vall-e/vall_e/data.py
2024-06-03 21:28:49 -05:00

1228 lines
41 KiB
Python
Executable File

# todo: clean this mess up
import copy
import h5py
import json
import logging
import numpy as np
import os
import random
import torch
import itertools
from .config import cfg
from .emb.qnt import trim, trim_random, repeat_extend_audio, merge_audio, decode_to_file
from .utils.sampler import Sampler
from .utils.distributed import global_rank, local_rank, world_size
from collections import defaultdict
from functools import cache, cached_property
from itertools import groupby, zip_longest
from pathlib import Path
from typing import Any
from torch import Tensor
from torch.utils.data import DataLoader, Dataset as _Dataset
from torch.utils.data.distributed import DistributedSampler
from torch.nn.utils.rnn import pad_sequence
from tqdm.auto import tqdm
# torch.multiprocessing.set_sharing_strategy("file_system")
_logger = logging.getLogger(__name__)
# fold into a typical LLM sequence (one embedding rather than split embeddings)
def fold_inputs(
text_list = [],
prom_list = [],
resp_list = [],
ignore_index = None,
sep = 3,
stop = 3,
text_tokens = 256,
audio_tokens = 1024,
audio_rvq_levels = cfg.model.prom_levels
):
def _create_mask(l, device):
seq = torch.arange(max(l), device=device).unsqueeze(0) # (1 t)
stop = torch.tensor(l, device=device).unsqueeze(1) # (b 1)
return (seq < stop).float() # (b t)
def list_to_tensor(x_list: list[Tensor]):
l = list(map(len, x_list))
x = pad_sequence(x_list).t()
m = _create_mask(l, x_list[0].device)
m = m.to(x)
return x, m
device = text_list[0].device
batch_size = len(text_list)
input_ids = [ [] for _ in range(batch_size) ]
offset = 0
sep = torch.Tensor([ sep ])
stop = torch.Tensor([ stop ])
for i, text in enumerate(text_list):
seq = text.to("cpu", dtype=torch.int64)
input_ids[i].append( seq )
input_ids[i].append( sep )
offset = text_tokens
for i, prom in enumerate(prom_list):
if ignore_index is not None:
seq = torch.Tensor( [ ignore_index for _ in range( prom.shape[0] * prom.shape[1] ) ] ).to("cpu", dtype=torch.int64)
else:
seq = prom.flatten().to("cpu", dtype=torch.int64)
for idx, token in enumerate( seq ):
token += offset + ( audio_tokens * ( idx % audio_rvq_levels ) )
input_ids[i].append( seq )
input_ids[i].append( sep )
offset = text_tokens + (audio_tokens * audio_rvq_levels)
for i, resp in enumerate(resp_list):
seq = resp.flatten().to("cpu", dtype=torch.int64)
for idx, token in enumerate( seq ):
token += offset + ( audio_tokens * ( idx % audio_rvq_levels ) )
input_ids[i].append( seq )
input_ids[i].append( stop )
for i, batch in enumerate(input_ids):
input_ids[i] = torch.concat(input_ids[i], dim=-1).to(device=device, dtype=torch.int64)
return list_to_tensor(input_ids)
# unfold from one unified token ID space to separate token spaces
def unfold_outputs(
output_ids,
sep = 3,
stop = 3,
text_tokens = 256,
audio_tokens = 1024,
audio_rvq_levels = cfg.model.prom_levels
):
device = output_ids.device
batch_size = output_ids.shape[0]
text_list = [ [] for _ in range(batch_size) ]
prom_list = [ [] for _ in range(batch_size) ]
resp_list = [ [] for _ in range(batch_size) ]
for i, batch in enumerate( output_ids ):
for idx, token in enumerate( batch ):
id = token.item()
if id == sep or id == stop:
continue
if 0 <= id and id < text_tokens:
text_list[i].append( id )
elif text_tokens <= id and id < text_tokens + (audio_tokens * audio_rvq_levels):
prom_list[i].append( (id - text_tokens) % audio_tokens )
elif text_tokens + (audio_tokens * audio_rvq_levels) <= id:
resp_list[i].append( (id - text_tokens) % audio_tokens )
prom_len = len(prom_list[i])
if prom_len % audio_rvq_levels == 0 and False:
prom_list[i] = torch.Tensor(prom_list[i]).reshape( audio_rvq_levels, prom_len // audio_rvq_levels ).t()
else:
bins = [ [] for _ in range(audio_rvq_levels) ]
for pos in range( prom_len ):
rvq = pos % audio_rvq_levels
bins[rvq].append( prom_list[i][pos] )
nearest = ( len(bins) // audio_rvq_levels ) * audio_rvq_levels
bins = bins[:nearest]
prom_list[i] = torch.Tensor(bins).t().to(dtype=torch.int64)
resp_len = len(resp_list[i])
if len(resp_list[i]) % audio_rvq_levels == 0 and False:
resp_list[i] = torch.Tensor(resp_list[i]).reshape( audio_rvq_levels, resp_len // audio_rvq_levels ).t()
else:
bins = [ [] for _ in range(audio_rvq_levels) ]
for pos in range( resp_len ):
rvq = pos % audio_rvq_levels
bins[rvq].append( resp_list[i][pos] )
nearest = ( len(bins) // audio_rvq_levels ) * audio_rvq_levels
bins = bins[:nearest]
resp_list[i] = torch.Tensor(bins).t().to(dtype=torch.int64)
text_list[i] = torch.Tensor( text_list[i] ).to(dtype=torch.int64)
return dict(
text_list=text_list,
prom_list=prom_list,
resp_list=resp_list
)
# to-do: clean up this symmap mess
def get_phone_symmap():
return cfg.tokenizer.get_vocab()
def tokenize( phones ):
