ref: 78109f36ad607991dadd66b7fcb5c47859e7c814
dir: /test/encoder/EncUT_GetIntraPredictor.cpp/
#include<gtest/gtest.h> #include<stdlib.h> #include "get_intra_predictor.h" #include "ls_defines.h" #include "macros.h" using namespace WelsSVCEnc; TEST (GetIntraPredictorTest, TestGetI4x4LumaPredV) { uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[64]; for (int i = 0; i < 64; i++) pRef[i] = rand() % 256; const int32_t kkiStride = 0; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredV_c (pPred, pRef, kkiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&pRef[-kkiStride])); delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredH) { const int32_t kiStride = rand() % 256 + 16; const uint32_t kiStride2 = (kiStride << 1) - 1; const uint32_t kiStride3 = kiStride + kiStride2; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[kiStride3 + 2]; for (int i = 0; i < (static_cast<int32_t> (kiStride3 + 2)); i++) pRef[i] = rand() % 256; pRef++; const uint8_t kuiH1 = pRef[-1]; const uint8_t kuiH2 = pRef[kiStride - 1]; const uint8_t kuiH3 = pRef[kiStride2]; const uint8_t kuiH4 = pRef[kiStride3]; const uint8_t kuiV1[4] = {kuiH1, kuiH1, kuiH1, kuiH1}; const uint8_t kuiV2[4] = {kuiH2, kuiH2, kuiH2, kuiH2}; const uint8_t kuiV3[4] = {kuiH3, kuiH3, kuiH3, kuiH3}; const uint8_t kuiV4[4] = {kuiH4, kuiH4, kuiH4, kuiH4}; const uint32_t kuiCpuFlag = 0; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows ST32 (&uiV[0], LD32 (kuiV1)); ST32 (&uiV[4], LD32 (kuiV2)); ST32 (&uiV[8], LD32 (kuiV3)); ST32 (&uiV[12], LD32 (kuiV4)); WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredH_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); pRef--; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredDDL) { const int32_t kiStride = 0; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[64]; for (int i = 0; i < 64; i++) pRef[i] = rand() % 256; const uint8_t kuiT0 = pRef[-kiStride]; const uint8_t kuiT1 = pRef[1 - kiStride]; const uint8_t kuiT2 = pRef[2 - kiStride]; const uint8_t kuiT3 = pRef[3 - kiStride]; const uint8_t kuiT4 = pRef[4 - kiStride]; const uint8_t kuiT5 = pRef[5 - kiStride]; const uint8_t kuiT6 = pRef[6 - kiStride]; const uint8_t kuiT7 = pRef[7 - kiStride]; const uint8_t kuiDDL0 = (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2; const uint8_t kuiDDL1 = (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2; const uint8_t kuiDDL2 = (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2; const uint8_t kuiDDL3 = (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2; const uint8_t kuiDDL4 = (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2; const uint8_t kuiDDL5 = (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2; const uint8_t kuiDDL6 = (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = kuiDDL0; uiV[1] = uiV[4] = kuiDDL1; uiV[2] = uiV[5] = uiV[8] = kuiDDL2; uiV[3] = uiV[6] = uiV[9] = uiV[12] = kuiDDL3; uiV[7] = uiV[10] = uiV[13] = kuiDDL4; uiV[11] = uiV[14] = kuiDDL5; uiV[15] = kuiDDL6; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredDDL_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredDDLTop) { const int32_t kiStride = 0; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[64]; for (int i = 0; i < 64; i++) pRef[i] = rand() % 256; const uint8_t kuiT0 = pRef[-kiStride]; const uint8_t kuiT1 = pRef[1 - kiStride]; const uint8_t kuiT2 = pRef[2 - kiStride]; const uint8_t kuiT3 = pRef[3 - kiStride]; const uint8_t kuiDLT0 = (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2; const uint8_t kuiDLT1 = (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2; const uint8_t kuiDLT2 = (2 + kuiT2 + kuiT3 + (kuiT3 << 1)) >> 2; const uint8_t kuiDLT3 = (2 + (kuiT3 << 2)) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows memset (&uiV[6], kuiDLT3, 10 * sizeof (uint8_t)); uiV[0] = kuiDLT0; uiV[1] = uiV[4] = kuiDLT1; uiV[2] = uiV[5] = uiV[8] = kuiDLT2; uiV[3] = kuiDLT3; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredDDLTop_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredDDR) { const int32_t kiStride = rand() % 256 + 16; const int32_t kiStride2 = kiStride << 1; const int32_t kiStride3 = kiStride + kiStride2; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[kiStride3 + kiStride + 1]; for (int i = 0; i < kiStride3 + kiStride + 1; i++) pRef[i] = rand() % 256; pRef += kiStride + 1; const uint8_t kuiLT = pRef[-kiStride - 1]; const uint8_t kuiL0 = pRef[-1]; const uint8_t kuiL1 = pRef[kiStride - 1]; const uint8_t kuiL2 = pRef[kiStride2 - 1]; const uint8_t kuiL3 = pRef[kiStride3 - 1]; const uint8_t kuiT0 = pRef[-kiStride]; const uint8_t kuiT1 = pRef[1 - kiStride]; const uint8_t kuiT2 = pRef[2 - kiStride]; const uint8_t kuiT3 = pRef[3 - kiStride]; const uint16_t kuiTL0 = 1 + kuiLT + kuiL0; const uint16_t kuiLT0 = 1 + kuiLT + kuiT0; const uint16_t kuiT01 = 1 + kuiT0 + kuiT1; const uint16_t kuiT12 = 1 + kuiT1 + kuiT2; const uint16_t kuiT23 = 1 + kuiT2 + kuiT3; const uint16_t kuiL01 = 1 + kuiL0 + kuiL1; const uint16_t kuiL12 = 1 + kuiL1 + kuiL2; const uint16_t kuiL23 = 1 + kuiL2 + kuiL3; const uint8_t kuiDDR0 = (kuiTL0 + kuiLT0) >> 2; const uint8_t kuiDDR1 = (kuiLT0 + kuiT01) >> 2; const uint8_t kuiDDR2 = (kuiT01 + kuiT12) >> 2; const uint8_t kuiDDR3 = (kuiT12 + kuiT23) >> 2; const uint8_t kuiDDR4 = (kuiTL0 + kuiL01) >> 2; const uint8_t kuiDDR5 = (kuiL01 + kuiL12) >> 2; const uint8_t kuiDDR6 = (kuiL12 + kuiL23) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = uiV[5] = uiV[10] = uiV[15] = kuiDDR0; uiV[1] = uiV[6] = uiV[11] = kuiDDR1; uiV[2] = uiV[7] = kuiDDR2; uiV[3] = kuiDDR3; uiV[4] = uiV[9] = uiV[14] = kuiDDR4; uiV[8] = uiV[13] = kuiDDR5; uiV[12] = kuiDDR6; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredDDR_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); pRef -= kiStride + 1; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredVL) { const int32_t kiStride = 0; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[64]; for (int i = 0; i < 64; i++) pRef[i] = rand() % 256; const uint8_t kuiT0 = pRef[-kiStride]; const uint8_t kuiT1 = pRef[1 - kiStride]; const uint8_t kuiT2 = pRef[2 - kiStride]; const uint8_t kuiT3 = pRef[3 - kiStride]; const uint8_t kuiT4 = pRef[4 - kiStride]; const uint8_t kuiT5 = pRef[5 - kiStride]; const uint8_t kuiT6 = pRef[6 - kiStride]; const uint8_t kuiVL0 = (1 + kuiT0 + kuiT1) >> 1; const uint8_t kuiVL1 = (1 + kuiT1 + kuiT2) >> 1; const uint8_t kuiVL2 = (1 + kuiT2 + kuiT3) >> 1; const uint8_t kuiVL3 = (1 + kuiT3 + kuiT4) >> 1; const uint8_t kuiVL4 = (1 + kuiT4 + kuiT5) >> 1; const uint8_t kuiVL5 = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2; const uint8_t kuiVL6 = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2; const uint8_t kuiVL7 = (2 + kuiT2 + (kuiT3 << 1) + kuiT4) >> 2; const uint8_t kuiVL8 = (2 + kuiT3 + (kuiT4 << 1) + kuiT5) >> 2; const uint8_t kuiVL9 = (2 + kuiT4 + (kuiT5 << 1) + kuiT6) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = kuiVL0; uiV[1] = uiV[8] = kuiVL1; uiV[2] = uiV[9] = kuiVL2; uiV[3] = uiV[10] = kuiVL3; uiV[4] = kuiVL5; uiV[5] = uiV[12] = kuiVL6; uiV[6] = uiV[13] = kuiVL7; uiV[7] = uiV[14] = kuiVL8; uiV[11] = kuiVL4; uiV[15] = kuiVL9; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredVL_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredVLTop) { const int32_t kiStride = 0; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[64]; for (int i = 0; i < 64; i++) pRef[i] = rand() % 256; pRef++; uint8_t* pTopLeft = &pRef[-kiStride - 1]; // top-left const uint8_t kuiT0 = * (pTopLeft + 1); const uint8_t kuiT1 = * (pTopLeft + 2); const uint8_t kuiT2 = * (pTopLeft + 3); const uint8_t kuiT3 = * (pTopLeft + 4); const uint8_t kuiVLT0 = (1 + kuiT0 + kuiT1) >> 1; const uint8_t kuiVLT1 = (1 + kuiT1 + kuiT2) >> 1; const uint8_t kuiVLT2 = (1 + kuiT2 + kuiT3) >> 1; const uint8_t kuiVLT3 = (1 + (kuiT3 << 1)) >> 1; const uint8_t kuiVLT4 = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2; const uint8_t kuiVLT5 = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2; const uint8_t kuiVLT6 = (2 + kuiT2 + (kuiT3 << 1) + kuiT3) >> 2; const uint8_t kuiVLT7 = (2 + (kuiT3 << 2)) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = kuiVLT0; uiV[1] = uiV[8] = kuiVLT1; uiV[2] = uiV[9] = kuiVLT2; uiV[3] = uiV[10] = uiV[11] = kuiVLT3; uiV[4] = kuiVLT4; uiV[5] = uiV[12] = kuiVLT5; uiV[6] = uiV[13] = kuiVLT6; uiV[7] = uiV[14] = uiV[15] = kuiVLT7; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredVLTop_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); pRef--; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredVR) { const int32_t kiStride = rand() % 256 + 16; const int32_t kiStride2 = kiStride << 1; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[kiStride2 + kiStride + 1]; for (int i = 0; i < kiStride2 + kiStride + 1; i++) pRef[i] = rand() % 256; pRef += kiStride + 1; const uint8_t kuiLT = pRef[-kiStride - 1]; // top-left const uint8_t kuiL0 = pRef[-1]; const uint8_t kuiL1 = pRef[kiStride - 1]; const uint8_t kuiL2 = pRef[kiStride2 - 1]; const uint8_t kuiT0 = pRef[-kiStride]; const uint8_t kuiT1 = pRef[1 - kiStride]; const uint8_t kuiT2 = pRef[2 - kiStride]; const uint8_t kuiT3 = pRef[3 - kiStride]; const uint8_t kuiVR0 = (1 + kuiLT + kuiT0) >> 1; const uint8_t kuiVR1 = (1 + kuiT0 + kuiT1) >> 1; const uint8_t kuiVR2 = (1 + kuiT1 + kuiT2) >> 1; const uint8_t kuiVR3 = (1 + kuiT2 + kuiT3) >> 1; const uint8_t kuiVR4 = (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2; const uint8_t kuiVR5 = (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2; const