FFMPEG Script to Speed Up Video

speedupvideo.sh

#!/bin/bash

display_error() {
  gum style --foreground 1 "❌ $1"
}

display_message() {
  local color="$1"
  local message="$2"
  gum style --foreground "$color" "$message"
}

validate_input_file() {
  local input_file="$1"
  if [ ! -f "$input_file" ]; then
    display_error "Input file does not exist! ❌"
    exit 1
  fi
}

generate_output_file_name() {
  local input_file="$1"
  echo "${input_file%.*}_speed-up.${input_file##*.}"
}

process_video() {
  local input_file="$1"
  local output_file="$2"

  gum style --foreground 34 --border-foreground 34 --border double \
    --align center --width 50 --margin "1 2" --padding "2 4" \
    "🎬 Processing video..." # Display a nice header with gum

  gum spin --title "Processing..." -- gum exec ffmpeg -i "$input_file" -filter:v "setpts=PTS/4" -an -loglevel quiet "$output_file"
}

display_completion_message() {
  local output_file="$1"
  gum style --foreground 2 --border-foreground 2 --border double \
    --align center --width 50 --margin "1 2" --padding "2 4" \
    "✅ Video processing complete. Output saved as $output_file. 🎉"
}

main() {
  if [ -z "$1" ]; then
    display_error "Usage: $0 <input_file> 📛"
    exit 1
  fi

  input_file="$1"

  validate_input_file "$input_file"

  output_file=$(generate_output_file_name "$input_file")

  process_video "$input_file" "$output_file"

  display_completion_message "$output_file"
}

main "$@"