return cfg.tokenizer.encode( "".join(phones) )
def get_lang_symmap():
return {
"en": 0,
"ja": 1,
}
def get_tone_symmap():
return {
"neutral": 0,
}
return symmap
def get_task_symmap():
return {
"<tts>": 0,
"<tts-c>": 1,
"<ns>": 2,
"<sr>": 3,
"<tse>": 4,
"<soe>": 5,
"<mask>": 6,
"<eoe>": 7,
}
def _replace_file_extension(path, suffix):
return (path.parent / path.name.split(".")[0]).with_suffix(suffix)
def _get_quant_extension():
return ".dac" if cfg.audio_backend == "dac" else ".enc"
def _get_phone_extension():
return ".json" # if cfg.audio_backend == "dac" else ".phn.txt"
def _get_quant_path(path):
return _replace_file_extension(path, _get_quant_extension())
def _get_phone_path(path):
return _replace_file_extension(path, _get_phone_extension())
_total_durations = {}
@cfg.diskcache()
def _calculate_durations( type="training" ):
if type in _total_durations:
return _total_durations[type]
return 0
@cfg.diskcache()
def _load_paths(dataset, type="training"):
return { cfg.get_spkr( cfg.data_dir / data_dir / "dummy" ): _load_paths_from_metadata( data_dir, type=type, validate=cfg.dataset.validate and type == "training" ) for data_dir in tqdm(dataset, desc=f"Parsing dataset: {type}") }
def _load_paths_from_metadata(group_name, type="training", validate=False):
data_dir = group_name if cfg.dataset.use_hdf5 else cfg.data_dir / group_name
_fn = _get_hdf5_paths if cfg.dataset.use_hdf5 else _get_paths_of_extensions
def key( id, entry=None ):
return f"/{type}/{_get_hdf5_path(data_dir)}/{id}" if cfg.dataset.use_hdf5 else data_dir / id
metadata_path = cfg.metadata_dir / f'{group_name}.json'
metadata = {}
if cfg.dataset.use_metadata and metadata_path.exists():
metadata = json.loads(open( metadata_path, "r", encoding="utf-8" ).read())
if len(metadata) == 0:
return _fn( data_dir, type if cfg.dataset.use_hdf5 else _get_quant_extension(), validate )
def _validate( id, entry ):
phones = entry['phones'] if "phones" in entry else 0
duration = entry['duration'] if "duration" in entry else 0
if type not in _total_durations:
_total_durations[type] = 0
_total_durations[type] += duration
"""
if cfg.dataset.use_hdf5:
k = key( id )
if k not in cfg.hdf5 or "audio" not in cfg.hdf5[k] or "text" not in cfg.hdf5[k]:
return False
"""
return cfg.dataset.min_duration <= duration and duration <= cfg.dataset.max_duration #and cfg.dataset.min_phones <= phones and phones <= cfg.dataset.max_phones
return [ key(id, entry) for id, entry in metadata.items() if not validate or _validate(id, entry) ]
def _get_hdf5_path(path):
# to-do: better validation
#print(path)
return str(path)
def _get_hdf5_paths( data_dir, type="training", validate=False ):
data_dir = str(data_dir)
def _validate( id, entry ):
phones = entry.attrs['phonemes']
duration = entry.attrs['duration']
if type not in _total_durations:
_total_durations[type] = 0
_total_durations[type] += entry.attrs['duration']
return cfg.dataset.min_duration <= duration and duration <= cfg.dataset.max_duration #and cfg.dataset.min_phones <= phones and phones <= cfg.dataset.max_phones
key = f"/{type}/{_get_hdf5_path(data_dir)}"
return [ Path(f"{key}/{id}") for id, entry in cfg.hdf5[key].items() if not validate or _validate(id, entry) ] if key in cfg.hdf5 else []
def _get_paths_of_extensions( path, extensions=_get_quant_extension(), validate=False ):
if isinstance(path, str):
path = Path(path)
def _validate(path):
if "".join(path.suffixes) not in extensions:
return False
if not _get_phone_path(path).exists() or not _get_quant_path(path).exists():
return False
if not validate:
return True
# to-do: find an easy way to determine size from pickled quants without loading
# to-do: find a consistent way to derive phoneme count from filesize (probably can't due to utf-8)
phones = len(_get_phones(_get_phone_path(path))) # _get_phone_path(path).stat().st_size // 2 + 1
return cfg.dataset.min_phones <= phones and phones <= cfg.dataset.max_phones
return [ p for p in list(path.iterdir()) if _validate(p) ] if path.exists() and path.is_dir() else []
def _load_quants(path, return_metadata=False) -> Tensor:
qnt = np.load(_get_quant_path(path), allow_pickle=True)[()]
if return_metadata:
return torch.from_numpy(qnt["codes"].astype(int))[0][:, :].t().to(torch.int16), qnt["metadata"]
return torch.from_numpy(qnt["codes"].astype(int))[0][:, :].t().to(torch.int16)
# prune consecutive spaces
def _cleanup_phones( phones, targets=[" "]):
return [ p for i, p in enumerate(phones) if p not in targets or ( p in targets and p != phones[i-1] ) ]
@cache
def _get_phones(path):
phone_path = _get_phone_path(path)
quant_path = _get_quant_path(path)
if phone_path.exists():
metadata = json.loads(open(phone_path, "r", encoding="utf-8").read())
elif quant_path.exists():
_, metadata = _load_quants( path, return_metadata=True )
else:
