CN203387618U - Multipath video monitoring processing terminal - Google Patents
Multipath video monitoring processing terminal Download PDFInfo
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- CN203387618U CN203387618U CN201320487114.4U CN201320487114U CN203387618U CN 203387618 U CN203387618 U CN 203387618U CN 201320487114 U CN201320487114 U CN 201320487114U CN 203387618 U CN203387618 U CN 203387618U
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Abstract
The utility model discloses a multipath video monitoring processing terminal including a multipath video acquisition and video compression module and a video output module, and also includes a storage module, a hard-disk drive module, a PCI bus module and a network interface module. The hard-disk drive module includes a hard disk and a SATA drive chip. The hard disk is connected with the PCI bus module through the SATA drive chip. The multipath video acquisition and video compression module is connected to a master-control processor through the PCI bus module. The storage module is connected to the master-control processor through a PCI bus. An EMAC method is selected for a multiplexed bus of the master-control processor to construct an Ethernet transmission interface. The video output module includes a video coder and a display. The display is connected with the master-control processor through the video coder. The multipath video monitoring processing terminal is not only small in technical difficulties, low in development requirements, but also convenient and rapid to operate.
Description
Technical field
The utility model relates to a kind of novel multi-channel video monitor processing terminal, belongs to field of video monitoring systems.
Background technology
In recent years, the security protection market of China has presented swift and violent development trend.Video monitoring system, as the important component part of safety-protection system, with characteristics such as it are convenient, efficient, directly perceived, real-time is good, is widely used in various occasions.The solution of at present more advanced supervisory control system has two kinds, the one, by video capture processor and dsp processor, formed, but this kind of scheme to realize on DSP that H.264 the video compression technology difficulty is large, development requires is high, add that H.264 agreement is very huge, operate very difficult.The 2nd, by video capture processor, video compression chip and PC, formed, but PC takes up room greatly, power consumption is high, and cost is high, is only suitable for using among a small circle.
The utility model content
The purpose of this utility model is to provide that a kind of not only technical difficulty is little, development requires is low, and multi-channel video monitor processing terminal convenient to operation.
In order to achieve the above object, the technical solution of the utility model is:
The multi-channel video monitor processing terminal, comprise multi-channel video capturing and video compressing module, video output module and transducer, also comprise memory module, hard disk driving module, pci bus module and Network Interface Module, described multi-channel video monitor processing terminal be take TMS320DM642 as main control processor, described hard disk driving module comprises that hard disk and SATA drive chip, described hard disk drives chip to be connected with the pci bus module by SATA, described multi-channel video capturing and video compressing module are connected to main control processor by the pci bus module, and can realize the collection of real-time 4 road video flowings, compression, transmission and storage, main control processor receives the PC control instruction and controls in real time transducer, described memory module is connected to main control processor by pci bus, and the multiplex bus of described main control processor is chosen as the EMAC mode, builds the Ethernet coffret, described video output module comprises video encoder and display, and described display is connected with main control processor by video encoder.
The selected chip of described multi-channel video capturing and video compressing module is respectively TW2815, SC8919.
In described video output module, the selected chip of video encoder is SAA7105.
Described memory module comprises SDRAM memory chip and FLASH memory chip, and described SDRAM memory chip is that MT48LC4M32B2, described FLASH memory chip are AM29LV033C.
It is SiI3114 that described SATA drives chip.
The selected physical chip of described Network Interface Module is DM9161A.
The beneficial effects of the utility model are: after adopting said structure, because this novel multi-channel video monitor processing terminal be take TMS320DM642 as main control processor, take the dedicated video compression chip as the Video coding core devices, effectively reduce the resource cost of DM642 video acquisition compression, ensure multi-channel video later stage compilation processing and transmittability, can realize efficiently time-division multiplex video image acquisition, compression, transmission and the store function of 4 Channel Perfect D1 forms or CIF form.With SATA, drive chip to realize the operation of hard disk, take full advantage of the affluent resources of DM642, realize processing multipath digital video stream simultaneously, in the pci bus module, realize special-purpose multi-channel video capturing and video compressing module and hard disk driving module and DM642 between data interaction.This scheme is showing its advantage aspect cost and stability, technical difficulty is little, development requires is low.
