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Add partly UT code for deblocking filter

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This commit is contained in:
Haibo Zhu 2014-09-11 17:51:05 -07:00
parent 007fb47004
commit 3593f2e3e7
1 changed files with 396 additions and 0 deletions
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test/decoder/DecUT_DeblockCommon.cpp Normal file
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#include <gtest/gtest.h>
#include "../../codec/decoder/core/inc/deblocking.h"
#include "../../codec/common/inc/deblocking_common.h"
#define CLIP3(VALUE, MIN, MAX) ((VALUE) < (MIN) ? (MIN) : ((VALUE) > (MAX) ? (MAX) : (VALUE)))
using namespace WelsDec;
/* extern pure C functions */
extern void DeblockLumaLt4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta,
int8_t* pTc);
extern void DeblockLumaEq4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta);
extern void DeblockChromaLt4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha,
int32_t iBeta, int8_t* pTc);
extern void DeblockChromaEq4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha,
int32_t iBeta);
/* Macros body */
#define GENERATE_DATA_DEBLOCKING(pBase, pRef, iWidth) \
if (iNum==0) { \
iAlpha = 255; \
iBeta = 18; \
iTc[0] = iTc[1] = iTc[2] = iTc[3] = 25; \
pBase[0] = pRef[0] = 128; \
for (int i = 1; i < iWidth*iWidth; i++) { \
pBase[i] = pRef[i] = CLIP3(0, 255, pBase[i-1] -16 + rand()%32); \
} \
} else if (iNum==1) { \
iAlpha = 4; \
iBeta = 2; \
iTc[0] = iTc[1] = iTc[2] = iTc[3] = 9; \
pBase[0] = pRef[0] = 128; \
for (int i = 1; i < iWidth*iWidth; i++) { \
pBase[i] = pRef[i] = CLIP3(0, 255, pBase[i-1] -4 + rand()%8); \
} \
} else { \
iAlpha = rand() % 256; \
iBeta = rand() % 19; \
for (int i=0; i<4; i++) { \
iTc[i] = rand() % 26; \
} \
for (int i = 0; i < iWidth*iWidth; i++) { \
pBase[i] = pRef[i] = rand() % 256; \
} \
}
/* Anchor functions body, some directly from the current code */
void anchor_DeblockingLumaNormal (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta,
int8_t* pTc) {
// void DeblockLumaLt4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta, int8_t* pTc)
// bS<4, Section 8.7.2.3
int32_t p[3];
int32_t q[3];
int32_t iTc;
int32_t iDelta;
int32_t iIndexTc;
for (int iLine = 0; iLine < 16; iLine++) {
iIndexTc = iLine >> 2;
iTc = pTc[iIndexTc];
for (int m = 0; m < 3; m++) {
p[m] = pPix[iStrideX * -1 * (m + 1)];
q[m] = pPix[iStrideX * m];
}// for
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-470
if (abs (p[2] - p[0]) < iBeta) {
pPix[iStrideX * -2] = p[1] + CLIP3 (((p[2] + ((p[0] + q[0] + 1) >> 1) - (p[1] << 1)) >> 1), -1 * pTc[iIndexTc],
pTc[iIndexTc]);
iTc++;
}
// 8-472
if (abs (q[2] - q[0]) < iBeta) {
pPix[iStrideX * 1] = q[1] + CLIP3 (((q[2] + ((p[0] + q[0] + 1) >> 1) - (q[1] << 1)) >> 1), -1 * pTc[iIndexTc],
pTc[iIndexTc]);
iTc++;
}
// 8-467,468,469
iDelta = CLIP3 (((((q[0] - p[0]) << 2) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
