CN1902698A - Method and apparatus for recording and/or reproducing data and write-once information storage medium - Google Patents
Method and apparatus for recording and/or reproducing data and write-once information storage medium Download PDFInfo
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- CN1902698A CN1902698A CNA200480039929XA CN200480039929A CN1902698A CN 1902698 A CN1902698 A CN 1902698A CN A200480039929X A CNA200480039929X A CN A200480039929XA CN 200480039929 A CN200480039929 A CN 200480039929A CN 1902698 A CN1902698 A CN 1902698A
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- 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]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
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- 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
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/218—Write-once discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2541—Blu-ray discs; Blue laser DVR discs
Abstract
A method and apparatus for recording and/or reproducing data, and a write-once information storage medium. The write-once information storage medium includes at least one data area for recording user data and at least one recording management data (RMD) area for recording recording management data needed to use the at least one data area by dividing the at least one data area into a plurality of borders when recording the user data in a sequential recording mode and/or a random recording mode in the at least one data area. If RMD is recorded on the write-once information storage medium and the data area is divided into a plurality of borders and/or recording zones, data can be recorded on the write-once information storage medium in a sequential recording mode or a random recording mode. Therefore, the write-once information storage medium can be used with enhanced ease and efficiency.
Description
Technical field
The present invention relates to a kind of write-once information storage medium that comprises the data field that can be divided into a plurality of borders, more particularly, relate to a kind of being used for when the data field is divided into a plurality of border with sequential recordng mode or with recorded at random mode record data and/or reproduce the method and apparatus of these data, and write-once information storage medium.
Background technology
Can be with the data of new data regenerative recording on the information storage medium that can heavily write down.On the other hand, in the recording areas of write-once information storage medium, data can only be recorded once.Therefore, can not use the data of new data regenerative recording on write-once information storage medium, can not delete these data or revise this data.
According to traditional technology, the data field of information storage medium can be divided into a plurality of borders, can with the border unit record user data, to improve the easiness of using information storage medium, as the compatibility of data reproduction.According to traditional technology, when with the sequential recordng mode user data, the data field can be divided into a plurality of recording areas, can be the unit record user data with the recording areas then, thereby effectively utilize the data field of information storage medium.
According to traditional technology, can data be recorded on the write-once information storage medium with sequential recordng mode or recorded at random pattern.Sequential recordng mode refers to user data sequentially is recorded in pattern in the data field of write-once information storage medium, and the recorded at random pattern refers to the pattern on the random site of white space of the data field that records the user data in write-once information storage medium.
According to conventional art, when with the write-once information storage medium initialization, select logging mode.In case selected logging mode, can only data be recorded on the write-once information storage medium by the logging mode of selecting.
Technical scheme
According to an aspect of the present invention, provide a kind of write-once information storage medium, if write-once information storage medium is divided into a plurality of borders, then this medium memory is with sequential recordng mode or the required record management data of recorded at random mode record data.
According to an aspect of the present invention, write-once information storage medium is divided into a plurality of borders, then with the method and apparatus of sequential recordng mode or recorded at random mode record data if provide a kind of.
According to an aspect of the present invention, provide a kind of write-once information storage medium has been divided into a plurality of borders, then be used to reproduce the method and apparatus of the data that on write-once information storage medium, write down with sequential recordng mode or recorded at random pattern.
Useful effect
If RMD according to an aspect of the present invention is recorded on the write-once information storage medium and the data field is divided into a plurality of borders and/or recording areas, then can data be recorded on the write-once information storage medium with sequential recordng mode or recorded at random pattern.Therefore, write-once information storage medium easiness and efficient in the use improves.
Description of drawings
In conjunction with the drawings embodiments of the invention are described, these and/or other aspect of the present invention and advantage will become clear and be easier to and understand, wherein:
Fig. 1 shows the structure according to the single-recordng-layer write-once information storage medium of the embodiment of the invention;
Fig. 2 shows the structure according to the double record layer write-once information storage medium of the embodiment of the invention;
Fig. 3 A and Fig. 3 B are the views that illustrates according to the method for the record management data (RMD) in the renewal RMD district of the embodiment of the invention;
Fig. 4 shows the form according to the RMD of the embodiment of the invention;
Fig. 5 shows the structure according to the last border clauses and subclauses shown in Fig. 4 of the embodiment of the invention;
Fig. 6 shows " tabulation of closed border entries " when in the end opening the border record data with the recorded at random pattern and " the opening the recording status of clauses and subclauses at last " according to the embodiment of the invention;
Fig. 7 shows " tabulation of closed border entries " when in the end opening the border record data with sequential recordng mode and " the opening the recording status of clauses and subclauses at last " according to the embodiment of the invention;
Fig. 8 A and Fig. 8 B show the data field of closing last border and the data field that produces new last border according to the embodiment of the invention, and wherein, data are recorded in the last border with the recorded at random pattern;
Fig. 9 A and Fig. 9 B show the data field of closing last border and the data field that produces new last border according to the embodiment of the invention, and wherein, data are recorded in the last border with sequential recordng mode;
Figure 10 shows the RMD that upgrades after the closing of the frontier that will open at last according to the embodiment of the invention;
Figure 11 is according to the data recording of the embodiment of the invention and/or the block scheme of transcriber;
Figure 13 is the process flow diagram that the S830 among Figure 12 is shown according to the embodiment of the invention;
Figure 14 is the process flow diagram that illustrates according to the method for reproducing data of the embodiment of the invention.
