transports: don't write/read if microphone/speaker not enabled

src/dailyai/transports/daily_transport.py

@@ -120,8 +120,7 @@ class DailyTransport(ThreadedTransport, EventHandler):
             raise e
 
     def _webrtc_vad_analyze(self):
-        buffer = self.read_audio_frames(
-            int(self._vad_samples))
+        buffer = self.read_audio_frames(int(self._vad_samples))
         if len(buffer) > 0:
             confidence = self.webrtc_vad.analyze_frames(buffer)
             # yeses = int(confidence * 20.0)

src/dailyai/transports/local_transport.py

@@ -48,13 +48,16 @@ class LocalTransport(ThreadedTransport):
             )
 
     def write_frame_to_mic(self, frame: bytes):
-        self._audio_stream.write(frame)
+        if self._mic_enabled:
+            self._audio_stream.write(frame)
 
     def read_frames(self, desired_frame_count):
-        bytes = self._speaker_stream.read(
-            desired_frame_count,
-            exception_on_overflow=False,
-        )
+        bytes = b""
+        if self._speaker_enabled:
+            bytes = self._speaker_stream.read(
+                desired_frame_count,
+                exception_on_overflow=False,
+            )
         return bytes
 
     def _prerun(self):