pPix[iStrideX * -1] = CLIP3 ((p[0] + iDelta), 0, 255);
pPix[0] = CLIP3 ((q[0] - iDelta), 0, 255);
}
// Next line
pPix += iStrideY;
}
}
void anchor_DeblockingLumaIntra (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta) {
// void DeblockLumaEq4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta)
// bS==4, Section 8.7.2.4
int32_t p[4], q[4];
for (int iLine = 0; iLine < 16; iLine++) {
for (int m = 0; m < 4; m++) {
p[m] = pPix[iStrideX * -1 * (m + 1)];
q[m] = pPix[iStrideX * m];
}
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-476
if (abs (p[2] - p[0]) < iBeta && abs (p[0] - q[0]) < ((iAlpha >> 2) + 2)) {
// 8-477,478, 479
pPix[iStrideX * -1] = (p[2] + 2 * p[1] + 2 * p[0] + 2 * q[0] + q[1] + 4) >> 3;
pPix[iStrideX * -2] = (p[2] + p[1] + p[0] + q[0] + 2) >> 2;
pPix[iStrideX * -3] = (2 * p[3] + 3 * p[2] + p[1] + p[0] + q[0] + 4) >> 3;
} else {
// 8-480
pPix[iStrideX * -1] = (2 * p[1] + p[0] + q[1] + 2) >> 2;
}
// 8-483
if (abs (q[2] - q[0]) < iBeta && abs (p[0] - q[0]) < ((iAlpha >> 2) + 2)) {
// 8-484,485,486
pPix[ 0 ] = (p[1] + 2 * p[0] + 2 * q[0] + 2 * q[1] + q[2] + 4) >> 3;
pPix[1 * iStrideX ] = (p[0] + q[0] + q[1] + q[2] + 2) >> 2;
pPix[2 * iStrideX ] = (2 * q[3] + 3 * q[2] + q[1] + q[0] + p[0] + 4) >> 3;
} else {
// 8-487
pPix[0 * iStrideX ] = (2 * q[1] + q[0] + p[1] + 2) >> 2;
}
}
// Next line
pPix += iStrideY;
}
}
void anchor_DeblockingChromaNormal (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY,
int32_t iAlpha, int32_t iBeta, int8_t* pTc) {
// void DeblockChromaLt4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta, int8_t* pTc)
// Section 8.7.2.3
int32_t p[2], q[2];
int32_t iIndexTc;
int32_t iDelta;
int32_t iTc;
for (int iLine = 0; iLine < 8; iLine++) {
iIndexTc = iLine >> 1;
iTc = pTc[iIndexTc];
/* for Cb */
for (int m = 0; m < 2; m++) {
p[m] = pPixCb[iStrideX * -1 * (m + 1)];
q[m] = pPixCb[iStrideX * m];
}
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-467, 468, 469
iDelta = CLIP3 (((((q[0] - p[0]) << 2) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
pPixCb[iStrideX * -1] = CLIP3 ((p[0] + iDelta), 0, 255);
pPixCb[iStrideX * 0 ] = CLIP3 ((q[0] - iDelta), 0, 255);
}
pPixCb += iStrideY;
/* for Cr */
for (int m = 0; m < 2; m++) {
p[m] = pPixCr[iStrideX * -1 * (m + 1)];
q[m] = pPixCr[iStrideX * m];
}
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-467, 468, 469
iDelta = CLIP3 (((((q[0] - p[0]) << 2) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
pPixCr[iStrideX * -1] = CLIP3 ((p[0] + iDelta), 0, 255);
pPixCr[iStrideX * 0 ] = CLIP3 ((q[0] - iDelta), 0, 255);
}
pPixCr += iStrideY;
}
}
void anchor_DeblockingChromaIntra (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha,
int32_t iBeta) {
//void DeblockChromaEq4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta)
// Section 8.7.2.4
int32_t p[2], q[2];
for (int iLine = 0; iLine < 8; iLine++) {
/* for Cb */
for (int m = 0; m < 2; m++) {
p[m] = pPixCb[iStrideX * -1 * (m + 1)];
q[m] = pPixCb[iStrideX * m];
}
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-480, 487
pPixCb[iStrideX * -1] = CLIP3 ((2 * p[1] + p[0] + q[1] + 2) >> 2, 0, 255);
pPixCb[iStrideX * 0 ] = CLIP3 ((2 * q[1] + q[0] + p[1] + 2) >> 2, 0, 255);
}
pPixCb += iStrideY;
/* for Cr */
for (int m = 0; m < 2; m++) {
p[m] = pPixCr[iStrideX * -1 * (m + 1)];
q[m] = pPixCr[iStrideX * m];
}
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-480, 487
pPixCr[iStrideX * -1] = CLIP3 ((2 * p[1] + p[0] + q[1] + 2) >> 2, 0, 255);
pPixCr[iStrideX * 0 ] = CLIP3 ((2 * q[1] + q[0] + p[1] + 2) >> 2, 0, 255);
}
pPixCr += iStrideY;
}
}
/* Unit test functions body */
TEST (DeblockingCommon, DeblockLumaLt4_c) {
// void DeblockLumaLt4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta, int8_t* pTc)
#define TEST_CYCLE 1000
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixBase, 16 * 16, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixRef, 16 * 16, 16);
int32_t iAlpha, iBeta;
ENFORCE_STACK_ALIGN_1D (int8_t, iTc, 4, 16);
bool bEqual = true;
for (int iNum = 0; bEqual && iNum < TEST_CYCLE; iNum++) {
/* Horizontal */
GENERATE_DATA_DEBLOCKING (iPixBase, iPixRef, 16)
anchor_DeblockingLumaNormal (&iPixBase[8 * 1], 1, 16, iAlpha, iBeta, iTc);
DeblockLumaLt4_c (&iPixRef[8 * 1], 1, 16, iAlpha, iBeta, iTc);
for (int i = 0; i < 16 * 16; i++) {
if (iPixBase[i] != iPixRef[i]) {
bEqual = false;
break;
}
}
/* Vertical */
GENERATE_DATA_DEBLOCKING (iPixBase, iPixRef, 16)
anchor_DeblockingLumaNormal (&iPixBase[8 * 16], 16, 1, iAlpha, iBeta, iTc);
DeblockLumaLt4_c (&iPixRef[8 * 16], 16, 1, iAlpha, iBeta, iTc);
for (int i = 0; i < 16 * 16; i++) {
if (iPixBase[i] != iPixRef[i]) {
bEqual = false;
break;
}
}
}
EXPECT_TRUE (bEqual);
}
TEST (DeblockingCommon, DeblockLumaEq4_c) {
//void DeblockLumaEq4_c (uint8_t* pPix, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta)
#define TEST_CYCLE 1000
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixBase, 16 * 16, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixRef, 16 * 16, 16);
int32_t iAlpha, iBeta;
/* NOT used here */
ENFORCE_STACK_ALIGN_1D (int8_t, iTc, 4, 16);
bool bEqual = true;
for (int iNum = 0; bEqual && iNum < TEST_CYCLE; iNum++) {
/* Horizontal */
GENERATE_DATA_DEBLOCKING (iPixBase, iPixRef, 16)
anchor_DeblockingLumaIntra (&iPixBase[8 * 1], 1, 16, iAlpha, iBeta);
DeblockLumaEq4_c (&iPixRef[8 * 1], 1, 16, iAlpha, iBeta);
for (int i = 0; i < 16 * 16; i++) {
if (iPixBase[i] != iPixRef[i]) {
bEqual = false;
break;
}
}
/* Vertical */
GENERATE_DATA_DEBLOCKING (iPixBase, iPixRef, 16)
anchor_DeblockingLumaIntra (&iPixBase[8 * 16], 16, 1, iAlpha, iBeta);
DeblockLumaEq4_c (&iPixRef[8 * 16], 16, 1, iAlpha, iBeta);
for (int i = 0; i < 16 * 16; i++) {
if (iPixBase[i] != iPixRef[i]) {
bEqual = false;
break;
}
}
}
EXPECT_TRUE (bEqual);
}
TEST (DeblockingCommon, DeblockChromaLt4_c) {
