Libav 0.7.1
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00001 /* 00002 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard 00003 * 00004 * This file is part of Libav. 00005 * 00006 * Libav is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * Libav is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with Libav; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #ifndef AVUTIL_CPU_H 00022 #define AVUTIL_CPU_H 00023 00024 #define AV_CPU_FLAG_FORCE 0x80000000 /* force usage of selected flags (OR) */ 00025 00026 /* lower 16 bits - CPU features */ 00027 #define AV_CPU_FLAG_MMX 0x0001 ///< standard MMX 00028 #define AV_CPU_FLAG_MMX2 0x0002 ///< SSE integer functions or AMD MMX ext 00029 #define AV_CPU_FLAG_3DNOW 0x0004 ///< AMD 3DNOW 00030 #define AV_CPU_FLAG_SSE 0x0008 ///< SSE functions 00031 #define AV_CPU_FLAG_SSE2 0x0010 ///< PIV SSE2 functions 00032 #define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster 00033 #define AV_CPU_FLAG_3DNOWEXT 0x0020 ///< AMD 3DNowExt 00034 #define AV_CPU_FLAG_SSE3 0x0040 ///< Prescott SSE3 functions 00035 #define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster 00036 #define AV_CPU_FLAG_SSSE3 0x0080 ///< Conroe SSSE3 functions 00037 #define AV_CPU_FLAG_ATOM 0x10000000 ///< Atom processor, some SSSE3 instructions are slower 00038 #define AV_CPU_FLAG_SSE4 0x0100 ///< Penryn SSE4.1 functions 00039 #define AV_CPU_FLAG_SSE42 0x0200 ///< Nehalem SSE4.2 functions 00040 #define AV_CPU_FLAG_AVX 0x4000 ///< AVX functions: requires OS support even if YMM registers aren't used 00041 #define AV_CPU_FLAG_IWMMXT 0x0100 ///< XScale IWMMXT 00042 #define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard 00043 00047 int av_get_cpu_flags(void); 00048 00049 /* The following CPU-specific functions shall not be called directly. */ 00050 int ff_get_cpu_flags_arm(void); 00051 int ff_get_cpu_flags_ppc(void); 00052 int ff_get_cpu_flags_x86(void); 00053 00054 #endif /* AVUTIL_CPU_H */