JP2007124047A - Display control apparatus and display control method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To accept selection of a reproduction start position while providing information about the reproduction start position registered in stream data to a user. <P>SOLUTION: A selection screen generator 7 generates a list display screen and a forwarding display screen as a screen of file selection. If a bookmark is registered in a motion image file, the list display screen 37 continuously displays a motion image file thumbnail image 15 and bookmark thumbnail images 16-18. The motion image thumbnail image 15 can be visually discriminated from the bookmark thumbnail images 16-18 based on the size of the thumbnail image 15 and the presence or absence of horizontal lines 28-31. Further, the forwarding display screen 38 displays still images of a file while forwarding them one by one. When the bookmark is registered in the file, still images for recollecting the bookmark are continuously displayed one by one subsequently to a still image indicating the head of the file. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display control apparatus having a function of selecting a reproduction start position of stream data and a display control method of selecting a reproduction start position of stream data.

  2. Description of the Related Art Conventionally, there is a disk playback device that registers a bookmark in a moving image file recorded on a disk and starts playback from the position where the bookmark is registered. When a marker key is operated during playback of a moving image, this disc playback device registers the address of the disc being played back at that time as a bookmark, and when the marker key is operated when the disc is not being played back, The still images registered as thumbnail images are displayed side by side as thumbnail images, and the marker No. corresponding to the displayed thumbnail image is displayed. Is selected, the selected marker No. The reproduction of the disc is started from the address corresponding to (for example, Patent Document 1).

JP 2004-280940 A

  In the invention described in Patent Document 1, when a bookmark is selected, a marker display portion that is a menu screen is displayed, and the bookmark can be selected on the marker display portion. On this menu screen, still images of addresses registered as bookmarks are arranged, and the position where the bookmark is registered can be imagined from the still image.

  However, in Patent Document 1, before selecting a bookmark, a dedicated menu screen for selecting a bookmark must be displayed. This menu screen only displays a still image when a bookmark is registered, and does not describe information on which file each bookmark is attached to and where reproduction starts from the file.

  The present invention has been made in view of the above-described problems, and provides a display control device and a display control method for receiving selection of a reproduction start position while providing information regarding a reproduction start position registered in stream data to a user. The purpose is to do.

  In order to solve the above-described problem, when a stream file in which a bookmark is registered is input, the display control device to which the present invention is applied includes an image that recalls the stream file and an image that recalls the position in which the bookmark is registered. Generate selection screens arranged sequentially.

  The display control method to which the present invention is applied inputs a stream file in which a bookmark is registered, and continuously arranges an image that recalls the stream file and an image that recalls the position in which the bookmark of the stream file is registered. Generates a selection screen. When an image that recalls a stream file is selected on the selection screen, playback starts from the beginning of the stream file, and when an image that recalls the position where the bookmark is registered is selected, it corresponds to the bookmark. Cue playback of the stream file is started from the playback start position.

  According to the present invention, by sequentially arranging an image that recalls a stream file and an image that recalls the position at which the bookmark of the stream file is registered, different selection targets such as the stream file and the bookmark of the file can be seamlessly arranged. Can be selected.

  In addition, by arranging images that recall video files, images that recall still image files, images that recall audio files, and images that recall text files, you can seamlessly select search targets of different file types. be able to.

  Furthermore, by displaying a plurality of images in parallel on one selection screen, different selection targets can be selected on one selection screen without switching the screen.

  In addition, on the feed display screen, an image reminiscent of the stream file and an image reminiscent of the position where the bookmark is registered are sequentially displayed one by one. According to the present invention, since different search targets such as a file and a bookmark are displayed in the same procedure, the operability can be improved without making the user aware of the difference between the search targets.

  A playback apparatus to which the present invention is applied will be described below with reference to the drawings. FIG. 1 shows the configuration of the playback apparatus 1. The playback device 1 includes an HDD (Hard Disk Drive) 2 that records data, a memory 3 that is a temporary data storage area, a decompression processing unit 4 that decompresses a file recorded in the HDD 2 and converts the file into a playback signal, Display unit 5 that outputs as a video, speaker 6 that outputs a reproduction signal as audio, selection screen generation unit 7 that generates a selection screen for a reproduction start position, feed button 8 that instructs the reproduction start position to be sent, and return of the reproduction start position A return button 9 for instructing playback, a playback button 10 for instructing playback start, and a control unit 11 for controlling the entire playback device 1.

