CN102332280A - Disc recognition method, system and digital video disc (DVD) player - Google Patents
Disc recognition method, system and digital video disc (DVD) player Download PDFInfo
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- CN102332280A CN102332280A CN2010102254023A CN201010225402A CN102332280A CN 102332280 A CN102332280 A CN 102332280A CN 2010102254023 A CN2010102254023 A CN 2010102254023A CN 201010225402 A CN201010225402 A CN 201010225402A CN 102332280 A CN102332280 A CN 102332280A
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Abstract
The invention is suitable for the field of household electrical appliances and provides a disc recognition method, a system and a digital video disc (DVD) player. The method specifically comprises the following steps of: obtaining the title number and the chapter and section number of a disc to be detected; judging whether a first disc which has the same title number and the same chapter and section number as those of the disc to be detected exists in a pre-stored played disc or not; and if not, determining the disc to be detected as an unplayed disc. The technical scheme provided by the invention has the advantages that the decryption algorithm is not required to run, the spent time is short and the recognition efficiency is high.
Description
Technical field
The invention belongs to household appliance technical field, relate in particular to a kind of recognition methods, system and DVD player of CD.
Background technology
(Digital Video Disc DVD) is the common equipment of present household electrical appliance to Digital video disc, and the method for the DVD player identification CD of prior art adopts the sequence number of CD to judge whether CD is new CD (CD of promptly not playing) usually.
According to the technical scheme that prior art provided, find to exist in the prior art following technical matters:
The technical scheme that prior art provides is to adopt the sequence number of CD to judge whether CD is new CD, and the sequence number that obtains CD need carry out the calculating of decipherment algorithm to CD, and the operation decipherment algorithm need take a long time, and recognition efficiency is low.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of recognition methods of CD, and the method spended time of DVD player identification CD that is intended to solve prior art is long, the problem that recognition efficiency is low.
The embodiment of the invention is achieved in that a kind of recognition methods of CD, and said method specifically comprises the steps:
Obtain the title quantity and the chapters and sections quantity of CD to be checked;
Judge in the CD of storing in advance of having broadcast whether first CD identical with chapters and sections quantity with the title quantity of said CD to be checked is arranged;
If no, confirm that then said CD to be checked is the CD of not playing.
The present invention also provides a kind of recognition methods of CD, and said method specifically comprises:
Obtain the information of CD to be checked;
In the information of the information of broadcasting CD of judging in advance storage and said CD to be checked not simultaneously, do not confirm that this CD to be checked is the CD of broadcast not.
The present invention also provides a kind of recognition system of CD, and said system comprises:
Acquiring unit is used to obtain the information of CD to be checked, said acquiring unit one by one or gradation obtain optical disc information;
Logic judgment unit; With the optical disc information that acquiring unit obtains, compare with the information of broadcasting CD of storage in advance respectively, all identical like full detail; Then confirm the CD of this CD to be checked, confirm then that as wherein arbitrary information is inequality this CD to be checked is the CD of not playing for having play.
The present invention also provides a kind of DVD player, and this DVD player comprises the recognition system of above-mentioned CD.
The embodiment of the invention compared with prior art, beneficial effect is: technical scheme of the present invention judges whether to be new CD according to the quantity of title and chapters and sections, so this method need not moved decipherment algorithm, has and takes a short time the advantage that recognition efficiency is high.
Description of drawings
Fig. 1 is the process flow diagram of the recognition methods of a kind of CD provided by the invention;
Fig. 2 is the process flow diagram of the recognition methods of the CD that provides of the embodiment of the invention one;
Fig. 3 is the structural drawing of the recognition system of a kind of CD of providing of the scheme 1 of the embodiment of the invention two;
Fig. 4 is the structural drawing of the recognition system of a kind of CD of providing of the scheme 2 of the embodiment of the invention two;
Fig. 5 is the structural drawing of the recognition system of a kind of CD of providing of the scheme 3 of the embodiment of the invention two;
Fig. 6 is the structural drawing of the recognition system of a kind of CD of providing of the scheme 4 of the embodiment of the invention two;
Fig. 7 is the structural drawing of the recognition system of a kind of CD of providing of the scheme 5 of the embodiment of the invention two.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Method provided by the invention determines whether the CD for having play according to the title of CD and the number of chapters and sections, so this technical scheme need not moved decipherment algorithm, has and takes a short time the advantage that operational efficiency is high.
