利用Linux下ALSA音频、V4L2视频采集接口采集视频数据，并通过UDP发送数据实现音频、视频通话，系统界面由Qt开发工具设计。嵌入式Linux软件开发，毕设。-Using Linux ALSA V4L2audio, video capture interface collecting video data, and through the UDP to send data to realize the audio, video call, system interface by Qt de

V4L2 视频采集，并通过UDP发送到PC端-V4L2 video capture, and sent to the PC client via UDP

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