Merge pull request #2538 from rimelabs/rime-flush-audio-update

Use Rime’s official {"operation": "flush"} command in flush_audio() for proper text buffer flushing

CHANGELOG.md

@@ -51,6 +51,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `pipecat.frames.frames.KeypadEntry` is deprecated and has been moved to
   `pipecat.audio.dtmf.types.KeypadEntry`.
 
+- Updated `RimeTTSService`'s flush_audio message to conform with Rime's official API.
+
 ## Removed
 
 - Remove `StopInterruptionFrame`. This was a legacy frame that was not being

src/pipecat/services/rime/tts.py

@@ -323,7 +323,7 @@ class RimeTTSService(AudioContextWordTTSService):
             return
 
         logger.trace(f"{self}: flushing audio")
-        await self._get_websocket().send(json.dumps({"text": " "}))
+        await self._get_websocket().send(json.dumps({"operation": "flush"}))
         self._context_id = None
 
     async def _receive_messages(self):