mirror of
https://github.com/mpv-player/mpv
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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <libavutil/cpu.h>
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#include "compat/libav.h"
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#include "config.h"
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#include "mpvcore/cpudetect.h"
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#include "mpvcore/mp_msg.h"
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CpuCaps gCpuCaps;
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static void dump_flag(const char *name, bool val)
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{
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mp_msg(MSGT_CPUDETECT, MSGL_V, "CPU: %s: %s\n", name,
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val ? "enabled" : "disabled");
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}
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void GetCpuCaps(CpuCaps *c)
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{
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memset(c, 0, sizeof(*c));
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int flags = av_get_cpu_flags();
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#if ARCH_X86
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c->hasMMX = flags & AV_CPU_FLAG_MMX;
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c->hasMMX2 = flags & AV_CPU_FLAG_MMX2;
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c->hasSSE = flags & AV_CPU_FLAG_SSE;
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c->hasSSE2 = (flags & AV_CPU_FLAG_SSE2) && !(flags & AV_CPU_FLAG_SSE2SLOW);
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c->hasSSE3 = (flags & AV_CPU_FLAG_SSE3) && !(flags & AV_CPU_FLAG_SSE3SLOW);
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c->hasSSSE3 = flags & AV_CPU_FLAG_SSSE3;
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#endif
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dump_flag("MMX", c->hasMMX);
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dump_flag("MMX2", c->hasMMX2);
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dump_flag("SSE", c->hasSSE);
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dump_flag("SSE2", c->hasSSE2);
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dump_flag("SSE3", c->hasSSE3);
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dump_flag("SSSE3", c->hasSSSE3);
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}
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