CN100555438C - Recording medium and record and reproducting method and device with the data structure that is used to manage text subtitle - Google Patents
Recording medium and record and reproducting method and device with the data structure that is used to manage text subtitle Download PDFInfo
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Abstract
In the data structure that is used for managing text subtitle, dialog presentation segment is included in the text subtitle data that presents each text subtitle that presents in the time slot.The presentative time that dialog presentation segment provides definition to present time slot stabs the start time and presentative time stabs the concluding time so that this present time slot not can with another dialog presentation segment to present time slot overlapping.
Description
Technical field
The present invention relates to such as read-only Blu-ray disc high density recording mediums such as (BD-ROM).
Background technology
CD is widely used as optical record medium.Recently, among various CDs, a kind ofly be used to write down and store the video of a large amount of high definition and the novel high-density optical record medium (HD-DVD) of voice data, in the middle of developing such as Blu-ray disc (hereinafter referred to as " BD ").At present, as a kind of storable data volume optical recording scheme of future generation that surpasses present DVD far away, in the middle of the global standard technical specification of HD-DVD technology-Blu-ray disc of future generation (BD) is being set up.
Relevant therewith, the exploitation of the optical reproducing apparatus of Blu-ray disc (BD) standard also starts.But Blu-ray disc (BD) standard is not finished as yet, and it is very difficult to develop complete optical reproducing apparatus.
Especially, for reproducing data effectively from Blu-ray disc (BD), as replenishing of main AV data, can reproduce such as various other data relevant such as supplemental data or supplementary data (interactive graphics data, caption data etc.) to provide convenience for the user with main AV stream.Thus, should provide management information to manage the reproduction of master data and supplementary data.But, in present Blu-ray disc (BD) standard because manage various data especially the unified standard of supplementary data do not finish as yet, so in the exploitation of Blu-ray disc (BD) optical reproducing apparatus, a lot of restrictions is just arranged.
Opening of invention shown
Recording medium according to the present invention comprises the data structure of the reproduction that is used to manage text subtitle.
In one embodiment, this recorded medium stores dialog presentation segment, it comprises the text subtitle data that presents each text subtitle that presents in the time slot.The presentative time that dialog presentation segment provides definition to present time slot stabs the start time and presentative time stabs the concluding time so that present time slot not can with another dialog presentation segment to present time slot overlapping.
In one embodiment, dialog presentation segment defines several zones, and each zone all provides text subtitle data.Text subtitle data can be a kind of in text string and the pattern data.
In another embodiment, dialog presentation segment is with reference to each regional region style, and the position and the size of the region style defined range of institute's reference.
In yet another embodiment, dialog presentation segment comprises the continuous presentation information in each zone, and it indicates whether to want, and a dialog presentation segment successively reproducing should the zone in the past.In this embodiment, when the continuous presentation information in the zone in the dialog presentation segment was indicated successively reproducing, the presentative time of dialog presentation segment stabbed the dialogue presentative time stamp concluding time that the start time equals last dialog presentation segment.
In another embodiment, recorded medium stores text subtitle stream.Text subtitle stream comprises dialog style segment, and one or more dialog presentation segment are followed in the back.Dialog style segment defines one or more patterns.Each dialog presentation segment is included in the text subtitle data that presents each text subtitle that presents in the time slot, and each dialog presentation segment is with reference at least a pattern in the dialog style segment.
The present invention also is provided for writing down and reproduces apparatus and method according to data structure of the present invention.
The accompanying drawing summary
Comprise that accompanying drawing is for providing the present invention further to be understood, they are included and are constituted the part of this application, and accompanying drawing shows embodiments of the invention, and they play the effect of explaining principle of the present invention with instructions.In the accompanying drawings:
Fig. 1 illustrates the file structure that is used for the various data on the management dish according to exemplary embodiment of the present invention;
Fig. 2 illustrates the exemplary embodiment of coiling according to BD-ROM of the present invention;
Fig. 3 is the synoptic diagram of the image of the text subtitle stream that shows on display screen according to an embodiment of the invention;
Fig. 4 illustrates the data structure and the method for reproduction according to an embodiment of the invention/management text subtitle;
Fig. 5 A illustrates the text subtitle playback management information that is recorded in the text subtitle according to of the present invention to 5C, has wherein explained dialog information, area information and style information (Style Info) respectively;
Fig. 6 A and Fig. 6 B illustrate data structure and the method for using dialogue, zone and style information that text subtitle is provided as text subtitles;
Fig. 7 is the synoptic diagram of text subtitle stream files structure according to an embodiment of the invention;
Fig. 8, Fig. 9 A-9C are the synoptic diagram of the data structure sentence structure of text subtitle stream according to an embodiment of the invention to Figure 10 A-10C; And
Figure 11 is the block diagram of optic recording/reproducing device according to an embodiment of the invention.
Realize optimal mode of the present invention
Now will be in detail with reference to the preferred embodiments of the present invention, its example is shown in the drawings.Under possible situation, will use identical Reference numeral to represent same or analogous part in institute's drawings attached.
Although employed word is selected from widely used general word among the present invention, these are words that the applicant selects according to the meaning of oneself, and the concrete meaning of these words is described in the relevant portion of instructions of the present invention.Thus, the present invention should understand according to the meaning of the word that is provided in open.With regard to term related to the present invention, ' master data ' is to be recorded in information (for example, heading message) in the recording medium (for example, CD) such as offered user's voice and voice data etc. by the author.' master data ' general record is the MPEG2 form, and can be called as ' main AV stream '.
' auxiliary or supplementary data ' be associated with ' master data ', and playback for the convenience of the user ' master data ' and the data that provide.For example, but supplementary data comprises caption information, interactive graphic stream, presents graphical stream, the auxiliary audio frequency data of acoustic information browsable slide shows etc.According to the feature of corresponding auxiliary data, ' auxiliary data ' can be registered as MPEG2 form and multiplexed with main AV stream, maybe can be registered as the MPEG2 form that is independent of main AV stream or the stream file of other form.
