From 275658b6db9129f56ca49f1a9a21ea898e0835a5 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Fri, 7 Sep 2018 23:01:17 -0700
Subject: [PATCH] Some suggested changes for iOS

---
 Alc/backends/coreaudio.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/Alc/backends/coreaudio.c b/Alc/backends/coreaudio.c
index 5945834c..adb01fa6 100644
--- a/Alc/backends/coreaudio.c
+++ b/Alc/backends/coreaudio.c
@@ -28,7 +28,6 @@
 #include "alu.h"
 #include "ringbuffer.h"
 
-#include <CoreServices/CoreServices.h>
 #include <unistd.h>
 #include <AudioUnit/AudioUnit.h>
 #include <AudioToolbox/AudioToolbox.h>
@@ -112,7 +111,11 @@ static ALCenum ALCcoreAudioPlayback_open(ALCcoreAudioPlayback *self, const ALCch
 
     /* open the default output unit */
     desc.componentType = kAudioUnitType_Output;
+#if TARGET_OS_IOS
+    desc.componentSubType = kAudioUnitSubType_RemoteIO;
+#else
     desc.componentSubType = kAudioUnitSubType_DefaultOutput;
+#endif
     desc.componentManufacturer = kAudioUnitManufacturer_Apple;
     desc.componentFlags = 0;
     desc.componentFlagsMask = 0;
@@ -451,7 +454,6 @@ static ALCenum ALCcoreAudioCapture_open(ALCcoreAudioCapture *self, const ALCchar
     AudioStreamBasicDescription outputFormat;     // The AudioUnit output format
     AURenderCallbackStruct input;
     AudioComponentDescription desc;
-    AudioDeviceID inputDevice;
     UInt32 outputFrameCount;
     UInt32 propertySize;
     AudioObjectPropertyAddress propertyAddress;
@@ -465,7 +467,11 @@ static ALCenum ALCcoreAudioCapture_open(ALCcoreAudioCapture *self, const ALCchar
         return ALC_INVALID_VALUE;
 
     desc.componentType = kAudioUnitType_Output;
+#if TARGET_OS_IOS
+    desc.componentSubType = kAudioUnitSubType_RemoteIO;
+#else
     desc.componentSubType = kAudioUnitSubType_HALOutput;
+#endif
     desc.componentManufacturer = kAudioUnitManufacturer_Apple;
     desc.componentFlags = 0;
     desc.componentFlagsMask = 0;
@@ -504,7 +510,9 @@ static ALCenum ALCcoreAudioCapture_open(ALCcoreAudioCapture *self, const ALCchar
         goto error;
     }
 
+#if !TARGET_OS_IOS
     // Get the default input device
+    AudioDeviceID inputDevice = kAudioDeviceUnknown;
 
     propertySize = sizeof(AudioDeviceID);
     propertyAddress.mSelector = kAudioHardwarePropertyDefaultInputDevice;
@@ -517,7 +525,6 @@ static ALCenum ALCcoreAudioCapture_open(ALCcoreAudioCapture *self, const ALCchar
         ERR("AudioObjectGetPropertyData failed\n");
         goto error;
     }
-
     if(inputDevice == kAudioDeviceUnknown)
     {
         ERR("No input device found\n");
@@ -531,6 +538,7 @@ static ALCenum ALCcoreAudioCapture_open(ALCcoreAudioCapture *self, const ALCchar
         ERR("AudioUnitSetProperty failed\n");
         goto error;
     }
+#endif
 
     // set capture callback
     input.inputProc = ALCcoreAudioCapture_RecordProc;