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(*
* 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
*
* This is a part of the Pascal port of ffmpeg.
* - Changes and updates by the UltraStar Deluxe Team
*
* Conversion of libavutil/cpu.h
* avutil version 51.34.101
*
*)
(**
* @file
* CPU specific
*)
const
AV_CPU_FLAG_FORCE = $80000000; (* force usage of selected flags (OR) *)
(* lower 16 bits - CPU features *)
AV_CPU_FLAG_MMX = $0001; ///< standard MMX
AV_CPU_FLAG_MMX2 = $0002; ///< SSE integer functions or AMD MMX ext
AV_CPU_FLAG_3DNOW = $0004; ///< AMD 3DNOW
AV_CPU_FLAG_SSE = $0008; ///< SSE functions
AV_CPU_FLAG_SSE2 = $0010; ///< PIV SSE2 functions
AV_CPU_FLAG_SSE2SLOW = $40000000; ///< SSE2 supported, but usually not faster
AV_CPU_FLAG_3DNOWEXT = $0020; ///< AMD 3DNowExt
AV_CPU_FLAG_SSE3 = $0040; ///< Prescott SSE3 functions
AV_CPU_FLAG_SSE3SLOW = $20000000; ///< SSE3 supported, but usually not faster
AV_CPU_FLAG_SSSE3 = $0080; ///< Conroe SSSE3 functions
AV_CPU_FLAG_ATOM = $10000000; ///< Atom processor, some SSSE3 instructions are slower
AV_CPU_FLAG_SSE4 = $0100; ///< Penryn SSE4.1 functions
AV_CPU_FLAG_SSE42 = $0200; ///< Nehalem SSE4.2 functions
AV_CPU_FLAG_AVX = $4000; ///< AVX functions: requires OS support even if YMM registers aren't used
AV_CPU_FLAG_IWMMXT = $0100; ///< XScale IWMMXT
AV_CPU_FLAG_ALTIVEC = $0001; ///< standard
(**
* Return the flags which specify extensions supported by the CPU.
*)
function av_get_cpu_flags(): cint;
cdecl; external av__util;
(**
* Disables cpu detection and forces the specified flags.
*)
procedure av_force_cpu_flags(flags: cint);
cdecl; external av__util;
(* The following CPU-specific functions shall not be called directly. *)
function ff_get_cpu_flags_arm(): cint;
cdecl; external av__util;
function ff_get_cpu_flags_ppc(): cint;
cdecl; external av__util;
function ff_get_cpu_flags_x86(): cint;
cdecl; external av__util;
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