Better handle mono devices/sink inputs

1 files changed, 14 insertions, 8 deletions

diff --git a/inter.py b/inter.py
index 9d44062..5abd210 100644
--- a/inter.py
+++ b/inter.py
@@ -91,7 +91,7 @@ def mainloop():
                 thing = get_selected()
                 kind = "sink" if type(thing) == pa.Sink else "input"
                 vol = thing.volume()
-                if vol[0] != vol[1]:
+                if len(vol) >= 2 and vol[0] != vol[1]:
                     show_message(
                         "Warning: current volume of this " + kind + " is asymmetric!")
 
@@ -140,7 +140,8 @@ def mainloop():
                 T.bel()
                 continue
 
-            vol = sum(thing.volume()) / 2
+            vol = thing.volume()
+            vol = sum(vol) / len(vol)
             vol = min(1, max(0, vol + incr))
             wrap_pacmd(lambda: thing.set_volume(vol))
 
@@ -249,13 +250,18 @@ def print_prefix(thing, selected):
         T.tprint("  ")
 
 def fmt_volume(vol):
-    res = ["", ""]
-    for i in range(2):
-        res[i] = str(round(100 * vol[i])) + "%"
-    if vol[0] == vol[1]:
-        return res[0]
+    res = [str(round(100 * value)) + "%" for value in vol]
+    if len(vol) > 2:
+        return res[0] + "/" + res[1] + " (? len(vol)==" + str(len(vol)) + ")"
+    elif len(vol) == 2:
+        if vol[0] == vol[1]:
+            return res[0]
+        else:
+            return res[0] + "/" + res[1]
+    elif len(vol) == 1:
+        return res[0] + " (mono)"
     else:
-        return res[0] + "/" + res[1]
+        return "? (len(vol)==0)"
 
 def print_volume(thing):
     T.setfg(6)