CN200966120Y - Four-channel network video processing device - Google Patents
Four-channel network video processing device Download PDFInfo
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- CN200966120Y CN200966120Y CN 200620148801 CN200620148801U CN200966120Y CN 200966120 Y CN200966120 Y CN 200966120Y CN 200620148801 CN200620148801 CN 200620148801 CN 200620148801 U CN200620148801 U CN 200620148801U CN 200966120 Y CN200966120 Y CN 200966120Y
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- 238000000034 method Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims description 12
- 230000005236 sound signal Effects 0.000 claims description 9
- 206010045178 Tunnel vision Diseases 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 11
- 238000007906 compression Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
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Abstract
The utility model discloses a four-way network video processing device. The four-way network video processing device comprises a synthesis part, a video processing unit with a DRAM and a network processing unit. The synthesis part synthesizes the input four ways of standard digital video signals into a digital video signal stream; the video processing unit obtains four ways of digital video signals by separation and recovery after the DRAM of the video processing unit receives and stores the synthesized digital video signal stream and processes or compresses respectively the signals and then outputs four ways of data corresponding to the input video signals; the network processing unit and the video processing unit control the network processing unit by a PCI interface, implements multiple network protocols and complete the real-time transmission of four ways of video over the network. As the four-way network video processing device utilizes a processing device to complete the four-way video compression and simultaneously completes the system control and the network transmission, the integration degree is high and the cost is low.
Description
Technical field
The utility model relates to a kind of four road network network video process apparatus, and it comprises video processing unit and the network processing unit of compound component, band DRAM.
Background technology
The multi-channel video treatment technology is widely used in fields such as video monitoring, long-distance education, remote automation management, has obtained deep application in industries such as bank, traffic, electric power, telecommunications.At present can finish functions such as video compression, image recognition, video storage and remote transmission according to different application demands.
The normal video image through resolution after the digitlization is: PAL 720 * 576, and NTSC 720 * 480, or PAL 768 * 576, and NTSC 640 * 480, are called D1; For CIF resolution is PAL 352 * 288 or 384 * 288, NTSC 352 * 240 or 320 * 240.Common video processing unit can insert the normal video image and handle, and has following two kinds for the multipath digital video processing method:
1, adopt an independent cover treatment circuit for each road video, Fig. 1 represents the formation block diagram of this kind treatment circuit.Video processing unit is dsp chip or video dedicated processes chip, and normal video can be reduced into the CIF form in video processing unit, carries out various video images then and handles.The shortcoming of this mode is that each road all needs independent video processing unit, system complex, and cost height.
2, adopt four picture synthetic technologys, then composograph is handled, Fig. 2 represents the formation block diagram of this kind treatment circuit.The normal video image is reduced into the CIF form in four picture parts, then four CIF pictures are synthesized a standard picture, is input to video processing unit and carries out various video images processing.The control of simultaneity factor and Network Transmission also need a processor, and the shortcoming of this mode is that system configuration is a multi-processor mode, the handling process complexity, and cost is than higher.
Summary of the invention
For overcoming the defective of prior art, the technical problems to be solved in the utility model has provided a kind of integrated level height, four road network network video process apparatus that cost is low.
The technical solution of the utility model is: this four road network network video process apparatus, the video processing unit and the network processing unit that comprise compound component, band DRAM, described compound component, its accurate digital video signal of four road signs that will import synthesizes a digital video signal flow; Described video processing unit, its DRAM receives, stores the digital video signal stream after above-mentioned synthesizing, obtain four way word vision signals by separating reduction, and after these signals are handled respectively or compress, export four tunnel data corresponding to the vision signal of input; Described network processing unit, video processing unit are realized the multiple network agreement by pci interface Control Network processing unit, finish the network real-time Transmission of four road videos.
Because the video processing unit of this four road networks network video process apparatus is finished the overall controlled function of system, can carry out Real Time Compression to four tunnel vision signals of input and handle.Video processing unit is realized the multiple network agreement by pci interface Control Network processing unit, finishes the network real-time Transmission of four road videos, so can utilize a processing unit to finish four tunnel video compression and finish system's control and Network Transmission simultaneously.
Description of drawings
Fig. 1 is the formation block diagram of individual processing circuit of the prior art;
Fig. 2 is the synthetic formation block diagrams of handling of four pictures of the prior art;
Fig. 3 is a The general frame of the present utility model;
Fig. 4 is the block diagram of the embodiment of employing network video server of the present utility model;
Fig. 5 is the block diagram of the embodiment of employing embedded video video tape recorder of the present utility model.
Embodiment
With reference to the accompanying drawings, will be described in detail embodiment of the present utility model.
Fig. 3 is a The general frame of the present utility model.Four road analog video signals are directly inputted to four picture segmentation parts of integrated A/D function, this example adopts the chip of model AP-5200 or TW 2824, this chip comprises four A/D converters and one four picture segmentation parts, four road analog videos are through being converted to four way word vision signals, and every way word image leaves in the DRAM memory; By the data among the four picture segmentation component controls DRAM, adopt the single game mode to every road image data samples, respectively the picture horizontal resolution of four circuit-switched data being dwindled one times then becomes the CIF form, synchronously four road images of different clocks is synthesized a standard picture through multichannel and is exported by described partition member.
Described video processing unit is got each road video data in the described synthetic video data by different addresses, and described each circuit-switched data is handled separately, compressed, and exports four data flow corresponding to the vision signal of input afterwards.
Video processing unit is finished the overall controlled function of system, can carry out Real Time Compression to four tunnel vision signals of input and handle.Video processing unit is realized the multiple network agreement by pci interface Control Network processing unit, finishes the network real-time Transmission of four road videos.