The present invention provides a kind of recognition methods of CD, and this method is as shown in Figure 1, specifically comprises the steps:
In step S11, obtain the title quantity and the chapters and sections quantity of CD to be checked;
In step S12, judge in the CD of storing in advance of having broadcast whether first CD identical with chapters and sections quantity with the title quantity of said CD to be checked is arranged;
In step S13, as judge and do not have, confirm that then said CD to be checked be the CD of broadcast not.
Method provided by the invention identification CD is that title quantity and the chapters and sections quantity through this CD judges whether to new CD (promptly not the CD of broadcast); So this method need not carried out the operation of decipherment algorithm; Have and take a short time the advantage that recognition efficiency is high.
The present invention also provides a kind of recognition methods of CD, and this method specifically comprises:
Obtain the information of CD to be checked; In the information of the information of broadcasting CD of judging in advance storage and said CD to be checked not simultaneously, do not confirm that this CD to be checked is the CD of broadcast not.
Need to prove, above-mentioned different standard can for: the arbitrary information in the information of CD to be checked with broadcast in the CD with the corresponding information of arbitrary information not simultaneously, be difference; When comparing, this type of info should be identical, promptly compares with category information, for example title quantity contrast title quantity, chapters and sections quantity contrast chapters and sections quantity etc.
Method provided by the invention identification CD is that the information through this CD judges whether to new CD (CD of promptly not playing), so this method need not carried out the operation of decipherment algorithm, has and takes a short time the advantage that recognition efficiency is high.
Embodiment one:
Present embodiment provides a kind of recognition methods of CD; The method that present embodiment provides is accomplished by DVD player; This DVD player comprises that (promptly storage) in advance broadcast title (title) quantity and chapters and sections (chapter) quantity of CD; And video target files (video Dbjects, quantity VOB) and the size of each vob file of having broadcast DVD; This pass dish specifically can be DVD CD, VCD CD or blue-ray DVD CD; Above-mentioned DVD player specifically can be DVD disc player or DVD drive etc.This method is as shown in Figure 2: specifically comprise the steps:
For ease flow process is understood, and defines one first CD: i.e. title quantity and title quantity with the chapters and sections quantity identical CD of chapters and sections quantity with DVD to be checked.
In step S21, obtain the title quantity and the chapters and sections quantity of CD to be checked;
In step S22, judge whether from the optical disc data of having broadcast, to search out first CD similar with CD to be checked; As not, then carry out S23; In this way, then carry out S24 and S25.
In step S23, confirm the CD (be new CD) of this CD to be checked for not playing;
In step S24, obtain the VOB quantity of CD to be checked;
In step S25, judge whether the VOB quantity of above-mentioned CD to be checked is identical with the VOB quantity of above-mentioned first CD; As otherwise carry out S23, like identical S26 and the S27 of then carrying out;
In step S26, obtain the corresponding vob file physical sector size of index of each VOB in the above-mentioned CD to be checked;
In step S27, judge the corresponding vob file physical sector size of the index of each VOB in the CD to be checked whether with first CD in the corresponding vob file physical sector size of the index of each VOB identical, then carry out S28 as identical, otherwise carry out S23;
In step S28, judge this CD to be checked for broadcasting CD.
Needing explanation is that the execution sequence of above-mentioned steps S24 also can be after step S21 before the S22; When above-mentioned S24 is after S21, do not influence the execution sequence of S22.
When S24 and S26 simultaneously S21 after S22 do not influence the execution sequence of S22, S25, S27 before the time.
It also is passable that the title quantity of present embodiment CD and chapters and sections quantity read step by step; Do not influence the execution of judging flow process; In fact for judging whether the CD to be checked and the CD of storage in advance are same CD; As long as any one information of CD is different, then both are different CDs, so determining step can be arbitrarily for any one optical disc information judgement order of obtaining.