' captions ' as auxiliary data are a kind of caption information.The user that ' captions ' are meant at the video (main AV data) of the explanatory note with language-specific of wanting to watch current broadcast selects the information that shows in screen one side under the situation of the captions of this language-specific in the captions that recording medium supports.Therefore, ' captions ' can provide in various manners.Particularly, ' captions ' that are recorded as text data are ' text subtitles '.
In following exemplary embodiment of the present invention, ' text subtitle ' is configured to the MPEG2 form, and is recorded as for example being independent of the stream file of ' master data '.
Describe in detail with reference to Fig. 1 and 2 and to be used for record master data and the form of supplementary data and the file structure that is used to manage these data on such as recording mediums such as BD dishes.
Fig. 1 illustrates the file structure that is used for the various data on the management dish according to one exemplary embodiment of the present invention.As shown in the figure, there is at least one BD catalogue BDMV down in a root directory.In BD catalogue BDMV, comprise that index file index.bdmv and obj ect file MovieObject.bdmv are as mutual general file (topmost paper) information of guaranteeing with the user.In addition, also comprise playlist directory PLAYLIST, clip information directory CLIPINF, stream catalogue STREAM and auxiliary data directory AUXDATA among the BD catalogue BMDV.
The file that is recorded in being called in the dish video of ' main AV stream ' and audio stream according to specific format with such as auxiliary flows such as text subtitle (hereinafter referred to as text subtitle stream) independent existence in stream catalogue STREAM.Because text subtitle stream files and AV stream file are registered as MPEG2 form (for example, MPEG2 transmits grouping), so the extension name of each stream file is used " * .m2ts " (for example, 01000.m2ts, 02000.m2ts and 10001.m2ts).Perhaps, ' * .txtst ' is as file extension, because text subtitle stream has and the different auxiliary data feature of for example main AV stream in use in the situation of text subtitle stream files.
In the BD standard, AV stream can be described as clip stream file.For the present invention, text subtitle data will exist with the form of the individual files that is independent of the AV stream file.For example in Fig. 1, text subtitle data is as text subtitle stream files 10001.m2ts or 10001.txtst and exist.Clipinfo (or clip information) catalogue CLIPINF comprises that each all has the clip information file * .clpi of one-to-one relationship with a stream file.Clip information file * .clpi has the attribute information and the timing information of respective streams file, and plays the effect of management document.More specifically, the information in the clip information file comprises the map information of the source packet number (SPN) of the source grouping that makes presentative time stamp (PTS) can be mapped to the respective streams file.This mapping is called as entrance mapping or " EP mapping ".
Stream file and corresponding clip information file can be collectively referred to as " montage ".Thus, file among the clip information directory CLIPINF " 01000.clpi " has attribute information and the timing information about the file " 01000.m2ts " among the stream catalogue STREAM, and file " 01000.clpi " and montage of " 01000.m2ts " formation.
Playlist directory PLAYLIST comprises play list file * .mpls, they each have at least one broadcast of specifying specific clips playitems playitem PlayItem at interval.Playitems playitem PlayItem comprises the play start time In-Time of the employed specific clips of playback and the timing information of broadcast concluding time Out-Time, and by in the Clip_Information_File_name field, providing the clip information file name to identify montage.Use the PTS information among In-Time and the Out-Time, the EP mapping of the clip information file of being named will allow the specific stream address of search and acquisition respective streams file or position, and (for example, SPN), thereby the reproduction of playitems playitem causes the reproduction of montage.
Play list file * .mpls plays the effect of basic management file, and it plays required montage by at least one playitems playitem PlayItem is provided.In addition, play list file * .mpls also can be provided for managing for example secondary playitems playitem SubPlayItem of the reproduction of supplementary data, and wherein supplementary data can be reproduced with playitems playitem PlayItem synchronous or asynchronously.For example, in the situation that comprises the SubPlayItem that is used for the playback text subtitle, with corresponding SubPlayItem and PlayItem playback of data synchronously.But, but in the situation of the SubPlayItem that comprises the voice data that is used for the playback browsable slide shows, that corresponding SubPlayItem and PlayItem is not synchronous.
In the present invention, comprise that the auxiliary data of text subtitle is by for example will managing at the SubPlayItem of following detailed explanation.
Auxiliary data directory AUXDATA is the district that is used for writing down separately the used auxiliary data file of playback.For example, for the audio files Sound.bmdv that supports more user-friendly playback, wherein write down to be used to provide click sound, the font file * .font that cooperates the text subtitle playback use or * .otf etc.
Thus, as a kind of auxiliary data, text subtitle stream 10001.m2ts can be recorded among the auxiliary data directory AUXDATA.
In addition, in above-mentioned BD catalogue BDMV, index file index.bdmv and obj ect file MovieObject.bdmv are as being used to guarantee to exist with user's mutual general file.Index file index.bdmv has concordance list, and it provides can be for the menu information and the heading message of user's selection.MovieObject.bdmv provides the navigation command that for example is used to carry out playlist, and can call from the selection of making concordance list.
As shown in Figure 2, coiling of BD-ROM is organized as file system information area, database community He Liu district.File system information area stores is used for the system information of management dish.Database community comprises general files area and playlist and clip information area.General files area stores is such as general files such as index.bdmv file and MovieObject.bdmv files.Playlist and clip information area stores PLAYLIST catalogue and CLIPINF catalogue.Master data and supplementary data (STREAM and AUXDATA catalogue) are recorded in the stream district.In view of the above, transcriber need to determine the master data and the supplementary data of reproduction by the flow management information in fileinfo in the use database community and/or the stream district.
Therefore, via the flow management information in the fileinfo in the database community and/or stream file district (the stream district), master data and auxiliary data and reproducting method thereof that user's decision will be reproduced.
