From 28e40b33a7fbc70d1d882e159eadd29dfbcef0ef Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Thu, 5 May 2005 11:57:52 +0000
Subject: Add a comment regarding use of CoreAudio/AudioUnits v1 API

svn-id: r17916
---
 backends/midi/coreaudio.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'backends')

diff --git a/backends/midi/coreaudio.cpp b/backends/midi/coreaudio.cpp
index d885a1c2c9..b32fee88c1 100644
--- a/backends/midi/coreaudio.cpp
+++ b/backends/midi/coreaudio.cpp
@@ -62,7 +62,10 @@ int MidiDriver_CORE::open() {
 	ComponentDescription compdesc;
 	Component compid;
 
-	// Open the Music Device
+	// Open the Music Device.
+	// We use the AudioUnit v1 API, even though it is deprecated, because
+	// this way we stay compatible with older OS X versions.
+	// For v2, we'd use kAudioUnitType_MusicDevice and kAudioUnitSubType_DLSSynth
 	compdesc.componentType = kAudioUnitComponentType;
 	compdesc.componentSubType = kAudioUnitSubType_MusicDevice;
 	compdesc.componentManufacturer = kAudioUnitID_DLSSynth;
-- 
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