Fig. 4 is the block diagram of the embodiment of employing network video server of the present utility model.Four road analog video signals are directly inputted to compound component, comprise four A/D converters in the compound component, and four road analog video signals are converted to four way word vision signals through A/D, synthesize a video data stream then.Concrete principle is: adopt the single game mode to every road image data samples, respectively the picture horizontal resolution of four circuit-switched data being dwindled one times then becomes the CIF form, synchronously four road images of different clocks is synthesized a standard picture through multichannel and is exported by described partition member.Four road simulated audio signals are converted to N way word audio signal by A/D, all digital video and audio signals are input to video processing unit, synthetic video signal flow is divided into four road independent video datas by video processing unit, finish Video processing and compression then, audio frequency is also handled compression through video processing unit simultaneously, and rear video is handled in each road compression at last and audio sync synthesizes a data flow.
Video processing unit is finished the initialization and the work control of whole module simultaneously, as required data is sent on the network by network interface behind the receiving compressed data.Video processing unit is also finished and is shown control and input/output interface control.
Fig. 5 is the block diagram of the embodiment of employing embedded video video tape recorder of the present utility model.Four road analog video signals are directly inputted to compound component, comprise four A/D converters in the compound component, and four road analog video signals are converted to four way word vision signals through A/D, synthesize a video data stream then.Concrete principle is: adopt the single game mode to every road image data samples, respectively the picture horizontal resolution of four circuit-switched data being dwindled one times then becomes the CIF form, synchronously four road images of different clocks is synthesized a standard picture through multichannel and is exported by described partition member.Four road simulated audio signals are converted to N way word audio signal by A/D, all digital video and audio signals are input to video processing unit, synthetic video signal flow is divided into four road independent video datas by video processing unit, finish Video processing and compression then, audio frequency is also handled compression through video processing unit simultaneously, and rear video is handled in each road compression at last and audio sync synthesizes a data flow.
Simultaneously video processing unit is finished the initialization and the work control of whole module, deposits data in hard disk by hard-disk interface as required behind the receiving compressed data or sends on the network by network interface.Video processing unit is also finished and is shown control and input/output interface control.
In the utility model, compound component adopts AP-5200 or TW 2824, and video processing unit adopts PNX-1500 series DSP, PNX-1700 series DSP or PNX-1900 series DSP.
Claims (4)
1, four road network network video process apparatus, comprise compound component, the band DRAM video processing unit and network processing unit, it is characterized in that:
Described compound component, its accurate digital video signal of four road signs that will import synthesizes a digital video signal flow;
Described video processing unit, its DRAM receives, stores the digital video signal stream after above-mentioned synthesizing, obtain four way word vision signals by separating reduction, and after these signals are handled respectively or compress, export four tunnel data corresponding to the vision signal of input;
Described network processing unit, video processing unit are realized the multiple network agreement by pci interface Control Network processing unit, finish the network real-time Transmission of four road videos.
2, according to the described four road network network video process apparatus of claim 1, it is characterized in that: described compound component also comprises A/D converter, and it is converted to the accurate digital video signal of four road signs with four road analog video signals.
3, according to the described four road network network video process apparatus of claim 1, it is characterized in that: also be provided with the A/D converter that another kind of input signal is converted to digital signal, described another kind of input signal is four tunnel audio signals corresponding to four tunnel vision signals, four way word audio signals after the conversion, be input to described video processing unit, distinguish described each the road audio signal of stored at corresponding each of the digital video signal of described correspondence with different addresses.
4, according to each described four road network network video process apparatus of claim 1-3, it is characterized in that: compound component adopts AP-5200 or TW 2824, and video processing unit adopts PNX-1500 series DSP, PNX-1700 series DSP or PNX-1900 series DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148801 CN200966120Y (en) | 2006-10-25 | 2006-10-25 | Four-channel network video processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148801 CN200966120Y (en) | 2006-10-25 | 2006-10-25 | Four-channel network video processing device |
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| CN200966120Y true CN200966120Y (en) | 2007-10-24 |
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| CN 200620148801 Expired - Lifetime CN200966120Y (en) | 2006-10-25 | 2006-10-25 | Four-channel network video processing device |
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- 2006-10-25 CN CN 200620148801 patent/CN200966120Y/en not_active Expired - Lifetime
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| C14 | Grant of patent or utility model | ||
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Owner name: BEIJING HANBANG TECHNOLOGY CORP., LTD. Free format text: FORMER NAME: BEIJING HANBANGGAOKE DIGITAL TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100080, Room 403, block A, Zhongke building, 22 Zhongguancun street, Haidian District, Beijing Patentee after: Beijing Hanbang Gaoke Digital Technology Co., Ltd. Address before: 100080, Room 403, block A, Zhongke building, 22 Zhongguancun street, Haidian District, Beijing Patentee before: Beijing Hanbanggaoke Digital Technology Co.,Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120116 Granted publication date: 20071024 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: The Milky Way Albert Beijing Digital Technology Co. Ltd.|Beijing Hanbang Technology Co. Ltd. Registration number: 2009110000518 |
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Address after: 100089 Beijing City, Haidian District Changchun Road No. 11 Building No. 4 room 1-12 on the south side of the podium Patentee after: Beijing Hanbang Gaoke Digital Technology Co., Ltd. Address before: 100080, Room 403, block A, Zhongke building, 22 Zhongguancun street, Haidian District, Beijing Patentee before: Beijing Hanbang Gaoke Digital Technology Co., Ltd. |
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