ref: 3593f2e3e7a3c987a3bd07ce883f528662d3e32e
parent: 007fb470046337f06fcf695a5006f7446d12e48f
author: Haibo Zhu <haibozhu@cisco.com>
date: Thu Sep 11 13:51:05 EDT 2014
Add partly UT code for deblocking filter
--- /dev/null
+++ b/test/decoder/DecUT_DeblockCommon.cpp
@@ -1,0 +1,396 @@
+#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);
+}
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