Files
sdb2-backend/app/utils/audio.py

35 lines
1.0 KiB
Python

"""Audio file utility functions shared across audio processing services."""
import hashlib
from pathlib import Path
import ffmpeg # type: ignore[import-untyped]
from app.core.logging import get_logger
logger = get_logger(__name__)
def get_file_hash(file_path: Path) -> str:
"""Calculate SHA-256 hash of a file."""
hash_sha256 = hashlib.sha256()
with file_path.open("rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_sha256.update(chunk)
return hash_sha256.hexdigest()
def get_file_size(file_path: Path) -> int:
"""Get file size in bytes."""
return file_path.stat().st_size
def get_audio_duration(file_path: Path) -> int:
"""Get audio duration in milliseconds using ffmpeg."""
try:
probe = ffmpeg.probe(str(file_path))
duration = float(probe["format"]["duration"])
return int(duration * 1000) # Convert to milliseconds
except Exception as e:
logger.warning("Failed to get duration for %s: %s", file_path, e)
return 0