Audio bitrate multiplier now works correctly for 8+ channels

Author: n00mkrad

ff-utils-winforms/Forms/MainForm.Designer.cs

@@ -243,5 +243,10 @@ private void tabList_SelectedIndexChanged(object sender, EventArgs e)
             else
                 SaveConfig();
         }
+
+        private void encAudChannels_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            QuickConvertUi.AudEncoderSelected(encAudCodecBox.SelectedIndex);
+        }
     }
 }

ff-utils-winforms/Forms/MainForm.cs

@@ -97,6 +97,9 @@ public static void VidEncoderSelected(int index)
 
         public static void AudEncoderSelected(int index)
         {
+            if (index < 0)
+                return;
+
             CodecUtils.AudioCodec c = (CodecUtils.AudioCodec)index;
             IEncoder enc = CodecUtils.GetCodec(c);
 

ff-utils-winforms/UI/Tasks/QuickConvertUi.cs

@@ -58,19 +58,21 @@ public static Fraction GetFpsFromString (string str)
 
         public static float GetAudioBitrateMultiplier(int channels)
         {
+            float mult = 1f;
+
             if (channels == 1) // Mono
-                return 0.5f;
+                mult = 0.5f;
 
             if (channels == 2) // Stereo
-                return 1f;
+                mult = 1f;
 
             if (channels > 4) // 5.1, etc
-                return 2f;
+                mult = 2f;
 
             if (channels > 6) // 6.1, 7.1, etc
-                return 2.25f;
+                mult = 2.5f;
 
-            return 1f;
+            return mult;
         }
     }
 }