Update ForwardTTS

TTS/tts/models/base_tts.py

@@ -1,6 +1,6 @@
 import os
 import random
-from typing import Dict, List, Tuple
+from typing import Dict, List, Tuple, Union
 
 import torch
 import torch.distributed as dist
@@ -56,9 +56,10 @@ class BaseTTS(BaseModel):
         """
         # don't use isintance not to import recursively
         if "Config" in config.__class__.__name__:
-            num_chars = (
-                self.config.model_args.num_chars if self.tokenizer is None else self.tokenizer.characters.num_chars
+            config_num_chars = (
+                self.config.model_args.num_chars if hasattr(self.config, "model_args") else self.config.num_chars
             )
+            num_chars = config_num_chars if self.tokenizer is None else self.tokenizer.characters.num_chars
             if "characters" in config:
                 self.config.num_chars = num_chars
                 if hasattr(self.config, "model_args"):
@@ -237,7 +238,7 @@ class BaseTTS(BaseModel):
         config: Coqpit,
         assets: Dict,
         is_eval: bool,
-        data_items: List,
+        samples: Union[List[Dict], List[List]],
         verbose: bool,
         num_gpus: int,
         rank: int = None,
@@ -274,7 +275,7 @@ class BaseTTS(BaseModel):
                 compute_linear_spec=config.model.lower() == "tacotron" or config.compute_linear_spec,
                 compute_f0=config.get("compute_f0", False),
                 f0_cache_path=config.get("f0_cache_path", None),
-                meta_data=data_items,
+                samples=samples,
                 ap=self.ap,
                 return_wav=config.return_wav if "return_wav" in config else False,
                 batch_group_size=0 if is_eval else config.batch_group_size * config.batch_size,
@@ -283,6 +284,7 @@ class BaseTTS(BaseModel):
                 min_audio_len=config.min_audio_len,
                 max_audio_len=config.max_audio_len,
                 phoneme_cache_path=config.phoneme_cache_path,
+                precompute_num_workers=config.precompute_num_workers,
                 use_noise_augment=False if is_eval else config.use_noise_augment,
                 verbose=verbose,
                 speaker_id_mapping=speaker_id_mapping,
@@ -357,8 +359,6 @@ class BaseTTS(BaseModel):
         Returns:
             Tuple[Dict, Dict]: Test figures and audios to be projected to Tensorboard.
         """
-        ap = assets["audio_processor"]
-        tokenizer = assets["tokenizer"]
         print(" | > Synthesizing test sentences.")
         test_audios = {}
         test_figures = {}
@@ -370,18 +370,15 @@ class BaseTTS(BaseModel):
                 sen,
                 self.config,
                 "cuda" in str(next(self.parameters()).device),
-                ap,
-                tokenizer,
                 speaker_id=aux_inputs["speaker_id"],
                 d_vector=aux_inputs["d_vector"],
                 style_wav=aux_inputs["style_wav"],
-                enable_eos_bos_chars=self.config.enable_eos_bos_chars,
                 use_griffin_lim=True,
                 do_trim_silence=False,
             )
             test_audios["{}-audio".format(idx)] = outputs_dict["wav"]
             test_figures["{}-prediction".format(idx)] = plot_spectrogram(
-                outputs_dict["outputs"]["model_outputs"], ap, output_fig=False
+                outputs_dict["outputs"]["model_outputs"], self.ap, output_fig=False
             )
             test_figures["{}-alignment".format(idx)] = plot_alignment(
                 outputs_dict["outputs"]["alignments"], output_fig=False

TTS/tts/models/forward_tts.py

@@ -1,5 +1,5 @@
 from dataclasses import dataclass, field
-from typing import Dict, Tuple
+from typing import Dict, List, Tuple, Union
 
 import torch
 from coqpit import Coqpit
@@ -14,6 +14,7 @@ from TTS.tts.layers.glow_tts.duration_predictor import DurationPredictor
 from TTS.tts.models.base_tts import BaseTTS
 from TTS.tts.utils.helpers import average_over_durations, generate_path, maximum_path, sequence_mask
 from TTS.tts.utils.speakers import SpeakerManager
+from TTS.tts.utils.text.tokenizer import TTSTokenizer
 from TTS.tts.utils.visual import plot_alignment, plot_pitch, plot_spectrogram
 
 
@@ -170,11 +171,16 @@ class ForwardTTS(BaseTTS):
     """
 
     # pylint: disable=dangerous-default-value
-    def __init__(self, config: Coqpit, speaker_manager: SpeakerManager = None):
+    def __init__(
+        self,
+        config: Coqpit,
+        ap: "AudioProcessor" = None,
+        tokenizer: "TTSTokenizer" = None,
+        speaker_manager: SpeakerManager = None,
+    ):
 
-        super().__init__(config)
+        super().__init__(config, ap, tokenizer, speaker_manager)
 
-        self.speaker_manager = speaker_manager
         self.init_multispeaker(config)
 
         self.max_duration = self.args.max_duration
@@ -692,19 +698,17 @@ class ForwardTTS(BaseTTS):
     def train_log(
         self, batch: dict, outputs: dict, logger: "Logger", assets: dict, steps: int
     ) -> None:  # pylint: disable=no-self-use
-        ap = assets["audio_processor"]
-        figures, audios = self._create_logs(batch, outputs, ap)
+        figures, audios = self._create_logs(batch, outputs, self.ap)
         logger.train_figures(steps, figures)
-        logger.train_audios(steps, audios, ap.sample_rate)
+        logger.train_audios(steps, audios, self.ap.sample_rate)
 
     def eval_step(self, batch: dict, criterion: nn.Module):
         return self.train_step(batch, criterion)
 
     def eval_log(self, batch: dict, outputs: dict, logger: "Logger", assets: dict, steps: int) -> None:
-        ap = assets["audio_processor"]
-        figures, audios = self._create_logs(batch, outputs, ap)
+        figures, audios = self._create_logs(batch, outputs, self.ap)
         logger.eval_figures(steps, figures)
-        logger.eval_audios(steps, audios, ap.sample_rate)
+        logger.eval_audios(steps, audios, self.ap.sample_rate)
 
     def load_checkpoint(
         self, config, checkpoint_path, eval=False
@@ -724,3 +728,19 @@ class ForwardTTS(BaseTTS):
         """Enable binary alignment loss when needed"""
         if trainer.total_steps_done > self.config.binary_align_loss_start_step:
             self.use_binary_alignment_loss = True
+
+    @staticmethod
+    def init_from_config(config: "ForwardTTSConfig", samples: Union[List[List], List[Dict]] = None):
+        """Initiate model from config
+
+        Args:
+            config (ForwardTTSConfig): Model config.
+            samples (Union[List[List], List[Dict]]): Training samples to parse speaker ids for training.
+                Defaults to None.
+        """
+        from TTS.utils.audio import AudioProcessor
+
+        ap = AudioProcessor.init_from_config(config)
+        tokenizer, new_config = TTSTokenizer.init_from_config(config)
+        speaker_manager = SpeakerManager.init_from_config(config, samples)
+        return ForwardTTS(new_config, ap, tokenizer, speaker_manager)