misc/winutils/include/libavutil/cpu.h
author Wuzzy <Wuzzy2@mail.ru>
Sat, 10 Feb 2018 22:02:08 +0100
changeset 12966 b543d767fed3
parent 7813 7ac83d79b897
permissions -rw-r--r--
Make first waypoint flash TechRacer, before hog starts racing
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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 */