The accompanying drawing explanation
Fig. 1 is the module hardware block diagram of multi-channel video monitor processing terminal of the present utility model;
Fig. 2 is TW2815 in multi-channel video monitor processing terminal of the present utility model and the catenation principle figure of SC8919;
Fig. 3 is DM642 in multi-channel video monitor processing terminal of the present utility model and the catenation principle figure of SAA7105;
Fig. 4 is DM642 and the SDRAM connection diagram in multi-channel video monitor processing terminal of the present utility model;
Fig. 5 is that the DM642 in multi-channel video monitor processing terminal of the present utility model is connected block diagram with the interface of FLASH;
Fig. 6 is the EMAC interface of the DM642 in multi-channel video monitor processing terminal of the present utility model and the connection layout of physical chip DM9161A.
Embodiment
The embodiment provided below in conjunction with accompanying drawing is described in further detail the utility model.
As shown in Figure 1, a kind of novel multi-channel video monitor processing terminal, comprise multi-channel video capturing and video compressing module 1, video output module 2, transducer, memory module 3, hard disk driving module 4, pci bus module and Network Interface Module 5, described novel multi-channel video monitor processing terminal be take TMS320DM642 as main control processor, take multi-channel video capturing and video compressing module as the Video coding core devices, can realize efficiently time-division multiplex video image acquisition, compression, transmission and the storage of 4 Channel Perfect D1 forms or CIF form.Described multi-channel video monitor processing terminal be take TMS320DM642 as main control processor, described hard disk driving module comprises that hard disk and SATA drive chip, described hard disk drives chip to be connected with the pci bus module by SATA, described multi-channel video capturing and video compressing module are connected to main control processor by the pci bus module, and main control processor receives the PC control instruction and controls in real time related sensor; Described memory module is connected to main control processor by pci bus, and the multiplex bus of described main control processor is chosen as the EMAC mode, builds the Ethernet coffret; Described video output module comprises video encoder and display, and described display is connected with main control processor by video encoder, and the video-out port of main control processor is connected with video encoder.
As shown in Figure 1, a kind of novel multi-channel video monitor processing terminal, comprise multi-channel video capturing and video compressing module 1, video output module 2, memory module 3, hard disk driving module 4 and Network Interface Module 5, described video monitoring processing terminal be take TMS320DM642 as core
A, take TMS320DM642 as main control processor, take the dedicated video compression chip as the Video coding core devices, build the main functional modules such as operation, structure Ethernet coffret and video demonstration output interface that SATA bus driver mode realizes hard disk, the hardware circuit of design Active Eyes;
B, reasonable balanced terminal hardware resource, energy real-time implementation 4 tunnel video stream compression codings, processing, transmission and store function, receive PC control instruction local control related sensor;
C, consider the limitation of DM642 pci bus function, multiplex bus is chosen as to the EMAC mode, for the Ethernet transmission, utilize cheap fpga chip to build the conversion between general pci interface and the asynchronous memory interface of the outside expansion of DM642, realize the data interaction of special-purpose multi-channel video capturing and video compressing module and hard disk driving module and DM642.
It is that TW2815, video compression chip are SC8919 that multi-channel video capturing described in the utility model and video compressing module 1 are selected the multi-channel video capturing chip, and its bus interface is supported the PCI mode; The selected chip of video output module 2 is SAA7105; The selected SDRAM memory chip of described memory module 3 is that MT48LC4M32B2, selected FLASH memory chip are AM29LV033C; It is SiI3114 that the selected SATA of described hard disk driving module 4 drives chip, and its bus interface is supported the PCI mode; The selected physical chip of described Network Interface Module 5 is DM9161A.Because ethernet physical layer in DM642 and pci interface are multiplexing, DM642 can only be operated in Ethernet net physical layer state or pci interface state.The PCI module of DM642 is not support the byte addressing, so the PCI mouth of DM642 can not be communicated by letter with some PCI equipment.Therefore SC8919 and SiI3114 utilize the pci bus interface module in Fig. 1 that the pci bus mode is converted to external storage interface EMIFA mode.
