424     bool isOk = true;  in doWork()  local
428         while (!hasSeenError() && isOk && !mSawInputEOS && frameCnt < frameLimit) {  in doWork()
432                     isOk = enqueueInput(element.bufferIndex);  in doWork()
435                     isOk = dequeueOutput(element.bufferIndex, &element.bufferInfo);  in doWork()
442         while (isOk && !mSawInputEOS && frameCnt < frameLimit) {  in doWork()
445                 isOk = dequeueOutput(oBufferID, &outInfo);  in doWork()
461                 isOk = enqueueInput(iBufferId);  in doWork()
470     return !hasSeenError() && isOk;  in doWork()
474     bool isOk = true;  in queueEOS()  local
476         if (!hasSeenError() && isOk && !mSawInputEOS) {  in queueEOS()
479                 isOk = enqueueEOS(element.bufferIndex);  in queueEOS()
486                 isOk = enqueueEOS(bufferIndex);  in queueEOS()
493     return !hasSeenError() && isOk;  in queueEOS()
497     bool isOk = true;  in waitForAllOutputs()  local
499         while (!hasSeenError() && isOk && !mSawOutputEOS) {  in waitForAllOutputs()
502                 isOk = dequeueOutput(element.bufferIndex, &element.bufferInfo);  in waitForAllOutputs()
510                 isOk = dequeueOutput(bufferID, &outInfo);  in waitForAllOutputs()
526     return !hasSeenError() && isOk;  in waitForAllOutputs()