import numpy as np import gradio as gr import torch import os import warnings from gradio.processing_utils import convert_to_16_bit_wav from typing import Dict, List, Optional, Union import utils from infer import get_net_g, infer from models import SynthesizerTrn from models_jp_extra import SynthesizerTrn as SynthesizerTrnJPExtra from .log import logger from .constants import ( DEFAULT_ASSIST_TEXT_WEIGHT, DEFAULT_LENGTH, DEFAULT_LINE_SPLIT, DEFAULT_NOISE, DEFAULT_NOISEW, DEFAULT_SDP_RATIO, DEFAULT_SPLIT_INTERVAL, DEFAULT_STYLE, DEFAULT_STYLE_WEIGHT, ) class Model: def __init__( self, model_path: str, config_path: str, style_vec_path: str, device: str ): self.model_path: str = model_path self.config_path: str = config_path self.device: str = device self.style_vec_path: str = style_vec_path self.hps: utils.HParams = utils.get_hparams_from_file(self.config_path) self.spk2id: Dict[str, int] = self.hps.data.spk2id self.id2spk: Dict[int, str] = {v: k for k, v in self.spk2id.items()} self.num_styles: int = self.hps.data.num_styles if hasattr(self.hps.data, "style2id"): self.style2id: Dict[str, int] = self.hps.data.style2id else: self.style2id: Dict[str, int] = {str(i): i for i in range(self.num_styles)} if len(self.style2id) != self.num_styles: raise ValueError( f"Number of styles ({self.num_styles}) does not match the number of style2id ({len(self.style2id)})" ) self.style_vectors: np.ndarray = np.load(self.style_vec_path) if self.style_vectors.shape[0] != self.num_styles: raise ValueError( f"The number of styles ({self.num_styles}) does not match the number of style vectors ({self.style_vectors.shape[0]})" ) self.net_g: Union[SynthesizerTrn, SynthesizerTrnJPExtra, None] = None def load_net_g(self): self.net_g = get_net_g( model_path=self.model_path, version=self.hps.version, device=self.device, hps=self.hps, ) def get_style_vector(self, style_id: int, weight: float = 1.0) -> np.ndarray: mean = self.style_vectors[0] style_vec = self.style_vectors[style_id] style_vec = mean + (style_vec - mean) * weight return style_vec def get_style_vector_from_audio( self, audio_path: str, weight: float = 1.0 ) -> np.ndarray: from style_gen import get_style_vector xvec = get_style_vector(audio_path) mean = self.style_vectors[0] xvec = mean + (xvec - mean) * weight return xvec def infer( self, text: str, language: str = "JP", sid: int = 0, reference_audio_path: Optional[str] = None, sdp_ratio: float = DEFAULT_SDP_RATIO, noise: float = DEFAULT_NOISE, noisew: float = DEFAULT_NOISEW, length: float = DEFAULT_LENGTH, line_split: bool = DEFAULT_LINE_SPLIT, split_interval: float = DEFAULT_SPLIT_INTERVAL, assist_text: Optional[str] = None, assist_text_weight: float = DEFAULT_ASSIST_TEXT_WEIGHT, use_assist_text: bool = False, style: str = DEFAULT_STYLE, style_weight: float = DEFAULT_STYLE_WEIGHT, given_tone: Optional[list[int]] = None, ) -> tuple[int, np.ndarray]: logger.info(f"Start generating audio data from text:\n{text}") if language != "JP" and self.hps.version.endswith("JP-Extra"): raise ValueError( "The model is trained with JP-Extra, but the language is not JP" ) if reference_audio_path == "": reference_audio_path = None if assist_text == "" or not use_assist_text: assist_text = None if self.net_g is None: self.load_net_g() if reference_audio_path is None: style_id = self.style2id[style] style_vector = self.get_style_vector(style_id, style_weight) else: style_vector = self.get_style_vector_from_audio( reference_audio_path, style_weight ) if not line_split: with torch.no_grad(): audio = infer( text=text, sdp_ratio=sdp_ratio, noise_scale=noise, noise_scale_w=noisew, length_scale=length, sid=sid, language=language, hps=self.hps, net_g=self.net_g, device=self.device, assist_text=assist_text, assist_text_weight=assist_text_weight, style_vec=style_vector, given_tone=given_tone, ) else: texts = text.split("\n") texts = [t for t in texts if t != ""] audios = [] with torch.no_grad(): for i, t in enumerate(texts): audios.append( infer( text=t, sdp_ratio=sdp_ratio, noise_scale=noise, noise_scale_w=noisew, length_scale=length, sid=sid, language=language, hps=self.hps, net_g=self.net_g, device=self.device, assist_text=assist_text, assist_text_weight=assist_text_weight, style_vec=style_vector, ) ) if i != len(texts) - 1: audios.append(np.zeros(int(44100 * split_interval))) audio = np.concatenate(audios) with warnings.catch_warnings(): warnings.simplefilter("ignore") audio = convert_to_16_bit_wav(audio) logger.info("Audio data generated successfully") return (self.hps.data.sampling_rate, audio) class ModelHolder: def __init__(self, root_dir: str, device: str): self.root_dir: str = root_dir self.device: str = device self.model_files_dict: Dict[str, List[str]] = {} self.current_model: Optional[Model] = None self.model_names: List[str] = [] self.models: List[Model] = [] self.refresh() def refresh(self): self.model_files_dict = {} self.model_names = [] self.current_model = None model_dirs = [ d for d in os.listdir(self.root_dir) if os.path.isdir(os.path.join(self.root_dir, d)) ] for model_name in model_dirs: model_dir = os.path.join(self.root_dir, model_name) model_files = [ os.path.join(model_dir, f) for f in os.listdir(model_dir) if f.endswith(".pth") or f.endswith(".pt") or f.endswith(".safetensors") ] if len(model_files) == 0: logger.warning( f"No model files found in {self.root_dir}/{model_name}, so skip it" ) continue self.model_files_dict[model_name] = model_files self.model_names.append(model_name) def load_model_gr( self, model_name: str, model_path: str ) -> tuple[gr.Dropdown, gr.Button, gr.Dropdown]: if model_name not in self.model_files_dict: raise ValueError(f"Model `{model_name}` is not found") if model_path not in self.model_files_dict[model_name]: raise ValueError(f"Model file `{model_path}` is not found") if ( self.current_model is not None and self.current_model.model_path == model_path ): # Already loaded speakers = list(self.current_model.spk2id.keys()) styles = list(self.current_model.style2id.keys()) return ( gr.Dropdown(choices=styles, value=styles[0]), gr.Button(interactive=True, value="音声合成"), gr.Dropdown(choices=speakers, value=speakers[0]), ) self.current_model = Model( model_path=model_path, config_path=os.path.join(self.root_dir, model_name, "config.json"), style_vec_path=os.path.join(self.root_dir, model_name, "style_vectors.npy"), device=self.device, ) speakers = list(self.current_model.spk2id.keys()) styles = list(self.current_model.style2id.keys()) return ( gr.Dropdown(choices=styles, value=styles[0]), gr.Button(interactive=True, value="音声合成"), gr.Dropdown(choices=speakers, value=speakers[0]), ) def update_model_files_gr(self, model_name: str) -> gr.Dropdown: model_files = self.model_files_dict[model_name] return gr.Dropdown(choices=model_files, value=model_files[0]) def update_model_names_gr(self) -> tuple[gr.Dropdown, gr.Dropdown, gr.Button]: self.refresh() initial_model_name = self.model_names[0] initial_model_files = self.model_files_dict[initial_model_name] return ( gr.Dropdown(choices=self.model_names, value=initial_model_name), gr.Dropdown(choices=initial_model_files, value=initial_model_files[0]), gr.Button(interactive=False), # For tts_button )