ffmpeg / libswscale / rgb2rgb.c @ 0e1a5434
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/*
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* software RGB to RGB converter
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* pluralize by software PAL8 to RGB converter
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* software YUV to YUV converter
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* software YUV to RGB converter
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* Written by Nick Kurshev.
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* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <inttypes.h> |
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#include "config.h" |
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#include "libavutil/x86_cpu.h" |
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#include "libavutil/bswap.h" |
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#include "rgb2rgb.h" |
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#include "swscale.h" |
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#include "swscale_internal.h" |
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void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size); |
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void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, |
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long width, long height, |
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long lumStride, long chromStride, long dstStride); |
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void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, |
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long width, long height, |
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long lumStride, long chromStride, long dstStride); |
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void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, |
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long width, long height, |
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long lumStride, long chromStride, long dstStride); |
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void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, |
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long width, long height, |
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long lumStride, long chromStride, long dstStride); |
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void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, |
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long width, long height, |
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long lumStride, long chromStride, long srcStride); |
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void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, |
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long width, long height, |
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long lumStride, long chromStride, long srcStride); |
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void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height, |
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long srcStride, long dstStride); |
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void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst, |
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long width, long height, long src1Stride, |
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long src2Stride, long dstStride); |
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void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2, |
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uint8_t *dst1, uint8_t *dst2, |
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long width, long height, |
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long srcStride1, long srcStride2, |
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long dstStride1, long dstStride2); |
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void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, |
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uint8_t *dst, |
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long width, long height, |
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long srcStride1, long srcStride2, |
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long srcStride3, long dstStride); |
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void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
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long width, long height, |
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long lumStride, long chromStride, long srcStride); |
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void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
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long width, long height, |
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long lumStride, long chromStride, long srcStride); |
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void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
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long width, long height, |
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long lumStride, long chromStride, long srcStride); |
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void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
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long width, long height, |
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long lumStride, long chromStride, long srcStride); |
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#if ARCH_X86
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DECLARE_ASM_CONST(8, uint64_t, mmx_ff) = 0x00000000000000FFULL; |
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DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask32a) = 0xFF000000FF000000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */ |
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DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ |
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DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL; |
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#define mask16b mask15b
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DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL; |
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DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL; |
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DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL; |
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DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL; |
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DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL; |
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DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL; |
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DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL; |
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#endif /* ARCH_X86 */ |
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#define RGB2YUV_SHIFT 8 |
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#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5)) |
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//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
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//plain C versions
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#define COMPILE_TEMPLATE_MMX 0 |
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#define COMPILE_TEMPLATE_MMX2 0 |
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#define COMPILE_TEMPLATE_AMD3DNOW 0 |
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#define COMPILE_TEMPLATE_SSE2 0 |
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#define RENAME(a) a ## _C |
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#include "rgb2rgb_template.c" |
