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.
89 lines
3.5 KiB
89 lines
3.5 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 <stddef.h> |
|
|
|
/** |
|
* @addtogroup lavu_error |
|
* |
|
* @{ |
|
*/ |
|
|
|
|
|
/* 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 |
|
|
|
#define FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d)) |
|
|
|
#define AVERROR_BSF_NOT_FOUND FFERRTAG(0xF8,'B','S','F') ///< Bitstream filter not found |
|
#define AVERROR_BUG FFERRTAG( 'B','U','G','!') ///< Internal bug, also see AVERROR_BUG2 |
|
#define AVERROR_DECODER_NOT_FOUND FFERRTAG(0xF8,'D','E','C') ///< Decoder not found |
|
#define AVERROR_DEMUXER_NOT_FOUND FFERRTAG(0xF8,'D','E','M') ///< Demuxer not found |
|
#define AVERROR_ENCODER_NOT_FOUND FFERRTAG(0xF8,'E','N','C') ///< Encoder not found |
|
#define AVERROR_EOF FFERRTAG( 'E','O','F',' ') ///< End of file |
|
#define AVERROR_EXIT FFERRTAG( 'E','X','I','T') ///< Immediate exit was requested; the called function should not be restarted |
|
#define AVERROR_FILTER_NOT_FOUND FFERRTAG(0xF8,'F','I','L') ///< Filter not found |
|
#define AVERROR_INVALIDDATA FFERRTAG( 'I','N','D','A') ///< Invalid data found when processing input |
|
#define AVERROR_MUXER_NOT_FOUND FFERRTAG(0xF8,'M','U','X') ///< Muxer not found |
|
#define AVERROR_OPTION_NOT_FOUND FFERRTAG(0xF8,'O','P','T') ///< Option not found |
|
#define AVERROR_PATCHWELCOME FFERRTAG( 'P','A','W','E') ///< Not yet implemented in FFmpeg, patches welcome |
|
#define AVERROR_PROTOCOL_NOT_FOUND FFERRTAG(0xF8,'P','R','O') ///< Protocol not found |
|
#define AVERROR_STREAM_NOT_FOUND FFERRTAG(0xF8,'S','T','R') ///< Stream not found |
|
|
|
/** |
|
* This is semantically identical to AVERROR_BUG |
|
* it has been introduced in Libav after our AVERROR_BUG and with a modified value. |
|
*/ |
|
#define AVERROR_BUG2 FFERRTAG( 'B','U','G',' ') |
|
#define AVERROR_UNKNOWN FFERRTAG( 'U','N','K','N') ///< Unknown error, typically from an external library |
|
|
|
/** |
|
* 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 */
|
|
|