From 0112143fdaae0a6264d9e02355e9dc0ca4f7741c Mon Sep 17 00:00:00 2001 From: wm4 Date: Tue, 17 Dec 2013 02:39:45 +0100 Subject: Split mpvcore/ into common/, misc/, bstr/ --- common/cpudetect.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 common/cpudetect.c (limited to 'common/cpudetect.c') diff --git a/common/cpudetect.c b/common/cpudetect.c new file mode 100644 index 0000000000..ea28cf4dd4 --- /dev/null +++ b/common/cpudetect.c @@ -0,0 +1,56 @@ +/* + * 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 +#include +#include + +#include +#include "compat/libav.h" + +#include "config.h" +#include "common/cpudetect.h" +#include "common/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); +} -- cgit v1.2.3