misc/winutils/include/libavutil/cpu.h
author Wuzzy <Wuzzy2@mail.ru>
Thu, 25 Apr 2019 23:01:05 +0200
changeset 14844 e239378a9400
parent 7813 7ac83d79b897
permissions -rw-r--r--
Prevent entering “/”, “\” and “:” in team and scheme names. The name of teams and schems is saved in the file name itself, so these characters would cause trouble as they are used in path names in Linux and Windows.
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/*
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 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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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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#ifndef AVUTIL_CPU_H
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#define AVUTIL_CPU_H
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#include "version.h"
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#define AV_CPU_FLAG_FORCE    0x80000000 /* force usage of selected flags (OR) */
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    /* lower 16 bits - CPU features */
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#define AV_CPU_FLAG_MMX          0x0001 ///< standard MMX
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#define AV_CPU_FLAG_MMXEXT       0x0002 ///< SSE integer functions or AMD MMX ext
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#if LIBAVUTIL_VERSION_MAJOR < 52
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#define AV_CPU_FLAG_MMX2         0x0002 ///< SSE integer functions or AMD MMX ext
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#endif
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#define AV_CPU_FLAG_3DNOW        0x0004 ///< AMD 3DNOW
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#define AV_CPU_FLAG_SSE          0x0008 ///< SSE functions
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#define AV_CPU_FLAG_SSE2         0x0010 ///< PIV SSE2 functions
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#define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster
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#define AV_CPU_FLAG_3DNOWEXT     0x0020 ///< AMD 3DNowExt
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#define AV_CPU_FLAG_SSE3         0x0040 ///< Prescott SSE3 functions
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#define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster
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#define AV_CPU_FLAG_SSSE3        0x0080 ///< Conroe SSSE3 functions
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#define AV_CPU_FLAG_ATOM     0x10000000 ///< Atom processor, some SSSE3 instructions are slower
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#define AV_CPU_FLAG_SSE4         0x0100 ///< Penryn SSE4.1 functions
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#define AV_CPU_FLAG_SSE42        0x0200 ///< Nehalem SSE4.2 functions
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#define AV_CPU_FLAG_AVX          0x4000 ///< AVX functions: requires OS support even if YMM registers aren't used
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#define AV_CPU_FLAG_XOP          0x0400 ///< Bulldozer XOP functions
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#define AV_CPU_FLAG_FMA4         0x0800 ///< Bulldozer FMA4 functions
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#define AV_CPU_FLAG_CMOV         0x1000 ///< i686 cmov
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#define AV_CPU_FLAG_ALTIVEC      0x0001 ///< standard
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#define AV_CPU_FLAG_ARMV5TE      (1 << 0)
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#define AV_CPU_FLAG_ARMV6        (1 << 1)
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#define AV_CPU_FLAG_ARMV6T2      (1 << 2)
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#define AV_CPU_FLAG_VFP          (1 << 3)
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#define AV_CPU_FLAG_VFPV3        (1 << 4)
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#define AV_CPU_FLAG_NEON         (1 << 5)
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/**
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 * Return the flags which specify extensions supported by the CPU.
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 */
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int av_get_cpu_flags(void);
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/**
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 * Set a mask on flags returned by av_get_cpu_flags().
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 * This function is mainly useful for testing.
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 *
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 * @warning this function is not thread safe.
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 */
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void av_set_cpu_flags_mask(int mask);
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/**
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 * Parse CPU flags from a string.
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 *
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 * @return a combination of AV_CPU_* flags, negative on error.
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 */
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int av_parse_cpu_flags(const char *s);
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/* The following CPU-specific functions shall not be called directly. */
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int ff_get_cpu_flags_arm(void);
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int ff_get_cpu_flags_ppc(void);
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int ff_get_cpu_flags_x86(void);
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#endif /* AVUTIL_CPU_H */