Switch listener streaming to MP3-only

server.py

@@ -17,7 +17,6 @@ import downloader
 # Relay State
 broadcast_state = {
     'active': False,
-    'mimeType': None,
 }
 listener_sids = set()
 dj_sids = set()
@@ -339,12 +338,7 @@ def stop_broadcast_after_timeout():
 
 @dj_socketio.on('start_broadcast')
 def dj_start(data=None):
-    mime_type = None
-    if isinstance(data, dict):
-        mime_type = data.get('mimeType') or None
-
     broadcast_state['active'] = True
-    broadcast_state['mimeType'] = mime_type
     session['is_dj'] = True
     print("🎙️ Broadcast -> ACTIVE")
 
@@ -352,13 +346,10 @@ def dj_start(data=None):
     
     listener_socketio.emit('broadcast_started', namespace='/')
     listener_socketio.emit('stream_status', {'active': True}, namespace='/')
-    if mime_type:
-        listener_socketio.emit('stream_mime', {'mimeType': mime_type}, namespace='/')
 
 @dj_socketio.on('stop_broadcast')
 def dj_stop():
     broadcast_state['active'] = False
-    broadcast_state['mimeType'] = None
     session['is_dj'] = False
     print("🛑 DJ stopped broadcasting")
 
@@ -369,9 +360,8 @@ def dj_stop():
 
 @dj_socketio.on('audio_chunk')
 def dj_audio(data):
-    # Relay audio chunk to all listeners immediately
+    # MP3-only mode: do not relay raw chunks to listeners; feed transcoder only.
     if broadcast_state['active']:
-        listener_socketio.emit('audio_data', data, namespace='/')
         # Ensure MP3 fallback transcoder is running (if ffmpeg is installed)
         if _ffmpeg_proc is None or _ffmpeg_proc.poll() is not None:
             _start_transcoder_if_needed()
@@ -417,8 +407,6 @@ def listener_join():
         dj_socketio.emit('listener_count', {'count': count}, namespace='/')
     
     emit('stream_status', {'active': broadcast_state['active']})
-    if broadcast_state.get('mimeType'):
-        emit('stream_mime', {'mimeType': broadcast_state['mimeType']})
 
 @listener_socketio.on('get_listener_count')
 def listener_get_count():