/* * copyright (c) 2003 Fabrice Bellard * * 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 * @ingroup lavu * Libavutil version macros */ #ifndef AVUTIL_VERSION_H #define AVUTIL_VERSION_H #include "macros.h" /** * @addtogroup version_utils * * Useful to check and match library version in order to maintain * backward compatibility. * * The FFmpeg libraries follow a versioning sheme very similar to * Semantic Versioning (http://semver.org/) * The difference is that the component called PATCH is called MICRO in FFmpeg * and its value is reset to 100 instead of 0 to keep it above or equal to 100. * Also we do not increase MICRO for every bugfix or change in git master. * * Prior to FFmpeg 3.2 point releases did not change any lib version number to * avoid aliassing different git master checkouts. * Starting with FFmpeg 3.2, the released library versions will occupy * a separate MAJOR.MINOR that is not used on the master development branch. * That is if we branch a release of master 55.10.123 we will bump to 55.11.100 * for the release and master will continue at 55.12.100 after it. Each new * point release will then bump the MICRO improving the usefulness of the lib * versions. * * @{ */ #define AV_VERSION_INT(a, b, c) … #define AV_VERSION_DOT(a, b, c) … #define AV_VERSION(a, b, c) … /** * Extract version components from the full ::AV_VERSION_INT int as returned * by functions like ::avformat_version() and ::avcodec_version() */ #define AV_VERSION_MAJOR(a) … #define AV_VERSION_MINOR(a) … #define AV_VERSION_MICRO(a) … /** * @} */ /** * @defgroup lavu_ver Version and Build diagnostics * * Macros and function useful to check at compiletime and at runtime * which version of libavutil is in use. * * @{ */ #define LIBAVUTIL_VERSION_MAJOR … #define LIBAVUTIL_VERSION_MINOR … #define LIBAVUTIL_VERSION_MICRO … #define LIBAVUTIL_VERSION_INT … #define LIBAVUTIL_VERSION … #define LIBAVUTIL_BUILD … #define LIBAVUTIL_IDENT … /** * @defgroup lavu_depr_guards Deprecation Guards * FF_API_* defines may be placed below to indicate public API that will be * dropped at a future version bump. The defines themselves are not part of * the public API and may change, break or disappear at any time. * * @note, when bumping the major version it is recommended to manually * disable each FF_API_* in its own commit instead of disabling them all * at once through the bump. This improves the git bisect-ability of the change. * * @{ */ #define FF_API_HDR_VIVID_THREE_SPLINE … #define FF_API_FRAME_PKT … #define FF_API_INTERLACED_FRAME … #define FF_API_FRAME_KEY … #define FF_API_PALETTE_HAS_CHANGED … #define FF_API_VULKAN_CONTIGUOUS_MEMORY … #define FF_API_H274_FILM_GRAIN_VCS … /** * @} * @} */ #endif /* AVUTIL_VERSION_H */
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