mirror of
https://github.com/xinnan-tech/xiaozhi-esp32-server.git
synced 2026-07-23 15:43:54 +08:00
125 lines
3.5 KiB
Python
125 lines
3.5 KiB
Python
from config.logger import setup_logging
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import json
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import asyncio
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import time
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from core.utils.util import (
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get_string_no_punctuation_or_emoji,
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analyze_emotion
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)
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TAG = __name__
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logger = setup_logging()
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emoji_map = {
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'neutral': '😶',
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'happy': '🙂',
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'laughing': '😆',
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'funny': '😂',
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'sad': '😔',
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'angry': '😠',
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'crying': '😭',
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'loving': '😍',
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'embarrassed': '😳',
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'surprised': '😲',
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'shocked': '😱',
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'thinking': '🤔',
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'winking': '😉',
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'cool': '😎',
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'relaxed': '😌',
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'delicious': '🤤',
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'kissy': '😘',
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'confident': '😏',
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'sleepy': '😴',
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'silly': '😜',
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'confused': '🙄'
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}
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async def sendAudioMessage(conn, audios, text, text_index=0):
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# 发送句子开始消息
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emotion = analyze_emotion(text)
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emoji = emoji_map.get(emotion, '🙂') # 默认使用笑脸
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await conn.websocket.send(json.dumps(
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{
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"type": "llm",
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"text": emoji,
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"emotion": emotion,
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"session_id": conn.session_id,
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}
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)
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)
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if text_index == conn.tts_first_text_index:
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logger.bind(tag=TAG).info(f"发送第一段语音: {text}")
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await send_tts_message(conn, "sentence_start", text)
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# 播放音频
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await sendAudio(conn, audios)
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await send_tts_message(conn, "sentence_end", text)
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# 发送结束消息（如果是最后一个文本）
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if conn.llm_finish_task and text_index == conn.tts_last_text_index:
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await send_tts_message(conn, "stop", None)
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if conn.close_after_chat:
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await conn.close()
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# 播放音频
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async def sendAudio(conn, audios):
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# 流控参数优化
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frame_duration = 60 # 帧时长（毫秒），匹配 Opus 编码
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start_time = time.perf_counter()
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play_position = 0
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# 预缓冲：发送前 3 帧
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pre_buffer = min(3, len(audios))
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for i in range(pre_buffer):
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await conn.websocket.send(audios[i])
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# 正常播放剩余帧
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for opus_packet in audios[pre_buffer:]:
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if conn.client_abort:
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return
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# 计算预期发送时间
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expected_time = start_time + (play_position / 1000)
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current_time = time.perf_counter()
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delay = expected_time - current_time
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if delay > 0:
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await asyncio.sleep(delay)
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await conn.websocket.send(opus_packet)
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play_position += frame_duration
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async def send_tts_message(conn, state, text=None):
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"""发送 TTS 状态消息"""
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message = {"type": "tts", "state": state, "session_id": conn.session_id}
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if text is not None:
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message["text"] = text
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# TTS播放结束
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if state == "stop":
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# 播放提示音
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tts_notify = conn.config.get("enable_stop_tts_notify", False)
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if tts_notify:
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stop_tts_notify_voice = conn.config.get(
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"stop_tts_notify_voice", "config/assets/tts_notify.mp3"
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)
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audios, duration = conn.tts.audio_to_opus_data(stop_tts_notify_voice)
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await sendAudio(conn, audios)
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# 清除服务端讲话状态
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conn.clearSpeakStatus()
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# 发送消息到客户端
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await conn.websocket.send(json.dumps(message))
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async def send_stt_message(conn, text):
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"""发送 STT 状态消息"""
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stt_text = get_string_no_punctuation_or_emoji(text)
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await conn.websocket.send(
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json.dumps({"type": "stt", "text": stt_text, "session_id": conn.session_id})
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)
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await send_tts_message(conn, "start")
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