uint8_t kuiVR6 = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2; const uint8_t kuiVR7 = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2; const uint8_t kuiVR8 = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2; const uint8_t kuiVR9 = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = uiV[9] = kuiVR0; uiV[1] = uiV[10] = kuiVR1; uiV[2] = uiV[11] = kuiVR2; uiV[3] = kuiVR3; uiV[4] = uiV[13] = kuiVR4; uiV[5] = uiV[14] = kuiVR5; uiV[6] = uiV[15] = kuiVR6; uiV[7] = kuiVR7; uiV[8] = kuiVR8; uiV[12] = kuiVR9; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredVR_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); pRef -= kiStride + 1; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredHU) { const int32_t kiStride = rand() % 256 + 16; const int32_t kiStride2 = kiStride << 1; const int32_t kiStride3 = kiStride + kiStride2; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[kiStride3 + 1]; for (int i = 0; i < kiStride3 + 1; i++) pRef[i] = rand() % 256; pRef++; const uint8_t kuiL0 = pRef[-1]; const uint8_t kuiL1 = pRef[kiStride - 1]; const uint8_t kuiL2 = pRef[kiStride2 - 1]; const uint8_t kuiL3 = pRef[kiStride3 - 1]; const uint16_t kuiL01 = (1 + kuiL0 + kuiL1); const uint16_t kuiL12 = (1 + kuiL1 + kuiL2); const uint16_t kuiL23 = (1 + kuiL2 + kuiL3); const uint8_t kuiHU0 = kuiL01 >> 1; const uint8_t kuiHU1 = (kuiL01 + kuiL12) >> 2; const uint8_t kuiHU2 = kuiL12 >> 1; const uint8_t kuiHU3 = (kuiL12 + kuiL23) >> 2; const uint8_t kuiHU4 = kuiL23 >> 1; const uint8_t kuiHU5 = (1 + kuiL23 + (kuiL3 << 1)) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = kuiHU0; uiV[1] = kuiHU1; uiV[2] = uiV[4] = kuiHU2; uiV[3] = uiV[5] = kuiHU3; uiV[6] = uiV[8] = kuiHU4; uiV[7] = uiV[9] = kuiHU5; memset (&uiV[10], kuiL3, 6 * sizeof (uint8_t)); const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredHU_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); pRef--; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI4x4LumaPredHD) { const int32_t kiStride = rand() % 256 + 16; const int32_t kiStride2 = kiStride << 1; const int32_t kiStride3 = kiStride + kiStride2; uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[kiStride3 + kiStride + 1]; for (int i = 0; i < kiStride3 + kiStride + 1; i++) pRef[i] = rand() % 256; pRef += kiStride + 1; const uint8_t kuiLT = pRef[-kiStride - 1]; // top-left const uint8_t kuiL0 = pRef[-1]; const uint8_t kuiL1 = pRef[kiStride - 1]; const uint8_t kuiL2 = pRef[kiStride2 - 1]; const uint8_t kuiL3 = pRef[kiStride3 - 1]; const uint8_t kuiT0 = pRef[-kiStride]; const uint8_t kuiT1 = pRef[1 - kiStride]; const uint8_t kuiT2 = pRef[2 - kiStride]; const uint8_t kuiHD0 = (1 + kuiLT + kuiL0) >> 1; const uint8_t kuiHD1 = (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2; const uint8_t kuiHD2 = (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2; const uint8_t kuiHD3 = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2; const uint8_t kuiHD4 = (1 + kuiL0 + kuiL1) >> 1; const uint8_t kuiHD5 = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2; const uint8_t kuiHD6 = (1 + kuiL1 + kuiL2) >> 1; const uint8_t kuiHD7 = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2; const