CN103458248A - Video transcoding system based on CUDA - Google Patents
Video transcoding system based on CUDA Download PDFInfo
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- CN103458248A CN103458248A CN2013104103356A CN201310410335A CN103458248A CN 103458248 A CN103458248 A CN 103458248A CN 2013104103356 A CN2013104103356 A CN 2013104103356A CN 201310410335 A CN201310410335 A CN 201310410335A CN 103458248 A CN103458248 A CN 103458248A
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Abstract
The invention provides a video transcoding system based on a CUDA. The CUDA is used as the medium for transmitting signals in the video transcoding system in real time. A centralized-distributed network architecture is adopted. The centralized-distributed network architecture of the video transcoding system comprises a network server, a transmission network and a terminal device. The network server comprises functions of main control and the like. The transmission network is composed of a phase controller. The terminal device is composed of a terminal processor. The main controller and the phase controller are communicated through the wirelessly-connected CUDA.
Description
Technical field
The invention belongs to the Video Transcoding Technology field, be specifically related to a kind of video code conversion system based on CUDA.
Background technology
The powerful video information traffic guidance system function of can not bringing into normal play under visibility atrocious weather (as dense fog, large dust storm or sleet sky) condition, they do not possess yet highway and railway whole process are reached to real time intelligent control, anti-warning and the auxiliary function of driving of knocking into the back simultaneously.The control framework that at present generally adopts single-chip microcomputer+ARM is to realize the input and output of multiple signals, but, when the power cell number is more, the stube cable between control system and current transformer power section is numerous, and cost increases, and reliability reduces.
Summary of the invention
The purpose of this invention is to provide a kind of video code conversion system based on CUDA, this control system based on CUDA adopts the collecting and distributing type network architecture, both there is high speed, information transmission medium reliable, capacious, and can conveniently have been expanded again, be specially adapted to chain type video code conversion device.
To achieve the above object of the invention, the technical solution used in the present invention is as follows:
A kind of video code conversion system based on CUDA, its improvements are: the CUDA of the information transmission medium of described video code conversion system based on real-time, described video code conversion system is the collecting and distributing type network architecture, and the described collecting and distributing type network architecture comprises the webserver, transmission network and terminal equipment.
Wherein: the described webserver connects with transmission network through wireless, and described transmission network connects with terminal equipment through wireless.
Wherein: the described webserver comprises master control and analog information Gather and input, and described transmission network comprises the phase control device, and described terminal equipment comprises terminal handler.
Wherein: described master control comprise the power supply management module and, be respectively arranged with a CUDA video code conversion module, input module, output module, control module and the memory module of CUDA from station control; The CUDA of a described CUDA video code conversion module, input module, output module, control module and memory module configuration carries out information exchange by wired or wireless from station control in CUDA controls net.
Wherein: described control module and memory module are single-chip microcomputer+ARM, and described control module and memory module arrange two CUDA from station control.
Wherein: described phase control device comprises the 2nd CUDA video code conversion module, CUDA protocol conversion module and power supply management module; Described the 2nd CUDA video code conversion module and CUDA protocol conversion module configure respectively CUDA from station control; The CUDA of described the 2nd CUDA video code conversion module and the configuration of CUDA protocol conversion module carries out information exchange by wired or wireless from station control in CUDA controls net.
Wherein: the CUDA of the control module configuration of the described webserver by master control is from the CUDA of station control or memory module configuration from station control, through the wireless expanding element of communicating by letter with the CUDA of transmission network, communicate, described transmission network is by the CUDA communication expanding element of phase control device, through wireless, with each terminal handler terminal equipment, communicate, said terminal equipment is connected with the bottom modular unit of chain type video code conversion.
The present invention is owing to adopting technique scheme, the medium that the real-time CUDA of usining transmits as signal, compared with prior art, have the following advantages: support the interface circuit of WiFi wireless network and the multiple technologies standards such as ZigBee wireless network, CAN and control bus simultaneously, support the multiple heterogeneous network effective integrations such as CAN, RFID/ transducer control bus network and WiFi WLAN (wireless local area network).
The accompanying drawing explanation
Fig. 1 is the control module Organization Chart.
Embodiment
Below in conjunction with example, the present invention will be described in detail.
Control system of the present invention adopts the medium of real-time CUDA as the signal transmission, and as shown in Figure 1, described control system comprises master control and phase control device to basic framework.
Master control comprises a CUDA video code conversion module, input module, output module, control module, memory module and power supply management module, except the power supply management module, in master control, other each unit have a CUDA to carry out information exchange from station control and CUDA net.The unit of master control inside (except the power supply management module), carry out communication and information exchange by wired connection, and the CUDA by wireless connections between master control and phase control device carries out communication.
