忘光了，感谢网友的整理
https://www.zhihu.com/question/29973696
#rtsp2rtmp
ffmpeg -i "rtsp://admin:q12345678@172.16.23.150:554/H.264/ch1/main/av_stream" -f flv -vcodec copy -acodec copy -an rtmp://xx.xxx.134.242:1935/live/001
html
<html> <body> <object type='application/x-vlc-plugin' id='vlc' events='True' classid='clsid:9BE31822-FDAD-461B-AD51-BE1D1C159921' codebase="http://comic.sjtu.edu.cn/vlc/cab/axvlc.cab" width="1920" height="1080"> <param name='mrl' value='rtsp://admin:q12345678@172.16.23.201:554/H.264/ch1/sub/av_stream' /> <param name='volume' value='50' /> <param name='autoplay' value='true' /> <param name='loop' value='false' /> <param name='fullscreen' value='false' /> </object> <!-- <object type='application/x-vlc-plugin' id='vlc' events='True' width="720" height="540" pluginspage="http://www.videolan.org" codebase="http://downloads.videolan.org/pub/videolan/vlc-webplugins/2.0.6/npapi-vlc-2.0.6.tar.xz"> <param name='mrl' value='rtsp://admin:q12345678@172.16.23.224:554/H.264/ch1/sub/av_stream' /> <param name='volume' value='50' /> <param name='autoplay' value='true' /> <param name='loop' value='false' /> <param name='fullscreen' value='false' /> </object> --> </body </html>