Merge pull request #2246 from ydlamba/ydlamba/missing-livekit-event

fix(livekit): emit on_audio_track_subscribed event

CHANGELOG.md

@@ -68,6 +68,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   it was only meant to do that when there were no "regular" (non-function-call)
   messages in the context, to ensure that inference would run properly.
 
+- Fixed an issue in `LiveKitTransport` where the `on_audio_track_subscribed` was never emitted.
+
 ## [0.0.76] - 2025-07-11
 
 ### Added

src/pipecat/transports/services/livekit.py

@@ -439,6 +439,7 @@ class LiveKitTransportClient:
                 self._process_audio_stream(audio_stream, participant.sid),
                 f"{self}::_process_audio_stream",
             )
+            await self._callbacks.on_audio_track_subscribed(participant.sid)
 
     async def _async_on_track_unsubscribed(
         self,