Streaming data server, streaming media transmission method and data transmission system

A transmission method and streaming data technology, which is applied in the field of computer communication, can solve problems such as the inability to realize unified access of data acquisition equipment, standardized output, non-uniform interfaces of data acquisition equipment, consumption of remote bandwidth resource processing resources, etc., and achieve saving of computing hardware Requirements, save remote bandwidth resources and on-site processing resources, and meet the effect of data transmission requirements

Active Publication Date: 2012-07-11
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Text data and image data, as stream data, are larger than ordinary parameter data, and are usually transmitted using multimedia data interface devices such as video, which will consume remote bandwidth resources and valuable on-site processing resources
[0004] In addition, at the scene of emergency detection, the amount of short-term burst sensing data is large, the environment is dynamically changing, there are many types of sensing parameters, and the interfaces of data acquisition equipment are various and inconsistent, and fast deployment, fast startup, and fast networking are required. Wait
Conventional data transmission systems and methods cannot meet the data transmission requirements of emergency detection sites because they cannot realize the unified access and standardized output of a large number of data acquisition devices with different types of interfaces

Method used

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  • Streaming data server, streaming media transmission method and data transmission system
  • Streaming data server, streaming media transmission method and data transmission system
  • Streaming data server, streaming media transmission method and data transmission system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as figure 1 As shown, the streaming data server includes a main control module, a data receiving module, a preprocessing module, a standard data output module, a data pool and a historical data storage module.

[0053] The main control module is used to control the start of the data receiving module and the standard data output module, and generate a daemon process to monitor the working status of these two modules;

[0054] The data receiving module is used to obtain stream data such as image data and text data from the data acquisition device and cache them in the receiving buffer, and after caching the stream data such as image data and text data, start the preprocessing module and output them through windows Stream data such as image data and text data to the display;

[0055] Data receiving module, can comprise Socket server receiving module, image data storage module;

[0056] The Socket server receiving module is used to establish a connection with the dat...

Embodiment 2

[0070] Such as figure 2 As shown, the data transmission system is constructed by using the stream data server of Embodiment 1, and the data transmission system includes one or more parameter data acquisition devices, one or more stream data acquisition devices, parameter data switches, stream data switches, parameter data servers, Streaming data server, OPC data access client;

[0071] The parameter data acquisition device is used to output parameter data;

[0072] The stream data acquisition device is used to output stream data such as image data or text data; the stream data acquisition device can be various image acquisition devices (such as infrared, visible light, X-ray, ultrasonic and tomographic imaging, etc.), text generation equipment .

[0073] The parameter data switch is configured to transmit the parameter data output by the parameter data collection device to a parameter data server;

[0074] The flow data switch is configured to transmit the flow data output...

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Abstract

The invention discloses a streaming data server, which comprises a data receiving module, a preprocessing module, a standard data output module and a data pool, wherein the data receiving module is used for acquiring streaming data from data acquisition equipment, caching the acquired streaming data into a receiving buffer, and starting the preprocessing module after the streaming data is cached; the preprocessing module is used for converting the streaming data cached in the receiving buffer into a binary data stream, and writing the binary data stream into the data pool in a queue data structure; and the standard data output module is used for sequentially outputting the valid queue header data of the binary data stream in the data pool through an object linking and embedding for process control (OPC) standard interface. The invention also discloses a streaming data transmission method and a data transmission system. By the streaming data server, the streaming data transmission method and the data transmission system, the streaming data such as text data, image data and the like can be conveniently transmitted to a client, the unified access of the data can be realized, and remote bandwidth resources and field processing resources can be saved.

Description

technical field [0001] The invention relates to computer communication technology, in particular to a stream data server, a stream data transmission method and a data transmission system. Background technique [0002] Data acquisition equipment used to perceive field data, some output parameter data, some output text data, and some output image data (such as infrared light, visible light, X-ray, ultrasonic and tomographic imaging, etc.). [0003] As stream data, text data and image data are larger than ordinary parameter data, and are usually transmitted using multimedia data interface devices such as video, which will consume remote bandwidth resources and valuable on-site processing resources. [0004] In addition, at the scene of emergency detection, there is a large amount of short-term burst sensing data, large dynamic changes in the environment, a wide variety of sensing parameters, and a variety of data acquisition equipment interfaces that are not uniform, and requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/861
Inventor 徐正蓺魏建明童子磊田欣龚勇马皛源田朝阳徐俊章炜刘道明孔之晟
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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