ffmpeg : push the desktop to the server.

ffmpeg.exe -report -f dshow -i audio="virtual-audio-capturer" -f dshow -i video="screen-capture-recorder" -vcodec libx264 -acodec aac -s 1920*1080 -r 25 -g 25 -pix_fmt yuv420p -preset veryfast -tune zerolatency -f flv rtmp://192.168.2.100/myapp/mystream

Run Server(need to install "golang" environment)。

go run main.go

ffplay.

ffplay.exe -i rtmp://192.168.2.100/myapp/mystream -fflags nobuffer

LAN delay in about 0.5 seconds.

Delay picture.