mergin main，速度提升一下

main/xiaozhi-server/core/providers/tts/base.py

@@ -14,7 +14,7 @@ logger = setup_logging()
 class TTSProviderBase(ABC):
     def __init__(self, config, delete_audio_file):
         self.delete_audio_file = delete_audio_file
-        self.output_file = config.get("output_file")
+        self.output_file = config.get("output_dir")
 
     @abstractmethod
     def generate_filename(self):
@@ -35,7 +35,7 @@ class TTSProviderBase(ABC):
 
             return tmp_file
         except Exception as e:
-            logger.bind(tag=TAG).info(f": {e}")
+            logger.bind(tag=TAG).info(f"Failed to generate TTS file: {e}")
             return None
 
     def to_tts_stream(self, text, queue: queue.Queue, text_index=0):
@@ -52,19 +52,20 @@ class TTSProviderBase(ABC):
     async def text_to_speak_stream(self, text, queue: queue.Queue, text_index=0):
         raise Exception("该TTS还没有实现stream模式")
 
-    def wav_to_opus_data(self, wav_file_path):
-        # 使用pydub加载PCM文件
+    def audio_to_opus_data(self, audio_file_path):
+        """音频文件转换为Opus编码"""
         # 获取文件后缀名
-        file_type = os.path.splitext(wav_file_path)[1]
+        file_type = os.path.splitext(audio_file_path)[1]
         if file_type:
             file_type = file_type.lstrip('.')
-        audio = AudioSegment.from_file(wav_file_path, format=file_type)
+        audio = AudioSegment.from_file(audio_file_path, format=file_type)
 
+        # 转换为单声道/16kHz采样率/16位小端编码（确保与编码器匹配）
+        audio = audio.set_channels(1).set_frame_rate(16000).set_sample_width(2)
+
+        # 音频时长(秒)
         duration = len(audio) / 1000.0
 
-        # 转换为单声道和16kHz采样率（确保与编码器匹配）
-        audio = audio.set_channels(1).set_frame_rate(16000)
-
         # 获取原始PCM数据（16位小端）
         raw_data = audio.raw_data