Function openSLDestroyEngine

src/android/openslesSource.cpp:979–1006

close the OpenSL IO and destroy the audio engine

// close the OpenSL IO and destroy the audio engine
void openSLDestroyEngine(opensl_stream2 *p) {
  // destroy buffer queue audio player object, and invalidate all associated interfaces
  if (p->bqPlayerObject != NULL) {
    (*p->bqPlayerObject)->Destroy(p->bqPlayerObject);
    p->bqPlayerObject = NULL;
    p->bqPlayerPlay = NULL;
    p->bqPlayerBufferQueue = NULL;
    p->bqPlayerEffectSend = NULL;
  }
  // destroy audio recorder object, and invalidate all associated interfaces
  if (p->recorderObject != NULL) {
    (*p->recorderObject)->Destroy(p->recorderObject);
    p->recorderObject = NULL;
    p->recorderRecord = NULL;
    p->recorderBufferQueue = NULL;
  }
  // destroy output mix object, and invalidate all associated interfaces
  if (p->outputMixObject != NULL) {
    (*p->outputMixObject)->Destroy(p->outputMixObject);
    p->outputMixObject = NULL;
  }
  // destroy engine object, and invalidate all associated interfaces
  if (p->engineObject != NULL) {
    (*p->engineObject)->Destroy(p->engineObject);
    p->engineObject = NULL;
    p->engineEngine = NULL;
  }
}

// this callback handler is called every time a buffer finishes recording
void bqRecorderCallback(SLAndroidSimpleBufferQueueItf bq, void *context) {