Best mode
According to an aspect of the present invention, provide a kind of write-once information storage medium, this medium comprises: at least one data field is used for user data; At least one record management data district, be used for record when recording the user data in described at least one data field with sequential recordng mode and/or recorded at random pattern, use the required record management data in described at least one data field by described at least one data field being divided into a plurality of borders.
According to a further aspect in the invention, also provide a kind of data be recorded in method on the write-once information storage medium, described write-once information storage medium comprise the data field that is divided into a plurality of closures of border that are used to reproduce and new data can be recorded in wherein open the border at last.Described method comprises: record the user data in sequential recordng mode or recorded at random pattern and open at last in the border; With create and record comprises the record management data of last border clauses and subclauses, described last border clauses and subclauses comprise start address and last address and the status information that writes down of opening the border at last, and whether described status information indication last border is whether closure of border and the last border that is used to reproduce will be used under sequential recordng mode or recorded at random pattern.
According to a further aspect in the invention, also provide a kind of data be recorded in data recording equipment on the write-once information storage medium, described write-once information storage medium comprise the data field that is divided into a plurality of closures of border that are used to reproduce and new data can be recorded in wherein open the border at last.Described device comprises: record/reading unit, data are recorded on the write-once information storage medium, and the data of reading and recording; With
Control module, controlling recording/reading unit is with sequential recordng mode or recorded at random mode record user data, establishment comprises the record management data of last border clauses and subclauses, and controlling recording/reading unit is recorded in described record management data on the write-once information storage medium, wherein, described last border clauses and subclauses comprise the start address of last border and the address and the status information of last record, and whether described status information indication last border is whether closure of border and the last border that is used to reproduce will be used under sequential recordng mode or recorded at random pattern.
According to a further aspect in the invention, the method that also provides a kind of reproduction to be recorded in the data on the write-once information storage medium, described write-once information storage medium comprises the data field that is divided into a plurality of borders.Described method comprises: the start address and the last recording address that obtain last border from described record management data; Start address and last recording address based on described last border are determined the position that the file system of final updating is recorded; With the file system that reads and reproduce described final updating.
According to a further aspect in the invention, provide a kind of reproduction to be recorded in data reproducing device on the write-once information storage medium, described write-once information storage medium comprises the data field that is divided into a plurality of borders.Described device comprises: reading unit, the data of reading and recording on described write-once information storage medium; And control module, control described reading unit reads last record from described write-once information storage medium record management data, determine the position that the file system of final updating is recorded based on start address that is included in the last border in the described record management data and last recording address, and control described reading unit reads final updating from described write-once information storage medium file system.
Will be in ensuing description part set forth the present invention other aspect and/or advantage, some will be clearly by describing, and perhaps can learn through enforcement of the present invention.
Embodiment
To describe embodiments of the invention in detail now, its example shows that in the accompanying drawings wherein, identical label is represented components identical all the time.Below, will embodiment be described to explain the present invention by the reference accompanying drawing.
Fig. 1 shows the structure according to the single-recordng-layer write-once information storage medium of the embodiment of the invention.Fig. 2 shows the structure according to the double record layer write-once information storage medium of the embodiment of the invention.
With reference to Fig. 1, single-recordng-layer write-once information storage medium 100 comprises Lead-In Area, data field and the leading-out zone that thoughtful periphery is provided with in proper order in it.Lead-In Area comprises at least one final disc management area (FDMA) and recordng management area.In the example of Fig. 1, Lead-In Area comprises FDMA1 and FDAM2 and RMD district 0.The data field comprises spare area 0, spare area 1 and user area.Leading-out zone comprises FDMA3 and FDMA4 and RMD district 1.
The RMD district is the zone of writing down RMD according to an aspect of the present invention.To be described in detail later the RMD district.
The spare area is the zone that is used for replacing the defective user data that is recorded in the user area.In the present embodiment, when with the initialization of single-recordng-layer write-once information storage medium, give the data field with at least one spare area allocation by data recording and/or transcriber or by user's selection.
In addition, except the user data of the re-recordable that is used for defect management, record temporary disk (T-disk) defect sturcture (TDDS) and temporary defect list (TDFL) in the spare area.
TDDS (not illustrating separately) can comprise TDDS identifier, refresh counter, about last TDFL, final quotation and activation bit be recorded in information where, about the information of the size of the spare area that is assigned to the data field.
TDFL (not illustrating separately) can comprise the quantity and the defect factors of TDFL identifier, refresh counter, defect factors (factor).Defect factors comprises the positional information of status information, defect cluster and the positional information of replacement cluster.Status information can be indicated the type of defect information and replacement information.
After finishing single-recordng-layer write-once information storage medium 100, upgrade TDFL and TDDS in the spare area (spare area 0 and/or spare area 1) at interval with preset time.When finishing single-recordng-layer write-once information storage medium 100, respectively in FDMA1, FDMA2, FDMA3 and FDMA4 record TDFL of final updating and TDDS as defect list (DFL) and disc defect structure (DDS).For this reason, the transcriber that is used for the information storage medium of re-recordable can reproduce data from single-recordng-layer write-once information storage medium 100.
With reference to Fig. 2, double record layer write-once information storage medium 200 comprises first recording layer (L0) and second recording layer (L1), first recording layer (L0) comprises Lead-In Area, first data field (data field 0) and first mesozone (mesozone 0), and second recording layer (L1) comprises second mesozone (mesozone 1), second data field (data field 1) and leading-out zone.The structure of the structure of L0 and L1 and the single-recordng-layer write-once information storage medium 100 among Fig. 1 much at one.Interior thoughtful periphery user data from the user area 0 of the first recording layer L0.When user data can not be recorded in user area 0, record the user data on the second recording layer L1 by order from the interior thoughtful periphery of user area 1.
