JP2003319316A - Image reproducing apparatus and dvd video reproducing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a DVD video reproducing apparatus operating buttons of which have enhanced visibility and operability. <P>SOLUTION: The operating example of the picture edit processing of the DVD video reproducing apparatus of this invention includes the steps of: (a) obtaining a button area on a map indicative of the number of buttons and a pixel value according to the description of highlight information HLI; (b) setting a size of a new button area and new arrangement; (c) extracting a button image in the button area on pixel data; (d) magnifying the extracted button image matching the size of the newly set button area; (e) drawing a sub picture image by replacing the pixel in the button area on the pixel data with a background pixel; and (f) arranging the magnified button image on the sub picture image according to the newly set arrangement to obtain a final sub picture image, and generating the magnified button image having its display color and contrast with values providing excellent visibility. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for improving a user interface provided by using a button during a presentation in a DVD video reproducing apparatus for reproducing a presentation recorded on a DVD-Video disc.

[0002]

2. Description of the Related Art In a DVD-Video disc defined by the DVD-Video standard, a content provider displays a button and accepts a user's button selection / decision operation, and performs a reproduction operation corresponding to the accepted button. DV to define
It can be included in the recorded data of a D-Video disc. Here, FIG. 9 shows how the buttons are defined in the recorded data of the DVD-Video disc. The screen on which the button is displayed is formed by synthesizing a sub-picture operated according to highlight information HLI on a moving image or still image based on video data. Also,
The sub-picture is basically a still picture, and the rectangular area on the sub-picture described in the highlight information HLI becomes the button area. Then, the button selected by the user or the determined button is expressed by changing the display color of the area of the button of the sub-picture or the combination ratio with the moving image according to the highlight information. Where the video,
The highlight information HLI and the sub-picture are all recorded on the DVD-Video disc. In the example shown in the drawing, when the button with the button number 2 is selected by the user operation, the display color of the area of the button with the button number 2 in the sub-picture is changed according to the highlight information. Shows.

[0003]

[Problems to be Solved by the Invention] As described above, DVD-Vide
On the disc, a button for accepting a user operation is defined as an area on a sub-picture that is an image. Therefore, in the display device having a large display screen size and the display device having a small display screen size, since the sub-pictures are displayed in the sizes having the same ratio to the display screen size, the sizes of the buttons are also different. Therefore, in a system using a display device having a small display screen size, for example, in a portable DVD video reproducing device or a vehicle-mounted DVD video reproducing device, the button has such a small size that it hinders its good visibility and operation. It may become. On the other hand, some users may have a desire to use the button in a form having better visibility and operability than the size, display attribute, and arrangement defined by the provider. For example, some users
In some cases, a provider wants a button with a chic color scheme for the purpose of design to improve visibility and operability with a button having a clear color scheme rather than its design. In addition, some users may find it difficult to visually recognize and operate the buttons with respect to the buttons arranged in the lower right corner of the display screen by the provider.

Therefore, an object of the present invention is to improve the visibility and operability of a button defined as an image area.

[0005]

[Means for Solving the Problems] To achieve the above objects,
The present invention defines, for example, an image reproducing device that performs an image display process having a partial area defined as a button area, with respect to image data defining the image, as the button area of the image. Editing means for editing the size or arrangement or display attribute of the image portion in the partial area different from that defined by the image data, and image display for displaying an image according to the image data edited by the editing means And a button operation accepting means for accepting an operation of the button from the user.

The image data defines the display attribute of an image portion within a partial area defined as a button area of the image with respect to the image data defining the image. When the editing is performed differently from the above, the display attribute may be at least one of the display color and the transparency.

According to such an image reproducing apparatus, it is possible to generate, from the image data, an image in which the size, arrangement, and display attribute of the buttons included in the image are different from those defined by the image data. Therefore, it is possible to change the size, arrangement, and display attribute of the button so as to improve the visibility and operability of the button and present it to the user.

In order to achieve the above object, the present invention provides a DV
Sub-picture reproducing means for reproducing the sub-picture recorded on the D-Video disc, video reproducing means for reproducing the video recorded on the DVD-Video disc, and synthetic display means for synthesizing and displaying the video and the sub-picture. And a DVD video reproducing device for reproducing a DVD-Video disc, which is configured as follows.

That is, according to one aspect of the present invention, in the sub-picture reproducing means, a display pattern in a sub-picture defined by pixel data (PXD) of a sub-picture unit (SPU) recorded on a DVD-Video disc. Of the above, the relative size of the display pattern in the button area defined by the highlight information (HLI) recorded on the DVD-Video disc to the sub-picture depends only on the size specified by the pixel data of the sub-picture. Instead, an image having a size determined according to a predetermined rule is generated as the sub picture.

