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48 lines
2.0 KiB
48 lines
2.0 KiB
15 years ago
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/*
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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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#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */
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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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