CN100380515C - Information storage medium for easy searching text information and its reproducing device and method - Google Patents
Information storage medium for easy searching text information and its reproducing device and method Download PDFInfo
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- CN100380515C CN100380515C CNB021473730A CN02147373A CN100380515C CN 100380515 C CN100380515 C CN 100380515C CN B021473730 A CNB021473730 A CN B021473730A CN 02147373 A CN02147373 A CN 02147373A CN 100380515 C CN100380515 C CN 100380515C
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Abstract
An information storage medium having a data structure that allows easy searching of text data, and an apparatus and a method for playing the information storage medium. The information storage medium includes: AV data that includ es audio data and video data, a markup document displayed together with the AV data, and a reproduction control information file containing text data that has a data structure where the text information is classified into a text to be loaded to a memory and a text not to be loaded to the memory for easy search. Therefore, the text data can be searched easily and the memory of the reproducing apparatus can be utilized effectively.
Description
Technical field
The present invention relates to a kind of information storage medium of interactive mode, a kind of transcriber and a kind of reproducting method supported, text data in the information storage medium of the AV data that are specifically related in being included in, to reproduce and show, and a kind of apparatus and method that are used for the information reproduction storage medium by a display window of marking document definition.
Background technology
Interactive DVD based on personal computer (PC) is suggested, and it can come reproduced with interactive mode.Interactive DVD has referred to write down the DVD of AV data and marking document.The AV data that are stored in the interactive DVD can be reproduced in two ways, i.e. video mode or interactive mode.In video mode, the AV data are shown in the mode the same with the video content that is presented at common DVD, and in interactive mode, reproduced AV data are displayed in the display window that is defined by a marking document.If the user has selected interactive mode, then be based upon browser translation and the marking document of displayed record in mutual DVD and the AV data of in display window, selecting by the user among the PC by the marking document definition.Representational marking document is a html file.
For example, be in the film of AV data in content, the video content of film is played in the display window of html file, can show the multiple supplementary of photo of comprising script, story, men and women performer etc. in the remainder of display screen.This supplementary can show synchronously with a title (AV data).For example, when a performer in performance time, call and show the marking document of the resume that comprises it with its video content.
But in interactive mode, the shortcoming of the data structure of the text data manager that is provided by existing DVD video standard is to be not easy to search the text data on marking document and to effectively utilize storer.
Summary of the invention
In order to address the above problem, an object of the present invention is to provide a kind of information storage medium and a kind of apparatus and method that are used for the information reproduction storage medium, wherein said information storage medium has feasible easy data structure with interactive mode search text data.
Another object of the present invention provides a kind of information storage medium and is used for a kind of apparatus and method of information reproduction storage medium, and wherein said information storage medium has the data structure that makes it possible to effectively utilize storer.
To achieve these goals, comprise the AV data that comprise voice data and video data according to a kind of information storage medium of the present invention.Information storage medium also comprises the marking document that together shows with the AV data.Information storage medium also comprises a reproduction control information file that comprises text data, and wherein said text data has such data structure, is to be easy to search, and text message is classified into the text of wanting load memory and the text of not wanting load memory.
Retrtieval comprises the source code of request search reproduction control information file.
Source code has application programming interfaces (API), and it has a text and a text message cognizance code as parameter, and the text message whether described text identification will search for will be loaded into storer.Source code has such API, and promptly its search is from the text data of n precedence record of the text data of prior searches.Source code has such API, i.e. its search is from n text data that write down afterwards of the text data of prior searches.
More specifically, API is a script API, for example JavaScript API.
The reproduction control information file comprises a plurality of item text (item text), comprising being divided into the text of wanting load memory and the text data of not wanting the text of load memory.The reproduction control information file comprises a plurality of item text, a plurality of pointer and a pointer list.A plurality of item text comprise text data.A plurality of pointer directory entry texts.Pointer list comprises that indication wants the pointer and the pointer of the text of load memory not of the text of load memory.
