[x265] replace g_rasterToPelX[g_zscanToRaster[idx]] by g_zscanToPelX[idx]

Steve Borho steve at borho.org
Mon Aug 25 19:16:46 CEST 2014


On 08/25, Satoshi Nakagawa wrote:
> # HG changeset patch
> # User Satoshi Nakagawa <nakagawa424 at oki.com>
> # Date 1408956792 -32400
> #      Mon Aug 25 17:53:12 2014 +0900
> # Node ID 7145e57c722a94a06faec33e3041442032a1892f
> # Parent  6e6756f94b27c3ef30f6159f1880112a7ff978e3
> replace g_rasterToPelX[g_zscanToRaster[idx]] by g_zscanToPelX[idx]

Queued for default, thanks.

There seems to be a lot of logic that checks for 'inside picture
bounds'. It seems like we could save a lot of CPU cycles if we padded
input pictures to the max-ctu size instead of the min-ctu size and
adjusted the conformance window accordingly.

> diff -r 6e6756f94b27 -r 7145e57c722a source/Lib/TLibCommon/TComDataCU.cpp
> --- a/source/Lib/TLibCommon/TComDataCU.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/Lib/TLibCommon/TComDataCU.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -816,12 +816,12 @@
>  
>  TComDataCU* TComDataCU::getPUAboveRight(uint32_t& arPartUnitIdx, uint32_t curPartUnitIdx)
>  {
> +    if ((m_pic->getCU(m_cuAddr)->getCUPelX() + g_zscanToPelX[curPartUnitIdx] + UNIT_SIZE) >= m_slice->m_sps->picWidthInLumaSamples)
> +        return NULL;
> +
>      uint32_t absPartIdxRT    = g_zscanToRaster[curPartUnitIdx];
>      uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
>  
> -    if ((m_pic->getCU(m_cuAddr)->getCUPelX() + g_rasterToPelX[absPartIdxRT] + UNIT_SIZE) >= m_slice->m_sps->picWidthInLumaSamples)
> -        return NULL;
> -
>      if (RasterAddress::lessThanCol(absPartIdxRT, numPartInCUSize - 1, numPartInCUSize))
>      {
>          if (!RasterAddress::isZeroRow(absPartIdxRT, numPartInCUSize))
> @@ -857,14 +857,11 @@
>  
>  TComDataCU* TComDataCU::getPUBelowLeft(uint32_t& blPartUnitIdx, uint32_t curPartUnitIdx)
>  {
> -    uint32_t absPartIdxLB     = g_zscanToRaster[curPartUnitIdx];
> +    if ((m_pic->getCU(m_cuAddr)->getCUPelY() + g_zscanToPelY[curPartUnitIdx] + UNIT_SIZE) >= m_slice->m_sps->picHeightInLumaSamples)
> +        return NULL;
>  
> -    if ((m_pic->getCU(m_cuAddr)->getCUPelY() + g_rasterToPelY[absPartIdxLB] + UNIT_SIZE) >= m_slice->m_sps->picHeightInLumaSamples)
> -    {
> -        return NULL;
> -    }
> -
> -    uint32_t numPartInCUSize  = m_pic->getNumPartInCUSize();
> +    uint32_t absPartIdxLB    = g_zscanToRaster[curPartUnitIdx];
> +    uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
>  
>      if (RasterAddress::lessThanRow(absPartIdxLB, numPartInCUSize - 1, numPartInCUSize))
>      {
> @@ -895,15 +892,14 @@
>  
>  TComDataCU* TComDataCU::getPUBelowLeftAdi(uint32_t& blPartUnitIdx,  uint32_t curPartUnitIdx, uint32_t partUnitOffset)
>  {
> -    uint32_t absPartIdxLB     = g_zscanToRaster[curPartUnitIdx];
> -
> -    if ((m_pic->getCU(m_cuAddr)->getCUPelY() + g_rasterToPelY[absPartIdxLB] + (partUnitOffset << LOG2_UNIT_SIZE)) >=
> +    if ((m_pic->getCU(m_cuAddr)->getCUPelY() + g_zscanToPelY[curPartUnitIdx] + (partUnitOffset << LOG2_UNIT_SIZE)) >=
>          m_slice->m_sps->picHeightInLumaSamples)
>      {
>          return NULL;
>      }
>  
> -    uint32_t numPartInCUSize  = m_pic->getNumPartInCUSize();
> +    uint32_t absPartIdxLB    = g_zscanToRaster[curPartUnitIdx];
> +    uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
>  
>      if (RasterAddress::lessThanRow(absPartIdxLB, numPartInCUSize - partUnitOffset, numPartInCUSize))
>      {
> @@ -938,14 +934,13 @@
>  
>  TComDataCU* TComDataCU::getPUAboveRightAdi(uint32_t& arPartUnitIdx, uint32_t curPartUnitIdx, uint32_t partUnitOffset)
>  {
> -    uint32_t absPartIdxRT    = g_zscanToRaster[curPartUnitIdx];
> -
> -    if ((m_pic->getCU(m_cuAddr)->getCUPelX() + g_rasterToPelX[absPartIdxRT] + (partUnitOffset << LOG2_UNIT_SIZE)) >=
> +    if ((m_pic->getCU(m_cuAddr)->getCUPelX() + g_zscanToPelX[curPartUnitIdx] + (partUnitOffset << LOG2_UNIT_SIZE)) >=
>          m_slice->m_sps->picWidthInLumaSamples)
>      {
>          return NULL;
>      }
>  
> +    uint32_t absPartIdxRT    = g_zscanToRaster[curPartUnitIdx];
>      uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
>  
>      if (RasterAddress::lessThanCol(absPartIdxRT, numPartInCUSize - partUnitOffset, numPartInCUSize))
> @@ -954,7 +949,7 @@
>          {
>              if (curPartUnitIdx > g_rasterToZscan[absPartIdxRT - numPartInCUSize + partUnitOffset])
