Source code for espnet2.bin.svs_inference

#!/usr/bin/env python3

"""Script to run the inference of singing-voice-synthesis model."""

import argparse
import logging
import shutil
import sys
import time
from pathlib import Path
from typing import Any, Dict, Optional, Sequence, Tuple, Union

import numpy as np
import soundfile as sf
import torch
from packaging.version import parse as V
from typeguard import typechecked

from espnet2.fileio.npy_scp import NpyScpWriter
from espnet2.gan_svs.vits import VITS
from espnet2.svs.singing_tacotron.singing_tacotron import singing_tacotron
from espnet2.tasks.gan_svs import GANSVSTask
from espnet2.tasks.svs import SVSTask
from espnet2.torch_utils.device_funcs import to_device
from espnet2.torch_utils.set_all_random_seed import set_all_random_seed
from espnet2.tts.utils import DurationCalculator
from espnet2.utils import config_argparse
from espnet2.utils.types import str2bool, str2triple_str, str_or_none
from espnet.utils.cli_utils import get_commandline_args


[docs]class SingingGenerate: """SingingGenerate class Examples: >>> import soundfile >>> svs = SingingGenerate("config.yml", "model.pth") >>> wav = svs("Hello World")[0] >>> soundfile.write("out.wav", wav.numpy(), svs.fs, "PCM_16") """ @typechecked def __init__( self, train_config: Union[Path, str, None], model_file: Union[Path, str, None] = None, threshold: float = 0.5, minlenratio: float = 0.0, maxlenratio: float = 10.0, use_teacher_forcing: bool = False, use_att_constraint: bool = False, use_dynamic_filter: bool = False, backward_window: int = 2, forward_window: int = 4, speed_control_alpha: float = 1.0, noise_scale: float = 0.667, noise_scale_dur: float = 0.8, vocoder_config: Union[Path, str, None] = None, vocoder_checkpoint: Union[Path, str, None] = None, dtype: str = "float32", device: str = "cpu", seed: int = 777, always_fix_seed: bool = False, prefer_normalized_feats: bool = False, svs_task: str = "svs", ): """Initialize SingingGenerate module.""" # setup model if svs_task == "svs": SVSTaskClass = SVSTask elif svs_task == "gan_svs": SVSTaskClass = GANSVSTask else: raise ValueError(f"Unsupported task: {svs_task}") model, train_args = SVSTaskClass.build_model_from_file( train_config, model_file, device ) model.to(dtype=getattr(torch, dtype)).eval() self.device = device self.dtype = dtype self.train_args = train_args self.model = model self.svs = model.svs self.normalize = model.normalize self.feats_extract = model.feats_extract self.duration_calculator = DurationCalculator() self.preprocess_fn = SVSTaskClass.build_preprocess_fn(train_args, False) self.use_teacher_forcing = use_teacher_forcing self.seed = seed self.always_fix_seed = always_fix_seed self.vocoder = None self.prefer_normalized_feats = prefer_normalized_feats if vocoder_checkpoint is not None: vocoder = SVSTaskClass.build_vocoder_from_file( vocoder_config, vocoder_checkpoint, model, device ) if isinstance(vocoder, torch.nn.Module): vocoder.to(dtype=getattr(torch, dtype)).eval() self.vocoder = vocoder logging.info(f"Extractor:\n{self.feats_extract}") logging.info(f"Normalizer:\n{self.normalize}") logging.info(f"SVS:\n{self.svs}") if self.vocoder is not None: logging.info(f"Vocoder:\n{self.vocoder}") # setup decoding config decode_conf = {} decode_conf.update({"use_teacher_forcing": use_teacher_forcing}) if isinstance(self.svs, VITS): decode_conf.update( noise_scale=noise_scale, noise_scale_dur=noise_scale_dur, ) if isinstance(self.svs, singing_tacotron): decode_conf.update( threshold=threshold, maxlenratio=maxlenratio, minlenratio=minlenratio, use_att_constraint=use_att_constraint, use_dynamic_filter=use_dynamic_filter, forward_window=forward_window, backward_window=backward_window, ) self.decode_conf = decode_conf @torch.no_grad() @typechecked def __call__( self, text: Union[Dict[str, Tuple], torch.Tensor, np.ndarray], singing: Union[torch.Tensor, np.ndarray, None] = None, label: Union[torch.Tensor, np.ndarray, None] = None, midi: Union[torch.Tensor, np.ndarray, None] = None, duration_phn: Union[torch.Tensor, np.ndarray, None] = None, duration_ruled_phn: Union[torch.Tensor, np.ndarray, None] = None, duration_syb: Union[torch.Tensor, np.ndarray, None] = None, phn_cnt: Union[torch.Tensor, np.ndarray, None] = None, slur: Union[torch.Tensor, np.ndarray, None] = None, pitch: Union[torch.Tensor, np.ndarray, None] = None, energy: Union[torch.Tensor, np.ndarray, None] = None, spembs: Union[torch.Tensor, np.ndarray, None] = None, sids: Union[torch.Tensor, np.ndarray, None] = None, lids: Union[torch.Tensor, np.ndarray, None] = None, decode_conf: Optional[Dict[str, Any]] = None, ): # check inputs if self.use_sids and sids is None: raise RuntimeError("Missing required argument: 'sids'") if self.use_lids and lids is None: raise RuntimeError("Missing required argument: 'lids'") if self.use_spembs and spembs is None: raise RuntimeError("Missing required argument: 'spembs'") # prepare batch if isinstance(text, Dict): data = self.preprocess_fn( "<dummy>", dict(label=text["label"], score=text["score"]) ) label = data["label"] midi = data["midi"] duration_phn = data["duration_phn"] duration_ruled_phn = data["duration_ruled_phn"] duration_syb = data["duration_syb"] phn_cnt = data["phn_cnt"] slur = data["slur"] batch = dict(text=data["label"]) else: batch = dict(text=text) if singing is not None: batch.update(singing=singing) if label is not None: batch.update(label=label) if midi is not None: batch.update(midi=midi) if duration_phn is not None: batch.update(duration_phn=duration_phn) if duration_ruled_phn is not None: batch.update(duration_ruled_phn=duration_ruled_phn) if duration_syb is not None: batch.update(duration_syb=duration_syb) if pitch is not None: batch.update(pitch=pitch) if phn_cnt is not None: batch.update(phn_cnt=phn_cnt) if slur is not None: batch.update(slur=slur) if energy is not None: batch.update(energy=energy) if spembs is not None: batch.update(spembs=spembs) if sids is not None: batch.update(sids=sids) if lids is not None: batch.update(lids=lids) batch = to_device(batch, self.device) cfg = self.decode_conf if decode_conf is not None: cfg = self.decode_conf.copy() cfg.update(decode_conf) output_dict = self.model.inference(**batch, **cfg) if output_dict.get("att_w") is not None: duration, focus_rate = self.duration_calculator(output_dict["att_w"]) output_dict.update(duration=duration, focus_rate=focus_rate) else: output_dict.update(duration=None, focus_rate=None) # apply vocoder (mel-to-wav) if self.vocoder is not None: if ( self.prefer_normalized_feats or output_dict.get("feat_gen_denorm") is None ): input_feat = output_dict["feat_gen"] else: input_feat = output_dict["feat_gen_denorm"] wav = self.vocoder(input_feat) output_dict.update(wav=wav) return output_dict @property def fs(self) -> Optional[int]: """Return sampling rate.""" if hasattr(self.vocoder, "fs"): return self.vocoder.fs elif hasattr(self.svs, "fs"): return self.svs.fs else: return None @property def use_speech(self) -> bool: """Return speech is needed or not in the inference.""" return self.use_teacher_forcing or getattr(self.svs, "use_gst", False) @property def use_sids(self) -> bool: """Return sid is needed or not in the inference.""" return self.svs.spks is not None @property def use_lids(self) -> bool: """Return sid is needed or not in the inference.""" return self.svs.langs is not None @property def use_spembs(self) -> bool: """Return spemb is needed or not in the inference.""" return self.svs.spk_embed_dim is not None
