ffpeg : Encode all video files in folders

ffmpeg-batch-folder-encode.md

FOR /F "tokens=*" %%G IN ('dir /b *.avi')
DO ffmpeg.exe -hide_banner -i "%%G" -threads 8 -acodec mp3 -b:a 128k -ac 2 -strict -2 -c:v libx264 -crf 23 -filter:v "scale=1280:-2,unsharp=5:5:1.0:5:5:0.0" -sws_flags lanczos -b:v 1024k -profile:v main -preset medium -tune film -async 1 -vsync 1 "%%~nG.mp4"

for %i in (*.mp4) do ffmpeg -i "%i" "%~ni.mp3"

https://stackoverflow.com/questions/5784661/how-do-you-convert-an-entire-directory-with-ffmpeg
for PRESET in $(seq 7 -1 5); do for CRF in "$(seq 35 -5 20)"; do ffmpeg -probesize 9223372036854775807 -analyzeduration 9223372036854775807 -fflags +genpts+igndts -i in.mkv -map 0 -c:v libsvtav1 -crf "${CRF}" -preset "${PRESET}" -svtav1-params:v:0 enable-overlays=1:enable-tf=0:fast-decode=0:film-grain=0:film-grain-denoise=0:keyint=120:scd=1:tune=0 -c:a libopus -b:a "" -vbr on -mapping_family 1 -filter:a aformat=channel_layouts="7.1|6.1|5.1|5.0|quad|3.0" -c:s webvtt -map_chapters -1 -map_metadata -1 "out-${CRF}.mkv"; done; done

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