./ffmpeg-10bit -loglevel verbose -i "BBC_Short_HDR.mov" -map 0:v:0 -pix_fmt yuv420p10le -codec:v libx265 -x265-params "colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc:hdr:hdr-opt:master-display=G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,1):max-cll="1000,120":rc-lookahead=50:keyint=100:min-keyint=50:hrd=1:vbv_maxrate=75000:vbv_bufsize=33000:no-open-gop" -crf 28 -force_key_frames "expr:eq(mod(n,50),0)" -map 0:a:0 -filter_complex "[0:a:2][0:a:3][0:a:4][0:a:5][0:a:6][0:a:7]amerge=inputs=6[aout]" -map "[aout]" -acodec ac3 -ac 6 -ar 48000 -ab 448k -dialnorm -24 -dsur_mode 0 -original 1 -dmix_mode 2 -channel_layout 63 -y UHD_HDR10_HRD-CRF28_ac3.ts