mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.9 KiB
74 lines
2.9 KiB
/* |
|
* 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 |
|
* error code definitions |
|
*/ |
|
|
|
#ifndef AVUTIL_ERROR_H |
|
#define AVUTIL_ERROR_H |
|
|
|
#include <errno.h> |
|
#include "avutil.h" |
|
|
|
/* error handling */ |
|
#if EDOM > 0 |
|
#define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions. |
|
#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value. |
|
#else |
|
/* Some platforms have E* and errno already negated. */ |
|
#define AVERROR(e) (e) |
|
#define AVUNERROR(e) (e) |
|
#endif |
|
|
|
#if LIBAVUTIL_VERSION_MAJOR < 51 |
|
#define AVERROR_INVALIDDATA AVERROR(EINVAL) ///< Invalid data found when processing input |
|
#define AVERROR_IO AVERROR(EIO) ///< I/O error |
|
#define AVERROR_NOENT AVERROR(ENOENT) ///< No such file or directory |
|
#define AVERROR_NOFMT AVERROR(EILSEQ) ///< Unknown format |
|
#define AVERROR_NOMEM AVERROR(ENOMEM) ///< Not enough memory |
|
#define AVERROR_NOTSUPP AVERROR(ENOSYS) ///< Operation not supported |
|
#define AVERROR_NUMEXPECTED AVERROR(EDOM) ///< Number syntax expected in filename |
|
#define AVERROR_UNKNOWN AVERROR(EINVAL) ///< Unknown error |
|
#endif |
|
|
|
#define AVERROR_EOF AVERROR(EPIPE) ///< End of file |
|
|
|
#define AVERROR_PATCHWELCOME (-MKTAG('P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome |
|
|
|
#if LIBAVUTIL_VERSION_MAJOR > 50 |
|
#define AVERROR_INVALIDDATA (-MKTAG('I','N','D','A')) ///< Invalid data found when processing input |
|
#define AVERROR_NUMEXPECTED (-MKTAG('N','U','E','X')) ///< Number syntax expected in filename |
|
#endif |
|
|
|
/** |
|
* Put a description of the AVERROR code errnum in errbuf. |
|
* In case of failure the global variable errno is set to indicate the |
|
* error. Even in case of failure av_strerror() will print a generic |
|
* error message indicating the errnum provided to errbuf. |
|
* |
|
* @param errnum error code to describe |
|
* @param errbuf buffer to which description is written |
|
* @param errbuf_size the size in bytes of errbuf |
|
* @return 0 on success, a negative value if a description for errnum |
|
* cannot be found |
|
*/ |
|
int av_strerror(int errnum, char *errbuf, size_t errbuf_size); |
|
|
|
#endif /* AVUTIL_ERROR_H */
|
|
|