CN1324882C - Method for adjusting sub image display in video playing device - Google Patents
Method for adjusting sub image display in video playing device Download PDFInfo
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- CN1324882C CN1324882C CNB2004100018904A CN200410001890A CN1324882C CN 1324882 C CN1324882 C CN 1324882C CN B2004100018904 A CNB2004100018904 A CN B2004100018904A CN 200410001890 A CN200410001890 A CN 200410001890A CN 1324882 C CN1324882 C CN 1324882C
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Abstract
The present invention relates to a method for adjusting subimage display in a video and audio playing device. In the method, a group of subimage adjusting parameters is provided so as to adjust a display format of a subimage, wherein the method comprises: a subimage position adjusting parameter is provided so as to adjust the display position of the subimage, or a subimage size adjusting parameter is provided so as to adjust the display size of the subimage. The method can set the subimage adjusting parameters by the input equipment of the video and audio playing device, and a video and audio playing system can judge, adjust and display the subimage according to the subimage adjusting parameters.
Description
Technical field
The present invention relates to adjust the method that shows in a kind of video-audio playing device, adjust the method for subimage (subpicture) display format in particularly a kind of video-audio playing device.
Background technology
All the time, Storage Media is all being played the part of indispensable role in audio-video system, so scientific and technological circle are the research that constantly drops into Storage Media, has also obtained huge progress, this not only terminates in the kind of Storage Media, more comprises its stability and storage volume etc.Recently, because the high stability of CD and the advantage of high storage capacity, so the optical disc product of various different qualities is constantly weeded out the old and bring forth the new, its range of application is universal day by day especially.For example, storing the CD of film data, is the bigger DVD of capacity (Digita1 Versatile Disc is called for short DVD) CD by VCD (Video Compact Disc is called for short VCD) progress also, to store the image frame of high image quality.
With DVD videodisc (DVD-VIDEO) specification is example, it has used MPEG-2 dynamic image compressed format, each frame (frame) can reach 720 * 480 (NTSC) or 720 * 576 (PAL) pixel, and at least with the frame rate more than per second 25 frames (frame rate), high-quality dynamic image service is provided, yet in the specification of DVD videodisc, in order to make digital content and user that the interaction of certain degree can be arranged, more planned the mechanism of subimage (subpictures) in addition.Please refer to Fig. 1, the schematic diagram that it is shown as present DVD player output display frame wherein comprises display frame 110 and subimage 120.The DVD videodisc can be supported maximum 32 number of sub images crossfires (subpicture stream), in order to the digital content supplier design menu miscellaneous, mark, listen that barrier is auxiliary, the captions of simple animation and multilingual support.For the purpose of simplified illustration, the known technology person can understand the bitmap that subimage (subpicture) can be considered a succession of compression basically, after decoding, player can be according to this subimage corresponding time parameter of institute and location parameter, this subimage and other are desired video data integrate the back demonstration, for example, digital content supplier can make the bitmap of captions according to a substance film, this film and this caption-pattern are compressed with MPEG-2 and subimage form respectively according to DVD videodisc specification, and when playing, player just can be according to the data of pre-recording in the CD, in time the captions image is attached to the position of presetting in the sub-image data on the movie pictures, reaches the effect of film caption.About subimage (subpicture), captions (subtit1e), substance film, and DVD videodisc making etc., known by the known technology person all, so will not give unnecessary details in this.
Now please refer to Fig. 2, wherein show the flow process that shows the subimage method in the known technology.For the purpose of simplified illustration, the flow process of only handling with regard to subimage (subpicture) proposes explanation herein, and other device and flow process about video-audio playing device is familiar with by the known technology person, so will not give unnecessary details in this.When step 210, video-audio playing device reads sub-image data and decoding in CD, sub-image data is converted to the dot matrix view data of exportable demonstration.Then, in step 220,, desire data presented with other and be integrated into frame (frame) with time correlation according to pairing time of this subimage and location parameter, generally speaking, other is desired data presented and comprises dynamic image data after the decoding or static image data etc.At last, the frame of those and time correlation is sent to display device according to its order and frame rate again, to export as showing.