Although in Fig. 1 and Fig. 2, do not illustrate, but when with data recording and/or transcriber initialization when using single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200, can RMD be distinguished by data recording and/or transcriber or according to user's selection and be fitted on the data field, to improve the number of times that upgrades RMD.
The RMD district that is used for only writing down RMD is assigned to the importing of single-recordng-layer write-once information storage medium 100 of Fig. 1 and/or the importing and/or the leading-out zone of the double record layer write-once information storage medium 200 among leading-out zone and Fig. 2.Yet, TDDS and RMD can be recorded in bunch in the RMD district or be recorded in independent bunch.
Fig. 3 A and Fig. 3 B are the views that is used for illustrating the method for the RMD that upgrades the RMD district according to an embodiment of the invention.With reference to Fig. 3 A, from the interior thoughtful periphery record RMD# 0 to RMD#n in RMD district 310, for example, RMD district 310 is one of RMD districts among the first recording layer L0 of single-recordng-layer write-once information storage medium or double record layer write-once information storage medium.With reference to Fig. 3 B, from the outer thoughtful interior Zhou Jilu RMD#0 to RMD#n in RMD district 330, for example, RMD district 330 is second recording layer L1 of double record layer write-once information storage medium.
In the present embodiment, if single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200 comprise a plurality of RMD district, then sequentially use the RMD district.In other words, after the RMD district is used or fills up (filled), the RMD. that record upgrades in next RMD district
Under the situation of the double record layer write-once information storage medium in Fig. 2, press the order in RMD district 0, RMD district 1, RMD district 2 and RMD district 3, sequentially use the RMD district.Owing to use the order in RMD district and the direction in each RMD district of use to be scheduled to, so data recording and/or transcriber can be easily and the RMD of the final updating of Visitor Logs on double record layer write-once information storage medium 200 apace.
Fig. 4 shows the form according to the RMD 400 of the embodiment of the invention.Because RMD 400 is recorded on single-recordng-layer write-once information storage medium 100 or the double record layer write-once information storage medium 200, so data recording and/or transcriber can and reproduce data with sequential recordng mode and/or recorded at random mode record.Before using single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200, they can be divided into a plurality of borders.
With reference to Fig. 4, RMD 400 comprises the tabulation 430 of RMD 410, closed border entries and opens the recording status 450 on border at last.RMD 410 comprises the sum 415 on RMD identifier 411, last border clauses and subclauses 413 and border.RMD identifier 411 is used for identification record each RMD in the RMD district.
Last border clauses and subclauses 413 are about the position of the last border in a plurality of borders in the data field of single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200 and the information of state.The total quantity on border in the sum 415 expression single-recordng-layer write-once information storage mediums 100 on border or the double record layer write-once information storage medium 200.
In the present embodiment, use single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200 with the border as unit according to the direction of using the user area.Last border is represented the border that is used at last in a plurality of borders.Therefore, have only last border can be and open the border, in the end the border before the border is the closure of border.
Fig. 5 shows the structure according to the last border clauses and subclauses 413 shown in Figure 4 of the embodiment of the invention.Last border clauses and subclauses 413 comprise the status information of the state of representing last border, the start address and the last recording address (LRA) of last border.Start address is represented the address of the physics initial sector of last border.LRA is illustrated in the address of the physical sector of the position of last record data in the last border.
Status information is illustrated in the last border that is using under recorded at random pattern or the sequential recordng mode to be empty or to close.Each closed border entries in the tabulation 430 of closed border entries comprises the LRA of the position of last record data in the start address of each closure of border and each closure of border.Different with last border clauses and subclauses 413, closed border entries does not comprise the status information of closure of border.Have only last border clauses and subclauses 413 to comprise that the reason of the status information of last border is: data are not recorded in the closure of border and closure of border and only are used for reproducing.Therefore, irrelevant with the logging mode of record data in the border of closing.In addition, if last border is closed, then represent to have finished single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200 and they and will only be used for reproducing.
Open recording status 450 expressions on border at last and open the recording status on border at last.According to data is with sequential recordng mode record or with the recorded at random mode record, in the end opens the different recording status information of record in the recording status 450 on border.
Fig. 6 shows " tabulation of closed border entries " when in the end opening record data in the border with the recorded at random pattern 430 and " the opening the recording status on border at last " 450 according to the embodiment of the invention.With reference to Fig. 6, " tabulation of closed border entries " comprises border entry # 1 to border entry #k (k is equal to or greater than 1 variable), and border entry # 1 is to the clauses and subclauses of k the closure of border of using before border entry #k is last border.
When in the end opening data recording in the border with the recorded at random pattern, " opening the border recording status at last " 450 comprises that indication opens the bitmap of the recording status on border at last.By for record data bunch and not record data bunch the distribution different place values form bitmap.It bunch is the unit that is recorded in data on the write-once information storage medium or reproduces data from write-once information storage medium.
Fig. 7 illustrates " tabulation of closed border entries " when in the end opening data recording in the border with sequential recordng mode 430 and " the opening the recording status on border at last " 450 according to the embodiment of the invention.With reference to Fig. 7, " tabulation of closed border entries " 430 comprises border entry # 1 to border entry #k (k is equal to or greater than 1 variable), and described border entry is the clauses and subclauses of k the closure of border of in the end using before the border.
When in the end opening data recording in the border with sequential recordng mode, 450 tabulations that comprise recording areas (Zone R) clauses and subclauses that are used to indicate the recording status of opening the border at last of " opening the recording status on border at last ", described recording areas clauses and subclauses are to be included in the clauses and subclauses of opening the Zone R in the border at last.In the present embodiment, before in the end opening data recording in the border, open the border at last and be divided at least one Zone R with sequential recordng mode.Then, be that unit in the end opens data recording in the border with sequential recordng mode and with the Zone R.