  As shown in FIG. 2, the HDD 2 has a file recording area 13 for recording moving image files, still image files, and the like, and an index file recording for recording an index file that is management information for the files recorded in the file recording area 13. The area 12 is divided.

  The index file recording area 12 stores an index file. The index file describes a folder structure, file attribute information, bookmark time information, file thumbnail images, and the like. With the index file, different types of files such as moving image files, still image files, and audio files can be managed in an integrated manner.

  When the file read from the HDD 2 is compressed by a predetermined compression method such as MPEG, the expansion processing unit 4 expands the compressed file by a predetermined method. The display unit 5 displays the reproduction signal accumulated in the memory 3 as an image, and the speaker 6 outputs the reproduction signal accumulated in the memory 3 as sound.

  The selection screen generation unit 7 generates a playback start position selection screen. In the present embodiment, a list display screen and a feed display screen are generated as selection screens.

  A plurality of thumbnail images are arranged on the list display screen. This thumbnail image mainly includes a thumbnail image that recalls the contents of the file, such as the top image of the file (thumbnail image for moving image file), and a thumbnail image that is a reduced still image when the bookmark is registered (thumbnail image for bookmark) ) And thumbnail images (still image file thumbnail images) that are reduced images of the still image file. Although not illustrated in the present embodiment, thumbnail images that recall text files and thumbnail images that recall audio files may be displayed on the list display screen.

  When a thumbnail image is selected on the list display screen, a file corresponding to the thumbnail image is reproduced. FIG. 3 shows an example of the list display screen. On the list display screen 14 shown in FIG. 3, nine thumbnail images 15 to 23 of 3 × 3 are displayed. On the left side of the list display screen 14, the date 24 when the file was created is displayed. Further, on the right side of the list display screen 14, a scroll bar 25 indicating the position of the file currently displayed on the list display screen 14 with respect to the total file amount is displayed.

  A thumbnail image 15 arranged at the left end of the upper row is a thumbnail image for a moving image file. In this thumbnail image 15, a check symbol 52 indicating that a bookmark has been registered in the file and a symbol 27 indicating that the file type is a moving image are displayed. After the thumbnail image 15, bookmark thumbnail images 16 to 18 are displayed. The bookmark thumbnail images 16 to 18 are smaller than the moving image file thumbnail image 16 and are connected by horizontal lines 28 to 31. On the list display screen, the moving image file thumbnail image 15 and the bookmark thumbnail images 16 to 18 are visually distinguished according to the size of the thumbnail image and the presence or absence of a horizontal line.

  In addition, “GP” symbols 26 a to 26 d are displayed on the upper left of the thumbnail images 15 to 18. The “GP” symbol 26 is a character display indicating that the four thumbnail images relate to one moving image file, and distinguishes the thumbnail image for bookmark not only in the image size and horizontal lines 28 to 31 but also in the character display.

  A thumbnail image 19 arranged at the center of the second row is a thumbnail image of a still image file. In the thumbnail image 19, a symbol 32 indicating that the file type is a still image is displayed. The thumbnail image 20 arranged at the right end of the second row is a thumbnail image for a moving image file. In the thumbnail image 20, a symbol 33 indicating that it is a moving image is displayed.

  The thumbnail images 21 and 22 arranged at the left end and the middle of the third row are thumbnail images for still image files. These thumbnail images 21 and 22 display symbols 34 and 35 indicating that they are still image files. A thumbnail image 23 arranged at the right end of the third row is a thumbnail image for a moving image file. In the thumbnail image 23, a symbol 36 indicating that the file type is a moving image is displayed.

  When a thumbnail image is selected on the list display screen, a playback screen is displayed. An image corresponding to the selected thumbnail image is displayed on the playback screen. Specifically, when a thumbnail image for a moving image file is selected, the beginning of the moving image file is displayed on the playback screen, and when a thumbnail image for bookmark is selected, the playback screen is displayed from the position where the bookmark is registered. indicate. When a thumbnail image for a still image file is selected, the still image file is displayed on the playback screen.

