基于linux的，mps播放器的源代码，实现暂停，播放，上一曲下一曲，调节音量的功能，在S3C2440开发板上或者linux系统上实现（红帽）-Based on the source code of linux, mps player to pause, play on a lower one, and adjust the volume function on the S3C2440 development board or linux system (Red Hat)