Create a time lapse starting from plain photos taken with a intervalometer

timelapsify.sh

#!/bin/zsh

[ -z "$1" ] && echo "Usage: $0 inputdir [framerate]" && exit 1

inpudir=$1
outputfile="$1.mov"

framerate=$2
: ${framerate:="60"}

files=(${inpudir}/*)
size=$(file ${files[1]} | grep -Eo '([0-9]+x[0-9]+)')
extension="${files[1]##*.}"

frames=$(ls -l ${inpudir} | egrep -c '^-')
echo -e "\e[32mFrames to process: ${frames}\e[0m"

ffmpeg -framerate ${framerate} -pattern_type glob -i "${inpudir}/*.${extension}" -s:v ${size} -c:v prores -profile:v 3 -pix_fmt yuv422p10 ${outputfile}