raise Exception(f"Could not load phonemes: {path}")
content = metadata["phonemes"]
return "".join(content)
def _interleaved_reorder(l, fn):
groups = defaultdict(list)
for e in l:
groups[fn(e)].append(e)
groups = {k: groups[k] for k in sorted(groups)}
for interleaved in zip_longest(*groups.values()):
for value in interleaved:
if value is not None:
yield value
class Dataset(_Dataset):
def __init__(
self,
phone_symmap=None,
training=False,
extra_paths_by_spkr_name: dict[str, list] = {},
):
super().__init__()
self._head = None
self.sampler = None
self.paths = []
self.training = training
self.dataset_type = "training" if self.training else "validation"
self.dataset = cfg.dataset.training if self.training else cfg.dataset.validation
self.sampler_type = cfg.dataset.sample_type if self.dataset_type == "training" else "group"
# to-do: do not do validation if there's nothing in the validation
# this just makes it be happy
if len(self.dataset) == 0:
self.dataset = cfg.dataset.training
# dict of paths keyed by speaker names
self.paths_by_spkr_name = _load_paths(self.dataset, self.dataset_type)
# cull speakers if they do not have enough utterances
if cfg.dataset.min_utterances > 0:
keys = list(self.paths_by_spkr_name.keys())
for key in keys:
if len(self.paths_by_spkr_name[key]) < cfg.dataset.min_utterances:
del self.paths_by_spkr_name[key]
self.paths = list(itertools.chain.from_iterable(self.paths_by_spkr_name.values()))
# split dataset accordingly per GPU
if self.sampler_type == "path" and cfg.distributed and self.training:
batches = len(self.paths) // world_size()
start = batches * global_rank()
end = batches * (global_rank() + 1)
self.paths = self.paths[start:end]
# recreate paths_by_spkr_name
self.paths_by_spkr_name = {}
for path in self.paths:
name = cfg.get_spkr( Path(path) )
if name not in self.paths_by_spkr_name:
self.paths_by_spkr_name[name] = []
self.paths_by_spkr_name[name].append( path )
self.samplers = { name: Sampler( paths, keep_all=True ) for name, paths in self.paths_by_spkr_name.items() }
# dict of speakers keyed by speaker group
self.spkrs_by_spkr_group = {}
for data_dir in self.dataset:
spkr = cfg.get_spkr( data_dir / "dummy" )
spkr_group = cfg.get_spkr_group( data_dir / "dummy" )
if spkr not in self.paths_by_spkr_name or len(self.paths_by_spkr_name[spkr]) < cfg.dataset.min_utterances:
continue
if spkr_group not in self.spkrs_by_spkr_group:
self.spkrs_by_spkr_group[spkr_group] = []
self.spkrs_by_spkr_group[spkr_group].append( spkr )
self.spkr_groups = list(self.spkrs_by_spkr_group.keys())
self.spkr_samplers = { name: Sampler( [*set(speakers)], keep_all=True ) for name, speakers in self.spkrs_by_spkr_group.items() }
if self.sampler_type == "path":
self.paths = [*_interleaved_reorder(self.paths, self.get_speaker)]
self.noise_paths = _load_paths(cfg.dataset.noise, "noise")
self.noise_paths = list(itertools.chain.from_iterable(self.noise_paths.values()))
self.phone_symmap = phone_symmap or self._get_phone_symmap()
self.spkr_symmap = self._get_spkr_symmap()
self.spkr_group_symmap = self._get_spkr_group_symmap()
self.lang_symmap = self._get_lang_symmap()
self.tone_symmap = self._get_tone_symmap()
self.task_symmap = self._get_task_symmap()
# assert len(self.phone_symmap) < 256, "Unique token count should be [0,255] to fit within uint8"
self.text_dtype = torch.uint8 if len(self.phone_symmap) < 256 else torch.int16
if len(self.paths) == 0:
raise ValueError(f"No valid path is found for {self.dataset_type}")
#self.duration = _total_durations[self.dataset_type] if self.dataset_type in _total_durations else 0
self.duration = _calculate_durations(self.dataset_type)
"""
@cached_property
def phones(self):
return sorted(set().union(*[_get_phones(path) for path in self.paths]))
"""
def get_speaker(self, path):
if isinstance(path, str):
path = Path(path)
res = cfg.get_spkr(path)
return res
def get_speaker_group(self, path):
if isinstance(path, str):
path = Path(path)
res = cfg.get_spkr_group(path)
return res
def get_language(self, speaker_group):
lang = "en"
for k, v in cfg.dataset.speaker_languages.items():
if speaker_group in v:
lang = k
break
return lang
@cached_property
def spkrs(self):
return sorted({self.get_speaker(path) for path in self.paths})
@cached_property
def tasks(self):
return cfg.dataset.tasks_list # ["tts", "tts", "ns", "sr", "tse", "tts", "tts"] # , "cse", "nse"
def save_state_dict(self, path):
state_dict = {
"samplers": { name: sampler.current_pool for name, sampler in self.samplers.items() }
}
torch.save(state_dict, path)
def load_state_dict(self, path):
state_dict = torch.load(path)
if "samplers" in state_dict:
# better than naively setting the entire object
for name, sampler in state_dict["samplers"].items():
if name not in self.samplers:
continue
self.samplers[name].current_pool = sampler
def _get_phone_symmap(self):
