一个基于DirectShow的音频视频文件播放器，完全采用C++类的方式组织，可以播放mp3,wav,avi,mpeg等，代码简单易懂，便于移植与复用。-a DirectShow-based Audio Video File player, Class C uses the organization, the broadcast mp3, wav, avi, mpeg. code is simple to understand and easy transplantation and reuse