ffmpeg \
    -re -fflags +genpts -i "6hourVideo.mkv" \
    -flags +global_header -r 30000/1001 \
    -filter_complex "split=2[s0][s1]; [s0]scale=1280x720[s0]; [s1]scale=480x270[s1]" \
    -pix_fmt yuv420p \
    -g:v 30 -keyint_min:v 30 -sc_threshold:v 0 \
    -color_primaries bt709 -color_trc bt709 -colorspace bt709 \
    -c:a aac -ar 48000 -b:a 96k \
    -pix_fmt yuv420p \
    -c:v libx264 \
    -b:v:0 3000K -maxrate:v:0 3000K -bufsize:v:0 3000K/2 \
    -b:v:1 365K -maxrate:v:4 365K -bufsize:v:4 365K/2 \
    -map [s0] -map [s1] -map 0:a:0 \
    -adaptation_sets 'id=0,streams=v id=1,streams=a' \
    -preset veryfast \
    -tune zerolatency \
    -use_timeline 0 \
    -use_template 1 \
    -streaming 1 \
    -http_user_agent Akamai_Broadcaster_v1.0 \
    -http_persistent 0 \
    -target_latency 30 \
    -write_prft 1 \
    -seg_duration 8 \
    -frag_duration 4 \
    -media_seg_name 'chunk-stream_$RepresentationID$-$Number%05d$.$ext$' \
    -init_seg_name 'init-stream_$RepresentationID$.$ext$' \
    -index_correction 1 \
    -f dash \
    "http://127.0.0.1:3000/dash.mpd"