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8772156be0
* qatar/master: APIChanges: document git revision for CODEC_CAP_SLICE_THREADS addition. Introduce slice threads flag. FATE: allow forcing thread-type when doing threaded fate runs. Use av_log_ask_for_sample() where appropriate. error: sort, pack, and align error code and string definitions The stabilization period after version bumps should be one month, not one week. applehttp: Expose the stream bitrate via metadata doc: Add some initial docs on the applehttp demuxer Provide a fallback version of the libm function trunc libavdevice: Define _XOPEN_SOURCE for usleep lavc: provide deprecated avcodec_thread_init until next major version lavc: provide the opt.h header until the next bump error: change AVERROR_EOF value error: remove AVERROR_NUMEXPECTED error: add error code AVERROR_OPTION_NOT_FOUND, and use it in opt.c Conflicts: libavcodec/h264.c libavutil/error.c libavutil/error.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
78 lines
3.4 KiB
C
78 lines
3.4 KiB
C
/*
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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
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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 "avutil.h"
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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_IO AVERROR(EIO) ///< I/O error
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#define AVERROR_NOENT AVERROR(ENOENT) ///< No such file or directory
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#define AVERROR_NOFMT AVERROR(EILSEQ) ///< Unknown format
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#define AVERROR_NOMEM AVERROR(ENOMEM) ///< Not enough memory
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#define AVERROR_NOTSUPP AVERROR(ENOSYS) ///< Operation not supported
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#define AVERROR_UNKNOWN AVERROR(EINVAL) ///< Unknown error
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#define AVERROR_BSF_NOT_FOUND (-MKTAG(0xF8,'B','S','F')) ///< Bitstream filter not found
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#define AVERROR_DECODER_NOT_FOUND (-MKTAG(0xF8,'D','E','C')) ///< Decoder not found
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#define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
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#define AVERROR_ENCODER_NOT_FOUND (-MKTAG(0xF8,'E','N','C')) ///< Encoder not found
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#define AVERROR_EOF (-MKTAG( 'E','O','F',' ')) ///< End of file
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#define AVERROR_EXIT (-MKTAG( 'E','X','I','T')) ///< Immediate exit was requested; the called function should not be restarted
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#define AVERROR_FILTER_NOT_FOUND (-MKTAG(0xF8,'F','I','L')) ///< Filter not found
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#define AVERROR_INVALIDDATA (-MKTAG( 'I','N','D','A')) ///< Invalid data found when processing input
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#define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
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#define AVERROR_OPTION_NOT_FOUND (-MKTAG(0xF8,'O','P','T')) ///< Option not found
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#define AVERROR_PATCHWELCOME (-MKTAG( 'P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome
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#define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O')) ///< Protocol not found
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#define AVERROR_STREAM_NOT_FOUND (-MKTAG(0xF8,'S','T','R')) ///< Stream not found
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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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#endif /* AVUTIL_ERROR_H */
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