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|
/*
* Copyright 2015 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <string.h> // For memset/memcpy
#include "libyuv/scale.h"
#include "libyuv/scale_row.h"
#include "libyuv/basic_types.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// Fixed scale down.
// Mask may be non-power of 2, so use MOD
#define SDANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \
void NAMEANY(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, \
int dst_width) { \
int r = (int)((unsigned int)dst_width % (MASK + 1)); /* NOLINT */ \
int n = dst_width - r; \
if (n > 0) { \
SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n); \
} \
SCALEROWDOWN_C(src_ptr + (n * FACTOR) * BPP, src_stride, \
dst_ptr + n * BPP, r); \
}
// Fixed scale down for odd source width. Used by I420Blend subsampling.
// Since dst_width is (width + 1) / 2, this function scales one less pixel
// and copies the last pixel.
#define SDODD(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \
void NAMEANY(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, \
int dst_width) { \
int r = (int)((unsigned int)(dst_width - 1) % (MASK + 1)); /* NOLINT */ \
int n = (dst_width - 1) - r; \
if (n > 0) { \
SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n); \
} \
SCALEROWDOWN_C(src_ptr + (n * FACTOR) * BPP, src_stride, \
dst_ptr + n * BPP, r + 1); \
}
#ifdef HAS_SCALEROWDOWN2_SSSE3
SDANY(ScaleRowDown2_Any_SSSE3, ScaleRowDown2_SSSE3, ScaleRowDown2_C, 2, 1, 15)
SDANY(ScaleRowDown2Linear_Any_SSSE3,
ScaleRowDown2Linear_SSSE3,
ScaleRowDown2Linear_C,
2,
1,
15)
SDANY(ScaleRowDown2Box_Any_SSSE3,
ScaleRowDown2Box_SSSE3,
ScaleRowDown2Box_C,
2,
1,
15)
SDODD(ScaleRowDown2Box_Odd_SSSE3,
ScaleRowDown2Box_SSSE3,
ScaleRowDown2Box_Odd_C,
2,
1,
15)
#endif
#ifdef HAS_SCALEUVROWDOWN2BOX_SSSE3
SDANY(ScaleUVRowDown2Box_Any_SSSE3,
ScaleUVRowDown2Box_SSSE3,
ScaleUVRowDown2Box_C,
2,
2,
4)
#endif
#ifdef HAS_SCALEUVROWDOWN2BOX_AVX2
SDANY(ScaleUVRowDown2Box_Any_AVX2,
ScaleUVRowDown2Box_AVX2,
ScaleUVRowDown2Box_C,
2,
2,
8)
#endif
#ifdef HAS_SCALEROWDOWN2_AVX2
SDANY(ScaleRowDown2_Any_AVX2, ScaleRowDown2_AVX2, ScaleRowDown2_C, 2, 1, 31)
SDANY(ScaleRowDown2Linear_Any_AVX2,
ScaleRowDown2Linear_AVX2,
ScaleRowDown2Linear_C,
2,
1,
31)
SDANY(ScaleRowDown2Box_Any_AVX2,
ScaleRowDown2Box_AVX2,
ScaleRowDown2Box_C,
2,
1,
31)
SDODD(ScaleRowDown2Box_Odd_AVX2,
ScaleRowDown2Box_AVX2,
ScaleRowDown2Box_Odd_C,
2,
1,
31)
#endif
#ifdef HAS_SCALEROWDOWN2_NEON
SDANY(ScaleRowDown2_Any_NEON, ScaleRowDown2_NEON, ScaleRowDown2_C, 2, 1, 15)
SDANY(ScaleRowDown2Linear_Any_NEON,
ScaleRowDown2Linear_NEON,
ScaleRowDown2Linear_C,
2,
1,
15)
SDANY(ScaleRowDown2Box_Any_NEON,
