| from dataclasses import asdict, dataclass, field |
| from typing import Dict, Optional, List |
| from transformers.configuration_utils import PretrainedConfig |
| from transformers.utils import logging |
|
|
| logger = logging.get_logger(__name__) |
|
|
|
|
| @dataclass |
| class XTTSAudioConfig: |
| """Configuration for audio processing parameters""" |
| sample_rate: int = 22050 |
| output_sample_rate: int = 24000 |
| mel_channels: int = 80 |
| hop_length: int = 256 |
| win_length: int = 1024 |
| n_fft: int = 1024 |
| fmin: int = 0 |
| fmax: int = 8000 |
| power: float = 1.0 |
| mel_norms_file: Optional[str] = None |
|
|
|
|
| class XTTSGPTConfig(PretrainedConfig): |
| """Configuration class for the GPT component of XTTS""" |
| model_type = "xtts_gpt" |
|
|
| def __init__( |
| self, |
| |
| vocab_size: int = 256, |
| num_chars: int = 255, |
| |
| |
| gpt_batch_size: int = 1, |
| gpt_max_audio_tokens: int = 605, |
| gpt_max_text_tokens: int = 402, |
| gpt_max_prompt_tokens: int = 70, |
| gpt_layers: int = 30, |
| gpt_n_model_channels: int = 1024, |
| gpt_n_heads: int = 16, |
| gpt_number_text_tokens: int = 6681, |
| gpt_start_text_token: Optional[int] = None, |
| gpt_stop_text_token: Optional[int] = None, |
| gpt_num_audio_tokens: int = 1026, |
| gpt_start_audio_token: int = 1024, |
| gpt_stop_audio_token: int = 1025, |
| gpt_code_stride_len: int = 1024, |
| gpt_use_masking_gt_prompt_approach: bool = True, |
| gpt_use_perceiver_resampler: bool = True, |
| gpt_checkpointing: bool = False, |
| gpt_train_solo_embeddings: bool = False, |
| |
| |
| enable_redaction: bool = False, |
| kv_cache: bool = True, |
| perceiver_cond_length_compression: int = 256, |
| label_smoothing: float = 0.0, |
| |
| |
| temperature: float = 0.75, |
| length_penalty: float = 1.0, |
| repetition_penalty: float = 5.0, |
| top_k: int = 50, |
| top_p: float = 0.85, |
| gpt_cond_len: int = 30, |
| gpt_cond_chunk_len: int = 4, |
| max_ref_len: int = 30, |
| sound_norm_refs: bool = False, |
| |
| |
| audio_config: Optional[XTTSAudioConfig] = None, |
| |
| |
| duration_const: int = 102400, |
| char_limits: Optional[Dict[str, int]] = None, |
| languages: Optional[List[str]] = None, |
| pad_token_id: Optional[int] = None, |
| bos_token_id: Optional[int] = None, |
| eos_token_id: Optional[int] = None, |
| **kwargs, |
| ): |
| if char_limits is None: |
| char_limits = { |
| "en": 250, "de": 253, "fr": 273, "es": 239, |
| "it": 213, "pt": 203, "pl": 224, "zh": 82, |
| "ar": 166, "cs": 186, "ru": 182, "nl": 251, |
| "tr": 226, "ja": 71, "hu": 224, "ko": 95, |
| } |
|
|
| if languages is None: |
| languages = [ |
| "en", "es", "fr", "de", "it", "pt", "pl", "tr", "ru", "nl", |
| "cs", "ar", "zh-cn", "hu", "ko", "ja", "hi" |
| ] |
|
|
| if audio_config is None: |
| audio_config = XTTSAudioConfig() |
|
|
| super().__init__( |
| pad_token_id=pad_token_id, |
| bos_token_id=bos_token_id, |
| eos_token_id=eos_token_id, |
| **kwargs |
| ) |
|
|
| self.vocab_size = vocab_size |
| self.num_chars = num_chars |
|
|
| |
| self.gpt_batch_size = gpt_batch_size |
| self.gpt_max_audio_tokens = gpt_max_audio_tokens |
| self.gpt_max_text_tokens = gpt_max_text_tokens |
| self.gpt_max_prompt_tokens = gpt_max_prompt_tokens |
| self.gpt_layers = gpt_layers |
| self.gpt_n_model_channels = gpt_n_model_channels |
| self.gpt_n_heads = gpt_n_heads |
| self.gpt_number_text_tokens = gpt_number_text_tokens |
| self.gpt_start_text_token = gpt_start_text_token |
| self.gpt_stop_text_token = gpt_stop_text_token |
| self.gpt_num_audio_tokens = gpt_num_audio_tokens |
| self.gpt_start_audio_token = gpt_start_audio_token |
| self.gpt_stop_audio_token = gpt_stop_audio_token |
| self.gpt_code_stride_len = gpt_code_stride_len |
| self.gpt_use_masking_gt_prompt_approach = gpt_use_masking_gt_prompt_approach |
| self.gpt_use_perceiver_resampler = gpt_use_perceiver_resampler |
| self.gpt_checkpointing = gpt_checkpointing |
| self.gpt_train_solo_embeddings = gpt_train_solo_embeddings |
|
|
| |
| self.enable_redaction = enable_redaction |
| self.kv_cache = kv_cache |
| self.perceiver_cond_length_compression = perceiver_cond_length_compression |
| self.label_smoothing = label_smoothing |
|
|
| |
| self.temperature = temperature |
| self.length_penalty = length_penalty |
| self.repetition_penalty = repetition_penalty |
| self.top_k = top_k |
| self.top_p = top_p |
| self.gpt_cond_len = gpt_cond_len |
| self.gpt_cond_chunk_len = gpt_cond_chunk_len |
| self.max_ref_len = max_ref_len |
| self.sound_norm_refs = sound_norm_refs |
|
|
| |
| self.audio_config = audio_config |
|
|
| |
| self.duration_const = duration_const |
| self.char_limits = char_limits |
| self.languages = languages |
|
|
| def to_dict(self): |
| """Convert config to dictionary""" |
| config_dict = super().to_dict() |
| config_dict["audio_config"] = asdict(self.audio_config) |
| return config_dict |
|
|
| @classmethod |
| def from_dict(cls, config_dict): |
| """Create config from dictionary""" |
| audio_config = XTTSAudioConfig(**config_dict.pop("audio_config", {})) |
| return cls(audio_config=audio_config, **config_dict) |
|
|
| def update_with_tokenizer(self, tokenizer=None): |
| """Update configuration values based on tokenizer""" |
| if tokenizer is not None: |
| self.gpt_number_text_tokens = tokenizer.get_vocab_size() |
| self.gpt_start_text_token = tokenizer.bos_token_id |
| self.gpt_stop_text_token = tokenizer.eos_token_id |