PR/Applications/VSs/VSs__H264__App: libavutil/x86/timer.h annotate

update to match api changes + add sscc produced source

author	Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date	Wed, 05 Jun 2013 14:43:26 +0200
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rev	line source
nengel@2	1 /*
nengel@2	2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
nengel@2	3 *
nengel@2	4 * This file is part of FFmpeg.
nengel@2	5 *
nengel@2	6 * FFmpeg is free software; you can redistribute it and/or
nengel@2	7 * modify it under the terms of the GNU Lesser General Public
nengel@2	8 * License as published by the Free Software Foundation; either
nengel@2	9 * version 2.1 of the License, or (at your option) any later version.
nengel@2	10 *
nengel@2	11 * FFmpeg is distributed in the hope that it will be useful,
nengel@2	12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
nengel@2	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
nengel@2	14 * Lesser General Public License for more details.
nengel@2	15 *
nengel@2	16 * You should have received a copy of the GNU Lesser General Public
nengel@2	17 * License along with FFmpeg; if not, write to the Free Software
nengel@2	18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
nengel@2	19 */
nengel@2	20
nengel@2	21 #ifndef AVUTIL_X86_TIMER_H
nengel@2	22 #define AVUTIL_X86_TIMER_H
nengel@2	23
nengel@2	24 #include <stdint.h>
nengel@2	25
nengel@2	26 #define AV_READ_TIME read_time
nengel@2	27
nengel@2	28 static inline uint64_t read_time(void)
nengel@2	29 {
nengel@2	30 uint32_t a, d;
nengel@2	31 __asm__ volatile("rdtsc" : "=a" (a), "=d" (d));
nengel@2	32 return ((uint64_t)d << 32) + a;
nengel@2	33 }
nengel@2	34
nengel@2	35 #endif /* AVUTIL_X86_TIMER_H */

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