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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 Libav, 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
00060 #define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
00061 #define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
00062
00063 #define AVERROR_BSF_NOT_FOUND (-MKTAG(0xF8,'B','S','F')) ///< Bitstream filter not found
00064 #define AVERROR_DECODER_NOT_FOUND (-MKTAG(0xF8,'D','E','C')) ///< Decoder not found
00065 #define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
00066 #define AVERROR_ENCODER_NOT_FOUND (-MKTAG(0xF8,'E','N','C')) ///< Encoder not found
00067 #define AVERROR_EXIT (-MKTAG( 'E','X','I','T')) ///< Immediate exit was requested; the called function should not be restarted
00068 #define AVERROR_FILTER_NOT_FOUND (-MKTAG(0xF8,'F','I','L')) ///< Filter not found
00069 #define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
00070 #define AVERROR_OPTION_NOT_FOUND (-MKTAG(0xF8,'O','P','T')) ///< Option not found
00071 #define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O')) ///< Protocol not found
00072 #define AVERROR_STREAM_NOT_FOUND (-MKTAG(0xF8,'S','T','R')) ///< Stream not found
00073
00086 int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
00087
00088 #endif