uint8_t kuiHD8 = (1 + kuiL2 + kuiL3) >> 1; const uint8_t kuiHD9 = (2 + kuiL1 + (kuiL2 << 1) + kuiL3) >> 2; ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows uiV[0] = uiV[6] = kuiHD0; uiV[1] = uiV[7] = kuiHD1; uiV[2] = kuiHD2; uiV[3] = kuiHD3; uiV[4] = uiV[10] = kuiHD4; uiV[5] = uiV[11] = kuiHD5; uiV[8] = uiV[14] = kuiHD6; uiV[9] = uiV[15] = kuiHD7; uiV[12] = kuiHD8; uiV[13] = kuiHD9; const uint32_t kuiCpuFlag = 0; WelsInitFillingPredFuncs (kuiCpuFlag); WelsI4x4LumaPredHD_c (pPred, pRef, kiStride); for (int i = 0; i < 4; i++) EXPECT_EQ (LD32 (&pPred[4 * i]), LD32 (&uiV[4 * i])); pRef -= kiStride + 1; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetIChormaPredV) { uint8_t* pPred = new uint8_t[64]; uint8_t* pRef = new uint8_t[64]; for (int i = 0; i < 64; i++) pRef[i] = rand() % 256 + 1; const int32_t kiStride = 0; WelsIChormaPredV_c (pPred, pRef, kiStride); for (int i = 0; i < 8; i++) EXPECT_EQ (LD32 (&pPred[8 * i]), LD32 (&pRef[-kiStride])); delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI16x16LumaPredPlane) { const int32_t kiStride = rand() % 16 + 16; int32_t i, j; uint8_t* pPred = new uint8_t[16 * kiStride]; uint8_t* pRef = new uint8_t[16 * kiStride + 1]; for (i = 0; i < 16 * kiStride + 1; i++) pRef[i] = rand() % 256 + 1; pRef += kiStride + 1; int32_t iA = 0, iB = 0, iC = 0, iH = 0, iV = 0; uint8_t* pTop = &pRef[-kiStride]; uint8_t* pLeft = &pRef[-1]; int32_t iPredStride = 16; for (i = 0; i < 8; i++) { iH += (i + 1) * (pTop[8 + i] - pTop[6 - i]); iV += (i + 1) * (pLeft[ (8 + i) * kiStride] - pLeft[ (6 - i) * kiStride]); } iA = (pLeft[15 * kiStride] + pTop[15]) << 4; iB = (5 * iH + 32) >> 6; iC = (5 * iV + 32) >> 6; WelsI16x16LumaPredPlane_c (pPred, pRef, kiStride); for (i = 0; i < 16; i++) { for (j = 0; j < 16; j++) { EXPECT_EQ (pPred[j], (uint8_t)WelsClip1 ((iA + iB * (j - 7) + iC * (i - 7) + 16) >> 5)); } pPred += iPredStride; } pRef -= kiStride + 1; pPred -= (iPredStride * 16); delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI16x16LumaPredDc) { const int32_t kiStride = rand() % 16 + 16; int i; uint8_t* pPred = new uint8_t[256]; uint8_t* pRef = new uint8_t[16 * kiStride]; for (i = 0; i < 16 * kiStride; i++) pRef[i] = rand() % 256 + 1; pRef += kiStride; int32_t iTmp = (kiStride << 4) - kiStride; int32_t iSum = 0; i = 15; uint8_t uiMean = 0; do { iSum += pRef[-1 + iTmp] + pRef[-kiStride + i]; iTmp -= kiStride; } while (i-- > 0); uiMean = (16 + iSum) >> 5; WelsI16x16LumaPredDc_c (pPred, pRef, kiStride); for (i = 0; i < 256; i++) EXPECT_EQ (pPred[i], uiMean); pRef -= kiStride; delete []pRef; delete []pPred; } TEST (GetIntraPredictorTest, TestGetI16x16LumaPredDcTop) { const int32_t kiStride = rand() % 16 + 16; int i; uint8_t* pPred = new uint8_t[256]; uint8_t* pRef = new uint8_t[16 * kiStride]; for (i = 0; i < 16 * kiStride; i++) pRef[i] = rand() % 256 + 1; pRef += kiStride; int32_t iSum = 0; i = 15; uint8_t uiMean = 0; do { iSum += pRef[-kiStride + i]; } while (i-- > 0); uiMean = (8 + iSum) >> 4; WelsI16x16LumaPredDcTop_c (pPred, pRef, kiStride); for (i = 0; i < 256; i++) EXPECT_EQ (pPred[i], uiMean); pRef -= kiStride; delete []pRef; delete []pPred; }