update:智控台添加免费流式TTS(linkerai)

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

@@ -37,6 +37,7 @@ class TTSProviderBase(ABC):
         self.tts_text_queue = queue.Queue()
         self.tts_audio_queue = queue.Queue()
         self.tts_audio_first_sentence = True
+        self.before_stop_play_files = []
 
         self.tts_text_buff = []
         self.punctuations = (
@@ -324,6 +325,14 @@ class TTSProviderBase(ABC):
             os.remove(tts_file)
         return audio_datas
 
+    def _process_before_stop_play_files(self):
+        for tts_file, text in self.before_stop_play_files:
+            if tts_file and os.path.exists(tts_file):
+                audio_datas = self._process_audio_file(tts_file)
+                self.tts_audio_queue.put((SentenceType.MIDDLE, audio_datas, text))
+        self.before_stop_play_files.clear()
+        self.tts_audio_queue.put((SentenceType.LAST, [], None))
+
     def _process_remaining_text(self):
         """处理剩余的文本并生成语音