>              {
> -                uint32_t absZorderCUIdx  = g_zscanToRaster[m_absIdxInLCU] + (1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1;
> +                uint32_t absZorderCUIdx = g_zscanToRaster[m_absIdxInLCU] + (1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1;
>                  arPartUnitIdx = g_rasterToZscan[absPartIdxRT - numPartInCUSize + partUnitOffset];
>                  if (RasterAddress::isEqualRowOrCol(absPartIdxRT, absZorderCUIdx, numPartInCUSize))
>                  {
> @@ -1817,48 +1812,42 @@
>      }
>      // TMVP always enabled
>      {
> -        //>> MTK colocated-RightBottom
> +        MV colmv;
>          uint32_t partIdxRB;
>  
>          deriveRightBottomIdx(puIdx, partIdxRB);
>  
> -        uint32_t absPartIdxTmp = g_zscanToRaster[partIdxRB];
> -        uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
> -
> -        MV colmv;
> -        int refIdx;
>          int lcuIdx = -1;
>  
> -        if ((m_pic->getCU(m_cuAddr)->getCUPelX() + g_rasterToPelX[absPartIdxTmp] + UNIT_SIZE) >= m_slice->m_sps->picWidthInLumaSamples)  // image boundary check
> +        // image boundary check
> +        if (m_pic->getCU(m_cuAddr)->getCUPelX() + g_zscanToPelX[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picWidthInLumaSamples &&
> +            m_pic->getCU(m_cuAddr)->getCUPelY() + g_zscanToPelY[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picHeightInLumaSamples)
>          {
> -        }
> -        else if ((m_pic->getCU(m_cuAddr)->getCUPelY() + g_rasterToPelY[absPartIdxTmp] + UNIT_SIZE) >= m_slice->m_sps->picHeightInLumaSamples)
> -        {
> -        }
> -        else
> -        {
> -            if ((absPartIdxTmp % numPartInCUSize < numPartInCUSize - 1) &&        // is not at the last column of LCU
> -                (absPartIdxTmp / numPartInCUSize < numPartInCUSize - 1)) // is not at the last row    of LCU
> +            uint32_t absPartIdxRB = g_zscanToRaster[partIdxRB];
> +            uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
> +            bool bNotLastCol = RasterAddress::lessThanCol(absPartIdxRB, numPartInCUSize - 1, numPartInCUSize); // is not at the last column of LCU
> +            bool bNotLastRow = RasterAddress::lessThanRow(absPartIdxRB, numPartInCUSize - 1, numPartInCUSize); // is not at the last row    of LCU
> +
> +            if (bNotLastCol && bNotLastRow)
>              {
> -                absPartAddr = g_rasterToZscan[absPartIdxTmp + numPartInCUSize + 1];
> +                absPartAddr = g_rasterToZscan[absPartIdxRB + numPartInCUSize + 1];
>                  lcuIdx = getAddr();
>              }
> -            else if (absPartIdxTmp % numPartInCUSize < numPartInCUSize - 1)       // is not at the last column of LCU But is last row of LCU
> -                absPartAddr = g_rasterToZscan[(absPartIdxTmp + numPartInCUSize + 1) % m_pic->getNumPartInCU()];
> -            else if (absPartIdxTmp / numPartInCUSize < numPartInCUSize - 1) // is not at the last row of LCU But is last column of LCU
> +            else if (bNotLastCol)
> +                absPartAddr = g_rasterToZscan[(absPartIdxRB + numPartInCUSize + 1) & (numPartInCUSize - 1)];
> +            else if (bNotLastRow)
>              {
> -                absPartAddr = g_rasterToZscan[absPartIdxTmp + 1];
> +                absPartAddr = g_rasterToZscan[absPartIdxRB + 1];
>                  lcuIdx = getAddr() + 1;
>              }
> -            else //is the right bottom corner of LCU
> +            else // is the right bottom corner of LCU
>                  absPartAddr = 0;
>          }
>  
> -        refIdx = 0;
> +        int refIdx = 0;
>          uint32_t partIdxCenter;
>          uint32_t curLCUIdx = getAddr();
>          int dir = 0;
> -        uint32_t arrayAddr = count;
>          xDeriveCenterIdx(puIdx, partIdxCenter);
>          bool bExistMV = lcuIdx >= 0 && xGetColMVP(REF_PIC_LIST_0, lcuIdx, absPartAddr, colmv, refIdx);
>          if (!bExistMV)
> @@ -1866,7 +1855,7 @@
>          if (bExistMV)
>          {
>              dir |= 1;
> -            mvFieldNeighbours[arrayAddr][0].setMvField(colmv, refIdx);
> +            mvFieldNeighbours[count][0].setMvField(colmv, refIdx);
>          }
>  
>          if (isInterB)
> @@ -1878,13 +1867,13 @@
>              if (bExistMV)
>              {
>                  dir |= 2;
