Compress mp4 on mac using ffmpeg

.bashrc

video_compress() {
  filename_without_extension="${input_file%.*}"
  extension="${input_file##*.}"
  output_file="${filename_without_extension}-compressed.${extension}"

  ffmpeg -i "$input_file" -vcodec libx264 -crf 23 -acodec aac -strict -2 -movflags faststart "$output_file"
}