From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- media/ffvpx/libavutil/x86/timer.h | 50 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 media/ffvpx/libavutil/x86/timer.h (limited to 'media/ffvpx/libavutil/x86/timer.h') diff --git a/media/ffvpx/libavutil/x86/timer.h b/media/ffvpx/libavutil/x86/timer.h new file mode 100644 index 0000000000..4d1e88def0 --- /dev/null +++ b/media/ffvpx/libavutil/x86/timer.h @@ -0,0 +1,50 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * 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_X86_TIMER_H +#define AVUTIL_X86_TIMER_H + +#include + +#if HAVE_INLINE_ASM + +#define FF_TIMER_UNITS "decicycles" +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + uint32_t a, d; + __asm__ volatile( +#if ARCH_X86_64 || defined(__SSE2__) + "lfence \n\t" +#endif + "rdtsc \n\t" + : "=a" (a), "=d" (d)); + return ((uint64_t)d << 32) + a; +} + +#elif HAVE_RDTSC + +#include +#define AV_READ_TIME __rdtsc + +#endif /* HAVE_INLINE_ASM */ + +#endif /* AVUTIL_X86_TIMER_H */ -- cgit v1.2.3