CN101178888B - Character display method and display apparatus thereof - Google Patents
Character display method and display apparatus thereof Download PDFInfo
- Publication number
- CN101178888B CN101178888B CN2006101433566A CN200610143356A CN101178888B CN 101178888 B CN101178888 B CN 101178888B CN 2006101433566 A CN2006101433566 A CN 2006101433566A CN 200610143356 A CN200610143356 A CN 200610143356A CN 101178888 B CN101178888 B CN 101178888B
- Authority
- CN
- China
- Prior art keywords
- character
- picture
- display device
- order
- caption data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The invention relates to a character displaying method and applies for a display device. Firstly, the character displaying method receives and analyses a picture to acquire a first caption data comprising a first character and a second character; then the first character and the second character are analyzed to acquire at least a first place where the first character turns out in the picture and at least a second place where the second character turns out in the picture; and finally, the first character is displayed at the first place and the second character is displayed at the second place turn by turn.
Description
Technical field
The present invention relates to a kind of character display method and its display device, particularly relate to a kind of character display method and its display device that can reduce the storage frequency range.
Background technology
Because consumption electronic products is flourish, audio-visual amusing products has become indispensable some in present people's life, and in addition, making rapid progress of science and technology also brings people more and more different enjoyments.With the TV is example, and TV in the past only can receive the signal that television station sends, and the channel number that the user can select is limited.Along with popularizing of cable television system, the user also can view and admire external television channel except the program that can view and admire domestic cable channel, and the user significantly increases for the selectivity of channel.In recent years, more select, also released Digital Television or set-top box on the market in conjunction with the browsing internet function for the user is provided.
No matter display device is traditional TV, Digital Television or set-top box, when it is connected to wire/wireless television channel or the Internet, be picture in order to received television program or webpage, and be the order that occurs according to character in the picture from left to right, from top to bottom one of character is then described and is shown in a ground.In the process of traditional character display, the central processing unit of display device (CentralProcessing Unit, CPU) be the bit image raw data (bitmap raw data) of reading first character from system storage, be carried to backstage (Off screen) storer then.Then, by graphic engine chip (Graphic Engine Chip) according to the bit image raw data of this character and cooperate suitable color expansion or conversion instruction producing the character rendering data, and be embedded in act preceding (On screen) storer to be shown on the screen.Repeat above-mentioned steps, all treated and be shown on the screen up to all characters.
Yet for same character, its repetition rate in same picture is high, supposes that character a occurs 4 times in a picture, and traditional method is the action of the bit image data of character a being carried out being carried to from system storage for four times storer behind the scenes.So will occupy a large amount of memory band widths, and then make the system effectiveness of display device significantly reduce.Therefore, how all characters of a picture can be shown on the screen effectively is a problem that waits to solve.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of character display method and its display device, reduce the storage frequency range of storer effectively, and reduce the action that graph processing chips carries out access, to increase the system effectiveness of display device.
According to purpose of the present invention, a kind of character display method is proposed, be applicable to a display device, this display device is in order to reception and show a picture.At first, this character display method is analyzed picture, and to obtain first caption data, wherein, first caption data comprises first character and second character.Then, analyze first character and second character, come across the primary importance at least of picture, and second character comes across the second place at least of picture to learn first character.Then, set up character link serial, this at least one second place that this at least one primary importance that this first character is occurred in this picture and this second character are occurred in this picture all is recorded in this character in the mode of serial and links serial.At last, show this first character in order in this at least one primary importance according to this character link serial, and this second character is in this at least one second place.
According to purpose of the present invention, also propose a kind of display device and receive and display frame.Display device comprises processing unit and display unit.Processing unit is in order to receive and to analyze picture to obtain first caption data, first caption data comprises first character and second character, after obtaining first caption data, processing unit is also in order to analyze first character and second character, to learn that first character comes across the primary importance at least of picture, and second character comes across the second place at least of picture, and, processing unit is also in order to setting up character link serial, and this at least one second place that this at least one primary importance that this first character is occurred in this picture and this second character are occurred in this picture all is recorded in this character in the mode of serial and links serial.Display unit is in order to being shown at least one primary importance with first character in order, and second character is shown at least one second place.
