Function PrefetchPic

codec/decoder/core/src/pic_queue.cpp:184–217

  }
}
PPicture PrefetchPic (PPicBuff pPicBuf) {
  int32_t iPicIdx = 0;
  PPicture pPic  = NULL;

  if (pPicBuf->iCapacity == 0) {
    return NULL;
  }

  for (iPicIdx = pPicBuf->iCurrentIdx + 1; iPicIdx < pPicBuf->iCapacity ; ++iPicIdx) {
    if (pPicBuf->ppPic[iPicIdx] != NULL && !pPicBuf->ppPic[iPicIdx]->bUsedAsRef
        && pPicBuf->ppPic[iPicIdx]->iRefCount <= 0) {
      pPic = pPicBuf->ppPic[iPicIdx];
      break;
    }
  }
  if (pPic != NULL) {
    pPicBuf->iCurrentIdx = iPicIdx;
    pPic->iPicBuffIdx = iPicIdx;
    return pPic;
  }
  for (iPicIdx = 0 ; iPicIdx <= pPicBuf->iCurrentIdx ; ++iPicIdx) {
    if (pPicBuf->ppPic[iPicIdx] != NULL && !pPicBuf->ppPic[iPicIdx]->bUsedAsRef
        && pPicBuf->ppPic[iPicIdx]->iRefCount <= 0) {
      pPic = pPicBuf->ppPic[iPicIdx];
      break;
    }
  }

  pPicBuf->iCurrentIdx = iPicIdx;
  if (pPic != NULL) {
    pPic->iPicBuffIdx = iPicIdx;
  }
  return pPic;
}

PPicture PrefetchPicForThread (PPicBuff pPicBuf) {
  PPicture pPic = NULL;