CN1674138A - Document system for mixed optical disc - Google Patents
Document system for mixed optical disc Download PDFInfo
- Publication number
- CN1674138A CN1674138A CN 200410031760 CN200410031760A CN1674138A CN 1674138 A CN1674138 A CN 1674138A CN 200410031760 CN200410031760 CN 200410031760 CN 200410031760 A CN200410031760 A CN 200410031760A CN 1674138 A CN1674138 A CN 1674138A
- Authority
- CN
- China
- Prior art keywords
- file
- storage area
- pointer
- storage
- file system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
A file system of mixed optical disc comprises a nonvariable storage unit for storing the first part file and a variable storage unit for storing the second part file. A file system including correlated information of the first part file and the second part file is also stored in variable storage unit so content of file system may be revised correspondingly when new file is written in on the variable storage unit.
Description
Background technology
The present invention relates to a kind of storage medium, the method that is stored in the file system on this medium and plays this storage medium particularly, relates to a kind of hybrid disc, the method that is stored in the file system on this CD and plays this CD.
Along with the development of CD and CD burning technology, many dissimilar CDs have appearred.Hybrid disc is exactly wherein a kind of.Hybrid disc can comprise two parts: can not change part (un-updatable part) (promptly, read-only storage area (read-only or recordable storage part)) and variable part (updatable part) (that is erasable storage area (rewritable storage part)).
But the read-only part in the hybrid disc and erasable part be storage file all.This just needs a kind of novel file system, can write down the information relevant with these files, can comprise filename, directory name, and the start address that is used for each memory paragraph of storage file.
Below, introduce the file system structure of read-only optical disc in the prior art earlier.
Fig. 2 illustrates the logical organization synoptic diagram of read-only optical disc in the prior art.As shown in Figure 2, read-only optical disc comprises a storage unit of being pointed to by pointer 4, this cell stores pointer 5.Wherein, pointer 4 is (for example UDF file system) by the file system standard defined of read-only optical disc.The start address of the file system 2 place memory paragraphs of pointer 5 expression read-only optical discs.The file system 2 of read-only optical disc comprises header data, for example, and PVD (Primary VolumeDescriptor), filename, directory name etc.; And the start address that is used for each file storage of storage file, for example, address A, address B, address C, etc.Wherein, each start address (address A, address B, address C, or the like) point to respectively each file storage (file A, file B, file C, or the like).
File system 2 described above is the structures with reference to UDF (universal disc format) file system.Certainly, also there are alternative document system architecture, for example ISO9660 in the prior art.Here just do not given unnecessary details one by one.
Summary of the invention
One of purpose of the present invention provides a kind of hybrid disc, and this CD has a kind of file system of novel and effective.
According to a first aspect of the invention, the invention provides a kind of storage medium, comprising: one can not be changed storage area, is used to store the first part file; With a variable storage area, be used to store the second portion file, wherein, this variable storage area is also stored a file system, comprises and the described first part file information relevant with the second portion file.
According to a second aspect of the invention, the present invention also provides a kind of storage medium, comprising: one can not be changed storage area, is used to store the first part file; With a variable storage area, be used to store the second portion file, wherein, the described storage area that can not change is also stored first file system, comprises and the relevant information of the described first part file; Also store second file system with described variable storage area, comprise and the described first part file information relevant with the second portion file.
The present invention also provides a kind of method that is used to play aforesaid storage medium, comprises step: select play mode, this play mode comprises that only broadcast can not be changed the storage area pattern and be play whole storage medium pattern; According to selected play mode, by described first pointer and the 4th pointer, read file respectively from described storage medium; The file that reads is decoded; Play with realization through the file of decoding with output.
By the content below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present invention, other purpose of the present invention and effect will become and know more and easy to understand.
Description of drawings
With reference to the accompanying drawings, by following specific descriptions, of the present invention above-mentioned apparent with other features general to preferred embodiment of the present invention.Wherein, the same numeral in the accompanying drawing is done corresponding expression.
