STT_Server/src/functor/spk_functor.py

146 lines
4.3 KiB
Python

"""
SpkFunctor
负责对音频片段进行SPK说话人识别处理, 以SPK_Result进行callback
"""
from src.functor.base import BaseFunctor
from src.models import AudioBinary_Config, VAD_Functor_result
from typing import Callable, List
from queue import Queue, Empty
import threading
# 日志
from src.utils.logger import get_module_logger
logger = get_module_logger(__name__)
class SPKFunctor(BaseFunctor):
"""
SPKFunctor
负责对音频片段进行SPK说话人识别处理, 以SPK_Result进行callback
需要配置好 _model, _callback, _input_queue, _audio_config
否则无法run()启动线程
运行中, 使用reset_cache()重置缓存, 准备下次任务
使用stop()停止线程, 但需要等待input_queue为空
"""
def __init__(self) -> None:
super().__init__()
# 资源与配置
self._model: dict = {} # 模型
self._callback: List[Callable] = [] # 回调函数
self._input_queue: Queue = None # 输入队列
self._audio_config: AudioBinary_Config = None # 音频配置
def reset_cache(self) -> None:
"""
重置缓存, 用于任务完成后清理缓存数据, 准备下次任务
"""
pass
def set_input_queue(self, queue: Queue) -> None:
"""
设置监听的输入消息队列
"""
self._input_queue = queue
def set_model(self, model: dict) -> None:
"""
设置推理模型
"""
self._model = model
def set_audio_config(self, audio_config: AudioBinary_Config) -> None:
"""
设置音频配置
"""
self._audio_config = audio_config
logger.debug("SpkFunctor设置音频配置: %s", self._audio_config)
def add_callback(self, callback: Callable) -> None:
"""
向自身的_callback: List[Callable]回调函数列表中添加回调函数
"""
if not isinstance(self._callback, list):
self._callback = []
self._callback.append(callback)
def _do_callback(self, result: List[str]) -> None:
"""
回调函数
"""
for callback in self._callback:
callback(result)
def _process(self, data: VAD_Functor_result) -> None:
"""
处理数据
"""
binary_data = data.audiobinary_data.binary_data
# result = self._model["spk"].generate(
# input=binary_data,
# chunk_size=self._audio_config.chunk_size,
# )
result = [{'result': "spk1", 'score': {"spk1": 0.9, "spk2": 0.3}}]
self._do_callback(result)
def _run(self) -> None:
"""
线程运行逻辑
"""
with self._status_lock:
self._is_running = True
self._stop_event = False
# 运行逻辑
while self._is_running:
try:
data = self._input_queue.get(True, timeout=1)
self._process(data)
self._input_queue.task_done()
# 当队列为空时, 间隔1s检测是否进入停止事件。
except Empty:
if self._stop_event:
break
continue
# 其他异常
except Exception as e:
logger.error("SpkFunctor运行时发生错误: %s", e)
raise e
def run(self) -> threading.Thread:
"""
启动线程
Returns:
threading.Thread: 返回已运行线程实例
"""
self._pre_check()
self._thread = threading.Thread(target=self._run, daemon=True)
self._thread.start()
return self._thread
def _pre_check(self) -> bool:
"""
预检查
"""
if self._model is None:
raise ValueError("模型未设置")
if self._input_queue is None:
raise ValueError("输入队列未设置")
if self._callback is None:
raise ValueError("回调函数未设置")
return True
def stop(self) -> bool:
"""
停止线程
"""
with self._status_lock:
self._stop_event = True
self._thread.join()
with self._status_lock:
self._is_running = False
return not self._thread.is_alive()