CN100372018C - Editing summary information management method for re-recordable optical disk - Google Patents
Editing summary information management method for re-recordable optical disk Download PDFInfo
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- CN100372018C CN100372018C CNB031420419A CN03142041A CN100372018C CN 100372018 C CN100372018 C CN 100372018C CN B031420419 A CNB031420419 A CN B031420419A CN 03142041 A CN03142041 A CN 03142041A CN 100372018 C CN100372018 C CN 100372018C
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Abstract
The present invention relates to an editing summary information managing method for a re-recordable optical disc. On a file structure of a high-density re-recordable optical disc (BD-RW), the editing summary information of an actual playing list file, a virtual playing list file and a cutting formation file is independently recorded and managed, wherein the actual playing list file is connected with the virtual playing list file; thereby, when the editing operations, such as whole or partial deletion of any play list selected and designated by a user, additional recording of new play lists, etc., can be carried out, the editing summary information is searched and referred, and the corresponding editing operations are rapidly carried out according to the users' requirements.
Description
(1) technical field
The present invention is that the editor of relevant re-recordable optical disc uses the summary info management method, will realize that especially editor has a plurality of files that related linkage record mutually on the file structure of recording mediums such as high density re-recordable optical disc rapidly.
(2) background technology
Recently, can store a large amount of high image quality video datas and the new high-density re-recordable optical disc of high tone quality voice data, for example " blu-ray disc rewritable " (hereinafter to be referred as BD-RW), universalness rapidly, popularizing of its Related product also is expected to realize thereupon.
Fig. 1 is the optical disc apparatus part-structure synoptic diagram in the video disc CD writer of carrying out signal record and broadcast such as recording mediums such as BD-RW.Its structure of above-mentioned optical disc apparatus comprises: light picker 2, read the data stream that signal or record obtain after treatment from external input signal on recording mediums such as BD-RW 1; VDR system 3, the signal that above-mentioned light picker 2 is read carries out the play signal processing or the data stream that the outside is imported is converted to the data stream that is fit to record; Scrambler 4 is encoded the simulating signal of outside input and is input to above-mentioned VDR system 3.
In addition, the playlist information that record respectively exists is read in a plurality of play list file of recording storage in the recording medium 1 such as above-mentioned BD-RW in optical disc apparatus retrieval with above-mentioned formation, as shown in Figure 2, be shown on the picture by the televisor that links together as user's choice menus, the user selects playlist arbitrarily according to the personal like by above-mentioned user's choice menus.
Thereby the VDR system 3 of above-mentioned optical disc apparatus can read and play the data stream that the user selects the pairing respective program of any one playlist of appointment by said process, perhaps carries out a series of play operation and editing operation.
In addition, Fig. 3 is the file structure figure of re-recordable optical disc (BD-RW).Above-mentioned BD-RW uses: more than one at least DVR catalogue (DVR directory) is set below the uppermost root directory (Root directory), " info.dvr " file and a plurality of " memu.tidx " file are set below it, and " mark.tidx " file, include a plurality of play list file (* .rpls simultaneously, * playlist sub-directory (playlistsubdirectory) .vpls) and include the clip information sub-directory (clipinf subdirectory) of a plurality of montages (clip) message file (* .clpi) and include so specific glue file structure with the data stream sub-directory (stream subdirectory) of the corresponding a plurality of record data stream files of each clip files (* .m2ts).
Thereupon, the record data stream file that comprises record in the above-mentioned data stream sub-directory, such as the various Play Control information of ' 01001.m2ts ' file and ' 02002.m2ts ' file respectively recording storage in above-mentioned clip information sub-directory in ' 01001.clpi ' file and ' 02002.clpi ' file, and in " 01001.rpls " file of can stored record in above-mentioned playlist sub-directory, comprising of the playlist information that is connected broadcast and playing sequence that determines ' 01001.m2ts ' file with ' 02002.m2ts ' file above-mentioned.
Therefore, the above-mentioned record data stream file of Play Control (* .m2ts) is gone up the clip information file (* .clpi) of A/V data stream of record and playing catalog file (* .rpls, * .vpls) and is possessed interdependence and linkage record together.
