From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- media/ffvpx/libavutil/aarch64/timer.h | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 media/ffvpx/libavutil/aarch64/timer.h (limited to 'media/ffvpx/libavutil/aarch64/timer.h') diff --git a/media/ffvpx/libavutil/aarch64/timer.h b/media/ffvpx/libavutil/aarch64/timer.h new file mode 100644 index 0000000000..8b28fd354c --- /dev/null +++ b/media/ffvpx/libavutil/aarch64/timer.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2015 Janne Grunau + * + * 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_AARCH64_TIMER_H +#define AVUTIL_AARCH64_TIMER_H + +#include +#include "config.h" + +#if defined(__APPLE__) + +#include + +#define AV_READ_TIME mach_absolute_time + +#elif HAVE_INLINE_ASM + +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + uint64_t cycle_counter; + __asm__ volatile( + "isb \t\n" + "mrs %0, pmccntr_el0 " + : "=r"(cycle_counter) :: "memory" ); + + return cycle_counter; +} + +#endif /* HAVE_INLINE_ASM */ + +#endif /* AVUTIL_AARCH64_TIMER_H */ -- cgit v1.2.3