Windows Movie Maker Shitposting Script

wmms.sh

#!/usr/bin/env bash
#
# Windows Movie Maker Shitposting Script by @chrisdavidmiles
# 
# This script generates a video of text in the style of 2007 era Windows Movie 
# Maker youtube tutorials. I'm not really sure why I made this script tbh.
# 
# This script requires ffmpeg and imagemagick to run.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#

##################################
###### VIDEO SETTINGS START ######
##################################

# Full path of .mp3 for video background music
wmms_music="/full/path/to/music.mp3"

# Length of the video
secondsLong="17";

# Video Size
width="640"
height="480"

# Colors
# See imagemagick.org/script/color.php
background_color="#5282bc"
text_color="white"

#Font to use
#Run "convert -list font" for list of font choices
font="Segoe-Script"

##################################
###### VIDEO SETTINGS END ########
##################################



# Usage start
wmms_help () {
wmms_usage_text="This script generates a video of text in the style of 2007 era Windows Movie Maker youtube tutorials. I'm not really sure why I made this script tbh.
Usage: $0 \"Enter your text here\""
echo "$wmms_usage_text";
exit
}
# Usage end


# Error handling start
set -e
function wmms_error {
  echo -e "\nThis script has thrown an error."
  echo "Here's where things went wrong:"
  echo "$(caller): ${BASH_COMMAND}\n"
}
trap wmms_error ERR
# Error handling end


# Pre flight checks start
unset wmms_missing_dependencies
if [ ! -f "$wmms_music" ]
then
  echo "This script is set to use the .mp3 file located at \"$wmms_music\" as background music but no file was found there. I like using the song \"Trance\" by 009 Sound System for that 2007 era Windows Movie Maker youtube tutorial vibe."
  exit
fi
if ! command -v ffmpeg &> /dev/null
then
  wmms_missing_dependencies='ffmpeg'
fi
if ! command -v convert &> /dev/null
then
  if [ -z "$wmms_missing_dependencies" ]
  then
    wmms_missing_dependencies='imagemagick'
  else
    wmms_missing_dependencies+=' and imagemagick'
  fi
fi
if [ ! -z "$wmms_missing_dependencies" ]
then
  echo "This script requires $wmms_missing_dependencies to run." >&2
  if [[ $OSTYPE == 'darwin'* ]]
  then
    echo "You can install $wmms_missing_dependencies using https://brew.sh " >&2
  else
    echo "Please install $wmms_missing_dependencies before running this script." >&2
  fi
  exit;
fi
wmms_tmp="/tmp/wmm-shitpost"
if [ ! -d "$wmms_tmp" ]
then
  mkdir -p "$wmms_tmp" || echo "Unable to create the $wmms_tmp directory. Perhaps the /tmp folder on your system is not writable by you?" >&2;
fi
touch "$wmms_tmp/$$-test" || echo -e "This script was unable to write to $wmms_tmp/\n Perhaps it's not writable by you?" >&2;
if [ -z "$1" ]
then
  wmms_help
fi
# Pre flight checks end


# Generate video start
if [ $width -gt $height ]
then
  border_size=$((width / 10))
else
  border_size=$((height / 10))
fi
convert_size="$width"
convert_size+="x"
convert_size+="$height"
ffmpeg_mode="-hide_banner -loglevel error"
ffmpeg_size="scale="
ffmpeg_size+="$width"
ffmpeg_size+=":"
ffmpeg_size+="$height"
convert -font "$font" -bordercolor "$background_color" -border "$border_size" -background "$background_color" -fill "$text_color" -gravity center -size $convert_size caption:"$1" "$wmms_tmp/$$-image.jpg" 
ffmpeg $ffmpeg_mode -loop 1 -i "$wmms_tmp/$$-image.jpg" -c:v libx264 -t "$secondsLong" -pix_fmt yuv420p -vf "$ffmpeg_size" "$wmms_tmp/$$-silent.mp4"
ffmpeg $ffmpeg_mode -i "$wmms_tmp/$$-silent.mp4" -i $wmms_music -map 0:v -map 1:a -c:v copy -shortest "$wmms_tmp/$$-with-sound.mp4"
ffmpeg $ffmpeg_mode -i "$wmms_tmp/$$-with-sound.mp4" -vf "fade=t=in:st=0:d=1.5" -c:a copy "$wmms_tmp/$$.mp4"
rm $wmms_tmp/$$-*
# Generate video end


# Video export start
if [[ $OSTYPE == 'darwin'* ]]
then
  # On MacOS open the video.
  echo "Opening \"$$.mp4\""
  open "$wmms_tmp/$$.mp4"
else
  # On other systems, just print the filename.
  echo "Video exported to \"$wmms_tmp/$$.mp4\""
fi
# Video export end