ScaleRowDown2Box_NEON,
ScaleRowDown2Box_C,
2,
1,
15)
SDODD(ScaleRowDown2Box_Odd_NEON,
ScaleRowDown2Box_NEON,
ScaleRowDown2Box_Odd_C,
2,
1,
15)
#endif
#ifdef HAS_SCALEUVROWDOWN2BOX_NEON
SDANY(ScaleUVRowDown2Box_Any_NEON,
ScaleUVRowDown2Box_NEON,
ScaleUVRowDown2Box_C,
2,
2,
8)
#endif
#ifdef HAS_SCALEROWDOWN2_MSA
SDANY(ScaleRowDown2_Any_MSA, ScaleRowDown2_MSA, ScaleRowDown2_C, 2, 1, 31)
SDANY(ScaleRowDown2Linear_Any_MSA,
ScaleRowDown2Linear_MSA,
ScaleRowDown2Linear_C,
2,
1,
31)
SDANY(ScaleRowDown2Box_Any_MSA,
ScaleRowDown2Box_MSA,
ScaleRowDown2Box_C,
2,
1,
31)
#endif
#ifdef HAS_SCALEROWDOWN2_MMI
SDANY(ScaleRowDown2_Any_MMI, ScaleRowDown2_MMI, ScaleRowDown2_C, 2, 1, 7)
SDANY(ScaleRowDown2Linear_Any_MMI,
ScaleRowDown2Linear_MMI,
ScaleRowDown2Linear_C,
2,
1,
7)
SDANY(ScaleRowDown2Box_Any_MMI,
ScaleRowDown2Box_MMI,
ScaleRowDown2Box_C,
2,
1,
7)
SDODD(ScaleRowDown2Box_Odd_MMI,
ScaleRowDown2Box_MMI,
ScaleRowDown2Box_Odd_C,
2,
1,
7)
#endif
#ifdef HAS_SCALEROWDOWN4_SSSE3
SDANY(ScaleRowDown4_Any_SSSE3, ScaleRowDown4_SSSE3, ScaleRowDown4_C, 4, 1, 7)
SDANY(ScaleRowDown4Box_Any_SSSE3,
ScaleRowDown4Box_SSSE3,
ScaleRowDown4Box_C,
4,
1,
7)
#endif
#ifdef HAS_SCALEROWDOWN4_AVX2
SDANY(ScaleRowDown4_Any_AVX2, ScaleRowDown4_AVX2, ScaleRowDown4_C, 4, 1, 15)
SDANY(ScaleRowDown4Box_Any_AVX2,
ScaleRowDown4Box_AVX2,
ScaleRowDown4Box_C,
4,
1,
15)
#endif
#ifdef HAS_SCALEROWDOWN4_NEON
SDANY(ScaleRowDown4_Any_NEON, ScaleRowDown4_NEON, ScaleRowDown4_C, 4, 1, 7)
SDANY(ScaleRowDown4Box_Any_NEON,
ScaleRowDown4Box_NEON,
ScaleRowDown4Box_C,
4,
1,
7)
#endif
#ifdef HAS_SCALEROWDOWN4_MSA
SDANY(ScaleRowDown4_Any_MSA, ScaleRowDown4_MSA, ScaleRowDown4_C, 4, 1, 15)
SDANY(ScaleRowDown4Box_Any_MSA,
ScaleRowDown4Box_MSA,
ScaleRowDown4Box_C,
4,
1,
15)
#endif
#ifdef HAS_SCALEROWDOWN4_MMI
SDANY(ScaleRowDown4_Any_MMI, ScaleRowDown4_MMI, ScaleRowDown4_C, 4, 1, 7)
SDANY(ScaleRowDown4Box_Any_MMI,
ScaleRowDown4Box_MMI,
ScaleRowDown4Box_C,
4,
1,
7)
#endif
#ifdef HAS_SCALEROWDOWN34_SSSE3
SDANY(ScaleRowDown34_Any_SSSE3,
ScaleRowDown34_SSSE3,
ScaleRowDown34_C,
4 / 3,
1,
23)
SDANY(ScaleRowDown34_0_Box_Any_SSSE3,
ScaleRowDown34_0_Box_SSSE3,
ScaleRowDown34_0_Box_C,
4 / 3,
1,
23)
SDANY(ScaleRowDown34_1_Box_Any_SSSE3,
ScaleRowDown34_1_Box_SSSE3,
ScaleRowDown34_1_Box_C,
4 / 3,
1,
23)
#endif
#ifdef HAS_SCALEROWDOWN34_NEON
SDANY(ScaleRowDown34_Any_NEON,
ScaleRowDown34_NEON,
ScaleRowDown34_C,
4 / 3,
1,
23)
SDANY(ScaleRowDown34_0_Box_Any_NEON,
ScaleRowDown34_0_Box_NEON,
ScaleRowDown34_0_Box_C,
4 / 3,
1,
23)
SDANY(ScaleRowDown34_1_Box_Any_NEON,
ScaleRowDown34_1_Box_NEON,
ScaleRowDown34_1_Box_C,
4 / 3,
1,
23)
#endif
#ifdef HAS_SCALEROWDOWN34_MSA
SDANY(ScaleRowDown34_Any_MSA,
ScaleRowDown34_MSA,
ScaleRowDown34_C,
