CN211047082U

CN211047082U - High-speed download equipment of surveillance video

Info

Publication number: CN211047082U
Application number: CN202020267799.1U
Authority: CN
Inventors: 卓静; 曹浩; 姜军; 徐晓聪; 李飞; 邓录杨
Original assignee: Sichuan Shengbang Runda Technology Co ltd
Current assignee: Sichuan Shengbang Runda Technology Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-07-17
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a high-speed download equipment of surveillance video for improve surveillance video download speed. The system comprises a TS (transport stream) decoder connected with a video stream output end of a monitoring camera and used for converting a monitoring video into a TS file; the memory is connected with the output end of the TS (transport stream) transcoder through a one-out-of-multiple switch, a plurality of memory units are arranged in the memory, or the memory consists of a plurality of parallel secondary memories, and each memory unit or each secondary memory is respectively provided with a downloading interface; the multi-channel output channel of the one-out-of-multiple switch is respectively connected with a storage unit or a secondary storage; the FPGA module is connected with a clock encoder and is used for controlling the output channels of the one-out-of-multiple switch to be sequentially opened in a time-sharing mode through the clock encoder and the FPGA module; and the processor is connected with the FPGA module and the memory and is used for realizing system function configuration.

Description

High-speed download equipment of surveillance video

Technical Field

The utility model relates to a file download field, concretely relates to high-speed download equipment of surveillance video.

Background

The frequency monitoring is an important component of a safety precaution system, and is a comprehensive system with stronger precaution capacity. Video monitoring is widely applied to many occasions due to intuition, accuracy, timeliness and rich information content. In recent years, with the rapid development of computers, networks, image processing and transmission technologies, video monitoring technologies have been developed. Video monitoring technology plays an important role in security systems.

Generally, the monitoring cameras are all monitoring all day long, so the amount of stored video content files is very large, and can reach hundreds of G in a day, and if the downloading of the videos needs a long time, the traditional downloading mode obviously cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a high-speed download equipment of surveillance video for change surveillance video's storage format, thereby improve the video stream download speed.

The purpose of the utility model is realized through the following technical scheme:

a surveillance video high-speed download device, the device comprising:

the TS flow transcoder is connected with the video flow output end of the monitoring camera and is used for converting the monitoring video into a TS flow file;

the memory is connected with the output end of the TS (transport stream) transcoder through a one-out-of-multiple switch, a plurality of memory units are arranged in the memory, or the memory consists of a plurality of parallel secondary memories, and each memory unit or each secondary memory is respectively provided with a downloading interface;

the multi-channel output channel of the one-out-of-multiple switch is respectively connected with a storage unit or a secondary storage;

the FPGA module is connected with a clock encoder and is used for controlling the output channels of the one-out-of-multiple switch to be sequentially opened in a time-sharing mode through the clock encoder and the FPGA module;

and the processor is connected with the FPGA module and the memory and is used for realizing system function configuration.

Compared with the traditional monitoring video storage system, the scheme is that the monitoring video is converted into the TS file for storage, and the downloading speed of the TS stream file greatly exceeds that of the video file, so that the video downloading speed is greatly improved, and then the plurality of storage units are adopted for separate storage, so that each storage unit can be independently downloaded, and if the storage units are simultaneously downloaded, the downloading speed is doubled, and the downloading speed of the video file is improved.

Further, the TS stream decoder is a tsMuxer module, which is used to encapsulate the video file into a TS format file. the tsMuxer module is the most common packaging software at present, has stable functions, and has excellent effect when used in the scheme.

Further, the one-out-of-multiple switch is a gate digital switch, and at least one-out-of-four switch.

Further, the download interface is a USB interface. The USB interface is arranged, so that the universality of the equipment is higher.

Furthermore, the TS flow decoder, the one-out-of-multiple switch, the memory, the clock encoder, the FPGA module and the processor are packaged in the same terminal, and the terminal is connected with a computer of the monitoring background.

Furthermore, a TS stream decoder is further included between the terminal and the computer, the TS stream decoder is connected with the processor, and the output end of the TS stream decoder is connected with the computer, and is used for converting the TS file into a video file to be played on the computer.

Further, the TS stream decoder is built with TS to rmvb decoding, TS to mp4 decoding, TS to avi decoding, and TS to wmv decoding.

The utility model has the advantages that: the scheme utilizes the TS format to store the video file, the downloading speed is higher, and simultaneously, a plurality of memories are utilized to replace the original mode of a single memory, so that the number of video downloading interfaces is increased, and the downloading speed is doubled.

