ffmpeg -f dshow -i video="Logitech HD Pro Webcam C920" -f dshow -i audio="Micrófono (5- Samson Meteor Mic)" -r 60 -vcodec libx264 -preset ultrafast -tune zerolatency -crf 18 -b:v 500k -bufsize 300k -f rtp_mpegts udp://192.168.1.121:1234
Streaming with dropping frames
ffmpeg -f dshow -i video="Logitech HD Pro Webcam C920" -f dshow -i audio="Micrófono (5- Samson Meteor Mic)" -r 30 -vcodec libx264 -preset ultrafast -tune zerolatency -crf 18 -b:v 1500k -bufsize 2500k -pix_fmt yuv420p -async 1 -vsync 1 -f flv rtmp://live.twitch.tv/app/{code}