Pointer comprises a start address, data length and authentication code of item text.
In order to realize above-mentioned purpose of the present invention, provide: a kind of transcriber, be used for the information reproduction storage medium, this information storage medium comprises the AV data that comprise voice data and video data; A retrtieval together is shown with the AV data; With a reproduction control information file, comprise text data, described text data has such data structure, and promptly wherein for being easy to search, text message is divided into the text of wanting load memory and the text of not wanting load memory.Information storage medium comprises a reader, cache memory and an expression engine (presentation engine).Reader is from the information storage medium reading of data.Expression engine translation reproduction control information file, and if text message want in the load memory then to cache memory buffer memory text message.
Preferably, whether the identification of expression engine will be packed into by the text data of the request of the API on the script source code still is not want load memory, read text data if text message is wanted in the load memory from cache memory, if text data be not want load memory read text data or from the Internet receiving text data by reader from information storage medium.
The expression engine comprises a reproducing control module, a marking document/script translation module and a target interface module.Reproducing control block search reproduction control information file.Marking document/script translation module translation marking document, and translation and the API of executive logging in marking document.The target interface module is by API and reproducing control module and marking document translation module interface.
In order to realize above-mentioned purpose of the present invention, provide: a kind of method, be used for the information reproduction storage medium, described information storage medium comprises the AV data that comprise voice data and video data; A marking document together shows with the AV data; With a reproduction control information file, comprise text data, described text data has such data structure, and promptly wherein for being easy to search, text message is divided into the text of wanting load memory and the text of not wanting load memory.In described reproducting method, to reproduction control information file search text message.
Preferably, in reproducting method, from reproduction control information file search text message, searched to text data be buffered in the cache memory.More preferably, for whether wanting load memory to make sign by the text message of the API on script source code request, if text message be want load memory read text data from storer.
Description of drawings
By preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, above-mentioned and advantage of the present invention will become apparent, wherein:
Fig. 1 shows the bibliographic structure according to the dish of a preferred embodiment of the present invention;
Fig. 2 A and 2B show the data structure according to the reproduction control information file of a preferred embodiment of the present invention;
Fig. 3 shows the data structure of text data manager;
Fig. 4 shows an embodiment of text data manager shown in Figure 3;
Fig. 5 shows an embodiment of text data information shown in Figure 4 (TXTDTI);
Fig. 6 shows the embodiment of IT_TXT_SRP shown in Figure 4;
Fig. 7 is the block scheme according to the transcriber of a preferred embodiment of the present invention;
Fig. 8 shows the DOP detailed operating procedure according to expression engine 5 of the present invention; With
Fig. 9 is the process flow diagram of explanation according to a kind of reproducting method of a preferred embodiment of the present invention.
Embodiment
Below, with reference to accompanying drawing the present invention is described more fully, wherein show the preferred embodiments of the present invention.
Ding Yi marking document is not only represented the document prepared with such as the SGML of HTML and XML in this manual, and expression comprises the source code prepared with JavaScript and Java or run time version or the document that is linked with source code of preparing with JavaScript and Java or run time version, and also expression is used to be linked to or insert a file of marking document.
Fig. 1 shows the bibliographic structure according to the dish of the preferred embodiments of the present invention.
Referring to Fig. 1, a root directory comprises a videogram VIDEO_TS, and it comprises the AV data.In VIDEO_TS, there is a file VIDEO_TS.IFO, it comprises the reproduction control information of all video titles.In file VIDEO_TS.IFO, language message is designated as the default value of video title.In addition, have file VTS_01_0.IFO, it comprises the reproduction control information of one first video title set.VTS_01_0.VOB and VTS_01_1.VOB ... be the video object that constitutes video title set.In each VOB, there is a VOBU, it comprises navigation bag and one of video packets and audio pack at least.For more detailed configuration, need be referring to DVD-video standard " the DVD-video 1.0 of ROM (read-only memory) dish ".
