コード例 #1
0
ファイル: deblocking.cpp プロジェクト: alonewolf/openh264
void DeblockingInterMb (PDqLayer pCurDqLayer, PDeblockingFilter  pFilter, uint8_t nBS[2][4][4],
                          int32_t iBoundryFlag) {
  int32_t iMbXyIndex = pCurDqLayer->iMbXyIndex;
  int32_t iMbX = pCurDqLayer->iMbX;
  int32_t iMbY = pCurDqLayer->iMbY;

  int32_t iCurLumaQp = pCurDqLayer->pLumaQp[iMbXyIndex];
  int32_t iCurChromaQp = pCurDqLayer->pChromaQp[iMbXyIndex];
  int32_t iLineSize   = pFilter->iCsStride[0];
  int32_t iLineSizeUV = pFilter->iCsStride[1];

  uint8_t* pDestY, * pDestCb, * pDestCr;
  pDestY  = pFilter->pCsData[0] + ((iMbY * iLineSize + iMbX) << 4);
  pDestCb = pFilter->pCsData[1] + ((iMbY * iLineSizeUV + iMbX) << 3);
  pDestCr = pFilter->pCsData[2] + ((iMbY * iLineSizeUV + iMbX) << 3);

  if (iBoundryFlag & LEFT_FLAG_MASK) {
    int32_t iLeftXyIndex = iMbXyIndex - 1;
    pFilter->iLumaQP   = (iCurLumaQp + pCurDqLayer->pLumaQp[iLeftXyIndex] + 1) >> 1;
    pFilter->iChromaQP = (iCurChromaQp + pCurDqLayer->pChromaQp[iLeftXyIndex] + 1) >> 1;

    if (nBS[0][0][0] == 0x04) {
      FilteringEdgeLumaIntraV (pFilter, pDestY, iLineSize, NULL);
      FilteringEdgeChromaIntraV (pFilter, pDestCb, pDestCr, iLineSizeUV, NULL);
    } else {
      if (* (uint32_t*)nBS[0][0] != 0) {
        FilteringEdgeLumaV (pFilter, pDestY, iLineSize, nBS[0][0]);
        FilteringEdgeChromaV (pFilter, pDestCb, pDestCr, iLineSizeUV, nBS[0][0]);
      }
    }
  }
コード例 #2
0
ファイル: deblocking.cpp プロジェクト: 0819gh/openh264
void DeblockingInterMb (DeblockingFunc* pfDeblocking, SMB* pCurMb, SDeblockingFilter* pFilter, uint8_t uiBS[2][4][4]) {
  int8_t iCurLumaQp   = pCurMb->uiLumaQp;
  int8_t iCurChromaQp = pCurMb->uiChromaQp;
  int32_t iLineSize     = pFilter->iCsStride[0];
  int32_t iLineSizeUV   = pFilter->iCsStride[1];
  int32_t iMbStride    = pFilter->iMbStride;

  int32_t iMbX = pCurMb->iMbX;
  int32_t iMbY = pCurMb->iMbY;

  bool bLeftBsValid[2] = { (iMbX > 0), ((iMbX > 0) && (pCurMb->uiSliceIdc == (pCurMb - 1)->uiSliceIdc))};
  bool bTopBsValid[2]  = { (iMbY > 0), ((iMbY > 0) && (pCurMb->uiSliceIdc == (pCurMb - iMbStride)->uiSliceIdc))};

  int32_t iLeftFlag = bLeftBsValid[pFilter->uiFilterIdc];
  int32_t iTopFlag  = bTopBsValid[pFilter->uiFilterIdc];

  uint8_t* pDestY, *pDestCb, *pDestCr;
  pDestY  = pFilter->pCsData[0];
  pDestCb = pFilter->pCsData[1];
  pDestCr = pFilter->pCsData[2];

