mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
7.0 KiB
151 lines
7.0 KiB
/* |
|
* 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 |
|
#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(E2BIG), "Argument list too long" }, |
|
{ EERROR_TAG(EACCES), "Permission denied" }, |
|
{ EERROR_TAG(EAGAIN), "Resource temporarily unavailable" }, |
|
{ EERROR_TAG(EBADF), "Bad file descriptor" }, |
|
{ EERROR_TAG(EBUSY), "Device or resource busy" }, |
|
{ EERROR_TAG(ECHILD), "No child processes" }, |
|
{ EERROR_TAG(EDEADLK), "Resource deadlock avoided" }, |
|
{ EERROR_TAG(EDOM), "Numerical argument out of domain" }, |
|
{ EERROR_TAG(EEXIST), "File exists" }, |
|
{ EERROR_TAG(EFAULT), "Bad address" }, |
|
{ EERROR_TAG(EFBIG), "File too large" }, |
|
{ EERROR_TAG(EILSEQ), "Illegal byte sequence" }, |
|
{ EERROR_TAG(EINTR), "Interrupted system call" }, |
|
{ EERROR_TAG(EINVAL), "Invalid argument" }, |
|
{ EERROR_TAG(EIO), "I/O error" }, |
|
{ EERROR_TAG(EISDIR), "Is a directory" }, |
|
{ EERROR_TAG(EMFILE), "Too many open files" }, |
|
{ EERROR_TAG(EMLINK), "Too many links" }, |
|
{ EERROR_TAG(ENAMETOOLONG), "File name too long" }, |
|
{ EERROR_TAG(ENFILE), "Too many open files in system" }, |
|
{ EERROR_TAG(ENODEV), "No such device" }, |
|
{ EERROR_TAG(ENOENT), "No such file or directory" }, |
|
{ EERROR_TAG(ENOEXEC), "Exec format error" }, |
|
{ EERROR_TAG(ENOLCK), "No locks available" }, |
|
{ EERROR_TAG(ENOMEM), "Cannot allocate memory" }, |
|
{ EERROR_TAG(ENOSPC), "No space left on device" }, |
|
{ EERROR_TAG(ENOSYS), "Function not implemented" }, |
|
{ EERROR_TAG(ENOTDIR), "Not a directory" }, |
|
{ EERROR_TAG(ENOTEMPTY), "Directory not empty" }, |
|
{ EERROR_TAG(ENOTTY), "Inappropriate I/O control operation" }, |
|
{ EERROR_TAG(ENXIO), "No such device or address" }, |
|
{ EERROR_TAG(EPERM), "Operation not permitted" }, |
|
{ EERROR_TAG(EPIPE), "Broken pipe" }, |
|
{ EERROR_TAG(ERANGE), "Result too large" }, |
|
{ EERROR_TAG(EROFS), "Read-only file system" }, |
|
{ EERROR_TAG(ESPIPE), "Illegal seek" }, |
|
{ EERROR_TAG(ESRCH), "No such process" }, |
|
{ EERROR_TAG(EXDEV), "Cross-device link" }, |
|
#endif |
|
}; |
|
|
|
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 */
|
|
|