Yet, because the hobby of the custom the when individual views and admires video-audio data is different, or the DVD videodisc subimage is arranged when making improper, just can cause puzzlement to the user, for example, past is when using video-audio playing device and play film as DVD, because the subtitling format when being to use videodisc to make shows captions, so that the position of the captions that show is all fixed with size, especially when general 4: 3 video screen is play the film of 16: 9 ratios, the upper and lower of video screen tends to therefore have the zone of two sections no video datas, but the captions design is often still based in the viewing area that is placed in film, not only can't utilize the viewing area of those no video datas this moment, for the user of ornamental film, improper if any subtitle position, captions are excessive or too small, so that disturb excellent picture, when hindering film to appreciate, can only bear dumbly yet and can't indiscriminately ad. as one wishes change, this has not been inconsistent the user demand of modern user for high-quality product in fact.
Summary of the invention
In view of this, the invention provides and adjust the method that subimage (subpicture) shows in a kind of video-audio playing device, it can be according to user's actual demand, adjust the size and location that show subimage (subpicture), wherein a purposes is the size and location of adjusting captions, very is convenient to user's use.
Adjust the method that subimage (subpicture) shows in the video-audio playing device of the present invention, its method comprise at first read a sub-image data and decoding, one group " subimage adjustment parameter " is provided then, to judge and to confirm a subimage to be adjusted, then adjust the display format that parameter is adjusted this subimage to be adjusted according to this subimage.This subimage is adjusted parameter can comprise a subimage " position " adjustment parameter, if the position is different with default position after the adjustment shown in this parameter, then adjusts parameter antithetical phrase picture position according to this subimage position and adjusts; In addition, this subimage is adjusted parameter can comprise a subimage " size " adjustment parameter, if size is different with default size after the adjustment shown in this parameter, then adjusts according to this subimage adjusted size parameter antithetical phrase picture size.At last again should adjusted subimage and other desire to export display to after data presented is integrated, finish adjustment to subimage.
Wherein, this subimage is adjusted parameter and is comprised a subimage location parameter to be adjusted, subimage position adjustment parameter and a subimage adjusted size parameter, these parameters can be selected default parameter combinations by the input equipment of user's mat video-audio playing device, or the zone of the selected display frame of the input equipment of mat video-audio playing device is to set it.
The accompanying drawing summary
Fig. 1 is that the subimage of video-audio playing device in the explanation known technology shows schematic diagram.
Fig. 2 is the subimage display packing flow chart that shows according to video-audio playing device in the known technology.
Fig. 3 is the adjustment subimage display packing flow chart that shows a kind of video-audio playing device of the preferred embodiment according to the present invention.
Fig. 4 (A) to (B) is respectively subimage position and the adjusted size schematic diagram of explanation according to video-audio playing device in one embodiment of the invention.
Fig. 5 is that explanation is according to simultaneously subimage being carried out position and adjusted size schematic diagram in one embodiment of the invention.
The reference numeral explanation
110 display frames, 120 subimages
410 display frames, 420 atomic diagram pictures
430 adjust back subimage 460 display frames
470 atomic diagram are adjusted the back subimage as 480
510 display frames, 520 atomic diagram pictures
530 adjust the back subimage
Embodiment
For the features and advantages of the present invention can be become apparent, hereinafter special with preferred embodiment, and conjunction with figs., be described in detail below.
Please refer to Fig. 3, it is for adjusting the method flow that subimage (subpicture) shows in a kind of video-audio playing device of the preferred embodiment according to the present invention.When step 310, shown in step 210 in the prior art, video-audio playing device reads sub-image data and decoding in CD, sub-image data is converted to the dot matrix view data of exportable demonstration.In addition, provide and import one group " subimage adjustment parameter " (step 350),, and adjust parameter at other subimage such as the position of subimage or size comprising one " subimage location parameter to be adjusted ".Then in step 320, judge whether and to adjust the aforementioned subimage that reads according to being somebody's turn to do " subimage location parameter to be adjusted ".This subimage location parameter to be adjusted for example can be upper left corner coordinate and the lower right corner coordinate that is indicated this subimage corresponding rectangular display area in display frame by two groups of coordinates, judge that by video-audio playing device whether it overlap with present subimage again, can also be that a subimage (for example: 0-31) is numbered, such as the decoding back belongs to the subimage of this numbering, is all adjusted.