Such as shown in Figure 4, first clip information file (clip info file 1) can be connected respectively on first actual playlist file (real playlist 1) and the first virtual playlist file (virtualplaylist 1).First actual playlist file (real playlist 1) and the first virtual playlist file (virtual playlist 1) can be connected respectively on first and second clip information file (* .clpi).In the middle of the VDR of above-mentioned optical disc apparatus system, during according to all or part of deletion first actual playlist file of customer requirements (real playlist 1), after first and second clip information file (* .clpi) that affirmation and the above-mentioned first actual playlist file (real playlist 1) link together, in order to retrieve the affirmation virtual playlist that links together of first and second clip information file (* .clpi) therewith, carry out retrieval successively confirms to comprise all virtual playlist files (* .vpls) of record in above-mentioned playlist sub-directory sequence of operations.
Carry out above-mentioned search operaqtion, retrieve the virtual playlist that links together with above-mentioned first and second clip information file after, whether optical disc apparatus can will delete first virtual playlist to user's query.If this first virtual playlist and above-mentioned first actual playlist are just deleted in the deletion of user's certain claim, can normally realize deleting the whole or a part of of first actual playlist according to user's requirement then.
But, as mentioned above, in order to select any one actual playlist of appointment to delete editor to the user, need retrieve affirmation one by one to all virtual playing catalog files (* .vpls) that comprise in the playlist sub-directory, so there is the problem that to edit rapidly.
In addition, if the user need carry out the additional record of new playlist or need to carry out appending of playlist in separating editing operation generating when writing down, in above-mentioned VDR system 3, first record format on the file structure of above-mentioned BD-RW, such as inlet (entry) number of the number of playitems playitem (PlayItem) and entrance mapping (Entry pointmap) and program sequencing (program sequence) number etc. all have prior setting restriction.In order to be suitable for the record format of this BD-RW, during the additional record playlist, to need retrieval successively to confirm all play list file and clip information file, thereby determine whether appending of above-mentioned playlist, so there is the problem that to edit rapidly.
(3) summary of the invention
The present invention carries out in order to address the above problem just.Purpose of the present invention just is to provide the summary info that is used to edit in a kind of re-recordable optical disc management method.It can realize that actual playlist file (realplaylist), virtual playlist file (virtual playlist) and clip information (ClipInformation) file of the linkage record with interdependence that exists on the file structure to re-recordable optical disc edit rapidly.
To achieve these goals, the editor of re-recordable optical disc of the present invention uses the summary info management method, be characterized in comprising with the next stage: the phase one, record the actual playlist file on the file structure in the re-recordable optical disc respectively, virtual playlist file and clip information file, the editor who generates this three class file uses summary info; Subordinate phase records the editor of above-mentioned generation than in the higher leveled specific file of above-mentioned three class files with summary info.
The present invention can also realize in the following manner, the editor of re-recordable optical disc of the present invention uses the summary info management method, be characterized in comprising with the next stage: the phase one, record the actual playlist file on the file structure in the re-recordable optical disc respectively, virtual playlist file and clip information file, the editor of search records in the different other file in three class file memory locations therewith uses summary info, and described editor is according to the actual playlist file of record and clip information file and virtual playlist file generate separately respectively on the file structure of re-recordable optical disc with summary info; Subordinate phase, the editor who obtains with reference to above-mentioned retrieval uses summary info, carries out edit play list according to customer requirements.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the optical disc apparatus part-structure synoptic diagram in the video disc CD writer of carrying out signal record and broadcast such as recording mediums such as BD-RW.
Fig. 2 is the playlist menu display frame of re-recordable optical disc (BD-RW).
Fig. 3 is the file structure figure of re-recordable optical disc (BD-RW).
Fig. 4 is the actual playlist file (real playlist) of re-recordable optical disc (BD-RW) and the connection status figure between virtual playlist file (virtual playlist) and clip information (clip info) file.
Fig. 5 has edited with addition record in the summary info management method editor with summary info (tableof fast edit info) for the present invention ' grammer (Syntax) figure of info.dvr ' file.
Fig. 6 edits the details figure that uses summary info for the present invention.
Fig. 7 has editor's summary info for the present invention edits with addition record among another embodiment of summary info management method ' syntax graph of info.dvr ' file.
Fig. 8 edits the file structure figure that uses the summary info file with another embodiment inediting of summary info management method for the present invention.