With reference to Fig. 7, " opening the recording status on border at last " 450 comprises that Zone R clauses and subclauses # (k+1) is to Zone R clauses and subclauses # (k+n) (k and n are equal to or greater than 1 variable).Zone R clauses and subclauses # (k+1) each to the Zone R clauses and subclauses # (k+n) comprises the start address and the LRA of each Zone R.
If data recording is in the end opened in the border with sequential recordng mode, the initial Zone R entry number of the sum 415 indication last borders on the border among the RMD 400 so shown in Figure 4.
When the status information indication last border of the last border in the last border clauses and subclauses 413 just had been used under the recorded at random pattern, the sum 415 on border can be used for determining the reference position of bitmap in RMD, and the recording status on border is opened in described bitmap indication at last.In other words, can use following equation to calculate the reference position of opening the bitmap on border among the RMD 400 at last:
1. equation 1
1. the reference position of the bitmap of last border=(length of the RMD that border entry is occupied) * (total number of borders-1)+(reference position of the tabulation of closed border entries)
When the status information indication last border of last border clauses and subclauses 413 just is being used under sequential recordng mode, the sum 415 on border can be used for calculating the reference position of the first Zone R clauses and subclauses in RMD 400 in " opening the tabulation of the Zone R clauses and subclauses on border at last ", and the recording status on border is opened in described " opening the tabulation of the Zone R clauses and subclauses on border at last " indication at last.Can use following equation to calculate the reference position of the first Zone R clauses and subclauses in RMD 400 in " tabulation of opening the Zone R clauses and subclauses on border at last ":
1. equation 2
1. the reference position of first Zone R on last (opening) border=(length of the RMD that border entry is occupied) * (total number of borders-1)+(reference position of " tabulation of closed border entries ")
As mentioned above, each border has the border entry of the LRA on the start address that comprises this border and this border.Therefore, data recording and/or transcriber can obtain information about nearest file system apace from single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200.
For example, under the situation of universal disc format (UDF) file system, the anchor point of closure of border must be at least two in following three: 1) logic sector several 256,2) last logical sector number 256, perhaps 3) last logic sector quantity.Owing under the situation of UDF file system, can know the reference position and the LRA on each border, so data recording and/or transcriber can obtain to be recorded in information where about file system fast.
In addition, when closing with the recorded at random pattern therein last border of data recording, the bitmap on pent border is not included among the RMD 400.On the contrary, the new bitmap of creating of opening the border is included among the RMD 400, thereby guarantees the maximum quantity on available border.If the bitmap of closure of border is included among the RMD 400, the data bitmap that will be included in so among the RMD 400 increases.In this case, if the size of RMD 400 is fixed, can be used for border # 1 so and will reduce to the record space of border #k.
Therefore, in the present embodiment, the bitmap of closure of border is not included among the RMD 400, can be used for the space of border # 1 to border #k thereby increased.Therefore, multiple barrier more can be distributed to single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200.
In addition, when closing with sequential recordng mode therein last border of data recording, all Zone Rs in the last border are merged into a Zone R, and this Zone R is represented by Zone R clauses and subclauses (border entry).Thereby, open the border and can be divided as required with service efficiency maximization with write-once information storage medium.
For example, the quantity of fixing and can be included in the Zone R clauses and subclauses among the RMD 400 when the size of RMD 400 is 7,000 o'clock, if in first border, use 5,000 Zone Rs, thereby 5,000 Zone R clauses and subclauses is included among the RMD, and 2,000 Zone Rs only can be used in second border so.Yet, according to an aspect of the present invention, when the closure of border, if all Zone Rs that are included in this border are merged into a Zone R of being represented by a Zone R (=border) clauses and subclauses, second border can use 6 so, 999 Zone Rs, thus the efficient of using single-recordng-layer write-once information storage medium 100 or double record layer write-once information storage medium 200 improved.
Fig. 8 A and Fig. 8 B illustrate closing with the recorded at random pattern data recording last border therein and the data field of creating new last border according to the embodiment of the invention.
Fig. 8 A illustrates k closure of border of user area and as (k+1) border of opening the border at last.With the recorded at random pattern data are recorded in (k+1) border position 503 to the end from primary importance 501.Fig. 8 A also illustrates among the RMD bitmap corresponding to (k+1) border of data field.By " 1 " is distributed to record data bunch and " 0 " distributed to the described bitmap that bunch forms that does not have record data.
Fig. 8 B is illustrated in (k+1) border of closing Fig. 8 A in the user area and opens data field as (k+2) border of new last border.The scope on (k+1) border extends to rearmost position 503 from primary importance 501.Fig. 8 B also illustrates among the RMD bitmap corresponding to (k+2) border of data field.Owing to there are not data to be recorded in (k+2) border, so all be " 0 " at this bitmap median.
Fig. 9 A and Fig. 9 B illustrate closing with sequential recordng mode data recording last border therein and the data field of creating new last border according to the embodiment of the invention.Fig. 9 A illustrates k closure of border 510 to 550 and (k+1) border 570, and this (k+1) border 570 is to open the border at last.(k+1) border 570 comprises that (k+1) Zone R 571 is to (k+n) Zone R 575.With sequential recordng mode data are recorded in (k+n) Zone R from the primary importance to the second place.Thereby the second place will be corresponding with the LRA of last border clauses and subclauses.