Fig. 1 illustrates the logical organization synoptic diagram of the hybrid disc of the preferred embodiment according to the present invention; With
Fig. 2 illustrates the logical organization synoptic diagram according to read-only optical disc in the prior art.
Embodiment
Fig. 1 illustrates the structural representation of the hybrid disc of preferred embodiment according to the present invention.
This hybrid disc comprises read-only part and erasable part.Read-only part comprises the storage unit of being pointed to by pointer 1, this unit storage pointer 2.Wherein, pointer 1 can be predefined address, and is common to any CD.Read-only part also comprises a plurality of read-only file memory paragraphs, is used to store read-only file 1A, file 1B, file 1C, or the like.Address 1A, address 1B, address 1C... represent the start address of these file storage respectively.
Erasable part comprises a storage unit of being pointed to by pointer 2, this unit storage pointer 3.Pointer 3 points to the start address that is stored in the file system 1 in the erasable part.Erasable part also comprises a plurality of erasable file storage, is used to store erasable file 2A, file 2B, file 2C, or the like.File system 1 adopts the UDF structure,, comprises header data that is, for example, and PVD, filename, directory name etc.; And the start address of each file storage, comprise the start address of read-only file memory paragraph and erasable file storage, for example, address 1A, address 1B, 1C... address, address 2A, address 2B, address 2C... etc.Certainly, file system 1 also can adopt other structures, as in the prior art.
Because the file system of as shown in Figure 1 hybrid disc is to be stored in the erasable part rather than in the read-only part, therefore, people can be as required increase, delete with change file in file system is made corresponding increase, deletes and is changed.For example, in erasable part, the file 1A that is stored in read-only part is upgraded, produce new file 1A ', and do not wish to play ancient deed 1A.This just need replace the address of ancient deed 1A with the address of new file 1A ' in file system 1.Like this, when playing, ancient deed 1A has just been replaced by new file 1A ' fully.
In the above-described embodiments, used a relevant information that file system is come the All Files of recording storage on whole hybrid disc.The integrality that like this, has promptly guaranteed fileinfo has also been saved storage space.
When broadcast has the hybrid disc of logical organization as shown in Figure 1, at first, find pointer 2 according to default pointer 1.Wherein, pointer 1 all is known and unique for all players of playing hybrid disc.Then, find pointer 3, and find file system 1, and from read-only part and erasable part, read corresponding file respectively according to file system 1 according to pointer 3 according to pointer 2.Subsequently, these files are decoded and play.
This shows that owing to when playing, always earlier begin to seek pointer from read-only part, therefore, pointer 2 is bridges of realizing jumping to from read-only part erasable part.
More than be the description to preferred embodiment of the present invention, those skilled in the art that will be understood that according to the inventive principle that is disclosed, and are feasible and drop in the scope of appended claim for other changes of the present invention.For example, also can store the read-only file system that is used to write down the information relevant with read-only file in the read-only part of hybrid disc, the concrete structure of this document system as shown in Figure 2.In this case, read-only part also need comprise the storage unit of being pointed to by default pointer 4, is used to store pointer 5.And pointer 5 points to the start address of read-only file system.This is consistent with prior art with reference to Fig. 2.And when playing this hybrid disc, it is only to play read-only part that the user at first will select, and still plays whole CD.If select to play read-only part, as in the prior art, at first, find pointer 5, and find read-only file system so according to pointer 5 according to pointer 4.Then, read read-only file according to read-only file system.If be used for select playing whole CD, the process of Bo Fanging is as above with reference to the description of Fig. 1 so.Here just no longer repeat.
In addition, pointer 1 and 2 can be omitted, perhaps pointer 3 can be omitted.In the previous case, pointer 3 is predefined addresses.When playing, player directly finds file system 1 by pointer 3.And under latter event, pointer 2 directly points to the start address of file system 1.When playing, player finds pointer 2 by pointer 1, and finds file system 1 by pointer 2.Certainly, these or other variation all should drop in the appended claim scope.