In addition, treat adjustment region, playing device is considered other parameter except that subimage location parameter to be adjusted in this group subimage adjustment parameter again.In certain embodiments, this subimage adjustment parameter also comprises one " parameter is adjusted in the subimage position "; In other embodiments, this subimage is adjusted parameter and is also comprised one " subimage adjusted size parameter ", in preferred embodiment of the present invention, then can comprise the adjustment parameter of above-mentioned two classes in the lump.In this step 320,, just be not judged as and need adjust as if position or size and the position of presetting or measure-alike after the adjustment shown in this subimage adjustment parameter.Through being judged as the subimage that need not adjust, then directly carry out step 340, this subimage and other are desired to export after data presented is integrated, under this state, its executive mode and known technology are similar.
When step 330, because of this subimage adjust after the adjustment shown in parameter the position or size different with position or the size preset, so adjust according to this adjustment parameter antithetical phrase picture position, subimage position or size, then in step 340, this subimage and other desired data presented integration back output.This subimage adjustment can realize by carrying out firmware, can also be by the real work of logical circuit.And start shooting when initial at video-audio playing device, those subimages are adjusted the value that parameters can load previous storage, or with the subimage decoding data of individual discs as initial value.In addition, in the disclosed embodiment of the present invention, be for for the purpose of the simplified illustration, the adjustment of single number of sub images is only described, yet the known technology person can understand in a video-audio playing device system, do not limit to have only one group of subimage to adjust parameter, and be example with the DVD videodisc, because of its specification is supported to as many as 32 number of sub images, so but the player of a DVD playing back videodisc can also be made 32 groups of subimages adjustment parameters in fact with corresponding each subimage.
Please refer to Fig. 4 (A), it is a schematic diagram, is in order to the subimage position adjustment of explanation according to video-audio playing device in one embodiment of the invention.One user's desire as 420 translations, makes the atomic diagram in the display frame 410 it become one and adjusts back subimage 430, and wherein atomic diagram is to get according to original sub-image data decoding as 420 position.In one embodiment, the subimage position be by two groups of coordinates indicate this subimage in display frame corresponding rectangular display area to angular coordinate, be two-end-point such as the upper left corner coordinate and the lower right corner coordinate of a diagonal of rectangular display area, and comprise a home position parameter and a destination locations parameter in this subimage position adjustment parameter, can write down angular coordinate on the original left respectively, an angular coordinate and a purpose upper left corner coordinate under one original right, so video-audio playing device just can select the subimage in the rectangular area to adjust according to this home position, relatively home position and this destination locations are adjusted to destination locations with this subimage; In certain embodiments, this subimage position adjustment parameter is to be stored in the volatibility or Nonvolatile memory of video-audio playing device.
Please refer to Fig. 4 (B), it is a schematic diagram, is in order to the subimage adjusted size of explanation according to video-audio playing device in one embodiment of the invention.One user's desire is amplified the atomic diagram in the display frame 460 or is dwindled its size as 470, make it become one and adjust back subimage 480, and wherein atomic diagram is to get according to original sub-image data decoding as 470 size.In one embodiment, subimage adjusted size parameter is to be a floating number, in order to the displaying ratio of record with respect to original subimage, and in some other embodiment, subimage adjusted size parameter then comprises two groups of floating numbers, represent respectively subimage laterally with displaying ratio longitudinally, so video-audio playing device just can be according to this adjusted size parameter, subimage is carried out interpolation mend the computing that point amplifies or sampling is dwindled, and reach the purpose of adjusted size; In certain embodiments, this subimage adjusted size parameter is to be stored in the volatibility or Nonvolatile memory of video-audio playing device.
