CN1615008A - Playing catalogue managing method for re-recording disk - Google Patents
Playing catalogue managing method for re-recording disk Download PDFInfo
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- CN1615008A CN1615008A CN 200310108412 CN200310108412A CN1615008A CN 1615008 A CN1615008 A CN 1615008A CN 200310108412 CN200310108412 CN 200310108412 CN 200310108412 A CN200310108412 A CN 200310108412A CN 1615008 A CN1615008 A CN 1615008A
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Abstract
The method includes following steps:data flow with time continuity and taking clip as unit is recorded on the rewritten disc; the identifying message that is the above data flow can not be partly deleted or edited is added into the play list. According to the above identifying message, the editing operation of user will be limited.
Description
(1) technical field
The invention relates to the playing catalog management method of re-recordable optical disc.Refer in particular to the playing catalog management method of a kind of re-recordable optical disc of the part deletion of the video of record storage on the recording mediums such as being used for preventing re-recordable optical disc and audio data stream and editor.
(2) background technology
Recently, new high-density re-recordable optical disc along with the voice data that can write down storage video data of a large amount of high image quality and high tone quality, such as " Blu-ray disc rewritable " (below be called, the development rapidly of normalized production BD-RW), the exploitation of its Related product listing and popularized a general orientation into current development.
Fig. 1 is the signal record of CD such as BD-RW and the part-structure figure of required video disc transcripter VDR optical disc apparatus such as (Video Disc Recorder) when playing.Above-mentioned optical disc apparatus comprises following structure: light picker 2, read the signal of record on the CD 1 such as BD-RW or the record data flow from the process signal processing of outside input; VDR system 3, the signal that above-mentioned light picker 2 is read carries out the play signal processing, perhaps the data flow of outside input is carried out signal processing and be converted into the data flow that is fit to write down, the operating state of VDR system 3 is by the control signal control of operator's input; Encoder 4 is decoded the analog signal of outside input, carries above-mentioned VDR system 3.
In addition, the A/V data flow of each cut-parts of record storage on the above-mentioned BD-RW CD 1, such as the A/V data flow of the 1st cut-parts that each record with time continuity is stored, promptly, the A/V data flow of Clip 1 A/V data flow (CLIP1 A/V STREAM) and the 2nd cut-parts, promptly, Clip 2 A/V data flow (CLIP 2 A/VSTREAM), as shown in Figure 2, by first actual play catalogue (Real playlist 1) and the second actual play catalogue (Real playlist 2) that includes the Play Control information that reads broadcast of controlling this A/V data flow, carry out record management.
And, can be play by the random selection of the user edlin of going forward side by side in order to make the above-mentioned actual play catalogue that is recorded management, the VDR system 3 of above-mentioned optical disc apparatus generates record virtual playing catalogs (Virtual playlist).In the above-mentioned virtual playing catalog (virtual playlist), as shown in Figure 2, the sub-playitems playitem (sub play item) (being used to read the Clip 2 A/V data flow of playing the 2nd cut-parts that are connected with the above-mentioned second actual play catalogue) of playitems playitem (Play Item) of the main path of record management simultaneously (being used to read the Clip 1 A/V data flow of playing first cut-parts that are connected with the above-mentioned first actual play catalogue) and subpath.
Therefore, in the middle of the VDR of above-mentioned optical disc apparatus system 3, the Clip 1A/V data flow that the above-mentioned first actual play catalogue is connected reads in the process that a series of play operation such as broadcast carry out, according to user's requirement, can select to play the audio data stream of dubbing of Clip 3 that above-mentioned the 3rd actual play catalogue is connected.
Then, the VDR system 3 of above-mentioned optical disc apparatus, requirement according to the user, above-mentioned Clip 1 A/V data flow of deletion or Clip 2A/V data flow or it is edited, such as, as shown in Figure 3, delete the part of above-mentioned Clip 2A/V data flow when interval by the operator, deleted interval residual A/V data flow of this part is Clip 2A/V data flow or Clip 3A/V data flow by planning management.Simultaneously, generate and the control information of reading and playing that record management is used to control this A/V data flow second actual play catalogue and the 3rd actual play catalogue in being included in.