Claims (18)
1. storage medium comprises:
One can not be changed storage area, is used to store the first part file; With
A variable storage area is used to store the second portion file,
Wherein, this variable storage area is also stored a file system, comprises and the described first part file information relevant with the second portion file.
2. storage medium as claimed in claim 1, wherein, the information relevant with the second portion file with the described first part file comprises the title and the start address of described file.
3. storage medium as claimed in claim 1 or 2, wherein, the described storage area that do not change comprises that also wherein this first module is stored second pointer by first storage unit of the first default pointed.
4. storage medium as claimed in claim 3, wherein, described variable storage area also comprises second storage unit by described second pointed, this second cell stores the 3rd pointer, wherein the 3rd pointer is represented the start address of described file system.
5. storage medium comprises:
One can not be changed storage area, is used to store the first part file; With
A variable storage area is used to store the second portion file, wherein,
The described storage area that can not change is also stored first file system, comprises and the relevant information of the described first part file; With
Described variable storage area is also stored the second portion file system, comprises and the described first part file information relevant with the second portion file.
6. storage medium as claimed in claim 5, wherein, the information relevant with the second portion file with the described first part file comprises the title and the start address of described file.
7. as claim 5 or 6 described storage mediums, wherein, the described storage area that do not change comprises that also wherein second pointer is stored in this unit by first storage unit of the first default pointed.
8. storage medium as claimed in claim 7, wherein, described variable storage area also comprises second storage unit by described second pointed, this cell stores the 3rd pointer, wherein the 3rd pointer is represented the start address of described second file system.
9. storage medium as claimed in claim 8, the wherein said storage area that can not change also comprises the 3rd storage unit by the 4th default pointed, this storage unit is used to store the five fingers pin, and wherein said the five fingers pin is represented the start address of described first file system.
10. method of making a storage medium comprises step:
Format described storage medium, this medium comprises a variable storage area that can not change storage area and be used to store the second portion file that is used to store the first part file; With
Write down a file system on described variable storage area, this document system comprises and the described first part file information relevant with the second portion file.
11. method as claimed in claim 10, wherein, the information relevant with the second portion file with the described first part file comprises the title and the start address of described file.
12. as claim 10 or 11 described storage mediums, wherein, the described storage area that do not change comprises that also wherein second pointer is stored in this unit by first storage unit of the first default pointed.
13. storage medium as claimed in claim 12, wherein, described variable storage area also comprises second storage unit by described second pointed, this cell stores the 3rd pointer, and wherein the 3rd pointer is represented the start address of described file system.
14. a method of making a storage medium comprises step:
Format described storage medium, this medium comprises a variable storage area that can not change storage area and be used to store the second portion file that is used to store the first part file;
Write down first file system and can not change on the storage area described, this document system comprises and the relevant information of the described first part file; With
Write down second file system on described variable storage area, this document system comprises and the described first part file information relevant with the second portion file.
15. method as claimed in claim 14, wherein, the information relevant with the second portion file with the described first part file comprises the title and the start address of described file.
16. as claim 14 or 15 described methods, wherein, the described storage area that do not change comprises that also wherein second pointer is stored in this unit by first storage unit of the first default pointed.
17. method as claimed in claim 16, wherein, described variable storage area also comprises second storage unit by described second pointed, this cell stores the 3rd pointer, and wherein the 3rd pointer is represented the start address of described second file system.