Use description to manage the management information data structure of the reproduction of text subtitle in the following description, and will describe and use the management information that is write down to write down method with playback management information and text subtitle.
Text subtitle data is shown Fig. 3 according to one embodiment of present invention and master data is simultaneously displayed on the display screen, and wherein text subtitle is synchronous with master data in time.
Fig. 4 illustrates data structure and the method that is used to reproduce/manage text subtitle according to an embodiment of the invention.As shown in the figure, exist at least one to be used to reproduce/manage the playitems playitem of main AV montage in a play list file.When the text subtitle that is associated with main AV data existed, text subtitle was managed by secondary playitems playitem.More specifically, single secondary playitems playitem is managed a plurality of text subtitle clip.In view of the above, secondary playitems playitem provides single, identical broadcast (for example, In-Time and Out-Time) at interval for each montage.
For example, text subtitle clip 2 individualisms of Ying Wen text subtitle clip 1 and Korean.Corresponding text subtitle clip 1 and montage 2 in time with main AV data sync, and will show on screen with main AV data at the presentative time that requires.In order to reproduce text subtitle, the information that the time, position and the size that comprise that playback presents on the screen are provided is as management information at this.Below in detail the explanation various management information that will be used for reproducing text subtitle be recorded in the data structure and the method for recording medium as fileinfo.
Fig. 5 A illustrates the text subtitle playback management information that is recorded in the text subtitle stream according to of the present invention to 5C, wherein distinguishes explanatory dialogue information, area information and style information (Style Info).
Fig. 5 A illustrates the dialog information (dialogue) as the information that is used to reproduce/manage text subtitle of the present invention, wherein ' dialogue ' be meant the management information of at least one text subtitle data that is used to manage the interior existence of specific presentative time.
That is, the presentative time that is used for notice reproduction time on screen generally uses ' PTS (presentative time stamp) ' to manage, and the whole text subtitle that shows in specific PTS interval or time slot is defined as ' dialogue ', has improved the convenience of reproduction/management thus.
For example, the text subtitle data that shows in the time between PTS (k) and the PTS (k+1) is made of two row, can see that thus whole text subtitle data is defined by same dialogue.And to be at least delegation be sufficient to the condition of the line number of included text subtitle data in the dialogue.
Fig. 5 B illustrates the text subtitle of management as the zone, wherein ' zone ' is meant that zone that the style information (Style Info particularly is ' global style ') of following detailed explanation is applied to the text subtitle in the zone in the presentative time of dialogue.In one embodiment, can allow to have maximum two zones a dialogue.That is a dialogue can be managed a zone or two zones.And the line number of included text subtitle data can be defined as delegation at least in each zone.
In this embodiment of the present invention, can in a dialogue, enable maximum two zones, this is the decoding load when considering the playback text subtitle.But definable exists maximum n zones, wherein n 〉=2 in a dialogue in replacing realization.Fig. 5 C illustrates the style information (Style Info) of the reproducing management information as text subtitle according to an embodiment of the invention.' style information (Style Info) ' is the information that is used to specify the method for videotex caption data on screen.For example, style information (Style Info) is included in position on the screen, size, background colour or the like.In addition, can provide such as text justification, text flow to etc. various information as style information (Style Info).Explain the detailed explanation of this style information (Style Info) to 10C below with reference to Fig. 9 A.
As further illustrated in FIG., style information (Style Info) can be divided into ' global style (GlobalStyle Info) ' and ' local style information (Local Style Info) '.This makes has greater flexibility in the demonstration of text subtitle data.' global style (Global Style Info) ' is the style information (Style Info) that is applied to the whole zone that is associated such as position, size etc.This global style also can be called as ' region information style information (region_styles) '.Fig. 5 C illustrates two zones (region # 1 and regional #2) respectively and has the example of different ' region information style information (region_styles) '.The region information style information region_styles in zone 1 (region #1) is ' position 1, size 1, color=blueness ', and the region information style information region_styles in zone 2 (region #2) is ' position 2, size 2, color=redness '.' region information style information (region_styles) ' will come detailed desampling with reference to figure 9B.
' local style information (Local Style Info) ' is applied to each data line in the zone or the style information (Style Info) of each text data character, and also can be described as ' inline style information (inline_styles) '.For example, Fig. 5 C is illustrated in the example of using inline style information (inline_styles) among the regional # 1, and wherein different with other text inline style information (inline_styles) are applied to ' mountain ' part of text data.Inline style information (inline_styles) will be explained in detail with reference to figure 10C.Fig. 6 A and Fig. 6 B illustrate data structure and the method for using dialogue, zone and style information that text subtitle is provided as text subtitles.
Fig. 6 A illustrates data structure and the method that is used to manage text subtitle, and wherein each presentative time stabs (PTS) time slot or managed by a dialogue at interval.As shown in the figure, between PTS1～PTS2, shown dialogue #1.Dialogue # 1 comprises single regional text subtitle, and ' text #1 ' is as text data.Between PTS2～PTS3, show dialogue #2, and dialogue #2 have two zone-text subtitle data ' text #1 ' and ' zone 1 of text #2 ' and zone 2 respectively.In view of the above, the zone in 1 ' in text #1 ' and the zone 2 ' text #2 ' stabs in the PTS2～PTS3 of interval at presentative time and is shown as text data.Between PTS3～PTS4, show dialogue #3, and dialogue #3 comprises that ' text #2 ' is as text data.Between PTS5～PTS6, show dialogue #4, and dialogue #4 comprises that ' text #3 ' is as text data.There is not text subtitle data between PTS4～PTS5.
As from Fig. 6 A as seen, talk with not overlapping.In other words, in this embodiment, it is not overlapping that the presentative time of each respective dialog stabs time slot.
The method of explaining above each dialog information of definition in detail is as follows.At first, each dialogue is provided for showing the temporal information (PTS collection) of the information of respective dialog, style information (Style Info) and real text data (being called ' dialogue data ').
Temporal information (PTS collection) is recorded in the following dialog data structure that goes through as ' PTS begins ' information and ' PTS end ' information.For example, the PTS start information of dialogue # 1 is PTS# 1, and the PTS ending message of dialogue # 1 is PTS#2.
Style information (Style Info) comprises ' global style (Global Style Info) ' and ' local style information (Local Style Info), they are recorded in the following dialog data structure that goes through as ' region information style information (region_styles) ' and ' inline style information (inline_styles) ' respectively.Actual shown text data is recorded in the dialog data structure as ' dialogue data '.
Get back to Fig. 6 A because dialogue #2 comprises two zones-zone 1 and zone 2, so style information (StyleInfo) and dialogue data respectively with zone 1 and regional 2 in each quilt record explicitly.That is, the style information in these two zones can be separate, and can be independent of other dialogue.
Fig. 6 B is illustrated in the data structure and the method for successively reproducing text subtitle between two neighbor dialogs.For example, first area-zone 1 of dialogue # 1 and dialogue #2 is by successively reproducing, and the second area-zone 2 of dialogue #2 with talk with #3 by successively reproducing.
Example shown in example shown in Fig. 6 B and Fig. 6 A is basic identical, difference is, 1) text # 1 is by dialogue # 1 and dialogue #2 successively reproducing, and text #2 is by dialogue #2 and dialogue #3 successively reproducing, 2) style information of dialogue # 1 and dialogue #2 Chinese version # 1 is identical, and 3) dialogue #2 and the style information of talking with #3 Chinese version #2 be identical.
Be the energy successively reproducing, the PTS of all dialogues is continuous at interval.As shown in Fig. 6 B, when all dialogues or its presentative time stab when not overlapping at interval, the concluding time of first dialogue is identical with second start time of talking with in time.For example, PTS2 is the concluding time of dialogue # 1, and is the start time of dialogue #2, and PTS3 is the concluding time of dialogue #2, and is the start time of dialogue #3.Be to be the energy successively reproducing equally, the style information (Style Info) of striding the continuous text subtitle of dialogue should be identical.In view of the above, as shown in Fig. 6 B, among the dialogue # 1 and the style information of zone 1 Chinese version # 1 of dialogue #2 be identical (that is, pattern #1), and in the zone 2 of dialogue #2 and the style information of dialogue #3 Chinese version #2 be identical (that is pattern #2).
In addition,, comprise label information (continuous_present_flag) in the dialog data structure, be used to indicate dialogue whether the continuous playback of a dialogue in the past is provided for the energy successively reproducing.That is what current dialog information comprised whether this dialogue of indication require the in the past continuous playback of a dialogue presents mark continuously.Explain this data structure in more detail below with reference to Figure 10 A.In view of the above, in the example of Fig. 6 B, the second and the 3rd dialogue #2 and #3 comprise these session requirementses of indication label information of the continuous playback of a dialogue in the past.
Fig. 7 illustrates the structure of text subtitle stream files according to an embodiment of the invention, wherein shows the record form of the text subtitle stream files 10001.m2ts among Fig. 1 for example.
As shown in the figure, text subtitle stream is configured to the MPEG2 transport stream.Each the transmission grouping TP that constitutes this stream is given identical packet identifier (PID), for example, and ' PID=0x18xx '.Thus, optic recording/reproducing device (for example, the device of Figure 11) from stream, read have ' PID=0x18xx ' transmission grouping to read text subtitle, be convenient to only read text subtitle stream thus.
As further illustrated in FIG., a plurality of transmission grouping TP constitute the basic stream of grouping (PES) grouping.In one embodiment of the invention, one ' PES grouping ' constitutes each dialogue, is convenient to the reproduction of talking with thus.
As further illustrated in FIG., ' dialog style unit (DSU) ' (or being called dialog style segment DSS), be recorded in the text subtitle stream as first ' PES grouping '.DSU is the data structure that is used to provide style information (Style Info).All the other PES groupings are ' dialogue display unit (DPU) ' (or being called dialog presentation segment DPS).DPU is recorded in it as the unit of record real dialog data.Thus, when reproducing text subtitle data, DPU can be style information with reference to DSU.That is, in the text subtitle stream structure of Fig. 7, can be one the information that is used for the text subtitle in zone is linked to the defined various style information set of DSU such as the style information Style Info in defined each dialogue among Fig. 6 A and Fig. 6 B.
Next explain the data structure sentence structure of DSU and DPU according to an embodiment of the invention with reference to figure 8 to 10C.Fig. 8 illustrates the data structure sentence structure of text subtitle stream according to an embodiment of the invention " Text_subtitle_stream () ".Mention in the description of Fig. 7 and shown in Figure 8 that as above ' Text_subtitle_stream () ' of the present invention data structure comprises ' dialog_style_unit () ' data structure of definition style information (Style Info) collection and a plurality of ' dialog_presentation_unit () ' data structure that has write down true dialog information.The number of ' dialog_presentation_unit () ' data structure in field ' num_of_dialog_units ' the indication text subtitle stream.And, the video format of text subtitle stream indication ' video_format () ' data structure Chinese version caption stream.
Fig. 9 A illustrates the data structure of ' dialog_style_unit () ' according to an embodiment of the invention to 9C, and Figure 10 A illustrates the data structure of ' dialog_presentation_unit () ' according to an embodiment of the invention to 10C.
Fig. 9 A illustrates ' dialog_style_unit () ' total or senior data structure.As shown in the figure, ' dialog_style_unit () ' comprises that sign this element (or section) is ' unit_type ' field of DSU (or DSS), and ' unit_length ' field of indication DSU length.
DSU is divided into ' user_control_styleset () ' (Fig. 9 C) of the set of the style information Style Info that ' dialog_styleset () ' (Fig. 9 B) of the set that is defined in the various style information Style_Info that use in the dialogue and definition can be adjusted by the user.
The data structure sentence structure that Fig. 9 B illustrates ' dialog_styleset () ' according to an embodiment of the invention.' dialog_styleset () ' is provided as ' global style (the Global Style Info) ' of maybe can being called as of each zone definitions aforesaid ' region information style information (Global Style Info) '.As shown in Fig. 9 B, ' dialog_styleset () ' comprises ' num_of_region_styles ' field, and its indication is the number of ' dialog_styleset () ' region style of providing thus.Each region style is that the identifier ' region_style_id ' on boundary is quoted by the number with region style in turn.
Thus, as will be discussed in more detail, dialogue will be indicated the style information that will be applied to talk with by indicating area model identifier ' region_style_id ', and data recording/reproducing device uses the style information that has identical ' region_style_id ' in ' dialog_styleset () ' to reproduce corresponding dialogue.
For each ' region_style_id ', ' dialog_styleset () ' provides ' region_horizontal_position ', ' region_vertical_position ', ' region_width ' and ' region_height ' field as the position of definition respective regions in display screen and big or small information.The information of ' text_horizontal_position ' and ' text_vertical_position ' field as the origin position of definition text in respective regions also is provided.And provide ' region_bg_color_index ' information to indicate the background colour of respective regions.
Next, definition ' text_flow ' field and ' text_alignment ' field, wherein ' text_flow ' Field Definition text is write direction (from right to left, from left to right, from top to bottom), and ' text_alignment ' Field Definition text justification direction (left, center, right).For ' text_flow ' field, in one embodiment, if having a plurality of zones in a dialogue, then each zone in the respective dialog is defined as having identical ' text_flow ' value.This is for fear of user's confusion reigned when checking captions.
Single style information also can be included in style information set.For example, Fig. 9 B illustrates provides ' line_space ' information, is used to specify the interval between zone expert and the row, and the font information such as real text data such as ' font_type ', ' font_style ' and ' font_color ' information also is provided.
The data structure that Fig. 9 C illustrates ' user_changeable_styleset () ' according to an embodiment of the invention.' user_changeable_styleset () ' is that the user can revise the information with the style information that changes text subtitle data.But,, then may increase the weight of user's confusion if allow the above-mentioned style information of user's modification.Thus, according to this embodiment of the invention, only ' font_size ' and ' region_horizontal/vertical_position ' is defined as the revisable style information of user.
As shown in the figure, ' user_control_styleset () ' sentence structure comprises ' num_of_font_sizes ' field, the number of the font size that is provided in its indication ' user_control_styleset () '.For each font size, ' user_control_styleset () ' comprises ' font_size_variation ' information, and it specifies the variable range of revisable ' font_size '.' user_control_styleset () ' also comprises ' num_of_region_positions ' field, the number of the regional location that its indication provides in ' user_control_styleset () '.For each regional location, ' user_control_styleset () ' comprises ' region_horizontal_position_variation ' and ' region_vertical_position_variation ' information, and they specify the variable range of revisable ' region_horizontal/vertical_position '.
That Figure 10 A illustrates ' dialog_presentation_unit () ' according to an embodiment of the invention is total, the data structure sentence structure of office's level.As shown in the figure, ' dialog_presentation_unit () ' comprises ' unit_type ' field, and its sign this element (or section) is DPU (or DPS), and comprises ' unit_length ' field, the length that is used to indicate DSU.
DSU also comprises ' dialog_start_PTS ' and ' dialog_end_PTS ' information, and they specify the presentative time of defined respective dialog in ' dialog_presentation_unit ' to stab at interval.
The color that is applied to respective dialog changes information and is defined in ' dialog_presentation_unit () ' sentence structure by ' dialog_paletteset () ' sentence structure, and this will describe in further detail below with reference to Figure 10 C.
As mentioned above, in this embodiment of the present invention, a dialogue can have one or two zone, and this is indicated by ' num_of_regions ' field among the DPU.For each zone, ' dialog_region () ' sentence structure defines area information in DPU.Each zone ' dialog_region () ' is by sequence identifier ' region_id ' index, and this sequence is the boundary with regional number illustrated in ' num_of_regions ' field.As shown in the figure, each regional area information comprises ' continuous_present_flag ' field, ' region_style_id ' field and ' region_subtitle ' field.
Presenting mark ' continuous_present_flag ' continuously indicates this DPU whether to require the continuous playback from last DPU.' region_style_id ' field is indicated in the region style that is defined by above ' dialog_styleset () ' of being discussed with reference to figure 9B.This region style that is identified will be applied to this regional caption data at reproduction period.' region_subtitle () ' sentence structure defines text data included in this dialog region and/or local style information (Local Style Info), and will describe in detail below with reference to Figure 10 B.
As previously mentioned, Figure 10 B illustrates the data structure sentence structure of defined ' region_subtitle () ' data structure in ' dialog_presentation_unit () ' sentence structure.As shown in the figure, ' region_subtitle () ' comprises ' region_subtitle_length ' field and ' escape_code ' field that escape code is provided of the length of indication ' region_subtitle () '.' region_subtitle () ' also comprises ' inline_style () ' data structure and ' text_string '.
' test_string ' is the text data that is recorded in ' region_subtitle () '.' inline_style () ' data structure comprises indicates ' num_of_inline_styles ' field of the number of the inline type of data structure definition thus.For be the boundary with inline type number each by the inline style of sequential index, provide ' inline_style_type ' field and ' inline_style_value ' field as the local style information that is applied to specific ' text_string ' in ' region_subtitle () '.
For example, ' mountain ' among the regional # 1 corresponding text data is described to one ' text_string ' (' text_string=mountain ') among Fig. 5 C.Then can by with ' inline_style_type=Fontsize ' and ' inline_style_value ()=xxx ' as local style information (Local Style Info) will corresponding ' text_string=mountain ' font size (Font_size) be made as certain value (xxx).
' inline_style_type ' that can be applicable to each ' text_string ' can be font type, font style, font size, font color etc.Thus, obviously can define various style informations as required.