> -                mvFieldNeighbours[arrayAddr][1].setMvField(colmv, refIdx);
> +                mvFieldNeighbours[count][1].setMvField(colmv, refIdx);
>              }
>          }
>  
>          if (dir != 0)
>          {
> -            interDirNeighbours[arrayAddr] = dir;
> +            interDirNeighbours[count] = dir;
>  
>              count++;
>          
> @@ -1893,8 +1882,6 @@
>          }
>      }
>  
> -    uint32_t arrayAddr = count;
> -
>      if (isInterB)
>      {
>          const uint32_t cutoff = count * (count - 1);
> @@ -1917,13 +1904,13 @@
>                  int refPOCL1 = m_slice->m_refPOCList[1][refIdxL1];
>                  if (!(refPOCL0 == refPOCL1 && mvFieldNeighbours[i][0].mv == mvFieldNeighbours[j][1].mv))
>                  {
> -                    mvFieldNeighbours[arrayAddr][0].setMvField(mvFieldNeighbours[i][0].mv, refIdxL0);
> -                    mvFieldNeighbours[arrayAddr][1].setMvField(mvFieldNeighbours[j][1].mv, refIdxL1);
> -                    interDirNeighbours[arrayAddr] = 3;
> +                    mvFieldNeighbours[count][0].setMvField(mvFieldNeighbours[i][0].mv, refIdxL0);
> +                    mvFieldNeighbours[count][1].setMvField(mvFieldNeighbours[j][1].mv, refIdxL1);
> +                    interDirNeighbours[count] = 3;
>  
> -                    arrayAddr++;
> +                    count++;
>  
> -                    if (arrayAddr == maxNumMergeCand)
> +                    if (count == maxNumMergeCand)
>                          return;
>                  }
>              }
> @@ -1932,18 +1919,18 @@
>      int numRefIdx = (isInterB) ? X265_MIN(m_slice->m_numRefIdx[0], m_slice->m_numRefIdx[1]) : m_slice->m_numRefIdx[0];
>      int r = 0;
>      int refcnt = 0;
> -    while (arrayAddr < maxNumMergeCand)
> +    while (count < maxNumMergeCand)
>      {
> -        interDirNeighbours[arrayAddr] = 1;
> -        mvFieldNeighbours[arrayAddr][0].setMvField(MV(0, 0), r);
> +        interDirNeighbours[count] = 1;
> +        mvFieldNeighbours[count][0].setMvField(MV(0, 0), r);
>  
>          if (isInterB)
>          {
> -            interDirNeighbours[arrayAddr] = 3;
> -            mvFieldNeighbours[arrayAddr][1].setMvField(MV(0, 0), r);
> +            interDirNeighbours[count] = 3;
> +            mvFieldNeighbours[count][1].setMvField(MV(0, 0), r);
>          }
>  
> -        arrayAddr++;
> +        count++;
>  
>          if (refcnt == numRefIdx - 1)
>              r = 0;
> @@ -2078,45 +2065,40 @@
>  
>      // TMVP always enabled
>      {
> -        // Get Temporal Motion Predictor
> -        int refIdxCol = refIdx;
> -        MV  colmv;
> +        uint32_t absPartAddr = m_absIdxInLCU + partAddr;
> +        MV colmv;
>          uint32_t partIdxRB;
> -        uint32_t absPartIdx;
> -        uint32_t absPartAddr;
>  
>          deriveRightBottomIdx(partIdx, partIdxRB);
> -        absPartAddr = m_absIdxInLCU + partAddr;
>  
>          //----  co-located RightBottom Temporal Predictor (H) ---//
> -        absPartIdx = g_zscanToRaster[partIdxRB];
>          int lcuIdx = -1;
> -        if ((m_pic->getCU(m_cuAddr)->getCUPelX() + g_rasterToPelX[absPartIdx] + UNIT_SIZE) >= m_slice->m_sps->picWidthInLumaSamples)  // image boundary check
> +
> +        // image boundary check
> +        if (m_pic->getCU(m_cuAddr)->getCUPelX() + g_zscanToPelX[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picWidthInLumaSamples &&
> +            m_pic->getCU(m_cuAddr)->getCUPelY() + g_zscanToPelY[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picHeightInLumaSamples)
>          {
> -        }
> -        else if ((m_pic->getCU(m_cuAddr)->getCUPelY() + g_rasterToPelY[absPartIdx] + UNIT_SIZE) >= m_slice->m_sps->picHeightInLumaSamples)
> -        {
> -        }
> -        else
> -        {
> +            uint32_t absPartIdxRB = g_zscanToRaster[partIdxRB];
>              uint32_t numPartInCUSize = m_pic->getNumPartInCUSize();
> -            if ((absPartIdx % numPartInCUSize < numPartInCUSize - 1) && // is not at the last column of LCU
> -                (absPartIdx / numPartInCUSize < numPartInCUSize - 1))   // is not at the last row    of LCU
> +            bool bNotLastCol = RasterAddress::lessThanCol(absPartIdxRB, numPartInCUSize - 1, numPartInCUSize); // is not at the last column of LCU
> +            bool bNotLastRow = RasterAddress::lessThanRow(absPartIdxRB, numPartInCUSize - 1, numPartInCUSize); // is not at the last row    of LCU
> +
