Create time lapse video from images
From WickyWiki
Install ffmpeg:
sudo apt install ffmpeg
Create timelapse indexfile:
sourcedir=$HOME/Pictures/timelapse
find "${sourcedir}" -iname "*.jpg" -type f | sort | sed "s/\(.*\)/file '\1'/g" > "${sourcedir}/../files.txt"
Create the video:
ffmpeg -f concat -safe 0 -i "${sourcedir}/../files.txt" -r 25 -vcodec libx264 -crf 22 "${sourcedir}/../out.mp4"
Speed the video up (x 1/0.4), the resulting file will be smaller:
ffmpeg -f concat -safe 0 -i "${sourcedir}/../files.txt" -vf "setpts=(PTS-STARTPTS)*0.4" -r 30 -vcodec libx264 -crf 22 "${sourcedir}/../out_fast.mp4"
Options
Input indexfile 'files.txt':
-f concat -safe 0 -i "files.txt"
These options allow for this indexfile format:
file '/full/path/to/file1.jpg'
file '/full/path/to/file2.jpg'
...
Video filter. Speedup video by (1 / 0.4):
-vf "setpts=(PTS-STARTPTS)*0.4"
Output framerate:
-r 30
Output codec and quality setting 'Constant Rate Factor'. For x264, this means setting a value somewhere between 18 and 26 for this CRF. The default is 23, and higher values will give you worse quality.
-vcodec libx264 -crf 22
Sources:
