2 * software RGB to RGB converter
3 * pluralize by software PAL8 to RGB converter
4 * software YUV to YUV converter
5 * software YUV to RGB converter
6 * Written by Nick Kurshev.
7 * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
9 * This file is part of FFmpeg.
11 * FFmpeg is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * FFmpeg is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with FFmpeg; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "libavutil/attributes.h"
30 #include "libavutil/x86/asm.h"
31 #include "libavutil/x86/cpu.h"
32 #include "libavutil/cpu.h"
33 #include "libavutil/bswap.h"
34 #include "libswscale/rgb2rgb.h"
35 #include "libswscale/swscale.h"
36 #include "libswscale/swscale_internal.h"
40 DECLARE_ASM_CONST(8, uint64_t, mmx_ff
) = 0x00000000000000FFULL
;
41 DECLARE_ASM_CONST(8, uint64_t, mmx_null
) = 0x0000000000000000ULL
;
42 DECLARE_ASM_CONST(8, uint64_t, mmx_one
) = 0xFFFFFFFFFFFFFFFFULL
;
43 DECLARE_ASM_CONST(8, uint64_t, mask32b
) = 0x000000FF000000FFULL
;
44 DECLARE_ASM_CONST(8, uint64_t, mask32g
) = 0x0000FF000000FF00ULL
;
45 DECLARE_ASM_CONST(8, uint64_t, mask32r
) = 0x00FF000000FF0000ULL
;
46 DECLARE_ASM_CONST(8, uint64_t, mask32a
) = 0xFF000000FF000000ULL
;
47 DECLARE_ASM_CONST(8, uint64_t, mask32
) = 0x00FFFFFF00FFFFFFULL
;
48 DECLARE_ASM_CONST(8, uint64_t, mask3216br
) = 0x00F800F800F800F8ULL
;
49 DECLARE_ASM_CONST(8, uint64_t, mask3216g
) = 0x0000FC000000FC00ULL
;
50 DECLARE_ASM_CONST(8, uint64_t, mask3215g
) = 0x0000F8000000F800ULL
;
51 DECLARE_ASM_CONST(8, uint64_t, mul3216
) = 0x2000000420000004ULL
;
52 DECLARE_ASM_CONST(8, uint64_t, mul3215
) = 0x2000000820000008ULL
;
53 DECLARE_ASM_CONST(8, uint64_t, mask24b
) = 0x00FF0000FF0000FFULL
;
54 DECLARE_ASM_CONST(8, uint64_t, mask24g
) = 0xFF0000FF0000FF00ULL
;
55 DECLARE_ASM_CONST(8, uint64_t, mask24r
) = 0x0000FF0000FF0000ULL
;
56 DECLARE_ASM_CONST(8, uint64_t, mask24l
) = 0x0000000000FFFFFFULL
;
57 DECLARE_ASM_CONST(8, uint64_t, mask24h
) = 0x0000FFFFFF000000ULL
;
58 DECLARE_ASM_CONST(8, uint64_t, mask24hh
) = 0xffff000000000000ULL
;
59 DECLARE_ASM_CONST(8, uint64_t, mask24hhh
) = 0xffffffff00000000ULL
;
60 DECLARE_ASM_CONST(8, uint64_t, mask24hhhh
) = 0xffffffffffff0000ULL
;
61 DECLARE_ASM_CONST(8, uint64_t, mask15b
) = 0x001F001F001F001FULL
; /* 00000000 00011111 xxB */
62 DECLARE_ASM_CONST(8, uint64_t, mask15rg
) = 0x7FE07FE07FE07FE0ULL
; /* 01111111 11100000 RGx */
63 DECLARE_ASM_CONST(8, uint64_t, mask15s
) = 0xFFE0FFE0FFE0FFE0ULL
;
64 DECLARE_ASM_CONST(8, uint64_t, mask15g
) = 0x03E003E003E003E0ULL
;
65 DECLARE_ASM_CONST(8, uint64_t, mask15r
) = 0x7C007C007C007C00ULL
;
66 #define mask16b mask15b
67 DECLARE_ASM_CONST(8, uint64_t, mask16g
) = 0x07E007E007E007E0ULL
;
68 DECLARE_ASM_CONST(8, uint64_t, mask16r
) = 0xF800F800F800F800ULL
;
69 DECLARE_ASM_CONST(8, uint64_t, red_16mask
) = 0x0000f8000000f800ULL
;
70 DECLARE_ASM_CONST(8, uint64_t, green_16mask