return get_phone_symmap()
def _get_spkr_symmap(self):
return {s: i for i, s in enumerate(self.spkrs)}
def _get_spkr_group_symmap(self):
return {s: i for i, s in enumerate(self.spkr_groups)}
def _get_lang_symmap(self):
return get_lang_symmap()
def _get_tone_symmap(self):
return get_tone_symmap()
def _get_task_symmap(self):
return get_task_symmap()
"""
def get_task_token( self, token, levels=cfg.model.max_levels ):
if not hasattr(self, "task_symmap"):
self.task_symmap = self._get_task_symmap()
return torch.Tensor([[ self.task_symmap[f'<{token}>'] for _ in range(levels) ]]).to(dtype=torch.int16)
"""
def sample_noise(self):
path = random.choice(self.noise_paths)
if cfg.dataset.use_hdf5:
key = _get_hdf5_path(path)
qnt = torch.from_numpy(cfg.hdf5[key]["audio"][:, :]).to(torch.int16)
else:
qnt = _load_quants(path, return_metadata=False)
return qnt
def sample_speakers(self, ignore=[]):
choices = set(self.spkrs) - set(ignore)
return random.choice([*choices])
def sample_prompts(self, spkr_name, ignore):
prom_list = []
choices = set(self.paths_by_spkr_name[spkr_name]) - {ignore}
choices = [*choices]
# no other utterances, it'd make more sense to prune speakers with only one utterance in the validation step
if len(choices) == 0:
choices = [*set(self.paths_by_spkr_name[spkr_name])]
"""
raise ValueError(
f"Failed to find another different utterance for {spkr_name}."
)
"""
prom_length = 0
trim_length = int(random.uniform(cfg.dataset.prompt_duration_range[0], cfg.dataset.prompt_duration_range[1]) * cfg.dataset.frames_per_second)
for _ in range(cfg.dataset.max_prompts):
path = random.choice(choices)
if cfg.dataset.use_hdf5:
key = _get_hdf5_path(path)
if "audio" not in cfg.hdf5[key]:
_logger.warning(f'MISSING AUDIO: {key}')
continue
qnt = torch.from_numpy(cfg.hdf5[key]["audio"][:, :]).to(torch.int16)
else:
qnt = _load_quants(path, return_metadata=False)
if 0 < trim_length and trim_length < qnt.shape[0]:
qnt = trim( qnt, trim_length )
prom_list.append(qnt)
prom_length += qnt.shape[0]
if prom_length >= trim_length or random.random() > cfg.dataset.random_utterance:
break
# might be better to decode => concat waveforms with silence in between => reencode
# as you technically can't just append encodec sequences together like this without issues
prom = torch.cat(prom_list)
if 0 < trim_length and trim_length < prom.shape[0]:
prom = trim( prom, trim_length )
return prom
def __getitem__(self, index):
if self.sampler_type == "group":
spkr_group = self.spkr_groups[index]
#spkr_group_id = self.spkr_group_symmap[spkr_group]
spkr_name = self.spkr_samplers[spkr_group].sample()
spkr_id = self.spkr_symmap[spkr_name]
path = self.samplers[spkr_name].sample()
elif self.sampler_type == "speaker":
spkr_name = self.spkrs[index]
spkr_id = self.spkr_symmap[spkr_name]
path = self.samplers[spkr_name].sample()
spkr_group = self.get_speaker_group(path)
#spkr_group_id = self.spkr_group_symmap[spkr_group]
else:
path = self.paths[index]
spkr_name = self.get_speaker(path)
spkr_id = self.spkr_symmap[spkr_name]
spkr_group = self.get_speaker_group(path)
#spkr_group_id = self.spkr_group_symmap[spkr_group]
if cfg.dataset.use_hdf5:
key = _get_hdf5_path(path)
if key not in cfg.hdf5:
raise RuntimeError(f'Key of Path ({path}) not in HDF5: {key}')
text = cfg.hdf5[key]["text"][:]
resps = cfg.hdf5[key]["audio"][:, :]
text = torch.from_numpy(text).to(self.text_dtype)
resps = torch.from_numpy(resps).to(torch.int16)
else:
resps, metadata = _load_quants(path, return_metadata=True)
text = torch.tensor(tokenize( metadata["phonemes"] )).to(self.text_dtype)
#text = torch.tensor(tokenize( _get_phones( path ) )).to(self.text_dtype)
lang = torch.tensor([ self.lang_symmap[ self.get_language(spkr_group) ]]).to(torch.uint8)
# append additional prompts in an attempt to artifically increase lengths / offer new data
if cfg.experimental and cfg.dataset.max_resps > 1 and random.random() < cfg.dataset.p_resp_append:
choices = [*(set(self.paths_by_spkr_name[spkr_name]) - {path})]
if len(choices) > 0:
for _ in range( cfg.dataset.max_resps - 1 ):
sampled_path = random.choice(choices)
choices = [*(set(choices) - {sampled_path})]
if cfg.dataset.use_hdf5:
key = _get_hdf5_path(sampled_path)
txt = cfg.hdf5[key]["text"][:]
qnt = cfg.hdf5[key]["audio"][:, :]
txt = np.array( txt )
txt = torch.from_numpy(txt).to(self.text_dtype)
qnt = torch.from_numpy(qnt).to(torch.int16)
else:
#txt = torch.tensor([*map(self.phone_symmap.get, _get_phones(sampled_path))]).to(self.text_dtype)
#txt = torch.tensor(tokenize(_get_phones(sampled_path))).to(self.text_dtype)
qnt, metadata = _load_quants(sampled_path, return_metadata=True)
txt = torch.tensor(tokenize( metadata["phonemes"] )).to(self.text_dtype)
# <s>[original text] [new text]</s>
# removes the original text's </s>, includes a space, and remove the new text's <s>
text = torch.concat([ text[:-1], torch.tensor([self.phone_symmap[" "]]).to(torch.int16), txt[1:] ])
