File size: 2,399 Bytes
ef0d09e 1cbd55c ef0d09e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | from abc import ABC, abstractmethod
from typing import Tuple
import numpy as np
from ..models.base import BaseTTSConfig
class TTSInterface(ABC):
"""TTS服务的抽象接口"""
def __init__(self, config: BaseTTSConfig):
self.config = config
self._is_ready = False
@abstractmethod
def setup(self, **kwargs) -> None:
"""
初始化TTS服务
Args:
**kwargs: 额外的初始化参数
"""
pass
@abstractmethod
def warmup(self, warmup_steps: int = 1) -> None:
"""
预热TTS引擎
Args:
warmup_steps: 预热步数
"""
pass
@abstractmethod
def synthesize(self, text: str, **kwargs) -> Tuple[np.ndarray, int]:
"""
将文本转换为语音
Args:
text: 要转换的文本
**kwargs: 额外的合成参数
Returns:
Tuple[np.ndarray, int]: (音频数据, 采样率)
"""
pass
@property
def is_ready(self) -> bool:
"""
检查TTS服务是否准备就绪
Returns:
bool: 是否准备就绪
"""
return self._is_ready
@is_ready.setter
def is_ready(self, value: bool):
self._is_ready = value
def get_config(self) -> BaseTTSConfig:
"""获取当前配置"""
return self.config
class TTSFactory:
"""TTS工厂类，用于创建不同的TTS实现"""
_registry = {}
@classmethod
def register(cls, provider_name: str, tts_class):
"""注册TTS提供者"""
cls._registry[provider_name] = tts_class
@classmethod
def create(cls, config: BaseTTSConfig) -> TTSInterface:
"""
根据配置创建TTS实例
Args:
config: TTS配置
Returns:
TTSInterface: TTS实例
Raises:
ValueError: 不支持的TTS提供者
"""
provider = config.provider.value
if provider not in cls._registry:
raise ValueError(f"不支持的TTS提供者: {provider}")
tts_class = cls._registry[provider]
return tts_class(config)
@classmethod
def list_providers(cls):
"""列出所有已注册的TTS提供者"""
return list(cls._registry.keys())
|