According to such a DVD video reproducing apparatus, a display pattern such as a button figure, a user button number displayed in the button area of a sub-picture, or a character string indicating an operation performed by the button, that is, a user pattern. The size of the button relative to the sub-picture can be changed from the size specified by the pixel data to a size that complies with a predetermined rule that allows the desired visibility and operability of the button to be realized. Like Therefore, it becomes possible to present the button to the user by enlarging the button so as to improve the visibility and operability.

In another aspect of the present invention, in the sub-picture reproducing means, a DVD-in the display pattern in the sub-picture defined by the pixel data of the sub-picture unit recorded in the DVD-Video disc, Vi
Arrangement in the sub-picture of the display pattern in the button area defined by the highlight information recorded on the deo disc is determined according to a predetermined rule without depending only on the arrangement defined by the pixel data of the sub-picture. Is generated as the sub picture.

According to such a DVD video reproducing apparatus, the arrangement of the buttons in the sub-picture is determined from the arrangement defined by the pixel data so that the desired visibility and operability of the buttons can be realized. You will be able to change the arrangement according to the rules. Therefore, the button
It can be arranged at a position where the visibility and operability are further improved and can be presented to the user.

Further, in another aspect of the present invention, in the sub-picture reproducing means, the highlight data recorded on the DVD-Video disc among the pixel data of the sub-picture unit recorded on the DVD-Video disc. The pixel in the button area corresponding to the button area defined by the information and not selected / decided is set to the sub-picture display control sequence table (SP_DCS
QT) does not depend only on the display attribute value specified by QT), and the sub-picture is generated by drawing so as to be displayed with the display attribute determined according to a predetermined rule.

According to such a DVD video reproducing apparatus,
The display attributes on the display screen of the buttons that have not been selected or decided in the sub-picture are determined from the display attribute values defined by the sub-picture display control sequence table so that the desired visibility and operability of the buttons can be realized. It becomes possible to change the display attribute according to the predetermined rule. Therefore, the buttons that have not been selected or decided can be presented to the user by the display with the display attribute that further improves the visibility and operability.

Further, in another aspect of the present invention, in the sub-picture reproducing means, among the pixel data of the sub-picture unit recorded on the DVD-Video disc, the highlight recorded on the DVD-Video disc. A display attribute determined according to a predetermined rule, without depending on only the display attribute value defined by the highlight information, for the pixel in the button area corresponding to the selected or determined button area defined by the information. The sub-picture is generated by drawing the sub-picture.

According to such a DVD video reproducing apparatus,
The display attribute of the selected or determined button included in the sub-picture on the display screen is determined from the display attribute value defined by the highlight information so that the desired visibility and operability of the button can be realized. The display attributes can be changed according to the rules. Therefore, it becomes possible to present the selected or determined button to the user by the display with the display attribute that further improves the visibility and operability.

In the above DVD video reproducing apparatus, the display attribute is the display color of the pixel of the image in the button area, which is defined by the sub-picture display control sequence table and highlight information, and the contrast according to the DVD-Video standard. It is also possible to use at least one of the mixing ratio of the pixel of the image in the button area and the video in the combination by the combination display means.

The present invention also provides, in another aspect, a DV
D According to the adjacency information that defines the up / down / left / right adjacency relationship between the buttons on the display, the direction indicated by the selection button, which is the selected button, according to the user's direction instruction. Buttons adjacent to the button selection means for switching the selection button is provided, and the sub-picture reproduction means is a display pattern in a sub-picture defined by pixel data of a sub-picture unit recorded on a DVD-Video disc. Button image enlarging means for enlarging the relative size of the display pattern in the button area defined by the highlight information recorded on the DVD-Video disc to the sub-picture to a size determined according to a predetermined rule, and the button image enlarging. An image in which the enlarged button images are arranged according to a predetermined rule is generated as the sub-picture. Button image arranging means,
Adjacent information generating means for generating the adjacent information is provided so as to match the arrangement of the button image arrangement means.

According to such a DVD video reproducing device,
From the pixel data that defines the size and arrangement of buttons for subpictures included in subpictures,
It is possible to improve the visibility and operability of the buttons by changing the size and layout according to the prescribed rules that have been established so that the desired visibility and operability of the buttons can be realized. Even after that, the selection of the button by the user's direction instruction can be accepted without any trouble.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. FIG. 1 shows the configuration of a DVD video playback device according to this embodiment. As shown in the figure, the DVD video playback device is a DVD-ROM for read access to the DVD-Video disc 1.
It has a driver 10, a navigation manager 11, a presentation engine 12 for reproducing and outputting a video, a display device 13 for outputting a moving image, a sound output device 14 such as a speaker for outputting sound, and an operation unit 15 such as a remote controller.

