116 lines
4.0 KiB
Python
116 lines
4.0 KiB
Python
from dataclasses import dataclass
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from datetime import datetime
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import subprocess
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import json
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from flask import current_app as app # Adjust this based on your app's structure
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from typing import List, Optional
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class AudioProfile:
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def __init__(self, path: str, bitrate: int = 0, sample_rate: int = 0, channels: int = 0) -> None:
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"""
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Initialize an AudioProfile instance.
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Args:
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path (str): The file path of the audio file.
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bitrate (int): The audio bitrate in kbps. Default is 0.
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sample_rate (int): The sample rate in Hz. Default is 0.
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channels (int): The number of audio channels. Default is 0.
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"""
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self.path: str = path
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self.bitrate: int = bitrate # in kbps
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self.sample_rate: int = sample_rate # in Hz
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self.channels: int = channels
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@staticmethod
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def analyze_audio_quality_with_ffprobe(filepath: str) -> Optional['AudioProfile']:
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"""
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Static method to analyze audio quality using ffprobe and return an AudioProfile instance.
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Args:
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filepath (str): Path to the audio file to analyze.
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Returns:
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Optional[AudioProfile]: An instance of AudioProfile if analysis is successful, None otherwise.
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"""
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try:
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# ffprobe command to extract bitrate, sample rate, and channel count
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cmd = [
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'ffprobe', '-v', 'error', '-select_streams', 'a:0',
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'-show_entries', 'stream=bit_rate,sample_rate,channels',
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'-show_format',
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'-of', 'json', filepath
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]
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result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
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if result.returncode != 0:
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app.logger.error(f"ffprobe error for file {filepath}: {result.stderr}")
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return None
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# Parse ffprobe output
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data = json.loads(result.stdout)
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stream = data.get('streams', [{}])[0]
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bitrate: int = int(stream.get('bit_rate', 0)) // 1000 # Convert to kbps
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if bitrate == 0: # Fallback if no bit_rate in stream
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bitrate = int(data.get('format').get('bit_rate', 0)) // 1000
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sample_rate: int = int(stream.get('sample_rate', 0)) # Hz
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channels: int = int(stream.get('channels', 0))
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# Create an AudioProfile instance
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return AudioProfile(filepath, bitrate, sample_rate, channels)
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except Exception as e:
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app.logger.error(f"Error analyzing audio quality with ffprobe: {str(e)}")
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return None
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def compute_quality_score(self) -> int:
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"""
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Compute a quality score based on bitrate, sample rate, and channels.
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Returns:
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int: The computed quality score.
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"""
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return self.bitrate + (self.sample_rate // 1000) + (self.channels * 10)
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def __repr__(self) -> str:
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"""
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Representation of the AudioProfile instance.
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Returns:
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str: A string representation of the AudioProfile instance.
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"""
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return (f"AudioProfile(path='{self.path}', bitrate={self.bitrate} kbps, "
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f"sample_rate={self.sample_rate} Hz, channels={self.channels})")
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@dataclass
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class CombinedTrackData():
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# Combines a track from a provider with a track from the db
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title: str
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artist: List[str]
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url: List[str]
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duration: str
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downloaded: bool
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filesystem_path: Optional[str]
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jellyfin_id: Optional[str]
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provider_id: str
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provider_track_id: str
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duration_ms: int
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download_status: Optional[str]
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provider: str
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@dataclass
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class CombinedPlaylistData():
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name: str
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description: Optional[str]
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image: str
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url: str
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id: str
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jellyfin_id: Optional[str]
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can_add: bool
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can_remove: bool
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last_updated: Optional[datetime]
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last_changed: Optional[datetime]
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tracks_available: int
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track_count: int
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tracks_linked: int
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percent_available: float
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status: str |