CN110597674A - Memory detection method, device, video recording system and storage medium - Google Patents
Memory detection method, device, video recording system and storage medium Download PDFInfo
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- CN110597674A CN110597674A CN201910718665.9A CN201910718665A CN110597674A CN 110597674 A CN110597674 A CN 110597674A CN 201910718665 A CN201910718665 A CN 201910718665A CN 110597674 A CN110597674 A CN 110597674A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/273—Tester hardware, i.e. output processing circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Theoretical Computer Science (AREA)
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- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
The embodiment of the invention discloses a storage detection method, a storage detection device, a video system and a storage medium, wherein the detection method can perform comprehensive performance detection such as read-write detection, video write-in speed detection, file system detection and the like on a storage, and realizes the screening of bad cards and abnormal cards.
Description
Technical Field
The embodiment of the invention relates to the technical field of security monitoring video storage, in particular to a storage detection method, a storage detection device, a video system and a storage medium.
Background
In the household security camera, the video files are usually stored through storages such as an SD card or a U disk, the SD cards on the market are different in quality, screening of damaged cards is lacked during use, the damaged cards with quality problems can cause a lot of abnormal use problems for users, meanwhile, the video files need to be recorded in real time, the SD card or the U disk can frequently perform writing and reading operations, the service lives of the SD card and the U disk can be greatly influenced, the SD card and the U disk are easily burnt out and cannot be used, and great economic loss can be caused for the users.
Disclosure of Invention
Therefore, embodiments of the present invention provide a method and an apparatus for detecting a storage, a video recording system, and a storage medium, so as to solve the problems that the existing storages such as an SD card or a U disk have uneven quality, are lack of bad card screening, and are easily burned out when being frequently read and written.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of the embodiments of the present invention, a method for detecting a memory is provided, the method including:
performing read-write detection on the memory;
detecting the video recording writing speed of the memory;
and carrying out file system detection on the memory.
Further, the performing read-write detection on the memory includes:
writing a set of data at the memory physical address and reading;
randomly extracting a plurality of detection points from the physical address to respectively detect the consistency of the read-write data information;
when the number of the detection points with inconsistent read-write data information is lower than a first preset threshold value, judging that the memory is not damaged;
and when the number of the detection points with inconsistent read-write data information is not lower than a first preset threshold value, judging that the memory is damaged.
Further, the detecting the video recording writing speed of the memory includes:
acquiring frame data from a video acquired by a camera, and detecting the frame acquisition speed;
writing the frame data into the memory, and detecting a writing speed;
comparing the frame taking speed with the writing speed;
if the writing speed is lower than the frame fetching speed, judging that the memory is damaged;
and if the writing speed is not lower than the frame fetching speed, judging that the memory is not damaged.
Further, the performing file system detection on the memory includes:
when the file system of the memory is abnormal, the linked list in the memory is repaired to solve the abnormality, and if the abnormality is solved, the memory is judged to be not damaged.
Further, the method further comprises:
if the unsolved abnormality is repaired through the linked list, formatting the memory;
if the abnormality is solved, judging that the memory is not damaged;
if the exception is not resolved, the memory is determined to be corrupted.
Further, the memory includes at least one of an SD card and a usb disk.
According to a second aspect of the embodiments of the present invention, there is provided a memory detection apparatus, the apparatus including:
the read-write detection module is used for carrying out read-write detection on the memory;
the video writing detection module is used for detecting the video writing speed of the memory;
and the file system detection module is used for carrying out file system detection on the memory.
According to a third aspect of the embodiments of the present invention, a video recording system is provided, where the system includes the above-mentioned memory detection device and video recording writing device;
the video recording writing device is used for starting normal recording when the memory is detected to be undamaged;
pre-caching videos collected by a camera in a memory of the camera;
and when the size of the cache file reaches a second preset threshold value, writing the cache file into the memory.
According to a fourth aspect of embodiments of the present invention, a computer storage medium is provided, the computer storage medium having one or more program instructions embodied therein, the one or more program instructions executing the memory detection method as described above.
The embodiment of the invention has the following advantages:
the detection method can carry out comprehensive performance detection such as read-write detection, video recording write-in speed detection, file system detection and the like on the memory when the memory is used, so as to realize screening of bad cards and abnormal cards.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic flowchart of a memory detection method according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a memory detection apparatus according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a video recording system according to embodiment 3 of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment proposes a method for detecting a memory, where the memory includes at least one of an SD card and a usb disk, and the method includes:
and S110, performing read-write detection on the memory.
Further, the read-write detection of the memory comprises:
writing a set of data at a physical address of the memory and reading;
randomly extracting a plurality of detection points from the physical address to respectively detect the consistency of the read-write data information;
when the number of the detection points with inconsistent read-write data information is lower than a first preset threshold value, judging that the memory is not damaged;
and when the number of the detection points with inconsistent read-write data information is not lower than a first preset threshold value, judging that the memory is damaged.
In this embodiment, five detection points (i.e. five segments of physical addresses) are randomly extracted, whether the data of the write and read operations are consistent and accurate is detected, and if there are errors at 2 or more than 2 points, it is determined that the memory is damaged.
And S120, detecting the video recording writing speed of the memory.
Further, the detecting the video recording writing speed of the memory comprises:
acquiring frame data from a video acquired by a camera, and detecting the frame acquisition speed;
writing frame data into a memory, and detecting the writing speed;
comparing the frame taking speed with the writing speed;
if the writing speed is lower than the frame fetching speed, judging that the memory is damaged;
and if the writing speed is not lower than the frame fetching speed, judging that the memory is not damaged.
