ref: 8ca76ec342c532dd2ce6cae68a853a9c87cbc221
dir: /test/processing/ProcessUT_DownSample.cpp/
#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 WelsVP; 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); \ int dst_stride_c; \ int dst_width_c; \ int dst_height_c; \ int src_stride_c; \ int src_width_c; \ int src_height_c; \ ENFORCE_STACK_ALIGN_1D (uint8_t, dst_a, 70000, 16); \ ENFORCE_STACK_ALIGN_1D (uint8_t, src_a, 70000, 16); \ int dst_stride_a; \ int dst_width_a; \ int dst_height_a; \ int src_stride_a; \ int src_width_a; \ 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