aarch64: Add assembly support for -fsanitize=hwaddress tagged globals.
[libav.git] / libavutil / error.h
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
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 *
9 * Libav is distributed in the hope that it will be useful,
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
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 /**
20 * @file
21 * error code definitions
22 */
23
24 #ifndef AVUTIL_ERROR_H
25 #define AVUTIL_ERROR_H
26
27 #include <errno.h>
28 #include <stddef.h>
29
30 /**
31 * @addtogroup lavu_error
32 *
33 * @{
34 */
35
36
37 /* error handling */
38 #if EDOM > 0
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.
41 #else
42 /* Some platforms have E* and errno already negated. */
43 #define AVERROR(e) (e)
44 #define AVUNERROR(e) (e)
45 #endif
46
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
62 #define AVERROR_EXPERIMENTAL (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.
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)
65
66 /**
67 * Put a description of the AVERROR code errnum in errbuf.
68 * In case of failure the global variable errno is set to indicate the
69 * error. Even in case of failure av_strerror() will print a generic
70 * error message indicating the errnum provided to errbuf.
71 *
72 * @param errnum error code to describe
73 * @param errbuf buffer to which description is written
74 * @param errbuf_size the size in bytes of errbuf
75 * @return 0 on success, a negative value if a description for errnum
76 * cannot be found
77 */
78 int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
79
80 /**
81 * @}
82 */
83
84 #endif /* AVUTIL_ERROR_H */