ffmpeg/libavutil/utils.c

68 lines
1.7 KiB
C

/*
* 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
*/
#include "config.h"
#include "avutil.h"
#include "avversion.h"
/**
* @file
* various utility functions
*/
const char *av_version_info(void)
{
return LIBAV_VERSION;
}
unsigned avutil_version(void)
{
return LIBAVUTIL_VERSION_INT;
}
const char *avutil_configuration(void)
{
return LIBAV_CONFIGURATION;
}
const char *avutil_license(void)
{
#define LICENSE_PREFIX "libavutil license: "
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
char av_get_picture_type_char(enum AVPictureType pict_type)
{
switch (pict_type) {
case AV_PICTURE_TYPE_I: return 'I';
case AV_PICTURE_TYPE_P: return 'P';
case AV_PICTURE_TYPE_B: return 'B';
case AV_PICTURE_TYPE_S: return 'S';
case AV_PICTURE_TYPE_SI: return 'i';
case AV_PICTURE_TYPE_SP: return 'p';
case AV_PICTURE_TYPE_BI: return 'b';
default: return '?';
}
}
AVRational av_get_time_base_q(void)
{
return (AVRational){1, AV_TIME_BASE};
}