ffmpeg -f video4linux2 -r 10 -s 640x480 -i "$CAMERA_DEV_NAME" -vcodec h264 -f alsa -thread_queue_size 1024 -i "$MIC_DEV_NAME" -ac 1 -b:a 128k -ar 44100 -tune zerolatency -preset medium -b:v 1500k -f mp3 -f flv rtmp://serverhost:1935/live/test &
ffmpeg -f video4linux2 -r 10 -s 640x480 -i