Please refer to Fig. 5, it is a schematic diagram, is according to simultaneously subimage being carried out position and adjusted size in one embodiment of the invention in order to explanation.Adjust in the parameter at subimage, also can comprise the subimage position simultaneously and adjust parameter and subimage adjusted size parameter, its adjustment mode is can use above-mentioned position and adjusted size mode for it.For example, in a display frame 510, desire with atomic diagram as 520 position and the sizes that are adjusted to shown in 530, can carry out adjusted size to atomic diagram as 520 earlier after, again to adjusting its position of subimage translation after the size; Can also adjust this atomic diagram earlier as 520 position, amplify or dwindle computing in reposition again.
In addition, in order to reach the computing of above-mentioned adjustment position and size, it can be built-in default value that one group of subimage that video-audio playing device provided is adjusted parameter, also can be according to user's actual demand, adjust by the user, therefore player must provide the user to adjust the establishing method of parameters about setting subimages such as subimage location parameter to be adjusted in the video-audio playing device, subimage position adjustment parameter or subimage adjusted size parameter, adjusts the form that video-audio playing device is shown in the subimage on the display screen.
About selected subimage location parameter to be adjusted, its selected method can be a selected rectangular display area to angular coordinate, promptly the mode of the two-end-point of a diagonal of rectangular display area such as the upper left corner and lower right corner coordinate is chosen.Because the subimage that is shown on the display screen simultaneously may be not only one, therefore, choose a square window with the locate mode of the upper left corner and lower right corner coordinate, just can demarcate the target subimage that desire is adjusted more clearly, do not wish the subimage that changes and can not have influence on other; In addition, its method for selecting can also be initiatively a sub-image area to be utilized visual effect (for example adding frame or anti-white) by video-audio playing device to indicate present active subimage, the user is just utilized the input equipment (for example directionkeys on the remote controller) of video-audio playing device to switch between each subimage and chooses.
In addition, aspect setting subimage position adjustment parameter, can be to use the input equipment of video-audio playing device, for example the directionkeys on the remote controller dynamically moves selected rectangular display area, for example, and whenever by a directionkeys, then rectangular display area is moved a fixed range along with the direction of directionkeys, the user then according to the displacement and the direction of its required subimage, comes the direction of operating key, makes subimage can be shown in the desired position.As for subimage being moved to desired location apace, then can provide the direct moving cursor of user to select the position of rectangular display area, or directly import the coordinate figure of rectangular display area, so that rectangular display area is moved to desired location apace, so just can save user's operating time.
In addition, aspect setting subimage adjusted size parameter, the size of can the service orientation key dynamically adjusting rectangular display area, for example, whenever by a directionkeys, then rectangular display area is amplified along with the difference of directionkeys or dwindle a fixed proportion, so that can adjust the size that shows subimage step by step.If but subimage can be adjusted to required size apace, then can provide the user directly to import the displaying ratio of rectangular display area, or in a plurality of fixedly displaying ratios such as predefined as 1/4 times, 1/2 times, 2 times or 4 times, select the displaying ratio of a rectangular display area, to adjust the size that required subimage shows apace; In certain embodiments, also can utilize and specify the purpose rectangular display area, calculate the Aspect Ratio of adjusted size by video-audio playing device automatically.
In the invention described above embodiment, the method is the usefulness that is applied to the captions demonstration of display frame below, so one group of subimage of only real work is adjusted parameter; In some other embodiment, the method can be with the captions that apply to the display frame upper and lower, even other menu that is provided based on the subimage specification, mark, the auxiliary and simple animation of tin barrier, then can make the independently subimage of many groups in fact and adjust parameter, to allow that the user is able to zones of different is realized different subimage adjustment.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (7)
1. adjust the method that a sub-image data shows in a video-audio playing device, its method comprises:
Provide one group of subimage to adjust parameter, wherein, this group subimage is adjusted parameter and is comprised a subimage location parameter to be adjusted and at least one subimage display format adjustment parameter, this group subimage is adjusted parameter and is user's definition, and this subimage display format is adjusted parameter and comprised a subimage adjusted size parameter;
Confirm that according to this subimage location parameter to be adjusted this subimage is to be a subimage to be adjusted; And
Adjust parameter according to this group subimage this subimage to be adjusted is carried out the adjustment of display format.
