/usr/include/vlc/plugins/vlc_cpu.h is in libvlccore-dev 2.2.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 | /*****************************************************************************
* vlc_cpu.h: CPU capabilities
*****************************************************************************
* Copyright (C) 1998-2009 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
* \file
* This file provides CPU features detection.
*/
#ifndef VLC_CPU_H
# define VLC_CPU_H 1
VLC_API unsigned vlc_CPU(void);
# if defined (__i386__) || defined (__x86_64__)
# define HAVE_FPU 1
# define VLC_CPU_MMX 0x00000008
# define VLC_CPU_3dNOW 0x00000010
# define VLC_CPU_MMXEXT 0x00000020
# define VLC_CPU_SSE 0x00000040
# define VLC_CPU_SSE2 0x00000080
# define VLC_CPU_SSE3 0x00000100
# define VLC_CPU_SSSE3 0x00000200
# define VLC_CPU_SSE4_1 0x00000400
# define VLC_CPU_SSE4_2 0x00000800
# define VLC_CPU_SSE4A 0x00001000
# define VLC_CPU_AVX 0x00002000
# define VLC_CPU_AVX2 0x00004000
# define VLC_CPU_XOP 0x00008000
# define VLC_CPU_FMA4 0x00010000
# if defined (__MMX__)
# define vlc_CPU_MMX() (1)
# define VLC_MMX
# else
# define vlc_CPU_MMX() ((vlc_CPU() & VLC_CPU_MMX) != 0)
# if VLC_GCC_VERSION(4, 4) || defined(__clang__)
# define VLC_MMX __attribute__ ((__target__ ("mmx")))
# else
# define VLC_MMX VLC_MMX_is_not_implemented_on_this_compiler
# endif
# endif
# if defined (__SSE__)
# define vlc_CPU_MMXEXT() (1)
# define vlc_CPU_SSE() (1)
# define VLC_SSE
# else
# define vlc_CPU_MMXEXT() ((vlc_CPU() & VLC_CPU_MMXEXT) != 0)
# define vlc_CPU_SSE() ((vlc_CPU() & VLC_CPU_SSE) != 0)
# if VLC_GCC_VERSION(4, 4) || defined(__clang__)
# define VLC_SSE __attribute__ ((__target__ ("sse")))
# else
# define VLC_SSE VLC_SSE_is_not_implemented_on_this_compiler
# endif
# endif
# ifdef __SSE2__
# define vlc_CPU_SSE2() (1)
# else
# define vlc_CPU_SSE2() ((vlc_CPU() & VLC_CPU_SSE2) != 0)
# endif
# ifdef __SSE3__
# define vlc_CPU_SSE3() (1)
# else
# define vlc_CPU_SSE3() ((vlc_CPU() & VLC_CPU_SSE3) != 0)
# endif
# ifdef __SSSE3__
# define vlc_CPU_SSSE3() (1)
# else
# define vlc_CPU_SSSE3() ((vlc_CPU() & VLC_CPU_SSSE3) != 0)
# endif
# ifdef __SSE4_1__
# define vlc_CPU_SSE4_1() (1)
# else
# define vlc_CPU_SSE4_1() ((vlc_CPU() & VLC_CPU_SSE4_1) != 0)
# endif
# ifdef __SSE4_2__
# define vlc_CPU_SSE4_2() (1)
# else
# define vlc_CPU_SSE4_2() ((vlc_CPU() & VLC_CPU_SSE4_2) != 0)
# endif
# ifdef __SSE4A__
# define vlc_CPU_SSE4A() (1)
# else
# define vlc_CPU_SSE4A() ((vlc_CPU() & VLC_CPU_SSE4A) != 0)
# endif
# ifdef __AVX__
# define vlc_CPU_AVX() (1)
# else
# define vlc_CPU_AVX() ((vlc_CPU() & VLC_CPU_AVX) != 0)
# endif
# ifdef __AVX2__
# define vlc_CPU_AVX2() (1)
# else
# define vlc_CPU_AVX2() ((vlc_CPU() & VLC_CPU_AVX2) != 0)
# endif
# ifdef __3dNOW__
# define vlc_CPU_3dNOW() (1)
# else
# define vlc_CPU_3dNOW() ((vlc_CPU() & VLC_CPU_3dNOW) != 0)
# endif
# ifdef __XOP__
# define vlc_CPU_XOP() (1)
# else
# define vlc_CPU_XOP() ((vlc_CPU() & VLC_CPU_XOP) != 0)
# endif
# ifdef __FMA4__
# define vlc_CPU_FMA4() (1)
# else
# define vlc_CPU_FMA4() ((vlc_CPU() & VLC_CPU_FMA4) != 0)
# endif
# elif defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
# define HAVE_FPU 1
# define VLC_CPU_ALTIVEC 2
# ifdef ALTIVEC
# define vlc_CPU_ALTIVEC() (1)
# else
# define vlc_CPU_ALTIVEC() ((vlc_CPU() & VLC_CPU_ALTIVEC) != 0)
# endif
# elif defined (__arm__)
# if defined (__VFP_FP__) && !defined (__SOFTFP__)
# define HAVE_FPU 1
# else
# define HAVE_FPU 0
# endif
# define VLC_CPU_ARMv6 4
# define VLC_CPU_ARM_NEON 2
# if defined (__ARM_ARCH_7A__)
# define VLC_CPU_ARM_ARCH 7
# elif defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6T2__)
# define VLC_CPU_ARM_ARCH 6
# else
# define VLC_CPU_ARM_ARCH 4
# endif
# if (VLC_CPU_ARM_ARCH >= 6)
# define vlc_CPU_ARMv6() (1)
# else
# define vlc_CPU_ARMv6() ((vlc_CPU() & VLC_CPU_ARMv6) != 0)
# endif
# ifdef __ARM_NEON__
# define vlc_CPU_ARM_NEON() (1)
# else
# define vlc_CPU_ARM_NEON() ((vlc_CPU() & VLC_CPU_ARM_NEON) != 0)
# endif
# elif defined (__aarch64__)
# define HAVE_FPU 1
# elif defined (__sparc__)
# define HAVE_FPU 1
# elif defined (__mips_hard_float)
# define HAVE_FPU 1
# else
/**
* Are single precision floating point operations "fast"?
* If this preprocessor constant is zero, floating point should be avoided
* (especially relevant for audio codecs).
*/
# define HAVE_FPU 0
# endif
#endif /* !VLC_CPU_H */
|