18. method as claimed in claim 17, the wherein said storage area that can not change also comprises the 3rd storage unit by the 4th default pointed, this storage unit is used to store the five fingers pin, and wherein said the five fingers pin is represented the start address of described first file system.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410031760 CN1674138A (en) | 2004-03-23 | 2004-03-23 | Document system for mixed optical disc |
| PCT/IB2005/050779 WO2005093753A1 (en) | 2004-03-23 | 2005-03-03 | File system of hybrid disc |
| TW094106821A TW200632885A (en) | 2004-03-23 | 2005-03-07 | File system of hybrid disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410031760 CN1674138A (en) | 2004-03-23 | 2004-03-23 | Document system for mixed optical disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1674138A true CN1674138A (en) | 2005-09-28 |
Family
ID=34960641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410031760 Pending CN1674138A (en) | 2004-03-23 | 2004-03-23 | Document system for mixed optical disc |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1674138A (en) |
| TW (1) | TW200632885A (en) |
| WO (1) | WO2005093753A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7577691B2 (en) | 2006-08-02 | 2009-08-18 | Microsoft Corporation | Extending hierarchical synchronization scopes to non-hierarchical scenarios |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2888958B2 (en) * | 1990-10-20 | 1999-05-10 | 富士通株式会社 | File management method for partially rewritable storage media |
| JP2881092B2 (en) * | 1993-05-25 | 1999-04-12 | 富士通株式会社 | File management method for exchangeable storage medium |
| JP2001273182A (en) * | 2000-03-24 | 2001-10-05 | Pioneer Electronic Corp | Hybrid recording medium and information recorder |
-
2004
- 2004-03-23 CN CN 200410031760 patent/CN1674138A/en active Pending
-
2005
- 2005-03-03 WO PCT/IB2005/050779 patent/WO2005093753A1/en active Application Filing
- 2005-03-07 TW TW094106821A patent/TW200632885A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TW200632885A (en) | 2006-09-16 |
| WO2005093753A1 (en) | 2005-10-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3355333B2 (en) | Compact disk recording apparatus and method | |
| RU2485609C2 (en) | Method of recording information on write-once medium | |
| JP4015599B2 (en) | Playlist management apparatus and method | |
| CN100452029C (en) | Method and system for managing media file database | |
| US7630284B2 (en) | Information-recording apparatus, information-recording method, program storage medium and program | |
| EP1531477A1 (en) | Information recording/reproducing apparatus infornation recording reproducing method program storage medium and program | |
| CN101057286B (en) | Method and apparatus for reproducing a data recorded in recording medium using a local storage | |
| CN1280824C (en) | Recording medium and method and equipment for reproducing same | |
| JP2007531175A (en) | Recording / reproducing apparatus, reproducing apparatus, recording / reproducing method, reproducing method, program, and recording medium | |
| CN1759446A (en) | The information storage medium with data structure and the method and apparatus thereof that are reproduced adaptively according to the player log-on message | |
| US7859958B2 (en) | Information-recording apparatus, information-recording method, program storage medium and program | |
| US20030194208A1 (en) | Method for copying, recording, and editing data onto disk recording media, and disk recording apparatus | |
| US20090116349A1 (en) | Information recording device and method, program storage medium, and program | |
| KR100392508B1 (en) | Method for displaying directory management information in DVD player | |
| KR100514733B1 (en) | Information storage medium, reproducing method, and reproducing apparatus for supporting interactive mode | |
| KR100871110B1 (en) | File management method, program thereof, recording medium containing the program, and file management apparatus for performing the method | |
| CN1674138A (en) | Document system for mixed optical disc | |
| JP2006127571A (en) | Disk reproducing apparatus | |
| KR100429259B1 (en) | File playing method in audio system | |
| CN1602059A (en) | Audio file selective playing method having catalogue structure | |
| JP2008527582A (en) | How to change operations on a storage medium from the current file system to a new or updated file system | |
| KR100256643B1 (en) | Roadmap file display method in dvdr system | |
| US20070019927A1 (en) | Rewritable record carrier | |
| CN1871656A (en) | Method of managing and reproducing additional audio files of an interactive optical disc | |
| US20070002698A1 (en) | Recorder, recording method, player, and playback method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |