树莓派拍照和录制视频

//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