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145 lines
5.6 KiB
145 lines
5.6 KiB
/* |
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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 <stdint.h> |
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#include "config.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/x86_cpu.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/bswap.h" |
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#include "libswscale/rgb2rgb.h" |
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#include "libswscale/swscale.h" |
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#include "libswscale/swscale_internal.h" |
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#if HAVE_INLINE_ASM |
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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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#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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#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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//MMX versions |
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#undef RENAME |
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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 0 |
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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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/* |
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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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#endif /* HAVE_INLINE_ASM */ |
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av_cold void rgb2rgb_init_x86(void) |
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{ |
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#if HAVE_INLINE_ASM |
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int cpu_flags = av_get_cpu_flags(); |
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if (cpu_flags & AV_CPU_FLAG_MMX) |
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rgb2rgb_init_MMX(); |
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if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW) |
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rgb2rgb_init_3DNOW(); |
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if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) |
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rgb2rgb_init_MMX2(); |
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if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2) |
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rgb2rgb_init_SSE2(); |
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#endif /* HAVE_INLINE_ASM */ |
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}
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