CN101594479A - A kind of system of processing ultralong caption data - Google Patents
A kind of system of processing ultralong caption data Download PDFInfo
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- CN101594479A CN101594479A CN 200810113849 CN200810113849A CN101594479A CN 101594479 A CN101594479 A CN 101594479A CN 200810113849 CN200810113849 CN 200810113849 CN 200810113849 A CN200810113849 A CN 200810113849A CN 101594479 A CN101594479 A CN 101594479A
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Abstract
The invention discloses a kind of system of processing ultralong caption data, it is characterized in that, comprising: determination module is used for determining the size of described internal memory and the value of N according to the size of view screen and the data volume of described captions; Distribution module is used to captions image storage allocation; Adjusting module is used for adjusting the captions picture material of internal memory; Logging modle is used to write down the pointer of the blank content of memory block.Be captions image storage allocation by the memory block that adopts a plurality of fixed sizes among the present invention, the needed bulk memory of ultralong caption can be realized by a plurality of memory block updated stored images; Image is stored in respectively on the different memory blocks, reduces the image render time, and it is smooth that real-time dynamic title is broadcasted; Each character in the memory block is all played up fully, the flaw problem that the border character causes can not occurred.
Description
Technical field
The present invention relates to field of broadcast televisions, relate in particular to a kind of system of processing ultralong caption data.
Background technology
The captions of computer and graph technology have been widely used in pbs film, TV domain.Application as subtitle graphic relates to the every aspect that station synchronization is made, and comprises live, the studio of news, and all variety, physical culture, finance and economics, meteorology etc. comprise that also the making of movie and television play all relates to.At record and broadcast, later stage and edit field, studio and broadcasting line, subtitle graphic all is an element the most commonly used.Along with the extensive use of captions, different according to function and effect, captions can be divided into common captions, surtitle and roll screen captions etc. again.Captions are by computer letter symbol to be played up the image of certain visual effects, the size of image depend on the size of character, what etc.Therefore, need be the image dynamic assigning memory during caption rendering.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Character once is rendered in the internal memory following problem may occur, comprising: ultralong caption needs the internal memory of bulk, and region of memory is always limited, may cause the storehouse buffering to be overflowed, and causes bulk memory to distribute failure; The big more time of playing up of image is long more, and it is smooth to cause captions to broadcast for real-time dynamic title, and the sense of pause is arranged; Under the memory block of fixed size, the border character of two memory blocks inevitably appears crossing in meeting, owing to reasons such as errors, occurs flaw in the time of can splicing at the same character that two memory blocks are played up respectively.
Summary of the invention
The invention provides a kind of system of processing ultralong caption data, the data processing when playing with the realization ultralong caption.
The invention provides a kind of system of processing ultralong caption data, it is characterized in that, comprising:
Determination module is used for determining the size of described internal memory and the value of N according to the size of view screen and the data volume of described captions;
Distribution module is used to captions image storage allocation.The computer Memory Allocation that the N+1 piece is onesize is given the captions image, forms the internal memory chained list; Wherein, N piece internal memory is used to store the captions image of screen display area size, and 1 internal memory is used to store the captions image that will show;
Adjusting module is used for adjusting the captions picture material that internal memory is stored, and makes the captions image of depositing screen display area in the internal memory all the time and the captions image that will show;
Logging modle is used to write down the pointer of the blank content of memory block, the pointer of fill area not in the current memory block that writes down when this memory block can not be played up in current memory block fully for certain character.
Described distribution module also comprises:
Image storage unit is used for the captions image of storing initial;
The image-erasing unit when being used for described chained list gauge outfit internal memory captions image and playing, is deleted former gauge outfit and is now shown the picture material of storing in the tail memory block;
Image deposits the unit in, is used to deposit in the picture material that will play.
Described adjusting module also comprises:
Synchronous updating block when being used for former gauge outfit memory block image and finishing, upgrades the caption content of former gauge outfit memory block;
Chained list gauge outfit updating block is used for chained list gauge outfit internal memory captions image and finishes, and this memory block pointer removes from internal memory chained list gauge outfit, adds the chained list tail, and internal memory chained list gauge outfit is pointed to next memory block.
Described logging modle also comprises:
Judging unit, be used to judge character whether be cross over two memory blocks the border character;
Record cell is used to write down the pointer of the blank content of memory block.
