openh264/test/encoder/EncUT_GetIntraPredictor.cpp

557 lines
17 KiB
C++

#include <gtest/gtest.h>
#include <stdlib.h>
#include "get_intra_predictor.h"
#include "ls_defines.h"
#include "macros.h"
using namespace WelsEnc;
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;
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};
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));
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;
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;
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;
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;
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;
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;
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));
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;
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, TestGetIChromaPredV) {
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;
WelsIChromaPredV_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;
}