ref: 93af7bfc6473381e3533627a19deab6b0a7669b5
parent: 81f7b0c10891ddb22f65c18601e28bbbdd278d25
author: zhiliang wang <zhilwang@cisco.com>
date: Wed Aug 27 11:40:14 EDT 2014
Add UT for Downsample functions.
--- a/Makefile
+++ b/Makefile
@@ -90,6 +90,7 @@
-I$(SRC_PATH)codec/processing/interface \
-I$(SRC_PATH)codec/processing/src/common \
-I$(SRC_PATH)codec/processing/src/adaptivequantization \
+ -I$(SRC_PATH)codec/processing/src/downsample \
-I$(SRC_PATH)codec/processing/src/scrolldetection \
-I$(SRC_PATH)codec/processing/src/vaacalc
--- /dev/null
+++ b/test/processing/ProcessUT_DownSample.cpp
@@ -1,0 +1,275 @@
+#include <gtest/gtest.h>
+#include "cpu.h"
+#include "cpu_core.h"
+#include "util.h"
+#include "macros.h"
+#include "IWelsVP.h"
+#include "downsample.h"
+
+using namespace nsWelsVP;
+
+void DyadicBilinearDownsampler_ref (uint8_t* pDst, const int32_t kiDstStride,
+ uint8_t* pSrc, const int32_t kiSrcStride,
+ const int32_t kiSrcWidth, const int32_t kiSrcHeight) {+ uint8_t* pDstLine = pDst;
+ uint8_t* pSrcLine = pSrc;
+ const int32_t kiSrcStridex2 = kiSrcStride << 1;
+ const int32_t kiDstWidth = kiSrcWidth >> 1;
+ const int32_t kiDstHeight = kiSrcHeight >> 1;
+
+ for (int32_t j = 0; j < kiDstHeight; j ++) {+ for (int32_t i = 0; i < kiDstWidth; i ++) {+ const int32_t kiSrcX = i << 1;
+ const int32_t kiTempRow1 = (pSrcLine[kiSrcX] + pSrcLine[kiSrcX + 1] + 1) >> 1;
+ const int32_t kiTempRow2 = (pSrcLine[kiSrcX + kiSrcStride] + pSrcLine[kiSrcX + kiSrcStride + 1] + 1) >> 1;
+
+ pDstLine[i] = (uint8_t) ((kiTempRow1 + kiTempRow2 + 1) >> 1);
+ }
+ pDstLine += kiDstStride;
+ pSrcLine += kiSrcStridex2;
+ }
+}
+
+void GeneralBilinearFastDownsampler_ref (uint8_t* pDst, const int32_t kiDstStride, const int32_t kiDstWidth, const int32_t kiDstHeight,
+ uint8_t* pSrc, const int32_t kiSrcStride, const int32_t kiSrcWidth, const int32_t kiSrcHeight) {+ const uint32_t kuiScaleBitWidth = 16, kuiScaleBitHeight = 15;
+ const uint32_t kuiScaleWidth = (1 << kuiScaleBitWidth), kuiScaleHeight = (1 << kuiScaleBitHeight);
+ int32_t fScalex = WELS_ROUND ((float)kiSrcWidth / (float)kiDstWidth * kuiScaleWidth);
+ int32_t fScaley = WELS_ROUND ((float)kiSrcHeight / (float)kiDstHeight * kuiScaleHeight);
+ uint32_t x;
+ int32_t iYInverse, iXInverse;
+
+ uint8_t* pByDst = pDst;
+ uint8_t* pByLineDst = pDst;
+
+ iYInverse = 1 << (kuiScaleBitHeight - 1);
+ for (int32_t i = 0; i < kiDstHeight - 1; i++) {+ int32_t iYy = iYInverse >> kuiScaleBitHeight;
+ int32_t fv = iYInverse & (kuiScaleHeight - 1);
+
+ uint8_t* pBySrc = pSrc + iYy * kiSrcStride;
+
+ pByDst = pByLineDst;
+ iXInverse = 1 << (kuiScaleBitWidth - 1);
+ for (int32_t j = 0; j < kiDstWidth - 1; j++) {+ int32_t iXx = iXInverse >> kuiScaleBitWidth;
+ int32_t iFu = iXInverse & (kuiScaleWidth - 1);
+
+ uint8_t* pByCurrent = pBySrc + iXx;
+ uint8_t a, b, c, d;
+
+ a = *pByCurrent;
+ b = * (pByCurrent + 1);
