273                     IBufferQueue *bufferQueue = &track->mAudioPlayer->mBufferQueue;  in IOutputMixExt_FillBuffer()  local
274                     interface_lock_exclusive(bufferQueue);  in IOutputMixExt_FillBuffer()
276                     oldFront = bufferQueue->mFront;  in IOutputMixExt_FillBuffer()
277                     rear = bufferQueue->mRear;  in IOutputMixExt_FillBuffer()
281                     if (++newFront == &bufferQueue->mArray[bufferQueue->mNumBuffers + 1]) {  in IOutputMixExt_FillBuffer()
282                         newFront = bufferQueue->mArray;  in IOutputMixExt_FillBuffer()
284                     bufferQueue->mFront = (BufferHeader *) newFront;  in IOutputMixExt_FillBuffer()
285                     assert(0 < bufferQueue->mState.count);  in IOutputMixExt_FillBuffer()
286                     --bufferQueue->mState.count;  in IOutputMixExt_FillBuffer()
290                         assert(0 < bufferQueue->mState.count);  in IOutputMixExt_FillBuffer()
296                     ++bufferQueue->mState.playIndex;  in IOutputMixExt_FillBuffer()
297                     slBufferQueueCallback callback = bufferQueue->mCallback;  in IOutputMixExt_FillBuffer()
298                     void *context = bufferQueue->mContext;  in IOutputMixExt_FillBuffer()
299                     interface_unlock_exclusive(bufferQueue);  in IOutputMixExt_FillBuffer()
302                         (*callback)((SLBufferQueueItf) bufferQueue, context);  in IOutputMixExt_FillBuffer()