CN109862325A - A kind of USB flash disk camera system and its implementation - Google Patents
A kind of USB flash disk camera system and its implementation Download PDFInfo
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- CN109862325A CN109862325A CN201910152318.4A CN201910152318A CN109862325A CN 109862325 A CN109862325 A CN 109862325A CN 201910152318 A CN201910152318 A CN 201910152318A CN 109862325 A CN109862325 A CN 109862325A
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Abstract
The invention discloses a kind of USB flash disk camera system, including simulation files system, which is the file system established in memory；Image processing module, the image processing module are used to receive raw image data from camera, and the raw image data is converted to and is damaged or lossless compression image formatted data；Video processing module, for treated damages or lossless compression image formatted data is converted to video formatted data and writes the simulation files system by image processing module；USB massive store agreement and driving are transferred to USB massive store host for receiving the request from USB massive store host and response, and by the video formatted data of simulation files system.The present invention increases without main control device supports UVC agreement and corresponding application software, can transmit and show real-time video information by the USB Mass Storage agreement and media player supported.
Description
Technical field
The present invention relates to USB camera, especially a kind of USB flash disk camera system and its implementation.
Background technique
With the continuous development of contemporary electronic technology and universal, USB camera is also increasingly used in various occasions,
Such as PC, vehicle device, monitoring host computer, plate etc..Since every kind of USB device requires to support corresponding agreement, so USB camera needs
Support UVC (USB video Class) agreement, main control device needs UVC and application software to support, but many main control devices
UVC agreement is not supported, so not being available USB camera.But all can many consumer main control devices (such as vehicle device)
Support USB flash disk (USB Mass Storage) and video playback capability (Media Player).In addition, also there is USB flash disk camera system
It is transmitted using the form of image file by USB, real-time is poor.
Summary of the invention
In order to solve the above technical problems, realizing USB without using UVC agreement the purpose of the invention is to realize
Camera function and the good USB flash disk camera system and its implementation of real-time.
The technical solution adopted by the present invention is that:
A kind of USB flash disk camera system, including
Simulation files system, the simulation files system are the file system established in memory；
Image processing module, the image processing module are used to receive raw image data from camera, and will be described original
Image data, which is converted to, to be damaged or lossless compression image formatted data；
Video processing module, for by image processing module treated damage or lossless compression image formatted data convert
For video formatted data and write the simulation files system；
USB massive store agreement and driving, for receiving the request from USB massive store host and response, with
And the video formatted data of simulation files system is transferred to USB massive store host.
Further, simulation files system described in the USB flash disk camera system includes formatted file and video file, the lattice
Formula file is used to store the configuration information of camera, image processing module and video processing module；The video file is for depositing
Store up the video formatted data of the video processing module write-in.
Further, the USB flash disk camera system further includes standard file system, and the standard file system is outer for accessing
Portion stores equipment, and the video formatted data that described image processing module is converted is saved in the file of External memory equipment.
Wherein, the External memory equipment includes SD card or USB flash disk.
Further, the USB flash disk camera system further includes clock processing module, and the clock processing module is for periodically reading
The configuration information of the formatted file storage is taken, and the corresponding configuration information of update is sent to camera, image processing module
And video processing module.
A method of realizing USB flash disk camera system, it is characterised in that: include the following steps
S1, simulation files system is established；
S2, initialisation image processing module and video processing module；
S3, image processing module receive raw image data from camera, and the raw image data has been converted to
Damage or lossless compression image formatted data；
Treated damages or lossless compression image formatted data is converted to by image processing module for S4, video processing module
Video formatted data simultaneously writes the simulation files system；
S5, initialization USB massive store agreement and driving；
S6, the connection for establishing USB flash disk camera system and main control device；
S7, USB massive store agreement and the enumeration request of driving processing USB massive store host are until having enumerated
At；
The request of simulation files system is read in S8, USB massive store agreement and driving response, reads simulation files system
System data transmission to USB massive store host；
Video file content information is read in S9, USB massive store agreement and driving response, reads simulation files system
Video formatted data is transferred to USB massive store host.
It further, further include initialization standard file system between the step S1 and S2, standard file system access is visited
Ask External memory equipment.
Further, the step S4 further includes the video format number that standard file system converts described image processing module
According in the file for being saved in External memory equipment.
Beneficial effects of the present invention:
The relatively traditional UVC related application of the present invention, the present invention is without main control device increase support UVC agreement and accordingly
Real-time view can be transmitted and be shown to application software by the USB Mass Storage agreement and media player supported
Frequency information.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Fig. 1 is the connection schematic diagram between USB flash disk camera system and main control device of the present invention.
Specific embodiment
As shown in Figure 1, be a kind of USB flash disk camera system of the invention, including
Simulation files system 1, the simulation files system 1 are the file system established in memory；
Image processing module 2, the image processing module 2 are used to receive raw image data from camera 5, and by the original
Beginning image data, which is converted to, to be damaged or lossless compression image formatted data；
Video processing module 3, for by image processing module 2 treated damage or lossless compression image formatted data turn
It is changed to video formatted data and writes the simulation files system 1；
USB massive store agreement and driving 4, for receiving the request from USB massive store host and response, with
And the video formatted data of simulation files system 1 is transferred to USB massive store host.
Main control device applied by the corresponding present invention, including USB massive store host, file system, video
Player and text editor, USB massive store host is for accessing external USB flash disk and reading data, and file system is for visiting
Ask that the video formatted data asked in USB flash disk outside, video player are used to play the video formatted data that transmission comes.
As the further refinement of the technical program, simulation files system 1 described in the USB flash disk camera system includes format
File and video file, the formatted file are used to store the configuration of camera 5, image processing module 2 and video processing module 3
Information；The video file is used to store the video formatted data that the video processing module 3 is written.
In addition, the USB flash disk camera system further includes standard file system 6, the standard file system 6 is outer for accessing
Portion stores equipment, and the video formatted data that described image processing module 2 is converted is saved in the file of External memory equipment,
As being locally stored for video formatted data.Wherein, the External memory equipment includes SD card or USB flash disk.
As the further improvement of the technical program, the USB flash disk camera system further includes clock processing module 7, described
Clock processing module 7 is used to periodically read the configuration information of the formatted file storage, and the corresponding configuration information of update is sent out
It send to camera 5, image processing module 2 and video processing module 3, in order to which modules obtain upgrading in favor of better work
Make.
The invention also includes the technical solution with the same inventive concept of above system, i.e., a kind of realization USB flash disk camera system
Method, it is characterised in that: include the following steps
S1, simulation files system 1 is established；
S2, initialisation image processing module 2 and video processing module 3；
S3, image processing module 2 receive raw image data from camera 5, and the raw image data is converted to
It damages or lossless compression image formatted data；
S4, video processing module 3 by image processing module 2 treated damage or lossless compression image formatted data convert
For video formatted data and write the simulation files system 1；
S5, initialization USB massive store agreement and driving 4；
S6, the connection for establishing USB flash disk camera system and main control device；
The enumeration request of 4 processing USB massive store host of S7, USB massive store agreement and driving is until having enumerated
At；
The request of simulation files system 1 is read in S8, USB massive store agreement and 4 response of driving, reads simulation files system
The system data transmission of system 1 is to USB massive store host；
Video file content information is read in S9, USB massive store agreement and 4 response of driving, reads simulation files system 1
Video formatted data be transferred to USB massive store host.
It further include initialization standard file system 6, standard text as the supplement of the above method, between the step S1 and S2
The access access External memory equipment of part system 6.
Correspondingly, the step S4 further includes the video format that standard file system 6 converts described image processing module 2
Data are saved in the file of External memory equipment.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (8)
1. a kind of USB flash disk camera system, it is characterised in that: including
Simulation files system (1), the simulation files system (1) are the file system established in memory；
Image processing module (2), the image processing module (2) are used to receive raw image data from camera (5), and will be described
Raw image data, which is converted to, to be damaged or lossless compression image formatted data；
Video processing module (3), for by image processing module (2) treated damage or lossless compression image formatted data turn
It is changed to video formatted data and writes the simulation files system (1)；
USB massive store agreement and driving (4), for receiving the request from USB massive store host and response, and
The video formatted data of simulation files system (1) is transferred to USB massive store host.
