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Built-in software application architecture and application orienting to multimedia instrument and device

An embedded software and application framework technology, applied in electrical components, televisions, transmission systems, etc., can solve the problems of complex and diversified system development, complicated functions, and obstacles to rapid system development, and achieve reasonable design, time saving, and reasonable guarantee. Effects of Sex and Reliability

Inactive Publication Date: 2008-04-23
ZHEJIANG UNIV
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] Multimedia instruments and equipment generally use embedded processors or DSP processors to achieve the high performance requirements of the system, and the system has complex functions, so the system development for this field is very complex and diverse, which brings obstacles to the rapid development of the system

Method used

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  • Built-in software application architecture and application orienting to multimedia instrument and device
  • Built-in software application architecture and application orienting to multimedia instrument and device
  • Built-in software application architecture and application orienting to multimedia instrument and device

Examples

Experimental program
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Embodiment Construction

[0040] As shown in Figure 2, an embedded software application framework for multimedia instruments and equipment, including:

[0041] The UI system module 200 is used to complete system resources and device initialization, including codec Codec library, Render device, protocol stack, etc., supported multimedia network protocols include streaming media protocols (RTSP, MMS, HTTP), telephone call protocols ( H.323, SIP, MGCP), network transmission protocol (RTP, RTSP, UDP), etc.; receive user interface events, including operations such as fast forward, stop, start playing, and other calls, and notify the event processing module 213; define Timing events and network multimedia protocol transmission events.

[0042] The playback and event processing module 210 is used to analyze audio and video encoding types and create audio and video decoding threads, including:

[0043] Video decoding module 211, for decoding output video data;

[0044] Audio decoding module 212, for decoding...

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Abstract

The disclosed method discloses embedded type software application architecture (ETSAA) oriented to instrument equipment in multimedia category. The method is established based on a set of embedded type software application component library oriented to digitalized instrument equipment in multimedia category, especially a multimedia dedicated component library. The invention realizes service function flow of multimedia application system, and provides audio and video codec with powerful functions. In the method, a platform installation of embedded system of instrument equipment in multimedia category provides tools and environment support for fast developing. Since the said ETSAA oriented to instrument equipment in multimedia category is passed the functional validation, the invention shortens development cycle greatly, and reaches standardization, modularization, and reusability of system software.

Description

technical field [0001] The invention relates to a method and device for developing an embedded system of digital multimedia instruments and equipment, in particular to a method and a device for rapidly developing an embedded system of multimedia instruments and equipment using a software framework. Background technique [0002] The combination of audio and video technology, communication and image technology and other multimedia technologies with digital instruments has given new functional services to instruments and equipment, and the scale of a large number of multimedia instruments and equipment (such as consumer electronics and video surveillance, etc.) has grown explosively. At present, in the field of production and life, multimedia instruments and equipment have a wide range of applications, and the application requirements are increasingly updated. The structure of existing digital multimedia instruments and equipment is generally as follows: figure 1 As shown, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04L29/06H04N19/00
Inventor 陈耀武夏一行
Owner ZHEJIANG UNIV
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