# might be better to decode => concat waveforms with silence in between => reencode
# as you technically can't just append encodec sequences together like this without issues
resps = torch.concat([ resps, qnt ])
task = "tts"
trim_length = int(random.uniform(cfg.dataset.prompt_duration_range[0], cfg.dataset.prompt_duration_range[1]) * cfg.dataset.frames_per_second)
proms = self.sample_prompts(spkr_name, ignore=path) if random.random() < cfg.dataset.random_utterance else resps
# Disabled until I swap over to a better method
"""
task = random.choice(self.tasks)
# ensure a speaker has at least four utterances
# default to tts if not
if len(set(self.paths_by_spkr_name[spkr_name]) - {path}) < 4:
task = "tts"
noise_scale = 0.25
if task == "tts" or task == "tts-c":
trim_length = int(cfg.dataset.prompt_duration * cfg.dataset.frames_per_second)
# demote if the target is too short
if task == "tts-c" and trim_length * 2 >= resps.shape[0]:
task = "tts"
# VALL-E continuous
# ignore if target utterance is shorter than prompt duration
# to-do: actually do this for the AR only as I don't think the paper trained the NAR for this
if task == "tts-c":
proms = resps[:trim_length, :]
resps = resps[trim_length:, :]
proms = torch.cat( [self.get_task_token(task), proms] )
else:
proms = self.sample_prompts(spkr_name, ignore=path) if random.random() < cfg.dataset.random_utterance else resps
# noise suppression || speech removal
elif task == "ns" or task == "sr":
# sample random noise
noise = self.sample_noise()
# extend the noise to fill the target audio
noise = repeat_extend_audio(noise, resps.shape[0])
# create the input prompt by merging the target audio with the noise
proms = merge_audio( resps, noise, scale=[1, noise_scale], device="cpu" )
# set the target to just be the noise if <sr>
if task == "sr":
resps = noise
# prepend the task token
proms = torch.cat( [self.get_task_token(task), proms] )
# set the text prompt to empty to train without a guided text prompt
if random.random() < 0.5:
text = torch.tensor([1, 2]).to(self.text_dtype)
# target speech extraction
elif task == "tse":
# sample a random, clean, utterance for the target speaker
clean_proms = self.sample_prompts(spkr_name, ignore=path)
# sample a random, clean utterance from a different speaker
other_proms = self.sample_prompts(self.sample_speakers(ignore=[spkr_name]), ignore="")
# overlay the random speaker over the target audio
smallest_size = min(resps.shape[0], other_proms.shape[0])
if other_proms.shape[0] == smallest_size:
noisy_proms = merge_audio( resps[:smallest_size, :], other_proms, scale=[1, random.uniform(0.5, 0.75)], device="cpu" )
noisy_proms = torch.cat( [ noisy_proms, resps[smallest_size:, :] ] )
else:
noisy_proms = merge_audio( resps, other_proms[:smallest_size, :], scale=[1, random.uniform(0.5, 0.75)], device="cpu" )
noisy_proms = torch.cat( [ noisy_proms, other_proms[smallest_size:, :] ] )
# stitch together the promps
proms = torch.cat( [clean_proms, self.get_task_token(task), noisy_proms] )
# set the text prompt to empty to train without a guided text prompt
if random.random() < 0.5:
text = torch.tensor([1, 2]).to(self.text_dtype) # <s></s>
# speech editing would require higher quality transcription data (phoneme level/word level) unfortunately
# as I need to get a good clean point to trim into
# clean speech editing
elif task == "cse" or task == "nse":
choices = set(self.paths_by_spkr_name[spkr_name]) - {path}
sampled = random.sample([*choices], 4)
if cfg.dataset.use_hdf5:
texts = [ torch.from_numpy(cfg.hdf5[_get_hdf5_path(path)]["text"][:]).to(self.text_dtype) for path in sampled ]
qnts = [ torch.from_numpy(cfg.hdf5[_get_hdf5_path(path)]["audio"][:, :]).to(torch.int16) for path in sampled ]
else:
texts = [ torch.tensor([*map(self.phone_symmap.get, _get_phones(path))]).to(self.text_dtype) for path in sampled ]
qnts = [ _load_quants(path) for path in sampled ]
# remove <s></s>
for i in range(len(texts)):
texts[i] = texts[i][1:-1]
pre_text, mid_text, post_text, edit_text = texts
pre_prom, mid_prom, post_prom, edit_prom = qnts
# randomly drop out pre
if random.random() < 0.125:
pre_text = None
pre_prom = None
# randomly drop out post
if random.random() < 0.125:
post_text = None
post_prom = None
# create new text
text = torch.cat(
[ torch.Tensor( [ 1 ] ).to(dtype=self.text_dtype) ] + # <s>
([ pre_text, torch.Tensor( [ 3 ] ).to(dtype=self.text_dtype) ] if pre_text is not None else []) + # pre_text + space'
[ edit_text ] + # 'edit text'
([ torch.Tensor( [ 3 ] ).to(dtype=self.text_dtype), post_text ] if post_text is not None else []) + # 'space' + edit_text
[ torch.Tensor( [ 2 ] ).to(dtype=self.text_dtype) ] # </s>
)
if task == "nse":
