ffmpeg/libavutil/version.c

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/*
* Version functions.
*
* 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
*/
#include <stdlib.h>
#include "config.h"
#include "avassert.h"
#include "avutil.h"
#include "common.h"
#include "libm.h"
#include "log.h"
#include "samplefmt.h"
#include "version.h"
#include "libavutil/ffversion.h"
const char av_util_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
const char *av_version_info(void)
{
return FFMPEG_VERSION;
}
unsigned avutil_version(void)
{
av_assert0(AV_SAMPLE_FMT_DBLP == 9);
av_assert0(AVMEDIA_TYPE_ATTACHMENT == 4);
av_assert0(AV_PICTURE_TYPE_BI == 7);
av_assert0(LIBAVUTIL_VERSION_MICRO >= 100);
av_assert0(HAVE_MMX2 == HAVE_MMXEXT);
av_assert0(((size_t)-1) > 0); // C guarantees this but if false on a platform we care about revert at least b284e1ffe343d6697fb950d1ee517bafda8a9844
if (av_sat_dadd32(1, 2) != 5) {
av_log(NULL, AV_LOG_FATAL, "Libavutil has been built with a broken binutils, please upgrade binutils and rebuild\n");
abort();
}
if (llrint(1LL<<60) != 1LL<<60) {
av_log(NULL, AV_LOG_ERROR, "Libavutil has been linked to a broken llrint()\n");
}
return LIBAVUTIL_VERSION_INT;
}
const char *avutil_configuration(void)
{
return FFMPEG_CONFIGURATION;
}
const char *avutil_license(void)
{
#define LICENSE_PREFIX "libavutil license: "
return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
}