67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
"""Audio file utility functions shared across audio processing services."""
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import hashlib
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from pathlib import Path
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from typing import TYPE_CHECKING
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import ffmpeg # type: ignore[import-untyped]
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from app.core.logging import get_logger
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if TYPE_CHECKING:
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from app.models.sound import Sound
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logger = get_logger(__name__)
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def get_file_hash(file_path: Path) -> str:
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"""Calculate SHA-256 hash of a file."""
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hash_sha256 = hashlib.sha256()
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with file_path.open("rb") as f:
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for chunk in iter(lambda: f.read(4096), b""):
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hash_sha256.update(chunk)
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return hash_sha256.hexdigest()
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def get_file_size(file_path: Path) -> int:
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"""Get file size in bytes."""
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return file_path.stat().st_size
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def get_audio_duration(file_path: Path) -> int:
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"""Get audio duration in milliseconds using ffmpeg."""
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try:
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probe = ffmpeg.probe(str(file_path))
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duration = float(probe["format"]["duration"])
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return int(duration * 1000) # Convert to milliseconds
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except (ffmpeg.Error, KeyError, ValueError, TypeError, Exception) as e:
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logger.warning("Failed to get duration for %s: %s", file_path, e)
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return 0
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def get_sound_file_path(sound: "Sound") -> Path:
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"""Get the file path for a sound based on its type and normalization status.
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Args:
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sound: The Sound object to get the path for
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Returns:
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Path: The full path to the sound file
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"""
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# Determine the correct subdirectory based on sound type
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if sound.type.upper() == "EXT":
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subdir = "extracted"
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elif sound.type.upper() == "SDB":
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subdir = "soundboard"
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elif sound.type.upper() == "TTS":
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subdir = "text_to_speech"
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else:
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# Fallback to lowercase type
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subdir = sound.type.lower()
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# Use normalized file if available, otherwise original
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if sound.is_normalized and sound.normalized_filename:
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return Path("sounds/normalized") / subdir / sound.normalized_filename
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return Path("sounds/originals") / subdir / sound.filename
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