Drawings

FIG. 1 is a schematic view of a conventional video camera video storage;

fig. 2 is a schematic diagram of the system of the present invention.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in fig. 1, the method is a video storage method of a surveillance camera in a conventional mode, in which surveillance videos are directly stored in a memory as a video format file, and then played, called, and downloaded by a computer. Due to the limitation of file types, the traditional downloading mode is generally 2-5M/s, and a lot of time is needed for completing the downloading of video files in large batch. The method provides a high-speed download device for the monitoring video, firstly, the storage format and the storage form of the video file are changed, thereby accelerating the download speed.

As shown in fig. 2, a surveillance video high-speed downloading apparatus includes:

and the TS flow decoder is connected with the video flow output end of the monitoring camera and used for converting the monitoring video into the TS flow file, and the single-thread downloading can usually reach 100M/s due to the high downloading speed of the TS file, so that the downloading speed is greatly improved. In order to further improve the downloading speed, the scheme also provides a multithreading downloading structure. The specific improvement scheme is that a memory is connected with the output end of the TS (transport stream) transcoder through a one-out-of-more switch, a plurality of memory units are arranged in the memory, or the memory consists of a plurality of parallel secondary memories, and each memory unit or each secondary memory is respectively provided with a downloading interface; the multiple output channels of the one-out-of-multiple switch are respectively connected with a storage unit or a secondary storage. In other words, the idea of the scheme is that the traditional memory is changed into a plurality of memories for storage, so that the traditional memory position is changed into a plurality of memory positions, and each memory position can be downloaded independently, thereby realizing the multi-thread downloading of the same camera monitoring video and further improving the downloading speed. In order to complete the separate storage of the multiple storage units, the scheme also designs an FPGA module connected with the one-out-of-multiple switch, wherein the FPGA module is connected with a clock encoder and is used for controlling the output channels of the one-out-of-multiple switch to be sequentially opened in a time-interval manner through the clock encoder and the FPGA module. The time period setting mode of the clock encoder can be quantized according to the storage space of the storage unit or the secondary storage, and if each storage unit can only store two days of video capacity, the time period control of the clock encoder is correspondingly designed to be two days, namely, the FPGA module changes the output channel of the one-out-of-one switch once every two days, and finally, the clock encoder further comprises a processor connected with the FPGA module and the storage to realize system function configuration, wherein the function configuration mainly refers to the realization of necessary functions of logical operation, power supply configuration and the like of the FPGA. More preferably, the TS stream transcoder is a tsMuxer module for encapsulating video files into TS format files. The one-out-of-multiple switch is a gate digital switch and at least one-out-of-four switch, namely, the scheme at least improves the simultaneous downloading of four lines. The download interface is a USB interface. The TS flow decoder, the one-out-of-multiple switch, the memory, the clock encoder, the FPGA module and the processor are packaged in the same terminal, and the terminal is connected with a computer of the monitoring background. Finally, in order to realize the real-time playing of the monitoring video, a TS decoder is also arranged between the terminal and the computer, the TS decoder is connected with the processor, the output end of the TS decoder is connected with the computer, and the TS decoder is used for converting the TS file into the video file to be played on the computer. The TS stream decoder is built with TS to rmvb decoding, TS to mp4 decoding, TS to avi decoding, and TS to wmv decoding.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A surveillance video high-speed download device, comprising:

2. The surveillance video high-speed download device of claim 1, wherein the TS-stream transcoder is a tsMuxer module for encapsulating video files into TS-format files.

3. The surveillance video high-speed download device according to claim 1, wherein the one-out-of-many switch is a gate digital switch that is at least a one-out-of-four switch.

4. The surveillance video high-speed downloading device as claimed in claim 1, wherein the downloading interface is a USB interface.

5. The high-speed download device of the monitoring video according to claim 1, wherein the TS stream decoder, the one-out-of-multiple switch, the memory, the clock encoder, the FPGA module, and the processor are packaged in the same terminal, and the terminal is connected to the computer of the monitoring background.

6. The surveillance video high-speed downloading device of claim 5, further comprising a TS stream decoder between the terminal and the computer, the TS stream decoder being connected to the processor, and the output terminal of the TS stream decoder being connected to the computer for converting the TS file into a video file to be played on the computer.

7. The apparatus for high-speed downloading of surveillance videos as claimed in claim 6, wherein the TS stream decoder is built with TS forward rmvb decoding, TS forward mp4 decoding, TS forward avi decoding, and TS forward wmv decoding.