CN108231093A - A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications - Google Patents
A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications Download PDFInfo
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- CN108231093A CN108231093A CN201810147421.5A CN201810147421A CN108231093A CN 108231093 A CN108231093 A CN 108231093A CN 201810147421 A CN201810147421 A CN 201810147421A CN 108231093 A CN108231093 A CN 108231093A
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- embedded
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- high definition
- erasure
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0055—Erasing
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- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The present invention provides a kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications, and process is：1) user clicks optical media replication button, host can detect CD in CD-ROM drive whether one be blank CD, one is substantial CD；After meeting copy condition, host can first read the file system type of CD, and according to file system type, host obtains the CD label of CD；2) host carry source CD, and purpose disk format is turned into UDF file system；3) host scanning source CD mount directory, judges whether catalogue file is video file；4) if video file, then erasure processing is judged whether to；5) if video file and progress erasure function treatment, carry out respective handling；6) UDF CD closing disk interfaces are called, carry out CD closing disk.After video file erasure inside this method CD, ensure that video can also play normally, play a significant role in the case security work in public security organs' trial field.
Description
Technical field
The invention belongs to field of video monitoring, erasure during more particularly, to a kind of realization embedded digital video recorder (DVR) and NVR optical media replications
Method.
Background technology
With the continuous expansion in public security organs' trial field, more and more state secrets, business are necessarily involved in work
Secret, trial secret and individual privacy.So public security organs' industry has stringent security requirements.And the embedded hearing master of high definition
A special industry master that for public security organs industry develops of the embedded court's trial host of machine, high definition as embedded conceptual design
Machine, it can support that SDI/ is simulated and the mixing of network high-definition signal accesses, and its audio-video signal is carried out local export back
Aobvious and Video coding is locally stored, real-time CD burning, duplication and network real-time video are propagated.Simultaneously in security work
There is many advantages.
The embedded hearing host of high definition, the embedded court's trial host of high definition are used for the collected sound of real-time display embedded device
Vision signal, and signal is subjected to video recording storage, and real-time imprinting and subsequent backup quarter can be carried out when user needs
Record.During real-time imprinting, the video recording of same period is at most burnt in two CDs, and sometimes different judicial authorities, which are returned, looks into same a case
It needs to take away CD during part, it is not enough to may result in CD in this way.For this problem, optical media replication function has been added, has been solved
Certainly this awkward situation.Along with the exploitation of optical media replication function, erasure treatment technology comes into being, and the video recording after erasure plays just
Often, but audio can't hear.This technology plays unique effect in case security work.Therefore, it is embedding to research and develop a kind of realization
The method of erasure is a urgent problem to be solved when entering formula DVR and NVR optical media replication.
Invention content
In view of this, the present invention is directed to propose a kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications, branch
The operation of erasure function is carried out when holding embedded digital video recorder (DVR), NVR equipment optical media replications.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications, process are as follows：
1) user clicks optical media replication button, and the embedded embedded court's trial host of hearing host/high definition of high definition can detection light
CD in drive whether one be blank CD, one is substantial CD；After meeting copy condition, the embedded hearing of high definition
The embedded court's trial host of host/high definition can first read the file system type of CD, and according to file system type, high definition is embedded
Inquest the CD label that the embedded court's trial host of host/high definition obtains CD.
2) the embedded hearing embedded court's trial host carry source CD of host/high definition of high definition, and by purpose Pre-formatting for Optical Disks
For UDF file system.
3) the embedded court's trial host scanning source CD mount directory of the embedded hearing host/high definition of high definition, judges catalogue text
Whether part is video file, and if not naked stream imprinting interface is directly invoked, file is burnt in purpose CD.
4) if video file, then erasure processing is judged whether to, if do not chosen, directly invokes naked stream and carve
Video file is burnt in purpose CD by record interface.
5) if video file and progress erasure function treatment, then first call video erasure interface, need hard
A ConvertVideo catalogue is created on disk, ConvertVideo mesh is placed on after the video file in the CD of source is removed audio
Under record, then the video file for removing audio is burnt in purpose CD again.
6) after the All Files imprinting inside source CD mount directory, UDF CD closing disk interfaces, this interface are recalled
CD label is needed, having sealed the CD of disk can read in PC machine.
Further, the model TC-H804N of the embedded hearing host of the high definition.
Further, the model TC-H908S of the embedded court's trial host of the high definition.
It is of the present invention to realize embedded digital video recorder (DVR) and the method for erasure has during NVR optical media replications relative to the prior art
Following advantage：Host can first read the file system type of CD in this method, and according to file system type, host obtains CD
CD label.After video file erasure inside CD, it is ensured that video can also play normally, and field is tried in public security organs
Case security work on play an important role.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications, process are as follows：
1) user clicks optical media replication button, and the embedded embedded court's trial host of hearing host/high definition of high definition can detection light
CD in drive whether one be blank CD, one is substantial CD；After meeting copy condition, the embedded hearing of high definition
The embedded court's trial host of host/high definition can first read the file system type of CD, and according to file system type, high definition is embedded
Inquest the CD label that the embedded court's trial host of host/high definition obtains CD.
