From 45c24f05d023a2cd8289ed40a13708392ce2e6a4 Mon Sep 17 00:00:00 2001 From: Moonchild Date: Mon, 1 Oct 2018 15:25:04 +0200 Subject: Revert "Update ffvpx code to 4.0.2" --- media/ffvpx/libavutil/atomic_win32.h | 54 ++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 media/ffvpx/libavutil/atomic_win32.h (limited to 'media/ffvpx/libavutil/atomic_win32.h') diff --git a/media/ffvpx/libavutil/atomic_win32.h b/media/ffvpx/libavutil/atomic_win32.h new file mode 100644 index 000000000..f7299336f --- /dev/null +++ b/media/ffvpx/libavutil/atomic_win32.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2012 Ronald S. Bultje + * + * 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_ATOMIC_WIN32_H +#define AVUTIL_ATOMIC_WIN32_H + +#define WIN32_LEAN_AND_MEAN +#include + +#define avpriv_atomic_int_get atomic_int_get_win32 +static inline int atomic_int_get_win32(volatile int *ptr) +{ + MemoryBarrier(); + return *ptr; +} + +#define avpriv_atomic_int_set atomic_int_set_win32 +static inline void atomic_int_set_win32(volatile int *ptr, int val) +{ + *ptr = val; + MemoryBarrier(); +} + +#define avpriv_atomic_int_add_and_fetch atomic_int_add_and_fetch_win32 +static inline int atomic_int_add_and_fetch_win32(volatile int *ptr, int inc) +{ + return inc + InterlockedExchangeAdd(ptr, inc); +} + +#define avpriv_atomic_ptr_cas atomic_ptr_cas_win32 +static inline void *atomic_ptr_cas_win32(void * volatile *ptr, + void *oldval, void *newval) +{ + return InterlockedCompareExchangePointer(ptr, newval, oldval); +} + +#endif /* AVUTIL_ATOMIC_WIN32_H */ -- cgit v1.2.3