(5) embodiment
The present invention at first, has as shown in Figure 6 edited with addition record in the summary info management method editor with summary info (table of fast edit info) ' grammer (Syntax) figure of info.dvr ' file.Comprising in the file structure of re-recordable optical disc BD-RW1 in " info.dvr " file of record has manufacturer's data (makers private data) posting field, and this zone can be write down the multiple information that the manufacturer of this BD-RW wishes arbitrarily.Editor of the present invention is that block (data block) in above-mentioned manufacturer data area goes up editor of independent addition record with summary info (table offast edit info (i)) with the summary info management method.
Editor with summary info (table of fast edit info (i)) with summary form record management be useful on comprise on the playlist sub-directory in the file structure of above-mentioned BD-RW information that the clip information file that comprises record in a plurality of actual playlist files (* .rpls) of record and virtual playlist file (* .vpls) and clip information (CLIPINF) sub-directory interconnects record with determining whether playlist that additional record is new necessary information.
For example, above-mentioned editor has playitems playitem (play item) full detail (total-n-of-ply items) that determines whether the new playlist of additional record with recording storage in the summary info, inlet (entry) full detail (total-n-of-EP-coarse/fine-entries) of entrance (entrypoint), the full detail of program sequencing (total-n-of-program-sequences), and the full detail of these information (total-n-info).Also record quantity (n-of-real-playlist) information of actual playlist file and the index (real-play list-file-index) or the filename of each actual playlist file, and with the quantity (n-of-ref-to-clip) of the clip information file of this actual playlist file linkage record and the index (clip-info-file-index) or the filename of this clip information file.
In addition; Above-mentioned editor with in the summary info also record store quantity (n-of-clip-info-real-play list) and this clip information file index (clip-info-file-index) or filename with the clip information file of actual playlist linkage record, and with the quantity (n-of-ref-to-virtual-play list) of the virtual playlist file of clip information file linkage record and this virtual playlist file in the write protection mark (write-protect-flag) that comprises and index (virtual-play list-file-index) or the filename of virtual playlist file.
In addition, above-mentioned index information is to convert the respective file name to value that integer obtains to carry out recording storage, such as file is by name ' file of 0037.cpli ' carries out stored record after being converted to index=37.
In addition, above-mentioned editor is with also comprising the record start address information (clip info-in-real-playlist-start-address) that records the clip information that is connected with above-mentioned actual playlist in the summary info.Above-mentioned initial address message (IAM) as shown in Figure 6, begins to the quantity information of the clip information file that is connected with above-mentioned actual playlist file with 1 byte of summary info from editor, and its relative byte number can be used as address information and carries out recording storage.
Therefore, use the summary info management method, the grammer of the file structure of BD-RW shown in Figure 3 and ' grammer of info.dvr ' file still be applicable to addition record editor with summary info ' info.dvr ' according to the editor of re-recordable optical disc of the present invention.
In addition, as the VDR system 3 of preceding reference optical disc apparatus shown in Figure 1 in the middle of, retrieval is with reference to above-mentioned ' editor that comprises record in manufacturer's data (makers private data) posting field of info.dvr ' file use summary info, read rapidly confirm and the clip information file of actual playlist linkage record and virtual playlist file for information about.In addition, can find inlet (entry) quantity, program sequencing quantity of the quantity of the playitems playitem that is used to determine whether to write down new playlist and entrance (entry point) etc. rapidly with summary info by retrieving above-mentioned editor.
For example, in the above-mentioned VDR system 3, with reference to shown in Figure 4, according to the user require the above-mentioned first actual playlist file of all or part of deletion of needs the time, use summary info with reference to above-mentioned editor, retrieve first and second clip information file that affirmation is connected with above-mentioned first actual playlist rapidly.Needn't retrieve simultaneously first virtual playlist of confirming with the first and second clip information file linkage records successively, and all the virtual playlist files (* .vpls) that comprise record in the above-mentioned playlist sub-directory just can retrieve above-mentioned editor rapidly and use summary info.
And; confirm to be used to prevent the write protection mark (write-protect-flag) of the problems such as reference record of the above-mentioned first virtual playlist file from the retrieval of above-mentioned editor's summary info; and confirm whether will delete or reference record to the user rapidly to this first virtual playlist; when receiving user's erasure request; just carry out a series of deletion actions, thereby also just can promptly carry out all or part of deletion according to customer requirements to first actual playlist to this first virtual playlist and above-mentioned first actual playlist.
