基于ARM9的Mplayer播放器的移植 计算机与电子技术等专业毕业设计 毕业论文.doc

摘 要 目前市场上媒体播放器款式层出不穷。从原先只能用于欣赏音乐的MP3，至今已经发展成能够播放多种视频，音频格式的MP4，MP5等多功能媒体播放器。嵌入式系统的官方定义是以应用为中心、软件硬件可裁剪的、适应应用系统对功能、可靠性、成本、体积、功耗等严格综合性要求的专用计算机系统。其硬件以一个高性能的处理器（通常是32位处理器）为基础，软件以一个多任务操作系统为基础，非常适合完成MPlayer移植相关任务。本次毕业设计任务就是以Linux嵌入式开发为主线，利用X86PC机与ARM2410s嵌入式平台开发多种播放格式的MPlayer。 本系统首先完成X86PC机Linux环境下MPlayer的实现，之后通过QT制作MPlayer GUI，完成MPlayer 向ARM2410s嵌入式平台的移植和调试工作。并且通过研究多种视频的文件格式，使MPlayer能够播放多种视频格式。该毕业设计完成了任务书的要求。 关键词:嵌入式；Linux；MPlayer；视频格式；QT ABSTRACT The present market has been seeing various designs of media players emerging one after another. Originating from MP3 which can only serves for appreciating music, the multifunctional media players nowadays have been developed into MP4 and MP5, which can display many video and audio formats. Based on the software-hardware combined multimedia processing. The official definition for embedded system is a application-centered ware tailorable dedicated computer system that can cater to the strict integrative requires of the application system of function, reliability, cost, volume and power dissipation. The graduate project plans to develop Mplayer with various play formats using the embedded platform of X86PC machine and ARM2410S, with the development of Linux embedded chips as the main line. The system first has accomplished players implementation of X86PC machine under the environment of Linux, followed which Mplayer GUI has been constructed to achieve the transplantation and debug from Mplayer to ARM2410 embedded platform. Meanwhile, Mplayer is designed to display various video formats though research on the file formats of various videos. The graduate project has accomplished all the requires of the assignment. Key words: embedded; Linux; video format; QT 目 录 第一章 前言.................................................1 1. 研究背景和意义...........................................1 2. 嵌入式系统概述...