(1) function of a described CUDA video code conversion module is control transmission for realizing the CUDA information frame, failure diagnosis location, GPS checking etc., and can with computer, be connected by module, realizes the configuration file download of CUDA networking;
(2) function of described input module be to the primary power source parameter transformed, modulation /demodulation, acquisition of information etc., and transitional information is delivered to CUDA from station control;
(3) function of described output module is that the collection of switch amount signal, the output of trembling with the switching value signal that disappears are processed;
(4) function of described control module be regulate to calculate, the control of the detection of fault and processing, device overall operation mode etc., and link by another CUDA slave station and phase control device, the phase control device finally passes to control command and result of calculation the unit module of chain type video code conversion, the various state informations that the receiving element module is uploaded simultaneously, control module has adopted double mcu+ARM to form;
(5) function of described memory module is to realize the failed storage function, the information before and after record trouble occurs.
(6) the bottom circuit of control module and memory module is identical, can be referred to as the CPU control unit.
(7) function of described power supply management module is to provide work required power supply for other main unit.
The phase control device comprises the 2nd CUDA video code conversion module, the configurable CUDA protocol conversion module of number and power supply management module.The 2nd CUDA video code conversion module and CUDA protocol conversion module carry out communication by wired, CUDA net by wireless connections between controller and master control carries out communication, and the CUDA net by wireless connections between controller machine and terminal handler unit carries out communication.
(1) function of described the 2nd CUDA video code conversion module is control transmission for realizing the CUDA information frame, failure diagnosis location, GPS checking etc., and can with computer, be connected by module;
(2) described CUDA protocol conversion module is used for realizing the change of CUDA network of network framework, makes it from the serial type framework, become star schema, with extensibility and the reliability of intensifier;
(3) function of described power supply management module is that other unit for module controller provides work required power supply, and the power supply management module bottom circuit of the power supply management module of phase control device and master control is identical.
Claims (5)
1. the video code conversion system based on CUDA, it is characterized in that: the CUDA of the information transmission medium of described video code conversion system based on real-time, described video code conversion system is the collecting and distributing type network architecture, and the described collecting and distributing type network architecture comprises the webserver, transmission network and terminal equipment.
2. a kind of video code conversion system based on CUDA as claimed in claim 1, it is characterized in that: the described webserver connects with transmission network through wireless, and described transmission network connects with terminal equipment through wireless.
3. a kind of video code conversion system based on CUDA as claimed in claim 1, it is characterized in that: the described webserver comprises master control and analog information Gather and input, and described transmission network comprises the phase control device, and described terminal equipment comprises terminal handler.
4. a kind of video code conversion system based on CUDA as claimed in claim 3, it is characterized in that: described master control comprise the power supply management module and, be respectively arranged with a CUDA video code conversion module, input module, output module, control module and the memory module of CUDA from station control; The CUDA of a described CUDA video code conversion module, input module, output module, control module and memory module configuration carries out information exchange by wired or wireless from station control in CUDA controls net.
5. a kind of video code conversion system based on CUDA as claimed in claim 4, it is characterized in that: described control module and memory module are single-chip microcomputer+ARM, described control module and memory module arrange two CUDA from station control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013104103356A CN103458248A (en) | 2013-09-11 | 2013-09-11 | Video transcoding system based on CUDA |
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| CN2013104103356A CN103458248A (en) | 2013-09-11 | 2013-09-11 | Video transcoding system based on CUDA |
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Citations (4)
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| US20090060032A1 (en) * | 2007-05-11 | 2009-03-05 | Advanced Micro Devices, Inc. | Software Video Transcoder with GPU Acceleration |
| CN101783873A (en) * | 2009-01-19 | 2010-07-21 | 北京视典无限传媒技术有限公司 | Digital multimedia information transmission platform |
| CN101945278A (en) * | 2010-09-15 | 2011-01-12 | 中国科学院深圳先进技术研究院 | Video self-adaptive transcoding method and system |
| CN103209355A (en) * | 2012-01-16 | 2013-07-17 | 腾讯科技（深圳）有限公司 | Multimedia transcoding method and system |
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2013
- 2013-09-11 CN CN2013104103356A patent/CN103458248A/en active Pending
Patent Citations (5)
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| US20090060032A1 (en) * | 2007-05-11 | 2009-03-05 | Advanced Micro Devices, Inc. | Software Video Transcoder with GPU Acceleration |
| CN102273205A (en) * | 2008-11-04 | 2011-12-07 | 先进微装置公司 | Software video transcoder with gpu acceleration |
| CN101783873A (en) * | 2009-01-19 | 2010-07-21 | 北京视典无限传媒技术有限公司 | Digital multimedia information transmission platform |
| CN101945278A (en) * | 2010-09-15 | 2011-01-12 | 中国科学院深圳先进技术研究院 | Video self-adaptive transcoding method and system |
| CN103209355A (en) * | 2012-01-16 | 2013-07-17 | 腾讯科技（深圳）有限公司 | Multimedia transcoding method and system |
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| 黄兴，宋建新: ""基于GPU的视频转码技术研究"", 《电视技术》 * |
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Application publication date: 20131218 |