That is, delete editor, can dispense the search operaqtion that retrieval successively confirms to comprise in the playlist sub-directory all virtual playlist files (* .vpls) of record, realize editor fast for any one actual playlist of the user being selected appointment.
In addition, above-mentioned VDR system 3 is according to the new playlist of customer requirements additional record, perhaps playlist separates and to append in the editing operation when generating and writing down new playlist, retrieve quantity and the inlet quantity of entrance mapping and the quantity of program sequencing of the playitems playitem that comprises in the above-mentioned editor's summary info of affirmation rapidly, thereby determine whether the additional record playlist.
Promptly, the record format of BD-RW is to set quantity and the inlet quantity of entrance mapping and the quantity of program sequencing of the above-mentioned playitems playitem of restriction in advance, in order to be suitable for the record format of BD-RW, when the additional record playlist, can retrieve successively and confirm all play list file and clip information file, can realize the above-mentioned playlist of additional record rapidly then.
In addition, Fig. 7 has editor's summary info for the present invention edits with addition record among another embodiment of summary info management method ' grammer (Syntax) figure of info.dvr ' file.Other zone beyond above-mentioned manufacturer data (makersprivate data) posting field, such as independent addition record between playlist directory information recording area shown in Figure 7 and the manufacturer's data recording area.
In this case, above-mentioned editor is with by the independent record start address information of addition record with summary info, and promptly editor manages in the info.dvr file with the record start address information (table of fast editinfo-start-address) of summary info and record start address information (makersprivate data-start-address) common storage of above-mentioned playlist directory recording of information initial address message (IAM) (table ofplay lists-start-address) and manufacturer's data.
Therefore, in above-mentioned VDR system, can retrieve and, just can inquire the recording address of above-mentioned editor with the independent extra storage of summary info with reference to the record start address information of editor's summary info of addition record in the above-mentioned info.dvr file.
And, the editor of independent addition record uses summary info between retrieval and the above-mentioned playlist directory information recording area of reference and the manufacturer's data recording area, read about and the information of the clip information file of play list file linkage record and virtual playlist file and confirming, then as previously mentioned, carry out editing operation rapidly according to customer requirements.
In addition, as shown in Figure 8, on the file structure of above-mentioned BD-RW, above-mentioned editor's summary info also can be with the fully independently message file different with " info.dvr ", such as " table of fast editInfo.Info " file addition record.
The editor of the invention described above re-recordable optical disc has very high use value with the summary info management method.It is on the file structure of high density re-recordable optical disc (BD-RW), with the editor of the actual playlist file that links together and virtual playlist file and clip information file with summary info (table of fast edit info) record management separately, thereby can be when all or part of deletion user selects any one playlist of appointment or the new editing operations such as playlist of additional record to carry out, search is used summary info with reference to above-mentioned editor, carries out corresponding editing operation rapidly according to customer requirements.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense, so be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the distortion of the above embodiment.
Claims (12)
1. the editor of a re-recordable optical disc uses the summary info management method, it is characterized in that comprising with the next stage:
Phase one, the actual playlist file of record and the editor of clip information file and virtual playlist file use summary info separately respectively on the file structure of generation re-recordable optical disc;
Subordinate phase records the editor of above-mentioned generation than in the higher leveled specific file of above-mentioned three class files with summary info.
2. the editor of re-recordable optical disc as claimed in claim 1 uses the summary info management method, it is characterized in that: above-mentioned editor is stored in summary info in the DVR catalogue below the top root directory in the file structure of above-mentioned re-recordable optical disc ' info.dvr ' file in.
3. the editor of re-recordable optical disc as claimed in claim 2 uses the summary info management method, it is characterized in that: above-mentioned editor is to comprise the manufacturer's data recording area that is recorded in above-mentioned ' info.dvr ' file with summary info.
4. the editor of re-recordable optical disc as claimed in claim 2 uses the summary info management method, it is characterized in that: described editor is newly to establish additional record to use summary info to the editor in above-mentioned ' info.dvr ' file with summary info.
