gstreamer/gst/gstcpu.c
Erik Walthinsen ca1c48e95c Updated copyright in all the libgst files.
Original commit message from CVS:
Updated copyright in all the libgst files.
Created gst_private.h, set up all files to use it.
2000-12-28 22:12:02 +00:00

69 lines
1.6 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstcpu.c: CPU detection and architecture-specific routines
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <glib.h>
#include "gst_private.h"
#include "gstcpu.h"
static guint32 _gst_cpu_flags;
#ifdef HAVE_CPU_I386
void gst_cpuid_i386(int,long *,long *,long *,long *);
#define gst_cpuid gst_cpuid_i386
#else
#define gst_cpuid(o,a,b,c,d) (void)(a);(void)(b);(void)(c);
#endif
void
_gst_cpu_initialize (void)
{
long eax=0, ebx=0, ecx=0, edx=0;
gst_cpuid(1, &eax, &ebx, &ecx, &edx);
g_print("CPU features : ");
if (edx & (1<<23)) {
_gst_cpu_flags |= GST_CPU_FLAG_MMX;
g_print("MMX ");
}
if (edx & (1<<25)) {
_gst_cpu_flags |= GST_CPU_FLAG_SSE;
g_print("SSE ");
}
if (!_gst_cpu_flags) {
g_print("NONE");
}
g_print("\n");
}
GstCPUFlags
gst_cpu_get_flags (void)
{
return _gst_cpu_flags;
}