Fig. 9 B illustrates (k+1) border 570 of closing Fig. 9 A and opens data field as (k+2) border 590 of new last border.(k+1) Zone R 571 rearmost positions to (k+n) Zone R 575 that record data are merged into a Zone R, thereby become (k+1) border.In other words, the rearmost position of reference position to the (k+n) Zone R 575 that records (k+1) Zone R 571 of data becomes pent (k+1) border.
Figure 10 illustrates the RMD 620 that closes the record management state of the write-once information storage medium after (k+1) border according to the reflection of the embodiment of the invention shown in Fig. 8 B and Fig. 9 B, and described (k+1) border is the previous border of opening at last.With reference to the RMD 620 of Figure 10, write-once information storage medium comprises (k+2) individual border, and the last border clauses and subclauses comprise status information, start address and the LRA on (k+2) border, and described (k+2) border is the new border of opening at last.
Shown in Fig. 8 B and Fig. 9 B, if (K+1) border (promptly, the previous border of opening at last) be closed and (K+2) border (promptly, the new border of opening at last) is created, data recording and/or transcriber upgrade previous RMD so, create RMD 620 shown in Figure 10, and RMD620 is recorded in the suitable RMD district.Because opening the border has at last become (k+2) border, so RMD 620 will be different from previous RMD.Therefore, the last border clauses and subclauses will be changed, and " total number of borders " will increase by 1, the (k+1) border entry will be added to " tabulation of closed border entries ".
" opening the recording status on border at last " indication dummy status among the RMD 620 of Figure 10.In other words, there are not data to be recorded in (k+2) border (that is, new open at last border).Be loaded into data recording and/or transcriber if be in the write-once information storage medium of this state, data recording and/or transcriber will be given main frame from the state notifying of opening the border at last that " opening the recording status on border at last " of being lastly recorded in the RMD on the write-once information storage medium reads so.Then, in (k+2) border that main frame is determined data recording in the end to be opened with which kind of logging mode, and the issue record order.
Finish write-once information storage medium if close last border, then need not create new last border in the data field.As mentioned above, if finished write-once information storage medium, then the final management information of this write-once information storage medium (as TDFL and TDDS) is recorded among the FDMA.Subsequently, whether the addressable FDMA of data recording and/or transcriber and definite write-once information storage medium are finished.Selectively, can obtain the RMD of last record, and determine based on the status information of the last border clauses and subclauses that from the RMD of last record, read whether write-once information storage medium is finished.
Figure 11 is according to the data recording of the embodiment of the invention and/or the block scheme of transcriber.With reference to Figure 11, described data recording and/or transcriber comprise record/reading unit 1, control module 2 and storer 3.According to the embodiment of the invention, write-once information storage medium 10 is respectively the single-recordng-layer write-once information storage medium 100 of Fig. 1 or the double record layer write-once information storage medium 200 of Fig. 2.
After write-once information storage medium 10 is written in described data recording and/or the transcriber, described data recording and/or transcriber read RMD, TDDS such as final updating and the information of TDFL from write-once information storage medium 10, and with these information stores in storer 3.Thereafter, if user data with sequential recordng mode or recorded at random pattern be recorded in write-once information storage medium 10 open in the border at last and RMD need be updated, then control module 2 is created the RMD of renewal with reference to being stored in the RMD that reads from write-once information storage medium 10 in the storer 3.
To describe now according to the data recording of passing through Figure 10 of the embodiment of the invention and/or transcriber data will be recorded in method on the write-once information storage medium 10.Figure 12 is the process flow diagram that illustrates according to the method on the write-once information storage medium 10 that data are recorded in of the embodiment of the invention.
Though do not show in the accompanying drawings, when write-once information storage medium 10 was written in described data recording and/or the transcriber, described data recording and/or transcriber were initialised to use write-once information storage medium 10.In other words, control module 2 reads from Lead-In Area and/or leading-out zone and uses the required basic control information of write-once information storage medium 10 and TDFL, TDDS and the RMD of final updating, and TDFL, TDDS and the RMD of this basic control information and final updating is stored in the storer 3.
Be initialised with after using write-once information storage medium 10 in described data recording and/or transcriber, if described data recording and/or transcriber receive order and this user data (S810) that is used to record the user data on the write-once information storage medium 10 from main frame, then control module 2 is recorded in the opening at last of write-once information storage medium 10 (S830) in the border with sequential recordng mode or recorded at random pattern with this user data.
Main frame comes the specified data logging mode based on the information about the recording status of opening the border at last that receives from control module 2.In other words, do not open at last in the border if " opening the recording status on border at last " expression has data to be recorded in, then the main frame specified data will be recorded in the logging mode of opening at last in the border, and record order is sent to control module 2.Yet, if being recorded in recorded at random pattern or sequential recordng mode, " opening the recording status on border at last " expression data open at last in the border, Host Command control module 2 is with the logging mode record new data of coupling.
Described data recording and/or transcriber are created the RMD of renewal with reference to be stored in the RMD that reads from write-once information storage medium 10 in the storer 3 with scheduled timing, and the RMD that upgrades is recorded in (S850) in the RMD district.The structure of the RMD that upgrades is identical with the structure of the RMD 400 of Fig. 4.As mentioned above, be to be recorded in to open in the border at last or be recorded in the recorded at random pattern to open at last in the border according to data with sequential recordng mode, be included in the content difference of " opening the recording status on border at last " among the RMD of renewal.
Figure 13 is the process flow diagram that illustrates according to the S830 of Figure 12 of the embodiment of the invention.Specifically, Figure 13 closes the method that this opens the border at last after being illustrated in and in the end opening data recording in the border with sequential recordng mode.
