h264: on reference overflow, reset the reference count to 0, not 1.
[FFMpeg-mirror/mplayer-patches.git] / libavutil / utils.c
blob9b18c97908d5fb0cb70362c48f9c20dfe273dd51
1 /*
2 * This file is part of Libav.
4 * Libav 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.
9 * Libav 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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "config.h"
20 #include "avutil.h"
22 /**
23 * @file
24 * various utility functions
27 unsigned avutil_version(void)
29 return LIBAVUTIL_VERSION_INT;
32 const char *avutil_configuration(void)
34 return LIBAV_CONFIGURATION;
37 const char *avutil_license(void)
39 #define LICENSE_PREFIX "libavutil license: "
40 return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
43 char av_get_picture_type_char(enum AVPictureType pict_type)
45 switch (pict_type) {
46 case AV_PICTURE_TYPE_I: return 'I';
47 case AV_PICTURE_TYPE_P: return 'P';
48 case AV_PICTURE_TYPE_B: return 'B';
49 case AV_PICTURE_TYPE_S: return 'S';
50 case AV_PICTURE_TYPE_SI: return 'i';
51 case AV_PICTURE_TYPE_SP: return 'p';
52 case AV_PICTURE_TYPE_BI: return 'b';
53 default: return '?';