Libav
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00001 /* 00002 * This file is part of FFmpeg. 00003 * 00004 * FFmpeg is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * FFmpeg is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with FFmpeg; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00017 */ 00018 00024 #ifndef AVUTIL_ERROR_H 00025 #define AVUTIL_ERROR_H 00026 00027 #include <errno.h> 00028 #include "avutil.h" 00029 00030 /* error handling */ 00031 #if EDOM > 0 00032 #define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions. 00033 #define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value. 00034 #else 00035 /* Some platforms have E* and errno already negated. */ 00036 #define AVERROR(e) (e) 00037 #define AVUNERROR(e) (e) 00038 #endif 00039 00040 #if LIBAVUTIL_VERSION_MAJOR < 51 00041 #define AVERROR_INVALIDDATA AVERROR(EINVAL) ///< Invalid data found when processing input 00042 #define AVERROR_IO AVERROR(EIO) ///< I/O error 00043 #define AVERROR_NOENT AVERROR(ENOENT) ///< No such file or directory 00044 #define AVERROR_NOFMT AVERROR(EILSEQ) ///< Unknown format 00045 #define AVERROR_NOMEM AVERROR(ENOMEM) ///< Not enough memory 00046 #define AVERROR_NOTSUPP AVERROR(ENOSYS) ///< Operation not supported 00047 #define AVERROR_NUMEXPECTED AVERROR(EDOM) ///< Number syntax expected in filename 00048 #define AVERROR_UNKNOWN AVERROR(EINVAL) ///< Unknown error 00049 #endif 00050 00051 #define AVERROR_EOF AVERROR(EPIPE) ///< End of file 00052 00053 #define AVERROR_PATCHWELCOME (-MKTAG('P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome 00054 00055 #if LIBAVUTIL_VERSION_MAJOR > 50 00056 #define AVERROR_INVALIDDATA (-MKTAG('I','N','D','A')) ///< Invalid data found when processing input 00057 #define AVERROR_NUMEXPECTED (-MKTAG('N','U','E','X')) ///< Number syntax expected in filename 00058 #endif 00059 00070 int av_strerror(int errnum, char *errbuf, size_t errbuf_size); 00071 00072 #endif /* AVUTIL_ERROR_H */