DevSusu

# reference

# ubuntu, php
# https://websiteforstudents.com/apache2-with-php-7-1-support-on-ubuntu-18-04-lts-beta-server/

# apache
# https://www.digitalocean.com/community/tutorials/how-to-install-the-apache-web-server-on-ubuntu-18-04
# https://www.digitalocean.com/community/tutorials/how-to-set-up-apache-virtual-hosts-on-ubuntu-18-04

# vsftpd

DevSusu

find . -type f -name "*.png" -exec basename {} .png ';' | while read -r line ; do
  $(convert $line.png pnm:- | mozcjpeg -quality 80 > jpg/$line.jpg)
done

find . -type f -name "*.png" -exec basename {} .png ';' | while read -r line ; do
  $(convert $line.png -background white -alpha remove -alpha off pnm:- | mozcjpeg -quality 80 > jpg/$line.jpg)
done

DevSusu

# referenced from:
# https://medium.com/@Peter_UXer/small-sized-and-beautiful-gifs-with-ffmpeg-25c5082ed733
# https://www.bugcodemaster.com/article/convert-video-animated-gif-using-ffmpeg

# to gif, with custom frame rate
ffmpeg -i input.mov -r 20 \
       -filter_complex "[0:v] fps=15,scale=w=1080:h=-1,split \
       [a][b];[a] palettegen=stats_mode=single [p];[b][p] paletteuse=new=1" \
       output.gif -hide_banner