) = 0x000007e0000007e0ULL
;
71 DECLARE_ASM_CONST(8, uint64_t, blue_16mask
) = 0x0000001f0000001fULL
;
72 DECLARE_ASM_CONST(8, uint64_t, red_15mask
) = 0x00007c0000007c00ULL
;
73 DECLARE_ASM_CONST(8, uint64_t, green_15mask
) = 0x000003e0000003e0ULL
;
74 DECLARE_ASM_CONST(8, uint64_t, blue_15mask
) = 0x0000001f0000001fULL
;
75 DECLARE_ASM_CONST(8, uint64_t, mul15_mid
) = 0x4200420042004200ULL
;
76 DECLARE_ASM_CONST(8, uint64_t, mul15_hi
) = 0x0210021002100210ULL
;
77 DECLARE_ASM_CONST(8, uint64_t, mul16_mid
) = 0x2080208020802080ULL
;
79 DECLARE_ALIGNED(8, extern const uint64_t, ff_bgr2YOffset
);
80 DECLARE_ALIGNED(8, extern const uint64_t, ff_w1111
);
81 DECLARE_ALIGNED(8, extern const uint64_t, ff_bgr2UVOffset
);
83 #define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
84 #define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
85 #define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
86 #define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
87 #define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
88 #define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
89 #define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
90 #define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
91 #define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
93 // Note: We have C, MMX, MMXEXT, 3DNOW versions, there is no 3DNOW + MMXEXT one.
95 #define COMPILE_TEMPLATE_MMXEXT 0
96 #define COMPILE_TEMPLATE_AMD3DNOW 0
97 #define COMPILE_TEMPLATE_SSE2 0
98 #define COMPILE_TEMPLATE_AVX 0
102 #define RENAME(a) a ## _mmx
103 #include "rgb2rgb_template.c"
107 #undef COMPILE_TEMPLATE_MMXEXT
108 #define COMPILE_TEMPLATE_MMXEXT 1
109 #define RENAME(a) a ## _mmxext
110 #include "rgb2rgb_template.c"
114 #undef COMPILE_TEMPLATE_SSE2
115 #define COMPILE_TEMPLATE_SSE2 1
116 #define RENAME(a) a ## _sse2
117 #include "rgb2rgb_template.c"
121 #undef COMPILE_TEMPLATE_AVX
122 #define COMPILE_TEMPLATE_AVX 1
123 #define RENAME(a) a ## _avx
124 #include "rgb2rgb_template.c"
128 #undef COMPILE_TEMPLATE_MMXEXT
129 #undef COMPILE_TEMPLATE_SSE2
130 #undef COMPILE_TEMPLATE_AVX
131 #undef COMPILE_TEMPLATE_AMD3DNOW
132 #define COMPILE_TEMPLATE_MMXEXT 0
133 #define COMPILE_TEMPLATE_SSE2 0
134 #define COMPILE_TEMPLATE_AVX 0
135 #define COMPILE_TEMPLATE_AMD3DNOW 1
136 #define RENAME(a) a ## _3dnow
137 #include "rgb2rgb_template.c"
140 RGB15->RGB16 original by Strepto/Astral
141 ported to gcc & bugfixed : A'rpi
142 MMXEXT, 3DNOW optimization by Nick Kurshev
143 32-bit C version, and and&add trick by Michael Niedermayer
146 #endif /* HAVE_INLINE_ASM */
148 av_cold
void rgb2rgb_init_x86(void)
151 int cpu_flags
= av_get_cpu_flags();
153 if (INLINE_MMX(cpu_flags
))
155 if (INLINE_AMD3DNOW(cpu_flags
))
156 rgb2rgb_init_3dnow();
157 if (INLINE_MMXEXT(cpu_flags
))
158 rgb2rgb_init_mmxext();
159 if (INLINE_SSE2(cpu_flags
))
161 if (INLINE_AVX(cpu_flags
))
163 #endif /* HAVE_INLINE_ASM */