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fix: 播放咋音问题

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lizhongxiang
2025-04-09 14:32:32 +08:00
parent 4c81585e32
commit 8bb888c58e
5 changed files with 169 additions and 67 deletions
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main/xiaozhi-server/core/handle/sendAudioHandle.py
+3 -3
View File
@@ -28,7 +28,7 @@ async def sendAudioMessage(conn, ttsMessageDTO: TTSMessageDTO):
# 流控参数优化
original_frame_duration = 60 # 原始帧时长（毫秒）
adjusted_frame_duration = int(original_frame_duration * 0.8) # 缩短20%
adjusted_frame_duration = int(original_frame_duration * 1) # 缩短20%
total_frames = len(ttsMessageDTO.content) # 获取总帧数
compensation = (
total_frames * (original_frame_duration - adjusted_frame_duration) / 1000
@@ -54,8 +54,8 @@ async def sendAudioMessage(conn, ttsMessageDTO: TTSMessageDTO):
play_position += adjusted_frame_duration # 使用调整后的帧时长
# 补偿因加速损失的时长
if compensation > 0:
await asyncio.sleep(compensation)
# if compensation > 0:
# await asyncio.sleep(compensation)
if SentenceType.SENTENCE_END == ttsMessageDTO.sentence_type:
logger.bind(tag=TAG).info(f"发送最后一段语音: {ttsMessageDTO.tts_finish_text}")
await send_tts_message(conn, "sentence_end", ttsMessageDTO.tts_finish_text)
main/xiaozhi-server/core/opus/opus_encoder_utils.py
+137
View File
@@ -0,0 +1,137 @@
"""
Opus编码工具类
将PCM音频数据编码为Opus格式
"""
import array
import logging
import traceback
import numpy as np
from typing import List, Optional
from opuslib import Encoder
from opuslib import constants
class OpusEncoderUtils:
"""PCM到Opus的编码器"""
def __init__(self, sample_rate: int, channels: int, frame_size_ms: int):
"""
初始化Opus编码器
Args:
sample_rate: 采样率 (Hz)
channels: 通道数 (1=单声道, 2=立体声)
frame_size_ms: 帧大小 (毫秒)
"""
self.sample_rate = sample_rate
self.channels = channels
self.frame_size_ms = frame_size_ms
# 计算每帧样本数 = 采样率 * 帧大小(毫秒) / 1000
self.frame_size = (sample_rate * frame_size_ms) // 1000
# 总帧大小 = 每帧样本数 * 通道数
self.total_frame_size = self.frame_size * channels
# 比特率和复杂度设置
self.bitrate = 24000 # bps
self.complexity = 10 # 最高质量
# 缓冲区初始化为空
self.buffer = np.array([], dtype=np.int16)
try:
# 创建Opus编码器
self.encoder = Encoder(
sample_rate,
channels,
constants.APPLICATION_AUDIO # 音频优化模式
)
self.encoder.bitrate = self.bitrate
self.encoder.complexity = self.complexity
self.encoder.signal = constants.SIGNAL_VOICE # 语音信号优化
except Exception as e:
logging.error(f"初始化Opus编码器失败: {e}")
raise RuntimeError("初始化失败") from e
def reset_state(self):
"""重置编码器状态"""
self.encoder.reset_state()
self.buffer = np.array([], dtype=np.int16)
def encode_pcm_to_opus(self, pcm_data: bytes, end_of_stream: bool) -> List[bytes]:
"""
将PCM数据编码为Opus格式
Args:
pcm_data: PCM字节数据
end_of_stream: 是否为流的结束
Returns:
Opus数据包列表
"""
# 将字节数据转换为short数组
new_samples = self._convert_bytes_to_shorts(pcm_data)
# 校验PCM数据
self._validate_pcm_data(new_samples)
# 将新数据追加到缓冲区
self.buffer = np.append(self.buffer, new_samples)
opus_packets = []
offset = 0
# 处理所有完整帧
while offset <= len(self.buffer) - self.total_frame_size:
frame = self.buffer[offset:offset + self.total_frame_size]
output = self._encode(frame)
if output:
opus_packets.append(output)
offset += self.total_frame_size
# 保留未处理的样本
self.buffer = self.buffer[offset:]
# 流结束时处理剩余数据
if end_of_stream and len(self.buffer) > 0:
# 创建最后一帧并用0填充
last_frame = np.zeros(self.total_frame_size, dtype=np.int16)
last_frame[:len(self.buffer)] = self.buffer
output = self._encode(last_frame)
if output:
opus_packets.append(output)
self.buffer = np.array([], dtype=np.int16)
return opus_packets
def _encode(self, frame: np.ndarray) -> Optional[bytes]:
"""编码一帧音频数据"""
try:
# 将numpy数组转换为bytes
frame_bytes = frame.tobytes()
# opuslib要求输入字节数必须是channels*2的倍数
encoded = self.encoder.encode(frame_bytes, self.frame_size)
return encoded
except Exception as e:
logging.error(f"Opus编码失败: {e}")
traceback.print_exc()
return None
def _convert_bytes_to_shorts(self, bytes_data: bytes) -> np.ndarray:
"""将字节数组转换为short数组 (16位PCM)"""
# 假设输入是小端字节序的16位PCM
return np.frombuffer(bytes_data, dtype=np.int16)
def _validate_pcm_data(self, pcm_shorts: np.ndarray) -> None:
"""验证PCM数据是否有效"""
# 16位PCM数据范围是 -32768 到 32767
if np.any((pcm_shorts < -32768) | (pcm_shorts > 32767)):
invalid_samples = pcm_shorts[(pcm_shorts < -32768) | (pcm_shorts > 32767)]
logging.warning(f"发现无效PCM样本: {invalid_samples[:5]}...")
# 在实际应用中可以选择裁剪而不是抛出异常
# np.clip(pcm_shorts, -32768, 32767, out=pcm_shorts)
def close(self):
"""关闭编码器并释放资源"""
# opuslib没有明确的关闭方法，Python的垃圾回收会处理
pass
main/xiaozhi-server/core/providers/tts/base.py
+8 -45
View File
@@ -16,6 +16,7 @@ import opuslib_next
from pydub import AudioSegment
from abc import ABC, abstractmethod
from core.utils import textUtils
from core.opus import opus_encoder_utils
import queue
from core.providers.tts.dto.dto import MsgType, TTSMessageDTO, SentenceType
@@ -33,6 +34,7 @@ class TTSProviderBase(ABC):
self.tts_audio_queue = queue.Queue()
self.enable_two_way = False
self.stop_event = threading.Event()
self.opus_encoder = opus_encoder_utils.OpusEncoderUtils(sample_rate=16000, channels=1, frame_size_ms=60)
self.tts_text_buff = []
self.punctuations = (
@@ -70,25 +72,18 @@ class TTSProviderBase(ABC):
)
tts_priority.start()
async def stop_listen_resource(self):
"""资源清理方法"""
self.stop_event.set()
self.tts_text_queue = None
self.tts_audio_queue = None
gc.collect() # 强制执行垃圾回收
async def close(self):
pass
self.stop_event
def _get_segment_text(self):
# 合并当前全部文本并处理未分割部分
full_text = "".join(self.tts_text_buff)
current_text = full_text[self.processed_chars :] # 从未处理的位置开始
current_text = full_text[self.processed_chars:] # 从未处理的位置开始
last_punct_pos = -1
for punct in self.punctuations:
pos = current_text.rfind(punct)
if (pos != -1 and last_punct_pos == -1) or (
pos != -1 and pos < last_punct_pos
pos != -1 and pos < last_punct_pos
):
last_punct_pos = pos
if last_punct_pos != -1:
@@ -118,7 +113,7 @@ class TTSProviderBase(ABC):
async def finish_session(self, session_id):
pass
def tts_one_sentence(self,conn, text, u_id=None):
def tts_one_sentence(self, conn, text, u_id=None):
if not u_id:
u_id = str(uuid.uuid4()).replace("-", "")
conn.u_id = u_id
@@ -214,7 +209,6 @@ class TTSProviderBase(ABC):
)
self.active_tasks.add(future)
if self.active_tasks:
async def wrap_future(future):
return await asyncio.wrap_future(future)
@@ -315,7 +309,7 @@ class TTSProviderBase(ABC):
# 按帧处理所有音频数据（包括最后一帧可能补零）
for i in range(0, len(raw_data), frame_size * 2): # 16bit=2bytes/sample
# 获取当前帧的二进制数据
chunk = raw_data[i : i + frame_size * 2]
chunk = raw_data[i: i + frame_size * 2]
# 如果最后一帧不足，补零
if len(chunk) < frame_size * 2:
@@ -341,36 +335,5 @@ class TTSProviderBase(ABC):
return audio
def wav_to_opus_data_audio_raw(self, raw_data_var, is_end=False):
raw_data = self.last_to_opus_raw + raw_data_var
self.last_to_opus_raw = b""
# 初始化Opus编码器
encoder = opuslib_next.Encoder(16000, 1, opuslib_next.APPLICATION_AUDIO)
# 编码参数
frame_duration = 60 # 60ms per frame
frame_size = int(16000 * frame_duration / 1000) # 960 samples/frame
opus_datas = []
# 按帧处理所有音频数据（包括最后一帧可能补零）
for i in range(0, len(raw_data), frame_size * 2): # 16bit=2bytes/sample
# 获取当前帧的二进制数据
chunk = raw_data[i : i + frame_size * 2]
# 如果最后一帧不足，补零
# 缓存记录一下
if len(chunk) < frame_size * 2 and not is_end:
logger.bind(tag=TAG).info("如果最后一帧不足,缓存记录一下")
self.last_to_opus_raw = chunk
break
if len(chunk) < frame_size * 2 and is_end:
logger.bind(tag=TAG).info("是最后一句了，补零")
chunk += b"\x00" * (frame_size * 2 - len(chunk))
# 转换为numpy数组处理
np_frame = np.frombuffer(chunk, dtype=np.int16)
# 编码Opus数据
opus_data = encoder.encode(np_frame.tobytes(), frame_size)
opus_datas.append(opus_data)
opus_datas = self.opus_encoder.encode_pcm_to_opus(raw_data_var, is_end)
return opus_datas
main/xiaozhi-server/core/providers/tts/huoshan.py