+ c = * (pByCurrent + kiSrcStride);
+ d = * (pByCurrent + kiSrcStride + 1);
+
+ x = (((uint32_t) (kuiScaleWidth - 1 - iFu)) * (kuiScaleHeight - 1 - fv) >> kuiScaleBitWidth) * a;
+ x += (((uint32_t) (iFu)) * (kuiScaleHeight - 1 - fv) >> kuiScaleBitWidth) * b;
+ x += (((uint32_t) (kuiScaleWidth - 1 - iFu)) * (fv) >> kuiScaleBitWidth) * c;
+ x += (((uint32_t) (iFu)) * (fv) >> kuiScaleBitWidth) * d;
+ x >>= (kuiScaleBitHeight - 1);
+ x += 1;
+ x >>= 1;
+ //x = (((__int64)(SCALE_BIG - 1 - iFu))*(SCALE_BIG - 1 - fv)*a + ((__int64)iFu)*(SCALE_BIG - 1 -fv)*b + ((__int64)(SCALE_BIG - 1 -iFu))*fv*c +
+ // ((__int64)iFu)*fv*d + (1 << (2*SCALE_BIT_BIG-1)) ) >> (2*SCALE_BIT_BIG);
+ x = WELS_CLAMP (x, 0, 255);
+ *pByDst++ = (uint8_t)x;
+
+ iXInverse += fScalex;
+ }
+ *pByDst = * (pBySrc + (iXInverse >> kuiScaleBitWidth));
+ pByLineDst += kiDstStride;
+ iYInverse += fScaley;
+ }
+
+ // last row special
+ {+ int32_t iYy = iYInverse >> kuiScaleBitHeight;
+ uint8_t* pBySrc = pSrc + iYy * kiSrcStride;
+
+ pByDst = pByLineDst;
+ iXInverse = 1 << (kuiScaleBitWidth - 1);
+ for (int32_t j = 0; j < kiDstWidth; j++) {+ int32_t iXx = iXInverse >> kuiScaleBitWidth;
+ *pByDst++ = * (pBySrc + iXx);
+
+ iXInverse += fScalex;
+ }
+ }
+}
+
+void GeneralBilinearAccurateDownsampler_ref (uint8_t* pDst, const int32_t kiDstStride, const int32_t kiDstWidth, const int32_t kiDstHeight,
+ uint8_t* pSrc, const int32_t kiSrcStride, const int32_t kiSrcWidth, const int32_t kiSrcHeight) {+ const int32_t kiScaleBit = 15;
+ const int32_t kiScale = (1 << kiScaleBit);
+ int32_t iScalex = WELS_ROUND ((float)kiSrcWidth / (float)kiDstWidth * kiScale);
+ int32_t iScaley = WELS_ROUND ((float)kiSrcHeight / (float)kiDstHeight * kiScale);
+ int64_t x;
+ int32_t iYInverse, iXInverse;
+
+ uint8_t* pByDst = pDst;
+ uint8_t* pByLineDst = pDst;
+
+ iYInverse = 1 << (kiScaleBit - 1);
+ for (int32_t i = 0; i < kiDstHeight - 1; i++) {+ int32_t iYy = iYInverse >> kiScaleBit;
+ int32_t iFv = iYInverse & (kiScale - 1);
+
+ uint8_t* pBySrc = pSrc + iYy * kiSrcStride;
+
+ pByDst = pByLineDst;
+ iXInverse = 1 << (kiScaleBit - 1);
+ for (int32_t j = 0; j < kiDstWidth - 1; j++) {+ int32_t iXx = iXInverse >> kiScaleBit;
+ int32_t iFu = iXInverse & (kiScale - 1);
+
+ uint8_t* pByCurrent = pBySrc + iXx;
+ uint8_t a, b, c, d;
+
+ a = *pByCurrent;
+ b = * (pByCurrent + 1);
+ c = * (pByCurrent + kiSrcStride);
+ d = * (pByCurrent + kiSrcStride + 1);
+
+ x = (((int64_t) (kiScale - 1 - iFu)) * (kiScale - 1 - iFv) * a + ((int64_t)iFu) * (kiScale - 1 - iFv) * b + ((int64_t) (
+ kiScale - 1 - iFu)) * iFv * c +
+ ((int64_t)iFu) * iFv * d + (int64_t) (1 << (2 * kiScaleBit - 1))) >> (2 * kiScaleBit);
+ x = WELS_CLAMP (x, 0, 255);
+ *pByDst++ = (uint8_t)x;
+
+ iXInverse += iScalex;
+ }
+ *pByDst = * (pBySrc + (iXInverse >> kiScaleBit));
+ pByLineDst += kiDstStride;
+ iYInverse += iScaley;
+ }
+
+ // last row special
