/* * copyright (c) 2006 Michael Niedermayer * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVUTIL_AVUTIL_H #define AVUTIL_AVUTIL_H /** * @file * external API header */ #define AV_STRINGIFY(s) AV_TOSTRING(s) #define AV_TOSTRING(s) #s #define AV_GLUE(a, b) a ## b #define AV_JOIN(a, b) AV_GLUE(a, b) #define AV_PRAGMA(s) _Pragma(#s) #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c) #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c) #define LIBAVUTIL_VERSION_MAJOR 51 #define LIBAVUTIL_VERSION_MINOR 0 #define LIBAVUTIL_VERSION_MICRO 0 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ LIBAVUTIL_VERSION_MINOR, \ LIBAVUTIL_VERSION_MICRO) #define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \ LIBAVUTIL_VERSION_MINOR, \ LIBAVUTIL_VERSION_MICRO) #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION) /** * Those FF_API_* defines are not part of public API. * They may change, break or disappear at any time. */ #ifndef FF_API_OLD_EVAL_NAMES #define FF_API_OLD_EVAL_NAMES (LIBAVUTIL_VERSION_MAJOR < 51) #endif /** * Return the LIBAVUTIL_VERSION_INT constant. */ unsigned avutil_version(void); /** * Return the libavutil build-time configuration. */ const char *avutil_configuration(void); /** * Return the libavutil license. */ const char *avutil_license(void); enum AVMediaType { AVMEDIA_TYPE_UNKNOWN = -1, AVMEDIA_TYPE_VIDEO, AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_DATA, AVMEDIA_TYPE_SUBTITLE, AVMEDIA_TYPE_ATTACHMENT, AVMEDIA_TYPE_NB }; #define FF_LAMBDA_SHIFT 7 #define FF_LAMBDA_SCALE (1<