Between video capture processor TW2815 and video compression chip SC8919, catenation principle figure as shown in Figure 2.Video output module SAA7105 need to be arranged its running parameter by iic bus, can SAA7105 be configured by the iic bus module of DM642, and the catenation principle figure of DM642 and SAA7105 as shown in Figure 3.EMIF interface and DM642 that RAM memory in memory module, FLASH memory pass through in DM642 are direct-connected, and can its running parameter be set by programming, DM642 is connected block diagram respectively as shown in Figure 4,5 with the interface of FLASH with DM642 with the SDRAM connection diagram.Hard disk driving module SiI3114 chip can obtain the Host Command on pci bus, processes these orders and set up communication between main frame and serial ATA equipment.In Network Interface Module, its standard media stand-alone interface (MII) of DM9161A Ethernet transceiving chip can directly be connected with the EMAC module of DM642, its physical layer can be configured by the MDIO of DM642, its network signal is with the input and output of differential pair form, differential signal is connected with ethernet port (RJ-45) by after a transformation inductor again, and the EMAC module of DM642 and the connection layout of physical chip DM9161A are as shown in Figure 6.
Claims (6)
1. multi-channel video monitor processing terminal, comprise multi-channel video capturing and video compressing module, video output module and transducer, it is characterized in that: also comprise memory module, hard disk driving module, pci bus module and Network Interface Module, described multi-channel video monitor processing terminal be take TMS320DM642 as main control processor, described hard disk driving module comprises that hard disk and SATA drive chip, described hard disk drives chip to be connected with the pci bus module by SATA, described multi-channel video capturing and video compressing module are connected to main control processor by the pci bus module, and can realize the collection of real-time 4 road video flowings, compression, transmission and storage, main control processor receives the PC control instruction and controls in real time transducer, described memory module is connected to main control processor by pci bus, and the multiplex bus of described main control processor is chosen as the EMAC mode, builds the Ethernet coffret, described video output module comprises video encoder and display, and described display is connected with main control processor by video encoder.
2. video monitoring processing terminal according to claim 1, it is characterized in that: the selected chip of described multi-channel video capturing and video compressing module is respectively TW2815, SC8919.
3. video monitoring processing terminal according to claim 1, it is characterized in that: in described video output module, the selected chip of video encoder is SAA7105.
4. video monitoring processing terminal according to claim 1, it is characterized in that: described memory module comprises SDRAM memory chip and FLASH memory chip, and described SDRAM memory chip is that MT48LC4M32B2, described FLASH memory chip are AM29LV033C.
5. video monitoring processing terminal according to claim 1 is characterized in that: it is SiI3114 that described SATA drives chip.
6. video monitoring processing terminal according to claim 1, it is characterized in that: the selected physical chip of described Network Interface Module is DM9161A.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487114.4U CN203387618U (en) | 2013-08-12 | 2013-08-12 | Multipath video monitoring processing terminal |
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| CN201320487114.4U CN203387618U (en) | 2013-08-12 | 2013-08-12 | Multipath video monitoring processing terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954760A (en) * | 2015-06-30 | 2015-09-30 | 西安中飞航空测试技术发展有限公司 | Airborne general video acquisition system |
| CN106454279A (en) * | 2016-12-03 | 2017-02-22 | 河池学院 | Embedded-type video monitoring system |
-
2013
- 2013-08-12 CN CN201320487114.4U patent/CN203387618U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954760A (en) * | 2015-06-30 | 2015-09-30 | 西安中飞航空测试技术发展有限公司 | Airborne general video acquisition system |
| CN104954760B (en) * | 2015-06-30 | 2017-12-05 | 西安中飞航空测试技术发展有限公司 | Airborne generic video acquisition system |
| CN106454279A (en) * | 2016-12-03 | 2017-02-22 | 河池学院 | Embedded-type video monitoring system |
| CN106454279B (en) * | 2016-12-03 | 2023-07-04 | 河池学院 | Embedded video monitoring system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20160812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |