ref: 3efd69a6a9c77ceec05be03f98853b50a9819e31
dir: /codec/decoder/core/src/rec_mb.cpp/
/*!
* \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 rec_mb.c
*
* \brief implementation for all macroblock decoding process after mb syntax parsing and residual decoding with cavlc.
*
* \date 3/18/2009 Created
*
*************************************************************************************
*/
#include "rec_mb.h"
#include "decode_slice.h"
namespace WelsDec {
void WelsFillRecNeededMbInfo (PWelsDecoderContext pCtx, bool bOutput, PDqLayer pCurLayer) {
PPicture pCurPic = pCtx->pDec;
int32_t iLumaStride = pCurPic->iLinesize[0];
int32_t iChromaStride = pCurPic->iLinesize[1];
int32_t iMbX = pCurLayer->iMbX;
int32_t iMbY = pCurLayer->iMbY;
pCurLayer->iLumaStride = iLumaStride;
pCurLayer->iChromaStride = iChromaStride;
if (bOutput) {
pCurLayer->pPred[0] = pCurPic->pData[0] + ((iMbY * iLumaStride + iMbX) << 4);
pCurLayer->pPred[1] = pCurPic->pData[1] + ((iMbY * iChromaStride + iMbX) << 3);
pCurLayer->pPred[2] = pCurPic->pData[2] + ((iMbY * iChromaStride + iMbX) << 3);
}
}
int32_t RecI8x8Mb (int32_t iMbXy, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
RecI8x8Luma (iMbXy, pCtx, pScoeffLevel, pDqLayer);
RecI4x4Chroma (iMbXy, pCtx, pScoeffLevel, pDqLayer);
return ERR_NONE;
}
int32_t RecI8x8Luma (int32_t iMbXy, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
/*****get local variable from outer variable********/
/*prediction info*/
uint8_t* pPred = pDqLayer->pPred[0];
int32_t iLumaStride = pDqLayer->iLumaStride;
int32_t* pBlockOffset = pCtx->iDecBlockOffsetArray;
PGetIntraPred8x8Func* pGetI8x8LumaPredFunc = pCtx->pGetI8x8LumaPredFunc;
int8_t* pIntra8x8PredMode = pDqLayer->pIntra4x4FinalMode[iMbXy]; // I_NxN
int16_t* pRS = pScoeffLevel;
/*itransform info*/
PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc8x8;
/*************local variable********************/
uint8_t i = 0;
bool bTLAvail[4], bTRAvail[4];
// Top-Right : Left : Top-Left : Top
bTLAvail[0] = !! (pDqLayer->pIntraNxNAvailFlag[iMbXy] & 0x02);
bTLAvail[1] = !! (pDqLayer->pIntraNxNAvailFlag[iMbXy] & 0x01);
bTLAvail[2] = !! (pDqLayer->pIntraNxNAvailFlag[iMbXy] & 0x04);
bTLAvail[3] = true;
bTRAvail[0] = !! (pDqLayer->pIntraNxNAvailFlag[iMbXy] & 0x01);
bTRAvail[1] = !! (pDqLayer->pIntraNxNAvailFlag[iMbXy] & 0x08);
bTRAvail[2] = true;
bTRAvail[3] = false;
/*************real process*********************/
for (i = 0; i < 4; i++) {
uint8_t* pPredI8x8 = pPred + pBlockOffset[i << 2];
uint8_t uiMode = pIntra8x8PredMode[g_kuiScan4[i << 2]];
pGetI8x8LumaPredFunc[uiMode] (pPredI8x8, iLumaStride, bTLAvail[i], bTRAvail[i]);
int32_t iIndex = g_kuiMbCountScan4Idx[i << 2];
if (pDqLayer->pNzc[iMbXy][iIndex] || pDqLayer->pNzc[iMbXy][iIndex + 1] || pDqLayer->pNzc[iMbXy][iIndex + 4]
|| pDqLayer->pNzc[iMbXy][iIndex + 5]) {
int16_t* pRSI8x8 = &pRS[i << 6];
pIdctResAddPredFunc (pPredI8x8, iLumaStride, pRSI8x8);
}
}
return ERR_NONE;
}
int32_t RecI4x4Mb (int32_t iMBXY, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
RecI4x4Luma (iMBXY, pCtx, pScoeffLevel, pDqLayer);
RecI4x4Chroma (iMBXY, pCtx, pScoeffLevel, pDqLayer);
return ERR_NONE;
}
int32_t RecI4x4Luma (int32_t iMBXY, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
/*****get local variable from outer variable********/
/*prediction info*/
uint8_t* pPred = pDqLayer->pPred[0];
int32_t iLumaStride = pDqLayer->iLumaStride;
int32_t* pBlockOffset = pCtx->iDecBlockOffsetArray;
PGetIntraPredFunc* pGetI4x4LumaPredFunc = pCtx->pGetI4x4LumaPredFunc;
int8_t* pIntra4x4PredMode = pDqLayer->pIntra4x4FinalMode[iMBXY];
int16_t* pRS = pScoeffLevel;
/*itransform info*/
PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc;
/*************local variable********************/
uint8_t i = 0;
/*************real process*********************/
for (i = 0; i < 16; i++) {
uint8_t* pPredI4x4 = pPred + pBlockOffset[i];
uint8_t uiMode = pIntra4x4PredMode[g_kuiScan4[i]];
pGetI4x4LumaPredFunc[uiMode] (pPredI4x4, iLumaStride);
if (pDqLayer->pNzc[iMBXY][g_kuiMbCountScan4Idx[i]]) {
int16_t* pRSI4x4 = &pRS[i << 4];
pIdctResAddPredFunc (pPredI4x4, iLumaStride, pRSI4x4);
}
}
return ERR_NONE;
}
int32_t RecI4x4Chroma (int32_t iMBXY, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
int32_t iChromaStride = pCtx->pCurDqLayer->pDec->iLinesize[1];
int8_t iChromaPredMode = pDqLayer->pChromaPredMode[iMBXY];
PGetIntraPredFunc* pGetIChromaPredFunc = pCtx->pGetIChromaPredFunc;
uint8_t* pPred = pDqLayer->pPred[1];
pGetIChromaPredFunc[iChromaPredMode] (pPred, iChromaStride);
pPred = pDqLayer->pPred[2];
pGetIChromaPredFunc[iChromaPredMode] (pPred, iChromaStride);
RecChroma (iMBXY, pCtx, pScoeffLevel, pDqLayer);
return ERR_NONE;
}
int32_t RecI16x16Mb (int32_t iMBXY, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
/*decoder use, encoder no use*/
int8_t iI16x16PredMode = pDqLayer->pIntraPredMode[iMBXY][7];
int8_t iChromaPredMode = pDqLayer->pChromaPredMode[iMBXY];
PGetIntraPredFunc* pGetIChromaPredFunc = pCtx->pGetIChromaPredFunc;
PGetIntraPredFunc* pGetI16x16LumaPredFunc = pCtx->pGetI16x16LumaPredFunc;
int32_t iUVStride = pCtx->pCurDqLayer->pDec->iLinesize[1];
/*common use by decoder&encoder*/
int32_t iYStride = pDqLayer->iLumaStride;
int16_t* pRS = pScoeffLevel;
uint8_t* pPred = pDqLayer->pPred[0];
PIdctFourResAddPredFunc pIdctFourResAddPredFunc = pCtx->pIdctFourResAddPredFunc;
/*decode i16x16 y*/
pGetI16x16LumaPredFunc[iI16x16PredMode] (pPred, iYStride);
/*1 mb is divided 16 4x4_block to idct*/
const int8_t* pNzc = pDqLayer->pNzc[iMBXY];
pIdctFourResAddPredFunc (pPred + 0 * iYStride + 0, iYStride, pRS + 0 * 64, pNzc + 0);
pIdctFourResAddPredFunc (pPred + 0 * iYStride + 8, iYStride, pRS + 1 * 64, pNzc + 2);
pIdctFourResAddPredFunc (pPred + 8 * iYStride + 0, iYStride, pRS + 2 * 64, pNzc + 8);
pIdctFourResAddPredFunc (pPred + 8 * iYStride + 8, iYStride, pRS + 3 * 64, pNzc + 10);
/*decode intra mb cb&cr*/
pPred = pDqLayer->pPred[1];
pGetIChromaPredFunc[iChromaPredMode] (pPred, iUVStride);
pPred = pDqLayer->pPred[2];
pGetIChromaPredFunc[iChromaPredMode] (pPred, iUVStride);
RecChroma (iMBXY, pCtx, pScoeffLevel, pDqLayer);
return ERR_NONE;
}
//according to current 8*8 block ref_index to gain reference picture
static inline void GetRefPic (sMCRefMember* pMCRefMem, PWelsDecoderContext pCtx, int8_t* pRefIdxList,
int32_t iIndex, int32_t listIdx) {
PPicture pRefPic;
int8_t iRefIdx = pRefIdxList[iIndex];
if (iRefIdx >= 0) {
pRefPic = pCtx->sRefPic.pRefList[listIdx][iRefIdx];
if (pRefPic != NULL) {
pMCRefMem->iSrcLineLuma = pRefPic->iLinesize[0];
pMCRefMem->iSrcLineChroma = pRefPic->iLinesize[1];
pMCRefMem->pSrcY = pRefPic->pData[0];
pMCRefMem->pSrcU = pRefPic->pData[1];
pMCRefMem->pSrcV = pRefPic->pData[2];
}
}
}
#ifndef MC_FLOW_SIMPLE_JUDGE
#define MC_FLOW_SIMPLE_JUDGE 1
#endif //MC_FLOW_SIMPLE_JUDGE
void BaseMC (sMCRefMember* pMCRefMem, int32_t iXOffset, int32_t iYOffset, SMcFunc* pMCFunc,
int32_t iBlkWidth, int32_t iBlkHeight, int16_t iMVs[2]) {
int32_t iFullMVx = (iXOffset << 2) + iMVs[0]; //quarter pixel
int32_t iFullMVy = (iYOffset << 2) + iMVs[1];
iFullMVx = WELS_CLIP3 (iFullMVx, ((-PADDING_LENGTH + 2) * (1 << 2)),
((pMCRefMem->iPicWidth + PADDING_LENGTH - 19) * (1 << 2)));
iFullMVy = WELS_CLIP3 (iFullMVy, ((-PADDING_LENGTH + 2) * (1 << 2)),
((pMCRefMem->iPicHeight + PADDING_LENGTH - 19) * (1 << 2)));
int32_t iSrcPixOffsetLuma = (iFullMVx >> 2) + (iFullMVy >> 2) * pMCRefMem->iSrcLineLuma;
int32_t iSrcPixOffsetChroma = (iFullMVx >> 3) + (iFullMVy >> 3) * pMCRefMem->iSrcLineChroma;
int32_t iBlkWidthChroma = iBlkWidth >> 1;
int32_t iBlkHeightChroma = iBlkHeight >> 1;
uint8_t* pSrcY = pMCRefMem->pSrcY + iSrcPixOffsetLuma;
uint8_t* pSrcU = pMCRefMem->pSrcU + iSrcPixOffsetChroma;
uint8_t* pSrcV = pMCRefMem->pSrcV + iSrcPixOffsetChroma;
uint8_t* pDstY = pMCRefMem->pDstY;
uint8_t* pDstU = pMCRefMem->pDstU;
uint8_t* pDstV = pMCRefMem->pDstV;
pMCFunc->pMcLumaFunc (pSrcY, pMCRefMem->iSrcLineLuma, pDstY, pMCRefMem->iDstLineLuma, iFullMVx, iFullMVy, iBlkWidth,
iBlkHeight);
pMCFunc->pMcChromaFunc (pSrcU, pMCRefMem->iSrcLineChroma, pDstU, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy,
iBlkWidthChroma, iBlkHeightChroma);
pMCFunc->pMcChromaFunc (pSrcV, pMCRefMem->iSrcLineChroma, pDstV, pMCRefMem->iDstLineChroma, iFullMVx, iFullMVy,
iBlkWidthChroma, iBlkHeightChroma);
}
static void WeightPrediction (PDqLayer pCurDqLayer, sMCRefMember* pMCRefMem, int32_t listIdx, int32_t iRefIdx,
int32_t iBlkWidth,
int32_t iBlkHeight) {
int32_t iLog2denom, iWoc, iOoc;
int32_t iPredTemp, iLineStride;
int32_t iPixel = 0;
uint8_t* pDst;
