jpeg2mp4.sh

#!/bin/bash

W=800
H=354

PERIOD=5

function ff() {
    ffmpeg -i "$1.jpg" -vf zoompan=z=1:d=8:s=${W}x${H}:fps=2,framerate=30 -c:v mpeg4 -y -pix_fmt yuv420p "slide_${1}.mp4"
    ffmpeg -i "slide_${1}.mp4" -y -vf fade=in:0:30 "slide_fade_in_${1}.mp4"
    ffmpeg -i "slide_fade_in_${1}.mp4" -y -vf fade=out:90:30 "slide_fade_in_out_${1}.mp4"
    #ffmpeg -i "slide_fade_in_${1}.mp4" -y -vf fade=t=out:st=1:d=1 "slide_fade_in_out_${1}.mp4"
    #
    cp "slide_fade_in_out_${1}.mp4" "${1}.mp4"
    rm "slide_${1}.mp4"
    rm "slide_fade_in_${1}.mp4"
    rm "slide_fade_in_out_${1}.mp4"
    echo "file ${1}.mp4" >> concatv.txt
}

rm *.mp4
rm concatv.txt
ff 1
ff 2
ff 3
ff 4
#
ffmpeg -f concat -i concatv.txt -c copy output.mp4