From 41fc905e8c86f70f7d5eb0f95a279ef9a5f7c70c Mon Sep 17 00:00:00 2001
From: Terry MacDonald <terry.macdonald@cosive.com>
Date: Mon, 7 Dec 2020 21:11:51 +1300
Subject: [PATCH] Skip audio change if same audio device

Only perform an audio device change if the
audio device is a different one.
---
 DisplayMagician/ShortcutRepository.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/DisplayMagician/ShortcutRepository.cs b/DisplayMagician/ShortcutRepository.cs
index f1f0966..cabafb9 100644
--- a/DisplayMagician/ShortcutRepository.cs
+++ b/DisplayMagician/ShortcutRepository.cs
@@ -447,8 +447,12 @@ namespace DisplayMagician
             }
 
             // record the old audio device
+            bool needToChangeAudio = false;
             CoreAudioDevice rollbackAudioDevice = _audioController.DefaultPlaybackDevice;
             double rollbackAudioVolume = _audioController.DefaultPlaybackDevice.Volume;
+            if (!rollbackAudioDevice.FullName.Equals(shortcutToUse.AudioDevice))
+                needToChangeAudio = true;
+
 
             // Change Audio Device (if one specified)
             if (shortcutToUse.ChangeAudioDevice)
@@ -835,7 +839,7 @@ namespace DisplayMagician
             }
 
             // Change Audio Device back (if one specified)
-            if (shortcutToUse.ChangeAudioDevice)
+            if (needToChangeAudio)
             {
                 // use the Audio Device
                 rollbackAudioDevice.SetAsDefault();