//luma
iLog2denom = pCurDqLayer->pPredWeightTable->uiLumaLog2WeightDenom;
iWoc = pCurDqLayer->pPredWeightTable->sPredList[listIdx].iLumaWeight[iRefIdx];
iOoc = pCurDqLayer->pPredWeightTable->sPredList[listIdx].iLumaOffset[iRefIdx];
iLineStride = pMCRefMem->iDstLineLuma;
for (int i = 0; i < iBlkHeight; i++) {
for (int j = 0; j < iBlkWidth; j++) {
iPixel = j + i * (iLineStride);
if (iLog2denom >= 1) {
iPredTemp = ((pMCRefMem->pDstY[iPixel] * iWoc + (1 << (iLog2denom - 1))) >> iLog2denom) + iOoc;
pMCRefMem->pDstY[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
} else {
iPredTemp = pMCRefMem->pDstY[iPixel] * iWoc + iOoc;
pMCRefMem->pDstY[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
}
}
}
//UV
iBlkWidth = iBlkWidth >> 1;
iBlkHeight = iBlkHeight >> 1;
iLog2denom = pCurDqLayer->pPredWeightTable->uiChromaLog2WeightDenom;
iLineStride = pMCRefMem->iDstLineChroma;
for (int i = 0; i < 2; i++) {
//iLog2denom = pCurDqLayer->pPredWeightTable->uiChromaLog2WeightDenom;
iWoc = pCurDqLayer->pPredWeightTable->sPredList[listIdx].iChromaWeight[iRefIdx][i];
iOoc = pCurDqLayer->pPredWeightTable->sPredList[listIdx].iChromaOffset[iRefIdx][i];
pDst = i ? pMCRefMem->pDstV : pMCRefMem->pDstU;
//iLineStride = pMCRefMem->iDstLineChroma;
for (int i = 0; i < iBlkHeight ; i++) {
for (int j = 0; j < iBlkWidth; j++) {
iPixel = j + i * (iLineStride);
if (iLog2denom >= 1) {
iPredTemp = ((pDst[iPixel] * iWoc + (1 << (iLog2denom - 1))) >> iLog2denom) + iOoc;
pDst[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
} else {
iPredTemp = pDst[iPixel] * iWoc + iOoc;
pDst[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
}
}
}
}
}
static void BiWeightPrediction (PDqLayer pCurDqLayer, sMCRefMember* pMCRefMem, sMCRefMember* pTempMCRefMem,
int32_t iRefIdx1, int32_t iRefIdx2, bool bWeightedBipredIdcIs1, int32_t iBlkWidth,
int32_t iBlkHeight) {
int32_t iWoc1 = 0, iOoc1 = 0, iWoc2 = 0, iOoc2 = 0;
int32_t iPredTemp, iLineStride;
int32_t iPixel = 0;
//luma
int32_t iLog2denom = pCurDqLayer->pPredWeightTable->uiLumaLog2WeightDenom;
if (bWeightedBipredIdcIs1) {
iWoc1 = pCurDqLayer->pPredWeightTable->sPredList[LIST_0].iLumaWeight[iRefIdx1];
iOoc1 = pCurDqLayer->pPredWeightTable->sPredList[LIST_0].iLumaOffset[iRefIdx1];
iWoc2 = pCurDqLayer->pPredWeightTable->sPredList[LIST_1].iLumaWeight[iRefIdx2];
iOoc2 = pCurDqLayer->pPredWeightTable->sPredList[LIST_1].iLumaOffset[iRefIdx2];
} else {
iWoc1 = pCurDqLayer->pPredWeightTable->iImplicitWeight[iRefIdx1][iRefIdx2];
iWoc2 = 64 - iWoc1;
}
iLineStride = pMCRefMem->iDstLineLuma;
for (int i = 0; i < iBlkHeight; i++) {
for (int j = 0; j < iBlkWidth; j++) {
iPixel = j + i * (iLineStride);
iPredTemp = ((pMCRefMem->pDstY[iPixel] * iWoc1 + pTempMCRefMem->pDstY[iPixel] * iWoc2 + (1 << iLog2denom)) >>
(iLog2denom + 1)) + ((iOoc1 + iOoc2 + 1) >> 1);
pMCRefMem->pDstY[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
}
}
//UV
iBlkWidth = iBlkWidth >> 1;
iBlkHeight = iBlkHeight >> 1;
iLog2denom = pCurDqLayer->pPredWeightTable->uiChromaLog2WeightDenom;
iLineStride = pMCRefMem->iDstLineChroma;
uint8_t* pDst;
uint8_t* pTempDst;
for (int k = 0; k < 2; k++) {
//iLog2denom = pCurDqLayer->pPredWeightTable->uiChromaLog2WeightDenom;
if (bWeightedBipredIdcIs1) {
iWoc1 = pCurDqLayer->pPredWeightTable->sPredList[LIST_0].iChromaWeight[iRefIdx1][k];
iOoc1 = pCurDqLayer->pPredWeightTable->sPredList[LIST_0].iChromaOffset[iRefIdx1][k];
iWoc2 = pCurDqLayer->pPredWeightTable->sPredList[LIST_1].iChromaWeight[iRefIdx2][k];
iOoc2 = pCurDqLayer->pPredWeightTable->sPredList[LIST_1].iChromaOffset[iRefIdx2][k];
}
pDst = k ? pMCRefMem->pDstV : pMCRefMem->pDstU;
pTempDst = k ? pTempMCRefMem->pDstV : pTempMCRefMem->pDstU;
//iLineStride = pMCRefMem->iDstLineChroma;
for (int i = 0; i < iBlkHeight; i++) {
for (int j = 0; j < iBlkWidth; j++) {
iPixel = j + i * (iLineStride);
iPredTemp = ((pDst[iPixel] * iWoc1 + pTempDst[iPixel] * iWoc2 + (1 << iLog2denom)) >> (iLog2denom + 1)) + ((
iOoc1 + iOoc2 + 1) >> 1);
pDst[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
}
}
}
}
static void BiPrediction (PDqLayer pCurDqLayer, sMCRefMember* pMCRefMem, sMCRefMember* pTempMCRefMem, int32_t iBlkWidth,
int32_t iBlkHeight) {
int32_t iPredTemp, iLineStride;
int32_t iPixel = 0;
//luma
iLineStride = pMCRefMem->iDstLineLuma;
for (int i = 0; i < iBlkHeight; i++) {
for (int j = 0; j < iBlkWidth; j++) {
iPixel = j + i * (iLineStride);
iPredTemp = (pMCRefMem->pDstY[iPixel] + pTempMCRefMem->pDstY[iPixel] + 1) >> 1;
pMCRefMem->pDstY[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
}
}
//UV
iBlkWidth = iBlkWidth >> 1;
iBlkHeight = iBlkHeight >> 1;
iLineStride = pMCRefMem->iDstLineChroma;
uint8_t* pDst;
uint8_t* pTempDst;
for (int k = 0; k < 2; k++) {
pDst = k ? pMCRefMem->pDstV : pMCRefMem->pDstU;
pTempDst = k ? pTempMCRefMem->pDstV : pTempMCRefMem->pDstU;
//iLineStride = pMCRefMem->iDstLineChroma;
for (int i = 0; i < iBlkHeight; i++) {
for (int j = 0; j < iBlkWidth; j++) {
iPixel = j + i * (iLineStride);
iPredTemp = (pDst[iPixel] + pTempDst[iPixel] + 1) >> 1;
pDst[iPixel] = WELS_CLIP3 (iPredTemp, 0, 255);
}
}
}
}
void GetInterPred (uint8_t* pPredY, uint8_t* pPredCb, uint8_t* pPredCr, PWelsDecoderContext pCtx) {
sMCRefMember pMCRefMem;
PDqLayer pCurDqLayer = pCtx->pCurDqLayer;
SMcFunc* pMCFunc = &pCtx->sMcFunc;
int32_t iMBXY = pCurDqLayer->iMbXyIndex;
int16_t iMVs[2] = {0};
uint32_t iMBType = pCurDqLayer->pMbType[iMBXY];
int32_t iMBOffsetX = pCurDqLayer->iMbX << 4;
int32_t iMBOffsetY = pCurDqLayer->iMbY << 4;
int32_t iDstLineLuma = pCtx->pDec->iLinesize[0];
int32_t iDstLineChroma = pCtx->pDec->iLinesize[1];
int32_t iBlk8X, iBlk8Y, iBlk4X, iBlk4Y, i, j, iIIdx, iJIdx;
pMCRefMem.iPicWidth = (pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iMbWidth << 4);
pMCRefMem.iPicHeight = (pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iMbHeight << 4);
pMCRefMem.pDstY = pPredY;
pMCRefMem.pDstU = pPredCb;
pMCRefMem.pDstV = pPredCr;
pMCRefMem.iDstLineLuma = iDstLineLuma;
pMCRefMem.iDstLineChroma = iDstLineChroma;
int32_t iRefIndex = 0;
switch (iMBType) {
case MB_TYPE_SKIP:
case MB_TYPE_16x16:
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][0][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][0][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 0, LIST_0);
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 16, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
iRefIndex = pCurDqLayer->pRefIndex[0][iMBXY][0];
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 16, 16);
}
break;
case MB_TYPE_16x8:
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][0][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][0][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 0, LIST_0);
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 8, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
iRefIndex = pCurDqLayer->pRefIndex[0][iMBXY][0];
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 16, 8);
}
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][8][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][8][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 8, LIST_0);
pMCRefMem.pDstY = pPredY + (iDstLineLuma << 3);
pMCRefMem.pDstU = pPredCb + (iDstLineChroma << 2);
pMCRefMem.pDstV = pPredCr + (iDstLineChroma << 2);
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY + 8, pMCFunc, 16, 8, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
iRefIndex = pCurDqLayer->pRefIndex[0][iMBXY][8];
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 16, 8);
}
break;
case MB_TYPE_8x16:
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][0][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][0][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 0, LIST_0);
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 8, 16, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
iRefIndex = pCurDqLayer->pRefIndex[0][iMBXY][0];
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 8, 16);
}
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][2][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][2][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], 2, LIST_0);
pMCRefMem.pDstY = pPredY + 8;
pMCRefMem.pDstU = pPredCb + 4;
pMCRefMem.pDstV = pPredCr + 4;
BaseMC (&pMCRefMem, iMBOffsetX + 8, iMBOffsetY, pMCFunc, 8, 16, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
iRefIndex = pCurDqLayer->pRefIndex[0][iMBXY][2];
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 8, 16);
}
break;
case MB_TYPE_8x8:
case MB_TYPE_8x8_REF0: {
uint32_t iSubMBType;
int32_t iXOffset, iYOffset;
uint8_t* pDstY, *pDstU, *pDstV;
for (i = 0; i < 4; i++) {
iSubMBType = pCurDqLayer->pSubMbType[iMBXY][i];
iBlk8X = (i & 1) << 3;
iBlk8Y = (i >> 1) << 3;
iXOffset = iMBOffsetX + iBlk8X;
iYOffset = iMBOffsetY + iBlk8Y;
iIIdx = ((i >> 1) << 3) + ((i & 1) << 1);
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[0][iMBXY], iIIdx, LIST_0);
iRefIndex = pCurDqLayer->bUseWeightPredictionFlag ? pCurDqLayer->pRefIndex[0][iMBXY][iIIdx] : 0;
pDstY = pPredY + iBlk8X + iBlk8Y * iDstLineLuma;
pDstU = pPredCb + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma;
pDstV = pPredCr + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma;
pMCRefMem.pDstY = pDstY;
pMCRefMem.pDstU = pDstU;
pMCRefMem.pDstV = pDstV;
switch (iSubMBType) {
case SUB_MB_TYPE_8x8:
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 8, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 8, 8);
}
break;
case SUB_MB_TYPE_8x4:
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 4, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 8, 4);
}
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx + 4][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx + 4][1];
pMCRefMem.pDstY += (iDstLineLuma << 2);
pMCRefMem.pDstU += (iDstLineChroma << 1);
pMCRefMem.pDstV += (iDstLineChroma << 1);
BaseMC (&pMCRefMem, iXOffset, iYOffset + 4, pMCFunc, 8, 4, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 8, 4);
}
break;
case SUB_MB_TYPE_4x8:
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 4, 8, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 4, 8);
}
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx + 1][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx + 1][1];
pMCRefMem.pDstY += 4;
pMCRefMem.pDstU += 2;
pMCRefMem.pDstV += 2;
BaseMC (&pMCRefMem, iXOffset + 4, iYOffset, pMCFunc, 4, 8, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 4, 8);
}
break;
case SUB_MB_TYPE_4x4: {
for (j = 0; j < 4; j++) {
int32_t iUVLineStride;
iJIdx = ((j >> 1) << 2) + (j & 1);
iBlk4X = (j & 1) << 2;
iBlk4Y = (j >> 1) << 2;
iUVLineStride = (iBlk4X >> 1) + (iBlk4Y >> 1) * iDstLineChroma;
pMCRefMem.pDstY = pDstY + iBlk4X + iBlk4Y * iDstLineLuma;
pMCRefMem.pDstU = pDstU + iUVLineStride;
pMCRefMem.pDstV = pDstV + iUVLineStride;
iMVs[0] = pCurDqLayer->pMv[0][iMBXY][iIIdx + iJIdx][0];
iMVs[1] = pCurDqLayer->pMv[0][iMBXY][iIIdx + iJIdx][1];
BaseMC (&pMCRefMem, iXOffset + iBlk4X, iYOffset + iBlk4Y, pMCFunc, 4, 4, iMVs);
if (pCurDqLayer->bUseWeightPredictionFlag) {
WeightPrediction (pCurDqLayer, &pMCRefMem, LIST_0, iRefIndex, 4, 4);
}
}
}
break;
default:
break;
}
}
}
break;
default:
break;
}
}
void GetInterBPred (uint8_t* pPredYCbCr[3], uint8_t* pTempPredYCbCr[3], PWelsDecoderContext pCtx) {
sMCRefMember pMCRefMem;
sMCRefMember pTempMCRefMem;
PDqLayer pCurDqLayer = pCtx->pCurDqLayer;
SMcFunc* pMCFunc = &pCtx->sMcFunc;
int32_t iMBXY = pCurDqLayer->iMbXyIndex;
int16_t iMVs[2] = { 0 };
uint32_t iMBType = pCurDqLayer->pMbType[iMBXY];
int32_t iMBOffsetX = pCurDqLayer->iMbX << 4;
int32_t iMBOffsetY = pCurDqLayer->iMbY << 4;
int32_t iDstLineLuma = pCtx->pDec->iLinesize[0];
int32_t iDstLineChroma = pCtx->pDec->iLinesize[1];
pMCRefMem.iPicWidth = (pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iMbWidth << 4);
pMCRefMem.iPicHeight = (pCurDqLayer->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iMbHeight << 4);
pMCRefMem.pDstY = pPredYCbCr[0];
pMCRefMem.pDstU = pPredYCbCr[1];
pMCRefMem.pDstV = pPredYCbCr[2];
pMCRefMem.iDstLineLuma = iDstLineLuma;
pMCRefMem.iDstLineChroma = iDstLineChroma;
pTempMCRefMem = pMCRefMem;
pTempMCRefMem.pDstY = pTempPredYCbCr[0];
pTempMCRefMem.pDstU = pTempPredYCbCr[1];
pTempMCRefMem.pDstV = pTempPredYCbCr[2];
int32_t iRefIndex1 = 0;
int32_t iRefIndex2 = 0;
bool bWeightedBipredIdcIs1 = pCurDqLayer->sLayerInfo.pPps->uiWeightedBipredIdc == 1;
if (IS_INTER_16x16 (iMBType)) {
if (IS_TYPE_L0 (iMBType) && IS_TYPE_L1 (iMBType)) {
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][0][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][0][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[LIST_0][iMBXY], 0, LIST_0);
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 16, iMVs);
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][0][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][0][1];