Compared with prior art, the present invention has the following advantages:
Among the present invention, be captions image storage allocation, the needed bulk memory of ultralong caption can be realized by a plurality of memory block updated stored images by the memory block that adopts a plurality of fixed sizes; The image morsel is played up step by step and is stored in successively on the different memory blocks, reduces the image render time, and it is smooth that real-time dynamic title is broadcasted; Each character in the memory block is all played up fully, the flaw problem that the border character causes can not occurred.
Description of drawings
Fig. 1 is the method flow diagram of a kind of processing ultralong caption data among the present invention;
Fig. 2 is the processing method schematic diagram of the appearance border character among the present invention;
Fig. 3 is the schematic diagram of the ultralong caption processing method that rolls left among the present invention;
Fig. 4 is the system schematic of a kind of processing ultralong caption data among the present invention;
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in detail.
The method of a kind of processing ultralong caption data provided by the invention as shown in Figure 1, comprises the steps:
Step S101, terminal is determined the size of described internal memory and the value of N according to the size of view screen and the data volume of captions.
Step S102, terminal is distributed the onesize internal memory of N+1 piece for the captions image, forms the internal memory chained list.Wherein have N piece internal memory to be used to store the captions image of screen display area size, 1 internal memory is used to store the captions image that will show.
Step S103, terminal is played up the onesize caption image of N+1 piece and is stored into successively in the memory block of internal memory chained list.
Step S104, the memory block captions of broadcast internal memory chained list; The captions image of memory constantly upgrades, and just stores the captions image that will play, thereby finishes the mobile storage of described ultralong caption image at once.
Step S105 finishes when the memory block captions of internal memory chained list gauge outfit show, terminal removes the memory block pointer from internal memory chained list gauge outfit, add the chained list tail.Internal memory chained list gauge outfit is pointed to next memory block, and terminal will be upgraded the caption content that former gauge outfit is now shown the tail memory block, and the former memory image content that terminal is now shown the tail internal memory with former gauge outfit is deleted, and deposits the picture material that will play then in.
Step S106 between the memory block of two fixed sizes, the border character of two memory blocks can occur crossing over, plays up respectively at two memory blocks flaw can occur when same character splices.Under the situation that each character in guaranteeing memory block is all played up fully, just need to adopt the memory block of fixed size, write down the blank content pointers of memory block with terminal, the pointer of fill area not in the current memory block that writes down when this memory block can not be played up fully for certain character in current memory block; Enter then next memory block and from then on character begin to play up.For example, character D is between internal memory 1 and internal memory 2, and owing to reasons such as errors, when internal memory 1 and internal memory 2 were played up character D respectively, flaw will appear in splicing.At this moment just must to guarantee that each character in memory block 1 and the memory block 2 all plays up fully, and the situation of border character D not occur playing up for twice.As shown in Figure 2, adopt the fixed size memory block, when character D can not play up in current memory block 1 fully, the blank content pointers of record memory block this moment entered into next memory block 2, and D begins to play up from this character.
Data processing with the ultralong caption that rolls left is that example is elaborated below, as shown in Figure 3.
Gray area is the screen display captions among the figure, when the memory block captions of internal memory chained list gauge outfit have shown, this memory block pointer removes from internal memory chained list gauge outfit, add the chained list tail, internal memory chained list gauge outfit is pointed to next internal memory, upgrades the caption content that former gauge outfit is now shown the tail memory block, because the viewing area image has been divided into the smaller internal memory of N piece, every internal memory render time is very short, can not cause discontinuous that captions move.
The invention provides a kind of system of processing ultralong caption data, as shown in Figure 4, comprising:
Determination module 410 is used for determining the size of described internal memory and the value of N according to the size of view screen and the data volume of described captions.
Distribution module 420 is used to captions image storage allocation.The computer Memory Allocation that the N+1 piece is onesize is given the captions image, forms the internal memory chained list; Wherein, N piece internal memory is used to store the captions image of screen display area size, and 1 internal memory is used to store the captions image that will show.
Adjusting module 430 is used to adjust the captions picture material of memory, makes the captions image of depositing screen display area in the internal memory all the time and the captions image that will show.
Logging modle 440 is used to write down the pointer of the blank content of memory block, the pointer of fill area not in the current memory block that writes down when this memory block can not be played up in current memory block fully for certain character.
Concrete, distribution module 420 further comprises:
Image storage unit 421 is used for the captions image of storing initial.
Image-erasing unit 422 when being used for described chained list gauge outfit internal memory captions image and finishing, is deleted former gauge outfit and is now shown the picture material of storing in the tail memory block.
Image deposits unit 423 in, is used to deposit in the picture material that will play.