  if (iLeftFlag) {
    pFilter->uiLumaQP   = (iCurLumaQp + (pCurMb - 1)->uiLumaQp + 1) >> 1;
    pFilter->uiChromaQP = (iCurChromaQp + (pCurMb - 1)->uiChromaQp + 1) >> 1;

    if (uiBS[0][0][0] == 0x04) {
      FilteringEdgeLumaIntraV (pfDeblocking, pFilter, pDestY, iLineSize , NULL);
      FilteringEdgeChromaIntraV (pfDeblocking, pFilter, pDestCb, pDestCr, iLineSizeUV, NULL);
    } else {
      if (* (uint32_t*)uiBS[0][0] != 0) {
        FilteringEdgeLumaV (pfDeblocking, pFilter, pDestY, iLineSize, uiBS[0][0]);
        FilteringEdgeChromaV (pfDeblocking, pFilter, pDestCb, pDestCr, iLineSizeUV, uiBS[0][0]);
      }
    }
  }

  pFilter->uiLumaQP = iCurLumaQp;
  pFilter->uiChromaQP = iCurChromaQp;

  if (* (uint32_t*)uiBS[0][1] != 0) {
    FilteringEdgeLumaV (pfDeblocking, pFilter, &pDestY[1 << 2], iLineSize, uiBS[0][1]);
  }

  if (* (uint32_t*)uiBS[0][2] != 0) {
    FilteringEdgeLumaV (pfDeblocking, pFilter, &pDestY[2 << 2], iLineSize, uiBS[0][2]);
    FilteringEdgeChromaV (pfDeblocking, pFilter, &pDestCb[2 << 1], &pDestCr[2 << 1], iLineSizeUV, uiBS[0][2]);
  }

  if (* (uint32_t*)uiBS[0][3] != 0) {
    FilteringEdgeLumaV (pfDeblocking, pFilter, &pDestY[3 << 2], iLineSize, uiBS[0][3]);
  }

  if (iTopFlag) {
    pFilter->uiLumaQP = (iCurLumaQp + (pCurMb - iMbStride)->uiLumaQp + 1) >> 1;
    pFilter->uiChromaQP = (iCurChromaQp + (pCurMb - iMbStride)->uiChromaQp + 1) >> 1;

    if (uiBS[1][0][0] == 0x04) {
      FilteringEdgeLumaIntraH (pfDeblocking, pFilter, pDestY, iLineSize , NULL);
      FilteringEdgeChromaIntraH (pfDeblocking, pFilter, pDestCb, pDestCr, iLineSizeUV, NULL);
    } else {
      if (* (uint32_t*)uiBS[1][0] != 0) {
        FilteringEdgeLumaH (pfDeblocking, pFilter, pDestY, iLineSize, uiBS[1][0]);
        FilteringEdgeChromaH (pfDeblocking, pFilter, pDestCb, pDestCr, iLineSizeUV, uiBS[1][0]);
      }
    }
  }

  pFilter->uiLumaQP = iCurLumaQp;
  pFilter->uiChromaQP = iCurChromaQp;

  if (* (uint32_t*)uiBS[1][1] != 0) {
    FilteringEdgeLumaH (pfDeblocking, pFilter, &pDestY[ (1 << 2)*iLineSize], iLineSize, uiBS[1][1]);
  }

  if (* (uint32_t*)uiBS[1][2] != 0) {
    FilteringEdgeLumaH (pfDeblocking, pFilter, &pDestY[ (2 << 2)*iLineSize], iLineSize, uiBS[1][2]);
    FilteringEdgeChromaH (pfDeblocking, pFilter, &pDestCb[ (2 << 1)*iLineSizeUV], &pDestCr[ (2 << 1)*iLineSizeUV],
                          iLineSizeUV, uiBS[1][2]);
  }

  if (* (uint32_t*)uiBS[1][3] != 0) {
    FilteringEdgeLumaH (pfDeblocking, pFilter, &pDestY[ (3 << 2)*iLineSize], iLineSize, uiBS[1][3]);
  }
}