The DVD-Video disc 1 has a lead-in area and a lead-out area according to the DVD-ROM standard (physical standard) and a data area therebetween, and the data area has a UDF-Br.
A volume and file structure area describing a volume and a file structure according to the idge standard (file standard) are provided. In addition, a file group including a plurality of files is stored in the data area, and the data in these file groups becomes application data according to the DVD-Video standard. The application data is roughly classified into presentation data that stores the substance of the presentation such as audio data, moving image data, sub-picture data, and highlight information, and navigation data for controlling the execution of the presentation.

In the presentation engine 12, the demultiplexer function section 121 reads presentation data from the DVD-Video disc 1 and converts the presentation data into audio data, moving image data,
Sub-picture data, highlight information of buttons, etc. are extracted. The audio decoder 122 decodes the extracted audio data and outputs it to the audio output device 14, the video decoder 123 decodes the extracted moving image data, the sub-picture decoder 124 decodes the pixel data PXD of the sub-picture, PCI, HLI decoder 125
Decodes the highlight information. Picture editor 12
A button 6 performs a button editing process, which will be described later, based on the sub-picture and highlight information, and generates an image including a button as a part of the area as an output picture image. The synthesizing control unit 127 includes a decoded moving image and picture editing unit 1.
Display device 1 by combining output picture images edited by 26
Output to 3.

Further, the navigation manager 11 is
The presentation reproduction sequence is determined according to the navigation data read via the DVD-ROM driver 10 and the user operation received from the operation unit 15, and the reproduction output operation of the presentation engine 12 in the determined reproduction sequence is controlled. To do. here,
User operations received by the navigation manager 11 from the operation unit 15 include button selection and button determination operations.

Here, an example of the structure of reproduction of presentation data defined in the DVD-Video standard will be briefly described. The playback sequence of each presentation is defined by one or more program chain PGCs, and the program chain information PGCI defines the structure of the PGCs. FIG. 2 shows the playback structure of the PGC, and this PGCI defines the programs PG included in the PGC and the playback order of the PGs. Also,
The PGCI can include a command to be executed at the start and end of the PGC reproduction, and a description of the PGCI to be executed next.

Each PG consists of one or more cells CELL, and each CE
LL consists of multiple video object units VOBU,
Each VOBU has one navigation pack NV_PCK, multiple video packs V_PCK and multiple audio packs A_PCK.
And can have multiple sub-picture packs SP_PCK. And the video data is A_PCK in the video pack V_PCK.
Audio data is stored in SP_PCK, and sub-picture data is stored in SP_PCK. The NV_PCK includes the highlight information HLI described above.

Here, the presentations whose reproduction is controlled by the PGCI as described above include three types of presentations: a menu presentation for the entire title, a menu presentation commonly used for a plurality of titles, and a presentation for each title. The reproduction structure as described above is defined by the data structure shown in FIG. 3 in the application data in accordance with the DVD-Video standard.

As shown in FIG. 3, the application data according to the DVD-Video standard includes a video manager VMG which is menu data for the entire title and a video title set VTS which is data of a plurality of titles (see FIG. 3a). And VMG is the video manager information VMGI
And a video object set VMGM_VOBS for the video manager menu. Then, VMGI includes VMGM_PGCI, which is a PGCI for controlling the playback of the presentation of the menu for the entire title using VMGM_VOBS (FIG. 3b).

On the other hand, VTS is the video title set information V
It has a TSI, a video object set VTSM_VOBS for the video title set menu, and a video object set VTSTT_VOBS for the video title set title.
Then, VTSI uses VTSM_VOBS to control playback of menu presentations commonly used for titles in VTS, VTSM_PGCI and VTSTT_VOB.
Includes VTS_PGCI, which is a PGCI for controlling playback of presentations of individual titles using S (Fig. 3
c).

Each VO of VMGM_VOBS, VTSM_VOBS, VTSTT_VOBS
BS has one or more video objects VOB (see FIG. 3).
d), each VOB has more than one CELL (Fig. 3e). And, as mentioned above, each CELL has one or more VOBUs (Fig. 3f). Each VOBU can have multiple V_PCKs, multiple A_PCKs, and multiple SP_PCKs in addition to one NV_PCK (Fig. 3g). Also, NV_PCK has reproduction control information PCI and data search information DSI (FIG. 3h). And multiple SP
_PCK forms a sub-picture unit SPU (Fig. 3i).

Here, the above PCI, DSI, VMGI, and VTSI roughly correspond to the navigation data described above.
The part excluding NV_PCK roughly corresponds to the above-mentioned presentation data. The broken-line blocks in FIG. 2 show the correspondence between the presentation playback structure and the PGCI and VOBS in the above data structure.

