|  | /* | 
|  | *  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 |