[docs] @staticmethod def from_pretrained( model_tag: Optional[str] = None, vocoder_tag: Optional[str] = None, **kwargs: Optional[Any], ): """Build SingingGenerate instance from the pretrained model. Args: model_tag (Optional[str]): Model tag of the pretrained models. Currently, the tags of espnet_model_zoo are supported. vocoder_tag (Optional[str]): Vocoder tag of the pretrained vocoders. Currently, the tags of parallel_wavegan are supported, which should start with the prefix "parallel_wavegan/". Returns: SingingGenerate: SingingGenerate instance. """ if model_tag is not None: try: from espnet_model_zoo.downloader import ModelDownloader except ImportError: logging.error( "`espnet_model_zoo` is not installed. " "Please install via `pip install -U espnet_model_zoo`." ) raise d = ModelDownloader() kwargs.update(**d.download_and_unpack(model_tag)) if vocoder_tag is not None: if vocoder_tag.startswith("parallel_wavegan/"): try: from parallel_wavegan.utils import download_pretrained_model except ImportError: logging.error( "`parallel_wavegan` is not installed. " "Please install via `pip install -U parallel_wavegan`." ) raise from parallel_wavegan import __version__ # NOTE(kan-bayashi): Filelock download is supported from 0.5.2 assert V(__version__) > V("0.5.1"), ( "Please install the latest parallel_wavegan " "via `pip install -U parallel_wavegan`." ) vocoder_tag = vocoder_tag.replace("parallel_wavegan/", "") vocoder_file = download_pretrained_model(vocoder_tag) vocoder_config = Path(vocoder_file).parent / "config.yml" kwargs.update(vocoder_config=vocoder_config, vocoder_file=vocoder_file) else: raise ValueError(f"{vocoder_tag} is unsupported format.") return SingingGenerate(**kwargs)
[docs]@typechecked def inference( output_dir: Union[Path, str], batch_size: int, dtype: str, ngpu: int, seed: int, num_workers: int, log_level: Union[int, str], data_path_and_name_and_type: Sequence[Tuple[str, str, str]], key_file: Optional[str], train_config: Optional[str], model_file: Optional[str], use_teacher_forcing: bool, noise_scale: float, noise_scale_dur: float, allow_variable_data_keys: bool, vocoder_config: Optional[str] = None, vocoder_checkpoint: Optional[str] = None, vocoder_tag: Optional[str] = None, svs_task: Optional[str] = "svs", ): """Perform SVS model decoding.""" if batch_size > 1: raise NotImplementedError("batch decoding is not implemented") if ngpu > 1: raise NotImplementedError("only single GPU decoding is supported") logging.basicConfig( level=log_level, format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s", ) if ngpu >= 1: device = "cuda" else: device = "cpu" # 1. Set random-seed set_all_random_seed(seed) # 2. Build model singingGenerate = SingingGenerate( train_config=train_config, model_file=model_file, use_teacher_forcing=use_teacher_forcing, noise_scale=noise_scale, noise_scale_dur=noise_scale_dur, vocoder_config=vocoder_config, vocoder_checkpoint=vocoder_checkpoint, dtype=dtype, device=device, svs_task=svs_task, ) # 3. Build data-iterator loader = SVSTask.build_streaming_iterator( data_path_and_name_and_type, dtype=dtype, batch_size=batch_size, key_file=key_file, num_workers=num_workers, preprocess_fn=SVSTask.build_preprocess_fn(singingGenerate.train_args, False), collate_fn=SVSTask.build_collate_fn(singingGenerate.train_args, False), allow_variable_data_keys=allow_variable_data_keys, inference=True, ) # 4. Start for-loop output_dir = Path(output_dir) (output_dir / "norm").mkdir(parents=True, exist_ok=True) (output_dir / "denorm").mkdir(parents=True, exist_ok=True) (output_dir / "speech_shape").mkdir(parents=True, exist_ok=True) (output_dir / "wav").mkdir(parents=True, exist_ok=True) (output_dir / "att_ws").mkdir(parents=True, exist_ok=True) (output_dir / "probs").mkdir(parents=True, exist_ok=True) (output_dir / "durations").mkdir(parents=True, exist_ok=True) (output_dir / "focus_rates").mkdir(parents=True, exist_ok=True) # Lazy load to avoid the backend error import matplotlib matplotlib.use("Agg") import matplotlib.pyplot as plt from matplotlib.ticker import MaxNLocator with NpyScpWriter( output_dir / "norm", output_dir / "norm/feats.scp", ) as norm_writer, NpyScpWriter( output_dir / "denorm", output_dir / "denorm/feats.scp" ) as denorm_writer, open( output_dir / "speech_shape/speech_shape", "w" ) as shape_writer, open( output_dir / "durations/durations", "w" ) as duration_writer, open( output_dir / "focus_rates/focus_rates", "w" ) as focus_rate_writer: for idx, (keys, batch) in enumerate(loader, 1): assert isinstance(batch, dict), type(batch) assert all(isinstance(s, str) for s in keys), keys _bs = len(next(iter(batch.values()))) assert _bs == 1, _bs # Change to single sequence and remove *_length # because inference() requires 1-seq, not mini-batch. batch = {k: v[0] for k, v in batch.items() if not k.endswith("_lengths")} logging.info(f"batch: {batch}") logging.info(f"keys: {keys}") start_time = time.perf_counter() output_dict = singingGenerate(**batch) key = keys[0] insize = next(iter(batch.values())).size(0) + 1 if output_dict.get("feat_gen") is not None: # standard text2mel model case feat_gen = output_dict["feat_gen"] logging.info( "inference speed = {:.1f} frames / sec.".format( int(feat_gen.size(0)) / (time.perf_counter() - start_time) ) ) logging.info(f"{key} (size:{insize}->{feat_gen.size(0)})") norm_writer[key] = output_dict["feat_gen"].cpu().numpy() shape_writer.write( f"{key} " + ",".join(map(str, output_dict["feat_gen"].shape)) + "\n" ) if output_dict.get("feat_gen_denorm") is not None: denorm_writer[key] = output_dict["feat_gen_denorm"].cpu().numpy() else: # end-to-end text2wav model case wav = output_dict["wav"] logging.info( "inference speed = {:.1f} points / sec.".format( int(wav.size(0)) / (time.perf_counter() - start_time) ) ) logging.info(f"{key} (size:{insize}->{wav.size(0)})") if output_dict.get("duration") is not None: # Save duration and fucus rates duration_writer.write( f"{key} " + " ".join(map(str, output_dict["duration"].long().cpu().numpy())) + "\n" ) if output_dict.get("focus_rate") is not None: focus_rate_writer.write( f"{key} {float(output_dict['focus_rate']):.5f}\n" ) if output_dict.get("att_w") is not None: # Plot attention weight att_w = output_dict["att_w"].cpu().numpy() if att_w.ndim == 2: att_w = att_w[None][None] elif att_w.ndim != 4: raise RuntimeError(f"Must be 2 or 4 dimension: {att_w.ndim}") w, h = plt.figaspect(att_w.shape[0] / att_w.shape[1]) fig = plt.Figure( figsize=( w * 1.3 * min(att_w.shape[0], 2.5), h * 1.3 * min(att_w.shape[1], 2.5), ) ) fig.suptitle(f"{key}") axes = fig.subplots(att_w.shape[0], att_w.shape[1]) if len(att_w) == 1: axes = [[axes]] for ax, att_w in zip(axes, att_w): for ax_, att_w_ in zip(ax, att_w): ax_.imshow(att_w_.astype(np.float32), aspect="auto") ax_.set_xlabel("Input") ax_.set_ylabel("Output") ax_.xaxis.set_major_locator(MaxNLocator(integer=True)) ax_.yaxis.set_major_locator(MaxNLocator(integer=True)) fig.set_tight_layout({"rect": [0, 0.03, 1, 0.95]}) fig.savefig(output_dir / f"att_ws/{key}.png") fig.clf() if output_dict.get("prob") is not None: # Plot stop token prediction prob = output_dict["prob"].cpu().numpy() fig = plt.Figure() ax = fig.add_subplot(1, 1, 1) ax.plot(prob) ax.set_title(f"{key}") ax.set_xlabel("Output") ax.set_ylabel("Stop