5. the editor of re-recordable optical disc as claimed in claim 4 uses the summary info management method, it is characterized in that: comprise in above-mentioned ' info.dvr ' file and record expression and newly establish the address information of the above-mentioned editor of additional record with the recording address of summary info.
6. the editor of re-recordable optical disc as claimed in claim 1 uses the summary info management method, it is characterized in that: above-mentioned editor is newly to establish additional record in the file structure of above-mentioned re-recordable optical disc in the DVR catalogue below the highest root directory as editor with the summary info file with summary info.
7. the editor of re-recordable optical disc as claimed in claim 1 uses the summary info management method, it is characterized in that: above-mentioned summary info comprises the quantity that records playitems playitem and the inlet quantity of entrance, and the quantity information of program sequencing.
8. the editor of re-recordable optical disc as claimed in claim 1 uses the summary info management method, it is characterized in that: above-mentioned editor comprises with summary info, comprises the write protection mark of record in recording above-mentioned virtual playlist file.
9. the editor of a re-recordable optical disc uses the summary info management method, it is characterized in that comprising with the next stage:
Phase one, record actual playlist file, virtual playlist file and clip information file on the file structure in the re-recordable optical disc respectively, the editor of search records in the different other file in three class file memory locations therewith uses summary info, and described editor is according to the actual playlist file of record and clip information file and virtual playlist file generate separately respectively on the file structure of re-recordable optical disc with summary info;
Subordinate phase, the editor who obtains with reference to above-mentioned retrieval uses summary info, carries out edit list according to customer requirements.
10. the editor of re-recordable optical disc as claimed in claim 9 uses the summary info management method, it is characterized in that: the above-mentioned phase one be meant the retrieval reading and recording in the file structure of above-mentioned re-recordable optical disc in the DVR catalogue under the highest root directory ' editor in info.dvr ' file uses summary info.
11. the editor of re-recordable optical disc as claimed in claim 10 uses the summary info management method, it is characterized in that: the above-mentioned phase one is meant the playlist summary info in manufacturer's data recording area of retrieval reading and recording in above-mentioned ' info.dvr ' file.
12. the editor of re-recordable optical disc as claimed in claim 9 uses the summary info management method, it is characterized in that: the above-mentioned phase one is meant that retrieval is read and is recorded in as the independent information file appending that the editor in the DVR catalogue under the highest root directory uses summary info in the file structure of above-mentioned re-recordable optical disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031420419A CN100372018C (en) | 2003-08-04 | 2003-08-04 | Editing summary information management method for re-recordable optical disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031420419A CN100372018C (en) | 2003-08-04 | 2003-08-04 | Editing summary information management method for re-recordable optical disk |
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| Publication Number | Publication Date |
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| CN1581349A CN1581349A (en) | 2005-02-16 |
| CN100372018C true CN100372018C (en) | 2008-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031420419A Expired - Fee Related CN100372018C (en) | 2003-08-04 | 2003-08-04 | Editing summary information management method for re-recordable optical disk |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060218187A1 (en) * | 2005-03-25 | 2006-09-28 | Microsoft Corporation | Methods, systems, and computer-readable media for generating an ordered list of one or more media items |
| US8644682B2 (en) * | 2005-08-29 | 2014-02-04 | Sony Corporation | Playable content |
| JP5135733B2 (en) * | 2006-08-10 | 2013-02-06 | ソニー株式会社 | Information recording apparatus, information recording method, and computer program |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5924071A (en) * | 1997-09-08 | 1999-07-13 | Sony Corporation | Method and apparatus for optimizing a playlist of material |
| CN1279480A (en) * | 1999-06-23 | 2001-01-10 | Lg电子株式会社 | Data recording method for rewriting recording media |
| CN1287667A (en) * | 1998-11-02 | 2001-03-14 | 松下电器产业株式会社 | Data transmitting / receiving device |
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2003
- 2003-08-04 CN CNB031420419A patent/CN100372018C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5924071A (en) * | 1997-09-08 | 1999-07-13 | Sony Corporation | Method and apparatus for optimizing a playlist of material |
| CN1287667A (en) * | 1998-11-02 | 2001-03-14 | 松下电器产业株式会社 | Data transmitting / receiving device |
| CN1279480A (en) * | 1999-06-23 | 2001-01-10 | Lg电子株式会社 | Data recording method for rewriting recording media |
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