In root directory, a mutual catalogue DVD_ENAV is also arranged, it comprises the information that is used to support interactive mode.DVD_ENAV comprises DVD_ENAV.IFO, and this is a reproduction control information file according to present embodiment.For example, the reproduction control information file comprise quantity, the essential information of title, the information of language, the captions that are used for title and the font of the definition of mutual catalogue and configuration, included title, such as the marking document display message and the copyright information of resolution and color.The text data of information be the following describes detailed structure by to come record according to data structure of the present invention.And DVD_ENAV comprises INDEX.XML and other marking documents, and INDEX.XML is used to show initial start mark document.In addition, in DVD_ENAV, can store such file, it will be linked to the marking document such as INDEX.XML, or is shown with the marking document such as INDEX.XML.
Fig. 2 A and 2B show the bibliographic structure according to the reproduction control information file of a preferred embodiment of the present invention.
Referring to Fig. 2 A, reproduction control information file DVD_ENAV.IFO comprises according to text data manager of the present invention.Referring to Fig. 2 B, but reproduction control information file DVD_ENAV.IFO can comprise an ENAV management information table, an ENAV HTML display language cell list and a text data manager.The ENAV management information table is an admin table, but it is designed to manage ENAV HTML display language cell list and text data manager.But the ENAV management information table can comprise a start address and an end address of start address and the end address and the text data manager of the size of a sign, the reproduction control information file of reproduction control information file, DVD sign, ENAV HTML display language cell list.But but ENAV HTML display language cell list is specified the type for the display language of marking document.But, but owing to specify not within the scope of the invention, therefore omit detailed description about this table for the table of the type of the display language of marking document.
In described text data manager, there is one according to the data structure that comprises text data of the present invention, described text data allows more effective search.
Fig. 3 shows the data structure of text data manager.
Referring to Fig. 3, text data manager comprises a plurality of item text IT_TEXT (35), has wherein write down text data.In addition, there is the pointer list 31 and 32 comprise text IT_TEXT a plurality of pointers of 35 instruction time.Be divided into the text data that text data that storer can pack into and storer can not be packed into according to pointer list of the present invention.The tabulation of Reference numeral 31 indication pointers, described pointer directory entry text IT_TEXT 35 has wherein write down the text data that will be encased in storer.The tabulation of Reference numeral 32 indication pointers, described pointer directory entry text IT_TEXT 35 has wherein write down the text data that is not encased in storer.Each pointer comprises a start address of item text, a data length and an authentication code.That is, prepared the item text search list of a separation, it helps to discern whether whether text data wants load memory.
Fig. 4 shows an embodiment of text data manager shown in Figure 3.
Referring to Fig. 4, in text data manager TXTDTI, at first storage comprises the text data information about the header information of pointer.The text data information heel is with LD_IT_TXT_SRP#n and UL_IT_TXT_SRP#m, but LD_IT_TXT_SRP#n is the pointer of the item text of indication load memory, and UL_IT_TXT_SRP#m is the pointer of the item text that indication can not load memory.So, the IT_TXT as item text has been arranged.
Fig. 5 shows an embodiment of text data information shown in Figure 4 (TXTDTI).
Referring to Fig. 5, the TXTDTI field comprises CHRS, LD_IT_TXT_SRP_Ns, UL_IT_TXT_SRP_Ns and TXTDT_MG_EA.CHRS comprises a code, is used to specify the character group of the character that uses in item text.LD_IT_TXT_SRP_Ns represents to indicate the quantity of the pointer of the item text of wanting load memory.UL_IT_TXT_SRP_Ns represents to indicate the not quantity of the pointer of the item text of load memory.The end address of TXTDT_MG_EA indication text data manager.
Fig. 6 shows the embodiment of IT_TXT_SRP shown in Figure 4.
