$HOME/ffmpeg-local/ffmpeg \
    -i rtsp://192.168.0.98:8554/unicast \
    -preset ultrafast \
    -c:v copy \
    -c:a copy \
    -bufsize 1835k \
    -pix_fmt yuv420p \
    -flags \
    -global_header \
    -hls_time 10 \
    -hls_list_size 6 \
    -hls_wrap 10 \
    -start_number 1 \
    ./test.m3u8