According to purpose of the present invention, also propose a kind of display device and receive and display frame.Display device comprises processing unit and display unit.Processing unit is in order to receive and to analyze picture to obtain first caption data, first caption data comprises first character and second character, after obtaining first caption data, processing unit is also in order to analyze first character and second character, to learn that first character comes across the primary importance at least of picture, and second character comes across the second place at least of picture, and, processing unit is also in order to setting up character link serial, and this at least one second place that this at least one primary importance that this first character is occurred in this picture and this second character are occurred in this picture all is recorded in this character in the mode of serial and links serial.Display unit is in order to being shown at least one primary importance with first character in order, and second character is shown at least one second place.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 shows the synoptic diagram according to the display device of a preferred embodiment of the present invention.
Fig. 2 shows the process flow diagram according to the character display method of preferred embodiment of the present invention.
Fig. 3 shows the synoptic diagram according to the character link serial of preferred embodiment of the present invention.
Fig. 4 shows the synoptic diagram according to the character DISPLAY ORDER of Fig. 3.
Fig. 5 shows the example according to the synoptic diagram of the operational order of the graphic engine chip of preferred embodiment of the present invention.
The reference numeral explanation
100: display device
110: processing unit
120: storer behind the scenes
122: storer before the curtain
130: graphic engine chip
140: display unit
500: the wire/wireless TV network
600: the Internet
Embodiment
That the display device of embodiments of the invention changes is in the past that character is right by a left side in order, from top to bottom describe display packing in regular turn, but the caption data that is received is analyzed and sort out, and the order of all characters of caption data rearranged, make graphic engine chip describe all characters according to new order.
Please refer to Fig. 1, it shows the synoptic diagram according to the display device of a preferred embodiment of the present invention.Display device 100 is connected to wire/wireless TV network 500 with received television program for traditional tv, Digital Television, set-top box or personal computer with TV card, and display device 100 maybe can be connected to the Internet 600 to receive webpage.Display device 100 comprises processing unit 110, storer behind the scenes 120, the preceding storer 122 of curtain, graphic engine chip 130 and display unit 140.In present embodiment, display unit 140 is TV screen or computer screen.Processing unit 110 is in order to receiving the picture from wire/wireless TV network 500 or the Internet 600, and this picture is analyzed to obtain a caption data.This caption data is included in a plurality of different character that occurs in this picture, more than each character occurs once.After obtaining caption data, processing unit 110 is analyzed all characters of caption data, with the position of learning that these characters occur in this picture.Then, processing unit 110 is set up character link serial, comes across position in this picture with all characters that write down this caption data.
Then, processing unit 110 calling appl. interfaces, this Application Program Interface rearranges each node of character link serial to adjust the DISPLAY ORDER of characters all in the caption data.
Please refer to Fig. 2, it shows the process flow diagram according to the character display method of preferred embodiment of the present invention.At first, display device 100 is after receiving picture, and execution in step 210 is in order to analyzing picture to obtain caption data with processing unit 110.Caption data comprises several characters, for example is first character and second character.
Then, in step 220, processing unit 110 is analyzed first character and second character in order, and sets up character link serial and come across the position of picture respectively to write down first character and second character.Wherein, first character comes across the one or more positions in the picture, for example at least in a primary importance; Second character comes across the one or more positions in the picture, for example at least in a second place.
In step 230, processing unit 110 is called out an Application Program Interface and is rearranged character link serial, to adjust the DISPLAY ORDER of first character and second character.
In step 240, from character link serial, take out a character, for example be first character, be loaded on storer 120 behind the scenes with bit image raw data from system storage with this character.And, instruction is stored in the graphics cache device as position, color etc. at the attribute of first character, for graphic engine chip 130 runnings.
In step 250, graphic engine chip 130 produces first according to the bit image raw data of first character in the storer 120 behind the scenes and the instruction in the graphics cache device and describes character on the relevant position of storer 122 before all acts.
