Added basic functionality

- gain
- mute
- mixer
- channel setup options
- keybinds and mousebinds
- focus behavior

encoding.py

@@ -63,12 +63,21 @@ def set_bitfield(word, val, position, length):
     return (word & mask << position) | val
 
 
+"""
+Special level calculation for main/ph outputs
+"""
 def level_to_db(val):
     return 6 + (val - 0xFF) / 2
 
+"""
+Special level calculation for main/ph outputs
+"""
+def db_to_level(val):
+    return int((val - 6) * 2) + 0xFF
 
-def fader_to_db(val):
-    return 6 + (abs(val) - 0xFF) / 2
+
+def db_to_fader(db):
+    return int(10 ** (db / 20) * 0x40000)
 
 
 def format_db(val, min_db=-120):
@@ -76,3 +85,9 @@ def format_db(val, min_db=-120):
         return '∞'
     else:
         return format(val, '.1f')
+
+def map_range(val, min_, max_, low, high):
+    return ((clamp(val, min_, max_) - min_) / (max_ - min_)) * (high - low) + low
+
+def clamp(val, low, high):
+    return max(min(val, high), low)