profilevideo.sh

#! /usr/bin/env bash

# Requirements: 
# - `primitive` @ https://github.com/fogleman/primitive, 
# - `imagemagick` @ http://www.imagemagick.org/script/index.php,
# - `ffmpeg` @ https://ffmpeg.org/

# Make sure your input photo is named `input.jpg` (variable support later!)

# keep yo folder neat
mkdir profilevideo

# Facebook's Profile Video restricts video length @ max = 7s

# We want to have a 60fps, looping (boomerang style) video.

# 3.5 * 60 = 210 frames for the looped video.

primitive -i input.jpg -o profilevideo/input.gif -n 1050 -vv # n=1050 gives 210 frames

convert profilevideo/input.gif profilevideo/pv_%05d.png

ffmpeg -framerate 60 -i profilevideo/pv_%05d.png -c:v libx264 -r 60 -pix_fmt yuv420p profilevideo/input1.mp4

ffmpeg -i profilevideo/input1.mp4 -vf reverse profilevideo/input2.mp4

ffmpeg -i profilevideo/input1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts profilevideo/intermediate1.ts
ffmpeg -i profilevideo/input2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts profilevideo/intermediate2.ts
ffmpeg -i "concat:profilevideo/intermediate1.ts|profilevideo/intermediate2.ts" -c copy -bsf:a aac_adtstoasc output.mp4