That is to say, step 240 and 250 makes graphic engine chip 130 describe first all characters storer 122 before curtain in during first sequential, just be shown in the primary importance at least of picture, and describe second all characters storer 122 before curtain in during second sequential, just be shown in the second place at least of picture.
Then, step 260 checks whether all characters have been described to finish, if then execution in step 270, for example is second character otherwise get back to step 240 to continue to describe.
In step 270, check whether receive next picture.If receive next picture, then get back to step 210, processing unit 110 receives next picture and it is analyzed.If not, then finish the method that this character shows.
Please refer to Fig. 3, it shows the synoptic diagram according to the character link serial of preferred embodiment of the present invention.Processing unit 110 is in order to analyzing all characters of first caption data, and node is set up in all positions that these a little characters come across picture, is recorded in character link serial 300, and these a little nodes of resequencing, make same character the node serial together.Each node is defined by an X coordinate and a Y coordinate.For example, character A is first character of first caption data, and it comes across four positions, i.e. Dst11, Dst12, Dst13 and Dst14 in the picture.These four positions are established as four nodes, and it is capable to link to first substring that is relevant to character A.Second character is character D, and it comes across position in the picture, i.e. Dst21, and this node link is capable to the substring that is relevant to character D.Three-character doctrine is character E, and it comes across three positions in the picture, i.e. Dst31, Dst32 and Dst33, and these three node links are capable to the substring that is relevant to character E.The rest may be inferred, and the N character is character X, and it comes across five positions in the picture, i.e. DstN1, DstN2, DstN3, DstN4 and DstN5, and these five node links are capable to the substring that is relevant to character X.
Please refer to Fig. 4, it shows the synoptic diagram according to the character DISPLAY ORDER of Fig. 3.During first sequential, graphic engine chip 130 is depicted in character A act preceding storer 122 pairing different four position Dst11, Dst12, Dst13 and Dst14 simultaneously, to be shown in display unit 140.During second sequential, graphic engine chip 130 is depicted in pairing position Dst21 in act preceding storer 122 with character D.During the 3rd sequential, graphic engine chip 130 is depicted in character E pairing different three position Dst31, Dst32 and Dst33 in act preceding storer 122 simultaneously.The rest may be inferred, and during the N sequential, graphic engine chip 130 is depicted in character X pairing different five position DstN1, DstN2, DstN3, DstN4 and DstN5 in act preceding storer 122 simultaneously.
Please refer to Fig. 5, it shows the example according to the synoptic diagram of the operational order of the graphic engine chip of preferred embodiment of the present invention.Share Part instruction includes the setting command about the common information of display unit, and for example SetDstPitch () is wide in order to the screen of setting display unit, SetOutputPixelFormat () is in order to set pixel format and CommonRegister () in order to set common buffer.And Independent Part instruction comprises that each character is shown in the instruction of required execution on each position, and for example SetDstAddress () is for setting the instruction of CSD.Wherein, SetForeGroundColor () and SetBackGroundColor () be for setting the instruction of character color, and all identical if a character is shown in different locational colors, then these a little instructions also can be used as Share Part instruction.Thus, also can save the action of the buffer access of graphic engine chip.TriggerBitblt () is in order to trigger the work that graphic engine chip 130 begins to describe.
Traditionally, if a character comes across in the picture and is total to N time, and suppose that Share Part instruction needs M buffer of access, then according in the past character Display mode, the access instruction that graphic engine chip need carry out M * N time altogether could be shown in this character on all positions of correspondence.And in the embodiment of the invention, because the same character of diverse location will be shown in the display unit simultaneously, instruct so graphic engine chip only needs that a kind of character is carried out a Share Part.Compared to method in the past, the method for the embodiment of the invention has been saved the inferior buffer access action of M * (N-1), makes the system effectiveness of display device to promote effectively.
Preferably, the caption data that display device received of the embodiment of the invention is closed caption (ClosedCaption) data or teletext (Teletext) data.Only come for example with letter in the character link serial of the embodiment of the invention, in the application of reality, all characters of caption data not only can be letter, also can be the high characters of repeatability such as numeral, punctuation mark or control character.
The above embodiment of the present invention can significantly reduce the number of times that graphic engine chip carries out the buffer access, also can reduce the memory band width of the required consume of caption data that shows a picture, makes the effective utilization of display device to promote effectively.In addition, graphic engine chip can utilize some common instructions to come buffer is carried out the processing that access promotes collimation, to promote the treatment efficiency of graphic engine chip.
In sum, though the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention.Those skilled in the art can be used for a variety of modifications and variations under the premise without departing from the spirit and scope of the present invention.Therefore, protection scope of the present invention is as the criterion with claim of the present invention.
Claims (14)
1. a character display method is applicable to a display device, and this display device is in order to receive and to show a picture, and this character display method comprises:
Analyze this picture, to obtain one first caption data, wherein, this first caption data comprises one first character and one second character;
Analyze this first character and this second character, come across at least one primary importance of this picture, and this second character comes across at least one second place of this picture to learn this first character;
Set up character link serial, this at least one second place that this at least one primary importance that this first character is occurred in this picture and this second character are occurred in this picture all is recorded in this character in the mode of serial and links serial; And
Show this first character in order in this at least one primary importance according to this character link serial, and this second character is in this at least one second place.
2. character display method as claimed in claim 1 wherein, shows that the step of this first character and this second character also comprises:
According to this character link serial, adjust the DISPLAY ORDER of this first character and this second character, make this display device during one first sequential, this first character is shown in this at least one primary importance, and during one second sequential, this second character is shown in this at least one second place.
3. character display method as claimed in claim 1, wherein this first character comes across this primary importance and one the 3rd position of this picture, this second character comes across this second place and one the 4th position of this picture, shows that the step of this first character and this second character also comprises:
According to this character link serial, adjust the DISPLAY ORDER of this first character and this second character, make this display device during one first sequential, this first character is shown in this primary importance and the 3rd position, and during one second sequential, this second character is shown in this second place and the 4th position.
4. character display method as claimed in claim 1, wherein, this first character and this second character are a letter, a numeral, a punctuation mark or a control character.
5. character display method as claimed in claim 1, wherein, this caption data is a closed caption data or teletext data.
6. display device receives and shows a picture, and this display device comprises:
One processing unit, in order to receive and to analyze this picture to obtain one first caption data, this first caption data comprises one first character and one second character, after obtaining this first caption data, this processing unit is more in order to analyze this first character and this second character, to learn that this first character comes across at least one primary importance of this picture, and this second character comes across at least one second place of this picture, and, this processing unit is more in order to setting up character link serial, and this at least one second place that this at least one primary importance that this first character is occurred in this picture and this second character are occurred in this picture all is recorded in this character in the mode of serial and links serial; And
One display unit in order in order this first character being shown in this at least one primary importance, and is shown in this at least one second place with this second character.
7. display device as claimed in claim 6, wherein, this processing unit is more in order to call out an Application Program Interface, this Application Program Interface links serial to adjust the DISPLAY ORDER of this first character and this second character according to this character, make this display device during one first sequential, this first character is shown in this at least one primary importance, and during one second sequential, this second character is shown at least one this second place.
8. display device as claimed in claim 7, wherein, this display device also comprises:
One storer behind the scenes is in order to store the bit image raw data of this first character and this second character;
One graphic engine chip is coupled to this backstage storer, in order to produce a plurality of characters of describing to export this display unit to according to the bit image raw data of this first character and this second character.
9. display device as claimed in claim 8, wherein, this display device also comprises:
Storer before one act is described character and is exported this display unit in order to receive those.
10. display device as claimed in claim 6, wherein, this first character and this second character are a letter, a numeral, a punctuation mark or a control character.
11. display device as claimed in claim 6, wherein, this first caption data is a closed caption data or teletext data.