2. the method that adjustment one sub-image data as claimed in claim 1 shows, wherein, this subimage location parameter to be adjusted comprises at least one cornerwise two-end-point coordinate of a rectangular display area.
3. the method that adjustment one sub-image data as claimed in claim 1 shows, wherein, this subimage display format is adjusted parameter and is comprised subimage position adjustment parameter.
4. the method that adjustment one sub-image data as claimed in claim 3 shows, wherein, the adjustment that this subimage to be adjusted is carried out display format is to adjust parameter according to this subimage position this subimage to be adjusted is carried out the position adjustment.
5. the method that adjustment one sub-image data as claimed in claim 3 shows, wherein, this subimage position is adjusted parameter and is comprised a home position parameter and a destination locations parameter.
6. the method that adjustment one sub-image data as claimed in claim 1 shows, wherein, the adjustment that this subimage to be adjusted is carried out display format is according to this subimage adjusted size parameter this subimage to be adjusted to be carried out adjusted size.
7. the method that adjustment one sub-image data as claimed in claim 2 shows, wherein, this subimage is a captions picture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100018904A CN1324882C (en) | 2004-01-15 | 2004-01-15 | Method for adjusting sub image display in video playing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100018904A CN1324882C (en) | 2004-01-15 | 2004-01-15 | Method for adjusting sub image display in video playing device |
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| CN1558663A CN1558663A (en) | 2004-12-29 |
| CN1324882C true CN1324882C (en) | 2007-07-04 |
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| CNB2004100018904A Expired - Lifetime CN1324882C (en) | 2004-01-15 | 2004-01-15 | Method for adjusting sub image display in video playing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPWO2010116457A1 (en) * | 2009-03-30 | 2012-10-11 | Ｎｅｃディスプレイソリューションズ株式会社 | Video display device and video processing method |
| CN102595242B (en) | 2012-03-12 | 2015-03-11 | 华为技术有限公司 | Dynamic video regulation system, terminal and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960007542B1 (en) * | 1993-06-02 | 1996-06-05 | 대우전자 주식회사 | Character position adjusting apparatus |
| CN1139338A (en) * | 1995-06-28 | 1997-01-01 | 大宇电子株式会社 | Apparatus for controling caption display on wide aspect ratio screen |
| US5748251A (en) * | 1994-01-14 | 1998-05-05 | Funai Electric Co., Ltd. | Apparatus with a built-in teletext broadcasting decoder and teletext display adjustment apparatus |
| US20010009445A1 (en) * | 2000-01-24 | 2001-07-26 | Chung Jung Oh | Caption display method of digital television |
| CN1335727A (en) * | 2000-07-14 | 2002-02-13 | 汤姆森许可贸易公司 | Method and apparatus for recording caption |
-
2004
- 2004-01-15 CN CNB2004100018904A patent/CN1324882C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960007542B1 (en) * | 1993-06-02 | 1996-06-05 | 대우전자 주식회사 | Character position adjusting apparatus |
| US5748251A (en) * | 1994-01-14 | 1998-05-05 | Funai Electric Co., Ltd. | Apparatus with a built-in teletext broadcasting decoder and teletext display adjustment apparatus |
| CN1139338A (en) * | 1995-06-28 | 1997-01-01 | 大宇电子株式会社 | Apparatus for controling caption display on wide aspect ratio screen |
| US20010009445A1 (en) * | 2000-01-24 | 2001-07-26 | Chung Jung Oh | Caption display method of digital television |
| CN1335727A (en) * | 2000-07-14 | 2002-02-13 | 汤姆森许可贸易公司 | Method and apparatus for recording caption |
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