CN105979228A - PC (Personal Computer) video acquisition card with video compression function - Google Patents
PC (Personal Computer) video acquisition card with video compression function Download PDFInfo
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- CN105979228A CN105979228A CN201610497355.5A CN201610497355A CN105979228A CN 105979228 A CN105979228 A CN 105979228A CN 201610497355 A CN201610497355 A CN 201610497355A CN 105979228 A CN105979228 A CN 105979228A
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- module
- video
- port ram
- dual port
- sdram
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses a PC (Personal Computer) video acquisition card with a video compression function, and belongs to the technical field of video acquisition. The PC video acquisition card comprises a camera interface, a high-speed AD (Analog to Digital) module, a character superimposition module, a date module, an FPGA (Field Programmable Gate Array), a PCI (Peripheral Component Interconnect) bus interface, a first dual-port RAM (Random Access Memory) module, a second dual-port RAM module, a third dual-port RAM module, a video storage module, a video compression module, an ARM controller, a first SDRAM (Synchronous Dynamic Random Access Memory) module, a second SDRAM module, a 2.4G module and a GPRS (General Packet Radio Service) module. Through adoption of the PC video acquisition card, a technology integrating video acquisition, video compression and video wireless transmission is realized. Moreover, a three-core processor is adopted, so that the acquisition speed of the video acquisition card is increased greatly; a plurality of tasks and a plurality of threads can be processed at the same time; and the processing capacity of the video acquisition card is improved.
Description
Technical field
The invention belongs to video capture technology field.
Background technology
Video frequency collection card has been widely applied in the middle of the life of people at present, and real-time video transmission technologies is also at this need
The biggest development has been obtained under the promotion asked.But traditional Video transmission system utilize PC as the major part of system, with
Time employ various cable to realize the transmission of video so that Video transmission system is greatly limited, and at present video
Capture card all uses uniprocessor mode, and gathering video signal when, processing speed is slow, and can not carry out multithreading work.
Summary of the invention
It is an object of the invention to provide a kind of PC video frequency collection card with video compression functionality, it is achieved that video acquisition, video pressure
The technology that contracting is three-in-one with video wireless transmission, and use three core processor modes, it is greatly accelerated the collection speed of video frequency collection card
Degree, it is achieved that multitask, multithreading process simultaneously, accelerate the disposal ability of video frequency collection card.
For achieving the above object, the present invention is by the following technical solutions:
With the PC video frequency collection card of video compression functionality, including utilizing camera interface, high speed AD module, character adding module,
Date module, FPGA, pci bus interface, the first dual port RAM module, the second dual port RAM module, the 3rd dual port RAM mould
Block, video storage modules, video compressing module, ARM controller, the first SDRAM module, the second SDRAM module, 2,4G
Module and GPRS module, utilizing camera interface connects high speed AD module, high speed AD module, pci bus interface, character adding mould
Block, date module, the first dual port RAM module and the second dual port RAM module are all connected with FPGA, and video storage modules connects video
Compression module, video compressing module connects the second dual port RAM module, and video compressing module is also connected with the 3rd dual port RAM module,
Second dual port RAM module and the 3rd dual port RAM module are all connected with ARM controller, and ARM controller is also connected with a SDRAM mould
Block and the second SDRAM module, the first SDRAM module connects GPRS module, and the second SDRAM module connects 2.4G module.
The model of described high speed AD module is TMS320F2812.
The model of described video compressing module is Ambarella A5s25.
Described video storage modules is NOR FLASH memory.
The model of described date module is AMI8563.
Described ARM controller is ARM9 controller.
It is an object of the invention to provide a kind of PC video frequency collection card with video compression functionality, it is achieved that video acquisition, video pressure
Contracting and the three-in-one technology of video wireless transmission, and use three cores that video compressing module, FPGA and arm processor be used together
Processor mode, is greatly accelerated the picking rate of video frequency collection card, it is achieved that multitask, multithreading process simultaneously, accelerate
The disposal ability of video frequency collection card.
The present invention also carries Large Copacity NOR FLASH memory, can store video data voluntarily, serve video data
Protective effect, prevent the phenomenon that cannot recall important video because of hard disk corruptions.
Accompanying drawing explanation
Fig. 1 is the schematic diagram block diagram of the present invention.