4 / 3,
1,
47)
SDANY(ScaleRowDown34_0_Box_Any_MSA,
ScaleRowDown34_0_Box_MSA,
ScaleRowDown34_0_Box_C,
4 / 3,
1,
47)
SDANY(ScaleRowDown34_1_Box_Any_MSA,
ScaleRowDown34_1_Box_MSA,
ScaleRowDown34_1_Box_C,
4 / 3,
1,
47)
#endif
#ifdef HAS_SCALEROWDOWN34_MMI
SDANY(ScaleRowDown34_Any_MMI,
ScaleRowDown34_MMI,
ScaleRowDown34_C,
4 / 3,
1,
23)
#endif
#ifdef HAS_SCALEROWDOWN38_SSSE3
SDANY(ScaleRowDown38_Any_SSSE3,
ScaleRowDown38_SSSE3,
ScaleRowDown38_C,
8 / 3,
1,
11)
SDANY(ScaleRowDown38_3_Box_Any_SSSE3,
ScaleRowDown38_3_Box_SSSE3,
ScaleRowDown38_3_Box_C,
8 / 3,
1,
5)
SDANY(ScaleRowDown38_2_Box_Any_SSSE3,
ScaleRowDown38_2_Box_SSSE3,
ScaleRowDown38_2_Box_C,
8 / 3,
1,
5)
#endif
#ifdef HAS_SCALEROWDOWN38_NEON
SDANY(ScaleRowDown38_Any_NEON,
ScaleRowDown38_NEON,
ScaleRowDown38_C,
8 / 3,
1,
11)
SDANY(ScaleRowDown38_3_Box_Any_NEON,
ScaleRowDown38_3_Box_NEON,
ScaleRowDown38_3_Box_C,
8 / 3,
1,
11)
SDANY(ScaleRowDown38_2_Box_Any_NEON,
ScaleRowDown38_2_Box_NEON,
ScaleRowDown38_2_Box_C,
8 / 3,
1,
11)
#endif
#ifdef HAS_SCALEROWDOWN38_MSA
SDANY(ScaleRowDown38_Any_MSA,
ScaleRowDown38_MSA,
ScaleRowDown38_C,
8 / 3,
1,
11)
SDANY(ScaleRowDown38_3_Box_Any_MSA,
ScaleRowDown38_3_Box_MSA,
ScaleRowDown38_3_Box_C,
8 / 3,
1,
11)
SDANY(ScaleRowDown38_2_Box_Any_MSA,
ScaleRowDown38_2_Box_MSA,
ScaleRowDown38_2_Box_C,
8 / 3,
1,
11)
#endif
#ifdef HAS_SCALEARGBROWDOWN2_SSE2
SDANY(ScaleARGBRowDown2_Any_SSE2,
ScaleARGBRowDown2_SSE2,
ScaleARGBRowDown2_C,
2,
4,
3)
SDANY(ScaleARGBRowDown2Linear_Any_SSE2,
ScaleARGBRowDown2Linear_SSE2,
ScaleARGBRowDown2Linear_C,
2,
4,
3)
SDANY(ScaleARGBRowDown2Box_Any_SSE2,
ScaleARGBRowDown2Box_SSE2,
ScaleARGBRowDown2Box_C,
2,
4,
3)
#endif
#ifdef HAS_SCALEARGBROWDOWN2_NEON
SDANY(ScaleARGBRowDown2_Any_NEON,
ScaleARGBRowDown2_NEON,
ScaleARGBRowDown2_C,
2,
4,
7)
SDANY(ScaleARGBRowDown2Linear_Any_NEON,
ScaleARGBRowDown2Linear_NEON,
ScaleARGBRowDown2Linear_C,
2,
4,
7)
SDANY(ScaleARGBRowDown2Box_Any_NEON,
ScaleARGBRowDown2Box_NEON,
ScaleARGBRowDown2Box_C,
2,
4,
7)
#endif
#ifdef HAS_SCALEARGBROWDOWN2_MSA
SDANY(ScaleARGBRowDown2_Any_MSA,
ScaleARGBRowDown2_MSA,
ScaleARGBRowDown2_C,
2,
4,
3)
SDANY(ScaleARGBRowDown2Linear_Any_MSA,
ScaleARGBRowDown2Linear_MSA,
ScaleARGBRowDown2Linear_C,
2,
4,
3)
SDANY(ScaleARGBRowDown2Box_Any_MSA,
ScaleARGBRowDown2Box_MSA,
ScaleARGBRowDown2Box_C,
2,
4,
3)
#endif
#ifdef HAS_SCALEARGBROWDOWN2_MMI
SDANY(ScaleARGBRowDown2_Any_MMI,
ScaleARGBRowDown2_MMI,
ScaleARGBRowDown2_C,
2,
4,
1)
SDANY(ScaleARGBRowDown2Linear_Any_MMI,
ScaleARGBRowDown2Linear_MMI,
ScaleARGBRowDown2Linear_C,
2,
4,
1)
SDANY(ScaleARGBRowDown2Box_Any_MMI,
ScaleARGBRowDown2Box_MMI,
ScaleARGBRowDown2Box_C,
2,
4,
1)
#endif
#undef SDANY
// Scale down by even scale factor.
#define SDAANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, BPP, MASK) \
void NAMEANY(const uint8_t* src_ptr, ptrdiff_t src_stride, int src_stepx, \
uint8_t* dst_ptr, int dst_width) { \
int r = dst_width & MASK; \
int n = dst_width & ~MASK; \
if (n > 0) { \
SCALEROWDOWN_SIMD(src_ptr, src_stride, src_stepx, dst_ptr, n); \
} \
SCALEROWDOWN_C(src_ptr + (n * src_stepx) * BPP, src_stride, src_stepx, \
dst_ptr + n * BPP, r); \
}
#ifdef HAS_SCALEARGBROWDOWNEVEN_SSE2
SDAANY(ScaleARGBRowDownEven_Any_SSE2,
ScaleARGBRowDownEven_SSE2,
ScaleARGBRowDownEven_C,
4,
3)
SDAANY(ScaleARGBRowDownEvenBox_Any_SSE2,
ScaleARGBRowDownEvenBox_SSE2,
ScaleARGBRowDownEvenBox_C,
4,
3)
#endif
#ifdef HAS_SCALEARGBROWDOWNEVEN_NEON
SDAANY(ScaleARGBRowDownEven_Any_NEON,
ScaleARGBRowDownEven_NEON,
ScaleARGBRowDownEven_C,
4,
3)
SDAANY(ScaleARGBRowDownEvenBox_Any_NEON,
ScaleARGBRowDownEvenBox_NEON,
ScaleARGBRowDownEvenBox_C,
4,
3)
#endif
#ifdef HAS_SCALEARGBROWDOWNEVEN_MSA
SDAANY(ScaleARGBRowDownEven_Any_MSA,
ScaleARGBRowDownEven_MSA,
ScaleARGBRowDownEven_C,
4,
3)
SDAANY(ScaleARGBRowDownEvenBox_Any_MSA,
ScaleARGBRowDownEvenBox_MSA,
ScaleARGBRowDownEvenBox_C,
4,
3)
#endif
#ifdef HAS_SCALEARGBROWDOWNEVEN_MMI
SDAANY(ScaleARGBRowDownEven_Any_MMI,
ScaleARGBRowDownEven_MMI,
ScaleARGBRowDownEven_C,
4,
1)
SDAANY(ScaleARGBRowDownEvenBox_Any_MMI,
ScaleARGBRowDownEvenBox_MMI,
ScaleARGBRowDownEvenBox_C,
4,
1)
#endif
#ifdef HAS_SCALEUVROWDOWNEVEN_NEON
SDAANY(ScaleUVRowDownEven_Any_NEON,
ScaleUVRowDownEven_NEON,
ScaleUVRowDownEven_C,
2,
3)
#endif
#ifdef SASIMDONLY
// This also works and uses memcpy and SIMD instead of C, but is slower on ARM
// Add rows box filter scale down. Using macro from row_any
#define SAROW(NAMEANY, ANY_SIMD, SBPP, BPP, MASK) \
void NAMEANY(const uint8_t* src_ptr, uint16_t* dst_ptr, int width) { \
SIMD_ALIGNED(uint16_t dst_temp[32]); \
SIMD_ALIGNED(uint8_t src_temp[32]); \
memset(dst_temp, 0, 32 * 2); /* for msan */ \
int r = width & MASK; \
int n = width & ~MASK; \
if (n > 0) { \
ANY_SIMD(src_ptr, dst_ptr, n); \
} \
memcpy(src_temp, src_ptr + n * SBPP, r * SBPP); \
memcpy(dst_temp, dst_ptr + n * BPP, r * BPP); \
ANY_SIMD(src_temp, dst_temp, MASK + 1); \
memcpy(dst_ptr + n * BPP, dst_temp, r * BPP); \
}
#ifdef HAS_SCALEADDROW_SSE2
SAROW(ScaleAddRow_Any_SSE2, ScaleAddRow_SSE2, 1, 2, 15)
#endif
#ifdef HAS_SCALEADDROW_AVX2
SAROW(ScaleAddRow_Any_AVX2, ScaleAddRow_AVX2, 1, 2, 31)
#endif
#ifdef HAS_SCALEADDROW_NEON
SAROW(ScaleAddRow_Any_NEON, ScaleAddRow_NEON, 1, 2, 15)
#endif
#ifdef HAS_SCALEADDROW_MSA
SAROW(ScaleAddRow_Any_MSA, ScaleAddRow_MSA, 1, 2, 15)
#endif
#ifdef HAS_SCALEADDROW_MMI
SAROW(ScaleAddRow_Any_MMI, ScaleAddRow_MMI, 1, 2, 7)
#endif
#undef SAANY
#else
// Add rows box filter scale down.