Referring to Fig. 6, the IT_TXT_SRP field comprises IT_TXT_SA, IT_TXT_SZ and IT_TXT_IDCD.The start address of IT_TXT_SA directory entry text.IT_TXT_SZ represents the size of item text.IT_TXT_IDCD represents the authentication code of item text.
At this, should determine the size of the text data that will pack into of whole storer.If search for the IT_TXT_SA of one first item text that will pack into by the pointer of indicating one first item text that will pack into, search for the IT_TXT_SA of one first item text of not packing into by the pointer of indicating one first item text of not packing into, then can utilize difference between the IT_TXT_SA to calculate the size of the text data that will pack into.And the length of the text data that will pack into/not pack into is limited to several characters.
Item text illustrates in the character group of appointment and produces.
Fig. 7 is the block scheme according to the transcriber of a preferred embodiment of the present invention.
Referring to Fig. 7, transcriber is recorded in the AV data of coiling on 100 according to the embodiment decoding, it is reproduced as the AV data stream, and shows the AV data stream with interactive mode in the display window of underlined document definition.Transcriber comprises a reader 1, memory buffer 2, cache memory 3, AV demoder 4, an expression engine 5 and a mixer 7.
Fig. 8 shows the DOP detailed operating procedure according to expression engine 5 of the present invention.
Referring to Fig. 8, angle from software, expression engine 5 comprises a reproducing control module, a target interface module and a marking document/script translation module, and marking document/script translation module connects application programming interfaces (API) and target interface module.API is predetermined on a script special method, wherein writes the control operation of being asked when the source code of being write with script also is performed subsequently by the translation of script translation module.
The reproducing control module comprises the text data that is made of item text and is designed for the text search engine of search text data.Text search engine search text data DVD_ENAV.IFO, it has the data structure according to present embodiment.
Target interface module executive's interface, wherein the script translation module will be sent to the reproducing control module based on parameter and the method that an API defines on a target interface.For so, the target interface module has the text search interface and text extracts interface.The text search interface sends by the parameter that marking document/the script translation module provides by API to text search engine, that is, and and about the information of the text data that will search for.Text extracts interface and sends the text data of being searched for by text search engine to marking document/script translation module.
Marking document/translation of script translation module and show tags document.That is, if call the API that is used for the search text data, then marking document/script module analysis marking document and execution contexts data search.Described text data is used to search for the AV data text message relevant with the AV screen with demonstration (for example, title of performer's name and script etc.).The parameter of API comprises discerning whether item text is wanted load memory whether information, promptly comprise the text (textType) and the authentication code (IDCD) of the item text of the text message that will search for.More specifically, according to present embodiment, the authentication code (IDCD) of marking document/script translation module identification text data in the request of receiving the API on the script source code, and by FindTextData, API sends textType and IDCD via the target interface module to the reproducing control module.Navigation module is searched for relevant text search table according to the text that is received.If navigation module is found the authentication code identical with the authentication code that will search for, then its searches for the start address of relevant item text, obtain requested text data, and return the transmission text data to marking document/script translation module by the target interface module.Equally, if navigation module uses FindPreviousData (n) and FindNextData (n), then it can find text data or n text data that write down afterwards of n precedence record of the position of writing down the text data that finds in the past.
Describe the API that uses in the present embodiment below in detail.
The example of＜API 〉
1. method
1.1.[ObjName].FindTextData(textType，IDCD)
1) sums up
Come search text data (character string) according to the parameter that provides by text data manager.
2) parameter
TextType=0: but the item text of load memory
1: item text that can not load memory
IDCD: authentication code
3) example
Obj, FindTextData (0,30) but // to find its IDCD in the item text of load memory be 30 item text.
1.2.[ObjName.FindPreviousData(n)]
1) sums up
Item text at n the precedence record of location finding that writes down the item text that had before found.
2) parameter
N: from n previous text of the item text that had before found
3) example
Obj.FindPreviousData (10) // find is from the item text of the 10th precedence record of the item text that had before found.
1.3.[ObjName].FindNextData(n)
1) sums up
The location finding n that writes down the item text that had before found item text that write down afterwards.
2) parameter
N: from n text afterwards of the item text that had before found
3) example
Obj.FindNextData (10) // find is from the 10th of the item text that had before the found item text of record afterwards.
2. attribute
2.1.[ObjName].TextData
1) sums up
Indicate the character string of searched item text.
2) rreturn value
Character string.
3) example
X=obj.TextData//the be replicated in searched text data on the x.
2.2.[ObjName].TextDataIDCD
1) sums up
Indicate the cognizance code value of searched item text.
2) rreturn value
Quantity
3) example
X=DvdVideo.TextDataIDCD//the be replicated in IDCD of the searched text on the x.
Based on above-mentioned configuration, the following describes reproducting method according to the preferred embodiments of the present invention.
Fig. 9 is the process flow diagram of a kind of reproducting method of explanation.
Referring to Fig. 9, in step 901, a kind of transcriber search and reading and recording reproduction control information file on dish 700.In step 902, but the reproduction control information file that transcriber reads by translation text data of buffer memory load memory only in cache memory 3.If the API request text message on the script source code in the marking document that shows, then in step 903, the text message whether transcriber identification is asked is wanted load memory.If text message will be loaded into storer, then in step 904, transcriber 200 reads relevant text data from cache memory 3.If text message is not wanted load memory, then in step 905, transcriber is from coiling 100 or read relevant text data from the outside.
Above-mentioned reproducting method can be implemented as a computer program.The code and the code segment that constitute this program can be derived easily from the computer program of association area.In addition, described program is stored in the computer-readable medium, and is read and carry out by computing machine, so that be implemented as to information storage medium recording text information with from a kind of method of information storage medium rendition of text information.Computer-readable medium comprises magnetic recording media, optical recording media and carrier media.
As mentioned above, the invention provides a kind of information storage medium and a kind of apparatus and method that are used for the information reproduction storage medium, described information storage medium has the feasible data structure of search text data easily.Therefore, can effectively utilize the storer of transcriber.In addition, the user can search for a large amount of text messages easily, just looks like his browsing WWW.As a result, if the marking document of identical content is provided or provides text message, help the recording text data according to data structure of the present invention so such as the script of video title with multilingual with multilingual.
Particularly, according to the present invention, hash table structure, concatenation list structure and binary tree structure can be used to and be used for data search easily.
Claims (12)
1. a transcriber is used for the information reproduction storage medium, and this transcriber comprises:
Reader, read AV data, marking document and the reproduction control information file that comprises voice data and video data from information storage medium, this reproduction control information file comprises text data, described text data has such data structure, promptly, wherein for being easy to search, text message is classified into the text of wanting load memory and the text of not wanting load memory;
Cache memory; With
The expression engine is used for showing the AV data at the display window by the definition of described marking document, is the text data search reproduction control information file of the cache memory of will packing into, and to the text data of cache memory cache search.
2. described transcriber as claimed in claim 1, the identification of wherein said expression engine is will pack into or load memory not by the text data of the request of the API on the script source code, if wanting in the load memory, text data reads text data from cache memory, if perhaps text data is not wanted in the load memory, then read text data from information storage medium by reader.
3. transcriber as claimed in claim 2, wherein also comprise a network data transceiver that is used for receiving marking document from the Internet, if and described text data do not want load memory, then described expression engine via described network data transceiver from the Internet receiving text data.
4. transcriber as claimed in claim 1, wherein said expression engine comprises:
The reproducing control module, search reproduction control information file;
Marking document/script translation module is translated described marking document, and the described API of translation and the script of executive logging in described marking document; With
The target interface module makes described reproducing control module and described marking document/script translation module interface by described API.
