#!/bin/bash # Function to check if a command exists command_exists() { command -v "$1" >/dev/null 2>&1 } # Check for required dependencies check_dependencies() { local missing_deps=() if ! command_exists ffmpeg; then missing_deps+=("ffmpeg") fi if ! command_exists yt-dlp && ! command_exists youtube-dl; then missing_deps+=("yt-dlp or youtube-dl") fi if [ ${#missing_deps[@]} -ne 0 ]; then echo "Error: The following dependencies are missing:" for dep in "${missing_deps[@]}"; do echo " - $dep" done echo "Please install them before running this script." exit 1 fi } # Function to download YouTube video download_video() { local url="$1" local output_dir="$2" echo "Starting download in the background..." if command_exists yt-dlp; then yt-dlp -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best' \ -o "$output_dir/%(title)s.%(ext)s" "$url" >/dev/null 2>&1 & else youtube-dl -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best' \ -o "$output_dir/%(title)s.%(ext)s" "$url" >/dev/null 2>&1 & fi local download_pid=$! echo "Download started with PID: $download_pid" return $download_pid } # Function to validate timestamp format validate_timestamp() { local timestamp="$1" if ! [[ $timestamp =~ ^[0-9]{2}:[0-9]{2}:[0-9]{2}$ ]]; then echo "Error: Invalid timestamp format. Use HH:MM:SS" return 1 fi return 0 } # Function to extract clip extract_clip() { local input_file="$1" local start_time="$2" local duration="$3" local output_file="$4" echo "Extracting clip from $start_time for duration $duration..." ffmpeg -i "$input_file" -ss "$start_time" -t "$duration" \ -c:v copy -c:a copy "$output_file" if [ $? -eq 0 ]; then echo "Successfully extracted clip to $output_file" return 0 else echo "Error: Failed to extract clip" return 1 fi } # Main script main() { check_dependencies # Create downloads directory if it doesn't exist mkdir -p downloads # Get YouTube URL read -p "Enter YouTube URL: " youtube_url # Start download in background download_pid=$(download_video "$youtube_url" "downloads") # Get clip details echo -e "\nEnter the clip details:" read -p "Start time (HH:MM:SS): " start_time while ! validate_timestamp "$start_time"; do read -p "Please enter a valid start time (HH:MM:SS): " start_time done read -p "Duration (HH:MM:SS): " duration while ! validate_timestamp "$duration"; do read -p "Please enter a valid duration (HH:MM:SS): " duration done # Wait for download to complete echo -e "\nWaiting for download to complete..." wait $download_pid # Get the downloaded file downloaded_file=$(ls -t downloads/*.mp4 | head -1) if [ -z "$downloaded_file" ]; then echo "Error: No video file found in downloads directory" exit 1 fi # Generate output filename output_file="clips/$(basename "$downloaded_file" .mp4)_clip.mp4" mkdir -p clips # Ask for confirmation echo -e "\nClip details:" echo "Start time: $start_time" echo "Duration: $duration" echo "Output file: $output_file" read -p "Do you want to proceed with extraction? (y/n): " confirm if [[ $confirm =~ ^[Yy]$ ]]; then extract_clip "$downloaded_file" "$start_time" "$duration" "$output_file" else echo "Extraction cancelled" exit 0 fi } # Run main function main