/*

 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg 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.

 *

 * FFmpeg 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 FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */



#ifndef AVUTIL_CPU_H

#define AVUTIL_CPU_H



#define AV_CPU_FLAG_FORCE    0x80000000 /* force usage of selected flags (OR) */



    /* lower 16 bits - CPU features */

#define AV_CPU_FLAG_MMX          0x0001 ///< standard MMX

#define AV_CPU_FLAG_MMX2         0x0002 ///< SSE integer functions or AMD MMX ext

#define AV_CPU_FLAG_3DNOW        0x0004 ///< AMD 3DNOW

#define AV_CPU_FLAG_SSE          0x0008 ///< SSE functions

#define AV_CPU_FLAG_SSE2         0x0010 ///< PIV SSE2 functions

#define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster

#define AV_CPU_FLAG_3DNOWEXT     0x0020 ///< AMD 3DNowExt

#define AV_CPU_FLAG_SSE3         0x0040 ///< Prescott SSE3 functions

#define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster

#define AV_CPU_FLAG_SSSE3        0x0080 ///< Conroe SSSE3 functions

#define AV_CPU_FLAG_ATOM     0x10000000 ///< Atom processor, some SSSE3 instructions are slower

#define AV_CPU_FLAG_SSE4         0x0100 ///< Penryn SSE4.1 functions

#define AV_CPU_FLAG_SSE42        0x0200 ///< Nehalem SSE4.2 functions

#define AV_CPU_FLAG_AVX          0x4000 ///< AVX functions: requires OS support even if YMM registers aren't used

#define AV_CPU_FLAG_IWMMXT       0x0100 ///< XScale IWMMXT

#define AV_CPU_FLAG_ALTIVEC      0x0001 ///< standard



/**

 * Return the flags which specify extensions supported by the CPU.

 */

int av_get_cpu_flags(void);





/**

 * Disables cpu detection and forces the specified flags.

 */

void av_force_cpu_flags(int flags);





/* The following CPU-specific functions shall not be called directly. */

int ff_get_cpu_flags_arm(void);

int ff_get_cpu_flags_ppc(void);

int ff_get_cpu_flags_x86(void);



#endif /* AVUTIL_CPU_H */

