updates

drb-edge-node/app/internal/call_recorder.py

@@ -27,15 +27,13 @@ class CallRecorder:
         self._current_file = self._recordings_dir / f"{ts}_{call_id}.mp3"
         self._current_call_id = call_id
 
-        # Read from the Icecast stream. burst-size=0 in icecast config ensures
-        # each new connection starts at the live position with no buffered data.
-        stream_url = f"http://{settings.icecast_host}:{settings.icecast_port}{settings.icecast_mount}"
+        # Record from PulseAudio (drb_sink.monitor, set as the default source).
+        # PulseAudio is the primary audio path — it has ~250ms latency vs 2-5s for Icecast,
+        # so recordings align with OP25 call_start/call_end events.
         cmd = [
             "ffmpeg", "-y",
-            "-reconnect", "1",
-            "-reconnect_streamed", "1",
-            "-reconnect_delay_max", "5",
-            "-i", stream_url,
+            "-f", "pulse",
+            "-i", "default",
             "-acodec", "libmp3lame",
             "-ar", "22050",
             "-b:a", "32k",

drb-edge-node/app/internal/discord_radio.py

@@ -101,11 +101,11 @@ class RadioBot:
     def _play_stream(self):
         if not self._voice_client:
             return
-        from app.config import settings
-        stream_url = f"http://{settings.icecast_host}:{settings.icecast_port}{settings.icecast_mount}"
+        # Stream from PulseAudio (drb_sink.monitor, the default source).
+        # ~250ms latency vs 2-5s for Icecast — stays in sync with live transmissions.
         source = discord.FFmpegPCMAudio(
-            stream_url,
-            before_options="-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5 -probesize 32 -analyzeduration 0 -fflags nobuffer",
+            "default",
+            before_options="-f pulse",
         )
         self._voice_client.play(
             discord.PCMVolumeTransformer(source, volume=1.0),