Libav 0.7.1
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00001 /* 00002 * software RGB to RGB converter 00003 * pluralize by software PAL8 to RGB converter 00004 * software YUV to YUV converter 00005 * software YUV to RGB converter 00006 * Written by Nick Kurshev. 00007 * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) 00008 * 00009 * This file is part of Libav. 00010 * 00011 * Libav is free software; you can redistribute it and/or 00012 * modify it under the terms of the GNU Lesser General Public 00013 * License as published by the Free Software Foundation; either 00014 * version 2.1 of the License, or (at your option) any later version. 00015 * 00016 * Libav is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 * Lesser General Public License for more details. 00020 * 00021 * You should have received a copy of the GNU Lesser General Public 00022 * License along with Libav; if not, write to the Free Software 00023 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00024 */ 00025 00026 #include <stdint.h> 00027 00028 #include "config.h" 00029 #include "libavutil/x86_cpu.h" 00030 #include "libavutil/cpu.h" 00031 #include "libavutil/bswap.h" 00032 #include "libswscale/rgb2rgb.h" 00033 #include "libswscale/swscale.h" 00034 #include "libswscale/swscale_internal.h" 00035 00036 DECLARE_ASM_CONST(8, uint64_t, mmx_ff) = 0x00000000000000FFULL; 00037 DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL; 00038 DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL; 00039 DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL; 00040 DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL; 00041 DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL; 00042 DECLARE_ASM_CONST(8, uint64_t, mask32a) = 0xFF000000FF000000ULL; 00043 DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL; 00044 DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL; 00045 DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL; 00046 DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL; 00047 DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL; 00048 DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL; 00049 DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL; 00050 DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL; 00051 DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL; 00052 DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL; 00053 DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL; 00054 DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL; 00055 DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL; 00056 DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL; 00057 DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */ 00058 DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ 00059 DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL; 00060 DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL; 00061 DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL; 00062 #define mask16b mask15b 00063 DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL; 00064 DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL; 00065 DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL; 00066 DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL; 00067 DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL; 00068 DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL; 00069 DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL; 00070 DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL; 00071 00072 #define RGB2YUV_SHIFT 8 00073 #define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5)) 00074 #define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5)) 00075 #define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) 00076 #define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5)) 00077 #define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5)) 00078 #define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5)) 00079 #define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5)) 00080 #define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) 00081 #define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5)) 00082 00083 //Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one. 00084 00085 #define COMPILE_TEMPLATE_MMX2 0 00086 #define COMPILE_TEMPLATE_AMD3DNOW 0 00087 #define COMPILE_TEMPLATE_SSE2 0 00088 00089 //MMX versions 00090 #undef RENAME 00091 #define RENAME(a) a ## _MMX 00092 #include "rgb2rgb_template.c" 00093 00094 //MMX2 versions 00095 #undef RENAME 00096 #undef COMPILE_TEMPLATE_MMX2 00097 #define COMPILE_TEMPLATE_MMX2 1 00098 #define RENAME(a) a ## _MMX2 00099 #include "rgb2rgb_template.c" 00100 00101 //SSE2 versions 00102 #undef RENAME 00103 #undef COMPILE_TEMPLATE_SSE2 00104 #define COMPILE_TEMPLATE_SSE2 1 00105 #define RENAME(a) a ## _SSE2 00106 #include "rgb2rgb_template.c" 00107 00108 //3DNOW versions 00109 #undef RENAME 00110 #undef COMPILE_TEMPLATE_MMX2 00111 #undef COMPILE_TEMPLATE_SSE2 00112 #undef COMPILE_TEMPLATE_AMD3DNOW 00113 #define COMPILE_TEMPLATE_MMX2 0 00114 #define COMPILE_TEMPLATE_SSE2 0 00115 #define COMPILE_TEMPLATE_AMD3DNOW 1 00116 #define RENAME(a) a ## _3DNOW 00117 #include "rgb2rgb_template.c" 00118 00119 /* 00120 RGB15->RGB16 original by Strepto/Astral 00121 ported to gcc & bugfixed : A'rpi 00122 MMX2, 3DNOW optimization by Nick Kurshev 00123 32-bit C version, and and&add trick by Michael Niedermayer 00124 */ 00125 00126 void rgb2rgb_init_x86(void) 00127 { 00128 int cpu_flags = av_get_cpu_flags(); 00129 00130 if (cpu_flags & AV_CPU_FLAG_MMX) 00131 rgb2rgb_init_MMX(); 00132 if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW) 00133 rgb2rgb_init_3DNOW(); 00134 if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) 00135 rgb2rgb_init_MMX2(); 00136 if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2) 00137 rgb2rgb_init_SSE2(); 00138 }