/* * 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 // 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