  FIG. 4 shows an example of a reproduction screen when a bookmark thumbnail image is selected. The playback screen 37 in FIG. 4 is a playback screen when the bookmark is set as the playback start position. In the upper part of the playback screen 37, a symbol 38 indicating that the file is a moving image file and a “bookmark” symbol 39 indicating that the bookmark is set as the playback start position are displayed in order from the left. In addition, a slide bar 40 indicating the position of the bookmark with respect to the playback time of the entire file is displayed at the bottom of the playback screen 37, and the shooting date / time 41 of the file is displayed below the slide bar 40. On the slide bar 40, a mark M indicating the reproduction time of the currently selected bookmark is displayed. Also, on the slide bar 40, marks m1 and m2 indicating the playback time of other bookmarks are displayed.

  On the list display screen 37 to which the present invention is applied, thumbnail images of different types of files such as moving image files and still image files and bookmark thumbnail images registered in the moving image file are simultaneously displayed.

  In each thumbnail image, a symbol indicating whether the file type is a moving image file or a still image file, a symbol indicating whether or not a bookmark is registered in the file, and the like are displayed in an overlapping manner.

  Since the list display screen 37 simultaneously displays different types of files and bookmarks linked to the files, the files can be selected seamlessly without switching the selection screen.

  Next, the configuration of the feed display screen will be described with reference to FIG. On the feed display screen 42, still images are displayed while being sent one by one. On the feed display screen 42, still images of files are displayed in order. When bookmarks are registered in the file, one still image is displayed in order of bookmark registration time.

  On the feed display screen 42, a symbol indicating the file type, a symbol indicating that the bookmark is a still image, a bookmark reproduction start time, and the like are displayed in an overlapping manner. The user instructs the reproduction of the file while confirming the visual information.

  FIG. 5 is an example of the screen flow of the feed display screen. The forward display screen 42a in FIG. 5A is the top image of the moving image file. A “GP” symbol 62a indicating that a bookmark is registered and a symbol 63a indicating that it is a moving image file are displayed at the top of the feed display screen 61a. The shooting date and time 64a of the file is displayed at the bottom of the file. When the feed button 8 is pressed in a state where FIG. 5A is displayed, a feed display screen shown in FIG. 5B is displayed.

  On the feed display screen 61b shown in FIG. 5B, a still image at the position where the top bookmark is registered is displayed. On the feed display screen 61b, a slide bar 65b is displayed so as to overlap the still image. The slide bar 65b indicates the bookmark reproduction start time with respect to the entire file time. In addition, the “GP” symbol 62b indicating that a bookmark is registered, the symbol 63b indicating that it is a moving image file, and the shooting date and time of the file are displayed on the feed display screen shown in FIG. . When the feed button 8 is pressed while the feed display screen 61b shown in FIG. 5B is displayed, a feed display screen 61c shown in FIG. 5C is displayed.

  On the feed display screen 61c, a still image at the position where the second bookmark is registered is displayed. In the feed screen 61c shown in FIG. 5C, the slide bar 65c is superimposed on the still image, the “GP” symbol 62c indicating that the bookmark is registered, the symbol 63c indicating that the file is a moving image file, The shooting date and time 64c is displayed. When the feed button 8 is pressed while the feed display screen 61c shown in FIG. 5C is displayed, a feed display screen 61d shown in FIG. 5D is displayed.

  On the feed display screen 61d, a still image at the position where the third bookmark is registered is displayed. On the forward display screen 61d shown in FIG. 5D, a slide bar 65d is superimposed on the still image, a “GP” symbol 62d indicating that a bookmark is registered, a symbol 63d indicating that it is a moving image file, a file The shooting date and time 64d is displayed. When the feed button 8 is pressed while the feed display screen 61d shown in FIG. 5D is displayed, a feed display screen 61e shown in FIG. 5E is displayed.

  On the four feed display screens shown in FIGS. 5A to 5D, four playback start positions registered in one file can be selected. The feed display screen is displayed according to the time order of the playback start position. The slide bar mark M and the shooting date and time 64 also change according to the time of the playback start position.

  On the feed display screen 61e shown in FIG. 5E, a still image of the next file is displayed. The feed display screen 61e displays a symbol 63e indicating that the file is a moving image file and a shooting date and time 64e of the file.

  On the feed display screen 61, files and bookmarks are displayed in order of playback start time without distinction, so that the user can easily search. Further, on the feed display screen 61, the file type, the presence / absence of a bookmark, the reproduction date and time, etc. can be visually recognized. A slide bar 65 indicating the position of the bookmark is also provided.

