2 * This file is part of FFmpeg.
4 * FFmpeg 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.
9 * FFmpeg 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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #define _XOPEN_SOURCE 600 /* XSI-compliant version of strerror_r */
31 #define ERROR_TAG(tag) AVERROR_##tag, #tag
32 #define AVERROR_INPUT_AND_OUTPUT_CHANGED (AVERROR_INPUT_CHANGED | AVERROR_OUTPUT_CHANGED)
33 static const struct error_entry error_entries
[] = {
34 { ERROR_TAG(BSF_NOT_FOUND
), "Bitstream filter not found" },
35 { ERROR_TAG(BUG
), "Internal bug, should not have happened" },
36 { ERROR_TAG(BUG2
), "Internal bug, should not have happened" },
37 { ERROR_TAG(BUFFER_TOO_SMALL
), "Buffer too small" },
38 { ERROR_TAG(DECODER_NOT_FOUND
), "Decoder not found" },
39 { ERROR_TAG(DEMUXER_NOT_FOUND
), "Demuxer not found" },
40 { ERROR_TAG(ENCODER_NOT_FOUND
), "Encoder not found" },
41 { ERROR_TAG(EOF
), "End of file" },
42 { ERROR_TAG(EXIT
), "Immediate exit requested" },
43 { ERROR_TAG(EXTERNAL
), "Generic error in an external library" },
44 { ERROR_TAG(FILTER_NOT_FOUND
), "Filter not found" },
45 { ERROR_TAG(INPUT_CHANGED
), "Input changed" },
46 { ERROR_TAG(INVALIDDATA
), "Invalid data found when processing input" },
47 { ERROR_TAG(MUXER_NOT_FOUND
), "Muxer not found" },
48 { ERROR_TAG(OPTION_NOT_FOUND
), "Option not found" },
49 { ERROR_TAG(OUTPUT_CHANGED
), "Output changed" },
50 { ERROR_TAG(PATCHWELCOME
), "Not yet implemented in FFmpeg, patches welcome" },
51 { ERROR_TAG(PROTOCOL_NOT_FOUND
), "Protocol not found" },
52 { ERROR_TAG(STREAM_NOT_FOUND
), "Stream not found" },
53 { ERROR_TAG(UNKNOWN
), "Unknown error occurred" },
54 { ERROR_TAG(EXPERIMENTAL
), "Experimental feature" },
55 { ERROR_TAG(INPUT_AND_OUTPUT_CHANGED
), "Input and output changed" },
56 { ERROR_TAG(HTTP_BAD_REQUEST
), "Server returned 400 Bad Request" },
57 { ERROR_TAG(HTTP_UNAUTHORIZED
), "Server returned 401 Unauthorized (authorization failed)" },
58 { ERROR_TAG(HTTP_FORBIDDEN
), "Server returned 403 Forbidden (access denied)" },
59 { ERROR_TAG(HTTP_NOT_FOUND
), "Server returned 404 Not Found" },
60 { ERROR_TAG(HTTP_OTHER_4XX
), "Server returned 4XX Client Error, but not one of 40{0,1,3,4}" },
61 { ERROR_TAG(HTTP_SERVER_ERROR
), "Server returned 5XX Server Error reply" },
64 int av_strerror(int errnum
, char *errbuf
, size_t errbuf_size
)
67 const struct error_entry
*entry
= NULL
;
69 for (i
= 0; i
< FF_ARRAY_ELEMS(error_entries
); i
++) {
70 if (errnum
== error_entries
[i
].num
) {
71 entry
= &error_entries
[i
];
76 av_strlcpy(errbuf
, entry
->str
, errbuf_size
);
79 ret
= AVERROR(strerror_r(AVUNERROR(errnum
), errbuf
, errbuf_size
));
84 snprintf(errbuf
, errbuf_size
, "Error number %d occurred", errnum
);
98 for (i
= 0; i
< FF_ARRAY_ELEMS(error_entries
); i
++) {
99 const struct error_entry
*entry
= &error_entries
[i
];
100 printf("%d: %s [%s]\n", entry
->num
, av_err2str(entry
->num
), entry
->tag
);
103 for (i
= 0; i
< 256; i
++) {
104 printf("%d: %s\n", -i
, av_err2str(-i
));