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#if ARCH_X86
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//MMX versions
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#undef RENAME
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#undef COMPILE_TEMPLATE_MMX
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#define COMPILE_TEMPLATE_MMX 1 |
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#define RENAME(a) a ## _MMX |
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#include "rgb2rgb_template.c" |
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//MMX2 versions
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#undef RENAME
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#undef COMPILE_TEMPLATE_MMX2
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#define COMPILE_TEMPLATE_MMX2 1 |
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#define RENAME(a) a ## _MMX2 |
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#include "rgb2rgb_template.c" |
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//SSE2 versions
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#undef RENAME
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#undef COMPILE_TEMPLATE_SSE2
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#define COMPILE_TEMPLATE_SSE2 1 |
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#define RENAME(a) a ## _SSE2 |
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#include "rgb2rgb_template.c" |
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//3DNOW versions
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#undef RENAME
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#undef COMPILE_TEMPLATE_MMX2
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#undef COMPILE_TEMPLATE_SSE2
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#undef COMPILE_TEMPLATE_AMD3DNOW
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#define COMPILE_TEMPLATE_MMX2 0 |
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#define COMPILE_TEMPLATE_SSE2 1 |
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#define COMPILE_TEMPLATE_AMD3DNOW 1 |
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#define RENAME(a) a ## _3DNOW |
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#include "rgb2rgb_template.c" |
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#endif //ARCH_X86 || ARCH_X86_64 |
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/*
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RGB15->RGB16 original by Strepto/Astral
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ported to gcc & bugfixed : A'rpi
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MMX2, 3DNOW optimization by Nick Kurshev
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32-bit C version, and and&add trick by Michael Niedermayer
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*/
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void sws_rgb2rgb_init(int flags) |
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{
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#if HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
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if (flags & SWS_CPU_CAPS_SSE2)
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rgb2rgb_init_SSE2(); |
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else if (flags & SWS_CPU_CAPS_MMX2) |
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rgb2rgb_init_MMX2(); |
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else if (flags & SWS_CPU_CAPS_3DNOW) |
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rgb2rgb_init_3DNOW(); |
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else if (flags & SWS_CPU_CAPS_MMX) |
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rgb2rgb_init_MMX(); |
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else
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#endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */ |
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rgb2rgb_init_C(); |
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} |
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#if LIBSWSCALE_VERSION_MAJOR < 1 |
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void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
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{
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sws_convertPalette8ToPacked32(src, dst, num_pixels, palette); |
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} |
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void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
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{
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sws_convertPalette8ToPacked24(src, dst, num_pixels, palette); |
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} |
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/**
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* Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
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*/
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void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
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{
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long i;
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for (i=0; i<num_pixels; i++) |
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((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
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} |
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void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
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{
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long i;
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for (i=0; i<num_pixels; i++) |
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((uint16_t *)dst)[i] = av_bswap16(((const uint16_t *)palette)[src[i]]);
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} |
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#endif
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void rgb32to24(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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long i;
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long num_pixels = src_size >> 2; |
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for (i=0; i<num_pixels; i++) { |
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#if HAVE_BIGENDIAN
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/* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
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dst[3*i + 0] = src[4*i + 1]; |
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dst[3*i + 1] = src[4*i + 2]; |
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dst[3*i + 2] = src[4*i + 3]; |
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#else
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dst[3*i + 0] = src[4*i + 2]; |
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dst[3*i + 1] = src[4*i + 1]; |
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dst[3*i + 2] = src[4*i + 0]; |
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#endif
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} |
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} |
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void rgb24to32(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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long i;
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for (i=0; 3*i<src_size; i++) { |
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#if HAVE_BIGENDIAN
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/* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
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dst[4*i + 0] = 255; |
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dst[4*i + 1] = src[3*i + 0]; |
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dst[4*i + 2] = src[3*i + 1]; |
