Merge branch 'pipecat-ai:main' into main

CHANGELOG.md

@@ -5,6 +5,19 @@ All notable changes to **Pipecat** will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Fixed
+
+- Fixed an issue with `GoogleSTTService` where it was constantly reconnecting 
+  before starting to receive audio from the user.
+
+- Fixed an issue where `GoogleLLMService`'s TTFB value was incorrect.
+
+### Other
+
+- Rename `14e-function-calling-gemini.py` to `14e-function-calling-google.py`.
+
 ## [0.0.71] - 2025-06-10
 
 ### Added

src/pipecat/services/google/llm.py

@@ -555,10 +555,11 @@ class GoogleLLMService(LLMService):
                 contents=messages,
                 config=generation_config,
             )
-            await self.stop_ttfb_metrics()
 
             function_calls = []
             async for chunk in response:
+                # Stop TTFB metrics after the first chunk
+                await self.stop_ttfb_metrics()
                 if chunk.usage_metadata:
                     prompt_tokens += chunk.usage_metadata.prompt_token_count or 0
                     completion_tokens += chunk.usage_metadata.candidates_token_count or 0

src/pipecat/services/google/stt.py

@@ -747,6 +747,11 @@ class GoogleSTTService(STTService):
         try:
             while True:
                 try:
+                    if self._request_queue.empty():
+                        # wait for 10ms in case we don't have audio
+                        await asyncio.sleep(0.01)
+                        continue
+
                     # Start bi-directional streaming
                     streaming_recognize = await self._client.streaming_recognize(
                         requests=self._request_generator()