Title:           [Bash] ffmpeg-gif-record
Author:          Twilypastes
Pastebin link:   http://pastebin.com/ReNXZdGV
First Edit:      Saturday 4th of July 2015 07:21:10 PM CDT
Last Edit:       Last edit on: Sunday 5th of July 2015 03:09:11 PM CDT

# Record to MKV using ffmpeg
# http://twily.info/screencast#Other
# (No need to convert to webm)
sh ./screencast -k true
 
# Trim MKV to loop (Optional)
# http://superuser.com/questions/138331/using-ffmpeg-to-cut-up-video
ffmpeg -y -i out.mkv -ss 00:00:01.0 -t 00:00:2.5 trim.mkv
 
# Preview MKV looped
mpv trim.mkv -loop inf
mpv out.mkv -loop inf
 
# Make Palette from MKV
# http://superuser.com/questions/556029/how-do-i-convert-a-video-to-gif-using-ffmpeg-with-reasonable-quality
# http://blog.pkh.me/p/21-high-quality-gif-with-ffmpeg.html
# https://ffmpeg.org/ffmpeg-filters.html#palettegen
ffmpeg -y -i trim.mkv -vf palettegen=stats_mode=diff palette.png
ffmpeg -y -i out.mkv -vf palettegen=stats_mode=diff palette.png
 
# Make GIF using Palette
ffmpeg -y -i trim.mkv -i palette.png -lavfi paletteuse=dither=none -r 12 out.gif
ffmpeg -y -i out.mkv -i palette.png -lavfi paletteuse=dither=none -r 12 out.gif
 
# Clean
rm -f {out.mkv,trim.mkv,palette.png} && mv -i out.gif twily.gif