| 0,0 → 1,99 |
|---|
| /* |
| * This file is part of FFmpeg. |
| * |
| * 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. |
| * |
| * 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 FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #undef _GNU_SOURCE |
| #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 |
| 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(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(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" }, |
| }; |
| |
| int av_strerror(int errnum, char *errbuf, size_t errbuf_size) |
| { |
| int ret = 0, i; |
| const struct error_entry *entry = NULL; |
| |
| 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 = AVERROR(strerror_r(AVUNERROR(errnum), errbuf, errbuf_size)); |
| #else |
| ret = -1; |
| #endif |
| if (ret < 0) |
| snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum); |
| } |
| |
| 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 */ |