GetRefPic (&pTempMCRefMem, pCtx, pCurDqLayer->pRefIndex[LIST_1][iMBXY], 0, LIST_1);
BaseMC (&pTempMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 16, iMVs);
iRefIndex1 = pCurDqLayer->pRefIndex[LIST_0][iMBXY][0];
iRefIndex2 = pCurDqLayer->pRefIndex[LIST_1][iMBXY][0];
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 16, 16);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 16, 16);
}
} else {
int32_t listIdx = (iMBType & MB_TYPE_P0L0) ? LIST_0 : LIST_1;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][0][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][0][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[listIdx][iMBXY], 0, listIdx);
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY, pMCFunc, 16, 16, iMVs);
if (bWeightedBipredIdcIs1) {
int32_t iRefIndex = pCurDqLayer->pRefIndex[listIdx][iMBXY][0];
WeightPrediction (pCurDqLayer, &pMCRefMem, listIdx, iRefIndex, 16, 16);
}
}
} else if (IS_INTER_16x8 (iMBType)) {
for (int32_t i = 0; i < 2; ++i) {
int32_t iPartIdx = i << 3;
uint32_t listCount = 0;
int32_t lastListIdx = LIST_0;
for (int32_t listIdx = LIST_0; listIdx < LIST_A; ++listIdx) {
if (IS_DIR (iMBType, i, listIdx)) {
lastListIdx = listIdx;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iPartIdx][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iPartIdx][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[listIdx][iMBXY], iPartIdx, listIdx);
if (i) {
pMCRefMem.pDstY += (iDstLineLuma << 3);
pMCRefMem.pDstU += (iDstLineChroma << 2);
pMCRefMem.pDstV += (iDstLineChroma << 2);
}
BaseMC (&pMCRefMem, iMBOffsetX, iMBOffsetY + iPartIdx, pMCFunc, 16, 8, iMVs);
if (++listCount == 2) {
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iPartIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iPartIdx][1];
GetRefPic (&pTempMCRefMem, pCtx, pCurDqLayer->pRefIndex[LIST_1][iMBXY], iPartIdx, LIST_1);
if (i) {
pTempMCRefMem.pDstY += (iDstLineLuma << 3);
pTempMCRefMem.pDstU += (iDstLineChroma << 2);
pTempMCRefMem.pDstV += (iDstLineChroma << 2);
}
BaseMC (&pTempMCRefMem, iMBOffsetX, iMBOffsetY + iPartIdx, pMCFunc, 16, 8, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
iRefIndex1 = pCurDqLayer->pRefIndex[LIST_0][iMBXY][iPartIdx];
iRefIndex2 = pCurDqLayer->pRefIndex[LIST_1][iMBXY][iPartIdx];
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 16, 8);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 16, 8);
}
}
}
}
if (listCount == 1) {
if (bWeightedBipredIdcIs1) {
int32_t iRefIndex = pCurDqLayer->pRefIndex[lastListIdx][iMBXY][iPartIdx];
WeightPrediction (pCurDqLayer, &pMCRefMem, lastListIdx, iRefIndex, 16, 8);
}
}
}
} else if (IS_INTER_8x16 (iMBType)) {
for (int32_t i = 0; i < 2; ++i) {
uint32_t listCount = 0;
int32_t lastListIdx = LIST_0;
for (int32_t listIdx = LIST_0; listIdx < LIST_A; ++listIdx) {
if (IS_DIR (iMBType, i, listIdx)) {
lastListIdx = listIdx;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][i << 1][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][i << 1][1];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[listIdx][iMBXY], i << 1, listIdx);
if (i) {
pMCRefMem.pDstY += 8;
pMCRefMem.pDstU += 4;
pMCRefMem.pDstV += 4;
}
BaseMC (&pMCRefMem, iMBOffsetX + (i ? 8 : 0), iMBOffsetY, pMCFunc, 8, 16, iMVs);
if (++listCount == 2) {
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][i << 1][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][i << 1][1];
GetRefPic (&pTempMCRefMem, pCtx, pCurDqLayer->pRefIndex[LIST_1][iMBXY], i << 1, LIST_1);
if (i) {
pTempMCRefMem.pDstY += 8;
pTempMCRefMem.pDstU += 4;
pTempMCRefMem.pDstV += 4;
}
BaseMC (&pTempMCRefMem, iMBOffsetX + (i ? 8 : 0), iMBOffsetY, pMCFunc, 8, 16, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
iRefIndex1 = pCurDqLayer->pRefIndex[LIST_0][iMBXY][i << 1];
iRefIndex2 = pCurDqLayer->pRefIndex[LIST_1][iMBXY][i << 1];
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 8, 16);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 8, 16);
}
}
}
}
if (listCount == 1) {
if (bWeightedBipredIdcIs1) {
int32_t iRefIndex = pCurDqLayer->pRefIndex[lastListIdx][iMBXY][i << 1];
WeightPrediction (pCurDqLayer, &pMCRefMem, lastListIdx, iRefIndex, 8, 16);
}
}
}
} else if (IS_Inter_8x8 (iMBType)) {
int32_t iBlk8X, iBlk8Y, iBlk4X, iBlk4Y, iIIdx, iJIdx;
uint32_t iSubMBType;
int32_t iXOffset, iYOffset;