#define SAANY(NAMEANY, SCALEADDROW_SIMD, SCALEADDROW_C, MASK) \
void NAMEANY(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width) { \
int n = src_width & ~MASK; \
if (n > 0) { \
SCALEADDROW_SIMD(src_ptr, dst_ptr, n); \
} \
SCALEADDROW_C(src_ptr + n, dst_ptr + n, src_width & MASK); \
}
#ifdef HAS_SCALEADDROW_SSE2
SAANY(ScaleAddRow_Any_SSE2, ScaleAddRow_SSE2, ScaleAddRow_C, 15)
#endif
#ifdef HAS_SCALEADDROW_AVX2
SAANY(ScaleAddRow_Any_AVX2, ScaleAddRow_AVX2, ScaleAddRow_C, 31)
#endif
#ifdef HAS_SCALEADDROW_NEON
SAANY(ScaleAddRow_Any_NEON, ScaleAddRow_NEON, ScaleAddRow_C, 15)
#endif
#ifdef HAS_SCALEADDROW_MSA
SAANY(ScaleAddRow_Any_MSA, ScaleAddRow_MSA, ScaleAddRow_C, 15)
#endif
#ifdef HAS_SCALEADDROW_MMI
SAANY(ScaleAddRow_Any_MMI, ScaleAddRow_MMI, ScaleAddRow_C, 7)
#endif
#undef SAANY
#endif // SASIMDONLY
// Definition for ScaleFilterCols, ScaleARGBCols and ScaleARGBFilterCols
#define CANY(NAMEANY, TERP_SIMD, TERP_C, BPP, MASK) \
void NAMEANY(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, \
int dx) { \
int r = dst_width & MASK; \
int n = dst_width & ~MASK; \
if (n > 0) { \
TERP_SIMD(dst_ptr, src_ptr, n, x, dx); \
} \
TERP_C(dst_ptr + n * BPP, src_ptr, r, x + n * dx, dx); \
}
#ifdef HAS_SCALEFILTERCOLS_NEON
CANY(ScaleFilterCols_Any_NEON, ScaleFilterCols_NEON, ScaleFilterCols_C, 1, 7)
#endif
#ifdef HAS_SCALEFILTERCOLS_MSA
CANY(ScaleFilterCols_Any_MSA, ScaleFilterCols_MSA, ScaleFilterCols_C, 1, 15)
#endif
#ifdef HAS_SCALEARGBCOLS_NEON
CANY(ScaleARGBCols_Any_NEON, ScaleARGBCols_NEON, ScaleARGBCols_C, 4, 7)
#endif
#ifdef HAS_SCALEARGBCOLS_MSA
CANY(ScaleARGBCols_Any_MSA, ScaleARGBCols_MSA, ScaleARGBCols_C, 4, 3)
#endif
#ifdef HAS_SCALEARGBCOLS_MMI
CANY(ScaleARGBCols_Any_MMI, ScaleARGBCols_MMI, ScaleARGBCols_C, 4, 0)
#endif
#ifdef HAS_SCALEARGBFILTERCOLS_NEON
CANY(ScaleARGBFilterCols_Any_NEON,
ScaleARGBFilterCols_NEON,
ScaleARGBFilterCols_C,
4,
3)
#endif
#ifdef HAS_SCALEARGBFILTERCOLS_MSA
CANY(ScaleARGBFilterCols_Any_MSA,
ScaleARGBFilterCols_MSA,
ScaleARGBFilterCols_C,
4,
7)
#endif
#undef CANY
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
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