基于linux + arm cotex-a9下的音视频编解码，及通道设置，实现音视频录制及播放。-Based on linux+ arm cotex-a9 under the audio and video codecs, and channel settings to achieve audio and video recording and playback.

可在cotex-a8板子上运行的MP4 demo，界面是GTK做的，在linux下可运行-Can run on cotex-a8 board MP4 demo, the interface is GTK do, can run under linux