//拍照 raspistill -o image.jpg raspistill -o image.jpg -w 640 -h 480 //录视频 raspivid -o mykeychain.h264 -t 10000 -w 1280 -h 720 //生成视频流 raspivid -o - -t 0 -w 800 -h 600 -fps 20|cvlc -vvv stream:///dev/stdin --sout '#standard{access=http,mux=ts,dst=:8091}' :demux=h264 //VLC播放视频流 http://树莓派IP:8091