diff options
Diffstat (limited to 'libavutil/error.c')
| -rw-r--r-- | libavutil/error.c | 110 |
1 files changed, 82 insertions, 28 deletions
diff --git a/libavutil/error.c b/libavutil/error.c index 6803d2d4cd..44259682eb 100644 --- a/libavutil/error.c +++ b/libavutil/error.c @@ -1,54 +1,86 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#undef _GNU_SOURCE +#define _XOPEN_SOURCE 600 /* XSI-compliant version of strerror_r */ #include "avutil.h" #include "avstring.h" #include "common.h" +struct error_entry { + int num; + const char *tag; + const char *str; +}; + +#define ERROR_TAG(tag) AVERROR_##tag, #tag +#define EERROR_TAG(tag) AVERROR(tag), #tag +#define AVERROR_INPUT_AND_OUTPUT_CHANGED (AVERROR_INPUT_CHANGED | AVERROR_OUTPUT_CHANGED) +static const struct error_entry error_entries[] = { + { ERROR_TAG(BSF_NOT_FOUND), "Bitstream filter not found" }, + { ERROR_TAG(BUG), "Internal bug, should not have happened" }, + { ERROR_TAG(BUG2), "Internal bug, should not have happened" }, + { ERROR_TAG(BUFFER_TOO_SMALL), "Buffer too small" }, + { ERROR_TAG(DECODER_NOT_FOUND), "Decoder not found" }, + { ERROR_TAG(DEMUXER_NOT_FOUND), "Demuxer not found" }, + { ERROR_TAG(ENCODER_NOT_FOUND), "Encoder not found" }, + { ERROR_TAG(EOF), "End of file" }, + { ERROR_TAG(EXIT), "Immediate exit requested" }, + { ERROR_TAG(EXTERNAL), "Generic error in an external library" }, + { ERROR_TAG(FILTER_NOT_FOUND), "Filter not found" }, + { ERROR_TAG(INPUT_CHANGED), "Input changed" }, + { ERROR_TAG(INVALIDDATA), "Invalid data found when processing input" }, + { ERROR_TAG(MUXER_NOT_FOUND), "Muxer not found" }, + { ERROR_TAG(OPTION_NOT_FOUND), "Option not found" }, + { ERROR_TAG(OUTPUT_CHANGED), "Output changed" }, + { ERROR_TAG(PATCHWELCOME), "Not yet implemented in FFmpeg, patches welcome" }, + { ERROR_TAG(PROTOCOL_NOT_FOUND), "Protocol not found" }, + { ERROR_TAG(STREAM_NOT_FOUND), "Stream not found" }, + { ERROR_TAG(UNKNOWN), "Unknown error occurred" }, + { ERROR_TAG(EXPERIMENTAL), "Experimental feature" }, + { ERROR_TAG(INPUT_AND_OUTPUT_CHANGED), "Input and output changed" }, + { ERROR_TAG(HTTP_BAD_REQUEST), "Server returned 400 Bad Request" }, + { ERROR_TAG(HTTP_UNAUTHORIZED), "Server returned 401 Unauthorized (authorization failed)" }, + { ERROR_TAG(HTTP_FORBIDDEN), "Server returned 403 Forbidden (access denied)" }, + { ERROR_TAG(HTTP_NOT_FOUND), "Server returned 404 Not Found" }, + { ERROR_TAG(HTTP_OTHER_4XX), "Server returned 4XX Client Error, but not one of 40{0,1,3,4}" }, + { ERROR_TAG(HTTP_SERVER_ERROR), "Server returned 5XX Server Error reply" }, +#if !HAVE_STRERROR_R + { EERROR_TAG(EINVAL), "Invalid argument" }, +#endif +}; + int av_strerror(int errnum, char *errbuf, size_t errbuf_size) { - int ret = 0; - const char *errstr = NULL; - - switch (errnum) { - case AVERROR_BSF_NOT_FOUND: errstr = "Bitstream filter not found" ; break; - case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found" ; break; - case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found" ; break; - case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found" ; break; - case AVERROR_EOF: errstr = "End of file" ; break; - case AVERROR_EXIT: errstr = "Immediate exit requested" ; break; - case AVERROR_FILTER_NOT_FOUND: errstr = "Filter not found" ; break; - case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input" ; break; - case AVERROR_MUXER_NOT_FOUND: errstr = "Muxer not found" ; break; - case AVERROR_OPTION_NOT_FOUND: errstr = "Option not found" ; break; - case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in Libav, patches welcome"; break; - case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found" ; break; - case AVERROR_STREAM_NOT_FOUND: errstr = "Stream not found" ; break; - case AVERROR_BUG: errstr = "Bug detected, please report the issue" ; break; - case AVERROR_UNKNOWN: errstr = "Unknown error occurred" ; break; - case AVERROR_EXPERIMENTAL: errstr = "Experimental feature" ; break; - } + int ret = 0, i; + const struct error_entry *entry = NULL; - if (errstr) { - av_strlcpy(errbuf, errstr, errbuf_size); + for (i = 0; i < FF_ARRAY_ELEMS(error_entries); i++) { + if (errnum == error_entries[i].num) { + entry = &error_entries[i]; + break; + } + } + if (entry) { + av_strlcpy(errbuf, entry->str, errbuf_size); } else { #if HAVE_STRERROR_R - ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size); + ret = AVERROR(strerror_r(AVUNERROR(errnum), errbuf, errbuf_size)); #else ret = -1; #endif @@ -58,3 +90,25 @@ int av_strerror(int errnum, char *errbuf, size_t errbuf_size) return ret; } + +#ifdef TEST + +#undef printf + +int main(void) +{ + int i; + + for (i = 0; i < FF_ARRAY_ELEMS(error_entries); i++) { + const struct error_entry *entry = &error_entries[i]; + printf("%d: %s [%s]\n", entry->num, av_err2str(entry->num), entry->tag); + } + + for (i = 0; i < 256; i++) { + printf("%d: %s\n", -i, av_err2str(-i)); + } + + return 0; +} + +#endif /* TEST */ |