Next, as shown in FIG. 4, the sub-picture unit SPU (FIG. 4a) has a sub-picture unit header SP.
It consists of UH, pixel data PXD, and sub-picture display control sequence table SP_DCSQT (Fig. 4b). The pixel data PXD is pixel data of the compression-coded sub-picture image. The sub-picture image is an image having a pixel value (pixel depth) of 2 bits, and each pixel is one of a background pixel, a pattern pixel, an emphasized pixel 1, and an emphasized pixel 2 depending on the pixel value. The sub-picture display control sequence table SP_DCSQT stores a palette that defines a display color for each of the background pixel, the pattern pixel, the emphasized pixel 1, and the emphasized pixel 2 and a value called contrast in the DVD-Video standard. There is. The contrast can be understood as the transparency of a pixel, and represents the mixing ratio when the pixel and the moving image are combined. Also SP
In addition to this, _DCSQT describes the display range of the sub-picture image, the display area on the display screen, the valid period and the display period of the sub-picture image, and the like.

Next, the reproduction control information PCI (FIG. 4c) includes highlight information HLI (FIG. 4e). Highlight information
The HLI includes highlight general information HL_GI, button color information table BTN_COLIT, and button information table BTNIT (FIG. 4f). As shown in FIG. 4g, the highlight general information HL_GI includes HLI_SS that describes whether or not the HLI is valid and the difference with the preceding HLI, HLI_S_PTM and HLI_E_PTM that indicate the beginning and end of the HLI valid period, and button selection. BTN_SL_E_PTM, which represents the end of the period for accepting, and BTN_MD, which represents the attribute of the button group. Here, in the DVD-Video standard, a set of buttons is grouped so that the button area can be set correctly even in systems with different display aspect ratios and systems with different display modes such as letterbox and pan / scan. As a maximum, three groups are defined, and the set of buttons to be used can be switched according to the display aspect ratio and the display mode. BTN_MD represents which display aspect ratio and display mode each button group corresponds to. The maximum number of buttons is 36 when the number of button groups is 1, and the maximum is 1 when the number of button groups is 2.
When the number of button groups is 8, the maximum number is 12, and the number of buttons in each button group is the same.

Further, the highlight general information HL_GI includes the offset BT used for calculating the button number for the user.
N_OFN, BTN_NS that indicates the number of valid buttons in each button group in common, NSL_BTN_Ns that indicates the number of buttons that can be selected by user operation in each button group in common, FOSL_BTNN that indicates the button that is selected by default when HLI is enabled, and HLI disabled Represents the button that is determined by default when instantiating
Has FOAC_BTNN.

Next, the button color information table BTN_COLI
T has three button color information BTN_COLI # (see FIG. 4).
h), each including a palette defining the display color and contrast of the background pixel, the pattern pixel, the emphasized pixel 1 and the emphasized pixel 2 in the area of the selected button of the sub-picture, and the determined button of the sub-picture. A palette defining the display color and contrast of the background pixel, the pattern pixel, the emphasized pixel 1 and the emphasized pixel 2 of the area is stored (FIG. 4i).

The button information table BTNIT has button information BTNI provided for each button (FIG. 4j).
TNI contains the area coordinates on the sub-picture image of the button and the button color information used when selecting / determining the button.
Button position information that describes the specification of BTN_COLI # BTN_POSI
And AJBT showing the buttons that are adjacent to the top, bottom, left and right of the button.
N_POSI and the button command BTN_CM which is the command executed by the DVD video playback device when the button is determined.
D is described (Fig. 4k).

Here, when the number of button groups is 2, the BTNI of 1 to 18 is the BTNI of the first button group, 19
The BTNIs of ~ 36 are the BTNIs of the second button group, and when the number of button groups is 3, the BTNIs of 1-12 are the BTNIs of the first button group, and the BTNIs of 12-24 are the BTNIs of the second button group, 25- 36 BTNI is the third button group BT
NI. Further, each button is given a button number BTNN from 1 in the order of BTNI in each button group, and BTNN + BTN_OFN becomes the user button number U_BTNN designated when the user selects the button. Also, A
JBTN_POSI is information used by the user to switch the button to be selected with the up, down, left, and right arrow keys when a certain button is selected. When you operate a key, the selection of that button is canceled,
The upper adjacent button described in AJBTN_POSI of BTNI of that button is selected.

As described above, in the display of the sub-picture image, as shown in FIG. 4, in the area of the selected or determined button, each pixel is drawn using the palette of BTN_COLI # in HLI. For other areas, PCI sub-picture display control sequence table SP_DC
Each pixel will be drawn using the SQT palette.