2. a kind of USB flash disk camera system according to claim 1, it is characterised in that: the simulation files system (1) includes
Formatted file and video file, the formatted file is for storing camera (5), image processing module (2) and video processing mould
The configuration information of block (3)；The video file is used to store the video formatted data of the video processing module (3) write-in.
3. a kind of USB flash disk camera system according to claim 1, it is characterised in that: it further include standard file system (6),
The standard file system (6) is for accessing External memory equipment, and the video format that described image processing module (2) are converted
Data are saved in the file of External memory equipment.
4. a kind of USB flash disk camera system according to claim 3, it is characterised in that: the External memory equipment includes SD
Card or USB flash disk.
5. a kind of USB flash disk camera system according to claim 2, it is characterised in that: it further include clock processing module (7),
The clock processing module (7) is used to periodically read the configuration information of formatted file storage, and by the corresponding configuration of update
Information is sent to camera (5), image processing module (2) and video processing module (3).
6. a kind of method for realizing USB flash disk camera system, it is characterised in that: include the following steps
S1, simulation files system (1) is established；
S2, initialisation image processing module (2) and video processing module (3)；
S3, image processing module (2) receive raw image data from camera (5), and the raw image data is converted to
It damages or lossless compression image formatted data；
S4, video processing module (3) by image processing module (2) treated damage or lossless compression image formatted data convert
For video formatted data and write the simulation files system (1)；
S5, initialization USB massive store agreement and driving (4)；
S6, the connection for establishing USB flash disk camera system and main control device；
S7, USB massive store agreement and the enumeration request of driving (4) processing USB massive store host are completed until enumerating；
The request of simulation files system (1) is read in S8, USB massive store agreement and driving (4) response, reads simulation files system
Unite (1) system data transmission to USB massive store host；
Video file content information is read in S9, USB massive store agreement and driving (4) response, is read simulation files system (1)
Video formatted data be transferred to USB massive store host.
7. realizing the method for USB flash disk camera system according to claim 6, it is characterised in that: between the step S1 and S2
It further include initialization standard file system (6), standard file system (6) access access External memory equipment.
8. realizing the method for USB flash disk camera system according to claim 6, it is characterised in that: the step S4 further includes mark
The video formatted data that described image processing module (2) is converted is saved in the file of External memory equipment by quasi- file system (6)
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152318.4A CN109862325A (en) | 2019-02-28 | 2019-02-28 | A kind of USB flash disk camera system and its implementation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910152318.4A CN109862325A (en) | 2019-02-28 | 2019-02-28 | A kind of USB flash disk camera system and its implementation |
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| CN109862325A true CN109862325A (en) | 2019-06-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208267A (en) * | 2015-08-25 | 2015-12-30 | 豪威科技(上海)有限公司 | USB camera and USB camera identification method and system |
| CN107622541A (en) * | 2017-08-08 | 2018-01-23 | 建荣半导体（深圳）有限公司 | A kind of storage device, USB camera and its driving recording method, system |
| US20180098035A1 (en) * | 2012-08-10 | 2018-04-05 | Logitech Europe S.A. | Wireless video camera and connection methods including multiple video or audio streams |
-
2019
- 2019-02-28 CN CN201910152318.4A patent/CN109862325A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180098035A1 (en) * | 2012-08-10 | 2018-04-05 | Logitech Europe S.A. | Wireless video camera and connection methods including multiple video or audio streams |
| CN105208267A (en) * | 2015-08-25 | 2015-12-30 | 豪威科技(上海)有限公司 | USB camera and USB camera identification method and system |
| CN107622541A (en) * | 2017-08-08 | 2018-01-23 | 建荣半导体（深圳）有限公司 | A kind of storage device, USB camera and its driving recording method, system |
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Application publication date: 20190607 |
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