33 BluetoothAvInterface* g_interface = nullptr;  variable
52     if (!g_interface) {                                                \
66     observer.ConnectionStateCallback(g_interface, bd_addr, state);  in SourceConnectionStateCallback()
75     observer.AudioStateCallback(g_interface, bd_addr, state);  in SourceAudioStateCallback()
86     observer.AudioConfigCallback(g_interface, bd_addr, codec_config,  in SourceAudioConfigCallback()
97     if (!observer.MandatoryCodecPreferredCallback(g_interface, bd_addr))  in SourceMandatoryCodecPreferredCallback()
108     observer.ConnectionStateCallback(g_interface, bd_addr, state);  in SinkConnectionStateCallback()
117     observer.AudioStateCallback(g_interface, bd_addr, state);  in SinkAudioStateCallback()
126     observer.AudioConfigCallback(g_interface, bd_addr, sample_rate,  in SinkAudioConfigCallback()
284   CHECK(g_interface);  in GetA2dpSourceObservers()
285   return static_cast<BluetoothAvInterfaceImpl*>(g_interface)  in GetA2dpSourceObservers()
291   CHECK(g_interface);  in GetA2dpSinkObservers()
292   return static_cast<BluetoothAvInterfaceImpl*>(g_interface)->sink_observers();  in GetA2dpSinkObservers()
345   CHECK(!g_interface);  in Initialize()
353   g_interface = impl.release();  in Initialize()
360   CHECK(g_interface);  in CleanUp()
362   delete g_interface;  in CleanUp()
363   g_interface = nullptr;  in CleanUp()
369   return g_interface != nullptr;  in IsInitialized()
377   CHECK(!g_interface);  in InitializeForTesting()
379   g_interface = test_instance;  in InitializeForTesting()
385   CHECK(g_interface);  in Get()
386   return g_interface;  in Get()