Meme generator

turn_into_male_fantasy_meme.sh

#!/bin/bash -l

hash brew 2>/dev/null || {
  /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
}

hash ffmpeg 2>/dev/null || {
  brew install ffmpeg --with-libvpx
}

hash youtube-dl 2>/dev/null || {
  brew install youtube-dl
}

BASE_MEME=https://www.youtube.com/watch?v=6JCy4MOhf7I;

echo 'Downloading intro...'
youtube-dl -q $BASE_MEME -f 'mp4' -o video_meme_intro.mp4
echo 'Downloading input...'
youtube-dl -q -f 'mp4' $1 -o video_meme_input.mp4

echo 'Cropping intro...'
ffmpeg -v 0 -ss 0 -t 6 -i video_meme_intro.mp4 -codec copy video_meme_intro0.mp4
rm video_meme_intro.mp4

if [ -z  "$2" ]
then
  mv video_meme_input.mp4 video_meme_input0.mp4;
else
  if [ -z  "$3" ]
  then
    echo "Input doesn't require cropping...";
  else
    echo 'Cropping input...'
    ffmpeg -v 0 -y -ss $2 -i video_meme_input.mp4 -t $3 -codec copy video_meme_input0.mp4;
    rm video_meme_input.mp4;
  fi
fi

echo 'Concatenating videos...'
ffmpeg -y -v 0 -i video_meme_intro0.mp4 -i video_meme_input0.mp4 -filter_complex "[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" output.mp4;

echo 'Done!'
rm video_meme_input0.mp4;
rm video_meme_intro0.mp4;

open './output.mp4';