# sample random noise
noise = self.sample_noise()
# it might be better to extend the noise to the sum of the pre+mid+post or pre+edit+post to keep the noise truly coherent
# but it's noise, it's supposed to be random
def noise_proms( p ):
# ignore if we turned it off
if p is None:
return None
# extend the noise to fill the target audio
n = repeat_extend_audio(noise, p.shape[0])
# merge the noise over the utterance
return merge_audio(p, n, scale=[1, noise_scale], device="cpu")
# apply noise to all pieces
pre_prom = noise_proms( pre_prom )
mid_prom = noise_proms( mid_prom )
post_prom = noise_proms( post_prom )
edit_prom = noise_proms( edit_prom )
else:
mid_prom = self.get_task_token("mask")
# create new proms
proms = torch.cat(
([ pre_prom ] if pre_prom is not None else []) +
[self.get_task_token("soe")] +
[ mid_prom ] + # is <mask> if task is CSE
[self.get_task_token("eoe")] +
([ post_prom ] if post_prom is not None else [])
)
# create new resp
resps = torch.cat(
([ pre_prom ] if pre_prom is not None else []) +
[ edit_prom ] +
([ post_prom ] if post_prom is not None else [])
)
else:
raise Exception(f'Undefined task: {task}')
"""
"""
# emulate SVC
# takes in an utterance of the target speaker, a target utterenace as a reference clip as the input prompt
# targets an utterance of the target speaker with the same tempo + pitch + etc as the reference clip
# NOTE: I do not have a clue how to go about this. I *could* dynamically generate clips through RVC here, but I imagine the penalty would be astronomical
# ahead-of-time dataset preparation of a shit ton of RVC clips might be the key.
# aside from that, I have no clue how to go about training this, as this is entirely a proof of concept task.
elif task == "svc":
# sample a random, clean utterance for the target speaker
proms = self.sample_prompts(spkr_name, ignore=path) if random.random() < cfg.dataset.random_utterance else resps
# sample a reference clip from a different speaker
ref_proms = self.sample_rvc(self.sample_speakers(ignore=[spkr_name]))
#
resps =
# stitch together the promps
proms = torch.cat( [proms, self.get_task_token(task), ref_proms] )
# set the text prompt to empty to train without a guided text prompt
if random.random() < 0.5:
text = torch.tensor([1, 2]).to(self.text_dtype)
"""
# trim to fit to requested prom/resps levels
proms = proms[:, :cfg.model.prom_levels]
resps = resps[:, :cfg.model.prom_levels]
return dict(
index=index,
path=Path(path),
spkr_name=spkr_name,
spkr_id=spkr_id,
task=task,
lang=lang,
text=text,
proms=proms,
resps=resps,
)
def head_(self, n):
self._head = n
def training_(self, value):
self.training = value
def __len__(self):
if self.sampler_type == "group":
return min(len(self.spkr_groups), self._head or len(self.spkr_groups))
if self.sampler_type == "speaker":
return min(len(self.spkrs), self._head or len(self.spkrs))
return min(len(self.paths), self._head or len(self.paths))
def pin_memory(self):
self.text = self.text.pin_memory()
self.proms = self.proms.pin_memory()
self.resps = self.resps.pin_memory()
self.resp = self.resp.pin_memory()
return self
def collate_fn(samples: list[dict]):
batch: dict[str, Any] = {k: [s[k] for s in samples] for k in samples[0]}
return batch
def _seed_worker(worker_id):
worker_seed = torch.initial_seed() % 2**32
np.random.seed(worker_seed)
random.seed(worker_seed)
def _create_dataloader(dataset, training):
sampler = None
shuffle = True
"""
if cfg.distributed and training:
sampler = DistributedSampler(dataset)
shuffle = False
"""
return DataLoader(
dataset=dataset,
batch_size=cfg.hyperparameters.batch_size if training else cfg.evaluation.batch_size,
shuffle=shuffle,
drop_last=training,
num_workers=cfg.dataset.workers,
collate_fn=collate_fn,
persistent_workers=cfg.dataset.workers > 1,
pin_memory=False, # True,
worker_init_fn=_seed_worker,
sampler=sampler,
)
def create_datasets():
train_dataset = Dataset( training=True )
val_dataset = Dataset( phone_symmap=train_dataset.phone_symmap, training=False )
train_state_path = cfg.relpath / f"sampler.rank{global_rank()}.pt"
if train_state_path.exists():
train_dataset.load_state_dict( train_state_path )
return train_dataset, val_dataset
def create_train_val_dataloader():
train_dataset, val_dataset = create_datasets()
subtrain_dataset = copy.deepcopy(train_dataset)
if subtrain_dataset.sampler_type == "path":
subtrain_dataset.head_(cfg.evaluation.size)
train_dl = _create_dataloader(train_dataset, training=True)
val_dl = _create_dataloader(val_dataset, training=False)
subtrain_dl = _create_dataloader(subtrain_dataset, training=False)
_logger.info(str(train_dataset.phone_symmap))
_logger.info(str(train_dataset.spkr_symmap))
_logger.info(str(train_dataset.spkr_group_symmap))
_logger.info(f"#samples (train): {len(train_dataset)}.")
_logger.info(f"#samples (val): {len(val_dataset)}.")