> +            if (bNotLastCol && bNotLastRow)
>              {
> -                absPartAddr = g_rasterToZscan[absPartIdx + numPartInCUSize + 1];
> +                absPartAddr = g_rasterToZscan[absPartIdxRB + numPartInCUSize + 1];
>                  lcuIdx = getAddr();
>              }
> -            else if (absPartIdx % numPartInCUSize < numPartInCUSize - 1) // is not at the last column of LCU But is last row of LCU
> -                absPartAddr = g_rasterToZscan[(absPartIdx + numPartInCUSize + 1) % m_pic->getNumPartInCU()];
> -            else if (absPartIdx / numPartInCUSize < numPartInCUSize - 1) // is not at the last row of LCU But is last column of LCU
> +            else if (bNotLastCol)
> +                absPartAddr = g_rasterToZscan[(absPartIdxRB + numPartInCUSize + 1) & (numPartInCUSize - 1)];
> +            else if (bNotLastRow)
>              {
> -                absPartAddr = g_rasterToZscan[absPartIdx + 1];
> +                absPartAddr = g_rasterToZscan[absPartIdxRB + 1];
>                  lcuIdx = getAddr() + 1;
>              }
>              else // is the right bottom corner of LCU
>                  absPartAddr = 0;
>          }
> -        if (lcuIdx >= 0 && xGetColMVP(picList, lcuIdx, absPartAddr, colmv, refIdxCol))
> +        if (lcuIdx >= 0 && xGetColMVP(picList, lcuIdx, absPartAddr, colmv, refIdx))
>          {
>              amvpCand[num++] = colmv;
>              mvc[numMvc++] = colmv;
> @@ -2126,7 +2108,7 @@
>              uint32_t partIdxCenter;
>              uint32_t curLCUIdx = getAddr();
>              xDeriveCenterIdx(partIdx, partIdxCenter);
> -            if (xGetColMVP(picList, curLCUIdx, partIdxCenter, colmv, refIdxCol))
> +            if (xGetColMVP(picList, curLCUIdx, partIdxCenter, colmv, refIdx))
>              {
>                  amvpCand[num++] = colmv;
>                  mvc[numMvc++] = colmv;
> diff -r 6e6756f94b27 -r 7145e57c722a source/Lib/TLibCommon/TComRom.cpp
> --- a/source/Lib/TLibCommon/TComRom.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/Lib/TLibCommon/TComRom.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -117,8 +117,46 @@
>  uint32_t g_maxCUDepth    = NUM_CU_DEPTH - 1;
>  uint32_t g_zscanToRaster[MAX_NUM_SPU_W * MAX_NUM_SPU_W] = { 0, };
>  uint32_t g_rasterToZscan[MAX_NUM_SPU_W * MAX_NUM_SPU_W] = { 0, };
> -uint32_t g_rasterToPelX[MAX_NUM_SPU_W * MAX_NUM_SPU_W] = { 0, };
> -uint32_t g_rasterToPelY[MAX_NUM_SPU_W * MAX_NUM_SPU_W] = { 0, };
> +
> +const uint8_t g_zscanToPelX[MAX_NUM_SPU_W * MAX_NUM_SPU_W] =
> +{
> +    0, 4, 0, 4, 8, 12, 8, 12, 0, 4, 0, 4, 8, 12, 8, 12,
> +    16, 20, 16, 20, 24, 28, 24, 28, 16, 20, 16, 20, 24, 28, 24, 28,
> +    0, 4, 0, 4, 8, 12, 8, 12, 0, 4, 0, 4, 8, 12, 8, 12,
> +    16, 20, 16, 20, 24, 28, 24, 28, 16, 20, 16, 20, 24, 28, 24, 28,
> +    32, 36, 32, 36, 40, 44, 40, 44, 32, 36, 32, 36, 40, 44, 40, 44,
> +    48, 52, 48, 52, 56, 60, 56, 60, 48, 52, 48, 52, 56, 60, 56, 60,
> +    32, 36, 32, 36, 40, 44, 40, 44, 32, 36, 32, 36, 40, 44, 40, 44,
> +    48, 52, 48, 52, 56, 60, 56, 60, 48, 52, 48, 52, 56, 60, 56, 60,
> +    0, 4, 0, 4, 8, 12, 8, 12, 0, 4, 0, 4, 8, 12, 8, 12,
> +    16, 20, 16, 20, 24, 28, 24, 28, 16, 20, 16, 20, 24, 28, 24, 28,
> +    0, 4, 0, 4, 8, 12, 8, 12, 0, 4, 0, 4, 8, 12, 8, 12,
> +    16, 20, 16, 20, 24, 28, 24, 28, 16, 20, 16, 20, 24, 28, 24, 28,
> +    32, 36, 32, 36, 40, 44, 40, 44, 32, 36, 32, 36, 40, 44, 40, 44,
> +    48, 52, 48, 52, 56, 60, 56, 60, 48, 52, 48, 52, 56, 60, 56, 60,
> +    32, 36, 32, 36, 40, 44, 40, 44, 32, 36, 32, 36, 40, 44, 40, 44,
> +    48, 52, 48, 52, 56, 60, 56, 60, 48, 52, 48, 52, 56, 60, 56, 60
> +};
> +
> +const uint8_t g_zscanToPelY[MAX_NUM_SPU_W * MAX_NUM_SPU_W] =
> +{
> +    0, 0, 4, 4, 0, 0, 4, 4, 8, 8, 12, 12, 8, 8, 12, 12,
> +    0, 0, 4, 4, 0, 0, 4, 4, 8, 8, 12, 12, 8, 8, 12, 12,
> +    16, 16, 20, 20, 16, 16, 20, 20, 24, 24, 28, 28, 24, 24, 28, 28,
> +    16, 16, 20, 20, 16, 16, 20, 20, 24, 24, 28, 28, 24, 24, 28, 28,
> +    0, 0, 4, 4, 0, 0, 4, 4, 8, 8, 12, 12, 8, 8, 12, 12,
> +    0, 0, 4, 4, 0, 0, 4, 4, 8, 8, 12, 12, 8, 8, 12, 12,
> +    16, 16, 20, 20, 16, 16, 20, 20, 24, 24, 28, 28, 24, 24, 28, 28,
> +    16, 16, 20, 20, 16, 16, 20, 20, 24, 24, 28, 28, 24, 24, 28, 28,
> +    32, 32, 36, 36, 32, 32, 36, 36, 40, 40, 44, 44, 40, 40, 44, 44,
> +    32, 32, 36, 36, 32, 32, 36, 36, 40, 40, 44, 44, 40, 40, 44, 44,
> +    48, 48, 52, 52, 48, 48, 52, 52, 56, 56, 60, 60, 56, 56, 60, 60,
