简单的基于libmad的mp3播放器，可用于学习libmad的使用，编译通过，测试效果不错，编译时请修改交叉编译工具以及重新生成libmad-Simple libmad based mp3 player, can be used to study the use of libmad, compile, test results are good, when you modify the cross-compiler compiler tools and regenerate libmad