import os import sys sys.path.append(os.getcwd()) import argparse import time from importlib.resources import files import torch import torchaudio from accelerate import Accelerator from tqdm import tqdm from f5_tts.eval.utils_eval import ( get_inference_prompt, get_librispeech_test_clean_metainfo, get_seedtts_testset_metainfo, ) from f5_tts.infer.utils_infer import load_checkpoint, load_vocoder from f5_tts.model import CFM, DiT, UNetT from f5_tts.model.utils import get_tokenizer accelerator = Accelerator() device = f"cuda:{accelerator.process_index}" # --------------------- Dataset Settings -------------------- # target_sample_rate = 24000 n_mel_channels = 100 hop_length = 256 win_length = 1024 n_fft = 1024 target_rms = 0.1 tokenizer = "pinyin" rel_path = str(files("f5_tts").joinpath("../../")) def main(): # ---------------------- infer setting ---------------------- # parser = argparse.ArgumentParser(description="batch inference") parser.add_argument("-s", "--seed", default=None, type=int) parser.add_argument("-d", "--dataset", default="Emilia_ZH_EN") parser.add_argument("-n", "--expname", required=True) parser.add_argument("-c", "--ckptstep", default=1200000, type=int) parser.add_argument("-m", "--mel_spec_type", default="vocos", type=str, choices=["bigvgan", "vocos"]) parser.add_argument("-nfe", "--nfestep", default=32, type=int) parser.add_argument("-o", "--odemethod", default="euler") parser.add_argument("-ss", "--swaysampling", default=-1, type=float) parser.add_argument("-t", "--testset", required=True) args = parser.parse_args() seed = args.seed dataset_name = args.dataset exp_name = args.expname ckpt_step = args.ckptstep ckpt_path = rel_path + f"/ckpts/{exp_name}/model_{ckpt_step}.pt" mel_spec_type = args.mel_spec_type nfe_step = args.nfestep ode_method = args.odemethod sway_sampling_coef = args.swaysampling testset = args.testset infer_batch_size = 1 # max frames. 1 for ddp single inference (recommended) cfg_strength = 2.0 speed = 1.0 use_truth_duration = False no_ref_audio = False if exp_name == "F5TTS_Base": model_cls = DiT model_cfg = dict(dim=1024, depth=22, heads=16, ff_mult=2, text_dim=512, conv_layers=4) elif exp_name == "E2TTS_Base": model_cls = UNetT model_cfg = dict(dim=1024, depth=24, heads=16, ff_mult=4) if testset == "ls_pc_test_clean": metalst = rel_path + "/data/librispeech_pc_test_clean_cross_sentence.lst" librispeech_test_clean_path = "/LibriSpeech/test-clean" # test-clean path metainfo = get_librispeech_test_clean_metainfo(metalst, librispeech_test_clean_path) elif testset == "seedtts_test_zh": metalst = rel_path + "/data/seedtts_testset/zh/meta.lst" metainfo = get_seedtts_testset_metainfo(metalst) elif testset == "seedtts_test_en": metalst = rel_path + "/data/seedtts_testset/en/meta.lst" metainfo = get_seedtts_testset_metainfo(metalst) # path to save genereted wavs output_dir = ( f"{rel_path}/" f"results/{exp_name}_{ckpt_step}/{testset}/" f"seed{seed}_{ode_method}_nfe{nfe_step}_{mel_spec_type}" f"{f'_ss{sway_sampling_coef}' if sway_sampling_coef else ''}" f"_cfg{cfg_strength}_speed{speed}" f"{'_gt-dur' if use_truth_duration else ''}" f"{'_no-ref-audio' if no_ref_audio else ''}" ) # -------------------------------------------------# use_ema = True prompts_all = get_inference_prompt( metainfo, speed=speed, tokenizer=tokenizer, target_sample_rate=target_sample_rate, n_mel_channels=n_mel_channels, hop_length=hop_length, mel_spec_type=mel_spec_type, target_rms=target_rms, use_truth_duration=use_truth_duration, infer_batch_size=infer_batch_size, ) # Vocoder model local = False if mel_spec_type == "vocos": vocoder_local_path = "../checkpoints/charactr/vocos-mel-24khz" elif mel_spec_type == "bigvgan": vocoder_local_path = "../checkpoints/bigvgan_v2_24khz_100band_256x" vocoder = load_vocoder(vocoder_name=mel_spec_type, is_local=local, local_path=vocoder_local_path) # Tokenizer vocab_char_map, vocab_size = get_tokenizer(dataset_name, tokenizer) # Model model = CFM( transformer=model_cls(**model_cfg, text_num_embeds=vocab_size, mel_dim=n_mel_channels), mel_spec_kwargs=dict( n_fft=n_fft, hop_length=hop_length, win_length=win_length, n_mel_channels=n_mel_channels, target_sample_rate=target_sample_rate, mel_spec_type=mel_spec_type, ), odeint_kwargs=dict( method=ode_method, ), vocab_char_map=vocab_char_map, ).to(device) dtype = torch.float32 if mel_spec_type == "bigvgan" else None model = load_checkpoint(model, ckpt_path, device, dtype=dtype, use_ema=use_ema) if not os.path.exists(output_dir) and accelerator.is_main_process: os.makedirs(output_dir) # start batch inference accelerator.wait_for_everyone() start = time.time() with accelerator.split_between_processes(prompts_all) as prompts: for prompt in tqdm(prompts, disable=not accelerator.is_local_main_process): utts, ref_rms_list, ref_mels, ref_mel_lens, total_mel_lens, final_text_list = prompt ref_mels = ref_mels.to(device) ref_mel_lens = torch.tensor(ref_mel_lens, dtype=torch.long).to(device) total_mel_lens = torch.tensor(total_mel_lens, dtype=torch.long).to(device) # Inference with torch.inference_mode(): generated, _ = model.sample( cond=ref_mels, text=final_text_list, duration=total_mel_lens, lens=ref_mel_lens, steps=nfe_step, cfg_strength=cfg_strength, sway_sampling_coef=sway_sampling_coef, no_ref_audio=no_ref_audio, seed=seed, ) # Final result for i, gen in enumerate(generated): gen = gen[ref_mel_lens[i] : total_mel_lens[i], :].unsqueeze(0) gen_mel_spec = gen.permute(0, 2, 1).to(torch.float32) if mel_spec_type == "vocos": generated_wave = vocoder.decode(gen_mel_spec) elif mel_spec_type == "bigvgan": generated_wave = vocoder(gen_mel_spec) if ref_rms_list[i] < target_rms: generated_wave = generated_wave * ref_rms_list[i] / target_rms torchaudio.save(f"{output_dir}/{utts[i]}.wav", generated_wave.cpu(), target_sample_rate) accelerator.wait_for_everyone() if accelerator.is_main_process: timediff = time.time() - start print(f"Done batch inference in {timediff / 60 :.2f} minutes.") if __name__ == "__main__": main()