#!/bin/bash

export IFS=$'\n';
for i in $(find . -maxdepth 1 -type f \( -iname "*.mpg" -o -iname "*.vob" -o -iname "*.m4v" -o -iname "*.mov" -o -iname "*.avi" -o -iname "*.mp4" -o -iname "*.wmv" -o -iname "*.flv" -o -iname "*.mpeg" -o -iname "*.mkv" -o -iname "*.mov" \) );
do
    echo "Will convert to: ${i:2}_2x.mp4";
  done
  echo "  "
  echo "  "

  for i in $(find . -maxdepth 1 -type f \( -iname "*.mpg" -o -iname "*.vob" -o -iname "*.m4v" -o -iname "*.mov" -o -iname "*.avi" -o -iname "*.mp4" -o -iname "*.wmv" -o -iname "*.flv" -o -iname "*.mpeg" -o -iname "*.mkv" -o -iname "*.mov" \) );
  do
      echo "Speeding up .5x: ${i:2} ";\
        ffmpeg -i ${i:2}  -r 30 -filter:v "setpts=2.0*PTS" -filter:a "atempo=0.5" ${i:2}_slow.mp4
    done
    exit 0
  done
done