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Diffstat (limited to 'thirdparties/iphone/include/libyuv/libyuv/scale_row.h')
-rw-r--r-- | thirdparties/iphone/include/libyuv/libyuv/scale_row.h | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/thirdparties/iphone/include/libyuv/libyuv/scale_row.h b/thirdparties/iphone/include/libyuv/libyuv/scale_row.h new file mode 100644 index 0000000..27aa04b --- /dev/null +++ b/thirdparties/iphone/include/libyuv/libyuv/scale_row.h @@ -0,0 +1,332 @@ +/* + * Copyright 2013 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. + */ + +#ifndef INCLUDE_LIBYUV_SCALE_ROW_H_ // NOLINT +#define INCLUDE_LIBYUV_SCALE_ROW_H_ + +#include "libyuv/basic_types.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +#if defined(__pnacl__) || defined(__CLR_VER) || defined(COVERAGE_ENABLED) || \ + defined(TARGET_IPHONE_SIMULATOR) +#define LIBYUV_DISABLE_X86 +#endif + +// The following are available on all x86 platforms: +#if !defined(LIBYUV_DISABLE_X86) && \ + (defined(_M_IX86) || defined(__x86_64__) || defined(__i386__)) +#define HAS_SCALEROWDOWN2_SSE2 +#define HAS_SCALEROWDOWN4_SSE2 +#define HAS_SCALEROWDOWN34_SSSE3 +#define HAS_SCALEROWDOWN38_SSSE3 +#define HAS_SCALEADDROWS_SSE2 +#define HAS_SCALEFILTERCOLS_SSSE3 +#define HAS_SCALECOLSUP2_SSE2 +#define HAS_SCALEARGBROWDOWN2_SSE2 +#define HAS_SCALEARGBROWDOWNEVEN_SSE2 +#define HAS_SCALEARGBCOLS_SSE2 +#define HAS_SCALEARGBFILTERCOLS_SSSE3 +#define HAS_SCALEARGBCOLSUP2_SSE2 +#define HAS_FIXEDDIV_X86 +#define HAS_FIXEDDIV1_X86 +#endif + +// The following are available on Neon platforms: +#if !defined(LIBYUV_DISABLE_NEON) && !defined(__native_client__) && \ + (defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__)) +#define HAS_SCALEROWDOWN2_NEON +#define HAS_SCALEROWDOWN4_NEON +#define HAS_SCALEROWDOWN34_NEON +#define HAS_SCALEROWDOWN38_NEON +#define HAS_SCALEARGBROWDOWNEVEN_NEON +#define HAS_SCALEARGBROWDOWN2_NEON +#endif + +// The following are available on Mips platforms: +#if !defined(LIBYUV_DISABLE_MIPS) && !defined(__native_client__) && \ + defined(__mips__) && defined(__mips_dsp) && (__mips_dsp_rev >= 2) +#define HAS_SCALEROWDOWN2_MIPS_DSPR2 +#define HAS_SCALEROWDOWN4_MIPS_DSPR2 +#define HAS_SCALEROWDOWN34_MIPS_DSPR2 +#define HAS_SCALEROWDOWN38_MIPS_DSPR2 +#endif + +// Scale ARGB vertically with bilinear interpolation. +void ScalePlaneVertical(int src_height, + int dst_width, int dst_height, + int src_stride, int dst_stride, + const uint8* src_argb, uint8* dst_argb, + int x, int y, int dy, + int bpp, enum FilterMode filtering); + +void ScalePlaneVertical_16(int src_height, + int dst_width, int dst_height, + int src_stride, int dst_stride, + const uint16* src_argb, uint16* dst_argb, + int x, int y, int dy, + int wpp, enum FilterMode filtering); + +// Simplify the filtering based on scale factors. +enum FilterMode ScaleFilterReduce(int src_width, int src_height, + int dst_width, int dst_height, + enum FilterMode filtering); + +// Divide num by div and return as 16.16 fixed point result. +int FixedDiv_C(int num, int div); +int FixedDiv_X86(int num, int div); +// Divide num - 1 by div - 1 and return as 16.16 fixed point result. +int FixedDiv1_C(int num, int div); +int FixedDiv1_X86(int num, int div); +#ifdef HAS_FIXEDDIV_X86 +#define FixedDiv FixedDiv_X86 +#define FixedDiv1 FixedDiv1_X86 +#else +#define FixedDiv FixedDiv_C +#define FixedDiv1 FixedDiv1_C +#endif + +// Compute slope values for stepping. +void ScaleSlope(int src_width, int src_height, + int dst_width, int dst_height, + enum FilterMode filtering, + int* x, int* y, int* dx, int* dy); + +void ScaleRowDown2_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown2_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown2Linear_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown2Linear_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown2Box_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown2Box_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown4_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown4_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown4Box_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown4Box_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown34_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown34_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown34_0_Box_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* d, int dst_width); +void ScaleRowDown34_0_Box_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* d, int dst_width); +void ScaleRowDown34_1_Box_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* d, int dst_width); +void ScaleRowDown34_1_Box_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* d, int dst_width); +void ScaleCols_C(uint8* dst_ptr, const uint8* src_ptr, + int dst_width, int x, int dx); +void ScaleCols_16_C(uint16* dst_ptr, const uint16* src_ptr, + int dst_width, int x, int dx); +void ScaleColsUp2_C(uint8* dst_ptr, const uint8* src_ptr, + int dst_width, int, int); +void ScaleColsUp2_16_C(uint16* dst_ptr, const uint16* src_ptr, + int dst_width, int, int); +void ScaleFilterCols_C(uint8* dst_ptr, const uint8* src_ptr, + int dst_width, int x, int dx); +void ScaleFilterCols_16_C(uint16* dst_ptr, const uint16* src_ptr, + int dst_width, int x, int dx); +void ScaleFilterCols64_C(uint8* dst_ptr, const uint8* src_ptr, + int dst_width, int x, int dx); +void ScaleFilterCols64_16_C(uint16* dst_ptr, const uint16* src_ptr, + int dst_width, int x, int dx); +void ScaleRowDown38_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown38_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst, int dst_width); +void ScaleRowDown38_3_Box_C(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown38_3_Box_16_C(const uint16* src_ptr, + ptrdiff_t src_stride, + uint16* dst_ptr, int dst_width); +void