CN104298466B - Disc reading method and device - Google Patents

Abstract

Embodiments of the present invention provide a method and device for reading an optical disc. The method includes: when an optical disc is detected in the optical drive, generating an image file of the optical disc in a high-speed storage medium; mapping the image file into a virtual optical drive; copying data in the virtual optical drive to a target path. It avoids repeated addressing and positioning on the optical disc when directly reading the optical disc drive, and improves the read speed and success rate of the optical disc data.

Description

Optical disc reading method and device

technical field

The invention relates to computer technology, in particular to a method and device for reading an optical disc.

Background technique

At present, the content resource information of the newspaper industry and important historical newspaper information are stored and backed up by burning CDs. However, these CDs are only stored for three to five years. When information is extracted, it is found that the data is very difficult to read. , slow reading speed or even failure and many other problems, resulting in the loss of precious data.

The main reason for the slow reading speed and low success rate of the above data is that the readability of the optical disc decreases after a certain storage time. Up addressing and positioning, and the positioning success rate is low, resulting in copy failure.

Contents of the invention

The invention provides a method and device for reading an optical disc, which is used to solve the problems of slow reading speed and low success rate caused by direct reading of the optical drive when the data files stored in the optical disc are many and fragmented in the prior art.

The first aspect of the present invention is to provide a method for reading an optical disc, including:

When an optical disc is detected in the optical drive, an image file of the optical disc is generated in a high-speed storage medium;

Mapping the image file as a virtual optical drive;

Copy the data in the virtual optical drive to the target path.

A second aspect of the present invention is to provide an optical disc reading device, comprising:

The image module is used to generate the image file of the optical disc in the high-speed storage medium when the optical disc is detected in the optical drive;

A virtualization module, configured to map the image file as a virtual optical drive;

The reading module is used to copy the data in the virtual optical drive to the target path.

The technical effect of the present invention is: by generating the image file of the optical disc in the high-speed storage medium, and mapping the image file into a virtual optical drive, and then copying the data in the virtual optical drive to the target path, it avoids the need to directly read the optical disc when the optical drive is read. Repeated addressing and positioning on the disc improves the read speed and success rate of the disc data.

Description of drawings

FIG. 1 is a schematic flowchart of an optical disc reading method provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an optical disc reading device provided by an embodiment of the present invention.

detailed description

FIG. 1 is a schematic flowchart of an optical disc reading method provided by an embodiment of the present invention. As shown in Figure 1, the method includes:

101. When an optical disc is detected in an optical drive, generate an image file of the optical disc in a high-speed storage medium.

For example, when an optical disc is detected in the optical drive, the optical disc reading device generates an image file of the optical disc in the high-speed storage medium. Specifically, a high-speed storage medium refers to a storage medium with a reading speed greater than 70 megabytes per second (MB/s), such as a local hard disk, a fiber optic disk cabinet, and the like.

Further, the generating the image file of the optical disc in the high-speed storage medium includes:

An image file of the optical disc is generated in a high-speed storage medium in an isolation (Isolation, ISO for short) data format.

Under normal circumstances, for a recordable digital versatile disc (Digital Versatile Disc-Recordable, DVD-R) with a capacity of 4.6 gigabytes (GB) in a 4x speed optical drive, the local hard disk generates the The DVD-R image file takes about 15-16 minutes.

102. Map the image file to a virtual optical drive.

In the process of mapping, it is necessary to specify the drive letter corresponding to the virtual CD-ROM drive. Correspondingly, 102 includes:

Map the image file to a virtual optical drive corresponding to a specified drive letter.

Specifically, the specified drive letter may be pre-assigned, or specified by the user during the mapping process. Usually, the specified drive letter is a drive letter different from the existing drive letter in the high-speed storage medium, such as Z:.

103. Copy the data in the virtual optical drive to the target path.

Specifically, the copying in step 103 includes at least two modes, namely automatic mode and manual mode.

In automatic mode, the 103 includes:

All data in the specified drive letter is automatically copied to the target path.

Specifically, the target path may be preset.

In manual mode, the 103 includes:

Obtaining the list of files and folders of the optical disc from the specified drive letter, and presenting it;

determining the target path and the file or folder to be copied according to the user instruction;

Copy the file or folder to be copied to the target path.

Specifically, the presentation may be presented in the form of a list on the interface of the optical disc reading device.

