Enter the following statement to list the computer equipment
ffmpeg -list_devices true -f dshow -i dummy
cmd enter the following statement can check camera information
ffmpeg -list_options true -f dshow -i video="USB2.0 PC CAMERA"
Plug flow
ffmpeg -f dshow -i audio="Line 2 (Virtual Audio Cable)" -vcodec libx264 -acodec aac -preset:v ultrafast -tune:v zerlatency -f flv rtmp://stream.booyao.cn/AppName/StreamName