【摘要】： 隨著我國經濟的快速發(fā)展,廣告已經是商家、企事業(yè)部門宣傳自己的主要手段,利用廣告機來發(fā)布廣告已逐漸被人們普遍認同和接受。但是目前大多數公共場所均采用的是單機廣告機,其內容的周期更新比較長且更新過程需要較高人工費用,而少數場所雖然采用流媒體技術,即通過網絡在線實時播放,但其播放效果常常受網絡不良狀況困擾,所以實現一種廣告內容更新便捷、人工參與環(huán)節(jié)少、播放效果好的廣告機成為眾多商家,企事業(yè)單位進行廣告宣傳新的重要選擇。因此在這種背景下,通過采用高效播放器和網絡技術,實現遠程廣告內容更新和控制播放是有意義的。 基于以上需求,本文結合網絡廣告機設計與分析工作展開論述。首先分析了單機播放、流媒體播放和下載本地后播放各自技術特點,最終采用下載媒體文件到廣告機后本地播放的技術方案。然后結合硬件平臺,對ARM-Linux嵌入式操作系統(tǒng)進行了分析和移植。接下來介紹了網絡廣告機媒體播放器Mplayer解碼流程、邏輯結構、音視頻同步技術、代碼結構和配置編譯等。最后介紹了SSH協議并將其應用到實際的應用軟件中。項目開發(fā)經過前期的選題、市場調研、技術分析等階段,現在已經進入試驗階段且運行測試效果良好。
[Abstract]:With the rapid development of our country's economy, advertising has been the main means for businesses, enterprises and institutions to publicize their own, the use of advertising machine to publish advertising has been gradually recognized and accepted by people. However, at present, most public places are using single-machine advertising machines, whose contents are updated for a long period and require high labor costs. Although a few places use streaming media technology, that is, real-time broadcast online through the network, But its play effect is often troubled by the bad condition of the network, so it is convenient to realize a kind of advertisement content renewal, the artificial participation link is few, the play effect good advertisement machine has become many merchants, the enterprises and institutions carry on the advertisement propaganda the new important choice. In this context, it is meaningful to use efficient player and network technology to realize remote advertising content update and control play. Based on the above requirements, this paper discusses the design and analysis of network advertising machine. Firstly, the technical characteristics of single player, streaming media play and local playback are analyzed. Finally, the technical scheme of downloading media files to local player is adopted. Then combined with the hardware platform, the ARM-Linux embedded operating system is analyzed and transplanted. Then it introduces the Mplayer decoding flow, logic structure, audio and video synchronization technology, code structure and configuration compilation. Finally, the SSH protocol is introduced and applied to the practical application software. The development of the project has entered the experimental stage and the effect of running the test is good after the early selection of topics, market research, technical analysis and so on.
【學位授予單位】：大連海事大學
【學位級別】：碩士
【學位授予年份】：2009
【分類號】：TN919.82

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