At first, user data is that unit is recorded in and opens (S831) in the border at last with the Zone R.When closing according to the order of user or main frame when opening the border at last, control module 2 determines that in scope, user data is registered as last closure of border from the reference position of the opening the border at last scope of position (S833) to the end.
At least one Zone R that control module 2 will be included in the last closure of border is merged into a R-zone (S835).Can understand S833 and S835 better with reference to figure 9A and Fig. 9 B.
As mentioned above, when closing when opening the border at last, control module 2 is created the RMD that upgrades, and the RMD that upgrades is recorded in the RMD district of write-once information storage medium 10.Can come in a different manner to determine that RMD is with the time that is updated.For example, can upgrade RMD after taking turns recording operation with predetermined space or finishing one.Selectively, if the user data of scheduled volume is recorded on the write-once information storage medium 10, then renewable RMD.
Now the method that is recorded in the RMD on the write-once information storage medium 10 according to the reproduction of the embodiment of the invention will be described.Use data recording and/or the transcriber of Figure 10 according to the data reproducing device of present embodiment.Yet because described data reproducing device only is used for reproducing, so record/reading unit 1 only plays reading unit, control module 2 is only carried out and is read relevant function.
Figure 14 is the process flow diagram that illustrates according to the method for reproducing data of the embodiment of the invention.When write-once information storage medium 10 was written in the described data reproducing device (S910), described data reproducing device read the RMD of final updating from write-once information storage medium 10, and the RMD of final updating is stored in (S930) in the storer 3.
When described data reproducing device is initialised with use write-once information storage medium 10, read the RMD of final updating from write-once information storage medium 10.In other words, control module 2 reads TDFL, TDDS and the RMD the FDMA of being stored in that uses required basic control information of write-once information storage medium 10 and final updating from Lead-In Area and/or leading-out zone, and TDFL, TDDS and the RMD of this basic control information and final updating is stored in the storer 3.
If last border be open and do not have data to be recorded in the last border, then the file system of final updating may not be recorded in the last border.In this case, the start address and the LRA of last closure of border are obtained in the closed border entries tabulation 430 of control module 2 from RMD400.Then, control module can be determined the position that the file system of final updating is recorded based on the start address and the LRA of last closure of border.
Though do not show in the accompanying drawings, main frame comes the specified data reproduction mode based on the information about the recording status of opening the border at last that receives from control module 2.In other words, main frame comes specified data to be recorded in the logging mode of opening at last in the border based on the recording status of opening the border at last, and command control unit 2 reproduces data according to the logging mode of determining.
The present invention also can be implemented as the computer-readable code on the computer readable recording medium storing program for performing.Described computer readable recording medium storing program for performing can be that can store thereafter can be by arbitrary data storage device of the data of computer system reads.The example of described computer readable recording medium storing program for performing comprises ROM (read-only memory) (ROM), random-access memory (ram), CD-ROM, tape, floppy disk, optical data storage device and carrier wave (such as the data transmission by the internet).
Described computer readable recording medium storing program for performing also can be distributed on the computer system of networking, thereby described computer-readable code is stored and is performed with distributed way.
Though shown and described some embodiments of the present invention, but it should be appreciated by those skilled in the art, without departing from the principles and spirit of the present invention, can change this embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (45)
1, a kind of write-once information storage medium comprises:
At least one data field is used for user data; With
At least one record management data district, be used for record when recording the user data in described at least one data field with sequential recordng mode and/or recorded at random pattern, use the required record management data in described at least one data field by described at least one data field being divided into a plurality of borders.
2, medium as claimed in claim 1, wherein, described record management data comprises the last border clauses and subclauses of reference position that comprises last border and the address of writing down at last, wherein, described last border clauses and subclauses comprise status information, and whether described status information indication last border is whether closure of border and the last border that is used to reproduce will be used under sequential recordng mode and/or recorded at random pattern.
3, medium as claimed in claim 2, wherein, described record management data comprises the tabulation of closed border entries, the tabulation of described closed border entries comprises the start address of the closure of border that each is used to reproduce and the address of last record.
4, medium as claimed in claim 2, wherein, described last border clauses and subclauses comprise the tabulation of at least one recording areas clauses and subclauses of last border, when with sequential recordng mode and with the recording areas being unit when recording the user data in the last border, each recording areas clauses and subclauses comprises the start address of at least one recording areas that is included in the last border and the address of last record.
5, medium as claimed in claim 2, wherein, described last border clauses and subclauses comprise the bitmap of the recording status of the last border of indication when recording the user data in the last border with the recorded at random pattern.
6, medium as claimed in claim 2, wherein, when finishing write-once information storage medium, described status information indication last border is closed.
7, a kind of data are recorded in method on the write-once information storage medium, described write-once information storage medium comprise the data field that is divided into a plurality of closures of border that are used to reproduce and new data can be recorded in wherein open the border at last, described method comprises:
Record the user data in sequential recordng mode or recorded at random pattern and to open at last in the border; With
Create and write down the record management data that comprises the last border clauses and subclauses, described last border clauses and subclauses comprise start address and last address and the status information that writes down of opening the border at last, and whether described status information indication last border is whether closure of border and the last border that is used to reproduce will be used under sequential recordng mode or recorded at random pattern.
8, method as claimed in claim 7, wherein, described last border clauses and subclauses comprise the tabulation of at least one recording areas clauses and subclauses of last border, when with sequential recordng mode and with the recording areas being unit when recording the user data in the last border, each recording areas clauses and subclauses comprises the start address of at least one recording areas that is included in the last border and the address of last record.
