ivs-ffmpeg-webcam-mic.sh

$ ffmpeg \
    -f avfoundation \
    -video_size 1920x1080 \
    -framerate 30 \
    -i "2:2" \
    -c:v libx264 \
    -b:v 6000K \
    -maxrate 6000K \
    -pix_fmt yuv420p \
    -r 30 \
    -s 1920x1080 \
    -profile:v main \
    -preset veryfast \
    -g 120 \
    -x264opts "nal-hrd=cbr:no-scenecut" \
    -acodec aac \
    -ab 160k \
    -ar 44100 \
    -f flv \
    $DEMO_STREAM_INGEST_ENDPOINT/$DEMO_STREAM_KEY