方法一 、ffmpeg -f dshow -i audio="Internal Microphone (Conexant S" -f dshow -i audio="virtual-audio-capturer" -filter_complex amix=inputs=2:duration=first:dropout_transition=2 -f gdigrab -i desktop -vcodec libx264 -r 60.97 -b:v 1500K -codec:a aac -ac 2 -ar 44100 -pix_fmt yuv420p -tune zerolatency -preset ultrafast -f flv "rtmp://192.168.3.185:1935/oflaDemo/hello"
方法二、