uint8_t* pDstY, *pDstU, *pDstV;
uint8_t* pDstY2, *pDstU2, *pDstV2;
for (int32_t i = 0; i < 4; i++) {
iSubMBType = pCurDqLayer->pSubMbType[iMBXY][i];
iBlk8X = (i & 1) << 3;
iBlk8Y = (i >> 1) << 3;
iXOffset = iMBOffsetX + iBlk8X;
iYOffset = iMBOffsetY + iBlk8Y;
iIIdx = ((i >> 1) << 3) + ((i & 1) << 1);
pDstY = pPredYCbCr[0] + iBlk8X + iBlk8Y * iDstLineLuma;
pDstU = pPredYCbCr[1] + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma;
pDstV = pPredYCbCr[2] + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma;
pMCRefMem.pDstY = pDstY;
pMCRefMem.pDstU = pDstU;
pMCRefMem.pDstV = pDstV;
pTempMCRefMem = pMCRefMem;
pDstY2 = pTempPredYCbCr[0] + iBlk8X + iBlk8Y * iDstLineLuma;
pDstU2 = pTempPredYCbCr[1] + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma;
pDstV2 = pTempPredYCbCr[2] + (iBlk8X >> 1) + (iBlk8Y >> 1) * iDstLineChroma;
pTempMCRefMem.pDstY = pDstY2;
pTempMCRefMem.pDstU = pDstU2;
pTempMCRefMem.pDstV = pDstV2;
if ((IS_TYPE_L0 (iSubMBType) && IS_TYPE_L1 (iSubMBType))) {
iRefIndex1 = pCurDqLayer->pRefIndex[LIST_0][iMBXY][iIIdx];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[LIST_0][iMBXY], iIIdx, LIST_0);
iRefIndex2 = pCurDqLayer->pRefIndex[LIST_1][iMBXY][iIIdx];
GetRefPic (&pTempMCRefMem, pCtx, pCurDqLayer->pRefIndex[LIST_1][iMBXY], iIIdx, LIST_1);
} else {
int32_t listIdx = IS_TYPE_L0 (iSubMBType) ? LIST_0 : LIST_1;
iRefIndex1 = pCurDqLayer->pRefIndex[listIdx][iMBXY][iIIdx];
GetRefPic (&pMCRefMem, pCtx, pCurDqLayer->pRefIndex[listIdx][iMBXY], iIIdx, listIdx);
}
if (IS_SUB_8x8 (iSubMBType)) {
if (IS_TYPE_L0 (iSubMBType) && IS_TYPE_L1 (iSubMBType)) {
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 8, iMVs);
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx][1];
BaseMC (&pTempMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 8, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 8, 8);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 8, 8);
}
} else {
int32_t listIdx = IS_TYPE_L0 (iSubMBType) ? LIST_0 : LIST_1;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 8, iMVs);
if (bWeightedBipredIdcIs1) {
int32_t iRefIndex = pCurDqLayer->pRefIndex[listIdx][iMBXY][iIIdx];
WeightPrediction (pCurDqLayer, &pMCRefMem, listIdx, iRefIndex, 8, 8);
}
}
} else if (IS_SUB_8x4 (iSubMBType)) {
if (IS_TYPE_L0 (iSubMBType) && IS_TYPE_L1 (iSubMBType)) { //B_Bi_8x4
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 4, iMVs);
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx][1];
BaseMC (&pTempMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 4, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 8, 4);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 8, 4);
}
pMCRefMem.pDstY += (iDstLineLuma << 2);
pMCRefMem.pDstU += (iDstLineChroma << 1);
pMCRefMem.pDstV += (iDstLineChroma << 1);
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx + 4][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx + 4][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset + 4, pMCFunc, 8, 4, iMVs);
pTempMCRefMem.pDstY += (iDstLineLuma << 2);
pTempMCRefMem.pDstU += (iDstLineChroma << 1);
pTempMCRefMem.pDstV += (iDstLineChroma << 1);
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx + 4][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx + 4][1];
BaseMC (&pTempMCRefMem, iXOffset, iYOffset + 4, pMCFunc, 8, 4, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 8, 4);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 8, 4);
}
} else { //B_L0_8x4 B_L1_8x4
int32_t listIdx = IS_TYPE_L0 (iSubMBType) ? LIST_0 : LIST_1;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 8, 4, iMVs);
pMCRefMem.pDstY += (iDstLineLuma << 2);
pMCRefMem.pDstU += (iDstLineChroma << 1);
pMCRefMem.pDstV += (iDstLineChroma << 1);
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx + 4][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx + 4][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset + 4, pMCFunc, 8, 4, iMVs);
if (bWeightedBipredIdcIs1) {
int32_t iRefIndex = pCurDqLayer->pRefIndex[listIdx][iMBXY][iIIdx];
WeightPrediction (pCurDqLayer, &pMCRefMem, listIdx, iRefIndex, 8, 4);
}
}
} else if (IS_SUB_4x8 (iSubMBType)) {
if (IS_TYPE_L0 (iSubMBType) && IS_TYPE_L1 (iSubMBType)) { //B_Bi_4x8
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 4, 8, iMVs);