_logger.info(f"#samples (subtrain): {len(subtrain_dataset)}.")
_logger.info(f"#duration (train): {str(train_dataset.duration)}.")
_logger.info(f"#duration (val): {str(val_dataset.duration)}.")
_logger.info(f"#duration (subtrain): {str(subtrain_dataset.duration)}.")
assert isinstance(subtrain_dl.dataset, Dataset)
return train_dl, subtrain_dl, val_dl
# parse dataset into better to sample metadata
def create_dataset_metadata( skip_existing=True ):
symmap = get_phone_symmap()
root = str(cfg.data_dir)
metadata_root = str(cfg.metadata_dir)
cfg.metadata_dir.mkdir(parents=True, exist_ok=True)
def add( dir, type="training", audios=True, texts=True ):
name = str(dir)
name = name.replace(root, "")
speaker_name = name
metadata_path = Path(f"{metadata_root}/{speaker_name}.json")
metadata_path.parents[0].mkdir(parents=True, exist_ok=True)
try:
metadata = {} if not metadata_path.exists() else json.loads(open(str(metadata_path), "r", encoding="utf-8").read())
except Exception as e:
metadata = {}
if not os.path.isdir(f'{root}/{name}/'):
return
# tqdm.write(f'{root}/{name}')
files = os.listdir(f'{root}/{name}/')
# grab IDs for every file
ids = { file.replace(_get_quant_extension(), "").replace(_get_phone_extension(), "") for file in files }
for id in tqdm(ids, desc=f"Processing {name}"):
try:
quant_exists = os.path.exists(f'{root}/{name}/{id}{_get_quant_extension()}') if audios else True
text_exists = os.path.exists(f'{root}/{name}/{id}{_get_phone_extension()}') if texts else True
if not quant_exists:
continue
key = f'{type}/{speaker_name}/{id}'
if skip_existing and id in metadata:
continue
if id not in metadata:
metadata[id] = {}
utterance_metadata = {}
if audios:
# ideally we'll encode Encodec-based audio in a similar manner because np has smaller files than pt
dac = np.load(f'{root}/{name}/{id}{_get_quant_extension()}', allow_pickle=True)[()]
qnt = torch.from_numpy(dac["codes"].astype(int))[0].t().to(dtype=torch.int16)
if "text" in dac["metadata"]:
utterance_metadata["text"] = dac["metadata"]["text"]
if "phonemes" in dac["metadata"]:
utterance_metadata["phonemes"] = dac["metadata"]["phonemes"]
if "language" in dac["metadata"]:
utterance_metadata["language"] = dac["metadata"]["language"]
if "original_length" in dac["metadata"] and "sample_rate" in dac["metadata"]:
utterance_metadata["duration"] = dac["metadata"]["original_length"] / dac["metadata"]["sample_rate"]
# text
if texts and text_exists and not utterance_metadata:
utterance_metadata = json.loads(open(f'{root}/{name}/{id}{_get_phone_extension()}', "r", encoding="utf-8").read())
for k, v in utterance_metadata.items():
metadata[id][k] = v
except Exception as e:
tqdm.write(f'Error while processing {id}: {e}')
with open(str(metadata_path), "w", encoding="utf-8") as f:
f.write( json.dumps( metadata ) )
# training
for data_dir in tqdm(sorted(cfg.dataset.training), desc="Processing Training"):
add( data_dir, type="training" )
# validation
for data_dir in tqdm(sorted(cfg.dataset.validation), desc='Processing Validation'):
add( data_dir, type="validation" )
# noise
for data_dir in tqdm(sorted(cfg.dataset.noise), desc='Processing Noise'):
add( data_dir, type="noise", texts=False )
# parse yaml to create an hdf5 file
def create_dataset_hdf5( skip_existing=True ):
cfg.dataset.use_hdf5 = True
cfg.load_hdf5(write=True)
hf = cfg.hdf5
symmap = get_phone_symmap()
root = str(cfg.data_dir)
metadata_root = str(cfg.metadata_dir)
def add( dir, type="training", audios=True, texts=True ):
name = str(dir)
name = name.replace(root, "")
# yucky
speaker_name = name
if "LibriTTS-R" in speaker_name:
speaker_name = speaker_name.replace("LibriTTS-R", "LibriVox")
metadata_path = Path(f"{metadata_root}/{speaker_name}.json")
metadata_path.parents[0].mkdir(parents=True, exist_ok=True)
metadata = {} if not metadata_path.exists() else json.loads(open(str(metadata_path), "r", encoding="utf-8").read())
if not os.path.isdir(f'{root}/{name}/'):
return
files = os.listdir(f'{root}/{name}/')
# grab IDs for every file
ids = { file.replace(_get_quant_extension(), "").replace(_get_phone_extension(), "") for file in files }
"""