2) the embedded hearing embedded court's trial host carry source CD of host/high definition of high definition, and by purpose Pre-formatting for Optical Disks
For UDF file system.
3) the embedded court's trial host scanning source CD mount directory of the embedded hearing host/high definition of high definition, judges catalogue text
Whether part is video file, and if not naked stream imprinting interface is directly invoked, file is burnt in purpose CD.
4) if video file, then erasure processing is judged whether to, if do not chosen, directly invokes naked stream and carve
Video file is burnt in purpose CD by record interface.
5) if video file and progress erasure function treatment, then first call video erasure interface, need hard
A ConvertVideo catalogue is created on disk, ConvertVideo mesh is placed on after the video file in the CD of source is removed audio
Under record, then the video file for removing audio is burnt in purpose CD again.
6) after the All Files imprinting inside source CD mount directory, UDF CD closing disk interfaces, this interface are recalled
CD label is needed, having sealed the CD of disk can read in PC machine.
The model TC-H804N of the embedded hearing host of high definition.The model of the embedded court's trial host of high definition
TC-H908S.CD is there are two types of file system, ISO and UDF, and host can be according to both different file system in this method
Select different optical media replication technologies.Host can first read the file system type of CD, and according to file system type, host obtains
Take the CD label of CD.After video file erasure inside CD, it is ensured that video can also play normally.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (3)
- A kind of 1. method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications, which is characterized in that its process is as follows：1) user clicks optical media replication button, and the embedded hearing embedded court's trial host of host/high definition of high definition can be detected in CD-ROM drive CD whether one be blank CD, one is substantial CD；After meeting copy condition, the embedded hearing master of high definition The embedded court's trial host of machine/high definition can first read the file system type of CD, and according to file system type, high definition is embedded to be examined Interrogate the CD label that the embedded court's trial host of host/high definition obtains CD；2) the embedded hearing embedded court's trial host carry source CD of host/high definition of high definition, and purpose disk format is turned into UDF File system；3) the embedded court's trial host scanning source CD mount directory of the embedded hearing host/high definition of high definition, judges that catalogue file is No is video file, and if not naked stream imprinting interface is directly invoked, file is burnt in purpose CD；4) if video file, then erasure processing is judged whether to, if do not chosen, directly invokes naked stream imprinting and connect Video file is burnt in purpose CD by mouth；5) if video file and progress erasure function treatment, then first call video erasure interface, need on hard disk A ConvertVideo catalogue is created, ConvertVideo catalogues are placed on after the video file in the CD of source is removed audio Under, then the video file for removing audio is burnt in purpose CD again.6) after the All Files imprinting inside source CD mount directory, UDF CD closing disk interfaces are recalled, this interface needs CD label, having sealed the CD of disk can read in PC machine.
- 2. a kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications according to claim 1, feature exist In：The model TC-H804N of the embedded hearing host of high definition.
- 3. a kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications according to claim 1, feature exist In：The model TC-H908S of the embedded court's trial host of high definition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147421.5A CN108231093A (en) | 2018-02-12 | 2018-02-12 | A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147421.5A CN108231093A (en) | 2018-02-12 | 2018-02-12 | A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications |
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| Publication Number | Publication Date |
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| CN108231093A true CN108231093A (en) | 2018-06-29 |
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| CN201810147421.5A Pending CN108231093A (en) | 2018-02-12 | 2018-02-12 | A kind of method of erasure when realizing embedded digital video recorder (DVR) and NVR optical media replications |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008257848A (en) * | 2007-04-06 | 2008-10-23 | Commissariat A L'energie Atomique | Method for intentionally degrading content of optical recording medium |
| JP2011040110A (en) * | 2007-12-03 | 2011-02-24 | Panasonic Corp | Optical recording medium initialization method and initialization device |
| CN102467938A (en) * | 2010-11-11 | 2012-05-23 | 北京同步科技有限公司 | Professional Blu-ray disc copying system with identification label |
| CN105575409A (en) * | 2015-12-16 | 2016-05-11 | 天津天地伟业数码科技有限公司 | Method for writing MP4 file into optical disc under embedded host computer |
-
2018
- 2018-02-12 CN CN201810147421.5A patent/CN108231093A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008257848A (en) * | 2007-04-06 | 2008-10-23 | Commissariat A L'energie Atomique | Method for intentionally degrading content of optical recording medium |
| JP2011040110A (en) * | 2007-12-03 | 2011-02-24 | Panasonic Corp | Optical recording medium initialization method and initialization device |
| CN102467938A (en) * | 2010-11-11 | 2012-05-23 | 北京同步科技有限公司 | Professional Blu-ray disc copying system with identification label |
| CN105575409A (en) * | 2015-12-16 | 2016-05-11 | 天津天地伟业数码科技有限公司 | Method for writing MP4 file into optical disc under embedded host computer |
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Application publication date: 20180629 |