The method that present embodiment provides through contrast in the CD to be checked title quantity and chapter quantity with broadcast in the CD title and chapter quantity confirm whether this CD to be checked is new CD; And title quantity and chapter quantity are through reading the IFO (inFOrmation in the CD; Information) obtain, read the IFO file than short many of computing institute's time spent of carrying out decipherment algorithm, and many efficiently; So this method is when judging whether CD is new CD; Do not have and need move decipherment algorithm, take a short time, the advantage that operational efficiency is high.
Embodiment two:
Present embodiment provides a kind of recognition system of CD, and this system can comprise any technical scheme that is described below:
Scheme 1: the system that scheme 1 provides is as shown in Figure 3, specifically comprises:
First acquiring unit 31 obtains the title quantity and the chapters and sections quantity of CD to be checked;
First confirms that unit 33 judges when not having at first judging unit 32, confirms the CD of said CD to be checked for not playing.
Scheme 2: scheme 2 can comprise all unit of scheme 1, and except all unit that comprise scheme 1, it can also comprise that like lower unit its concrete structural drawing is as shown in Figure 4:
Second acquisition unit 41 is judged sometimes 32 at first judging unit, obtains the video target files VOB quantity of said CD to be checked;
Second judging unit 42 judges whether the VOB quantity of said CD to be checked is identical with the VOB quantity of said first CD,
Second confirms that unit 43 judges when inequality at second judging unit 42, confirms the CD of said CD to be checked for not playing.
Scheme 3: scheme 3 can comprise all unit of scheme 2, and except all unit that comprise scheme 2, it can also comprise that like lower unit its concrete structural drawing is as shown in Figure 5:
The 3rd acquiring unit 51 is judged when identical at second judging unit 42, obtains the corresponding vob file physical sector size of index of each VOB in the said CD to be checked;
The 3rd judging unit 52 judges that the corresponding vob file physical sector size of the index of each VOB in the said CD to be checked is whether identical with the corresponding vob file physical sector size of the index of each VOB of said first CD,
The 3rd confirms unit 53 when the 3rd judgment unit judges 52 goes out not, confirms that then said CD to be checked is the CD of not playing; Judge when being at the 3rd judging unit 52, then confirm the CD of said CD to be checked for having play.
Scheme 4: scheme 4 can comprise all unit of scheme 1, and except all unit that comprise scheme 1, it can also comprise that like lower unit its concrete structural drawing is as shown in Figure 6:
The 4th acquiring unit 61 obtains the video target files VOB quantity of said CD to be checked after first acquiring unit 31 obtains the title quantity and chapters and sections quantity of CD to be checked;
When the 4th judging unit 62 has been judged said first CD at first judging unit 32, judge whether the VOB quantity of said CD to be checked is identical with the VOB quantity of said first CD;
The 4th confirms that unit 63 judges when inequality at the 4th judging unit 62, confirms the CD of said CD to be checked for not playing.
Scheme 5: scheme 5 can comprise all unit of scheme 1, and except all unit that comprise scheme 1, it can also comprise that like lower unit its concrete structural drawing is as shown in Figure 7:
The 5th acquiring unit 71 obtains the corresponding vob file physical sector size of index of each VOB in video target files VOB quantity and the said CD to be checked of said CD to be checked after first acquiring unit 31 obtains the title quantity and chapters and sections quantity of CD to be checked;
When the 4th judging unit 62 has been judged said first CD at first judging unit 32, judge whether the VOB quantity of said CD to be checked is identical with the VOB quantity of said first CD;
The 5th judging unit 72 is judged when identical at the 4th judging unit 62; Judge that then the corresponding vob file physical sector size of the index of each VOB in the said CD to be checked is whether identical with the corresponding vob file physical sector size of the index of each VOB of said first CD
The 5th confirms unit 73 when said the 5th judgment unit judges goes out not, confirms that said CD to be checked is the CD of not playing; Go out when being in said the 5th judgment unit judges, confirm the CD of said CD to be checked for having play.
It is understandable that; Different acquiring units can be integrated into an acquiring unit in the aforementioned approaches case of present embodiment; Judging unit and definite unit can be integrated into a logic judgment unit, and the workflow between acquiring unit and the logic judgment unit has two kinds of modes, and a kind of mode is that acquiring unit obtains corresponding optical disc information step by step; Logic judgment unit is judged according to the optical disc information that acquiring unit provides step by step; Be that acquiring unit obtains an optical disc information, logic judgment unit judges that once process is between the two alternately carried out; Another kind of mode is that acquiring unit once obtains a plurality of or whole optical disc informations, the optical disc information substep judgement one by one that logic judgment unit provides according to acquiring unit.
