN102724438A (en) | 2011-05-09 | 2011-05-09 | Caption generator playing control method with communication in protocol way and playing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104967863A (en) * | 2015-07-29 | 2015-10-07 | 无锡天脉聚源传媒科技有限公司 | Method and device for modifying broadcast list |
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| US20070204299A1 (en) * | 2006-02-28 | 2007-08-30 | Microsoft Corporation | Integrated Media Content |
| CN101388969A (en) * | 2008-09-10 | 2009-03-18 | 新奥特（北京）视频技术有限公司 | On-line playbill driven multiple channel subtitle editing and playing method |
| CN101540847A (en) * | 2008-03-21 | 2009-09-23 | 株式会社康巴思 | Caption producing system and caption producing method |
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- 2011-05-09 CN CN2011101175137A patent/CN102724438A/en active Pending
Patent Citations (4)
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| US20070204299A1 (en) * | 2006-02-28 | 2007-08-30 | Microsoft Corporation | Integrated Media Content |
| CN1988665A (en) * | 2006-09-13 | 2007-06-27 | 深圳创维－Rgb电子有限公司 | Method and system for playing DVB realtime advertisement |
| CN101540847A (en) * | 2008-03-21 | 2009-09-23 | 株式会社康巴思 | Caption producing system and caption producing method |
| CN101388969A (en) * | 2008-09-10 | 2009-03-18 | 新奥特（北京）视频技术有限公司 | On-line playbill driven multiple channel subtitle editing and playing method |
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| CN104967863A (en) * | 2015-07-29 | 2015-10-07 | 无锡天脉聚源传媒科技有限公司 | Method and device for modifying broadcast list |
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Application publication date: 20121010 |