ScaleRowDown38_2_Box_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown38_2_Box_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint16* dst_ptr, int dst_width); +void ScaleAddRows_C(const uint8* src_ptr, ptrdiff_t src_stride, + uint16* dst_ptr, int src_width, int src_height); +void ScaleAddRows_16_C(const uint16* src_ptr, ptrdiff_t src_stride, + uint32* dst_ptr, int src_width, int src_height); +void ScaleARGBRowDown2_C(const uint8* src_argb, + ptrdiff_t src_stride, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDown2Linear_C(const uint8* src_argb, + ptrdiff_t src_stride, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDown2Box_C(const uint8* src_argb, ptrdiff_t src_stride, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDownEven_C(const uint8* src_argb, ptrdiff_t src_stride, + int src_stepx, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDownEvenBox_C(const uint8* src_argb, + ptrdiff_t src_stride, + int src_stepx, + uint8* dst_argb, int dst_width); +void ScaleARGBCols_C(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); +void ScaleARGBCols64_C(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); +void ScaleARGBColsUp2_C(uint8* dst_argb, const uint8* src_argb, + int dst_width, int, int); +void ScaleARGBFilterCols_C(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); +void ScaleARGBFilterCols64_C(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); + +void ScaleRowDown2_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown2Linear_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown2Box_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown4_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown4Box_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown34_SSSE3(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown34_1_Box_SSSE3(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown34_0_Box_SSSE3(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown38_SSSE3(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown38_3_Box_SSSE3(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown38_2_Box_SSSE3(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleAddRows_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, + uint16* dst_ptr, int src_width, + int src_height); +void ScaleFilterCols_SSSE3(uint8* dst_ptr, const uint8* src_ptr, + int dst_width, int x, int dx); +void ScaleColsUp2_SSE2(uint8* dst_ptr, const uint8* src_ptr, + int dst_width, int x, int dx); +void ScaleARGBRowDown2_SSE2(const uint8* src_argb, + ptrdiff_t src_stride, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDown2Linear_SSE2(const uint8* src_argb, + ptrdiff_t src_stride, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDown2Box_SSE2(const uint8* src_argb, + ptrdiff_t src_stride, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDownEven_SSE2(const uint8* src_argb, ptrdiff_t src_stride, + int src_stepx, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDownEvenBox_SSE2(const uint8* src_argb, + ptrdiff_t src_stride, + int src_stepx, + uint8* dst_argb, int dst_width); +void ScaleARGBCols_SSE2(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); +void ScaleARGBFilterCols_SSSE3(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); +void ScaleARGBColsUp2_SSE2(uint8* dst_argb, const uint8* src_argb, + int dst_width, int x, int dx); +// Row functions. +void ScaleARGBRowDownEven_NEON(const uint8* src_argb, ptrdiff_t src_stride, + int src_stepx, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ptrdiff_t src_stride, + int src_stepx, + uint8* dst_argb, int dst_width); +void ScaleARGBRowDown2_NEON(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleARGBRowDown2Box_NEON(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); + +// ScaleRowDown2Box also used by planar functions +// NEON downscalers with interpolation. + +// Note - not static due to reuse in convert for 444 to 420. +void ScaleRowDown2_NEON(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); + +void ScaleRowDown2Box_NEON(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); + +void ScaleRowDown4_NEON(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown4Box_NEON(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); + +// Down scale from 4 to 3 pixels. Use the neon multilane read/write +// to load up the every 4th pixel into a 4 different registers. +// Point samples 32 pixels to 24 pixels. +void ScaleRowDown34_NEON(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown34_0_Box_NEON(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown34_1_Box_NEON(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); + +// 32 -> 12 +void ScaleRowDown38_NEON(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +// 32x3 -> 12x1 +void ScaleRowDown38_3_Box_NEON(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +// 32x2 -> 12x1 +void ScaleRowDown38_2_Box_NEON(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); + +void ScaleRowDown2_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown2Box_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown4_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown4Box_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown34_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown34_0_Box_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* d, int dst_width); +void ScaleRowDown34_1_Box_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* d, int dst_width); +void ScaleRowDown38_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst, int dst_width); +void ScaleRowDown38_2_Box_MIPS_DSPR2(const uint8* src_ptr, ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); +void ScaleRowDown38_3_Box_MIPS_DSPR2(const uint8* src_ptr, + ptrdiff_t src_stride, + uint8* dst_ptr, int dst_width); + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // INCLUDE_LIBYUV_SCALE_ROW_H_ NOLINT |