From 715dc6d19909a107b378d35cd6b6f8d30a6a9378 Mon Sep 17 00:00:00 2001
From: Alex Man <alex-the-man@users.noreply.github.com>
Date: Sat, 26 Dec 2020 22:58:50 -0800
Subject: [PATCH] Fix coreaudio module not detecting changes of the default
 audio device.

---
 src/coreaudio.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/coreaudio.c b/src/coreaudio.c
index 5cee4fc..00c6d2d 100644
--- a/src/coreaudio.c
+++ b/src/coreaudio.c
@@ -145,6 +145,12 @@ static void destroy_ca(struct SoundIoPrivate *si) {
     };
     AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &prop_address, on_devices_changed, si);
 
+    prop_address.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
+    AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &prop_address, on_devices_changed, si);
+
+    prop_address.mSelector = kAudioHardwarePropertyDefaultInputDevice;
+    AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &prop_address, on_devices_changed, si);
+
     prop_address.mSelector = kAudioHardwarePropertyServiceRestarted;
     AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &prop_address, on_service_restarted, si);
 
@@ -1446,6 +1452,22 @@ int soundio_coreaudio_init(struct SoundIoPrivate *si) {
         return SoundIoErrorSystemResources;
     }
 
+    prop_address.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
+    if ((err = AudioObjectAddPropertyListener(kAudioObjectSystemObject, &prop_address,
+        on_devices_changed, si)))
+    {
+        destroy_ca(si);
+        return SoundIoErrorSystemResources;
+    }
+
+    prop_address.mSelector = kAudioHardwarePropertyDefaultInputDevice;
+    if ((err = AudioObjectAddPropertyListener(kAudioObjectSystemObject, &prop_address,
+        on_devices_changed, si)))
+    {
+        destroy_ca(si);
+        return SoundIoErrorSystemResources;
+    }
+
     prop_address.mSelector = kAudioHardwarePropertyServiceRestarted;
     if ((err = AudioObjectAddPropertyListener(kAudioObjectSystemObject, &prop_address,
         on_service_restarted, si)))