opensl_initialization.cpp

class SL {
	SLObjectItf engineObject = nullptr;
	SLEngineItf engineEngine = nullptr;
	SLObjectItf outputMixObject = nullptr;
public:
	SL() {
		SLHandleError(slCreateEngine(&engineObject, 0, nullptr, 0, nullptr, nullptr));
		SLCall(engineObject, Realize, SL_BOOLEAN_FALSE);
		SLCall(engineObject, GetInterface, SL_IID_ENGINE, &engineEngine);
		SLInterfaceID ids = SL_IID_ENVIRONMENTALREVERB;
		SLboolean req = SL_BOOLEAN_FALSE;
		SLCall(engineEngine, CreateOutputMix, &outputMixObject, 1, &ids, &req);
		SLCall(outputMixObject, Realize, SL_BOOLEAN_FALSE);
	}
	~SL() {
		SafeDestroy(outputMixObject);
		SafeDestroy(engineObject);
		engineEngine = nullptr;
	}
	SLEngineItf GetEngine(){ return engineEngine; }
	SLObjectItf GetOutputMixObject() { return outputMixObject; }
};

static SL sl;