12. a character display method is applicable to a display device, this display device is in order to receive a picture data and to show a picture according to this, and this method comprises:
Analyze this picture data, to obtain a caption data;
Analyze this caption data, to be shown to learn one first character in one or more positions of this picture, and learn that one second character is to be shown in one or more positions of this picture, and, scan this caption data, set up a corresponding node with this position whenever according to this first character to be shown and this second character, link is capable to form one first substring corresponding to the node of this first character, and link is capable to form one second substring corresponding to the node of this second character, and it is capable of to form character link serial to link capable and this second substring of this first substring; And
Describe this caption data, make and on this position of this first character or those positions, during one first sequential, describe this first character, and then during one second sequential, describe this second character in this position or those positions of this second character.
13. character display method as claimed in claim 12, wherein, the step of describing this caption data also comprises:
Show corresponding this first character or this second character in regular turn according to this node whenever in this character link serial.
14. character display method as claimed in claim 12, wherein, this caption data is a closed caption data or teletext data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101433566A CN101178888B (en) | 2006-11-06 | 2006-11-06 | Character display method and display apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101433566A CN101178888B (en) | 2006-11-06 | 2006-11-06 | Character display method and display apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101178888A CN101178888A (en) | 2008-05-14 |
| CN101178888B true CN101178888B (en) | 2010-07-07 |
Family
ID=39405112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101433566A Expired - Fee Related CN101178888B (en) | 2006-11-06 | 2006-11-06 | Character display method and display apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101178888B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5716294B2 (en) * | 2010-05-19 | 2015-05-13 | セイコーエプソン株式会社 | Display control method, display control apparatus, and program |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534996A (en) * | 1995-03-23 | 2004-10-06 | ���ṫ˾ | Caption data coding/decoding method and device |
| CN1614682A (en) * | 2004-10-22 | 2005-05-11 | 威盛电子股份有限公司 | Automatic detecting and adjusting device and method for title displaying position |
-
2006
- 2006-11-06 CN CN2006101433566A patent/CN101178888B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534996A (en) * | 1995-03-23 | 2004-10-06 | ���ṫ˾ | Caption data coding/decoding method and device |
| CN1614682A (en) * | 2004-10-22 | 2005-05-11 | 威盛电子股份有限公司 | Automatic detecting and adjusting device and method for title displaying position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101178888A (en) | 2008-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4115765A (en) | Autonomous display processor | |
| CN106056530B (en) | Method and device for displaying picture content in application | |
| CN102725743A (en) | Techniques to control display activity | |
| CN106339061A (en) | Mobile terminal and method of run application thereof | |
| US9082370B2 (en) | Display control device and data processing system | |
| US11385740B2 (en) | Organic light-emitting display panel and method for driving the same, and display device | |
| US20170287384A1 (en) | Device and method of using slice update map | |
| CN102547469A (en) | Method for accelerating browsing and display of Web pages with multiple pictures | |
| KR102619668B1 (en) | Apparatus and method of using a slice update map | |
| CN107122104B (en) | Data display method and device | |
| CN100364323C (en) | Method for displaying high resolution JPEG picture using embedded Linux system TV set | |
| CN101127847A (en) | A screen display synthesis method and synthesis device | |
| CN103186507B (en) | Dot matrix word library processing method | |
| CN101178888B (en) | Character display method and display apparatus thereof | |
| CN108024116B (en) | Data caching method and device | |
| US6693644B1 (en) | Graphic accelerator reducing and processing graphics data | |
| CN103186324A (en) | Image editing system and image editing method | |
| CN102902534B (en) | A kind of transparent OSD software implementation method | |
| CN109214977B (en) | Image processing apparatus and control method thereof | |
| US20220301509A1 (en) | Electronic paper display device and operation method thereof | |
| CN112883306B (en) | Page display method and device | |
| CN101996390B (en) | Image copying method and device | |
| CN114913799A (en) | Display control method and device and display equipment | |
| CN115423901A (en) | Method and device for drawing canvas based on json segment | |
| EP2161713A1 (en) | Display system with partial updating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20181106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |