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midiaudiopair.py
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midiaudiopair.py
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import os
import shutil
from omegaconf import OmegaConf
BLACKLIST_PIANO_YTID = [
"cp37xi5Jbs",
"0meKPm-75As",
"0uN66vwQElI",
"S5zn1FJ29GU",
"s_npS7szUjk",
"SCssvPlXbvc",
"sH7ErWQut5g",
"DYQhtNMCzsA",
"4CaGkbWUovE",
"SQtrlqkIl4o",
"ykpFk4EniDk",
"WpHke7iywS8",
]
class MidiAudioPair:
VALID = 0
NO_SONG = 1
NO_PIANO = 2
NO_SONG_DIR = 3
BAD_DURATION = 4
BAD_TITLE = 5
NO_TEMPO = 6
BLACKLIST = 7
BAD_ACCURACY = 8
ERROR_CODE = {
VALID: "Valid",
NO_SONG: "No Song",
NO_PIANO: "No Piano",
NO_SONG_DIR: "No Song Dir",
BAD_DURATION: "Duration Bad",
BAD_TITLE: "Bad Title",
NO_TEMPO: "No Tempo",
BLACKLIST: "Blacklist",
BAD_ACCURACY: "Bad Accuracy",
}
def validate_files(self):
attrs = [
"midi",
"song",
"beattime",
"beatstep",
"beatinterval",
"qmidi",
"qmix",
"notes",
"vqvae",
"vocals",
]
invalids = []
for attr in attrs:
file = getattr(self, attr, None)
if file is None or not os.path.exists(file):
invalids.append(attr)
return invalids
def validate_yaml(self, audio_dir, yaml):
if not hasattr(yaml, "song"):
return MidiAudioPair.NO_SONG
if not hasattr(yaml, "piano"):
return MidiAudioPair.NO_PIANO
if yaml.piano.ytid in BLACKLIST_PIANO_YTID:
return MidiAudioPair.BLACKLIST
song_dir = os.path.join(audio_dir, yaml.piano.ytid)
if not os.path.exists(song_dir) or not os.path.isdir(song_dir):
return MidiAudioPair.NO_SONG_DIR
piano_sec = int(yaml.piano.duration)
song_sec = int(yaml.song.duration)
if piano_sec / song_sec > 1.2 or piano_sec / song_sec < 0.83:
return MidiAudioPair.BAD_DURATION
if yaml.piano.title.find("HANPPYEOM") != -1:
return MidiAudioPair.BAD_TITLE
if not hasattr(yaml, "tempo"):
return MidiAudioPair.NO_TEMPO
if not hasattr(yaml, "eval") or yaml.eval.melody_chroma_accuracy < 0.15:
return MidiAudioPair.BAD_ACCURACY
return MidiAudioPair.VALID
def set_song_attrs(self):
basename = os.path.join(self.song_dir, f"{self.yaml.song.ytid}")
self.mix = basename + ".mix.flac"
self.midi = basename + ".mid"
self.song = basename + ".pitchshift.wav"
self.beattime = basename + ".beattime.npy"
self.beatstep = basename + ".beatstep.npy"
self.beatinterval = basename + ".beatinterval.npy"
self.qmidi = basename + ".qmidi.mid"
self.qmix = basename + ".qmix.flac"
self.notes = basename + ".notes.npy"
self.vqvae = basename + ".vqvae.pt"
self.vocals = basename + ".vocals.mp3"
def delete_files_myself(self):
shutil.rmtree(os.path.join(self.audio_dir, self.yaml.piano.ytid))
os.remove(self.yaml_path)
os.remove(self.original_midi)
if os.path.exists(self.original_wav):
os.remove(self.original_wav)
def __init__(self, yaml_path, audio_dir=None, auto_remove_no_song=False):
self.yaml_path = yaml_path
self.yaml = OmegaConf.load(yaml_path)
self.audio_dir = (
audio_dir if audio_dir is not None else os.path.dirname(yaml_path)
)
self.song_dir = os.path.join(self.audio_dir, self.yaml.piano.ytid)
self.error_code = self.validate_yaml(self.audio_dir, self.yaml)
self.original_midi = os.path.join(self.audio_dir, f"{self.yaml.piano.ytid}.mid")
self.original_wav = os.path.join(self.audio_dir, f"{self.yaml.piano.ytid}.wav")
if self.error_code == MidiAudioPair.NO_SONG:
print("no song :", yaml_path)
if auto_remove_no_song:
print("remove :", yaml_path)
self.delete_files_myself()
return
else:
self.set_song_attrs()
self.invalids = self.validate_files()
self.is_valid = (self.error_code == MidiAudioPair.VALID) and (
len(self.invalids) == 0
)
if self.error_code != MidiAudioPair.NO_SONG:
self.original_song = os.path.join(
self.song_dir, f"{self.yaml.song.ytid}.wav"
)
self.title = f"{self.yaml.piano.title}___{self.yaml.song.title}"
else:
self.title = f"{self.yaml.piano.title}"
def __repr__(self):
return f"{MidiAudioPair.ERROR_CODE[self.error_code]}, inv{self.invalids}, {self.yaml_path}, {self.title}"
def generated(self, composer, generated="model_name"):
midi_path = os.path.join(
self.song_dir, generated, self.yaml.song.ytid + "." + composer + ".mid"
)
return midi_path
def result_json(self, generated="model_name"):
json_path = os.path.join(
self.song_dir, generated, self.yaml.song.ytid + ".result.json"
)
return json_path