Bash function for convert video for twitter upload

convert_video_for_twitter.sh

# Bash function for convert video for twitter upload. 
# Place this function in your bash profile
#
# Usage: convert_for_twitter <file_path>
#
# Source http://pimentoso.blogspot.com/2016/01/convert-videos-for-twitter-using-ffmpeg.html

function convert_for_twitter {
  # Make sure to install ffmpeg with libx
  # brew install ffmpeg --with-libvpx
  fullname=$1
  name=${fullname%\.*}
  ext=${fullname#*\.}
  ffmpeg -i ${fullname} -r 30 -c:v libx264 -b:v 1M -vf scale=640:-1 ${name}_twitter.mp4
}