// void DeblockChromaLt4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta, int8_t* pTc)
#define TEST_CYCLE 1000
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCbBase, 8 * 8, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCrBase, 8 * 8, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCbRef, 8 * 8, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCrRef, 8 * 8, 16);
int32_t iAlpha, iBeta;
ENFORCE_STACK_ALIGN_1D (int8_t, iTc, 4, 16);
bool bEqual = true;
for (int iNum = 0; bEqual && iNum < TEST_CYCLE; iNum++) {
/* Horizontal */
GENERATE_DATA_DEBLOCKING (iPixCbBase, iPixCbRef, 8)
GENERATE_DATA_DEBLOCKING (iPixCrBase, iPixCrRef, 8)
anchor_DeblockingChromaNormal (&iPixCbBase[4 * 1], &iPixCrBase[4 * 1], 1, 8, iAlpha, iBeta, iTc);
DeblockChromaLt4_c (&iPixCbRef[4 * 1], &iPixCrRef[4 * 1], 1, 8, iAlpha, iBeta, iTc);
for (int i = 0; i < 8 * 8; i++) {
if (iPixCbBase[i] != iPixCbRef[i] || iPixCrBase[i] != iPixCrRef[i]) {
bEqual = false;
break;
}
}
/* Vertical */
GENERATE_DATA_DEBLOCKING (iPixCbBase, iPixCbRef, 8)
GENERATE_DATA_DEBLOCKING (iPixCrBase, iPixCrRef, 8)
anchor_DeblockingChromaNormal (&iPixCbBase[4 * 8], &iPixCrBase[4 * 8], 8, 1, iAlpha, iBeta, iTc);
DeblockChromaLt4_c (&iPixCbRef[4 * 8], &iPixCrRef[4 * 8], 8, 1, iAlpha, iBeta, iTc);
for (int i = 0; i < 8 * 8; i++) {
if (iPixCbBase[i] != iPixCbRef[i] || iPixCrBase[i] != iPixCrRef[i]) {
bEqual = false;
break;
}
}
}
EXPECT_TRUE (bEqual);
}
TEST (DeblockingCommon, DeblockChromaEq4_c) {
// void DeblockChromaEq4_c (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iStrideX, int32_t iStrideY, int32_t iAlpha, int32_t iBeta)
#define TEST_CYCLE 1000
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCbBase, 8 * 8, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCrBase, 8 * 8, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCbRef, 8 * 8, 16);
ENFORCE_STACK_ALIGN_1D (uint8_t, iPixCrRef, 8 * 8, 16);
int32_t iAlpha, iBeta;
/* NOT used here*/
ENFORCE_STACK_ALIGN_1D (int8_t, iTc, 4, 16);
bool bEqual = true;
for (int iNum = 0; bEqual && iNum < TEST_CYCLE; iNum++) {
/* Horizontal */
GENERATE_DATA_DEBLOCKING (iPixCbBase, iPixCbRef, 8)
GENERATE_DATA_DEBLOCKING (iPixCrBase, iPixCrRef, 8)
anchor_DeblockingChromaIntra (&iPixCbBase[4 * 1], &iPixCrBase[4 * 1], 1, 8, iAlpha, iBeta);
DeblockChromaEq4_c (&iPixCbRef[4 * 1], &iPixCrRef[4 * 1], 1, 8, iAlpha, iBeta);
for (int i = 0; i < 8 * 8; i++) {
if (iPixCbBase[i] != iPixCbRef[i] || iPixCrBase[i] != iPixCrRef[i]) {
bEqual = false;
break;
}
}
/* Vertical */
GENERATE_DATA_DEBLOCKING (iPixCbBase, iPixCbRef, 8)
GENERATE_DATA_DEBLOCKING (iPixCrBase, iPixCrRef, 8)
anchor_DeblockingChromaIntra (&iPixCbBase[4 * 8], &iPixCrBase[4 * 8], 8, 1, iAlpha, iBeta);
DeblockChromaEq4_c (&iPixCbRef[4 * 8], &iPixCrRef[4 * 8], 8, 1, iAlpha, iBeta);
for (int i = 0; i < 8 * 8; i++) {
if (iPixCbBase[i] != iPixCbRef[i] || iPixCrBase[i] != iPixCrRef[i]) {
bEqual = false;
break;
}
}
}
EXPECT_TRUE (bEqual);
}