> +    48, 48, 52, 52, 48, 48, 52, 52, 56, 56, 60, 60, 56, 56, 60, 60,
> +    32, 32, 36, 36, 32, 32, 36, 36, 40, 40, 44, 44, 40, 40, 44, 44,
> +    32, 32, 36, 36, 32, 32, 36, 36, 40, 40, 44, 44, 40, 40, 44, 44,
> +    48, 48, 52, 52, 48, 48, 52, 52, 56, 56, 60, 60, 56, 56, 60, 60,
> +    48, 48, 52, 52, 48, 48, 52, 52, 56, 56, 60, 60, 56, 56, 60, 60
> +};
>  
>  const uint32_t g_puOffset[8] = { 0, 8, 4, 4, 2, 10, 1, 5 };
>  
> @@ -151,36 +189,6 @@
>      }
>  }
>  
> -void initRasterToPelXY(uint32_t maxFullDepth)
> -{
> -    uint32_t i;
> -
> -    uint32_t* tempX = &g_rasterToPelX[0];
> -    uint32_t* tempY = &g_rasterToPelY[0];
> -
> -    uint32_t numPartInCUSize = 1 << maxFullDepth;
> -    uint32_t numPartitions   = 1 << maxFullDepth * 2;
> -
> -    tempX[0] = 0;
> -    tempX++;
> -    for (i = 1; i < numPartInCUSize; i++)
> -    {
> -        tempX[0] = tempX[-1] + UNIT_SIZE;
> -        tempX++;
> -    }
> -
> -    for (i = 1; i < numPartInCUSize; i++)
> -    {
> -        memcpy(tempX, tempX - numPartInCUSize, sizeof(uint32_t) * numPartInCUSize);
> -        tempX += numPartInCUSize;
> -    }
> -
> -    for (i = 1; i < numPartitions; i++)
> -    {
> -        tempY[i] = (i >> maxFullDepth) * UNIT_SIZE;
> -    }
> -}
> -
>  const int16_t g_lumaFilter[4][NTAPS_LUMA] =
>  {
>      {  0, 0,   0, 64,  0,   0, 0,  0 },
> diff -r 6e6756f94b27 -r 7145e57c722a source/Lib/TLibCommon/TComRom.h
> --- a/source/Lib/TLibCommon/TComRom.h	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/Lib/TLibCommon/TComRom.h	Mon Aug 25 17:53:12 2014 +0900
> @@ -82,10 +82,8 @@
>  void initRasterToZscan(uint32_t maxFullDepth);
>  
>  // conversion of partition index to picture pel position
> -extern uint32_t g_rasterToPelX[MAX_NUM_SPU_W * MAX_NUM_SPU_W];
> -extern uint32_t g_rasterToPelY[MAX_NUM_SPU_W * MAX_NUM_SPU_W];
> -
> -void initRasterToPelXY(uint32_t maxFullDepth);
> +extern const uint8_t g_zscanToPelX[MAX_NUM_SPU_W * MAX_NUM_SPU_W];
> +extern const uint8_t g_zscanToPelY[MAX_NUM_SPU_W * MAX_NUM_SPU_W];
>  
>  // global variable (LCU width/height, max. CU depth)
>  extern uint32_t g_maxLog2CUSize;
> diff -r 6e6756f94b27 -r 7145e57c722a source/Lib/TLibCommon/TComYuv.h
> --- a/source/Lib/TLibCommon/TComYuv.h	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/Lib/TLibCommon/TComYuv.h	Mon Aug 25 17:53:12 2014 +0900
> @@ -80,18 +80,18 @@
>      int m_vChromaShift;
>      int m_csp;
>  
> -    int getChromaAddrOffset(uint32_t partUnitIdx, uint32_t width)
> +    int getChromaAddrOffset(uint32_t idx, uint32_t width)
>      {
> -        int blkX = g_rasterToPelX[g_zscanToRaster[partUnitIdx]] >> m_hChromaShift;
> -        int blkY = g_rasterToPelY[g_zscanToRaster[partUnitIdx]] >> m_vChromaShift;
> +        int blkX = g_zscanToPelX[idx] >> m_hChromaShift;
> +        int blkY = g_zscanToPelY[idx] >> m_vChromaShift;
>  
>          return blkX + blkY * width;
>      }
>  
> -    static int getAddrOffset(uint32_t partUnitIdx, uint32_t width)
> +    static int getAddrOffset(uint32_t idx, uint32_t width)
>      {
> -        int blkX = g_rasterToPelX[g_zscanToRaster[partUnitIdx]];
> -        int blkY = g_rasterToPelY[g_zscanToRaster[partUnitIdx]];
> +        int blkX = g_zscanToPelX[idx];
> +        int blkY = g_zscanToPelY[idx];
>  
>          return blkX + blkY * width;
>      }
> diff -r 6e6756f94b27 -r 7145e57c722a source/common/deblock.cpp
> --- a/source/common/deblock.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/common/deblock.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -49,15 +49,15 @@
>  
>      Frame* pic = cu->m_pic;
>      uint32_t curNumParts = pic->getNumPartInCU() >> (depth << 1);
> -    uint32_t qNumParts   = curNumParts >> 2;
>  
>      if (cu->getDepth(absZOrderIdx) > depth)
>      {
> +        uint32_t qNumParts   = curNumParts >> 2;
> +        uint32_t xmax = cu->m_slice->m_sps->picWidthInLumaSamples  - cu->getCUPelX();
> +        uint32_t ymax = cu->m_slice->m_sps->picHeightInLumaSamples - cu->getCUPelY();
>          for (uint32_t partIdx = 0; partIdx < 4; partIdx++, absZOrderIdx += qNumParts)
>          {
> -            uint32_t lpelx = cu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absZOrderIdx]];
> -            uint32_t tpely = cu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absZOrderIdx]];
> -            if ((lpelx < cu->m_slice->m_sps->picWidthInLumaSamples) && (tpely < cu->m_slice->m_sps->picHeightInLumaSamples))
