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-rw-r--r--common/cpudetect.c56
1 files changed, 56 insertions, 0 deletions
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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <libavutil/cpu.h>
+#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);
+}