From 8992cb1d0d07edc33d274f6d7924ecdf6f83d994 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Thu, 5 Sep 2013 17:57:22 +0100 Subject: making act segmenter --- ffmpeg/libavutil/arm/timer.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 ffmpeg/libavutil/arm/timer.h (limited to 'ffmpeg/libavutil/arm/timer.h') diff --git a/ffmpeg/libavutil/arm/timer.h b/ffmpeg/libavutil/arm/timer.h new file mode 100644 index 0000000..5e8bc8e --- /dev/null +++ b/ffmpeg/libavutil/arm/timer.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2009 Mans Rullgard + * + * 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 +#include "config.h" + +#if 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 */ -- cgit v1.2.3