+3 -1
View File
@@ -356,6 +356,7 @@ class TTSProvider(TTSProviderBase):
await super().reset()
async def close(self):
super().close()
"""资源清理方法"""
await self.finish_connection()
await self.ws.close()
@@ -373,7 +374,7 @@ class TTSProvider(TTSProviderBase):
async def _start_monitor_tts_response(self):
chunk_total = b""
while True:
while not self.stop_event.is_set():
try:
msg = await self.ws.recv() # 确保 `recv()` 运行在同一个 event loop
res = self.parser_response(msg)
@@ -385,6 +386,7 @@ class TTSProvider(TTSProviderBase):
):
logger.bind(tag=TAG).info(f"推送数据到队列里面～～")
opus_datas = self.wav_to_opus_data_audio_raw(res.payload)
logger.bind(tag=TAG).info(f"推送数据到队列里面帧数～～{len(opus_datas)}")
self.tts_audio_queue.put(
TTSMessageDTO(
u_id=self.u_id,
main/xiaozhi-server/core/websocket_server.py
+18 -18
View File
@@ -12,7 +12,7 @@ class WebSocketServer:
def __init__(self, config: dict):
self.config = config
self.logger = setup_logging()
self._vad, self._asr, self._llm, self._tts, self._memory, self.intent = (
self._vad, self._asr, self._llm, self._memory, self.intent = (
self._create_processing_instances()
)
self.active_connections = set() # 添加全局连接记录
@@ -22,7 +22,7 @@ class WebSocketServer:
"Memory", "nomem"
) # 默认使用nomem
has_memory_cfg = (
self.config.get("Memory") and memory_cls_name in self.config["Memory"]
self.config.get("Memory") and memory_cls_name in self.config["Memory"]
)
memory_cfg = self.config["Memory"][memory_cls_name] if has_memory_cfg else {}
@@ -36,7 +36,7 @@ class WebSocketServer:
(
self.config["selected_module"]["ASR"]
if not "type"
in self.config["ASR"][self.config["selected_module"]["ASR"]]
in self.config["ASR"][self.config["selected_module"]["ASR"]]
else self.config["ASR"][self.config["selected_module"]["ASR"]][
"type"
]
@@ -48,31 +48,19 @@ class WebSocketServer:
(
self.config["selected_module"]["LLM"]
if not "type"
in self.config["LLM"][self.config["selected_module"]["LLM"]]
in self.config["LLM"][self.config["selected_module"]["LLM"]]
else self.config["LLM"][self.config["selected_module"]["LLM"]][
"type"
]
),
self.config["LLM"][self.config["selected_module"]["LLM"]],
),
tts.create_instance(
(
self.config["selected_module"]["TTS"]
if not "type"
in self.config["TTS"][self.config["selected_module"]["TTS"]]
else self.config["TTS"][self.config["selected_module"]["TTS"]][
"type"
]
),
self.config["TTS"][self.config["selected_module"]["TTS"]],
self.config["delete_audio"],
),
memory.create_instance(memory_cls_name, memory_cfg),
intent.create_instance(
(
self.config["selected_module"]["Intent"]
if not "type"
in self.config["Intent"][self.config["selected_module"]["Intent"]]
in self.config["Intent"][self.config["selected_module"]["Intent"]]
else self.config["Intent"][
self.config["selected_module"]["Intent"]
]["type"]
@@ -104,12 +92,24 @@ class WebSocketServer:
async def _handle_connection(self, websocket):
"""处理新连接，每次创建独立的ConnectionHandler"""
# 创建ConnectionHandler时传入当前server实例
_tts = tts.create_instance(
(
self.config["selected_module"]["TTS"]
if not "type"
in self.config["TTS"][self.config["selected_module"]["TTS"]]
else self.config["TTS"][self.config["selected_module"]["TTS"]][
"type"
]
),
self.config["TTS"][self.config["selected_module"]["TTS"]],
self.config["delete_audio"],
)
handler = ConnectionHandler(
self.config,
self._vad,
self._asr,
self._llm,
self._tts,
_tts,
self._memory,
self.intent,
)