Fixes to SDL audio renderer and autodetection support

app/streaming/session.hpp

@@ -54,6 +54,8 @@ private:
 
     int detectAudioConfiguration();
 
+    void cleanupAudioRendererOnMainThread();
+
     bool testAudio(int audioConfiguration);
 
     void getWindowDimensions(int& x, int& y,
@@ -124,6 +126,7 @@ private:
     short m_OpusDecodeBuffer[MAX_CHANNELS * SAMPLES_PER_FRAME];
     IAudioRenderer* m_AudioRenderer;
     OPUS_MULTISTREAM_CONFIGURATION m_AudioConfig;
+    SDL_SpinLock m_AudioRendererLock;
 
     static AUDIO_RENDERER_CALLBACKS k_AudioCallbacks;
     static CONNECTION_LISTENER_CALLBACKS k_ConnCallbacks;