import argparse import os import torch import torch.nn.functional as F import torchaudio from api import TextToSpeech, load_conditioning from utils.audio import load_audio, get_voices from utils.tokenizer import VoiceBpeTokenizer def split_and_recombine_text(texts, desired_length=200, max_len=300): # TODO: also split across '!' and '?'. Attempt to keep quotations together. texts = [s.strip() + "." for s in texts.split('.')] i = 0 while i < len(texts): ltxt = texts[i] if len(ltxt) >= desired_length or i == len(texts)-1: i += 1 continue if len(ltxt) + len(texts[i+1]) > max_len: i += 1 continue texts[i] = f'{ltxt} {texts[i+1]}' texts.pop(i+1) return texts if __name__ == '__main__': parser = argparse.ArgumentParser() parser.add_argument('--textfile', type=str, help='A file containing the text to read.', default="data/riding_hood.txt") parser.add_argument('--voice', type=str, help='Selects the voice to use for generation. See options in voices/ directory (and add your own!) ' 'Use the & character to join two voices together. Use a comma to perform inference on multiple voices.', default='patrick_stewart') parser.add_argument('--output_path', type=str, help='Where to store outputs.', default='results/longform/') parser.add_argument('--generation_preset', type=str, help='Preset to use for generation', default='standard') args = parser.parse_args() outpath = args.output_path voices = get_voices() selected_voices = args.voice.split(',') for selected_voice in selected_voices: voice_outpath = os.path.join(outpath, selected_voice) os.makedirs(voice_outpath, exist_ok=True) with open(args.textfile, 'r', encoding='utf-8') as f: text = ''.join([l for l in f.readlines()]) texts = split_and_recombine_text(text) tts = TextToSpeech() if '&' in selected_voice: voice_sel = selected_voice.split('&') else: voice_sel = [selected_voice] cond_paths = [] for vsel in voice_sel: if vsel not in voices.keys(): print(f'Error: voice {vsel} not available. Skipping.') continue cond_paths.extend(voices[vsel]) if not cond_paths: print('Error: no valid voices specified. Try again.') priors = [] for j, text in enumerate(texts): conds = priors.copy() for cond_path in cond_paths: c = load_audio(cond_path, 22050) conds.append(c) gen = tts.tts_with_preset(text, conds, preset=args.generation_preset) torchaudio.save(os.path.join(voice_outpath, f'{j}.wav'), gen.squeeze(0).cpu(), 24000) priors.append(torchaudio.functional.resample(gen, 24000, 22050).squeeze(0)) while len(priors) > 2: priors.pop(0)