2 * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * simple assert() macros that are a bit more flexible than ISO C assert().
24 * @author Michael Niedermayer <michaelni@gmx.at>
27 #ifndef AVUTIL_AVASSERT_H
28 #define AVUTIL_AVASSERT_H
31 #ifdef HAVE_AV_CONFIG_H
38 * assert() equivalent, that is always enabled.
40 #define av_assert0(cond) do { \
42 av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n", \
43 AV_STRINGIFY(cond), __FILE__, __LINE__); \
50 * assert() equivalent, that does not lie in speed critical code.
51 * These asserts() thus can be enabled without fearing speed loss.
53 #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
54 #define av_assert1(cond) av_assert0(cond)
56 #define av_assert1(cond) ((void)0)
61 * assert() equivalent, that does lie in speed critical code.
63 #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
64 #define av_assert2(cond) av_assert0(cond)
65 #define av_assert2_fpu() av_assert0_fpu()
67 #define av_assert2(cond) ((void)0)
68 #define av_assert2_fpu() ((void)0)
72 * Assert that floating point operations can be executed.
74 * This will av_assert0() that the cpu is not in MMX state on X86
76 void av_assert0_fpu(void);
78 #endif /* AVUTIL_AVASSERT_H */