The data structure sentence structure that Figure 10 C illustrates ' dialog_paletteset () ' according to an embodiment of the invention.' dialog_paletteset () ' sentence structure changes information for the text subtitle data of being write in talking with provides color.As shown in the figure, ' dialog_paletteset () ' comprises ' num_of_palettes ' field of the number of defined palette in the indication this ' dialog_paletteset () ', and ' pallette_update_interval ' field of the effect of fading in/fade out of specify text data.
For each number of palettes, ' dialog_paletteset () ' comprises by ' dialog palette () ' data structure that with the number of palettes is the order palette_id index on boundary.Each ' dialog palette () ' data structure comprises ' num_of_palette_entries ' field of the number of ' palette entries () ' in this dialogue palette of indication.For each ' palette entry () ', ' dialog palette () ' provides ' palette_entry_id ' field, ' Y_value ' field, ' Cr_value ' field, ' Cb_value ' field and ' T_value ' field.' palette_entry_id ' field provides the identifier of this ' palette_entry () '.' Y_value ' field provides brightness value, and ' Cr_value ' and ' Cb_value ' field provides chromatic value, the brightness and the color of the data that are used to create text.The information that is used to indicate the text data transparency that ' T_value ' provides.
Thus, in text subtitle data, color can be defined by Global Style Info or Local Style Info, and the information of change in color and/or transparency can be provided by ' dialog_paletteset () ' sentence structure.
Figure 11 is the block diagram that is used to reproduce the optic recording/reproducing device of text subtitle stream according to of the present invention.As shown in the figure, this device comprises: pickup unit 11 is used for playback record in master data, the text subtitle stream of CD and the reproduction/management information that is associated; Servo 14, be used to control the operation of pickup unit 11; Signal processing unit 13, the reproducing signal that is used for receiving from pickup unit 11 reverts to the signal value of wanting, or input signal is modulated into the signal that will be recorded in the CD; Storer 15 is used for the required information of storage system operation (playback management information of being discussed with reference to figure 1-10C for example); And microcomputer 16, be used to control the operation of servo 14, signal processor unit 13 and storer 15.
As further illustrated in FIG., AV and text subtitle (ST) demoder 17 will from signal processor unit 13 output and by the data decode after impact damper 19 bufferings.Impact damper 19 bufferings (that is storage) text subtitle stream is to decode text subtitle data.
In order to carry out the function of signal record in CD, AV scrambler 18 is converted to input signal the signal such as specific formatizations such as MPEG2 transport stream under the control of control module 12, and the signal through conversion will be offered signal processing unit 13.
The operation of control module 12 control optic recording/reproducing device integral body.In case imported the specific-language text subtitle playback request command via the user interface that operatively is linked to control module 12, control module 12 is promptly controlled this device the corresponding text caption stream is pre-loaded in the impact damper 19.Control module 12 is subsequently by waiting and control demoder 17 with reference to the above-mentioned dialog information, area information, the style information (Style Info) that are stored in the text subtitle stream information in the impact damper 19, thereby real text data is displayed on specific location on the screen with specific size.For carrying out record, control module 12 is controlled AV scrambler 18 via the instruction that receives from user interface AV is imported digital coding.Control module 12 also control signal processor unit 13 is handled coded data and from the order data of control module 12, with as above referring to figs. 1 to 10C discussed with data structure records on recording medium.
Industrial applicability
Although the embodiment with reference to limited quantity comes open the present invention, benefit from this area skill of this invention Art personnel will recognize that many modifications and changes of deriving from it. For example, although in several examples with regard to blue light The ROM CD is described, but the present invention is not limited to this compact disk standards or is limited to CD. Be intended to make all this The class modifications and changes drop within the spirit and scope of the present invention.
Claims (43)
1. one kind is used to manage the method for the data structure of text subtitle from recording medium reproducing, comprising:
Read the section of presenting from described recording medium, the described section of presenting is included in the text subtitle data that presents each text subtitle that presents in the time slot, the described section of presenting provides the described presentative time that presents time slot of definition to stab the start time and presentative time stabs the concluding time so that described present time slot not can with another section of presenting to present time slot overlapping.
2. the method for claim 1 is characterized in that, several zones of the described section of presenting definition, and each zone provides text subtitle data.
3. method as claimed in claim 2 is characterized in that, the described section of presenting is two zones of definition at most.
4. method as claimed in claim 2 is characterized in that, for each zone, the described section of presenting is with reference to a region style, and the region style of institute's reference defines the position and the size in described zone.
5. method as claimed in claim 2 is characterized in that, the described section of presenting comprises the continuous presentation information in each zone, and being used to indicate whether will be from the described zone of the last section of presenting beginning successively reproducing.
6. method as claimed in claim 5 is characterized in that, the continuous presentation information in described each zone is a mark.
7. method as claimed in claim 5 is characterized in that, when the continuous presentation information in a zone in the described section of presenting was indicated successively reproducing, the presentative time of the described section of presenting stabbed the presentative time stamp concluding time that the start time equals the described last section of presenting.
8. the method for claim 1 is characterized in that, the described section of presenting comprises type field, is used for the described segment identification that presents is the section of presenting.
9. method as claimed in claim 7, it is characterized in that, the described section of presenting is that each zone is with reference to a region style, the region style of institute's reference defines the position and the size in described zone, and when a zone in the described section of presenting comprises the continuous presentation information that indication presents continuously, for the region style of described regional institute reference be with the last section of presenting in the identical region style of regional institute reference.
One kind on recording medium record be used to manage the method for the data structure of text subtitle, comprising:
The record section of presenting on described recording medium, the described section of presenting is included in the text subtitle data that presents each text subtitle that presents in the time slot, the described section of presenting provides the described presentative time that presents time slot of definition to stab the start time and presentative time stabs the concluding time so that described present time slot not can with another section of presenting to present time slot overlapping.
11. method as claimed in claim 10 is characterized in that, several zones of the described section of presenting definition, and each zone provides text subtitle data.
