/*
* Copyright ( c ) 2009 Mans Rullgard < mans @ mansr . com >
*
* This file is part of FFmpeg .
*
* FFmpeg 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 .
*
* FFmpeg 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 FFmpeg ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA
*/
#ifndef AVUTIL_ARM_TIMER_H
#define AVUTIL_ARM_TIMER_H
#include <stdint.h>
#include "config.h"
#if defined (__APPLE__)
#include <mach/mach_time.h>
#define AV_READ_TIME mach_absolute_time
#elif HAVE_INLINE_ASM && defined (__ARM_ARCH_7A__) && !defined (__ANDROID__)
#define AV_READ_TIME read_time
static inline uint64_t read_time(void )
{
unsigned cc;
__asm__ volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r" (cc));
return cc;
}
#endif /* HAVE_INLINE_ASM && __ARM_ARCH_7A__ */
#endif /* AVUTIL_ARM_TIMER_H */
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(vorverarbeitet am 2026-08-25)
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