mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-22 15:23:11 +00:00
75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/*
|
|
* 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 */
|