The button processing in such a DVD video reproducing apparatus will be described below. FIG. 5 shows a procedure of a button editing process performed by the above-described picture editing unit 126 to generate an image including a button as an output picture image. The picture editing unit 126 receives the decoded SPU pixel data PXD and the sub-picture display control sequence table SP_DCSQT from the sub-picture decoder 124. On the other hand, the highlight information HLI is received from the PCI / HLI decoder 125. And in the button editing process,
As shown in the figure, it is checked whether or not the highlight information HLI is validated (step 502). If not, it is checked whether the pixel data PXD is updated or the sub-picture operation by SP_DCSQT is updated ( Step 504), step 502 if there is no update
Go back to and if there is any update, pixel data PXD
A sub-picture image is created by drawing each pixel in accordance with SP_DCSQT (step 506), and the output picture image is updated with the generated sub-picture image (step 50).
8). Therefore, here, the display color and contrast of all the pixels of the sub-picture image are determined according to the palette described in SP_DCSQT.

On the other hand, if the HLI is valid, the HLI displays the button area on the sub-picture, the number of buttons, etc. for all the buttons in the currently valid button group.
Extract by referring to BTN_NS or BTN_POSI (step 51).
0). Then, according to the number of extracted buttons and the size of the button area, the size of the button and the arrangement of the button area on the output picture image are set according to a predetermined algorithm (step 512). Here, the output picture image is an image of the same size as the entire display screen of the display device 13 (the same size as the video size). The details of the button area size and the button area layout algorithm will be described later. Here, in order to facilitate understanding of the following description, the pixels in the hatched area in FIG. 6a are background pixels. Yes, the pixel data PXD shows a map of pixel values such that the pixels in the black area are pattern pixels and the pixels in the white area are emphasis pixels 1. If the indicated rectangle is the button area indicated by the HLI, then in step 512, as shown in FIG.
It is assumed that the size of each button and the layout of the button area on the output picture image are set. here,
Hereinafter, for convenience of explanation, a map of pixel values as shown in FIG. 6a will be referred to as a pixel value image.

Returning to FIG. 5, next, according to the arrangement of the set button areas, adjacent button information indicating adjacent buttons vertically and horizontally for each button is generated (step 51).
4). This adjacent button information is HJ's BTNI's AJBTN_POSI
The information is the same as the above, except that each button does not indicate an adjacent button in the arrangement on the pixel value image, but indicates an adjacent button in the arrangement on the set output picture image. For example, in the case of FIG. 6b, the button of BTNN1 is adjacent to the button of BTNN2 in the downward direction, the button of BTNN2 is adjacent to the button of BTNN1 in the upward direction, and the button of BTNN3 is in the downward direction. Adjacency information representing the adjacency relationship of the button areas on the output picture image for each button is generated.

Returning to FIG. 5, next, the picture editing unit 126.
Notifies the navigation manager 11 of the highlight general information HL_GI and button information about each button (step 516). The button information includes the button area, which is the area where the button is arranged on the output picture image, the adjacent button information, and the button command defined as described above for each button, for the button of each button number. The navigation manager 11 uses the notified information to select the FOS of the highlight general information HL_GI.
The picture editing unit 126 is notified of the button numbers of the buttons selected and determined by L_BTNN and FOAC_BTNN and the button numbers of the buttons selected / determined by the user operation. That is, when the button selection is accepted by the coordinate designation or the user operation of the direction key, the navigation manager 11 sends the button number of the button having the button area including the designated coordinates to the picture editing unit 126. Or the button number of the button whose adjacency information defines that it is adjacent to the current selection button in the direction instructed by the operation of the direction key is notified as the selection button button number. In addition, the navigation manager 11 determines whether the button with the determined button number or the highlight general information HL_GI F
OAC_BTNN Determines the button command to be operated and executes the defined button command.

In the picture editing unit 126, next,
For each of the selection button, decision button, and non-selection non-decision button, a palette describing the display color and contrast on the output picture image for the background pixel, the pattern pixel, the emphasized pixel 1, and the emphasized pixel 2 is set (step 518). ). Here, each palette is prepared in advance, for example. However,
For example, pattern pixels are black, background pixels are white,
The contents of these palettes should be set so that the displayed buttons are clearly legible by setting the highlighted pixels to red or setting the contrast of all pixels to a value that increases the mixture ratio for the movie. To do. Here, one palette may be set for each of the selection button, the decision button, and the button for the non-selection non-decision state, or BTN_COL in the HLI may be set.
Similar to I #, three may be provided for each. It is also possible to prepare a plurality of palette sets for each state so that they can be appropriately selected depending on the user's setting for the DVD video playback device.

Next, the pixel data in the button area on the pixel value image is extracted from the pixel value image and used as button pixel data (step 520). That is, for the pixel data PXD shown in FIG. 6a, the pixel data in each button area is extracted as shown in FIG. 6c,
Button pixel data.

