From afe1f0df8c5be7754c029f4b4e1dfc47867b0fcc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Conchillo=20Flaqu=C3=A9?= <aleix@daily.co>
Date: Thu, 1 May 2025 05:15:54 -0700
Subject: [PATCH] DailyTransport: make sure we can write audio frames to
 destination

---
 src/pipecat/transports/services/daily.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pipecat/transports/services/daily.py b/src/pipecat/transports/services/daily.py
index 33e9d37ea..844a801c5 100644
--- a/src/pipecat/transports/services/daily.py
+++ b/src/pipecat/transports/services/daily.py
@@ -392,10 +392,11 @@ class DailyTransportClient(EventHandler):
         future = self._get_event_loop().create_future()
         if not destination and self._mic:
             self._mic.write_frames(frames, completion=completion_callback(future))
-        elif destination:
+        elif destination and destination in self._audio_sources:
             source = self._audio_sources[destination]
             source.write_frames(frames, completion=completion_callback(future))
         else:
+            logger.warning(f"{self} unable to write audio frames to destination [{destination}]")
             future.set_result(None)
         await future