linux环境alsa设备枚举和声音播放功能库,linux environment alsa device enumeration and playback sound library

在Linux系统中枚举当前在线的USB设备，并检测USB设备的热插拔。-On Linux systems enumerate USB devices are currently online, and to detect USB device hot-plug.

自己写的例程，模拟USB初始化时枚举设备时动态数组的使用过程。只实现了其中的APPEND部分。其中SIZE为零的数组是其特点。-Write my own routine, simulation enumerate USB device initialization process of using the dynamic arrays. only part of APPEND. which is characterized by an array of zero size.

完整的解释如何对视频流，如何解析处理，如何枚举本地设备，投射到fb上(A complete explanation of how to stream video, how to parse, how to enumerate local devices, and to project onto FB)