+ {+ int32_t iYy = iYInverse >> kiScaleBit;
+ uint8_t* pBySrc = pSrc + iYy * kiSrcStride;
+
+ pByDst = pByLineDst;
+ iXInverse = 1 << (kiScaleBit - 1);
+ for (int32_t j = 0; j < kiDstWidth; j++) {+ int32_t iXx = iXInverse >> kiScaleBit;
+ *pByDst++ = * (pBySrc + iXx);
+
+ iXInverse += iScalex;
+ }
+ }
+}
+
+#define GENERATE_DyadicBilinearDownsampler_UT(func, ASM, CPUFLAGS) \
+TEST (DownSampleTest, func) { \+ if (ASM) {\+ int32_t iCpuCores = 0; \
+ uint32_t m_uiCpuFeatureFlag = WelsCPUFeatureDetect (&iCpuCores); \
+ if (0 == (m_uiCpuFeatureFlag & CPUFLAGS)) \
+ return; \
+ } \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, dst_c, 50000, 16); \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, src_c, 50000, 16); \
+ int dst_stride_c; \
+ int src_stride_c; \
+ int src_width_c; \
+ int src_height_c; \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, dst_a, 50000, 16); \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, src_a, 50000, 16); \
+ int dst_stride_a; \
+ int src_stride_a; \
+ int src_width_a; \
+ int src_height_a; \
+ dst_stride_c = dst_stride_a = 560; \
+ src_stride_c = src_stride_a = 560; \
+ src_width_c = src_width_a = 512; \
+ src_height_c = src_height_a = 80; \
+ for (int j = 0; j < 50000; j++) { \+ dst_c[j] = dst_a[j] = rand() % 256; \
+ src_c[j] = src_a[j] = rand() % 256; \
+ } \
+ DyadicBilinearDownsampler_ref (dst_c, dst_stride_c, src_c, src_stride_c, src_width_c, src_height_c); \
+ func (dst_a, dst_stride_a, src_a, src_stride_a, src_width_a, src_height_a); \
+ for (int j = 0; j < (src_height_c >> 1); j++) { \+ for (int m = 0; m < (src_width_c >> 1); m++) { \+ ASSERT_EQ (dst_c[m + j * dst_stride_c], dst_a[m + j * dst_stride_a]); \
+ } \
+ } \
+}
+
+#define GENERATE_GeneralBilinearDownsampler_UT(func, ref, ASM, CPUFLAGS) \
+TEST (DownSampleTest, func) { \+ if (ASM) {\+ int32_t iCpuCores = 0; \
+ uint32_t m_uiCpuFeatureFlag = WelsCPUFeatureDetect (&iCpuCores); \
+ if (0 == (m_uiCpuFeatureFlag & CPUFLAGS)) \
+ return; \
+ } \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, dst_c, 70000, 16); \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, src_c, 70000, 16); \
+ unsigned int dst_stride_c; \
+ unsigned int dst_width_c; \
+ unsigned int dst_height_c; \
+ unsigned int src_stride_c; \
+ unsigned int src_width_c; \
+ unsigned int src_height_c; \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, dst_a, 70000, 16); \
+ ENFORCE_STACK_ALIGN_1D (uint8_t, src_a, 70000, 16); \
+ unsigned int dst_stride_a; \
+ unsigned int dst_width_a; \
+ unsigned int dst_height_a; \
+ unsigned int src_stride_a; \
+ unsigned int src_width_a; \
+ unsigned int src_height_a; \
+ dst_stride_c = dst_stride_a = 320; \
+ src_stride_c = src_stride_a = 320; \
+ src_width_c = src_width_a = 320; \
+ src_height_c = src_height_a = 180; \
+ dst_width_c = dst_width_a = 300; \
+ dst_height_c = dst_height_a = 160; \
