From 65a82e9cdcd77e9ea5e78146eb412419970557c3 Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Fri, 16 Mar 2018 11:42:06 +0100
Subject: [PATCH] Fix #4462: Fallback typedef for AudioFormatID on MacOS <
 10.10

---
 channels/audin/client/mac/audin_mac.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/channels/audin/client/mac/audin_mac.c b/channels/audin/client/mac/audin_mac.c
index 5a18ca2ea..2fee27060 100644
--- a/channels/audin/client/mac/audin_mac.c
+++ b/channels/audin/client/mac/audin_mac.c
@@ -49,6 +49,13 @@
 #define MAC_AUDIO_QUEUE_NUM_BUFFERS     100
 #define MAC_AUDIO_QUEUE_BUFFER_SIZE     32768
 
+/* Fix for #4462: Provide type alias if not declared (Mac OS < 10.10)
+ * https://developer.apple.com/documentation/coreaudio/audioformatid
+ */
+#ifndef AudioFormatID
+typedef UInt32 AudioFormatID;
+#endif
+
 typedef struct _AudinMacDevice
 {
 	IAudinDevice iface;