bl00mbox callbacks/weak references/backend rewrite

python_payload/st3m/ui/mixer.py

@@ -5,12 +5,9 @@ import media
 
 
 def recall_blm_channel_stats(blm_chan):
-    print(blm_chan)
     if blm_chan.free:
-        print("wha-!")
         return
     if blm_chan.name in session_channel_vol_mute:
-        print("whee")
         chan = bl00mboxChannel(bl00mbox.SysChannel(blm_chan))
         vol, mute = session_channel_vol_mute[chan.get_name()]
         if mute:
@@ -185,11 +182,8 @@ class AudioMixer(Responder):
 
     def _refresh(self):
         self._chans = [mediaChannel()]
-        for c in bl00mbox.active_channels():
+        for c in bl00mbox.Sys.collect_channels(True):
             chan = bl00mboxChannel(c)
-            if not chan.blm.free and (
-                chan.blm.foreground or chan.blm.background_mute_override
-            ):
             chan.prev_compute_rms = chan.blm.compute_rms
             chan.blm.compute_rms = True
             self._chans += [chan]

sim/fakes/bl00mbox.py

@@ -29,12 +29,16 @@ class _mock(list):
         return _mock()
 
 
-def all_channels():
-    yield Channel(0)
-
-
-def active_channels():
-    yield Channel(0)
+class Sys:
+    @staticmethod
+    def collect_channels(active):
+        if False:
+            yield None
+
+    @staticmethod
+    def collect_active_callbacks():
+        if False:
+            yield None
 
 
 class Channel: