@echo off
ffmpeg -i "input_short.mkv" -map_metadata -1 -map 0:v -map 0:a:1 -c:v libaom-av1 -strict experimental -vf "scale=1024:576" -cpu-used 5 -crf 48 -b:v 700k -maxrate 800k -bufsize 800k -g 48 -pass 1 -sn -an -row-mt 1 -tile-columns 1 -f null /dev/null && ^
ffmpeg -i "input_short.mkv" -map_metadata -1 -map 0:v -map 0:a:1 -c:v libaom-av1 -strict experimental -vf "scale=1024:576" -cpu-used 5 -crf 48 -b:v 700k -maxrate 800k -bufsize 800k -g 48 -pass 2 -sn -c:a libopus -b:a 64k -row-mt 1 -tile-columns 1 "output_av1.webm"
pause