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dst[4*i + 3] = src[3*i + 2]; |
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#else
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dst[4*i + 0] = src[3*i + 2]; |
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dst[4*i + 1] = src[3*i + 1]; |
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dst[4*i + 2] = src[3*i + 0]; |
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dst[4*i + 3] = 255; |
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#endif
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} |
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} |
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void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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const uint16_t *end;
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uint8_t *d = dst; |
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const uint16_t *s = (const uint16_t *)src; |
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end = s + src_size/2;
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while (s < end) {
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register uint16_t bgr;
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bgr = *s++; |
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#if HAVE_BIGENDIAN
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*d++ = 255;
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*d++ = (bgr&0x1F)<<3; |
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*d++ = (bgr&0x7E0)>>3; |
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*d++ = (bgr&0xF800)>>8; |
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#else
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*d++ = (bgr&0xF800)>>8; |
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*d++ = (bgr&0x7E0)>>3; |
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*d++ = (bgr&0x1F)<<3; |
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*d++ = 255;
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#endif
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} |
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} |
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void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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const uint16_t *end;
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uint8_t *d = dst; |
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const uint16_t *s = (const uint16_t *)src; |
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end = s + src_size/2;
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while (s < end) {
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register uint16_t bgr;
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bgr = *s++; |
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*d++ = (bgr&0xF800)>>8; |
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*d++ = (bgr&0x7E0)>>3; |
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*d++ = (bgr&0x1F)<<3; |
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} |
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} |
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void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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long i;
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long num_pixels = src_size >> 1; |
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for (i=0; i<num_pixels; i++) { |
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unsigned rgb = ((const uint16_t*)src)[i]; |
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((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<11); |
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} |
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} |
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void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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long i;
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long num_pixels = src_size >> 1; |
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for (i=0; i<num_pixels; i++) { |
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unsigned rgb = ((const uint16_t*)src)[i]; |
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((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10); |
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} |
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} |
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void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size) |
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{
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const uint16_t *end;
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uint8_t *d = dst; |
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const uint16_t *s = (const uint16_t *)src; |
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end = s + src_size/2;
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while (s < end) {
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register uint16_t bgr;
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bgr = *s++; |
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#if HAVE_BIGENDIAN
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*d++ = 255;
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*d++ = (bgr&0x1F)<<3; |
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*d++ = (bgr&0x3E0)>>2; |
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*d++ = (bgr&0x7C00)>>7; |
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#else
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*d++ = (bgr&0x7C00)>>7; |
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*d++ = (bgr&0x3E0)>>2; |
| 358 |
*d++ = (bgr&0x1F)<<3; |
| 359 |
*d++ = 255;
|
| 360 |
#endif
|
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size) |
| 365 |
{
|
| 366 |
const uint16_t *end;
|
| 367 |
uint8_t *d = dst; |
| 368 |
const uint16_t *s = (const uint16_t *)src; |
| 369 |
end = s + src_size/2;
|
| 370 |
while (s < end) {
|
| 371 |
register uint16_t bgr;
|
| 372 |
bgr = *s++; |
| 373 |
*d++ = (bgr&0x7C00)>>7; |
| 374 |
*d++ = (bgr&0x3E0)>>2; |
| 375 |
*d++ = (bgr&0x1F)<<3; |
| 376 |
} |
| 377 |
} |
| 378 |
|
| 379 |
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size) |
| 380 |
{
|
| 381 |
long i;
|
| 382 |
long num_pixels = src_size >> 1; |
| 383 |
|
| 384 |
for (i=0; i<num_pixels; i++) { |
| 385 |
unsigned rgb = ((const uint16_t*)src)[i]; |
| 386 |
((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11); |
| 387 |
} |
| 388 |
} |
| 389 |
|
| 390 |
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size) |
| 391 |
{
|
| 392 |
long i;
|
| 393 |
long num_pixels = src_size >> 1; |
| 394 |
|
| 395 |
for (i=0; i<num_pixels; i++) { |
| 396 |
unsigned br;
|
| 397 |
unsigned rgb = ((const uint16_t*)src)[i]; |
| 398 |
br = rgb&0x7c1F;
|
| 399 |
((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10); |
| 400 |
} |
| 401 |
} |
| 402 |
|
| 403 |
void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size) |
| 404 |
{
|
| 405 |
long i;
|
| 406 |
long num_pixels = src_size;
|
| 407 |
for (i=0; i<num_pixels; i++) { |
| 408 |
unsigned b,g,r;
|
| 409 |
register uint8_t rgb;
|
| 410 |
rgb = src[i]; |
| 411 |
r = (rgb&0x07);
|
| 412 |
g = (rgb&0x38)>>3; |
| 413 |
b = (rgb&0xC0)>>6; |
| 414 |
dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6); |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
#define DEFINE_SHUFFLE_BYTES(a, b, c, d) \
|
| 419 |
void shuffle_bytes_##a##b##c##d(const uint8_t *src, uint8_t *dst, long src_size) \ |
| 420 |
{ \
|
| 421 |
long i; \
|
| 422 |
\ |
| 423 |
for (i = 0; i < src_size; i+=4) { \ |
| 424 |
dst[i + 0] = src[i + a]; \
|
| 425 |
dst[i + 1] = src[i + b]; \
|
| 426 |
dst[i + 2] = src[i + c]; \
|
| 427 |
dst[i + 3] = src[i + d]; \
|
| 428 |
} \ |
| 429 |
} |
| 430 |
|
| 431 |
DEFINE_SHUFFLE_BYTES(0, 3, 2, 1); |
| 432 |
DEFINE_SHUFFLE_BYTES(1, 2, 3, 0); |
| 433 |
DEFINE_SHUFFLE_BYTES(3, 0, 1, 2); |
| 434 |
DEFINE_SHUFFLE_BYTES(3, 2, 1, 0); |
| 435 |
|