9, method as claimed in claim 7, wherein, described last border clauses and subclauses comprise the bitmap of the recording status of the last border of indication when recording the user data in the last border with the recorded at random pattern.
10, method as claimed in claim 7, wherein, described last border clauses and subclauses comprise the status information that the indication last border is closed or opens.
11, method as claimed in claim 7, wherein, described record management data comprises the tabulation of closed border entries, the tabulation of described closed border entries comprise in described a plurality of closure of border each start address and the address of last record.
12, method as claimed in claim 7, wherein, described status information indication last border when finishing write-once information storage medium is closed.
13, method as claimed in claim 7, wherein, the step of described user data comprises: determine from as the reference position of the last border of the user data of the last closure of border scope of position to the end, and at least one recording areas that will be included in the last closure of border is merged into a recording areas; With
The step of described establishment and record record management data comprises: the record management data of creating and write down the tabulation that comprises closed border entries, when with the recording areas be unit when recording the user data in the last border under sequential recordng mode, described closed border entries comprises the start address of last closure of border and the address of last record.
14, a kind of data are recorded in data recording equipment on the write-once information storage medium, described write-once information storage medium comprise the data field that is divided into a plurality of closures of border that are used to reproduce and new data can be recorded in wherein open the border at last, described device comprises:
Record/reading unit is recorded in data on the write-once information storage medium, and the data of reading and recording; With
Control module, controlling recording/reading unit is with sequential recordng mode or recorded at random mode record user data, establishment comprises the record management data of last border clauses and subclauses, and controlling recording/reading unit is recorded in described record management data on the write-once information storage medium, wherein, described last border clauses and subclauses comprise the start address of last border and the address and the status information of last record, and whether described status information indication last border is whether closure of border and the last border that is used to reproduce will be used under sequential recordng mode or recorded at random pattern.
15, device as claimed in claim 14, wherein, described last border clauses and subclauses comprise the tabulation of at least one recording areas clauses and subclauses of last border, when with sequential recordng mode and with the recording areas being unit when recording the user data in the last border, each recording areas clauses and subclauses comprises the start address of at least one recording areas that is included in the last border and the address of last record.
16, device as claimed in claim 14, wherein, described last border clauses and subclauses comprise the bitmap of the recording status of the last border of indication when recording the user data in the last border with the recorded at random pattern.
17, device as claimed in claim 14, wherein, described last border clauses and subclauses comprise the status information that the indication last border is closed or opens.
18, device as claimed in claim 14, wherein, described record management data comprises the tabulation of closed border entries, the tabulation of described closed border entries comprise in described a plurality of closure of border each start address and the address of last record.
19, device as claimed in claim 14, wherein, described status information indication last border when finishing write-once information storage medium is closed.
20, device as claimed in claim 14, wherein, when being that unit is when recording the user data in the last border with sequential recordng mode and with the recording areas, described control module is determined from as the reference position of the last border of the user data of the last closure of border scope of position to the end, at least one recording areas that is included in the last closure of border is merged into a recording areas, and create the record management data of the tabulation comprise closed border entries, described closed border entries comprises the start address of last closure of border and the address of last record.
21, device as claimed in claim 20, wherein, described control module is created the record management data that comprises last closure of border with predetermined interval.
22, device as claimed in claim 20, wherein, after the user data of threshold quantity was recorded on the information storage medium, described control module was created the record management data that comprises last closure of border.
23, a kind of reproduction is recorded in the method for the data on the write-once information storage medium, and described write-once information storage medium comprises the data field that is divided into a plurality of borders, and described method comprises:
Read the record management data of last record from described write-once information storage medium;
Obtain the start address and the last recording address of last border from described record management data;
Start address and last recording address based on described last border are determined the position that the file system of final updating is recorded; With
Read and reproduce the file system of described final updating.
24, method as claimed in claim 23, wherein, described record management data comprises the last border clauses and subclauses, and described last border clauses and subclauses comprise the status information of opening the border that the indication described last border closure of border that is used to reproduce or new data can be recorded in it.
25, method as claimed in claim 23, wherein, described record management data comprises the tabulation of closed border entries, described closed border entries comprises the start address and the last recording address of each closure of border that is used to reproduce.
26, method as claimed in claim 23, wherein, described record management data comprises the tabulation of at least one recording areas clauses and subclauses of described last border, and described each recording areas clauses and subclauses comprise the start address and the last recording address of at least one recording areas that comprises in the described last border.
27, method as claimed in claim 25, wherein, the step of the position that the file system of described definite final updating is recorded comprises:
If there are not data to be recorded in the described last border, then obtain the start address and the last recording address of last closure of border from the tabulation of described closed border entries; With
Start address and last recording address based on described last closure of border are determined the position that the file system of final updating is recorded.
28, method as claimed in claim 24 also comprises: based on designation data is to reproduce by the data in described last border with sequential recordng mode or recorded at random mode record with sequential recordng mode or with the status information that the recorded at random pattern is recorded.
29, a kind of reproduction is recorded in the data reproducing device on the write-once information storage medium, and described write-once information storage medium comprises the data field that is divided into a plurality of borders, and described device comprises:
Reading unit, the data of reading and recording on described write-once information storage medium; With
Control module, control described reading unit reads last record from described write-once information storage medium record management data, determine the position that the file system of final updating is recorded based on start address that is included in the last border in the described record management data and last recording address, and control described reading unit reads final updating from described write-once information storage medium file system.
30, device as claimed in claim 29, wherein, described record management data comprises the last border clauses and subclauses, and described last border clauses and subclauses comprise the status information of opening the border that the indication described last border closure of border that is used to reproduce or new data can be recorded in it.
