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231 lines
8.4 KiB
231 lines
8.4 KiB
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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from pathlib import Path
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import numpy as np
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import soundfile as sf
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from timer import timer
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from paddlespeech.t2s.exps.syn_utils import denorm
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from paddlespeech.t2s.exps.syn_utils import get_chunks
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from paddlespeech.t2s.exps.syn_utils import get_frontend
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from paddlespeech.t2s.exps.syn_utils import get_lite_am_sublayer_output
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from paddlespeech.t2s.exps.syn_utils import get_lite_predictor
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from paddlespeech.t2s.exps.syn_utils import get_lite_streaming_am_output
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from paddlespeech.t2s.exps.syn_utils import get_lite_voc_output
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from paddlespeech.t2s.exps.syn_utils import get_sentences
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from paddlespeech.t2s.exps.syn_utils import run_frontend
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from paddlespeech.t2s.utils import str2bool
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def parse_args():
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parser = argparse.ArgumentParser(
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description="Paddle Infernce with acoustic model & vocoder.")
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# acoustic model
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parser.add_argument(
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'--am',
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type=str,
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default='fastspeech2_csmsc',
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choices=['fastspeech2_csmsc'],
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help='Choose acoustic model type of tts task.')
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parser.add_argument(
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"--am_stat",
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type=str,
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default=None,
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help="mean and standard deviation used to normalize spectrogram when training acoustic model."
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)
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parser.add_argument(
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"--phones_dict", type=str, default=None, help="phone vocabulary file.")
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parser.add_argument(
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"--tones_dict", type=str, default=None, help="tone vocabulary file.")
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parser.add_argument(
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"--speaker_dict", type=str, default=None, help="speaker id map file.")
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parser.add_argument(
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'--spk_id',
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type=int,
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default=0,
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help='spk id for multi speaker acoustic model')
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# voc
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parser.add_argument(
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'--voc',
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type=str,
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default='pwgan_csmsc',
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choices=['pwgan_csmsc', 'mb_melgan_csmsc', 'hifigan_csmsc'],
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help='Choose vocoder type of tts task.')
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# other
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parser.add_argument(
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'--lang',
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type=str,
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default='zh',
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help='Choose model language. zh or en')
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parser.add_argument(
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"--text",
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type=str,
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help="text to synthesize, a 'utt_id sentence' pair per line")
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parser.add_argument(
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"--inference_dir", type=str, help="dir to save inference models")
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parser.add_argument("--output_dir", type=str, help="output dir")
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# inference
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# streaming related
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parser.add_argument(
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"--am_streaming",
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type=str2bool,
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default=False,
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help="whether use streaming acoustic model")
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parser.add_argument(
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"--block_size", type=int, default=42, help="block size of am streaming")
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parser.add_argument(
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"--pad_size", type=int, default=12, help="pad size of am streaming")
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args, _ = parser.parse_known_args()
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return args
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# only inference for models trained with csmsc now
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def main():
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args = parse_args()
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# frontend
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frontend = get_frontend(
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lang=args.lang,
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phones_dict=args.phones_dict,
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tones_dict=args.tones_dict)
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# am_predictor
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am_encoder_infer_predictor = get_lite_predictor(
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model_dir=args.inference_dir,
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model_file=args.am + "_am_encoder_infer" + "_x86.nb")
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am_decoder_predictor = get_lite_predictor(
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model_dir=args.inference_dir,
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model_file=args.am + "_am_decoder" + "_x86.nb")
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am_postnet_predictor = get_lite_predictor(
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model_dir=args.inference_dir,
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model_file=args.am + "_am_postnet" + "_x86.nb")
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am_mu, am_std = np.load(args.am_stat)
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# model: {model_name}_{dataset}
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am_dataset = args.am[args.am.rindex('_') + 1:]
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# voc_predictor
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voc_predictor = get_lite_predictor(
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model_dir=args.inference_dir, model_file=args.voc + "_x86.nb")
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output_dir = Path(args.output_dir)
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output_dir.mkdir(parents=True, exist_ok=True)
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sentences = get_sentences(text_file=args.text, lang=args.lang)
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merge_sentences = True
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fs = 24000 if am_dataset != 'ljspeech' else 22050
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# warmup
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for utt_id, sentence in sentences[:3]:
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with timer() as t:
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normalized_mel = get_lite_streaming_am_output(
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input=sentence,
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am_encoder_infer_predictor=am_encoder_infer_predictor,
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am_decoder_predictor=am_decoder_predictor,
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am_postnet_predictor=am_postnet_predictor,
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frontend=frontend,
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lang=args.lang,
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merge_sentences=merge_sentences, )
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mel = denorm(normalized_mel, am_mu, am_std)
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wav = get_lite_voc_output(voc_predictor=voc_predictor, input=mel)
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speed = wav.size / t.elapse
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rtf = fs / speed
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print(
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f"{utt_id}, mel: {mel.shape}, wave: {wav.shape}, time: {t.elapse}s, Hz: {speed}, RTF: {rtf}."
