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84 lines
3.6 KiB
84 lines
3.6 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* error code definitions |
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*/ |
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#ifndef AVUTIL_ERROR_H |
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#define AVUTIL_ERROR_H |
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#include <errno.h> |
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#include <stddef.h> |
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/** |
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* @addtogroup lavu_error |
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* |
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* @{ |
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*/ |
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/* error handling */ |
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#if EDOM > 0 |
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#define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions. |
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#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value. |
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#else |
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/* Some platforms have E* and errno already negated. */ |
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#define AVERROR(e) (e) |
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#define AVUNERROR(e) (e) |
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#endif |
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#define AVERROR_BSF_NOT_FOUND (-0x39acbd08) ///< Bitstream filter not found |
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#define AVERROR_DECODER_NOT_FOUND (-0x3cbabb08) ///< Decoder not found |
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#define AVERROR_DEMUXER_NOT_FOUND (-0x32babb08) ///< Demuxer not found |
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#define AVERROR_ENCODER_NOT_FOUND (-0x3cb1ba08) ///< Encoder not found |
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#define AVERROR_EOF (-0x5fb9b0bb) ///< End of file |
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#define AVERROR_EXIT (-0x2bb6a7bb) ///< Immediate exit was requested; the called function should not be restarted |
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#define AVERROR_FILTER_NOT_FOUND (-0x33b6b908) ///< Filter not found |
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#define AVERROR_INVALIDDATA (-0x3ebbb1b7) ///< Invalid data found when processing input |
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#define AVERROR_MUXER_NOT_FOUND (-0x27aab208) ///< Muxer not found |
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#define AVERROR_OPTION_NOT_FOUND (-0x2bafb008) ///< Option not found |
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#define AVERROR_PATCHWELCOME (-0x3aa8beb0) ///< Not yet implemented in Libav, patches welcome |
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#define AVERROR_PROTOCOL_NOT_FOUND (-0x30adaf08) ///< Protocol not found |
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#define AVERROR_STREAM_NOT_FOUND (-0x2dabac08) ///< Stream not found |
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#define AVERROR_BUG (-0x5fb8aabe) ///< Bug detected, please report the issue |
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#define AVERROR_UNKNOWN (-0x31b4b1ab) ///< Unknown error, typically from an external library |
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#define AVERROR_EXPERIMENTAL (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it. |
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#define AVERROR_INPUT_CHANGED (-0x636e6701) ///< Input changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_OUTPUT_CHANGED) |
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#define AVERROR_OUTPUT_CHANGED (-0x636e6702) ///< Output changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_INPUT_CHANGED) |
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/** |
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* Put a description of the AVERROR code errnum in errbuf. |
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* In case of failure the global variable errno is set to indicate the |
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* error. Even in case of failure av_strerror() will print a generic |
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* error message indicating the errnum provided to errbuf. |
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* |
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* @param errnum error code to describe |
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* @param errbuf buffer to which description is written |
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* @param errbuf_size the size in bytes of errbuf |
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* @return 0 on success, a negative value if a description for errnum |
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* cannot be found |
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*/ |
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int av_strerror(int errnum, char *errbuf, size_t errbuf_size); |
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/** |
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* @} |
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*/ |
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#endif /* AVUTIL_ERROR_H */
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