/*! * \copy *     Copyright (c)  2009-2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * * * \file	sample.c * * \brief	compute SAD and SATD * * \date	2009.06.02 Created * ************************************************************************************* */ #include "sample.h" #include "mc.h"#include "cpu_core.h" namespace WelsSVCEnc {int32_t WelsSampleSad4x4_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSadSum = 0;  int32_t i = 0;  uint8_t* pSrc1 = pSample1;  uint8_t* pSrc2 = pSample2;  for (i = 0; i < 4; i++) {    iSadSum += WELS_ABS ((pSrc1[0] - pSrc2[0]));    iSadSum += WELS_ABS ((pSrc1[1] - pSrc2[1]));    iSadSum += WELS_ABS ((pSrc1[2] - pSrc2[2]));    iSadSum += WELS_ABS ((pSrc1[3] - pSrc2[3]));     pSrc1 += iStride1;    pSrc2 += iStride2;  }   return iSadSum;} int32_t WelsSampleSad8x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSadSum = 0;  int32_t i = 0;  uint8_t* pSrc1 = pSample1;  uint8_t* pSrc2 = pSample2;  for (i = 0; i < 8; i++) {    iSadSum += WELS_ABS ((pSrc1[0] - pSrc2[0]));    iSadSum += WELS_ABS ((pSrc1[1] - pSrc2[1]));    iSadSum += WELS_ABS ((pSrc1[2] - pSrc2[2]));    iSadSum += WELS_ABS ((pSrc1[3] - pSrc2[3]));    iSadSum += WELS_ABS ((pSrc1[4] - pSrc2[4]));    iSadSum += WELS_ABS ((pSrc1[5] - pSrc2[5]));    iSadSum += WELS_ABS ((pSrc1[6] - pSrc2[6]));    iSadSum += WELS_ABS ((pSrc1[7] - pSrc2[7]));     pSrc1 += iStride1;    pSrc2 += iStride2;  }   return iSadSum;}int32_t WelsSampleSad16x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSadSum = 0;   iSadSum += WelsSampleSad8x8_c (pSample1,     iStride1, pSample2,     iStride2);  iSadSum += WelsSampleSad8x8_c (pSample1 + 8, iStride1, pSample2 + 8, iStride2);   return iSadSum;}int32_t WelsSampleSad8x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSadSum = 0;  iSadSum += WelsSampleSad8x8_c (pSample1,                   iStride1, pSample2,                   iStride2);  iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3), iStride1, pSample2 + (iStride2 << 3), iStride2);   return iSadSum;}int32_t WelsSampleSad16x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSadSum = 0;  iSadSum += WelsSampleSad8x8_c (pSample1,                     iStride1, pSample2,                     iStride2);  iSadSum += WelsSampleSad8x8_c (pSample1 + 8,                   iStride1, pSample2 + 8,                   iStride2);  iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3),   iStride1, pSample2 + (iStride2 << 3),   iStride2);  iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3) + 8, iStride1, pSample2 + (iStride2 << 3) + 8, iStride2);   return iSadSum;} int32_t WelsSampleSatd4x4_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSatdSum = 0;  int32_t pSampleMix[4][4] = {{ 0 }};  int32_t iSample0, iSample1, iSample2, iSample3;  int32_t i = 0;  uint8_t* pSrc1 = pSample1;  uint8_t* pSrc2 = pSample2;   //step 1: get the difference  for (i = 0; i < 4; i++) {    pSampleMix[i][0] = pSrc1[0] - pSrc2[0];    pSampleMix[i][1] = pSrc1[1] - pSrc2[1];    pSampleMix[i][2] = pSrc1[2] - pSrc2[2];    pSampleMix[i][3] = pSrc1[3] - pSrc2[3];     pSrc1 += iStride1;    pSrc2 += iStride2;  }   //step 2: horizontal transform  for (i = 0; i < 4; i++) {    iSample0 = pSampleMix[i][0] + pSampleMix[i][2];    iSample1 = pSampleMix[i][1] + pSampleMix[i][3];    iSample2 = pSampleMix[i][0] - pSampleMix[i][2];    iSample3 = pSampleMix[i][1] - pSampleMix[i][3];     pSampleMix[i][0] = iSample0 + iSample1;    pSampleMix[i][1] = iSample2 + iSample3;    pSampleMix[i][2] = iSample2 - iSample3;    pSampleMix[i][3] = iSample0 - iSample1;  }   //step 3: vertical transform and get the sum of SATD  for (i = 0; i < 4; i++) {    iSample0 = pSampleMix[0][i] + pSampleMix[2][i];    iSample1 = pSampleMix[1][i] + pSampleMix[3][i];    iSample2 = pSampleMix[0][i] - pSampleMix[2][i];    iSample3 = pSampleMix[1][i] - pSampleMix[3][i];     pSampleMix[0][i] = iSample0 + iSample1;    pSampleMix[1][i] = iSample2 + iSample3;    pSampleMix[2][i] = iSample2 - iSample3;    pSampleMix[3][i] = iSample0 - iSample1;     iSatdSum += (WELS_ABS (pSampleMix[0][i]) + WELS_ABS (pSampleMix[1][i]) + WELS_ABS (pSampleMix[2][i]) + WELS_ABS (                   pSampleMix[3][i]));  }   return ((iSatdSum + 1) >> 1);}int32_t WelsSampleSatd8x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSatdSum = 0;   iSatdSum += WelsSampleSatd4x4_c (pSample1,                     iStride1, pSample2,                     iStride2);  iSatdSum += WelsSampleSatd4x4_c (pSample1 + 4,                   iStride1, pSample2 + 4,                   iStride2);  iSatdSum += WelsSampleSatd4x4_c (pSample1 + (iStride1 << 2),   iStride1, pSample2 + (iStride2 << 2),   iStride2);  iSatdSum += WelsSampleSatd4x4_c (pSample1 + (iStride1 << 2) + 4, iStride1, pSample2 + (iStride2 << 2) + 4, iStride2);   return iSatdSum;}int32_t WelsSampleSatd16x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSatdSum = 0;   iSatdSum += WelsSampleSatd8x8_c (pSample1,   iStride1, pSample2,   iStride2);  iSatdSum += WelsSampleSatd8x8_c (pSample1 + 8, iStride1, pSample2 + 8, iStride2);   return iSatdSum;}int32_t WelsSampleSatd8x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSatdSum = 0;   iSatdSum += WelsSampleSatd8x8_c (pSample1,                   iStride1, pSample2,                   iStride2);  iSatdSum += WelsSampleSatd8x8_c (pSample1 + (iStride1 << 3), iStride1, pSample2 + (iStride2 << 3), iStride2);   return iSatdSum;}int32_t WelsSampleSatd16x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {  int32_t iSatdSum = 0;   iSatdSum += WelsSampleSatd8x8_c (pSample1,                     iStride1, pSample2,                     iStride2);  iSatdSum += WelsSampleSatd8x8_c (pSample1 + 8,                   iStride1, pSample2 + 8,                   iStride2);  iSatdSum += WelsSampleSatd8x8_c (pSample1 + (iStride1 << 3),   iStride1, pSample2 + (iStride2 << 3),   iStride2);  iSatdSum += WelsSampleSatd8x8_c (pSample1 + (iStride1 << 3) + 8, iStride1, pSample2 + (iStride2 << 3) + 8, iStride2);   return iSatdSum;}  void WelsSampleSadFour16x16_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2,                               int32_t* pSad) {  * (pSad)     = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);  * (pSad + 1) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);  * (pSad + 2) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 - 1), iStride2);  * (pSad + 3) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 + 1), iStride2);}void WelsSampleSadFour16x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {  * (pSad)     = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);  * (pSad + 1) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);  * (pSad + 2) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 - 1), iStride2);  * (pSad + 3) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 + 1), iStride2);}void WelsSampleSadFour8x16_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {  * (pSad)     = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);  * (pSad + 1) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);  * (pSad + 2) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 - 1), iStride2);  * (pSad + 3) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 + 1), iStride2); }void WelsSampleSadFour8x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {  * (pSad)     = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);  * (pSad + 1) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);  * (pSad + 2) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 - 1), iStride2);  * (pSad + 3) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 + 1), iStride2);}void WelsSampleSadFour4x4_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {  * (pSad)     = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);  * (pSad + 1) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);  * (pSad + 2) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 - 1), iStride2);  * (pSad + 3) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 + 1), iStride2);} extern void WelsI4x4LumaPredDc_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride);extern void WelsI4x4LumaPredH_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride);extern void WelsI4x4LumaPredV_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride); int32_t WelsSampleSatdIntra4x4Combined3_c (uint8_t* pDec, int32_t iDecStride, uint8_t* pEnc, int32_t iEncStride,    uint8_t* pDst,    int32_t* pBestMode, int32_t iLambda2, int32_t iLambda1, int32_t iLambda0) {  int32_t iBestMode = -1;  int32_t iCurCost, iBestCost = INT_MAX;  ENFORCE_STACK_ALIGN_2D (uint8_t, uiLocalBuffer, 3, 16, 16)   WelsI4x4LumaPredDc_c (uiLocalBuffer[2], pDec, iDecStride);  iCurCost = WelsSampleSatd4x4_c (uiLocalBuffer[2], 4, pEnc, iEncStride) + iLambda2;  if (iCurCost < iBestCost) {    iBestMode = 2;    iBestCost = iCurCost;  }   WelsI4x4LumaPredH_c (uiLocalBuffer[1], pDec, iDecStride);  iCurCost = WelsSampleSatd4x4_c (uiLocalBuffer[1], 4, pEnc, iEncStride) + iLambda1;  if (iCurCost < iBestCost) {    iBestMode = 1;    iBestCost = iCurCost;  }  WelsI4x4LumaPredV_c (uiLocalBuffer[0], pDec, iDecStride);  iCurCost = WelsSampleSatd4x4_c (uiLocalBuffer[0], 4, pEnc, iEncStride) + iLambda0;  if (iCurCost < iBestCost) {    iBestMode = 0;    iBestCost = iCurCost;  }   memcpy (pDst, uiLocalBuffer[iBestMode], 16 * sizeof (uint8_t));	// confirmed_safe_unsafe_usage  *pBestMode = iBestMode;   return iBestCost;}extern void WelsIChormaPredDc_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride);extern void WelsIChormaPredH_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride);extern void WelsIChormaPredV_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride); int32_t WelsSampleSatdIntra8x8Combined3_c (uint8_t* pDecCb, int32_t iDecStride, uint8_t* pEncCb, int32_t iEncStride,    int32_t* pBestMode, int32_t iLambda, uint8_t* pDstChroma, uint8_t* pDecCr, uint8_t* pEncCr) {  int32_t iBestMode = -1;  int32_t iCurCost, iBestCost = INT_MAX;   WelsIChormaPredV_c (pDstChroma, pDecCb, iDecStride);  WelsIChormaPredV_c (pDstChroma + 64, pDecCr, iDecStride);  iCurCost = WelsSampleSatd8x8_c (pDstChroma, 8, pEncCb, iEncStride);  iCurCost += WelsSampleSatd8x8_c (pDstChroma + 64, 8, pEncCr, iEncStride) + iLambda * 2;   if (iCurCost < iBestCost) {    iBestMode = 2;    iBestCost = iCurCost;  }   WelsIChormaPredH_c (pDstChroma, pDecCb, iDecStride);  WelsIChormaPredH_c (pDstChroma + 64, pDecCr, iDecStride);  iCurCost = WelsSampleSatd8x8_c (pDstChroma, 8, pEncCb, iEncStride);  iCurCost += WelsSampleSatd8x8_c (pDstChroma + 64, 8, pEncCr, iEncStride) + iLambda * 2;  if (iCurCost < iBestCost) {    iBestMode = 1;    iBestCost = iCurCost;  }  WelsIChormaPredDc_c (pDstChroma, pDecCb, iDecStride);  WelsIChormaPredDc_c (pDstChroma + 64, pDecCr, iDecStride);  iCurCost = WelsSampleSatd8x8_c (pDstChroma, 8, pEncCb, iEncStride);  iCurCost += WelsSampleSatd8x8_c (pDstChroma + 64, 8, pEncCr, iEncStride);  if (iCurCost < iBestCost) {    iBestMode = 0;    iBestCost = iCurCost;  }   *pBestMode	= iBestMode;   return iBestCost;  }int32_t WelsSampleSadIntra8x8Combined3_c (uint8_t* pDecCb, int32_t iDecStride, uint8_t* pEncCb, int32_t iEncStride,    int32_t* pBestMode, int32_t iLambda, uint8_t* pDstChroma, uint8_t* pDecCr, uint8_t* pEncCr) {  int32_t iBestMode = -1;  int32_t iCurCost, iBestCost = INT_MAX;   WelsIChormaPredV_c (pDstChroma, pDecCb, iDecStride);  WelsIChormaPredV_c (pDstChroma + 64, pDecCr, iDecStride);  iCurCost = WelsSampleSad8x8_c (pDstChroma, 8, pEncCb, iEncStride);  iCurCost += WelsSampleSad8x8_c (pDstChroma + 64, 8, pEncCr, iEncStride) + iLambda * 2;   if (iCurCost < iBestCost) {    iBestMode = 2;    iBestCost = iCurCost;  }   WelsIChormaPredH_c (pDstChroma, pDecCb, iDecStride);  WelsIChormaPredH_c (pDstChroma + 64, pDecCr, iDecStride);  iCurCost = WelsSampleSad8x8_c (pDstChroma, 8, pEncCb, iEncStride);  iCurCost += WelsSampleSad8x8_c (pDstChroma + 64, 8, pEncCr, iEncStride) + iLambda * 2;  if (iCurCost < iBestCost) {    iBestMode = 1;    iBestCost = iCurCost;  }  WelsIChormaPredDc_c (pDstChroma, pDecCb, iDecStride);  WelsIChormaPredDc_c (pDstChroma + 64, pDecCr, iDecStride);  iCurCost = WelsSampleSad8x8_c (pDstChroma, 8, pEncCb, iEncStride);  iCurCost += WelsSampleSad8x8_c (pDstChroma + 64, 8, pEncCr, iEncStride);  if (iCurCost < iBestCost) {    iBestMode = 0;    iBestCost = iCurCost;  }   *pBestMode = iBestMode;   return iBestCost; } extern void WelsI16x16LumaPredDc_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride);extern void WelsI16x16LumaPredH_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride);extern void WelsI16x16LumaPredV_c (uint8_t* pPred, uint8_t* pRef, const int32_t iStride); int32_t WelsSampleSatdIntra16x16Combined3_c (uint8_t* pDec, int32_t iDecStride, uint8_t* pEnc, int32_t iEncStride,    int32_t* pBestMode, int32_t iLambda, uint8_t* pDst) {  int32_t iBestMode = -1;  int32_t iCurCost, iBestCost = INT_MAX;   WelsI16x16LumaPredV_c (pDst, pDec, iDecStride);  iCurCost = WelsSampleSatd16x16_c (pDst, 16, pEnc, iEncStride);   if (iCurCost < iBestCost) {    iBestMode = 0;    iBestCost = iCurCost;  }   WelsI16x16LumaPredH_c (pDst, pDec, iDecStride);  iCurCost = WelsSampleSatd16x16_c (pDst, 16, pEnc, iEncStride) + iLambda * 2;  if (iCurCost < iBestCost) {    iBestMode = 1;    iBestCost = iCurCost;  }  WelsI16x16LumaPredDc_c (pDst, pDec, iDecStride);  iCurCost = WelsSampleSatd16x16_c (pDst, 16, pEnc, iEncStride) + iLambda * 2;  if (iCurCost < iBestCost) {    iBestMode = 2;    iBestCost = iCurCost;  }   *pBestMode = iBestMode;   return iBestCost;  }int32_t WelsSampleSadIntra16x16Combined3_c (uint8_t* pDec, int32_t iDecStride, uint8_t* pEnc, int32_t iEncStride,    int32_t* pBestMode, int32_t iLambda, uint8_t* pDst) {  int32_t iBestMode = -1;  int32_t iCurCost, iBestCost = INT_MAX;   WelsI16x16LumaPredV_c (pDst, pDec, iDecStride);  iCurCost = WelsSampleSad16x16_c (pDst, 16, pEnc, iEncStride);   if (iCurCost < iBestCost) {    iBestMode = 0;    iBestCost = iCurCost;  }   WelsI16x16LumaPredH_c (pDst, pDec, iDecStride);  iCurCost = WelsSampleSad16x16_c (pDst, 16, pEnc, iEncStride) + iLambda * 2;  if (iCurCost < iBestCost) {    iBestMode = 1;    iBestCost = iCurCost;  }  WelsI16x16LumaPredDc_c (pDst, pDec, iDecStride);  iCurCost = WelsSampleSad16x16_c (pDst, 16, pEnc, iEncStride) + iLambda * 2;  if (iCurCost < iBestCost) {    iBestMode = 2;    iBestCost = iCurCost;  }   *pBestMode = iBestMode;   return iBestCost;  } void WelsInitSampleSadFunc (SWelsFuncPtrList* pFuncList, uint32_t uiCpuFlag) {  //pfSampleSad init  pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_16x16] = WelsSampleSad16x16_c;  pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_16x8 ] = WelsSampleSad16x8_c;  pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_8x16 ] = WelsSampleSad8x16_c;  pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_8x8  ] = WelsSampleSad8x8_c;  pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_4x4  ] = WelsSampleSad4x4_c;   //pfSampleSatd init  pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_16x16] = WelsSampleSatd16x16_c;  pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_16x8 ] = WelsSampleSatd16x8_c;  pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x16 ] = WelsSampleSatd8x16_c;  pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x8  ] = WelsSampleSatd8x8_c;  pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_4x4  ] = WelsSampleSatd4x4_c;   pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_16x16] = WelsSampleSadFour16x16_c;  pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_16x8] = WelsSampleSadFour16x8_c;  pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_8x16] = WelsSampleSadFour8x16_c;  pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_8x8] = WelsSampleSadFour8x8_c;  pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_4x4] = WelsSampleSadFour4x4_c;   pFuncList->sSampleDealingFuncs.pfIntra4x4Combined3Satd   = NULL;  pFuncList->sSampleDealingFuncs.pfIntra8x8Combined3Satd   = NULL;  pFuncList->sSampleDealingFuncs.pfIntra8x8Combined3Sad    = NULL;  pFuncList->sSampleDealingFuncs.pfIntra16x16Combined3Satd = NULL;  pFuncList->sSampleDealingFuncs.pfIntra16x16Combined3Sad  = NULL; #if defined (X86_ASM)  if (uiCpuFlag & WELS_CPU_MMXEXT) {    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_4x4  ] = WelsSampleSad4x4_mmx;  }   if (uiCpuFlag & WELS_CPU_SSE2) {    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_16x16] = WelsSampleSad16x16_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_16x8 ] = WelsSampleSad16x8_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_8x16] = WelsSampleSad8x16_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_8x8] = WelsSampleSad8x8_sse21;     pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_16x16] = WelsSampleSadFour16x16_sse2;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_16x8] = WelsSampleSadFour16x8_sse2;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_8x16] = WelsSampleSadFour8x16_sse2;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_8x8] = WelsSampleSadFour8x8_sse2;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_4x4] = WelsSampleSadFour4x4_sse2;     pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_4x4  ] = WelsSampleSatd4x4_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x8  ] = WelsSampleSatd8x8_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x16 ] = WelsSampleSatd8x16_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_16x8 ] = WelsSampleSatd16x8_sse2;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_16x16] = WelsSampleSatd16x16_sse2;    //pFuncList->sSampleDealingFuncs.pfIntra4x4Combined3Satd = WelsSampleSatdThree4x4_sse2;  }   if (uiCpuFlag & WELS_CPU_SSSE3) {    //pFuncList->sSampleDealingFuncs.pfIntra16x16Combined3Sad = WelsIntra16x16Combined3Sad_ssse3;  }   if (uiCpuFlag & WELS_CPU_SSE41) {    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_16x16] = WelsSampleSatd16x16_sse41;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_16x8] = WelsSampleSatd16x8_sse41;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x16] = WelsSampleSatd8x16_sse41;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x8] = WelsSampleSatd8x8_sse41;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_4x4] = WelsSampleSatd4x4_sse41;    //pFuncList->sSampleDealingFuncs.pfIntra16x16Combined3Satd = WelsIntra16x16Combined3Satd_sse41;    //pFuncList->sSampleDealingFuncs.pfIntra8x8Combined3Satd = WelsIntraChroma8x8Combined3Satd_sse41;  } #endif //(X86_ASM) #if defined (HAVE_NEON)  if (uiCpuFlag & WELS_CPU_NEON) {    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_4x4  ] = WelsSampleSad4x4_neon;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_16x16] = WelsSampleSad16x16_neon;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_16x8 ] = WelsSampleSad16x8_neon;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_8x16] = WelsSampleSad8x16_neon;    pFuncList->sSampleDealingFuncs.pfSampleSad[BLOCK_8x8] = WelsSampleSad8x8_neon;     pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_16x16] = WelsSampleSadFour16x16_neon;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_16x8] = WelsSampleSadFour16x8_neon;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_8x16] = WelsSampleSadFour8x16_neon;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_8x8] = WelsSampleSadFour8x8_neon;    pFuncList->sSampleDealingFuncs.pfSample4Sad[BLOCK_4x4] = WelsSampleSadFour4x4_neon;     pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_4x4  ] = WelsSampleSatd4x4_neon;    pFuncList->sSampleDealingFuncs.pfSampleSatd[BLOCK_8x8  ] = WelsSampleSatd8x8_neon;

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