283 lines
11 KiB
C++
283 lines
11 KiB
C++
#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
|