jpgs2avi.sh

#!/bin/bash
# take a directory of images and combine them into a movie

# create an editable list of frames for the movie
ls -1v | grep JPG > files.txt

# 1080p at 24 fps
mencoder -nosound -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=21600000 -o timelapse.1080p.24fps.avi -mf type=jpeg:fps=24 mf://@files.txt -vf scale=1920:1080

# 4K at 60 fps
#mencoder -nosound -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=21600000 -o timelapse.4K.60fps.avi -mf type=jpeg:fps=60 mf://@files.txt -vf scale=3840:2160