In addition, can select actual play catalogue arbitrarily in order to make the user, and it is edited broadcast, need to generate and also write down virtual playing catalog by the said process record management.Such as the while record management is useful on the sub-playitems playitem that reads the main path playitems playitem of playing the Clip 1A/V data flow that is connected with the above-mentioned first actual play catalogue and be used to read the subpath of playing the Clip3A/V data flow that is connected with above-mentioned the 3rd actual play catalogue in the above-mentioned virtual playing catalog.
Then, the VDR system 3 of above-mentioned optical disc apparatus, can carry out in system and read in the sequence of operations process of playing the Clip 1A/V data flow that is connected with the above-mentioned first actual play catalogue, according to user's requirement, select to play the Clip 3A/V data flow that is connected with above-mentioned the 3rd actual play catalogue.
But; because above-mentioned optical disc apparatus can partly be deleted the A/V data flow of each cut-parts (Clip) with time continuity that are recorded management or can edit it arbitrarily according to user's requirement; so require the intrinsic playing program of copyright protection or film etc., also just exist the problem that the user can illegally edit use to it.Until today, also do not search out a solution that effectively prevents this type of incident.
(3) summary of the invention
The present invention proposes in order to address the above problem.The object of the present invention is to provide a kind of playing catalog management method of CD-R.The present invention is in the playing catalog of high density re-recordable optical disc recording mediums such as (BD-RW), separately addition record is used to prevent the A/V data flow of different cut-parts (Clip) that are recorded with time continuity is carried out part deletion or editor's identifying information, simultaneously, according to this identifying information, the edit operation of conditional execution customer requirements.
To achieve these goals, the playing catalog management method of re-recordable optical disc of the present invention is characterized in that comprising following two operating process:
First step, on re-recordable optical disc, what record had time continuity is the data flow of unit with cut-parts;
Second step, the playing catalog addition record can not to described be the identifying information that the data flow of unit is carried out part deletion or editor with cut-parts.
In addition, the playing catalog management method of re-recordable optical disc of the present invention is characterized in that comprising following three operating procedures:
First step, receive to the re-recordable optical disc record what have time continuity is that the data flow of unit is carried out part deletion or editor's requirement with cut-parts;
What second step, retrieval confirmed to comprise in the corresponding playing catalog of data flow of described cut-parts unit record prevents to edit mark;
Third step prevents to edit mark according to above-mentioned, determine whether to above-mentioned be that the data flow of unit is carried out part deletion or editor with cut-parts.
Effect of the present invention;
The playing catalog management method of the re-recordable optical disc of the present invention that has above-mentioned formation and as above operate has very high practical value; in the playing catalog (PLAY LIST) of high density re-recordable optical disc recording mediums such as (BD-RW) addition record prevent to above-mentioned be the identifying information that the A/V data flow of unit is carried out part deletion or editor with cut-parts; simultaneously; according to this identifying information; the edit operation that limited subscriber requires, thus can prevent effectively that the user from illegally editing the intrinsic playing program of instructions for use copyright protection or film etc.
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 part-structure figure of VDR optical disc apparatus such as (Video Disc Recorder);
Fig. 2 and Fig. 3 are the actual play catalogue (Real play list) of re-recordable optical disc (BD-RW) and the connection status figure between virtual playing catalog (virtual play list);
Fig. 4 is the file structure figure of re-recordable optical disc (BD-RW);
Fig. 5 prevents to edit syntactic structure (syntax) figure of the actual play catalogue file of mark (edit-protect-flag) for addition record in the playing catalog management method of the present invention;
Fig. 6 is the embodiment operational flowchart of the playing catalog management method of re-recordable optical disc of the present invention.
The symbol description of major part in the accompanying drawing
1, CD 2, light picker (pick up)
3, VDR system 4, encoder (encoder)
(5) embodiment
Below, the embodiment to the playing catalog management method of re-recordable optical disc of the present invention is elaborated with reference to the accompanying drawings.
