36     SLresult result;  in main()  local
40     result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL);  in main()
41     assert(SL_RESULT_SUCCESS == result);  in main()
43     result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE);  in main()
44     assert(SL_RESULT_SUCCESS == result);  in main()
45     result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine);  in main()
46     assert(SL_RESULT_SUCCESS == result);  in main()
50     result = (*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, 0, NULL, NULL);  in main()
51     assert(SL_RESULT_SUCCESS == result);  in main()
55     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_DYNAMICINTERFACEMANAGEMENT,  in main()
57     assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);  in main()
61     result = (*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE);  in main()
62     assert(SL_RESULT_SUCCESS == result);  in main()
65     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_DYNAMICINTERFACEMANAGEMENT,  in main()
67     assert(SL_RESULT_SUCCESS == result);  in main()
71     result = (*outputMixDIM)->RegisterCallback(outputMixDIM, NULL, NULL);  in main()
72     assert(SL_RESULT_SUCCESS == result);  in main()
76     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,  in main()
78     assert(SL_RESULT_FEATURE_UNSUPPORTED == result);  in main()
82     result = (*outputMixDIM)->ResumeInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB,  in main()
84     assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);  in main()
87     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,  in main()
89     assert(SL_RESULT_FEATURE_UNSUPPORTED == result);  in main()
93     result = (*outputMixDIM)->AddInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB,  in main()
95     assert(SL_RESULT_SUCCESS == result);  in main()
98     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,  in main()
100     assert(SL_RESULT_SUCCESS == result);  in main()
104     result = (*outputMixDIM)->AddInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB,  in main()
106     assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);  in main()
109     result = (*outputMixDIM)->ResumeInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB,  in main()
111     assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);  in main()
114     result = (*outputMixDIM)->RemoveInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB);  in main()
115     assert((SL_RESULT_SUCCESS == result) || (SL_RESULT_FEATURE_UNSUPPORTED == result));  in main()
118     if (SL_RESULT_SUCCESS == result) {  in main()
119         result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,  in main()
121         assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);  in main()
123         result = (*outputMixDIM)->RemoveInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB);  in main()
124         assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);  in main()
125         result = (*outputMixDIM)->AddInterface(outputMixDIM, SL_IID_ENVIRONMENTALREVERB,  in main()
127         assert(SL_RESULT_SUCCESS == result);  in main()
128         result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,  in main()
130         assert(SL_RESULT_SUCCESS == result);  in main()
136     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_PLAY, &outputMixPlay);  in main()
137     assert(SL_RESULT_FEATURE_UNSUPPORTED == result);  in main()
141     result = (*outputMixDIM)->AddInterface(outputMixDIM, SL_IID_PLAY, SL_BOOLEAN_FALSE);  in main()
142     assert(SL_RESULT_FEATURE_UNSUPPORTED == result);  in main()
145     result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_PLAY, &outputMixPlay);  in main()
146     assert(SL_RESULT_FEATURE_UNSUPPORTED == result);  in main()