> +            if (g_zscanToPelX[absZOrderIdx] < xmax && g_zscanToPelY[absZOrderIdx] < ymax)
>                  deblockCU(cu, absZOrderIdx, depth + 1, dir, edgeFilter, blockingStrength);
>          }
>          return;
> @@ -184,8 +184,8 @@
>  
>  void Deblock::setLoopfilterParam(TComDataCU* cu, uint32_t absZOrderIdx, Param *params)
>  {
> -    uint32_t x = cu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absZOrderIdx]];
> -    uint32_t y = cu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absZOrderIdx]];
> +    uint32_t x = cu->getCUPelX() + g_zscanToPelX[absZOrderIdx];
> +    uint32_t y = cu->getCUPelY() + g_zscanToPelY[absZOrderIdx];
>  
>      TComDataCU* tempCU;
>      uint32_t    tempPartIdx;
> diff -r 6e6756f94b27 -r 7145e57c722a source/common/param.cpp
> --- a/source/common/param.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/common/param.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -1071,9 +1071,6 @@
>          uint32_t* tmp = &g_zscanToRaster[0];
>          initZscanToRaster(g_maxFullDepth, 1, 0, tmp);
>          initRasterToZscan(g_maxFullDepth);
> -
> -        // initialize conversion matrix from partition index to pel
> -        initRasterToPelXY(g_maxFullDepth);
>      }
>      return 0;
>  }
> diff -r 6e6756f94b27 -r 7145e57c722a source/common/shortyuv.h
> --- a/source/common/shortyuv.h	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/common/shortyuv.h	Mon Aug 25 17:53:12 2014 +0900
> @@ -51,18 +51,18 @@
>      ShortYuv();
>      ~ShortYuv();
>  
> -    int getChromaAddrOffset(uint32_t partUnitIdx, uint32_t width)
> +    int getChromaAddrOffset(uint32_t idx, uint32_t width)
>      {
> -        int blkX = g_rasterToPelX[g_zscanToRaster[partUnitIdx]] >> m_hChromaShift;
> -        int blkY = g_rasterToPelY[g_zscanToRaster[partUnitIdx]] >> m_vChromaShift;
> +        int blkX = g_zscanToPelX[idx] >> m_hChromaShift;
> +        int blkY = g_zscanToPelY[idx] >> m_vChromaShift;
>  
>          return blkX + blkY * width;
>      }
>  
>      static int getAddrOffset(uint32_t idx, uint32_t width)
>      {
> -        int blkX = g_rasterToPelX[g_zscanToRaster[idx]];
> -        int blkY = g_rasterToPelY[g_zscanToRaster[idx]];
> +        int blkX = g_zscanToPelX[idx];
> +        int blkY = g_zscanToPelY[idx];
>  
>          return blkX + blkY * width;
>      }
> diff -r 6e6756f94b27 -r 7145e57c722a source/common/slice.cpp
> --- a/source/common/slice.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/common/slice.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -178,3 +178,26 @@
>          bUsed[k] = used;
>      }
>  }
> +
> +uint32_t Slice::realEndAddress(uint32_t endCUAddr)
> +{
> +    // Calculate end address
> +    uint32_t internalAddress = (endCUAddr - 1) % m_pic->getNumPartInCU();
> +    uint32_t externalAddress = (endCUAddr - 1) / m_pic->getNumPartInCU();
> +    uint32_t xmax = m_sps->picWidthInLumaSamples  - (externalAddress % m_pic->getFrameWidthInCU()) * g_maxCUSize;
> +    uint32_t ymax = m_sps->picHeightInLumaSamples - (externalAddress / m_pic->getFrameWidthInCU()) * g_maxCUSize;
> +
> +    while (g_zscanToPelX[internalAddress] >= xmax || g_zscanToPelY[internalAddress] >= ymax)
> +        internalAddress--;
> +
> +    internalAddress++;
> +    if (internalAddress == m_pic->getNumPartInCU())
> +    {
> +        internalAddress = 0;
> +        externalAddress++;
> +    }
> +
> +    return externalAddress * m_pic->getNumPartInCU() + internalAddress;
> +}
> +
> +
> diff -r 6e6756f94b27 -r 7145e57c722a source/common/slice.h
> --- a/source/common/slice.h	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/common/slice.h	Mon Aug 25 17:53:12 2014 +0900
> @@ -335,6 +335,8 @@
>      bool isInterB() const { return m_sliceType == B_SLICE; }
>  
>      bool isInterP() const { return m_sliceType == P_SLICE; }
> +
> +    uint32_t realEndAddress(uint32_t endCUAddr);
>  };
>  
>  #define IS_REFERENCED(slice) (slice->m_pic->m_lowres.sliceType != X265_TYPE_B) 
> diff -r 6e6756f94b27 -r 7145e57c722a source/encoder/analysis.cpp
> --- a/source/encoder/analysis.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/encoder/analysis.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -548,7 +548,7 @@
>      Slice* slice = outTempCU->m_slice;
>      if (!bInsidePicture)
>      {
> -        int cuSize = 1 << outTempCU->getLog2CUSize(0);