probability") ax.set_ylim(0, 1) ax.grid(which="both") fig.set_tight_layout(True) fig.savefig(output_dir / f"probs/{key}.png") fig.clf() # TODO(kamo): Write scp if output_dict.get("wav") is not None: sf.write( f"{output_dir}/wav/{key}.wav", output_dict["wav"].cpu().numpy(), singingGenerate.fs, "PCM_16", ) # remove files if those are not included in output dict if output_dict.get("feat_gen") is None: shutil.rmtree(output_dir / "norm") if output_dict.get("feat_gen_denorm") is None: shutil.rmtree(output_dir / "denorm") if output_dict.get("att_w") is None: shutil.rmtree(output_dir / "att_ws") if output_dict.get("duration") is None: shutil.rmtree(output_dir / "durations") if output_dict.get("focus_rate") is None: shutil.rmtree(output_dir / "focus_rates") if output_dict.get("prob") is None: shutil.rmtree(output_dir / "probs") if output_dict.get("wav") is None: shutil.rmtree(output_dir / "wav")
[docs]def get_parser(): """Get argument parser.""" parser = config_argparse.ArgumentParser( description="SVS Decode", formatter_class=argparse.ArgumentDefaultsHelpFormatter, ) # Note(kamo): Use "_" instead of "-" as separator. # "-" is confusing if written in yaml. parser.add_argument( "--log_level", type=lambda x: x.upper(), default="INFO", choices=("CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"), help="The verbose level of logging", ) parser.add_argument( "--output_dir", type=str, required=True, help="The path of output directory", ) parser.add_argument( "--ngpu", type=int, default=0, help="The number of gpus. 0 indicates CPU mode", ) parser.add_argument( "--seed", type=int, default=0, help="Random seed", ) parser.add_argument( "--dtype", default="float32", choices=["float16", "float32", "float64"], help="Data type", ) parser.add_argument( "--num_workers", type=int, default=1, help="The number of workers used for DataLoader", ) parser.add_argument( "--batch_size", type=int, default=1, help="The batch size for inference", ) group = parser.add_argument_group("Input data related") group.add_argument( "--data_path_and_name_and_type", type=str2triple_str, required=True, action="append", ) group.add_argument( "--key_file", type=str_or_none, ) group.add_argument( "--allow_variable_data_keys", type=str2bool, default=False, ) group = parser.add_argument_group("The model configuration related") group.add_argument( "--train_config", type=str, help="Training configuration file.", ) group.add_argument( "--model_file", type=str, help="Model parameter file.", ) group = parser.add_argument_group("Decoding related") group.add_argument( "--use_teacher_forcing", type=str2bool, default=False, help="Whether to use teacher forcing", ) parser.add_argument( "--noise_scale", type=float, default=0.667, help="Noise scale parameter for the flow in vits", ) parser.add_argument( "--noise_scale_dur", type=float, default=0.8, help="Noise scale parameter for the stochastic duration predictor in vits", ) group = parser.add_argument_group("Vocoder related") group.add_argument( "--vocoder_checkpoint", default="None", type=str_or_none, help="checkpoint file to be loaded.", ) group.add_argument( "--vocoder_config", default=None, type=str_or_none, help="yaml format configuration file. if not explicitly provided, " "it will be searched in the checkpoint directory. (default=None)", ) group.add_argument( "--svs_task", default="svs", type=str_or_none, help="SVS task name. svs or gan_svs", ) return parser
[docs]def main(cmd=None): """Run SVS model decoding.""" print(get_commandline_args(), file=sys.stderr) parser = get_parser() args = parser.parse_args(cmd) kwargs = vars(args) kwargs.pop("config", None) inference(**kwargs)
if __name__ == "__main__": main()