Then, after replacing all the pixel values in the button area on the pixel value image of the pixel value image with the pixel values of the background pixels, the pixel data PXD
A sub-picture image is created by drawing each pixel in accordance with SP_DCSQT, and is used as the base image. That is, for the pixel data PXD shown in FIG. 6a, as shown in FIG. 6e, a base image in which the button area is filled with the background display color and the contrast defined by the palette of SP_DCSQT is generated (step 522). In this step, if the sub-picture has a size (smaller than the video size) displayed on a part of the display screen of the display device 13, the base image is further enlarged or the contrast is set to 0. The size of the output picture image is made to be the same as that of the transparent pixel or the background color pixel by surrounding the pixel, so that the button area determined in step 512 fits within the base image.

Then, for all the buttons in the currently effective button group indicated by the HLI (step 524), the button pixel data, the previously set display color, the contrast, the button size, and the button selection / determination / non-selection. A button image on the output picture image is generated according to the selection undecided state (step 526). That is, in this process, first, the enlargement equal size is changed so that the pixel size image indicated by the button pixel data has the set button size. Then, each pixel data of the resized pixel value image is drawn using the palette set in step 518 for the button state to generate a button image. That is, each pixel data of the pixel value image is converted into the pixel of the button image having the color and the contrast by using the palette set in step 518 for the state of the button. As a result, the button in the selected state is drawn by using the palette set in the selected state in step 518, and the button in the determined state is drawn by using the palette set in the determined state in step 518. The button in the non-selected state is drawn by using the palette set in the non-selected state in step 518. Then, as a result, for example, for the pixel value image shown in FIG. 6a, the button image shown in FIG. 6d is generated. If three selection buttons, a decision button, and a non-selection non-decision button palette are provided for each, for example, the BT of that button
Use a palette in the same order as BTN_COLI # indicated by N_POSI.

Then, in accordance with the button area arrangement determined in step 512, an image in which the button image of the button arrangement area of the base image is replaced with a button image is generated, and the output picture image is updated with this image (step 52).
8). As a result, for the picture-valued image of FIG.
As shown in Figure 6f, button size, button placement,
The output picture image in which the display color of the button and the contrast of the button are changed according to the set size, arrangement, and palette is generated. 6D and 6F correspond to the state in which the button with the number 1 is selected, and the pixel data of this button is such that the frame portion of the button is the emphasized pixel 1 and is not displayed in the unselected palette. This shows a case where the emphasized pixel 1 and the background pixel have the same color and the same contrast, and the emphasized pixel 1 is the emphasized color in the selected palette.

After this, the picture editing unit 126
HLI invalidation (step 534), operation of sub-picture by SP_DCSQT (step 532), and monitoring of button selection / decision state update obtained by notification of button number of button selected / decided by user operation from navigation manager 11 If the button number is notified (step 530), only the button whose selected / determined state has changed (step 536). By performing the processes of step 526 and step 528 to regenerate the button image,
The output picture image is updated by replacing the image in the button area of the output picture image with the generated button image. On the other hand, if there is a sub-picture operation by SP_DCSQT, the processing from step 520 is performed again. And HL
If I is invalidated, HLI notifies the navigation manager 11 of invalidation and returns to step 502. HL
During the valid period of I, the SP_DCSQT normally does not operate the sub-picture. Therefore, if it is premised that the sub-picture is not operated during the HLI valid period, the step 532 may be omitted.

The output picture image generated as described above is sent to the synthesizing control unit 127, synthesized with the decoded moving image, and output to the display device 13. Here, in the combination with the moving image, each pixel is mixed with the pixel of the moving image at the same display position at a mixing ratio indicated by the contrast set for the pixel.

The algorithm of the size of the button area and the layout of the button area on the output picture image will be described below. Although various algorithms can be applied as such an algorithm, for example, as shown in FIG. 7A, for example, as shown in FIG. 7A, a region in which a button region of a button of each button number can be arranged in advance is arranged in advance. Prepare a template that has been set as the placement area for each range of the number of valid buttons, select the template according to the number of buttons, and maintain the size of each button area to maintain the proportion of the button area on the pixel image. However, it is possible to use an algorithm such that the size is set to the maximum size that fits in the candidate area of the selected template and the button area of each button number is arranged in the arrangement area for that button number, for example, by aligning the upper left corner.

Or, for example, as shown in FIG.
The size obtained by enlarging the button area on the pixel image at a predetermined enlargement ratio is taken as the size of the button area on the output picture image of the button, and the button area on each output picture image is the grid in the upper left corner of each button area. So that they line up
Allocation algorithms and the like can also be used.

