C++ (Cpp) QueryEmptyThread примеры использования

Пример #1

Файл: wels_task_encoder.cpp Проект: otronarp/openh264

WelsErrorType CWelsSliceEncodingTask::InitTask() {
  m_eNalType          = m_pCtx->eNalType;
  m_eNalRefIdc        = m_pCtx->eNalPriority;
  m_bNeedPrefix       = m_pCtx->bNeedPrefixNalFlag;

  WelsMutexLock (&m_pCtx->pSliceThreading->mutexThreadBsBufferUsage);
  m_iThreadIdx = QueryEmptyThread (m_pCtx->pSliceThreading->bThreadBsBufferUsage);
  WelsMutexUnlock (&m_pCtx->pSliceThreading->mutexThreadBsBufferUsage);

  WelsLog (&m_pCtx->sLogCtx, WELS_LOG_DEBUG,
           "[MT] CWelsSliceEncodingTask()InitTask for m_iSliceIdx %d, lock thread %d",
           m_iSliceIdx, m_iThreadIdx);
  if (m_iThreadIdx < 0) {
    WelsLog (&m_pCtx->sLogCtx, WELS_LOG_WARNING,
             "[MT] CWelsSliceEncodingTask InitTask(), Cannot find available thread for m_iSliceIdx = %d", m_iSliceIdx);
    return ENC_RETURN_UNEXPECTED;
  }
  SetOneSliceBsBufferUnderMultithread (m_pCtx, m_iThreadIdx, m_iSliceIdx);

  m_pSlice = &m_pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[m_iSliceIdx];
  m_pSliceBs = &m_pCtx->pSliceBs[m_iSliceIdx];

  m_pSliceBs->uiBsPos       = 0;
  m_pSliceBs->iNalIndex     = 0;

  assert ((void*) (&m_pSliceBs->sBsWrite) == (void*)m_pSlice->pSliceBsa);
  InitBits (&m_pSliceBs->sBsWrite, m_pSliceBs->pBsBuffer, m_pSliceBs->uiSize);
  //printf ("CWelsSliceEncodingTask_InitTask slice %d\n", m_iSliceIdx);

  return ENC_RETURN_SUCCESS;
}

Пример #2

Файл: wels_task_encoder.cpp Проект: liyupengsGit/openh264

WelsErrorType CWelsSliceEncodingTask::InitTask() {
  m_eNalType          = m_pCtx->eNalType;
  m_eNalRefIdc        = m_pCtx->eNalPriority;
  m_bNeedPrefix       = m_pCtx->bNeedPrefixNalFlag;

  WelsMutexLock (&m_pCtx->pSliceThreading->mutexThreadBsBufferUsage);
  m_iThreadIdx = QueryEmptyThread (m_pCtx->pSliceThreading->bThreadBsBufferUsage);
  WelsMutexUnlock (&m_pCtx->pSliceThreading->mutexThreadBsBufferUsage);

  WelsLog (&m_pCtx->sLogCtx, WELS_LOG_DEBUG,
           "[MT] CWelsSliceEncodingTask()InitTask for m_iSliceIdx %d, lock thread %d",
           m_iSliceIdx, m_iThreadIdx);
  if (m_iThreadIdx < 0) {
    WelsLog (&m_pCtx->sLogCtx, WELS_LOG_WARNING,
             "[MT] CWelsSliceEncodingTask InitTask(), Cannot find available thread for m_iSliceIdx = %d", m_iSliceIdx);
    return ENC_RETURN_UNEXPECTED;
  }

  int32_t iReturn = InitOneSliceInThread (m_pCtx, m_pSlice, m_iThreadIdx, m_pCtx->uiDependencyId, m_iSliceIdx);
  WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
  m_pSliceBs = &m_pSlice->sSliceBs;

  iReturn   = SetSliceBoundaryInfo(m_pCtx->pCurDqLayer, m_pSlice, m_iSliceIdx);
  WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)

  SetOneSliceBsBufferUnderMultithread (m_pCtx, m_iThreadIdx, m_pSlice);

  assert ((void*) (&m_pSliceBs->sBsWrite) == (void*)m_pSlice->pSliceBsa);
  InitBits (&m_pSliceBs->sBsWrite, m_pSliceBs->pBsBuffer, m_pSliceBs->uiSize);
  //printf ("CWelsSliceEncodingTask_InitTask slice %d\n", m_iSliceIdx);

  return ENC_RETURN_SUCCESS;
}