發(fā)布時(shí)間：2018-05-30 02:24

  本文選題：數(shù)字家庭網(wǎng)絡(luò) + UPnPAV��； 參考：《華南理工大學(xué)》2012年碩士論文

【摘要】：計(jì)算機(jī)技術(shù)和網(wǎng)絡(luò)通信技術(shù)的高速發(fā)展，促使電腦、手機(jī)、數(shù)碼產(chǎn)品和數(shù)字家電等信息終端的性能迅速提升，人們對生活質(zhì)量的要求日益提高。智能樓宇、智能家居和信息家電的發(fā)展，使住宅環(huán)境作為技術(shù)實(shí)用平臺的作用日漸顯著，家庭網(wǎng)絡(luò)中的信息設(shè)備間的資源共享和協(xié)同合作也一直都是研究的重點(diǎn)課題。而家庭網(wǎng)絡(luò)中的音視頻嵌入式終端更是各大電子設(shè)備廠商追逐的熱點(diǎn)。本文旨在實(shí)現(xiàn)一個(gè)基于UPnP AV框架的嵌入式多媒體終端系統(tǒng)，實(shí)現(xiàn)家庭網(wǎng)絡(luò)中不同音視頻終端設(shè)備之間的資源和服務(wù)共享。 本文首先概述了數(shù)字家庭網(wǎng)絡(luò)的研究背景和意義，分析了幾種主流數(shù)字家庭網(wǎng)絡(luò)協(xié)議的優(yōu)劣勢，然后深入研究了UPnP協(xié)議的實(shí)現(xiàn)機(jī)制和UPnPAV框架下設(shè)備的服務(wù)內(nèi)容以及設(shè)備和控制點(diǎn)的協(xié)同工作過程。其次探討了平臺選型的參考標(biāo)準(zhǔn)，，評估了平臺的硬件和軟件資源，最終選用SMP8655作為硬件開發(fā)平臺。根據(jù)課題的研究目的，設(shè)計(jì)了三層系統(tǒng)架構(gòu)，并按照高內(nèi)聚，低耦合的原則，對模塊仔細(xì)劃分，解決了平臺移植以及播放器開發(fā)等技術(shù)難點(diǎn)，采用Qt語言進(jìn)行用戶圖形接口設(shè)計(jì)實(shí)現(xiàn)了跨平臺特性。最終實(shí)現(xiàn)了一個(gè)基于UPnP協(xié)議，集成了媒體服務(wù)器、媒體播放器和媒體控制點(diǎn)功能的嵌入式終端系統(tǒng)。該系統(tǒng)支持紅外遙控器輸入控制，支持播放多種格式的音頻和高清視頻文件，并能兼容第三方的UPnP AV設(shè)備。最后結(jié)合第三方UPnP設(shè)備，對該文實(shí)現(xiàn)的SMP8655AV終端的各項(xiàng)功能進(jìn)行了測試，測試結(jié)果達(dá)到設(shè)計(jì)目標(biāo)。 本文設(shè)計(jì)的系統(tǒng)突破了家庭音視頻設(shè)備之間的“信息孤島”，實(shí)現(xiàn)了家庭信息化設(shè)備之間的信息共享，使得人們更便捷地享受信息服務(wù)，具有良好的應(yīng)用價(jià)值和市場前景。
[Abstract]:With the rapid development of computer technology and network communication technology, the performance of information terminals, such as computers, mobile phones, digital products and digital appliances, has been rapidly improved. With the development of intelligent buildings, smart homes and information appliances, the role of residential environment as a practical platform for technology is becoming more and more significant. The resource sharing and collaborative cooperation among information devices in home networks are always the key research topics. The audio and video embedded terminal in home network is a hot spot pursued by major electronic equipment manufacturers. The purpose of this paper is to implement an embedded multimedia terminal system based on UPnP AV framework, and to share resources and services among different audio and video terminal devices in home network. This paper first summarizes the research background and significance of digital home network, and analyzes the advantages and disadvantages of several mainstream digital home network protocols. Then, the implementation mechanism of UPnP protocol, the service content of the device under the UPnPAV framework and the cooperative working process between the device and the control point are studied in detail. Secondly, the reference standard of platform selection is discussed, and the hardware and software resources of the platform are evaluated. Finally, SMP8655 is chosen as the hardware development platform. According to the purpose of the research, the three-tier system architecture is designed, and according to the principle of high cohesion and low coupling, the module is divided carefully to solve the technical difficulties such as platform transplantation and player development, etc. The cross-platform characteristic is realized by using QT language to design the user graphic interface. Finally, an embedded terminal system based on UPnP protocol is implemented, which integrates the functions of media server, media player and media control point. The system supports input control of infrared remote control, playback of audio and high-definition video files in various formats, and compatibility with third-party UPnP AV devices. Finally, the functions of the SMP8655AV terminal implemented in this paper are tested with the third party UPnP device, and the test results reach the design goal. The system designed in this paper breaks through the "information island" between the home audio and video equipment, realizes the information sharing between the family information equipment, makes people enjoy the information service more conveniently, has the good application value and the market prospect.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TP368.1

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本文編號：1953500