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx][1];
BaseMC (&pTempMCRefMem, iXOffset, iYOffset, pMCFunc, 4, 8, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 4, 8);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 4, 8);
}
pMCRefMem.pDstY += 4;
pMCRefMem.pDstU += 2;
pMCRefMem.pDstV += 2;
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx + 1][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx + 1][1];
BaseMC (&pMCRefMem, iXOffset + 4, iYOffset, pMCFunc, 4, 8, iMVs);
pTempMCRefMem.pDstY += 4;
pTempMCRefMem.pDstU += 2;
pTempMCRefMem.pDstV += 2;
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx + 1][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx + 1][1];
BaseMC (&pTempMCRefMem, iXOffset + 4, iYOffset, pMCFunc, 4, 8, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 4, 8);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 4, 8);
}
} else { //B_L0_4x8 B_L1_4x8
int32_t listIdx = IS_TYPE_L0 (iSubMBType) ? LIST_0 : LIST_1;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx][1];
BaseMC (&pMCRefMem, iXOffset, iYOffset, pMCFunc, 4, 8, iMVs);
pMCRefMem.pDstY += 4;
pMCRefMem.pDstU += 2;
pMCRefMem.pDstV += 2;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx + 1][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx + 1][1];
BaseMC (&pMCRefMem, iXOffset + 4, iYOffset, pMCFunc, 4, 8, iMVs);
if (bWeightedBipredIdcIs1) {
int32_t iRefIndex = pCurDqLayer->pRefIndex[listIdx][iMBXY][iIIdx];
WeightPrediction (pCurDqLayer, &pMCRefMem, listIdx, iRefIndex, 4, 8);
}
}
} else if (IS_SUB_4x4 (iSubMBType)) {
if (IS_TYPE_L0 (iSubMBType) && IS_TYPE_L1 (iSubMBType)) {
for (int32_t j = 0; j < 4; j++) {
int32_t iUVLineStride;
iJIdx = ((j >> 1) << 2) + (j & 1);
iBlk4X = (j & 1) << 2;
iBlk4Y = (j >> 1) << 2;
iUVLineStride = (iBlk4X >> 1) + (iBlk4Y >> 1) * iDstLineChroma;
pMCRefMem.pDstY = pDstY + iBlk4X + iBlk4Y * iDstLineLuma;
pMCRefMem.pDstU = pDstU + iUVLineStride;
pMCRefMem.pDstV = pDstV + iUVLineStride;
iMVs[0] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx + iJIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_0][iMBXY][iIIdx + iJIdx][1];
BaseMC (&pMCRefMem, iXOffset + iBlk4X, iYOffset + iBlk4Y, pMCFunc, 4, 4, iMVs);
pTempMCRefMem.pDstY = pDstY2 + iBlk8X + iBlk8Y * iDstLineLuma;
pTempMCRefMem.pDstU = pDstU2 + iUVLineStride;
pTempMCRefMem.pDstV = pDstV2 + iUVLineStride;;
iMVs[0] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx + iJIdx][0];
iMVs[1] = pCurDqLayer->pMv[LIST_1][iMBXY][iIIdx + iJIdx][1];
BaseMC (&pTempMCRefMem, iXOffset + iBlk4X, iYOffset + iBlk4Y, pMCFunc, 4, 4, iMVs);
if (pCurDqLayer->bUseWeightedBiPredIdc) {
BiWeightPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, iRefIndex1, iRefIndex2, bWeightedBipredIdcIs1, 4, 4);
} else {
BiPrediction (pCurDqLayer, &pMCRefMem, &pTempMCRefMem, 4, 4);
}
}
} else {
int32_t listIdx = IS_TYPE_L0 (iSubMBType) ? LIST_0 : LIST_1;
int32_t iRefIndex = pCurDqLayer->pRefIndex[listIdx][iMBXY][iIIdx];
for (int32_t j = 0; j < 4; j++) {
int32_t iUVLineStride;
iJIdx = ((j >> 1) << 2) + (j & 1);
iBlk4X = (j & 1) << 2;
iBlk4Y = (j >> 1) << 2;
iUVLineStride = (iBlk4X >> 1) + (iBlk4Y >> 1) * iDstLineChroma;
pMCRefMem.pDstY = pDstY + iBlk4X + iBlk4Y * iDstLineLuma;
pMCRefMem.pDstU = pDstU + iUVLineStride;
pMCRefMem.pDstV = pDstV + iUVLineStride;
iMVs[0] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx + iJIdx][0];
iMVs[1] = pCurDqLayer->pMv[listIdx][iMBXY][iIIdx + iJIdx][1];
BaseMC (&pMCRefMem, iXOffset + iBlk4X, iYOffset + iBlk4Y, pMCFunc, 4, 4, iMVs);
if (bWeightedBipredIdcIs1) {
WeightPrediction (pCurDqLayer, &pMCRefMem, listIdx, iRefIndex, 4, 4);
}
}
}
}
}
}
}
int32_t RecChroma (int32_t iMBXY, PWelsDecoderContext pCtx, int16_t* pScoeffLevel, PDqLayer pDqLayer) {
int32_t iChromaStride = pCtx->pCurDqLayer->pDec->iLinesize[1];
PIdctFourResAddPredFunc pIdctFourResAddPredFunc = pCtx->pIdctFourResAddPredFunc;
uint8_t i = 0;
uint8_t uiCbpC = pDqLayer->pCbp[iMBXY] >> 4;
if (1 == uiCbpC || 2 == uiCbpC) {
for (i = 0; i < 2; i++) {
int16_t* pRS = pScoeffLevel + 256 + (i << 6);
uint8_t* pPred = pDqLayer->pPred[i + 1];
const int8_t* pNzc = pDqLayer->pNzc[iMBXY] + 16 + 2 * i;
/*1 chroma is divided 4 4x4_block to idct*/
pIdctFourResAddPredFunc (pPred, iChromaStride, pRS, pNzc);
}
}
return ERR_NONE;
}
} // namespace WelsDec