By taking frames of video and audio frame data collected by a camera, if the writing speed of the frame data written into a memory is lower than the frame taking speed, normal video recording cannot be performed, for example, a frame rate is 25/s of data stream, frames are lost when the speed of writing video into an SD card is lower than 40ms, normal video recording cannot be performed, and the card is determined to be a bad card.
And S130, carrying out file system detection on the memory.
Further, performing file system check on the memory, including:
when the file system of the memory is abnormal, the linked list in the memory is repaired to solve the abnormality, and if the abnormality is solved, the memory is judged to be not damaged.
Further, in step S130, the method further includes:
if the unsolved abnormality is repaired through the linked list, formatting the memory;
if the abnormity is solved, judging that the memory is not damaged;
if the exception is still unresolved, then a determination is made that the memory is corrupted.
Detecting a file system on the SD card, for example, when the SD card file system is changed into a read-only file system due to card pulling in a video recording process, firstly judging whether the problems can be solved by repairing linked lists in the SD card, secondly judging whether the problems that some linked lists cannot be repaired can be solved by formatting, and if not, determining that the card is a bad card.
According to the memory detection method provided by the embodiment, when the memory is used, the memory can be subjected to comprehensive performance detection such as read-write detection, video recording write-in speed detection, file system detection and the like, so that bad cards and abnormal cards can be screened.
Example 2
Corresponding to embodiment 1 described above, the present embodiment proposes a memory device detecting apparatus 200 including:
a read-write detection module 210, configured to perform read-write detection on the memory;
a video write detection module 220, configured to perform video write speed detection on the memory;
and the file system detection module 230 is configured to perform file system detection on the memory.
The functions performed by the components in the memory detection apparatus 200 according to the embodiment of the present invention have been described in detail in the memory detection method according to embodiment 1, and will not be described herein again.
Example 3
In correspondence with the above embodiment 2, this embodiment proposes a video recording system, which includes a memory detection device 200 and a video recording writing device 300 as in embodiment 2.
The memory test device 200 is used to perform any one of the method steps of a memory test method as described in embodiment 1.
The video recording and writing device 300 is used for starting normal recording when detecting that the memory is not damaged;
pre-caching videos collected by a camera in a memory of the camera;
and when the size of the cache file reaches a second preset threshold value, writing the cache file into the memory.
In the video recording system with the memory detection device provided by the embodiment, after the memory detection device screens out the bad cards and the abnormal cards, the use efficiency of the memory can be improved, the burning out can be effectively avoided, and the service life of the memory can be prolonged through the safe use storage process with the memory cache.
Example 4
In correspondence with embodiment 1 described above, this embodiment proposes a computer storage medium containing one or more program instructions that implement a memory detection method as described in embodiment 1.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A memory sensing method, the method comprising:
performing read-write detection on the memory;
detecting the video recording writing speed of the memory;
and carrying out file system detection on the memory.
2. The method according to claim 1, wherein the performing read-write detection on the memory comprises:
writing a set of data at the memory physical address and reading;
randomly extracting a plurality of detection points from the physical address to respectively detect the consistency of the read-write data information;
when the number of the detection points with inconsistent read-write data information is lower than a first preset threshold value, judging that the memory is not damaged;
and when the number of the detection points with inconsistent read-write data information is not lower than a first preset threshold value, judging that the memory is damaged.
3. The method as claimed in claim 1, wherein said detecting the video recording writing speed of the memory comprises:
acquiring frame data from a video acquired by a camera, and detecting the frame acquisition speed;
writing the frame data into the memory, and detecting a writing speed;
comparing the frame taking speed with the writing speed;
if the writing speed is lower than the frame fetching speed, judging that the memory is damaged;
and if the writing speed is not lower than the frame fetching speed, judging that the memory is not damaged.
4. The memory detection method according to claim 1, wherein the performing file system detection on the memory comprises:
when the file system of the memory is abnormal, the linked list in the memory is repaired to solve the abnormality, and if the abnormality is solved, the memory is judged to be not damaged.
5. The memory sensing method of claim 4, further comprising:
if the unsolved abnormality is repaired through the linked list, formatting the memory;
if the abnormality is solved, judging that the memory is not damaged;
if the exception is not resolved, the memory is determined to be corrupted.
6. The memory detection method according to claim 1, wherein the memory comprises at least one of an SD card and a USB flash disk.
7. A memory sensing apparatus, the apparatus comprising:
the read-write detection module is used for carrying out read-write detection on the memory;
the video writing detection module is used for detecting the video writing speed of the memory;
and the file system detection module is used for carrying out file system detection on the memory.
8. A video recording system comprising a memory detection device and video recording writing device according to claim 7;
the video recording writing device is used for starting normal recording when the memory is detected to be undamaged;
pre-caching videos collected by a camera in a memory of the camera;
and when the size of the cache file reaches a second preset threshold value, writing the cache file into the memory.
9. A computer storage medium comprising one or more program instructions embodied in the computer storage medium, the one or more program instructions to perform the method of any of claims 1-6.
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| CN201910718665.9A CN110597674B (en) | 2019-08-05 | 2019-08-05 | Memory detection method, device, video recording system and storage medium |
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| CN201910718665.9A CN110597674B (en) | 2019-08-05 | 2019-08-05 | Memory detection method, device, video recording system and storage medium |
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| CN110597674B CN110597674B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112486747A (en) * | 2020-11-30 | 2021-03-12 | 维沃移动通信有限公司 | Memory abnormity detection method and device, electronic equipment and readable storage medium |
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