Add support for gender and google_style inputs to Google TTS

src/pipecat/frames/frames.py

@@ -558,6 +558,8 @@ class TTSUpdateSettingsFrame(ControlFrame):
     style: Optional[str] = None
     style_degree: Optional[str] = None
     role: Optional[str] = None
+    gender: Optional[str] = None
+    google_style: Optional[str] = None
 
 
 @dataclass

src/pipecat/services/ai_services.py

@@ -235,6 +235,14 @@ class TTSService(AIService):
     async def flush_audio(self):
         pass
 
+    @abstractmethod
+    async def set_gender(self, gender: str):
+        pass
+
+    @abstractmethod
+    async def set_google_style(self, google_style: str):
+        pass
+
     # Converts the text to audio.
     @abstractmethod
     async def run_tts(self, text: str) -> AsyncGenerator[Frame, None]:

src/pipecat/services/google.py

@@ -272,7 +272,7 @@ class GoogleTTSService(TTSService):
         logger.debug(f"Switch TTS gender to [{gender}]")
         self._params.gender = gender
 
-    async def google_style(
+    async def set_google_style(
         self, google_style: Literal["apologetic", "calm", "empathetic", "firm", "lively"]
     ) -> None:
         logger.debug(f"Switching TTS google style to: [{google_style}]")