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76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
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/*
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* copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* simple assert() macros that are a bit more flexible than ISO C assert().
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#ifndef AVUTIL_AVASSERT_H
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#define AVUTIL_AVASSERT_H
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#include <stdlib.h>
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#include "avutil.h"
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#include "log.h"
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/**
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* assert() equivalent, that is always enabled.
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*/
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#define av_assert0(cond) do { \
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if (!(cond)) { \
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av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n", \
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AV_STRINGIFY(cond), __FILE__, __LINE__); \
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abort(); \
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} \
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} while (0)
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/**
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* assert() equivalent, that does not lie in speed critical code.
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* These asserts() thus can be enabled without fearing speed loss.
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*/
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#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
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#define av_assert1(cond) av_assert0(cond)
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#else
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#define av_assert1(cond) ((void)0)
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#endif
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/**
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* assert() equivalent, that does lie in speed critical code.
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*/
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#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
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#define av_assert2(cond) av_assert0(cond)
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#define av_assert2_fpu() av_assert0_fpu()
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#else
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#define av_assert2(cond) ((void)0)
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#define av_assert2_fpu() ((void)0)
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#endif
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/**
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* Assert that floating point operations can be executed.
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*
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* This will av_assert0() that the cpu is not in MMX state on X86
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*/
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void av_assert0_fpu(void);
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#endif /* AVUTIL_AVASSERT_H */
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