It is understandable that acquiring unit, judging unit and definite unit different in the scenarios of present embodiment can be integrated into a logic judgment unit, its information according to the acquiring unit input is carried out logic determines.
When system combination becomes an acquiring unit and a logic judgment unit; Workflow between acquiring unit and the logic judgment unit has two kinds of modes; A kind of mode is that acquiring unit substep (promptly repeatedly) obtains corresponding optical disc information, and logic judgment unit judges step by step that according to the optical disc information that acquiring unit provides promptly acquiring unit obtains an optical disc information; Logic judgment unit judges that once process is between the two alternately carried out; Another kind of mode is that acquiring unit once obtains a plurality of or whole optical disc informations; The optical disc information substep judgement one by one that logic judgment unit provides according to acquiring unit; As it is different with the optical disc information of storage in advance to judge this optical disc information that obtains, and then confirms as the CD of not playing.
Among the present invention, the information that acquiring unit obtains CD to be checked comprises: one or more in the corresponding vob file physical sector size of the index of title quantity, chapters and sections quantity, VOB quantity, each VOB.
Be appreciated that; Among the present invention, it also is passable that the title quantity of CD and chapters and sections quantity read step by step, does not influence the execution of judging flow process; In fact for judging whether the CD to be checked and the CD of storage in advance are same CD; As long as any one information of CD is different, then both are different CDs, so judging unit can be arbitrarily for any one optical disc information judgement order that acquiring unit obtains.
The system that present embodiment provides through contrast in the CD to be checked title quantity and chapter quantity with broadcast in the CD title and chapter quantity confirm whether this CD to be checked is new CD; And title quantity and chapter quantity are through reading the IFO (inFOrmation in the CD; Information) obtain; It is more efficiently than the computing of carrying out decipherment algorithm to read the IFO file, so this system when judging whether CD is new CD, does not have and need move decipherment algorithm; Take a short time the advantage that operational efficiency is high.
The present invention also provides a kind of DVD player, and above-mentioned DVD player comprises the recognition system of above-mentioned CD.
The DVD player that present embodiment provides through contrast in the CD to be checked title quantity and chapter quantity with broadcast in the CD title and chapter quantity confirm whether this CD to be checked is new CD; And title quantity and chapter quantity are through reading the IFO (inFOrmation in the CD; Information) obtain; It is more efficiently than the computing of carrying out decipherment algorithm to read the IFO file, so this DVD player when judging whether CD is new CD, does not have and need move decipherment algorithm; Take a short time the advantage that operational efficiency is high.
It should be noted that in above-mentioned DVD player and the system embodiment that each included unit is just divided according to function logic, but is not limited to above-mentioned division, as long as can realize function corresponding; In addition, the concrete title of each functional unit also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
In addition; One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Corresponding program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a ROM (read-only memory), disk or CD etc.
In sum, technical scheme provided by the invention does not have need move decipherment algorithm, takes a short time the advantage that operational efficiency is high.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the recognition methods of a CD is characterized in that, said method specifically comprises the steps:
Obtain the title quantity and the chapters and sections quantity of CD to be checked;
Judge in the CD of storing in advance of having broadcast whether first CD identical with chapters and sections quantity with the title quantity of said CD to be checked is arranged;
If no, confirm that then said CD to be checked is the CD of not playing.
2. method according to claim 1 is characterized in that, whether said method has the step of first CD identical with chapters and sections quantity with the title quantity of said CD to be checked also to comprise afterwards in the CD of having broadcast of judging storage in advance:
If have, then obtain the video target files VOB quantity of said CD to be checked;
Whether the VOB quantity of judging said CD to be checked is identical with the VOB quantity of said first CD, confirms then that as inequality said CD to be checked is the CD of not playing.
