1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 /** 20 * @file 21 * @ingroup lavu 22 * Utility Preprocessor macros 23 */ 24 25 #ifndef AVUTIL_MACROS_H 26 #define AVUTIL_MACROS_H 27 28 /** 29 * @addtogroup preproc_misc Preprocessor String Macros 30 * 31 * String manipulation macros 32 * 33 * @{ 34 */ 35 36 #define AV_STRINGIFY(s) AV_TOSTRING(s) 37 #define AV_TOSTRING(s) #s 38 39 #define AV_GLUE(a, b) a ## b 40 #define AV_JOIN(a, b) AV_GLUE(a, b) 41 42 /** 43 * @} 44 */ 45 46 #define AV_PRAGMA(s) _Pragma(#s) 47 48 #define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1)) 49 50 #endif /* AVUTIL_MACROS_H */ 51