+ for (int j = 0; j < 70000; j++) { \+ dst_c[j] = dst_a[j] = rand() % 256; \
+ src_c[j] = src_a[j] = rand() % 256; \
+ } \
+ ref (dst_c, dst_stride_c, dst_width_c, dst_height_c, src_c, src_stride_c, src_width_c, src_height_c); \
+ func (dst_a, dst_stride_a, dst_width_a, dst_height_a, src_a, src_stride_a, src_width_a, src_height_a); \
+ for (int j = 0; j < dst_height_c; j++) { \+ for (int m = 0; m < dst_width_c ; m++) { \+ ASSERT_EQ (dst_c[m + j * dst_stride_c], dst_a[m + j * dst_stride_a]); \
+ } \
+ } \
+}
+
+
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsampler_c, 0, 0)
+GENERATE_GeneralBilinearDownsampler_UT (GeneralBilinearFastDownsampler_c, GeneralBilinearFastDownsampler_ref, 0, 0)
+GENERATE_GeneralBilinearDownsampler_UT (GeneralBilinearAccurateDownsampler_c, GeneralBilinearAccurateDownsampler_ref, 0, 0)
+
+#if defined(X86_ASM)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx32_sse, 1, WELS_CPU_SSE)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx16_sse, 1, WELS_CPU_SSE)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx8_sse, 1, WELS_CPU_SSE)
+
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx32_ssse3, 1, WELS_CPU_SSSE3)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx16_ssse3, 1, WELS_CPU_SSSE3)
+
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx32_sse4, 1, WELS_CPU_SSE41)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx16_sse4, 1, WELS_CPU_SSE41)
+
+GENERATE_GeneralBilinearDownsampler_UT (GeneralBilinearFastDownsamplerWrap_sse2, GeneralBilinearFastDownsampler_ref, 1, WELS_CPU_SSE2)
+GENERATE_GeneralBilinearDownsampler_UT (GeneralBilinearAccurateDownsamplerWrap_sse2, GeneralBilinearAccurateDownsampler_ref, 1, WELS_CPU_SSE2)
+#endif
+
+#if defined(HAVE_NEON)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx32_neon, 1, WELS_CPU_NEON)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsampler_neon, 1, WELS_CPU_NEON)
+
+GENERATE_GeneralBilinearDownsampler_UT (GeneralBilinearAccurateDownsamplerWrap_neon, GeneralBilinearAccurateDownsampler_ref, 1, WELS_CPU_NEON)
+#endif
+
+#if defined(HAVE_NEON_AARCH64)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsamplerWidthx32_AArch64_neon, 1, WELS_CPU_NEON)
+GENERATE_DyadicBilinearDownsampler_UT (DyadicBilinearDownsampler_AArch64_neon, 1, WELS_CPU_NEON)
+
+GENERATE_GeneralBilinearDownsampler_UT (GeneralBilinearAccurateDownsamplerWrap_AArch64_neon, GeneralBilinearAccurateDownsampler_ref, 1, WELS_CPU_NEON)
+#endif
\ No newline at end of file
--- a/test/processing/targets.mk
+++ b/test/processing/targets.mk
@@ -1,6 +1,7 @@
PROCESSING_UNITTEST_SRCDIR=test/processing
PROCESSING_UNITTEST_CPP_SRCS=\
$(PROCESSING_UNITTEST_SRCDIR)/ProcessUT_AdaptiveQuantization.cpp\
+ $(PROCESSING_UNITTEST_SRCDIR)/ProcessUT_DownSample.cpp\
$(PROCESSING_UNITTEST_SRCDIR)/ProcessUT_ScrollDetection.cpp\
$(PROCESSING_UNITTEST_SRCDIR)/ProcessUT_VaaCalc.cpp\