12. method as claimed in claim 11 is characterized in that, the described section of presenting is two zones of definition at most.
13. method as claimed in claim 11 is characterized in that, for each zone, the described section of presenting is with reference to a region style, and the region style of institute's reference defines the position and the size in described zone.
14. method as claimed in claim 11 is characterized in that, the described section of presenting comprises the continuous presentation information in each zone, and being used to indicate whether will be from the described zone of the last section of presenting beginning successively reproducing.
15. method as claimed in claim 14 is characterized in that, the continuous presentation information in described each zone is a mark.
16. method as claimed in claim 14, it is characterized in that, when the continuous presentation information in a zone in the described section of presenting was indicated successively reproducing, the presentative time of the described section of presenting stabbed the presentative time stamp concluding time that the start time equals the described last section of presenting.
17. method as claimed in claim 10 is characterized in that, the described section of presenting comprises type field, is used for the described segment identification that presents is the section of presenting.
18. method as claimed in claim 10 is characterized in that, described text subtitle is a text subtitle stream, and it comprises the one style section, and one or more sections of presenting are followed in the back.
19. a device that is used for being used to manage from recording medium reproducing the data structure of text subtitle comprises:
Pickup unit is configured to reproduce the data that are recorded on the described recording medium; And
Controller, be configured to control described pickup unit from the described recording medium reproducing section of presenting, the described section of presenting is included in the text subtitle data that presents each text subtitle that presents in the time slot, the described section of presenting provides the described presentative time that presents time slot of definition to stab the start time and presentative time stabs the concluding time so that described present time slot not can with another section of presenting to present time slot overlapping.
20. device as claimed in claim 19 is characterized in that, several zones of the described section of presenting definition, and each zone provides text subtitle data.
21. device as claimed in claim 20 is characterized in that, the described section of presenting is two zones of definition at most.
22. device as claimed in claim 20 is characterized in that, for each zone, the described section of presenting is with reference to a region style, and the region style of institute's reference defines the position and the size in described zone.
23. device as claimed in claim 20 is characterized in that, the described section of presenting comprises the continuous presentation information in each zone, and being used to indicate whether will be from the described zone of the last section of presenting beginning successively reproducing.
24. device as claimed in claim 23 is characterized in that, the continuous presentation information in described each zone is a mark.
25. device as claimed in claim 23, it is characterized in that, when the continuous presentation information in a zone in the described section of presenting was indicated successively reproducing, the presentative time of the described section of presenting stabbed the presentative time stamp concluding time that the start time equals the described last section of presenting.
26. device as claimed in claim 19 is characterized in that, the described section of presenting comprises type field, is used for the described segment identification that presents is the section of presenting.
27. one kind is used on recording medium the device that record is used to manage the data structure of text subtitle, comprises:
Pickup unit is configured at described recording medium identifying recording layer;
Controller, be configured to control described pickup unit and on described recording medium, write down the section of presenting, the described section of presenting is included in the text subtitle data that presents each text subtitle that presents in the time slot, the described section of presenting provides the described presentative time that presents time slot of definition to stab the start time and presentative time stabs the concluding time so that described present time slot not can with another section of presenting to present time slot overlapping.
28. device as claimed in claim 27 is characterized in that, several zones of the described section of presenting definition, and each zone provides text subtitle data.
29. device as claimed in claim 28 is characterized in that, the described section of presenting is two zones of definition at most.
30. device as claimed in claim 28 is characterized in that for each zone, the described section of presenting is with reference to a region style, and the region style of institute's reference defines the position and the size in described zone.
31. device as claimed in claim 28 is characterized in that, the described section of presenting comprises the continuous presentation information in each zone, and being used to indicate whether will be from the described zone of the last section of presenting beginning successively reproducing.
32. device as claimed in claim 31 is characterized in that, the continuous presentation information in described each zone is a mark.
33. device as claimed in claim 31, it is characterized in that, when the continuous presentation information in a zone in the described section of presenting was indicated successively reproducing, the presentative time of the described section of presenting stabbed the presentative time stamp concluding time that the start time equals the described last section of presenting.
34. device as claimed in claim 27 is characterized in that, the described section of presenting comprises type field, is used for the described segment identification that presents is the section of presenting.
35. one kind produces the method for the data structure be used to manage text subtitle from recording medium, comprising:
Produce the section of presenting from described recording medium, the described section of presenting is included in the text subtitle data that presents each text subtitle that presents in the time slot, the described section of presenting provides the described presentative time that presents time slot of definition to stab the start time and presentative time stabs the concluding time so that described present time slot not can with another section of presenting to present time slot overlapping.
36. method as claimed in claim 35 is characterized in that, several zones of the described section of presenting definition, and each zone provides text subtitle data.
37. method as claimed in claim 36 is characterized in that, the described section of presenting is two zones of definition at most.
38. method as claimed in claim 36 is characterized in that, for each zone, the described section of presenting is with reference to a region style, and the region style of institute's reference defines the position and the size in described zone.
39. method as claimed in claim 35 is characterized in that, the described section of presenting comprises the continuous presentation information in each zone, and being used to indicate whether will be from the described zone of the last section of presenting beginning successively reproducing.
40. method as claimed in claim 39 is characterized in that, the continuous presentation information in described each zone is a mark.
41. method as claimed in claim 39, it is characterized in that, when the continuous presentation information in a zone in the described section of presenting was indicated successively reproducing, the presentative time of the described section of presenting stabbed the presentative time stamp concluding time that the start time equals the described last section of presenting.
42. method as claimed in claim 35 is characterized in that, the described section of presenting comprises type field, is used for the described segment identification that presents is the section of presenting.
43. method as claimed in claim 35 is characterized in that, described text subtitle is a text subtitle stream, and it comprises the one style section, and one or more sections of presenting are followed in the back.