The embodiment of the present invention generates an image file of an optical disc in a high-speed storage medium, and maps the image file to a virtual optical drive, and then copies the data in the virtual optical drive to the target path, thereby avoiding repeated errors on the optical disc when directly reading the optical drive. Addressing positioning improves the read speed and success rate of optical disc data. It should be noted that the embodiment of the present invention is applicable to all stored data files and fragmented optical discs, no matter how long or short the storage time is, or the optical disc currently in use. , resulting in slow reading speed and low success rate of each reading, the effect of the embodiment of the present invention is more obvious. According to actual tests, for a DVD-R with a capacity of 4.6GB, it takes about 60 to 100 minutes to read directly using the existing technology, and the success rate is only 70%, while using the method of the embodiment of the present invention takes about 25 minutes, and the success rate is only 70%. Reach 98%.

FIG. 2 is a schematic structural diagram of an optical disc reading device provided by an embodiment of the present invention. As shown in Figure 2, the device includes:

A mirror image module 21, configured to generate a mirror image file of the optical disc in the high-speed storage medium when the optical disc is detected in the optical drive;

A virtualization module 22, configured to map the image file as a virtual optical drive;

The reading module 23 is configured to copy the data in the virtual optical drive to the target path.

Specifically, a high-speed storage medium refers to a storage medium with a reading speed greater than 70 megabytes per second (MB/s), such as a local hard disk, a fiber optic disk cabinet, and the like.

Further, the image module 21 is specifically configured to: when an optical disc is detected in the optical drive, generate an image file of the optical disc in the high-speed storage medium in ISO data format.

Further, the virtualization module 22 is specifically configured to: map the image file to a virtual optical drive corresponding to a specified drive letter.

Optionally, the reading module 23 is specifically used for:

All data in the specified drive letter is automatically copied to the target path.

Optionally, the reading module 23 is specifically used for:

Obtaining the list of files and folders of the optical disc from the specified drive letter, and presenting it;

determining the target path and the file or folder to be copied according to the user instruction;

Copy the file or folder to be copied to the target path.

For the specific implementation of this embodiment, refer to the method for reading an optical disc provided in the embodiment of the present invention. The embodiment of the present invention generates an image file of an optical disc in a high-speed storage medium, and maps the image file to a virtual optical drive, and then copies the data in the virtual optical drive to the target path, thereby avoiding repeated errors on the optical disc when directly reading the optical drive. Addressing positioning improves the read speed and success rate of optical disc data. It should be noted that the embodiment of the present invention is applicable to all stored data files and fragmented optical discs, no matter how long the storage time is, or the optical disc currently in use. , resulting in slow reading speed and low success rate of each reading, the effect of the embodiment of the present invention is more obvious. According to actual tests, for a DVD-R with a capacity of 4.6GB, it takes about 60 to 100 minutes to read directly using the existing technology, and the success rate is only 70%, while using the method of the embodiment of the present invention takes about 25 minutes, and the success rate is only 70%. Reach 98%.

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above-mentioned method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (5)

1. a kind of disc reading method, it is characterised in that including：

When detecting CD in CD-ROM drive, the image file of the CD is generated in high speed storing medium；

The image file is mapped as virtual drive；

By under the data duplication in the virtual drive to destination path；

Wherein, it is described that the image file is mapped as virtual drive, including：The image file is mapped as correspondence given disc The virtual drive of symbol；

The duplication includes automatic mode and manual mode；Accordingly, the data duplication by the virtual drive is to mesh Mark under path, including：Under the automatic mode, all data in the specified drive are automatically copied into what is pre-set Under destination path；Under the manual mode, the file and Folder List of the CD are obtained from the specified drive, and Presented with list mode；Destination path is determined according to user instruction and file or folder to be copied；Treat multiple by described The file or folder of system is copied under the destination path.

2. according to the method described in claim 1, it is characterised in that the mirror that the CD is generated in high speed storing medium As file, including：

The image file of the CD is generated in high speed storing medium with ISO data formats.

3. method according to claim 1 or 2, it is characterised in that the high speed storing medium is local hard drive or optical fiber Disk chassis.

4. a kind of disc accessing, it is characterised in that including：

Mirror module, the mirror image text for when detecting CD in CD-ROM drive, generating the CD in high speed storing medium Part；

Virtualization modules, for the image file to be mapped as into virtual drive；

Read module, for by under the data duplication in the virtual drive to destination path；

Wherein, the virtualization modules specifically for：The image file is mapped as to the virtual drive of the specified drive of correspondence；

The duplication includes automatic mode and manual mode；Accordingly, the read module specifically for：In automatic mode, All data in the specified drive are automatically copied under the destination path pre-set；Or, the read module tool Body is used for：Under the manual mode, the file and Folder List of the CD are obtained from the specified drive, and to arrange Table mode is presented；Destination path is determined according to user instruction and file or folder to be copied；Will be described to be copied File or folder is copied under the destination path.

5. device according to claim 4, it is characterised in that the mirror module specifically for：When the detection in CD-ROM drive During to CD, the image file of the CD is generated in high speed storing medium with ISO data formats.