iOS: Experiment with some improvements to automatic stream routing.

miniaudio.h

@@ -25995,8 +25995,19 @@ static ma_result ma_device__untrack__coreaudio(ma_device* pDevice)
         case AVAudioSessionRouteChangeReasonNewDeviceAvailable:
         {
         #if defined(MA_DEBUG_OUTPUT)
-            printf("[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonNewDeviceAvailable\n");
+            printf("[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonNewDeviceAvailable. inputNumberChannels=%d; outputNumberOfChannels=%d.\n", pSession.inputNumberOfChannels, pSession.outputNumberOfChannels);
         #endif
+
+            m_pDevice->sampleRate = (ma_uint32)pSession.sampleRate;
+
+            if (m_pDevice->type == ma_device_type_capture || m_pDevice->type == ma_device_type_duplex) {
+                m_pDevice->capture.internalChannels = (ma_uint32)pSession.inputNumberOfChannels;
+                ma_device__post_init_setup(m_pDevice, ma_device_type_capture);
+            }
+            if (m_pDevice->type == ma_device_type_playback || m_pDevice->type == ma_device_type_duplex) {
+                m_pDevice->playback.internalChannels = (ma_uint32)pSession.outputNumberOfChannels;
+                ma_device__post_init_setup(m_pDevice, ma_device_type_playback);
+            }
         } break;
 
         case AVAudioSessionRouteChangeReasonNoSuitableRouteForCategory:
@@ -26035,17 +26046,6 @@ static ma_result ma_device__untrack__coreaudio(ma_device* pDevice)
         #endif
         } break;
     }
-
-    m_pDevice->sampleRate = (ma_uint32)pSession.sampleRate;
-
-    if (m_pDevice->type == ma_device_type_capture || m_pDevice->type == ma_device_type_duplex) {
-        m_pDevice->capture.internalChannels = (ma_uint32)pSession.inputNumberOfChannels;
-        ma_device__post_init_setup(m_pDevice, ma_device_type_capture);
-    }
-    if (m_pDevice->type == ma_device_type_playback || m_pDevice->type == ma_device_type_duplex) {
-        m_pDevice->playback.internalChannels = (ma_uint32)pSession.outputNumberOfChannels;
-        ma_device__post_init_setup(m_pDevice, ma_device_type_playback);
-    }
 }
 @end
 #endif