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| CN 200480041530 Pending CN101080770A (en) | 2004-02-10 | 2004-10-13 | Recording medium having a data structure for managing various data streams and recording and reproducing methods and apparatuses |
| CN 200480042284 Pending CN1926628A (en) | 2004-02-10 | 2004-11-26 | Recording medium having a data structure for managing data streams associated with different languages and recording and reproducing methods and apparatuses |
| CN200710139867A Expired - Fee Related CN100585717C (en) | 2004-02-10 | 2004-11-26 | On recording medium, generate, write down and reproduce the method and apparatus of text subtitle |
| CNB2004800415273A Expired - Fee Related CN100555438C (en) | 2004-02-10 | 2004-11-26 | Recording medium and record and reproducting method and device with the data structure that is used to manage text subtitle |
| CN 200480041531 Pending CN1914903A (en) | 2004-02-10 | 2004-12-08 | Text subtitle decoder and method for decoding text subtitle streams |
| CN 200580004499 Pending CN1918650A (en) | 2004-02-10 | 2005-01-12 | Recording medium and method and apparatus for decoding text subtitle streams |
| CN 200580004498 Pending CN1918649A (en) | 2004-02-10 | 2005-01-12 | Recording medium and method and apparatus for decoding text subtitle streams |
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| CNB2004800415292A Expired - Fee Related CN100473133C (en) | 2004-02-10 | 2004-10-12 | Text subtitle reproducing method and decoding system for text subtitle |
| CN 200480041530 Pending CN101080770A (en) | 2004-02-10 | 2004-10-13 | Recording medium having a data structure for managing various data streams and recording and reproducing methods and apparatuses |
| CN 200480042284 Pending CN1926628A (en) | 2004-02-10 | 2004-11-26 | Recording medium having a data structure for managing data streams associated with different languages and recording and reproducing methods and apparatuses |
| CN200710139867A Expired - Fee Related CN100585717C (en) | 2004-02-10 | 2004-11-26 | On recording medium, generate, write down and reproduce the method and apparatus of text subtitle |
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| CN 200480041531 Pending CN1914903A (en) | 2004-02-10 | 2004-12-08 | Text subtitle decoder and method for decoding text subtitle streams |
| CN 200580004499 Pending CN1918650A (en) | 2004-02-10 | 2005-01-12 | Recording medium and method and apparatus for decoding text subtitle streams |
| CN 200580004498 Pending CN1918649A (en) | 2004-02-10 | 2005-01-12 | Recording medium and method and apparatus for decoding text subtitle streams |
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| US7529467B2 (en) | 2004-02-28 | 2009-05-05 | Samsung Electronics Co., Ltd. | Storage medium recording text-based subtitle stream, reproducing apparatus and reproducing method for reproducing text-based subtitle stream recorded on the storage medium |
| KR100727921B1 (en) * | 2004-02-28 | 2007-06-13 | 삼성전자주식회사 | Storage medium recording text-based subtitle stream, reproducing apparatus and reproducing method thereof |
| JP4569673B2 (en) * | 2008-06-24 | 2010-10-27 | Ｎｅｃカシオモバイルコミュニケーションズ株式会社 | Subtitled video playback device, subtitled video playback method and program |
| CN101764949B (en) * | 2008-11-10 | 2013-05-01 | 新奥特（北京）视频技术有限公司 | Timing subtitle collision detection method based on region division |
| KR20110018261A (en) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | Method and apparatus for processing text subtitle data |
| CN103067665A (en) * | 2012-12-25 | 2013-04-24 | 天津市亚安科技股份有限公司 | Implement method of self-adaptation overlying character colors based on video luminance |
| CN105338394B (en) | 2014-06-19 | 2018-11-30 | 阿里巴巴集团控股有限公司 | The processing method and system of caption data |
| JP6724791B2 (en) * | 2014-12-19 | 2020-07-15 | ソニー株式会社 | Transmission device, transmission method, reception device, and reception method |
| CN106652983B (en) * | 2016-09-18 | 2021-04-02 | 福建网龙计算机网络信息技术有限公司 | Subtitle making method and system |
| CN108012176A (en) * | 2016-10-28 | 2018-05-08 | 深圳市中兴微电子技术有限公司 | A kind of data switching method, device and terminal |
| CN108040277B (en) * | 2017-12-04 | 2020-08-25 | 海信视像科技股份有限公司 | Subtitle switching method and device for multi-language subtitles obtained after decoding |
| CN110109965A (en) * | 2018-02-02 | 2019-08-09 | 上海颐为网络科技有限公司 | The auxiliary reminding method and component of the structure of knowledge are established on Knowledge Sharing platform |
| CN108924622B (en) * | 2018-07-24 | 2022-04-22 | 腾讯科技（深圳）有限公司 | Video processing method and device, storage medium and electronic device |
| CN111399788B (en) * | 2018-12-29 | 2023-09-08 | 西安诺瓦星云科技股份有限公司 | Media file playing method and media file playing device |
| CN116634218B (en) * | 2023-05-25 | 2024-04-02 | 优酷网络技术（北京）有限公司 | Popularization information display method, device, equipment and medium |
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- 2004-10-13 CN CN 200480041530 patent/CN101080770A/en active Pending
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- 2004-11-26 CN CNB2004800415273A patent/CN100555438C/en not_active Expired - Fee Related
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2005
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- 2005-01-12 CN CN 200580004498 patent/CN1918649A/en active Pending
Also Published As
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|---|---|
| CN1914906A (en) | 2007-02-14 |
| CN1914684A (en) | 2007-02-14 |
| CN1918649A (en) | 2007-02-21 |
| CN101093709A (en) | 2007-12-26 |
| CN100585717C (en) | 2010-01-27 |
| CN1926628A (en) | 2007-03-07 |
| CN1914903A (en) | 2007-02-14 |
| CN100473133C (en) | 2009-03-25 |
| CN101080770A (en) | 2007-11-28 |
| CN1918650A (en) | 2007-02-21 |
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