> +        uint32_t cuSize = 1 << outTempCU->getLog2CUSize(0);
>          uint32_t lpelx = outTempCU->getCUPelX();
>          uint32_t tpely = outTempCU->getCUPelY();
>          uint32_t rpelx = lpelx + cuSize;
> @@ -1875,15 +1875,14 @@
>          uint32_t nextDepth = depth + 1;
>          TComDataCU* subTempPartCU = m_tempCU[nextDepth];
>          uint32_t qNumParts = (pic->getNumPartInCU() >> (depth << 1)) >> 2;
> +        uint32_t xmax = slice->m_sps->picWidthInLumaSamples  - lcu->getCUPelX();
> +        uint32_t ymax = slice->m_sps->picHeightInLumaSamples - lcu->getCUPelY();
>          for (uint32_t partUnitIdx = 0; partUnitIdx < 4; partUnitIdx++, absPartIdx += qNumParts)
>          {
> -            uint32_t lpelx = lcu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absPartIdx]];
> -            uint32_t tpely = lcu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absPartIdx]];
> -            if ((lpelx < slice->m_sps->picWidthInLumaSamples) &&
> -                (tpely < slice->m_sps->picHeightInLumaSamples))
> +            if (g_zscanToPelX[absPartIdx] < xmax && g_zscanToPelY[absPartIdx] < ymax)
>              {
> -                subTempPartCU->copyToSubCU(cu, partUnitIdx, depth + 1);
> -                encodeResidue(lcu, subTempPartCU, absPartIdx, depth + 1);
> +                subTempPartCU->copyToSubCU(cu, partUnitIdx, nextDepth);
> +                encodeResidue(lcu, subTempPartCU, absPartIdx, nextDepth);
>              }
>          }
>  
> diff -r 6e6756f94b27 -r 7145e57c722a source/encoder/encoder.cpp
> --- a/source/encoder/encoder.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/encoder/encoder.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -441,10 +441,12 @@
>          else
>          {
>              fenc->allocPicSym(m_param);
> -            fenc->m_picSym->m_slice->m_sps = &m_sps;
> -            fenc->m_picSym->m_slice->m_pps = &m_pps;
> -            fenc->m_picSym->m_slice->m_maxNumMergeCand = m_param->maxNumMergeCand;
> -            fenc->m_picSym->m_slice->m_endCUAddr = fenc->getNumCUsInFrame() * fenc->getNumPartInCU();
> +            Slice* slice = fenc->m_picSym->m_slice;
> +            slice->m_pic = fenc;
> +            slice->m_sps = &m_sps;
> +            slice->m_pps = &m_pps;
> +            slice->m_maxNumMergeCand = m_param->maxNumMergeCand;
> +            slice->m_endCUAddr = slice->realEndAddress(fenc->getNumCUsInFrame() * fenc->getNumPartInCU());
>          }
>          curEncoder->m_rce.encodeOrder = m_encodedFrameNum++;
>          if (m_bframeDelay)
> diff -r 6e6756f94b27 -r 7145e57c722a source/encoder/entropy.cpp
> --- a/source/encoder/entropy.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/encoder/entropy.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -493,41 +493,35 @@
>      Frame* pic = cu->m_pic;
>      Slice* slice = cu->m_slice;
>  
> +    if (depth <= slice->m_pps->maxCuDQPDepth && slice->m_pps->bUseDQP)
> +        bEncodeDQP = true;
> +
>      if (!bInsidePicture)
>      {
> -        uint32_t lpelx = cu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absPartIdx]];
> -        uint32_t tpely = cu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absPartIdx]];
> -        uint32_t rpelx = lpelx + (g_maxCUSize >> depth);
> -        uint32_t bpely = tpely + (g_maxCUSize >> depth);
> -        bInsidePicture = (rpelx <= slice->m_sps->picWidthInLumaSamples &&
> -                          bpely <= slice->m_sps->picHeightInLumaSamples);
> +        uint32_t xmax = slice->m_sps->picWidthInLumaSamples  - cu->getCUPelX();
> +        uint32_t ymax = slice->m_sps->picHeightInLumaSamples - cu->getCUPelY();
> +        uint32_t cuSize = g_maxCUSize >> depth;
> +
> +        bInsidePicture = (g_zscanToPelX[absPartIdx] + cuSize <= xmax &&
> +                          g_zscanToPelY[absPartIdx] + cuSize <= ymax);
> +
> +        if (!bInsidePicture)
> +        {
> +            uint32_t qNumParts = (pic->getNumPartInCU() >> (depth << 1)) >> 2;
> +            for (uint32_t partUnitIdx = 0; partUnitIdx < 4; partUnitIdx++, absPartIdx += qNumParts)
> +            {
> +                if (g_zscanToPelX[absPartIdx] < xmax && g_zscanToPelY[absPartIdx] < ymax)
> +                    encodeCU(cu, absPartIdx, depth + 1, bInsidePicture, bEncodeDQP);
> +            }
> +
> +            return;
> +        }
>      }
>  
>      // We need to split, so don't try these modes.
