mirror of https://git.ffmpeg.org/ffmpeg.git
147 lines
5.6 KiB
C
147 lines
5.6 KiB
C
/*
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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/asm.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, MMXEXT, 3DNOW versions, there is no 3DNOW + MMXEXT one.
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#define COMPILE_TEMPLATE_MMXEXT 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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// MMXEXT versions
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#undef RENAME
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#undef COMPILE_TEMPLATE_MMXEXT
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#define COMPILE_TEMPLATE_MMXEXT 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_MMXEXT
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#undef COMPILE_TEMPLATE_SSE2
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#undef COMPILE_TEMPLATE_AMD3DNOW
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#define COMPILE_TEMPLATE_MMXEXT 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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MMXEXT, 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 (INLINE_MMX(cpu_flags))
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rgb2rgb_init_MMX();
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if (INLINE_AMD3DNOW(cpu_flags))
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rgb2rgb_init_3DNOW();
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if (INLINE_MMXEXT(cpu_flags))
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rgb2rgb_init_MMX2();
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if (INLINE_SSE2(cpu_flags))
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rgb2rgb_init_SSE2();
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#endif /* HAVE_INLINE_ASM */
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}
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