ffmpeg -i %1 -map 0 -c copy -c:v libaom-av1 -strict experimental -row-mt 1 -cpu-used 4 -tile-columns 3 -tile-rows 0 -crf 50 -b:v 0 -pass 1 -passlogfile "%~dpn1_SD08a" -arnr-max-frames 15 -lag-in-frames 24 -g 240 -auto-alt-ref 1 -pix_fmt yuv420p -sws_dither none -pix_fmt yuv420p -filter:v scale=w=852:h=480:sws_flags=bicublin+accurate_rnd:sws_dither=none,setsar=1 -an -sn -dn -f null NUL
ffmpeg -i %1 -map 0 -c copy -c:v libaom-av1 -strict experimental -row-mt 1 -cpu-used 4 -tile-columns 3 -tile-rows 0 -crf 50 -b:v 0 -pass 2 -passlogfile "%~dpn1_SD08a" -arnr-max-frames 15 -lag-in-frames 24 -g 240 -auto-alt-ref 1 -pix_fmt yuv420p -sws_dither none -pix_fmt yuv420p -filter:v scale=w=852:h=480:sws_flags=bicublin+accurate_rnd:sws_dither=none,setsar=1 -c:a libopus -b:a 48k -af aformat=channel_layouts="stereo" "%~dpn1_480a_temp.mkv"
mkvmerge.exe -o "%~dpn1 [AV1 480p 8bits q50][opus 48kbs].mkv" "%~dpn1_480a_temp.mkv"
del "%~dpn1_480a_temp.mkv"
del "%~dpn1_SD08a-0.log"
pause
EXIT