mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 01:22:30 +00:00
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* MPlayer 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <libavutil/cpu.h>
|
|
#include "compat/libav.h"
|
|
|
|
#include "config.h"
|
|
#include "mpvcore/cpudetect.h"
|
|
#include "mpvcore/mp_msg.h"
|
|
|
|
CpuCaps gCpuCaps;
|
|
|
|
static void dump_flag(const char *name, bool val)
|
|
{
|
|
mp_msg(MSGT_CPUDETECT, MSGL_V, "CPU: %s: %s\n", name,
|
|
val ? "enabled" : "disabled");
|
|
}
|
|
|
|
void GetCpuCaps(CpuCaps *c)
|
|
{
|
|
memset(c, 0, sizeof(*c));
|
|
int flags = av_get_cpu_flags();
|
|
#if ARCH_X86
|
|
c->hasMMX = flags & AV_CPU_FLAG_MMX;
|
|
c->hasMMX2 = flags & AV_CPU_FLAG_MMX2;
|
|
c->hasSSE = flags & AV_CPU_FLAG_SSE;
|
|
c->hasSSE2 = (flags & AV_CPU_FLAG_SSE2) && !(flags & AV_CPU_FLAG_SSE2SLOW);
|
|
c->hasSSE3 = (flags & AV_CPU_FLAG_SSE3) && !(flags & AV_CPU_FLAG_SSE3SLOW);
|
|
c->hasSSSE3 = flags & AV_CPU_FLAG_SSSE3;
|
|
#endif
|
|
dump_flag("MMX", c->hasMMX);
|
|
dump_flag("MMX2", c->hasMMX2);
|
|
dump_flag("SSE", c->hasSSE);
|
|
dump_flag("SSE2", c->hasSSE2);
|
|
dump_flag("SSE3", c->hasSSE3);
|
|
dump_flag("SSSE3", c->hasSSSE3);
|
|
}
|