cargo run --package=whipinto -- -c vp8 -u http://localhost:7777/whip/777 --command \"ffmpeg -re -f lavfi -i testsrc=size=640x480:rate=30 -vcodec libvpx -cpu-used 5 -deadline 1 -g 10 -error-resilient 1 -auto-alt-ref 1 -f rtp 'rtp://127.0.0.1:{port}?pkt_size=1200'" ...