media conversion scripts

convert-images-pot.sh

#!/bin/sh

for i in medias/*.jpg;
  do name=`echo $i | cut -d'.' -f1`;
  # # this one looks for the previous pot
  # p2w=$(convert "$i" -format "%[fx:2^(floor(log(w)/log(2)))]" info:)
  # p2h=$(convert "$i" -format "%[fx:2^(floor(log(h)/log(2)))]" info:)
  # # this one looks for the next pot
  # p2w=$(convert "$i" -format "%[fx:2^(ceil(log(w)/log(2)))]" info:)
  # p2h=$(convert "$i" -format "%[fx:2^(ceil(log(h)/log(2)))]" info:)
  # # this does the actual conversion. I use 'jpeg' over 'jpg' to keep a backup.
  # # Then I can also mv medias/*.jpeg to any folder I want without confusion.
  # convert "$i" -background black -gravity center -extent ${p2w}x${p2h} -quality 100 "${name}.jpeg";
done

convert-videos.sh

#!/bin/sh

for i in medias/*.gif;
  do name=`echo $i | cut -d'.' -f1`;
  echo $name;
  ffmpeg -i "$i" -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" "${name}.mp4";
done