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00024 #ifndef AVUTIL_ERROR_H
00025 #define AVUTIL_ERROR_H
00026
00027 #include <errno.h>
00028 #include "avutil.h"
00029
00030
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
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