make_timelapse.sh

#!/bin/bash           
set -euox pipefail    
IFS=$'\n\t'           

INTERPOLATED_COUNT=25 
PHOTOS_DIR=$1         
TEMPORARY_FRAMES_DIR=tmp_frames              

echo "Making timelapse from photos in $PHOTOS_DIR..."                                      

echo "Blending interpolated frames..."       
gifblender -o $TEMPORARY_FRAMES_DIR -s $INTERPOLATED_COUNT $PHOTOS_DIR/*.jpg               

echo "Putting frames together..."            
ffmpeg -r 25 -pattern_type glob -i "$TEMPORARY_FRAMES_DIR/*.jpg" -s 1333x2000 -b:v 60M -y "$PHOTOS_DIR.avi"

echo "Cleaning up..." 
rm $TEMPORARY_FRAMES_DIR/*.jpg               

echo "Timelapse complete."