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Diffstat (limited to 'media/libyuv/source/scale_any.cc')
| -rw-r--r-- | media/libyuv/source/scale_any.cc | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/media/libyuv/source/scale_any.cc b/media/libyuv/source/scale_any.cc new file mode 100644 index 000000000..ed76a9e4c --- /dev/null +++ b/media/libyuv/source/scale_any.cc @@ -0,0 +1,221 @@ +/* + * 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 "libyuv/scale.h" +#include "libyuv/scale_row.h" + +#include "libyuv/basic_types.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +// Definition for ScaleFilterCols, ScaleARGBCols and ScaleARGBFilterCols +#define CANY(NAMEANY, TERP_SIMD, TERP_C, BPP, MASK) \ + void NAMEANY(uint8* dst_ptr, const uint8* src_ptr, \ + int dst_width, int x, int dx) { \ + 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, \ + dst_width & MASK, x + n * dx, dx); \ + } + +#ifdef HAS_SCALEFILTERCOLS_NEON +CANY(ScaleFilterCols_Any_NEON, ScaleFilterCols_NEON, ScaleFilterCols_C, 1, 7) +#endif +#ifdef HAS_SCALEARGBCOLS_NEON +CANY(ScaleARGBCols_Any_NEON, ScaleARGBCols_NEON, ScaleARGBCols_C, 4, 7) +#endif +#ifdef HAS_SCALEARGBFILTERCOLS_NEON +CANY(ScaleARGBFilterCols_Any_NEON, ScaleARGBFilterCols_NEON, + ScaleARGBFilterCols_C, 4, 3) +#endif +#undef CANY + +// Fixed scale down. +#define SDANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \ + void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, \ + uint8* dst_ptr, int dst_width) { \ + int r = (int)((unsigned int)dst_width % (MASK + 1)); \ + 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* src_ptr, ptrdiff_t src_stride, \ + uint8* dst_ptr, int dst_width) { \ + int r = (int)((unsigned int)(dst_width - 1) % (MASK + 1)); \ + 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); \ + } + +#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_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_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_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_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_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 +#undef SDANY + +// Scale down by even scale factor. +#define SDAANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, BPP, MASK) \ + void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, int src_stepx, \ + uint8* dst_ptr, int dst_width) { \ + int r = (int)((unsigned int)dst_width % (MASK + 1)); \ + int n = dst_width - r; \ + 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 + +// Add rows box filter scale down. +#define SAANY(NAMEANY, SCALEADDROW_SIMD, SCALEADDROW_C, MASK) \ + void NAMEANY(const uint8* src_ptr, uint16* 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 +#undef SAANY + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + + + + + |