--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/winutils/include/libavutil/cpu.h	Wed Oct 24 14:55:31 2012 +0100
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_CPU_H
+#define AVUTIL_CPU_H
+
+#include "version.h"
+
+#define AV_CPU_FLAG_FORCE    0x80000000 /* force usage of selected flags (OR) */
+
+    /* lower 16 bits - CPU features */
+#define AV_CPU_FLAG_MMX          0x0001 ///< standard MMX
+#define AV_CPU_FLAG_MMXEXT       0x0002 ///< SSE integer functions or AMD MMX ext
+#if LIBAVUTIL_VERSION_MAJOR < 52
+#define AV_CPU_FLAG_MMX2         0x0002 ///< SSE integer functions or AMD MMX ext
+#endif
+#define AV_CPU_FLAG_3DNOW        0x0004 ///< AMD 3DNOW
+#define AV_CPU_FLAG_SSE          0x0008 ///< SSE functions
+#define AV_CPU_FLAG_SSE2         0x0010 ///< PIV SSE2 functions
+#define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster
+#define AV_CPU_FLAG_3DNOWEXT     0x0020 ///< AMD 3DNowExt
+#define AV_CPU_FLAG_SSE3         0x0040 ///< Prescott SSE3 functions
+#define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster
+#define AV_CPU_FLAG_SSSE3        0x0080 ///< Conroe SSSE3 functions
+#define AV_CPU_FLAG_ATOM     0x10000000 ///< Atom processor, some SSSE3 instructions are slower
+#define AV_CPU_FLAG_SSE4         0x0100 ///< Penryn SSE4.1 functions
+#define AV_CPU_FLAG_SSE42        0x0200 ///< Nehalem SSE4.2 functions
+#define AV_CPU_FLAG_AVX          0x4000 ///< AVX functions: requires OS support even if YMM registers aren't used
+#define AV_CPU_FLAG_XOP          0x0400 ///< Bulldozer XOP functions
+#define AV_CPU_FLAG_FMA4         0x0800 ///< Bulldozer FMA4 functions
+#define AV_CPU_FLAG_CMOV         0x1000 ///< i686 cmov
+
+#define AV_CPU_FLAG_ALTIVEC      0x0001 ///< standard
+
+#define AV_CPU_FLAG_ARMV5TE      (1 << 0)
+#define AV_CPU_FLAG_ARMV6        (1 << 1)
+#define AV_CPU_FLAG_ARMV6T2      (1 << 2)
+#define AV_CPU_FLAG_VFP          (1 << 3)
+#define AV_CPU_FLAG_VFPV3        (1 << 4)
+#define AV_CPU_FLAG_NEON         (1 << 5)
+
+/**
+ * Return the flags which specify extensions supported by the CPU.
+ */
+int av_get_cpu_flags(void);
+
+/**
+ * Set a mask on flags returned by av_get_cpu_flags().
+ * This function is mainly useful for testing.
+ *
+ * @warning this function is not thread safe.
+ */
+void av_set_cpu_flags_mask(int mask);
+
+/**
+ * Parse CPU flags from a string.
+ *
+ * @return a combination of AV_CPU_* flags, negative on error.
+ */
+int av_parse_cpu_flags(const char *s);
+
+/* The following CPU-specific functions shall not be called directly. */
+int ff_get_cpu_flags_arm(void);
+int ff_get_cpu_flags_ppc(void);
+int ff_get_cpu_flags_x86(void);
+
+#endif /* AVUTIL_CPU_H */