  Next, the operation of the selection screen generation unit 7 will be described. Here, the structure of the index file will be described prior to the description of the selection screen generation unit 7. The index file describes the folder structure, file attributes, bookmark start position, and the like.

  FIG. 6 shows a specific configuration of the index file 43. The index file 43 is composed of a property file 44 and a thumbnail file 45. The thumbnail file 45 stores a file header 46 and a thumbnail image 47.

  The property file 44 stores a file header 48, folder information 49, file information 50, and bookmark information 51. The folder information 49, file information 50, and bookmark information 51 are assigned index numbers for uniquely identifying the information. In the index file 43, related linking is performed using the index number.

  The folder information 49 describes the index number of the folder itself, and the index numbers for the files and folders belonging to the folder.

  The file information 50 describes the index number of the file itself, the file type, the file creation date and time, the index number of the thumbnail image 47 linked to the file, and the index number of the bookmark information 51 linked to the file. .

  FIG. 7 is a flowchart showing a procedure for generating a link display screen. The selection screen generation unit 7 reads the index file 43 in step S1. In step S <b> 2, the selection screen generation unit 7 reads the file information 50 linked to the folder information 49 of the index file 43 and reads the thumbnail image 47 linked to the file information 50. The selection screen generation unit 7 reads the bookmark information 51 linked to the file information 50 in step S3, and reads the thumbnail image 47 linked to the file information 50 in step S4.

  With reference to FIG. 8, the process of step S2-step S4 is demonstrated concretely. At the top of the property file 44 in FIG. 8, folder information 49 with an index number “0001” is described. In the folder information 49, file information 54a with an index number “0002” and file information 54b with an index number “0003” are linked as belonging files.

  The file information 54a with the index number “0002” is linked to the image file with the image file number “0001” and the thumbnail image 47a with the index number “0001”. The file 50b with the index number “0003” includes the image file with the image file number “0002”, bookmark information 51a, 51b, 51c with the index numbers “0004”, “0005”, and “0006”, and the index number “0002”. Are linked to each other.

  The thumbnail information 47c of the index number “0003” is linked to the bookmark information 51a of the index number “0004” linked to the file information 50b, and the index number is stored in the bookmark information 51b of the index number “0005”. The thumbnail image 47d of “0004” is linked, and the thumbnail image 47e of the index number “0005” is linked to the bookmark information 51c of the index number “0006”. The selection screen generation unit 7 reads information related to the file according to this link.

  In step S5, the selection screen generating unit 7 rearranges the read bookmark information 51 in the order of time information. In step S6, the selection screen generation unit 7 generates a link display screen by arranging the thumbnail image 47 of the file and the thumbnail image 47 of the bookmark in order of the reproduction start time.

  In step S 7, when the user selects a predetermined thumbnail image 47, the selection screen generation unit 7 moves to step S 8 and displays a playback screen corresponding to the thumbnail image 47. In step S9, the selection screen generation unit 7 starts playback from the playback start position corresponding to the selected thumbnail image 47.

  FIG. 9 is a flowchart showing a procedure for generating the feed display screen 61. The selection screen generation unit 7 reads the index file 43 in step S11. In step S12, the selection screen generation unit 7 reads the file information 54 linked to the folder information 49 of the index file 43. The selection screen generation unit 7 reads the bookmark information 51 linked to the file information 54 in step S13, and the thumbnail image 47 linked to the file information 54 and the thumbnail image linked to the bookmark information 51 in step S14. 47 is read out. Since the process of the selection screen generation unit 7 in steps S12 to S14 is the same as the process of steps S2 to S4 when the list display screen 14 is generated, the description thereof is omitted.

  In step S15, the selection screen generator 7 rearranges the bookmark information 51 in the order of time information. And the selection screen production | generation part 7 displays the feed display screen 42 on the display part 5 in step S16.

  When the feed button 8 is pressed in step S17, the selection screen generating unit 7 moves to step S18 and displays the next feed display screen 42 on the display unit 5. Here, the feed display screen 61 is a still image of a file or a bookmark still image of a previously displayed file. When the still image of the bookmark is displayed, a scroll bar 42 indicating the reproduction start position of the bookmark is displayed. The selection screen generation unit 7 displays the next feed display screen 61 each time the feed button 8 is pressed. On the other hand, when the return button 9 is pressed in step S19, the selection screen generating unit 7 moves to step S20 and causes the display unit 5 to display the previous feed display screen 61.