# rephonemizes if you fuck up and use and old tokenizer...
for id, entry in tqdm(metadata.items(), desc=f"Processing {name}"):
key = f'{type}/{speaker_name}/{id}'
if key not in hf:
continue
group = hf[key]
if "phonemes" not in entry:
continue
if "text" not in group:
continue
txt = entry["phonemes"]
phn = "".join(txt)
phn = cfg.tokenizer.encode(phn)
phn = np.array(phn).astype(np.uint8)
del group["text"]
group.create_dataset('text', data=phn, compression='lzf')
"""
for id in tqdm(ids, desc=f"Processing {name}"):
try:
quant_exists = os.path.exists(f'{root}/{name}/{id}{_get_quant_extension()}') if audios else True
text_exists = os.path.exists(f'{root}/{name}/{id}{_get_phone_extension()}') if texts else True
if not quant_exists:
continue
key = f'{type}/{speaker_name}/{id}'
if skip_existing and key in hf:
continue
group = hf.create_group(key) if key not in hf else hf[key]
if id not in metadata:
metadata[id] = {}
utterance_metadata = {}
# audio
if audios:
dac = np.load(f'{root}/{name}/{id}{_get_quant_extension()}', allow_pickle=True)[()]
qnt = torch.from_numpy(dac["codes"].astype(int))[0].t().to(dtype=torch.int16)
if "text" in dac["metadata"]:
utterance_metadata["text"] = dac["metadata"]["text"]
if "phonemes" in dac["metadata"]:
utterance_metadata["phonemes"] = dac["metadata"]["phonemes"]
if "language" in dac["metadata"]:
utterance_metadata["language"] = dac["metadata"]["language"]
if "original_length" in dac["metadata"] and "sample_rate" in dac["metadata"]:
utterance_metadata["duration"] = dac["metadata"]["original_length"] / dac["metadata"]["sample_rate"]
if "audio" not in group:
group.create_dataset('audio', data=qnt.numpy().astype(np.int16), compression='lzf')
# text
if texts:
if not utterance_metadata and text_exists:
utterance_metadata = json.loads(open(f'{root}/{name}/{id}{_get_phone_extension()}', "r", encoding="utf-8").read())
phn = "".join(utterance_metadata["phonemes"])
phn = cfg.tokenizer.encode(phn)
phn = np.array(phn).astype(np.uint8)
if "text" not in group:
group.create_dataset('text', data=phn, compression='lzf')
for k, v in utterance_metadata.items():
group.attrs[k] = v
metadata[id][k] = v
except Exception as e:
tqdm.write(f'Error while processing {id}: {e}')
"""
with open(str(metadata_path), "w", encoding="utf-8") as f:
f.write( json.dumps( metadata ) )
"""
# training
for data_dir in tqdm(cfg.dataset.training, desc="Processing Training"):
add( data_dir, type="training" )
# validation
for data_dir in tqdm(cfg.dataset.validation, desc='Processing Validation'):
add( data_dir, type="validation" )
# noise
for data_dir in tqdm(cfg.dataset.noise, desc='Processing Noise'):
add( data_dir, type="noise", texts=False )
# write symmap
if "symmap" in hf:
del hf['symmap']
hf.create_dataset('symmap', data=json.dumps(symmap))
hf.close()
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser("Save trained model to path.")
parser.add_argument("--action", type=str)
parser.add_argument("--tasks", type=str)
args = parser.parse_args()
task = args.action
cfg.dataset.workers = 1
class LoggerOveride:
def info(self, *args):
print(*args)
_logger = LoggerOveride()
if args.action == "hdf5":
create_dataset_hdf5()
elif args.action == "list-dataset":
dataset = []
for group in os.listdir(cfg.data_dir):
for name in os.listdir(cfg.data_dir / group):
if len(os.listdir(cfg.data_dir / group / name)) == 0:
continue
dataset.append(f'{group}/{name}')
print(json.dumps(dataset))
elif args.action == "metadata":
create_dataset_metadata()
elif args.action == "sample":
train_dl, subtrain_dl, val_dl = create_train_val_dataloader()
samples = {
"training": [ next(iter(train_dl)), next(iter(train_dl)) ],
"evaluation": [ next(iter(subtrain_dl)), next(iter(subtrain_dl)) ],
"validation": [ next(iter(val_dl)), next(iter(val_dl)) ],
}
Path("./data/sample-test/").mkdir(parents=True, exist_ok=True)
for k, v in samples.items():
for i in range(len(v)):
for j in tqdm(range(len(v[i]['proms'])), desc="Decoding..."):
"""
try:
decode_to_file( v[i]['proms'][j], f"./data/sample-test/{k}.{i}.{j}.proms.wav", device="cpu" )
except Exception as e:
print(f"Error while decoding prom {k}.{i}.{j}.wav:", str(e))
try:
decode_to_file( v[i]['resps'][j], f"./data/sample-test/{k}.{i}.{j}.resps.wav", device="cpu" )
except Exception as e:
print(f"Error while decoding resp {k}.{i}.{j}.wav:", str(e))
"""
v[i]['proms'][j] = v[i]['proms'][j].shape
v[i]['resps'][j] = v[i]['resps'][j].shape
for k, v in samples.items():
for i in range(len(v)):
print(f'{k}[{i}]:', v[i])
#train_dl.dataset.save_state_dict(cfg.relpath / "train_dataset.pt")
elif args.action == "tasks":
index = 0
cfg.dataset.tasks_list = args.tasks.split(",")
train_dl, subtrain_dl, val_dl = create_train_val_dataloader()
batch = next(iter(train_dl))
for text, resps, proms, task in zip(batch["text"], batch["resps"], batch["proms"], batch["task"]):
if task not in cfg.dataset.tasks_list:
continue
print(text, task, cfg.model.prom_levels)
print( proms.shape, resps.shape )
tokens = 0
tokens += sum([ text.shape[0] for text in batch["text"] ])
tokens += sum([ resps.shape[0] for resps in batch["resps"] ])
print( tokens )
decode_to_file( proms, f"./data/{task}.proms.wav", device="cpu" )
decode_to_file( resps, f"./data/{task}.resps.wav", device="cpu" )
break