5. transcriber as claimed in claim 4, wherein said reproducing control module comprises that a search is included in the text search engine of the described text data in the described reproduction control information file, described marking document/script translation module translation and carry out described marking document and described script source code, and the text and the cognizance code of the text message that will search for that is provided by described API by marking document/script translation module are provided to described text search engine described target interface module, and return the text data that transmission is searched for to described marking document/script translation module from described text search engine.
6. transcriber as claimed in claim 5, wherein, if described text search engine is searched for a relevant text search table according to the described text that is sent by described target interface module, and the identical identification code of described identification code that finds at last and will look for, then its is searched for the start address of relevant item text and reads text data.
7. transcriber as claimed in claim 5, wherein said text search engine read from n of the position of the text data that before found of the record text data of record before or afterwards.
8. transcriber as claimed in claim 1 also comprises:
Memory buffer is used for the AV data that buffer memory reads;
The AV demoder, the AV data that are used to decode and read; With
Mixer is used to mix the AV data of being decoded, so that described AV data can be displayed on the display window that is defined by described marking document.
9. method that is used for the information reproduction storage medium, described reproducting method comprises the following steps:
Read the AV data, marking document and the reproduction control information file that comprise voice data and video data, this reproduction control information file comprises text data, described text data has such data structure, promptly, wherein for being easy to search, text message is classified into the text of wanting load memory and the text of not wanting load memory;
In display window, show the AV data by described marking document definition;
Text data search reproduction control information file for the described cache memory of will packing into;
The text data that searches is buffered in the described cache memory.
10. method as claimed in claim 9 also comprises the following steps:
Identification is by the text data of the API on the script source code request described storer of whether will packing into; With
If described text data be want load memory read described text data from described cache memory.
11. method as claimed in claim 10 also comprises the following steps:
If described text data be not want load memory read described text data from described information storage medium.
12. method as claimed in claim 10 also comprises the following steps:
If described text data be not want load memory receive described text data from the Internet.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20010065392 | 2001-10-23 | ||
| KR65392/01 | 2001-10-23 | ||
| KR65392/2001 | 2001-10-23 | ||
| JP27350/2002 | 2002-05-17 | ||
| KR27350/02 | 2002-05-17 | ||
| KR20020027341 | 2002-05-17 |
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| Publication Number | Publication Date |
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| CN1414555A CN1414555A (en) | 2003-04-30 |
| CN100380515C true CN100380515C (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021473730A Expired - Fee Related CN100380515C (en) | 2001-10-23 | 2002-10-23 | Information storage medium for easy searching text information and its reproducing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009031474A1 (en) * | 2007-09-07 | 2009-03-12 | Humming Heads Inc. | Information search system, information search method, and program |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146119A (en) * | 1995-08-25 | 1997-03-26 | 株式会社日立制作所 | Interactive recording/reproducing medium and reproducing system |
| JPH11161663A (en) * | 1997-11-28 | 1999-06-18 | Toshiba Corp | Moving picture reproduction control method and image display device applied with same |
| US5991798A (en) * | 1996-05-17 | 1999-11-23 | Hitachi, Ltd. | Package medium system having URL hyper-linked to data in removable storage |
| US6047292A (en) * | 1996-09-12 | 2000-04-04 | Cdknet, L.L.C. | Digitally encoded recording medium |
-
2002
- 2002-10-23 CN CNB021473730A patent/CN100380515C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146119A (en) * | 1995-08-25 | 1997-03-26 | 株式会社日立制作所 | Interactive recording/reproducing medium and reproducing system |
| US5991798A (en) * | 1996-05-17 | 1999-11-23 | Hitachi, Ltd. | Package medium system having URL hyper-linked to data in removable storage |
| US6047292A (en) * | 1996-09-12 | 2000-04-04 | Cdknet, L.L.C. | Digitally encoded recording medium |
| JPH11161663A (en) * | 1997-11-28 | 1999-06-18 | Toshiba Corp | Moving picture reproduction control method and image display device applied with same |
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