Detailed description of the invention
As shown in Figure 1 with the PC video frequency collection card of video compression functionality, including utilizing camera interface, high speed AD module, character
Laminating module, date module, FPGA, pci bus interface, the first dual port RAM module, the second dual port RAM module, the 3rd
Dual port RAM module, video storage modules, video compressing module, ARM controller, the first SDRAM module, the 2nd SDRAM
Module, 2,4G module and GPRS module, utilizing camera interface connect high speed AD module, high speed AD module, pci bus interface,
Character adding module, date module, the first dual port RAM module and the second dual port RAM module are all connected with FPGA, video storage mould
Block connects video compressing module, and video compressing module connects the second dual port RAM module, and video compressing module is also connected with the 3rd twoport
RAM module, the second dual port RAM module and the 3rd dual port RAM module be all connected with ARM controller, and ARM controller is also connected with first
SDRAM module and the second SDRAM module, the first SDRAM module connects GPRS module, and the second SDRAM module connects 2.4G
Module.
The model of described high speed AD module is TMS320F2812.
The model of described video compressing module is Ambarella A5s25.
Described video storage modules is NOR FLASH memory.
The model of described date module is AMI8563.
Described ARM controller is ARM9 controller.
During work, utilizing camera interface connects photographic head, after video information is digitally converted by photographic head by high speed AD module
Sending FPGA to and enter video line pretreatment, generate digital of digital video data, digital of digital video data is passed through quick twoport by FPGA again
RAM module sends video compressing module to, and digital video information is compressed processing by video compressing module, and stores video
In memory module；
FPGA carries out video pre-filtering when, FPGA reads the date and time information of date module, and by character adding module
Date and time information is added in digital of digital video data, makes video information have the function of time showing.
The described PC video acquisition with video compression functionality is arranged with pci bus interface, is directly inserted into the PCI of PC computer
In slot, and PC compunlcation, FPGA can by video compressing module by the video information compressed from video storage modules
Take out, and send PC computer to by pci bus interface, make user directly to be inquired about by PC computer.
Camera collection to video information can also be directly sent in pci bus by FPGA, user can directly pass through
The real-time pictures of PC computer viewing photographic head shooting.
User can also be communicated with GPRS module by mobile phone A PP end, directly transfers video compressing module by mobile network
In video information.
User mobile phone APP end can also communicate with 2.4G module by the way of 2.4G communicates, and ARM controller can be led to
Cross 2.4G module and directly access the photographic head of user mobile phone APP end, directly gather the digital video information of mobile phone camera shooting,
And this digital video information is transferred to FPGA carries out pretreatment, FPGA passes through PCI again to after this digital video information pretreatment
EBI is transferred to PC computer, and user can the direct video of recording mobile phone photographic head shooting on PC computer, it is to avoid hands
The problem that machine cannot store because of low memory, also solving also will be again to computer transmission video data after mobile phone has shot video
Trouble, save the time.
Video information taken by mobile phone can also be transmitted directly to video compressing module and be compressed by ARM controller, video
After compression module compression, the video information compressed is stored in video storage modules.
When user checks the real-time video information captured by photographic head by PC computer, user directly can also be transferred by mobile phone
Video information in video storage modules is checked, two above action is performed by FPGA and ARM controller respectively, and
Do not interfere with processing speed and the transmission speed of video, it is achieved that the technology that multithreading task is carried out simultaneously.
It is an object of the invention to provide the PC video frequency collection card with video compression functionality, it is achieved that video acquisition, video compress and
The technology that video wireless transmission is three-in-one, and use three cores that video compressing module, FPGA and arm processor be used together to process
Device mode, is greatly accelerated the picking rate of video frequency collection card, it is achieved that multitask, multithreading process simultaneously, accelerate video
The disposal ability of capture card.
The present invention also carries Large Copacity NOR FLASH memory, can store video data voluntarily, serve video data
Protective effect, prevent the phenomenon that cannot recall important video because of hard disk corruptions.
Claims (6)
1. with the PC video frequency collection card of video compression functionality, it is characterised in that: include utilizing camera interface, high speed AD module,
Character adding module, date module, FPGA, pci bus interface, the first dual port RAM module, the second dual port RAM module,
3rd dual port RAM module, video storage modules, video compressing module, ARM controller, the first SDRAM module, the 2nd SDRAM
Module, 2,4G module and GPRS module, utilizing camera interface connect high speed AD module, high speed AD module, pci bus interface,
Character adding module, date module, the first dual port RAM module and the second dual port RAM module are all connected with FPGA, video storage mould
Block connects video compressing module, and video compressing module connects the second dual port RAM module, and video compressing module is also connected with the 3rd twoport
RAM module, the second dual port RAM module and the 3rd dual port RAM module be all connected with ARM controller, and ARM controller is also connected with first
SDRAM module and the second SDRAM module, the first SDRAM module connects GPRS module, and the second SDRAM module connects 2.4G
Module.
2. as claimed in claim 1 with the PC video frequency collection card of video compression functionality, it is characterised in that: described high-speed AD
The model of module is TMS320F2812.
3. as claimed in claim 1 with the PC video frequency collection card of video compression functionality, it is characterised in that: described video compress
The model of module is Ambarella A5s25.
4. as claimed in claim 1 with the PC video frequency collection card of video compression functionality, it is characterised in that: described video stores
Module is NOR FLASH memory.
5. as claimed in claim 1 with the PC video frequency collection card of video compression functionality, it is characterised in that: described date module
Model be AMI8563.
6. as claimed in claim 1 with the PC video frequency collection card of video compression functionality, it is characterised in that: described ARM controls
Device is ARM9 controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497355.5A CN105979228A (en) | 2016-06-29 | 2016-06-29 | PC (Personal Computer) video acquisition card with video compression function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497355.5A CN105979228A (en) | 2016-06-29 | 2016-06-29 | PC (Personal Computer) video acquisition card with video compression function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105979228A true CN105979228A (en) | 2016-09-28 |
Family
ID=57020972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610497355.5A Pending CN105979228A (en) | 2016-06-29 | 2016-06-29 | PC (Personal Computer) video acquisition card with video compression function |
Country Status (1)
| Country | Link |
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| CN (1) | CN105979228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010541A (en) * | 2019-12-11 | 2020-04-14 | 重庆山淞信息技术有限公司 | Video processing module based on FPGA and compression processor |
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| CN1976452A (en) * | 2006-12-11 | 2007-06-06 | 浙江大学 | Multichannel video frequency compression system based on single-chip double-nuclear DSP constitution |
| CN102447879A (en) * | 2010-10-12 | 2012-05-09 | 上海遥薇(集团)有限公司 | Vehicle-mounted video compression storage control method capable of sensing location information and device |
| CN203136023U (en) * | 2013-04-10 | 2013-08-14 | 四川华通特种工程塑料研究中心有限公司 | A self-processing digital video capture card |
| CN103402068A (en) * | 2013-08-09 | 2013-11-20 | 西安电子科技大学 | Uncompressed video play system and method |
| CN205883440U (en) * | 2016-06-29 | 2017-01-11 | 江苏三棱智慧物联发展股份有限公司 | PC video capture card with video compression function |
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2016
- 2016-06-29 CN CN201610497355.5A patent/CN105979228A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100626663B1 (en) * | 2004-12-14 | 2006-09-25 | 한국전자통신연구원 | Apparatus for Developing and Verificating System on Chip of Internet Phone |
| CN1976452A (en) * | 2006-12-11 | 2007-06-06 | 浙江大学 | Multichannel video frequency compression system based on single-chip double-nuclear DSP constitution |
| CN102447879A (en) * | 2010-10-12 | 2012-05-09 | 上海遥薇(集团)有限公司 | Vehicle-mounted video compression storage control method capable of sensing location information and device |
| CN203136023U (en) * | 2013-04-10 | 2013-08-14 | 四川华通特种工程塑料研究中心有限公司 | A self-processing digital video capture card |
| CN103402068A (en) * | 2013-08-09 | 2013-11-20 | 西安电子科技大学 | Uncompressed video play system and method |
| CN205883440U (en) * | 2016-06-29 | 2017-01-11 | 江苏三棱智慧物联发展股份有限公司 | PC video capture card with video compression function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010541A (en) * | 2019-12-11 | 2020-04-14 | 重庆山淞信息技术有限公司 | Video processing module based on FPGA and compression processor |
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Application publication date: 20160928 |