From 5a20743a03c05e1fdf35713874890e892c734676 Mon Sep 17 00:00:00 2001
From: David Reid <mackron@gmail.com>
Date: Sun, 11 Oct 2020 10:08:03 +1000
Subject: [PATCH] Core Audio: Fix a compilation warning.

---
 miniaudio.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/miniaudio.h b/miniaudio.h
index 853fd548..08f259e3 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -22828,7 +22828,14 @@ static ma_result ma_get_channel_map_from_AudioChannelLayout(AudioChannelLayout*
         Need to use the tag to determine the channel map. For now I'm just assuming a default channel map, but later on this should
         be updated to determine the mapping based on the tag.
         */
-        UInt32 channelCount = ma_min(AudioChannelLayoutTag_GetNumberOfChannels(pChannelLayout->mChannelLayoutTag), channelMapCap);
+        UInt32 channelCount;
+
+        /* Our channel map retrieval APIs below take 32-bit integers, so we'll want to clamp the channel map capacity. */
+        if (channelMapCap > 0xFFFFFFFF) {
+            channelMapCap = 0xFFFFFFFF;
+        }
+
+        channelCount = ma_min(AudioChannelLayoutTag_GetNumberOfChannels(pChannelLayout->mChannelLayoutTag), (UInt32)channelMapCap);
 
         switch (pChannelLayout->mChannelLayoutTag)
         {