Concrete, adjusting module 430 further comprises:
Synchronous updating block 431 when being used for former gauge outfit memory block image and finishing, upgrades the caption content of former gauge outfit memory block.
Chained list gauge outfit updating block 432 is used for chained list gauge outfit internal memory captions image and finishes, and this memory block pointer removes from internal memory chained list gauge outfit, adds the chained list tail, and internal memory chained list gauge outfit is pointed to next memory block.
Concrete, logging modle 440 further comprises:
Judging unit 441, be used to judge character whether be cross over two memory blocks the border character.
Record cell 442 is used to write down the pointer of the blank content of memory block.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out 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 improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (4)
1, a kind of system of processing ultralong caption data is characterized in that, comprising:
Determination module is used for determining the size of described internal memory and the value of N according to the size of view screen and the data volume of described captions;
Distribution module is used to captions image storage allocation.The computer Memory Allocation that the N+1 piece is onesize is given the captions image, forms the internal memory chained list; Wherein, N piece internal memory is used to store the captions image of screen display area size, and 1 internal memory is used to store the captions image that will show;
Adjusting module is used for adjusting the captions picture material that internal memory is stored, and makes the captions image of depositing screen display area in the internal memory all the time and the captions image that will show;
Logging modle is used to write down the pointer of the blank content of memory block, the pointer of fill area not in the current memory block that writes down when this memory block can not be played up in current memory block fully for certain character.
2, the system of processing ultralong caption data according to claim 1 is characterized in that described distribution module comprises:
Image storage unit is used for the captions image of storing initial;
The image-erasing unit when being used for described chained list gauge outfit internal memory captions image and finishing, is deleted former gauge outfit and is now shown the picture material of storing in the tail memory block;
Image deposits the unit in, is used to deposit in the picture material that will play.
3, the system of processing ultralong caption data according to claim 1 is characterized in that described adjusting module comprises:
Synchronous updating block when being used for former gauge outfit memory block image and finishing, upgrades the caption content of former gauge outfit memory block;
Chained list gauge outfit updating block is used for chained list gauge outfit internal memory captions image and finishes, and this memory block pointer removes from internal memory chained list gauge outfit, adds the chained list tail, and internal memory chained list gauge outfit is pointed to next memory block.
4, the system of processing ultralong caption data according to claim 1 is characterized in that described logging modle comprises:
Judging unit, be used to judge character whether be cross over two memory blocks the border character;
Record cell is used to write down the pointer of the blank content of memory block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810113849 CN101594479B (en) | 2008-05-30 | 2008-05-30 | System for processing ultralong caption data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810113849 CN101594479B (en) | 2008-05-30 | 2008-05-30 | System for processing ultralong caption data |
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| CN101594479A true CN101594479A (en) | 2009-12-02 |
| CN101594479B CN101594479B (en) | 2013-01-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2586193A1 (en) * | 2010-06-28 | 2013-05-01 | Nokia Corp. | Method and apparatus for accessing multimedia content having subtitle data |
| CN105148519B (en) * | 2015-08-05 | 2018-09-11 | 北京乐动卓越科技有限公司 | A kind of word rendering intent in games and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100262959B1 (en) * | 1998-04-27 | 2000-08-01 | 구자홍 | Method for character fold writing control of hangul caption broadcasting |
| US6417888B1 (en) * | 1998-10-09 | 2002-07-09 | Matsushita Electric Industrial Co., Ltd. | On screen display processor |
| JP2004080675A (en) * | 2002-08-22 | 2004-03-11 | Funai Electric Co Ltd | Digital broadcast receiver |
| CN1909607A (en) * | 2005-08-03 | 2007-02-07 | 上海乐金广电电子有限公司 | DVD image scale adjusting method in wide-screen display |
| KR100662413B1 (en) * | 2005-08-16 | 2007-01-02 | 엘지전자 주식회사 | The display device for offering movie modes and method for controlling the same |
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2008
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2586193A1 (en) * | 2010-06-28 | 2013-05-01 | Nokia Corp. | Method and apparatus for accessing multimedia content having subtitle data |
| EP2586193A4 (en) * | 2010-06-28 | 2014-03-26 | Nokia Corp | Method and apparatus for accessing multimedia content having subtitle data |
| CN105148519B (en) * | 2015-08-05 | 2018-09-11 | 北京乐动卓越科技有限公司 | A kind of word rendering intent in games and system |
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| CN101594479B (en) | 2013-01-02 |
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