基于Qtopia Core的MP3播放器在ARM-Linux平台上的设计与实现

Design and Realization of MP3 Player Based on Qtopia Core in ARM-Linux

介绍了嵌入式GUI开发环境Qtopia Core和基于定点运算的高精度MPEG音频解码库libmad的移植,然后设计和实现了以ARM-Linux和Qtopia Core为平台的MP3播放器。该播放器效率高,支持播放列表和均衡器,界面友好,具有全中文界面,能够满足中高端嵌入式产品的需求,在嵌入式产品的应用中具有一定的价值。

The transplant of Embedded GUI development environment Qtopia Core and MPEG audio decoding library Libmad based on fixed - point operation are introduced respectively. This paper designs and realizes a MP3 player in ARM - Linux and Qtopia Core. The player is efficiency and has these performances of supporting playing list and equalizer （EQ） as well as Chinese interface. It can meet the demand of advanced and secondary embedded product and is very valuable for embedded product application.