FFMpeg

Some findings and command line I'm using regularly with ffmpeg.

General User Doc

http://www.astro-electronic.de/FFmpeg_Book.pdf

Create gif

https://engineering.giphy.com/how-to-make-gifs-with-ffmpeg/

ffmpeg -i inputd.mp4 -filter_complex "[0:v] fps=12,scale=w=480:h=-1,split [a][b];[a] palettegen=stats_mode=single [p];[b][p] paletteuse=new=1" output.gif

Timelapse

https://superuser.com/questions/777938/ffmpeg-convert-a-video-to-a-timelapse

ffmpeg -i input.mp4 -filter:v "setpts=0.5*PTS" -an output.mp4

http://mahugh.com/2015/04/29/creating-time-lapse-videos/

http://social.d-e.gr/techblog/posts/12-smoother-timelapses-ffmpeg

ffmpeg -i input -vf "tblend=average,framestep=2,tblend=average,framestep=2,tblend=average,framestep=2,tblend=average,framestep=2,setpts=0.25*PTS" -r 96 -b:v 30M -crf 10 -an output