stitch.sh

#!/bin/bash
ffmpeg -f image2 -framerate 60 -pattern_type glob -i '*.jpg' -filter:v "framestep=1,setpts=N/60/TB,scale=1440:1080" -vcodec libx264 -preset slower -crf 18 -pix_fmt yuv420p ../time-lapse.mp4

time-laplse.sh

#!/bin/bash

take_picture()
{
  DATE_TIME=$(date +"%Y-%m-%d_%H-%M")
  raspistill -vf -hf -o /home/pi/camera/$DATE_TIME.jpg
}

while true; do
  take_picture
  sleep 60
done