/* * 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__) #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 */