feh -r /path/to/your/images/ --auto-rotate --edit -Z --draw-tinted -F -Y -z -D 33 --info 'exiftool -p \$DateTimeOriginal %F -dateformat \%d-\%m-\%Y && echo %N' --fontpath /usr/share/fonts/truetype/dejavu/ --font 'DejaVuSans-Bold/44'

exiftool -if '(not $datetimeoriginal)' "-datetimeoriginal<FileModifyDate" -r -ext jpeg /path/to/your/images

for mp4_file in *.mp4; do base_name="${mp4_file%.*}"; wav_file="${base_name}.wav"; output_file="${base_name}b.mp4"; ffmpeg -i "$mp4_file" -i "$wav_file" -c:v copy -c:a aac -map 0:v:0 -map 1:a:0 "$output_file"; done