File size: 6,878 Bytes
bcb3d72 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 |
"""
Audio Converter
This script scans a directory for audio files and converts them to WAV format.
It only processes audio files and skips all other file types.
Usage:
python audio_converter.py --input_dir /path/to/audio/files --output_dir /path/to/output
"""
import os
import sys
import argparse
from pathlib import Path
from typing import List, Tuple
import subprocess
def print_info(message):
print(f"INFO: {message}")
def print_error(message):
print(f"ERROR: {message}")
def print_debug(message):
if VERBOSE:
print(f"DEBUG: {message}")
VERBOSE = False
# Audio formats that can be converted
AUDIO_FORMATS = {
'.mp3', '.m4a', '.aac', '.flac', '.ogg', '.wma', '.aiff', '.ape', '.opus'
}
def check_dependencies() -> bool:
"""
Check if required dependencies are installed.
Returns:
bool: True if dependencies are met, False otherwise
"""
# Check for ffmpeg
try:
subprocess.run(
["ffmpeg", "-version"],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
print_info("ffmpeg is installed.")
return True
except FileNotFoundError:
print_error("ffmpeg is not installed. Please install it before running this script.")
return False
def scan_directory(directory: str) -> Tuple[List[Path], List[Path]]:
"""
Scan directory for audio files.
Args:
directory: Path to the directory to scan
Returns:
Tuple containing lists of audio files and files to skip
"""
audio_files = []
skip_files = []
dir_path = Path(directory)
if not dir_path.exists():
raise FileNotFoundError(f"Directory not found: {directory}")
for file_path in dir_path.glob('**/*'):
if file_path.is_file():
file_ext = file_path.suffix.lower()
if file_ext in AUDIO_FORMATS:
audio_files.append(file_path)
elif file_ext == '.wav':
# Skip existing WAV files
print_debug(f"Skipping existing WAV file: {file_path}")
skip_files.append(file_path)
else:
# Skip non-audio files
print_debug(f"Skipping non-audio file: {file_path}")
skip_files.append(file_path)
print_info(f"Found {len(audio_files)} audio files to convert")
print_info(f"Skipping {len(skip_files)} files (WAV or non-audio)")
return audio_files, skip_files
def convert_audio_to_wav(input_file: Path, output_file: Path) -> bool:
"""
Convert audio file to WAV format using ffmpeg.
Args:
input_file: Path to input audio file
output_file: Path to output WAV file
Returns:
bool: True if conversion was successful, False otherwise
"""
try:
# Ensure output directory exists
output_file.parent.mkdir(parents=True, exist_ok=True)
cmd = [
"ffmpeg",
"-y", # Overwrite output file if it exists
"-i", str(input_file), # Input file
"-acodec", "pcm_s16le", # Output codec (16-bit PCM)
"-ar", "44100", # Sample rate (44.1kHz)
"-ac", "1", # Mono audio (1 channel)
str(output_file) # Output file
]
process = subprocess.run(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
if process.returncode != 0:
print_error(f"Error converting {input_file}: {process.stderr.decode()}")
return False
print_info(f"Successfully converted {input_file} to WAV")
return True
except Exception as e:
print_error(f"Error converting {input_file}: {str(e)}")
return False
def process_files(audio_files: List[Path], input_dir: str, output_dir: str,
preserve_structure: bool = True) -> Tuple[int, int]:
"""
Process all identified audio files for conversion.
Args:
audio_files: List of audio files to convert
input_dir: Input directory path
output_dir: Output directory path
Returns:
Tuple of successful conversions, failed conversions
"""
input_base = Path(input_dir)
output_base = Path(output_dir)
success_count = 0
failure_count = 0
# Process audio files
for audio_file in audio_files:
if preserve_structure:
rel_path = audio_file.relative_to(input_base)
output_file = output_base / rel_path.with_suffix('.wav')
else:
output_file = output_base / f"{audio_file.stem}.wav"
if convert_audio_to_wav(audio_file, output_file):
success_count += 1
else:
failure_count += 1
return success_count, failure_count
def parse_arguments() -> argparse.Namespace:
"""Parse command-line arguments."""
parser = argparse.ArgumentParser(description="Convert audio files to WAV format")
parser.add_argument('--input_dir', type=str, required=True,
help='Directory containing files to convert')
parser.add_argument('--output_dir', type=str, required=True,
help='Directory for output WAV files')
parser.add_argument('--flat', action='store_true',
help='Don\'t preserve directory structure')
parser.add_argument('--verbose', '-v', action='store_true',
help='Enable verbose output')
return parser.parse_args()
def main():
"""Main function to run the script."""
global VERBOSE
try:
args = parse_arguments()
VERBOSE = args.verbose
print_info(f"Input directory: {args.input_dir}")
print_info(f"Output directory: {args.output_dir}")
if not check_dependencies():
print_error("Missing dependencies. Please install required packages.")
sys.exit(1)
# Create output directory if it doesn't exist
os.makedirs(args.output_dir, exist_ok=True)
audio_files, skip_files = scan_directory(args.input_dir)
# Process files
preserve_structure = not args.flat
success_count, failure_count = process_files(
audio_files,
args.input_dir,
args.output_dir,
preserve_structure
)
# Print summary
print_info(f"Conversion complete!")
print_info(f"Successfully converted: {success_count} files")
print_info(f"Failed conversions: {failure_count} files")
except Exception as e:
print_error(f"Error during execution: {str(e)}")
sys.exit(1)
if __name__ == "__main__":
main() |