mirror of
https://github.com/xinnan-tech/xiaozhi-esp32-server.git
synced 2026-07-22 23:23:55 +08:00
140 lines
5.0 KiB
Python
140 lines
5.0 KiB
Python
import os
|
|
import wave
|
|
import copy
|
|
import uuid
|
|
import queue
|
|
import asyncio
|
|
import traceback
|
|
import threading
|
|
import opuslib_next
|
|
from abc import ABC, abstractmethod
|
|
from config.logger import setup_logging
|
|
from typing import Optional, Tuple, List
|
|
from core.handle.receiveAudioHandle import startToChat
|
|
from core.handle.reportHandle import enqueue_asr_report
|
|
from core.utils.util import remove_punctuation_and_length
|
|
from core.handle.receiveAudioHandle import handleAudioMessage
|
|
|
|
TAG = __name__
|
|
logger = setup_logging()
|
|
|
|
|
|
class ASRProviderBase(ABC):
|
|
def __init__(self):
|
|
pass
|
|
|
|
# 打开音频通道
|
|
# 这里默认是非流式的处理方式
|
|
# 流式处理方式请在子类中重写
|
|
async def open_audio_channels(self, conn):
|
|
# tts 消化线程
|
|
conn.asr_priority_thread = threading.Thread(
|
|
target=self.asr_text_priority_thread, args=(conn,), daemon=True
|
|
)
|
|
conn.asr_priority_thread.start()
|
|
|
|
# 有序处理ASR音频
|
|
def asr_text_priority_thread(self, conn):
|
|
while not conn.stop_event.is_set():
|
|
try:
|
|
message = conn.asr_audio_queue.get(timeout=1)
|
|
future = asyncio.run_coroutine_threadsafe(
|
|
handleAudioMessage(conn, message),
|
|
conn.loop,
|
|
)
|
|
future.result()
|
|
except queue.Empty:
|
|
continue
|
|
except Exception as e:
|
|
logger.bind(tag=TAG).error(
|
|
f"处理ASR文本失败: {str(e)}, 类型: {type(e).__name__}, 堆栈: {traceback.format_exc()}"
|
|
)
|
|
continue
|
|
|
|
# 接收音频
|
|
# 这里默认是非流式的处理方式
|
|
# 流式处理方式请在子类中重写
|
|
async def receive_audio(self, conn, audio, audio_have_voice):
|
|
if conn.client_listen_mode == "auto" or conn.client_listen_mode == "realtime":
|
|
have_voice = audio_have_voice
|
|
else:
|
|
have_voice = conn.client_have_voice
|
|
# 如果本次没有声音，本段也没声音，就把声音丢弃了
|
|
conn.asr_audio.append(audio)
|
|
if have_voice == False and conn.client_have_voice == False:
|
|
conn.asr_audio = conn.asr_audio[-10:]
|
|
return
|
|
|
|
# 如果本段有声音，且已经停止了
|
|
if conn.client_voice_stop:
|
|
asr_audio_task = copy.deepcopy(conn.asr_audio)
|
|
conn.asr_audio.clear()
|
|
|
|
# 音频太短了，无法识别
|
|
conn.reset_vad_states()
|
|
if len(asr_audio_task) > 15:
|
|
await self.handle_voice_stop(conn, asr_audio_task)
|
|
|
|
# 处理语音停止
|
|
async def handle_voice_stop(self, conn, asr_audio_task):
|
|
raw_text, _ = await self.speech_to_text(
|
|
asr_audio_task, conn.session_id, conn.audio_format
|
|
) # 确保ASR模块返回原始文本
|
|
conn.logger.bind(tag=TAG).info(f"识别文本: {raw_text}")
|
|
text_len, _ = remove_punctuation_and_length(raw_text)
|
|
self.stop_ws_connection()
|
|
if text_len > 0:
|
|
# 使用自定义模块进行上报
|
|
await startToChat(conn, raw_text)
|
|
enqueue_asr_report(conn, raw_text, asr_audio_task)
|
|
|
|
def stop_ws_connection(self):
|
|
pass
|
|
|
|
def save_audio_to_file(self, pcm_data: List[bytes], session_id: str) -> str:
|
|
"""PCM数据保存为WAV文件"""
|
|
module_name = __name__.split(".")[-1]
|
|
file_name = f"asr_{module_name}_{session_id}_{uuid.uuid4()}.wav"
|
|
file_path = os.path.join(self.output_dir, file_name)
|
|
|
|
with wave.open(file_path, "wb") as wf:
|
|
wf.setnchannels(1)
|
|
wf.setsampwidth(2) # 2 bytes = 16-bit
|
|
wf.setframerate(16000)
|
|
wf.writeframes(b"".join(pcm_data))
|
|
|
|
return file_path
|
|
|
|
@abstractmethod
|
|
async def speech_to_text(
|
|
self, opus_data: List[bytes], session_id: str, audio_format="opus"
|
|
) -> Tuple[Optional[str], Optional[str]]:
|
|
"""将语音数据转换为文本"""
|
|
pass
|
|
|
|
@staticmethod
|
|
def decode_opus(opus_data: List[bytes]) -> bytes:
|
|
"""将Opus音频数据解码为PCM数据"""
|
|
try:
|
|
decoder = opuslib_next.Decoder(16000, 1) # 16kHz, 单声道
|
|
pcm_data = []
|
|
buffer_size = 960 # 每次处理960个采样点
|
|
|
|
for opus_packet in opus_data:
|
|
try:
|
|
# 使用较小的缓冲区大小进行处理
|
|
pcm_frame = decoder.decode(opus_packet, buffer_size)
|
|
if pcm_frame:
|
|
pcm_data.append(pcm_frame)
|
|
except opuslib_next.OpusError as e:
|
|
logger.bind(tag=TAG).warning(f"Opus解码错误，跳过当前数据包: {e}")
|
|
continue
|
|
except Exception as e:
|
|
logger.bind(tag=TAG).error(f"音频处理错误: {e}", exc_info=True)
|
|
continue
|
|
|
|
return pcm_data
|
|
except Exception as e:
|
|
logger.bind(tag=TAG).error(f"音频解码过程发生错误: {e}", exc_info=True)
|
|
return []
|