iOS: fix/enable coreaudio microphone driver

audio/audio_driver.c

@@ -231,7 +231,7 @@ microphone_driver_t *microphone_drivers[] = {
 #ifdef HAVE_PIPEWIRE
       &microphone_pipewire,
 #endif
-#ifdef HAVE_COREAUDIO
+#if defined(HAVE_COREAUDIO) && IOS
       &microphone_coreaudio,
 #endif
       &microphone_null,

audio/drivers_microphone/coreaudio_mic.m

@@ -208,6 +208,7 @@ static void *coreaudio_microphone_open_mic(void *driver_context,
         rate = 48000;
     }
 
+#if TARGET_OS_IPHONE
     /// Configure audio session
     AVAudioSession *audioSession = [AVAudioSession sharedInstance];
     NSError *error = nil;
@@ -232,6 +233,9 @@ static void *coreaudio_microphone_open_mic(void *driver_context,
     microphone->sample_rate = (int)actualRate;
 
     RARCH_LOG("[CoreAudio] Using sample rate: %d Hz\n", microphone->sample_rate);
+#else
+
+#endif
 
     /// Set format using helper method
     coreaudio_microphone_set_format(microphone, false); /// Default to 16-bit integer

griffin/griffin.c

@@ -890,9 +890,6 @@ AUDIO
 #include "../gfx/drivers_context/sdl_gl_ctx.c"
 #ifdef HAVE_MICROPHONE
 #include "../audio/drivers_microphone/sdl_microphone.c"
-#ifdef HAVE_COREAUDIO
-#include "../audio/drivers_microphone/coreaudio_mic.m"
-#endif
 #endif
 #endif
 

griffin/griffin_objc.m

@@ -61,6 +61,10 @@
 #include "../audio/drivers/coreaudio3.m"
 #endif
 
+#if defined(HAVE_COREAUDIO) && defined(HAVE_MICROPHONE)
+#include "../audio/drivers_microphone/coreaudio_mic.m"
+#endif
+
 #ifdef HAVE_CORELOCATION
 #include "../location/drivers/corelocation.m"
 #endif