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51 lines
2.0 KiB
51 lines
2.0 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 libavutil/error.h |
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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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/* error handling */ |
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#if EINVAL > 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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#if LIBAVUTIL_VERSION_MAJOR < 51 |
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#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */ |
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#endif |
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#define AVERROR_IO AVERROR(EIO) /**< I/O error */ |
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#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< Number syntax expected in filename. */ |
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#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */ |
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#define AVERROR_NOMEM AVERROR(ENOMEM) /**< not enough memory */ |
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#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */ |
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#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< Operation not supported. */ |
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#define AVERROR_NOENT AVERROR(ENOENT) /**< No such file or directory. */ |
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#define AVERROR_EOF AVERROR(EPIPE) /**< End of file. */ |
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#define AVERROR_PATCHWELCOME (-MKTAG('P','A','W','E')) /**< Not yet implemented in FFmpeg. Patches welcome. */ |
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#endif /* AVUTIL_ERROR_H */
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