31, device as claimed in claim 29, wherein, described record management data comprises the closed border entries tabulation, described closed border entries comprises the start address and the last recording address of each closure of border that is used to reproduce.
32, device as claimed in claim 29, wherein, described record management data comprises the tabulation of at least one recording areas clauses and subclauses of described last border, and each recording areas clauses and subclauses comprises the start address and the last recording address of at least one recording areas that comprises in the described last border.
33, device as claimed in claim 31, wherein, if there are not data to be recorded in the described last border, then described control module obtains start address and the last recording address that data are lastly recorded in last closure of border wherein from the tabulation of described closed border entries, and determines the position that the file system of final updating is recorded based on the start address and the last recording address of described last closure of border.
34, device as claimed in claim 29, wherein, described record management data comprises that designation data is with sequential recordng mode or the status information that is recorded with the recorded at random pattern, and it is to be recorded with sequential recordng mode or with the recorded at random pattern that described control module comes specified data based on described status information.
35, a kind of storing on it is used to carry out the computer readable recording medium storing program for performing that data is recorded in the program of the method on the write-once information storage medium, described write-once information storage medium comprises that the data field that is divided into a plurality of borders and new data can be recorded in it opens the border at last, and described method comprises:
Record the user data in the described last border with sequential recordng mode or recorded at random pattern; With
Create the record management data that record also comprises the last border clauses and subclauses, described last border clauses and subclauses comprise the start address and the last recording address of described last border and indicate closure of border that whether described last border be used to reproduce and will or use the status information of described last border with the recorded at random pattern with sequential recordng mode.
36, a kind of computer readable recording medium storing program for performing that is used to carry out the program of reproducing the method that is recorded in the data on the write-once information storage medium that stores on it, described write-once information storage medium comprises the data field that is divided into a plurality of borders, and described method comprises:
Read the record management data of last record from described write-once information storage medium;
Obtain the start address and the last recording address of last border from described record management data;
Start address and last recording address based on described last border are determined the position that the file system of final updating is recorded; With
Read and reproduce the file system of final updating.
37, a kind of write-once information storage medium that uses with record and/or transcriber comprises:
A plurality of borders, each border have the closed condition that open mode that new data can be recorded in it or new data can not be recorded in it;
Record management data, comprise being used for controlling data being recorded in described a plurality of border so that have only the last border on described a plurality of borders to open or close and the information of remaining a plurality of closing of border that the form of the described last border on described a plurality of borders depends on the type of the logging mode that is used to write down new data by described transcriber.
38, information storage medium as claimed in claim 35, wherein, the type of described logging mode is a sequential recordng mode.
39, information storage medium as claimed in claim 36, wherein, the form of the described last border on described a plurality of borders comprises a plurality of recording areas that are used to write down new data, and described record management data comprises each start address and last recording address and about each the last recording address of border start address and border on the described a plurality of borders except that described last border of described a plurality of recording areas.
40, information storage medium as claimed in claim 35, wherein, the type of described logging mode is the recorded at random pattern.
41, information storage medium as claimed in claim 40, wherein, the form of the described last border on described a plurality of borders comprise indication work as the described last border on described a plurality of borders when being in open mode bunch the bitmap of recording status.
42, information storage medium as claimed in claim 41, wherein, the record management data on remaining a plurality of border only comprises each the start address and the last recording address on described remaining a plurality of border.
43, information storage medium as claimed in claim 41, wherein, the record management data on a plurality of borders of described remaining of closing does not comprise each the bitmap on described remaining a plurality of border, thereby has increased the memory capacity of the bitmap of the described last border that can be used for described a plurality of borders.
44, information storage medium as claimed in claim 37, wherein, the record management data of the described last border on described a plurality of borders comprises the last recording address of the described last border on the start address of described last border on the described last border of indicating described a plurality of borders status information that close or that open, described a plurality of borders and described a plurality of borders, and the record management data on described remaining a plurality of border comprises each the start address and the last recording address on described remaining a plurality of border.
45, information storage medium as claimed in claim 44, wherein, described status information indicates also whether the described last border on described a plurality of borders is types that open and the free time and logging mode.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040000374 | 2004-01-05 | ||
| KR1020040000374 | 2004-01-05 | ||
| KR1020040034293 | 2004-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1902698A true CN1902698A (en) | 2007-01-24 |
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ID=37261649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200480039929XA Pending CN1902698A (en) | 2004-01-05 | 2004-12-28 | Method and apparatus for recording and/or reproducing data and write-once information storage medium |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20050072042A (en) |
| CN (1) | CN1902698A (en) |
| TW (1) | TWI298835B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908359A (en) * | 2017-11-03 | 2018-04-13 | 清华大学深圳研究生院 | A kind of otp memory and its data write-in and read method, safety chip |
-
2004
- 2004-05-14 KR KR1020040034293A patent/KR20050072042A/en not_active Application Discontinuation
- 2004-12-27 TW TW093140717A patent/TWI298835B/en not_active IP Right Cessation
- 2004-12-28 CN CNA200480039929XA patent/CN1902698A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908359A (en) * | 2017-11-03 | 2018-04-13 | 清华大学深圳研究生院 | A kind of otp memory and its data write-in and read method, safety chip |
| CN107908359B (en) * | 2017-11-03 | 2020-12-29 | 清华大学深圳研究生院 | OTP memory, data writing and reading method thereof and security chip |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI298835B (en) | 2008-07-11 |
| KR20050072042A (en) | 2005-07-08 |
| TW200523735A (en) | 2005-07-16 |
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