In any case, it is preferable that the button areas on the output picture image are arranged vertically and horizontally so that the user can switch the selection buttons with the direction keys.
Alternatively, a plurality of algorithms may be prepared so that they can be selected as appropriate depending on the user's settings for the DVD video playback device. Note that the above algorithm is merely an example of an algorithm applicable to the present embodiment, and any algorithm that determines the size and arrangement of the button area is applied so that good visibility and operability of buttons are realized. I don't mind. The embodiment of the data reproducing apparatus according to the present embodiment has been described above. As described above, according to the data reproducing apparatus according to the present embodiment, it is possible to arbitrarily change the display color and contrast for each button size, arrangement, and selected / determined / non-selected / non-determined states. Regardless of the definition of the button, the button can be displayed in a well-visible form and its operation can be accepted. In addition, since the adjacency information indicating the adjacency relationship of the buttons is also updated in accordance with such a change in the button layout, the button selection by the direction keys can be accepted without any trouble. For example, for example,
Even if a small button is defined in the lower right corner as shown in FIG. 8a1, as shown in FIG. 8a2,
It is possible to display each button in a large size in an easily recognizable position with an easily recognizable display attribute, and to accept a button operation of the user on the display. Further, as shown in the figure, the adjacent information is generated so as to match the changed layout, and the navigation manager 11 accepts the button selection by the direction keys using this, so that the user can change the arrangement of the buttons on the display. According to the operation of the directional keys, a desired button can be selected.

According to the present embodiment, for example, the non-visualized button 801 is present by setting the contrast to 0 as shown in FIG. 8b1 or by setting the same display color as the sub-picture. In this case, this button can be visualized and displayed as shown in 802.

By the way, in the above embodiment, the display of the button in each state is prepared by preparing in advance a palette describing the display color and the contrast of each of the selection button, the decision button and the non-selection non-decision button on the output picture image. I changed the color and contrast, but this is because the image of the button pixel data drawn according to the HLI palette, or the image of which the image is resized to the set size, is subjected to predetermined image processing, The display color and contrast may be changed. As the image processing, for example, bright and dark contrast enhancement, addition of a button frame line, increase in brightness, increase in saturation, and the like can be appropriately combined or can be performed independently.

The technique of changing the size, arrangement, and display attribute of the button defined as the image and the area of the image described above is applicable not only to the DVD video playback device but also to the button defined as the image and the area of the image. Is similarly applicable in any system that handles

[0055]

As described above, according to the present invention, the visibility and operability of the button defined as the image area can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a DVD video playback device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a playback structure of a presentation in the DVD-Video standard.

FIG. 3 is a diagram showing a data structure in the DVD-Video standard.

FIG. 4 is a diagram showing a data structure in the DVD-Video standard.

FIG. 5 is a flowchart showing a picture editing process of the DVD video playback device according to the embodiment of the present invention.

FIG. 6 is a diagram showing an operation example of a picture editing process of the DVD video playback device according to the embodiment of the present invention.

FIG. 7 is a diagram showing an example of a button area placement algorithm of the DVD video playback device according to the embodiment of the present invention.

FIG. 8 is a diagram showing an example of a processing result of picture editing processing of the DVD video playback device according to the embodiment of the present invention.

FIG. 9 is a diagram showing a configuration of a screen including buttons in the DVD-Video standard.

[Explanation of symbols]

1: Disc, 10: DVD-ROM driver, 11: Navigation manager, 12: Presentation engine, 13: Display device, 14: Audio output device, 15: Operation unit, 121: Demultiplexer function unit, 122: Audio decoder, 123 : Video decoder, 124: sub-picture decoder, 125: PCI, HLI decoder, 12
6: picture editing unit, 127: synthesis control unit.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04N 5/91 H04N 5/91 N 5/93 5/93 Z F term (reference) 5C052 AA02 AA03 AA04 AB03 AB04 AB05 CC01 CC06 DD04 DD08 EE02 EE03 5C053 FA05 FA14 FA24 GB06 GB12 JA16 JA21 5D044 AB07 BC03 CC06 DE18 DE23 DE24 HL04 5D077 AA23 BB16 HA07 HB01 HC05 HC17 HD03 5E501 AA20 FA03 FA04 FA22 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA03 FA22 FA03 FA03 FA22 FA04 FA03 FA04

Claims (9)

[Claims] 1. An image reproducing apparatus for performing display processing of an image having a partial area defined as a button area, wherein image data defining the image is defined as a button area of the image. And an image displaying an image according to the image data edited by the editing unit, and an editing unit that edits the size or arrangement or display attribute of the image portion in the partial area different from the one defined by the image data. An image reproducing apparatus comprising: a display unit and a button operation receiving unit that receives an operation of the button from a user. 2. The image reproducing apparatus according to claim 1, wherein the editing means is an image portion within a partial area defined as a button area of the image with respect to the image data defining the image. The image reproducing apparatus is characterized in that the display attribute of (1) is edited to be different from that specified by the image data, and the display attribute includes at least one of display color and transparency. 3. A DVD video reproducing apparatus for reproducing a DVD-Video disc, comprising sub-picture reproducing means for reproducing a sub-picture recorded on the DVD-Video disc, and reproducing a video recorded on the DVD-Video disc. Video reproduction means and composite display means for combining and displaying the video and sub-pictures, and the sub-picture reproduction means includes pixel data (SPU) pixel data (SPU) recorded on a DVD-Video disc. Of the display patterns in the sub-picture specified by PXD), the relative size of the display pattern in the button area defined by the highlight information (HLI) recorded on the DVD-Video disc to the sub-picture is An image whose size is determined according to a predetermined rule without depending only on the size specified by the pixel data of the picture is referred to as the sub-picture. DVD characterized by being generated by
Video playback device. 4. A DVD video reproducing apparatus for reproducing a DVD-Video disc, comprising sub-picture reproducing means for reproducing a sub-picture recorded on the DVD-Video disc, and reproducing a video recorded on the DVD-Video disc. Video reproduction means and composite display means for combining and displaying the video and sub-pictures, and the sub-picture reproduction means includes pixel data (SPU) pixel data (SPU) recorded on a DVD-Video disc. Of the display patterns in the sub-picture specified by PXD), the arrangement in the sub-picture of the display pattern in the button area defined by the highlight information (HLI) recorded on the DVD-Video disc is A feature is that an image having an arrangement determined according to a predetermined rule is generated as the sub-picture without depending only on the arrangement specified by the pixel data. DVD video playback apparatus according to. 5. A DVD video reproducing apparatus for reproducing a DVD-Video disc, comprising sub-picture reproducing means for reproducing a sub-picture recorded on the DVD-Video disc, and reproducing a video recorded on the DVD-Video disc. Video reproduction means and composite display means for combining and displaying the video and sub-pictures, and the sub-picture reproduction means includes pixel data (SPU) pixel data (SPU) recorded on a DVD-Video disc. Sub-picture display control for pixels in the button area defined by the highlight information (HLI) recorded on the DVD-Video disc that is not selected / decided in the PXD). The drawing is performed so that it is displayed with a display attribute determined according to a predetermined rule without depending only on the display attribute value specified by the sequence table (SP_DCSQT). DVD video playback apparatus characterized by generating a Bupikucha. 6. A DVD-Video reproducing apparatus for reproducing a DVD-Video disc, comprising sub-picture reproducing means for reproducing a sub-picture recorded on the DVD-Video disc, and a DVD-Vide.
o It has a video reproducing means for reproducing the video recorded on the disc, and a composite display means for combining and displaying the video and the sub-picture, and the sub-picture reproducing means is a DV.
Sub-picture unit (S
Of the pixel data (PXD) of the PU), the pixel in the button area corresponding to the selected or determined button is the button area defined by the highlight information (HLI) recorded on the DVD-Video disc. A DVD video playback device, characterized in that the sub-picture is generated by drawing so as to be displayed with a display attribute determined according to a predetermined rule without depending only on a display attribute value defined by the highlight information. 7. The DVD video reproducing apparatus according to claim 5, wherein the display attribute is a display color of a pixel of an image in the button area and an image in the button area in combination by the combining and displaying means. A DVD video playback device characterized in that it is at least one of a pixel and a video mixing ratio. 8. A DVD video reproducing device for reproducing a DVD-Video disc, comprising sub-picture reproducing means for reproducing a sub-picture recorded on the DVD-Video disc, and a DVD-Vide.
o Video playback means for playing the video recorded on the disc, composite display means for synthesizing and displaying the video and sub-picture, and adjacency information that defines the adjacency of the buttons on the display in the vertical and horizontal directions. A sub-picture reproduction means for switching the selection button to a button adjacent to the selection button which is the selected button in the direction instructed by the user according to the direction instruction of the user. -A button defined by the highlight information (HLI) recorded on the DVD-Video disc among the display patterns in the sub-picture specified by the pixel data (PXD) of the sub-picture unit (SPU) recorded on the Video disc. Button image enlarging means for enlarging the size of the display pattern in the area relative to the sub-picture to a size determined according to a predetermined rule. A button image arranging unit that generates an image in which the enlarged button images are arranged according to a predetermined rule as the sub-picture; and the adjacency information is generated so as to match the arrangement of the button image arranging unit. A DVD video reproducing apparatus having adjacent adjacency information generating means. 9. A button display control method for improving the visibility of the button in an image reproducing apparatus for displaying an image having a partial area defined as a button area, wherein the image is defined. A step of editing the image data so that the size or the arrangement or the display color of the image portion in the partial area defined as the button area of the image is different from that specified by the image data;
A button display control method comprising: a step of displaying an image according to the edited image data; and a step of receiving an operation of the button from a user.