CN204131657U - For the video compression storage device of miniature unmanned vehicle - Google Patents
For the video compression storage device of miniature unmanned vehicle Download PDFInfo
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- CN204131657U CN204131657U CN201420521484.XU CN201420521484U CN204131657U CN 204131657 U CN204131657 U CN 204131657U CN 201420521484 U CN201420521484 U CN 201420521484U CN 204131657 U CN204131657 U CN 204131657U
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Abstract
The embodiment of the present application discloses a kind of video compression storage device for miniature unmanned vehicle, comprising: multiplex roles video input module, for gathering the vision signal of outside input and output digital video code stream; ARM main control module, for receiving the described digital video bit stream of external control instruction and the output of described multiplex roles video input module, and by direct memory access, described digital video bitstream is flowed through Synchronous Dynamic Random Access Memory SDRAM memory transfer to image processor GPU video compressing module; Described GPU video compressing module, for compressing described digital video bit stream and the H.264 code stream formed after compression being write solid state hard disc memory by direct memory access.Video compression storage device power consumption of the present utility model is little, lightweight, volume is little, is suitable in the miniature unmanned vehicle that mission payload is little, power consumption requirements is strict.
Description
Technical field
The application relates to technical field of data processing, particularly relates to a kind of video compression storage device for miniature unmanned vehicle.
Background technology
Image mapping based on unmanned vehicle increases fast in application that is military, civilian survey field.Along with the development of load technology, resolution and the frame per second of image are more and more higher, it is also proposed higher requirement to the compression of video data and storage.Compare common unmanned flight's applicator platform, it is simple that miniature unmanned vehicle has use, the advantage that cost is low; But deficiency is that mission payload ability is little, and flying power is weak.Therefore, miniature unmanned vehicle Platform Requirements image mapping equipment has feature: 1) volume is little, lightweight, low in energy consumption, generally realizes on embedded integration platform.2) high compression ratio: unmanned plane mapping requires that image has abundant details, and simultaneously by the restriction of memory capacity, therefore the video data compression of high compression ratio is the basic demand of unmanned vehicle image Mapping Flat.3) low delay: the time delay of video compression is less, is more conducive to obtaining ground image in unmanned vehicle high-speed motion.
Summary of the invention
The object that the embodiment of the present application is possible is: provide a kind of video compression storage device be suitable in the miniature unmanned vehicle that mission payload is little, power consumption requirements is strict.
The one possible embodiment of the application provides a kind of video compression storage device for miniature unmanned vehicle, comprise: multiplex roles video input module, ARM main control module, Synchronous Dynamic Random Access Memory SDRAM memory, graphic process unit GPU video compressing module and solid state hard disc memory, wherein
Described multiplex roles video input module, for gathering the vision signal of outside input and output digital video code stream;
Described ARM main control module, for receiving the described digital video bit stream of external control instruction and the output of described multiplex roles video input module, and by direct memory access, described digital video bitstream is flowed through described SDRAM memory transfer to described graphic process unit GPU video compressing module;
Described GPU video compressing module, for compressing described digital video bit stream and the H.264 code stream formed after compression being write described solid state hard disc memory by direct memory access.
The video compression storage device of at least one embodiment of the embodiment of the present application adopts the embedded framework based on ARM, utilize its Graphics Processing Unit for video compression coprocessor, solid state hard disc is storage medium, there is feature that is low in energy consumption, compact conformation, be suitable for miniature unmanned vehicle and use.
At least one embodiment of the embodiment of the present application has multiple analog and digital video input interface, and input interface type is enriched, and can compress the video of various interface.
At least one embodiment of the embodiment of the present application adopts solid state hard disc as storage device, and volume is little, capacity is large, manipulation is simple.
Accompanying drawing explanation
Fig. 1 is the structural schematic block diagram of a kind of video compression storage device for miniature unmanned vehicle of the embodiment of the present application.
Embodiment
Below in conjunction with accompanying drawing (label identical in some accompanying drawings represents identical element) and embodiment, the embodiment of the application is described in further detail.Following examples for illustration of the application, but are not used for limiting the scope of the application.
It will be understood by those skilled in the art that the terms such as " first ", " second " in the application are only for distinguishing different step, equipment or module etc., neither represent any particular technology implication, also do not represent the inevitable logical order between them.
As shown in Figure 1, the embodiment of the present application provides a kind of video compression storage device for miniature unmanned vehicle, comprise: multiplex roles video input module 1, ARM main control module 2, SDRAM memory 3, GPU video compressing module 4 and solid state hard disc memory 5, wherein
Described multiplex roles video input module 1, for gathering the vision signal of outside input and output digital video code stream;
Described ARM main control module 2, for receiving the described digital video bit stream that external control instruction and described multiplex roles video input module 1 export, and by direct memory access, described digital video bitstream is flowed through described SDRAM memory 3 and be transferred to described GPU video compressing module 4;
Described GPU video compressing module 4, for compressing described digital video bit stream and the H.264 code stream formed after compression being write described solid state hard disc memory 5 by direct memory access.
In the embodiment of the present application in a kind of possible execution mode, described multiplex roles video input module 1 is further used for: the digital video signal gathering outside input.
In the embodiment of the present application in another kind of possible execution mode, described multiplex roles video input module 1 is further used for:
Gather the analog video signal of outside input.
In another possible execution mode of the embodiment of the present application, described multiplex roles video input module 1 is further used for the analog and digital video signal gathering outside input.
In the embodiment of the present application in a kind of possible execution mode, it is multiple that described multiplex roles video input module 1 comprises in following video input interface:
Standard phase-aoternation line system PAL interface, grace NTSC analog video interface, RGB high definition analog video interface, general-purpose serial bus USB interface digital visual interface, kilomega network Gige interface digital visual interface.
In the embodiment of the present application, described SDRAM memory 3 is DDR SDRAM memory.
The embodiment of the present application has the features such as low in energy consumption, integrated level is high, volume is little, lightweight, high compression ratio, low time delay, memory capacity large, video input interface abundant species, can be used in the miniature unmanned vehicle that mission payload is little, power consumption requirements is strict.
Above execution mode is only for illustration of the application; and the restriction not to the application; the those of ordinary skill of relevant technical field; when not departing from the spirit and scope of the application; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to the category of the application, and the scope of patent protection of the application should be defined by the claims.
Claims (5)
1. the video compression storage device for miniature unmanned vehicle, it is characterized in that, comprise: multiplex roles video input module, ARM main control module, Synchronous Dynamic Random Access Memory SDRAM memory, graphic process unit GPU video compressing module and solid state hard disc memory, wherein
Described multiplex roles video input module, for gathering the vision signal of outside input and output digital video code stream;
Described ARM main control module, for receiving the described digital video bit stream of external control instruction and the output of described multiplex roles video input module, and by direct memory access, described digital video bitstream is flowed through described SDRAM memory transfer to described GPU video compressing module;
Described GPU video compressing module, for compressing described digital video bit stream and the H.264 code stream formed after compression being write described solid state hard disc memory by direct memory access.
2. device according to claim 1, is characterized in that, described multiplex roles video input module is further used for:
Gather the digital video signal of outside input.
3. device according to claim 1, is characterized in that, described multiplex roles video input module is further used for:
Gather the analog video signal of outside input.
4. device according to claim 1, is characterized in that, it is multiple that described multiplex roles video input module comprises in following video input interface:
Standard phase-aoternation line system PAL interface, grace NTSC analog video interface, RGB high definition analog video interface, general-purpose serial bus USB interface digital visual interface, kilomega network Gige interface digital visual interface.
5. device according to claim 1, is characterized in that, described SDRAM memory is double data rate Synchronous Dynamic Random Access Memory DDR SDRAM memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521484.XU CN204131657U (en) | 2014-09-12 | 2014-09-12 | For the video compression storage device of miniature unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521484.XU CN204131657U (en) | 2014-09-12 | 2014-09-12 | For the video compression storage device of miniature unmanned vehicle |
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| CN204131657U true CN204131657U (en) | 2015-01-28 |
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| CN201420521484.XU Expired - Fee Related CN204131657U (en) | 2014-09-12 | 2014-09-12 | For the video compression storage device of miniature unmanned vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106776373A (en) * | 2017-01-12 | 2017-05-31 | 合肥杰美电子科技有限公司 | The cache systems based on flash memory and method of a kind of facing mobile apparatus |
| CN107871154A (en) * | 2015-04-10 | 2018-04-03 | 深圳市大疆创新科技有限公司 | Unmanned vehicle |
-
2014
- 2014-09-12 CN CN201420521484.XU patent/CN204131657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871154A (en) * | 2015-04-10 | 2018-04-03 | 深圳市大疆创新科技有限公司 | Unmanned vehicle |
| CN107871154B (en) * | 2015-04-10 | 2021-02-26 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle |
| CN106776373A (en) * | 2017-01-12 | 2017-05-31 | 合肥杰美电子科技有限公司 | The cache systems based on flash memory and method of a kind of facing mobile apparatus |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20150912 |
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| EXPY | Termination of patent right or utility model |