1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libavutil/x86/timer.h	Tue Sep 25 15:55:33 2012 +0200
     1.3 @@ -0,0 +1,35 @@
     1.4 +/*
     1.5 + * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
     1.6 + *
     1.7 + * This file is part of FFmpeg.
     1.8 + *
     1.9 + * FFmpeg is free software; you can redistribute it and/or
    1.10 + * modify it under the terms of the GNU Lesser General Public
    1.11 + * License as published by the Free Software Foundation; either
    1.12 + * version 2.1 of the License, or (at your option) any later version.
    1.13 + *
    1.14 + * FFmpeg is distributed in the hope that it will be useful,
    1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.17 + * Lesser General Public License for more details.
    1.18 + *
    1.19 + * You should have received a copy of the GNU Lesser General Public
    1.20 + * License along with FFmpeg; if not, write to the Free Software
    1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
    1.22 + */
    1.23 +
    1.24 +#ifndef AVUTIL_X86_TIMER_H
    1.25 +#define AVUTIL_X86_TIMER_H
    1.26 +
    1.27 +#include <stdint.h>
    1.28 +
    1.29 +#define AV_READ_TIME read_time
    1.30 +
    1.31 +static inline uint64_t read_time(void)
    1.32 +{
    1.33 +    uint32_t a, d;
    1.34 +    __asm__ volatile("rdtsc" : "=a" (a), "=d" (d));
    1.35 +    return ((uint64_t)d << 32) + a;
    1.36 +}
    1.37 +
    1.38 +#endif /* AVUTIL_X86_TIMER_H */