  When the play button 10 is selected in step S21, the selection screen generating unit 7 moves to step S22 and plays the file corresponding to the selected feed display screen 61. At this time, when the selected feed display screen 61 corresponds to a bookmark, the bookmark is reproduced from the reproduction start position.

  As described above, the playback apparatus 1 to which the present invention is applied generates the list display screen 14 and the feed display screen 61 as screens for selecting the playback start position. Since both the thumbnail image 47 of the file and the thumbnail image 47 of the bookmark are displayed on the list display screen 14, it is possible to seamlessly select the reproduction start at the beginning of the file and the reproduction start at the bookmark.

  On the feed display screen 61, the still image of the file and the still image of the bookmark are arranged in order and displayed while being sent one after another. On the feed display screen, files and bookmarks can be searched with the same operation without distinction.

  In the present embodiment, the playback apparatus 1 has been described as an example. However, the present invention can be applied to any electronic device having a file playback function. The index file may be a management file that can register a bookmark.

  In the above embodiment, an example in which a bookmark of a moving image file is registered has been described. However, the present invention can be applied to stream data such as an audio file, not a moving image file.

It is a block diagram which shows the structure of a reproducing | regenerating apparatus. It is a schematic diagram which shows the structure of HDD. It is a schematic diagram which shows the structure of a list display screen. It is a schematic diagram which shows the structure of a reproduction | regeneration screen. It is a screen flow of a feed display screen. It is a schematic diagram which shows the structure of an index file. It is a flowchart which shows the production | generation procedure of a list display screen. It is the conceptual diagram which visualized the link with folder information, file information, and bookmark information. It is a flowchart which shows the production | generation procedure of a feed display screen.

Explanation of symbols

1 playback device, 2 HDD, 3 memory, 4 decompression processing unit, 5 display unit, 6 speaker, 7 selection screen generation unit, 14 list display screen, 15-36 thumbnail image, 28-30 horizontal line, 37 playback display screen, 40 Slide bar, 42 Feed display screen, 46 Slide bar, 43 Index file, 45 Thumbnail file, 47 Thumbnail image, 49 Folder information, 50 file information, 51 Bookmark information

Claims (9)

When a stream file in which a bookmark is registered is input, a selection screen generation unit is provided that generates a selection screen in which an image that recalls the stream file and an image that recalls the position in which the bookmark is registered are sequentially arranged. A display control device. The selection screen generation unit starts playback from the beginning of the stream file when an image reminiscent of the stream file is selected on the selection screen, and recalls the position where the bookmark is registered on the selection screen 2. The display control apparatus according to claim 1, wherein when C is selected, cue playback of the stream file is started with a position where the bookmark is registered as a playback start position.   The selection screen generation unit arranges an image that recalls a moving image file, an image that recalls a still image file, an image that recalls an audio file, and an image that recalls a text file on the selection screen. The display control apparatus according to 1.   The display control apparatus according to claim 1, wherein the selection screen generation unit displays a figure indicating a reproduction start position of a bookmark registered in the stream file so as to overlap the image.   The display control apparatus according to claim 1, wherein the selection screen generation unit generates a list display screen in which a plurality of images are displayed in parallel on one selection screen.   The selection screen generation unit displays, on the list display screen, an image that recalls the stream file and an image that recalls a position where a bookmark of the stream file is registered in different sizes. The display control apparatus described.   The selection image generation unit generates a feed display screen for sequentially sending and displaying an image reminiscent of the stream file and an image reminiscent of a position where a bookmark of the stream file is registered. Item 4. The display control device according to Item 1.   The selection image generation unit acquires bookmark information from an index file in which file information describing a file attribute and bookmark information describing a reproduction start position of the file are linked by an index. The display control apparatus described. An input process for inputting a stream file in which bookmarks are registered;
A selection screen generation step of generating a selection screen in which an image reminiscent of the stream file and an image reminiscent of the position where the bookmark of the stream file is registered are arranged;
When an image that recalls the stream file is selected on the selection screen, playback starts from the beginning of the stream file, and when an image that recalls the position where the bookmark is registered is selected on the selection screen, And a playback start step of starting cue playback of the stream file from the playback start position corresponding to the bookmark.

Images