Fig. 4 is the file structure figure of re-recordable optical disc (BD-RW).Use following fixing specific file structure (file structure) among the above-mentioned BD-RW, at least more than one DVR catalogue (DIRECTORY) is set below the root (Root directory) of upper, " info.dvr " file is set in this catalogue, " menu.tidx " and " mark.tidx " file, in addition, comprise a plurality of playing catalog file (the * .rpls of record, * playing catalog subdirectory (playlist subdirectory) .vpls), with the cut-parts information subdirectory (clipinf subdirectory) that comprises a plurality of cut-parts message files (* .clpi), and comprise and writing down the corresponding a plurality of cut-parts files of each cut-parts message file, that is, write down the data flow subdirectory (stream subdirectory) of the cut-parts file (* .m2ts) of the A/V data flow of MPEG2 mode.
In addition, the cut-parts file that comprises record on the above-mentioned data flow subdirectory, such as the various Play Control information of ' 01001.m2ts ' file and ' 02000.m2ts ' file, record stores ' 01001.clpi ' file that is included on the above-mentioned clipsubdirectory into respectively, in ' 02000.clpi ' file.And the playing catalog information that is connected broadcast and playing sequence that determines above-mentioned ' 01001.m2ts ' file and ' 02000.m2ts ' file can store on ' 01001.rpls ' that is included in the above-mentioned playlist subdirectory.
In addition, above-mentioned playing catalog file (* .rpls, * .vpls), such as, in the syntactic structure (syntax) of actual play catalogue file (xxx.rpls), as shown in Figure 5, comprise and record start context, playing catalog initial address, playing catalog label initial address, manufacturer's restricting data original position, and user's port application message playing catalog information such as (UIAppInfo playlist).What comprise 1 bit that records in the embodiment of the invention among the above-mentioned user UIAppInfo playlist prevents to edit mark (edit-protect-flag).
That is, for can make the user cannot be arbitrarily to the record storage what have time continuity is that the A/V data flow of unit is carried out part deletion or editor with cut-parts, need one of independent addition record prevent to edit mark.The above-mentioned zone, spatial domain (reserved-for-word-align) that prevents to edit one 4 bit that is marked at the literal that is used for arranging certain record size occupies uses 1 bit, perhaps also can occupy in other vacant zone and use 1 bit.
In addition, the VDR system 3 of optical disc apparatus described with reference to Figure 1 prevents to edit mark and is set at 1 o'clock above-mentioned, just carries out certain operations, and making the user partly to delete arbitrarily or to edit with cut-parts is the A/V data flow of unit.
Fig. 6 is the embodiment operational flowchart of the playing catalog management method of re-recordable optical disc of the present invention.
Flow process begins.
S10, in VDR system 3, receive the user to record storage what have time continuity be that the A/V data flow of unit is carried out part and deleted with cut-parts (Clip), perhaps this selection being appointed as what have time continuity is the requirement that playing catalog item in the virtual playing catalog of A/V data flow of unit or sub-playing catalog item etc. carry out edit operation with cut-parts.
S11, it is the A/V data flow of unit with cut-parts that above-mentioned edit operation retrieves above-mentioned, then, retrieval confirms to comprise in the corresponding playing catalog user's of record port application message playing catalog UIAppInfo playlist.
S12, above-mentioned VDR system 3, what at first retrieval confirmed to comprise among above-mentioned user's the port application message playing catalog UIAppInfo playlist 1 bit that records in the embodiment of the invention prevents to edit mark (edit-protect-flag).
Does S13 judge above-mentionedly to prevent that editor from marking whether to equal " 1 "?
S14, if above-mentionedly prevent to edit mark and be set to 1 o'clock, judging above-mentioned is that the A/V data flow of unit is intrinsic playing program or the film that copyright protection is carried out in requirement with cut-parts, will determine that the user cannot edit.
S15 then, will generate the dialog box that above-mentioned user can not edit this, and carries out a series of operation, and this dialog box is exported on the outside OSD pictures such as being shown to television set, and flow process finishes.
S16, in addition, in the S13 flow process; above-mentioned VDR system 3; to prevent to edit mark be to be at 0 o'clock above-mentioned, and judging above-mentioned is that the A/V data flow of unit is not intrinsic playing program or the film that copyright protection is carried out in requirement with cut-parts, will determine that the user can edit.
S17, then, carry out and the corresponding a series of edit operations of above-mentioned customer requirements, such as, with reference to as described in Fig. 3, deletion is that the part of A/V data flow of unit is interval with cut-parts, perhaps will be a part or the whole playing catalog item of selecting to be appointed as in the virtual playing catalog of the A/V data flow of unit with cut-parts accordingly as preceding, user's edit operations such as perhaps sub-playing catalog item, flow process finishes.
In addition, though the user do not require, also can prevent to edit mark by the guiding in the data flow that receives from the outside (navigation) information automatic setting is above-mentioned.
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 (8)
1, a kind of playing catalog management method of re-recordable optical disc is characterized in that comprising following two operating process:
First step, what have time continuity at re-recordable optical disc record is the data flow of unit with cut-parts;
Second step, the playing catalog addition record can not to described be the identifying information that the data flow of unit is carried out part deletion or editor with cut-parts.
2, the playing catalog management method of re-recordable optical disc as claimed in claim 1, it is characterized in that: described identifying information is to be used for making that the user can not be in the middle of the virtual playing catalog of editing generation by the user, and having access to described is the data flow of unit with cut-parts.
3, the playing catalog management method of re-recordable optical disc as claimed in claim 1 is characterized in that: described identifying information be as prevent to edit mark edit-protect-flag addition record to above-mentioned be in the pairing actual play directory user of the data flow port application message playing catalog UIAppInfo playlist of unit with cut-parts.
4, the playing catalog management method of re-recordable optical disc as claimed in claim 1 is characterized in that: described identifying information is according to the automatic addition record of guidance information that comprises transmission from the data flow that the outside receives.
5, a kind of playing catalog management method of re-recordable optical disc is characterized in that comprising following three operating procedures:
First step, receive to the re-recordable optical disc record what have time continuity is that the data flow of unit is carried out part deletion or editor's requirement with cut-parts;
What second step, retrieval confirmed to comprise in the corresponding playing catalog of data flow of described cut-parts unit record prevents to edit mark;
Third step prevents to edit mark according to above-mentioned, determine whether to described be that the data flow of unit is carried out part deletion or editor with cut-parts.
6, the playing catalog management method of re-recordable optical disc as claimed in claim 5, it is characterized in that: described to prevent to edit mark be to be used for making that the user can not be in the middle of the virtual playing catalog of editing generation by the user, and having access to described is the data flow of unit with cut-parts.
7, as the playing catalog management method of claim 5 described re-recordable optical discs, it is characterized in that: described second step be retrieval confirm described with cut-parts be comprise record in the user port application message playing catalog of the pairing actual play catalogue of data flow of unit prevent to edit mark.
8, as the playing catalog management method of claim item 5 described re-recordable optical discs, it is characterized in that: described third step is when described when preventing to edit mark and being set to ' 1 ', generate output inform forbid to described be the dialog box that the data flow of unit is carried out part deletion or edit operation with cut-parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310108412 CN1615008A (en) | 2003-11-05 | 2003-11-05 | Playing catalogue managing method for re-recording disk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310108412 CN1615008A (en) | 2003-11-05 | 2003-11-05 | Playing catalogue managing method for re-recording disk |
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| Publication Number | Publication Date |
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| CN1615008A true CN1615008A (en) | 2005-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200310108412 Pending CN1615008A (en) | 2003-11-05 | 2003-11-05 | Playing catalogue managing method for re-recording disk |
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| CN (1) | CN1615008A (en) |
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- 2003-11-05 CN CN 200310108412 patent/CN1615008A/en active Pending
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