Merge pull request #223 from pipecat-ai/aleix/fix-lower-vad-stop-secs

processors: fix LLMResponseAggregator with lower VAD values

CHANGELOG.md

@@ -17,6 +17,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue that would cause LLM aggregator to fail with small
+  `VADParams.stop_secs` values.
+
 - Fixed an issue where `BaseOutputTransport` would send longer audio frames
   preventing interruptions.
 

src/pipecat/processors/aggregators/llm_response.py

@@ -71,7 +71,8 @@ def role(self):
     #    S I T E -> X
     #    S I E T -> X
     #  S I E I T -> X
-    #
+    #      S E T -> X
+    #    S E I T -> X
     # The following case would not be supported:
     #
     #    S I E T1 I T2 -> X
@@ -96,7 +97,7 @@ async def process_frame(self, frame: Frame, direction: FrameDirection):
             # We might have received the end frame but we might still be
             # aggregating (i.e. we have seen interim results but not the final
             # text).
-            self._aggregating = self._seen_interim_results
+            self._aggregating = self._seen_interim_results or len(self._aggregation) == 0
 
             # Send the aggregation if we are not aggregating anymore (i.e. no
             # more interim results received).