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)
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print("warm up done!")
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N = 0
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T = 0
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block_size = args.block_size
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pad_size = args.pad_size
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get_tone_ids = False
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for utt_id, sentence in sentences:
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with timer() as t:
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# frontend
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frontend_dict = run_frontend(
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frontend=frontend,
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text=sentence,
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merge_sentences=merge_sentences,
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get_tone_ids=get_tone_ids,
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lang=args.lang)
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phone_ids = frontend_dict['phone_ids']
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phones = phone_ids[0].numpy()
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# acoustic model
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orig_hs = get_lite_am_sublayer_output(
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am_encoder_infer_predictor, input=phones)
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if args.am_streaming:
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hss = get_chunks(orig_hs, block_size, pad_size)
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chunk_num = len(hss)
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mel_list = []
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for i, hs in enumerate(hss):
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am_decoder_output = get_lite_am_sublayer_output(
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am_decoder_predictor, input=hs)
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am_postnet_output = get_lite_am_sublayer_output(
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am_postnet_predictor,
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input=np.transpose(am_decoder_output, (0, 2, 1)))
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am_output_data = am_decoder_output + np.transpose(
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am_postnet_output, (0, 2, 1))
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normalized_mel = am_output_data[0]
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sub_mel = denorm(normalized_mel, am_mu, am_std)
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# clip output part of pad
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if i == 0:
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sub_mel = sub_mel[:-pad_size]
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elif i == chunk_num - 1:
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# 最后一块的右侧一定没有 pad 够
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sub_mel = sub_mel[pad_size:]
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else:
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# 倒数几块的右侧也可能没有 pad 够
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sub_mel = sub_mel[pad_size:(block_size + pad_size) -
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sub_mel.shape[0]]
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mel_list.append(sub_mel)
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mel = np.concatenate(mel_list, axis=0)
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else:
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am_decoder_output = get_lite_am_sublayer_output(
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am_decoder_predictor, input=orig_hs)
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am_postnet_output = get_lite_am_sublayer_output(
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am_postnet_predictor,
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input=np.transpose(am_decoder_output, (0, 2, 1)))
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am_output_data = am_decoder_output + np.transpose(
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am_postnet_output, (0, 2, 1))
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normalized_mel = am_output_data[0]
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mel = denorm(normalized_mel, am_mu, am_std)
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# vocoder
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wav = get_lite_voc_output(voc_predictor=voc_predictor, input=mel)
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N += wav.size
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T += t.elapse
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speed = wav.size / t.elapse
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rtf = fs / speed
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sf.write(output_dir / (utt_id + ".wav"), wav, samplerate=24000)
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print(
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f"{utt_id}, mel: {mel.shape}, wave: {wav.shape}, time: {t.elapse}s, Hz: {speed}, RTF: {rtf}."
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)
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print(f"{utt_id} done!")
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print(f"generation speed: {N / T}Hz, RTF: {fs / (N / T) }")
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if __name__ == "__main__":
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main()
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