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f06a7c2530
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def4436499
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from typing import Optional |
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import m3u8 |
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from loguru import logger |
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from pydantic import BaseModel |
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from src.api import get_song_info, get_m3u8_from_api, download_m3u8 |
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from src.config import Config, Device |
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from src.exceptions import CodecNotFoundException |
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from src.metadata import SongMetadata |
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from src.types import GlobalAuthParams |
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from src.url import Song |
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from src.utils import get_codec_from_codec_id |
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async def get_available_audio_quality(m3u8_url: str): |
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parsed_m3u8 = m3u8.loads(await download_m3u8(m3u8_url), uri=m3u8_url) |
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result = [] |
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for playlist in parsed_m3u8.playlists: |
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if get_codec_from_codec_id(playlist.stream_info.audio): |
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result.append(AudioQuality(codec_id=playlist.stream_info.audio, |
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codec=get_codec_from_codec_id(playlist.stream_info.audio), |
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bitrate=playlist.stream_info.bandwidth, |
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average_bitrate=playlist.stream_info.average_bandwidth, |
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channels=playlist.media[0].channels, |
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sample_rate=playlist.media[0].extras.get("sample_rate", None), |
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bit_depth=playlist.media[0].extras.get("bit_depth", None))) |
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return result |
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class AudioQuality(BaseModel): |
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codec_id: str |
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codec: str |
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bitrate: int |
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average_bitrate: int |
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channels: str |
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sample_rate: Optional[int] = None |
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bit_depth: Optional[int] = None |
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async def get_available_song_audio_quality(song: Song, config: Config, auth_params: GlobalAuthParams, |
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device: Device) -> tuple[SongMetadata, list[AudioQuality]]: |
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specified_m3u8 = None |
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token = auth_params.anonymousAccessToken |
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song_data = await get_song_info(song.id, token, song.storefront, config.region.language) |
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song_metadata = SongMetadata.parse_from_song_data(song_data) |
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if config.m3u8Api.enable: |
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m3u8_url = await get_m3u8_from_api(config.m3u8Api.endpoint, song.id, config.m3u8Api.enable) |
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if m3u8_url: |
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specified_m3u8 = m3u8_url |
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logger.info(f"Use m3u8 from API for song: {song_metadata.artist} - {song_metadata.title}") |
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if not song_data.attributes.extendedAssetUrls: |
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logger.error( |
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f"Failed to get audio quality fo song: {song_metadata.artist} - {song_metadata.title}. Audio does not exist") |
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raise CodecNotFoundException |
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if not song_data.attributes.extendedAssetUrls.enhancedHls: |
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logger.error( |
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f"Failed to get audio quality for song: {song_metadata.artist} - {song_metadata.title}. Lossless audio does not exist") |
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raise CodecNotFoundException |
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if not specified_m3u8 and config.download.getM3u8FromDevice: |
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device_m3u8 = await device.get_m3u8(song.id) |
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if device_m3u8: |
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specified_m3u8 = device_m3u8 |
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logger.info(f"Use m3u8 from device for song: {song_metadata.artist} - {song_metadata.title}") |
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if specified_m3u8: |
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audio_qualities = await get_available_audio_quality(specified_m3u8) |
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else: |
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audio_qualities = await get_available_audio_quality(song_data.attributes.extendedAssetUrls.enhancedHls) |
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return song_metadata, audio_qualities |
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