3. method according to claim 1 is characterized in that, whether said method has the step of first CD identical with chapters and sections quantity with the title quantity of said CD to be checked also to comprise afterwards in the CD of having broadcast of judging storage in advance:
When having judged said first CD, obtain the video target files VOB quantity of said CD to be checked;
Whether the VOB quantity of judging said CD to be checked is identical with the VOB quantity of said first CD,
As identical, then obtain the corresponding vob file physical sector size of index of each VOB in the said CD to be checked;
Judge that the corresponding vob file physical sector size of the index of each VOB in the said CD to be checked is whether identical with the corresponding vob file physical sector size of the index of each VOB of said first CD, as not, confirm that then said CD to be checked is the CD of broadcast not; In this way, then confirm the CD of said CD to be checked for having play.
4. method according to claim 1; It is characterized in that whether said method has the step of first CD identical with chapters and sections quantity with the title quantity of said CD to be checked also to comprise before: the video target files VOB quantity of obtaining said CD to be checked in the CD of having broadcast of judging storage in advance.
5. method according to claim 1; It is characterized in that said method also comprises before whether the step of first CD identical with chapters and sections quantity with the title quantity of said CD to be checked is arranged in the CD of having broadcast of judging storage in advance: it is big or small to obtain the corresponding vob file physical sector of the index of each VOB in video target files VOB quantity and the said CD to be checked of said CD to be checked.
6. the recognition methods of a CD is characterized in that, said method specifically comprises:
Obtain the information of CD to be checked;
In the information of the information of broadcasting CD of judging in advance storage and said CD to be checked not simultaneously, do not confirm that this CD to be checked is the CD of broadcast not.
7. method according to claim 6 is characterized in that, said information comprises: one or more in the corresponding vob file physical sector size of the index of title quantity, chapters and sections quantity, video target files VOB quantity and each VOB.
8. the recognition system of a CD is characterized in that, said system comprises:
Acquiring unit is used to obtain the information of CD to be checked, said acquiring unit one by one or gradation obtain optical disc information;
Logic judgment unit; With the optical disc information that acquiring unit obtains, compare with the information of broadcasting CD of storage in advance respectively, all identical like full detail; Then confirm the CD of this CD to be checked, confirm then that as wherein arbitrary information is inequality this CD to be checked is the CD of not playing for having play.
9. the recognition system of a kind of CD according to claim 8; It is characterized in that said information comprises: one or more in the corresponding vob file physical sector size of the index of title quantity, chapters and sections quantity, video target files VOB quantity and each VOB.
10. a DVD player is characterized in that, said DVD player comprises the recognition system of CD as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102254023A CN102332280A (en) | 2010-07-12 | 2010-07-12 | Disc recognition method, system and digital video disc (DVD) player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102254023A CN102332280A (en) | 2010-07-12 | 2010-07-12 | Disc recognition method, system and digital video disc (DVD) player |
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| CN102332280A true CN102332280A (en) | 2012-01-25 |
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| CN2010102254023A Pending CN102332280A (en) | 2010-07-12 | 2010-07-12 | Disc recognition method, system and digital video disc (DVD) player |
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| CN1901071A (en) * | 2005-07-07 | 2007-01-24 | Lg电子株式会社 | Method for reproducing select main title in optical disc device |
| CN101091219A (en) * | 2004-12-29 | 2007-12-19 | 皇家飞利浦电子股份有限公司 | Method and apparatus for playing an optical disc |
| CN101118770A (en) * | 2006-08-03 | 2008-02-06 | 上海乐金广电电子有限公司 | Automatic chapter setting devices and methods therefor |
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2010
- 2010-07-12 CN CN2010102254023A patent/CN102332280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206903A (en) * | 1997-01-10 | 1999-02-03 | 日本胜利株式会社 | Producing and writing in cipher book, method, device and sysetm for reproducing its information |
| CN1607590A (en) * | 2002-10-15 | 2005-04-20 | Lg电子株式会社 | Method and device for managing password in optical disc apparatus |
| CN101091219A (en) * | 2004-12-29 | 2007-12-19 | 皇家飞利浦电子股份有限公司 | Method and apparatus for playing an optical disc |
| CN1901071A (en) * | 2005-07-07 | 2007-01-24 | Lg电子株式会社 | Method for reproducing select main title in optical disc device |
| CN101118770A (en) * | 2006-08-03 | 2008-02-06 | 上海乐金广电电子有限公司 | Automatic chapter setting devices and methods therefor |
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Application publication date: 20120125 |