| /* | 
 |  * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at> | 
 |  * | 
 |  * 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 | 
 |  */ | 
 |  | 
 | /** | 
 |  * @file | 
 |  * simple assert() macros that are a bit more flexible than ISO C assert(). | 
 |  * @author Michael Niedermayer <michaelni@gmx.at> | 
 |  */ | 
 |  | 
 | #ifndef AVUTIL_AVASSERT_H | 
 | #define AVUTIL_AVASSERT_H | 
 |  | 
 | #include <stdlib.h> | 
 | #include "avutil.h" | 
 | #include "log.h" | 
 |  | 
 | /** | 
 |  * assert() equivalent, that is always enabled. | 
 |  */ | 
 | #define av_assert0(cond) do {                                           \ | 
 |     if (!(cond)) {                                                      \ | 
 |         av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n",    \ | 
 |                AV_STRINGIFY(cond), __FILE__, __LINE__);                 \ | 
 |         abort();                                                        \ | 
 |     }                                                                   \ | 
 | } while (0) | 
 |  | 
 |  | 
 | /** | 
 |  * assert() equivalent, that does not lie in speed critical code. | 
 |  * These asserts() thus can be enabled without fearing speed loss. | 
 |  */ | 
 | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0 | 
 | #define av_assert1(cond) av_assert0(cond) | 
 | #else | 
 | #define av_assert1(cond) ((void)0) | 
 | #endif | 
 |  | 
 |  | 
 | /** | 
 |  * assert() equivalent, that does lie in speed critical code. | 
 |  */ | 
 | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1 | 
 | #define av_assert2(cond) av_assert0(cond) | 
 | #define av_assert2_fpu() av_assert0_fpu() | 
 | #else | 
 | #define av_assert2(cond) ((void)0) | 
 | #define av_assert2_fpu() ((void)0) | 
 | #endif | 
 |  | 
 | /** | 
 |  * Assert that floating point opperations can be executed. | 
 |  * | 
 |  * This will av_assert0() that the cpu is not in MMX state on X86 | 
 |  */ | 
 | void av_assert0_fpu(void); | 
 |  | 
 | #endif /* AVUTIL_AVASSERT_H */ |