>      if (bInsidePicture && depth < g_maxCUDepth)
>          codeSplitFlag(cu, absPartIdx, depth);
>  
> -    if (depth <= slice->m_pps->maxCuDQPDepth && slice->m_pps->bUseDQP)
> -        bEncodeDQP = true;
> -
> -    if (!bInsidePicture)
> -    {
> -        uint32_t qNumParts = (pic->getNumPartInCU() >> (depth << 1)) >> 2;
> -
> -        for (uint32_t partUnitIdx = 0; partUnitIdx < 4; partUnitIdx++, absPartIdx += qNumParts)
> -        {
> -            uint32_t lpelx = cu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absPartIdx]];
> -            uint32_t tpely = cu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absPartIdx]];
> -            if ((lpelx < slice->m_sps->picWidthInLumaSamples) &&
> -                (tpely < slice->m_sps->picHeightInLumaSamples))
> -            {
> -                encodeCU(cu, absPartIdx, depth + 1, bInsidePicture, bEncodeDQP);
> -            }
> -        }
> -
> -        return;
> -    }
> -
>      if (depth < cu->getDepth(absPartIdx) && depth < g_maxCUDepth)
>      {
>          uint32_t qNumParts = (pic->getNumPartInCU() >> (depth << 1)) >> 2;
> @@ -568,45 +562,24 @@
>  /* finish encoding a cu and handle end-of-slice conditions */
>  void Entropy::finishCU(TComDataCU* cu, uint32_t absPartIdx, uint32_t depth)
>  {
> -    Frame* pic = cu->m_pic;
>      Slice* slice = cu->m_slice;
>  
>      // Calculate end address
> +    X265_CHECK(slice->m_endCUAddr == slice->realEndAddress(slice->m_endCUAddr), "real end address expected\n");
> +    uint32_t realEndAddress = slice->m_endCUAddr;
>      uint32_t cuAddr = cu->getSCUAddr() + absPartIdx;
>  
> -    uint32_t internalAddress = (slice->m_endCUAddr - 1) % pic->getNumPartInCU();
> -    uint32_t externalAddress = (slice->m_endCUAddr - 1) / pic->getNumPartInCU();
> -    uint32_t posx = (externalAddress % pic->getFrameWidthInCU()) * g_maxCUSize + g_rasterToPelX[g_zscanToRaster[internalAddress]];
> -    uint32_t posy = (externalAddress / pic->getFrameWidthInCU()) * g_maxCUSize + g_rasterToPelY[g_zscanToRaster[internalAddress]];
> -    uint32_t width = slice->m_sps->picWidthInLumaSamples;
> -    uint32_t height = slice->m_sps->picHeightInLumaSamples;
> -    uint32_t cuSize = 1 << cu->getLog2CUSize(absPartIdx);
> -
> -    while (posx >= width || posy >= height)
> -    {
> -        internalAddress--;
> -        posx = (externalAddress % pic->getFrameWidthInCU()) * g_maxCUSize + g_rasterToPelX[g_zscanToRaster[internalAddress]];
> -        posy = (externalAddress / pic->getFrameWidthInCU()) * g_maxCUSize + g_rasterToPelY[g_zscanToRaster[internalAddress]];
> -    }
> -
> -    internalAddress++;
> -    if (internalAddress == cu->m_pic->getNumPartInCU())
> -    {
> -        internalAddress = 0;
> -        externalAddress = (externalAddress + 1);
> -    }
> -    uint32_t realEndAddress = (externalAddress * pic->getNumPartInCU() + internalAddress);
> -
>      // Encode slice finish
>      bool bTerminateSlice = false;
>      if (cuAddr + (cu->m_pic->getNumPartInCU() >> (depth << 1)) == realEndAddress)
>          bTerminateSlice = true;
>  
> -    uint32_t granularityWidth = g_maxCUSize;
> -    posx = cu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absPartIdx]];
> -    posy = cu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absPartIdx]];
> -    bool granularityBoundary = ((posx + cuSize) % granularityWidth == 0 || (posx + cuSize == width))
> -                            && ((posy + cuSize) % granularityWidth == 0 || (posy + cuSize == height));
> +    uint32_t granularityMask = g_maxCUSize - 1;
> +    uint32_t cuSize = 1 << cu->getLog2CUSize(absPartIdx);
> +    uint32_t rpelx = cu->getCUPelX() + g_zscanToPelX[absPartIdx] + cuSize;
> +    uint32_t bpely = cu->getCUPelY() + g_zscanToPelY[absPartIdx] + cuSize;
> +    bool granularityBoundary = (((rpelx & granularityMask) == 0 || (rpelx == slice->m_sps->picWidthInLumaSamples )) &&
> +                                ((bpely & granularityMask) == 0 || (bpely == slice->m_sps->picHeightInLumaSamples)));
>  
>      if (granularityBoundary)
>      {
> diff -r 6e6756f94b27 -r 7145e57c722a source/encoder/sao.cpp
> --- a/source/encoder/sao.cpp	Fri Aug 22 15:53:34 2014 -0500
> +++ b/source/encoder/sao.cpp	Mon Aug 25 17:53:12 2014 +0900
> @@ -2535,18 +2535,17 @@
>  /* Original YUV restoration for CU in lossless coding */
>  void origCUSampleRestoration(TComDataCU* cu, uint32_t absZOrderIdx, uint32_t depth)
>  {
> -    Frame* pic = cu->m_pic;
> -    uint32_t curNumParts = pic->getNumPartInCU() >> (depth << 1);
> -    uint32_t qNumParts   = curNumParts >> 2;
> -
>      // go to sub-CU
>      if (cu->getDepth(absZOrderIdx) > depth)
>      {
> +        Frame* pic = cu->m_pic;
> +        uint32_t curNumParts = pic->getNumPartInCU() >> (depth << 1);
> +        uint32_t qNumParts   = curNumParts >> 2;
> +        uint32_t xmax = cu->m_slice->m_sps->picWidthInLumaSamples  - cu->getCUPelX();
> +        uint32_t ymax = cu->m_slice->m_sps->picHeightInLumaSamples - cu->getCUPelY();
>          for (uint32_t partIdx = 0; partIdx < 4; partIdx++, absZOrderIdx += qNumParts)
>          {
> -            uint32_t lpelx = cu->getCUPelX() + g_rasterToPelX[g_zscanToRaster[absZOrderIdx]];
> -            uint32_t tpely = cu->getCUPelY() + g_rasterToPelY[g_zscanToRaster[absZOrderIdx]];
> -            if ((lpelx < cu->m_slice->m_sps->picWidthInLumaSamples) && (tpely < cu->m_slice->m_sps->picHeightInLumaSamples))
> +            if (g_zscanToPelX[absZOrderIdx] < xmax && g_zscanToPelY[absZOrderIdx] < ymax)
>                  origCUSampleRestoration(cu, absZOrderIdx, depth + 1);
>          }
>  
> _______________________________________________
> x265-devel mailing list
> x265-devel at videolan.org
> https://mailman.videolan.org/listinfo/x265-devel

-- 
Steve Borho


More information about the x265-devel mailing list