aarch64: Add assembly support for -fsanitize=hwaddress tagged globals.
[libav.git] / libavutil / error.h
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60c144f7 1/*
2912e87a 2 * This file is part of Libav.
60c144f7 3 *
2912e87a 4 * Libav is free software; you can redistribute it and/or
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5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
2912e87a 9 * Libav is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
2912e87a 15 * License along with Libav; if not, write to the Free Software
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16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19/**
ba87f080 20 * @file
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21 * error code definitions
22 */
23
24#ifndef AVUTIL_ERROR_H
25#define AVUTIL_ERROR_H
26
e4836e3c 27#include <errno.h>
1d9c2dc8 28#include <stddef.h>
e4836e3c 29
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30/**
31 * @addtogroup lavu_error
32 *
33 * @{
34 */
35
36
60c144f7 37/* error handling */
6d2877f4 38#if EDOM > 0
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39#define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions.
40#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value.
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41#else
42/* Some platforms have E* and errno already negated. */
43#define AVERROR(e) (e)
44#define AVUNERROR(e) (e)
45#endif
0edfa79b 46
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47#define AVERROR_BSF_NOT_FOUND (-0x39acbd08) ///< Bitstream filter not found
48#define AVERROR_DECODER_NOT_FOUND (-0x3cbabb08) ///< Decoder not found
49#define AVERROR_DEMUXER_NOT_FOUND (-0x32babb08) ///< Demuxer not found
50#define AVERROR_ENCODER_NOT_FOUND (-0x3cb1ba08) ///< Encoder not found
51#define AVERROR_EOF (-0x5fb9b0bb) ///< End of file
52#define AVERROR_EXIT (-0x2bb6a7bb) ///< Immediate exit was requested; the called function should not be restarted
53#define AVERROR_FILTER_NOT_FOUND (-0x33b6b908) ///< Filter not found
54#define AVERROR_INVALIDDATA (-0x3ebbb1b7) ///< Invalid data found when processing input
55#define AVERROR_MUXER_NOT_FOUND (-0x27aab208) ///< Muxer not found
56#define AVERROR_OPTION_NOT_FOUND (-0x2bafb008) ///< Option not found
57#define AVERROR_PATCHWELCOME (-0x3aa8beb0) ///< Not yet implemented in Libav, patches welcome
58#define AVERROR_PROTOCOL_NOT_FOUND (-0x30adaf08) ///< Protocol not found
59#define AVERROR_STREAM_NOT_FOUND (-0x2dabac08) ///< Stream not found
60#define AVERROR_BUG (-0x5fb8aabe) ///< Bug detected, please report the issue
61#define AVERROR_UNKNOWN (-0x31b4b1ab) ///< Unknown error, typically from an external library
a893655b 62#define AVERROR_EXPERIMENTAL (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.
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63#define AVERROR_INPUT_CHANGED (-0x636e6701) ///< Input changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_OUTPUT_CHANGED)
64#define AVERROR_OUTPUT_CHANGED (-0x636e6702) ///< Output changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_INPUT_CHANGED)
0bc55f5d 65
87958234 66/**
49bd8e4b 67 * Put a description of the AVERROR code errnum in errbuf.
87958234 68 * In case of failure the global variable errno is set to indicate the
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69 * error. Even in case of failure av_strerror() will print a generic
70 * error message indicating the errnum provided to errbuf.
87958234 71 *
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72 * @param errnum error code to describe
73 * @param errbuf buffer to which description is written
87958234 74 * @param errbuf_size the size in bytes of errbuf
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75 * @return 0 on success, a negative value if a description for errnum
76 * cannot be found
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77 */
78int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
79
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80/**
81 * @}
82 */
83
60c144f7 84#endif /* AVUTIL_ERROR_H */