error.h
Go to the documentation of this file.
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 
24 #ifndef AVUTIL_ERROR_H
25 #define AVUTIL_ERROR_H
26 
27 #include <errno.h>
28 #include "avutil.h"
29 
37 /* error handling */
38 #if EDOM > 0
39 #define AVERROR(e) (-(e))
40 #define AVUNERROR(e) (-(e))
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 (-MKTAG(0xF8,'B','S','F'))
48 #define AVERROR_DECODER_NOT_FOUND (-MKTAG(0xF8,'D','E','C'))
49 #define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8,'D','E','M'))
50 #define AVERROR_ENCODER_NOT_FOUND (-MKTAG(0xF8,'E','N','C'))
51 #define AVERROR_EOF (-MKTAG( 'E','O','F',' '))
52 #define AVERROR_EXIT (-MKTAG( 'E','X','I','T'))
53 #define AVERROR_FILTER_NOT_FOUND (-MKTAG(0xF8,'F','I','L'))
54 #define AVERROR_INVALIDDATA (-MKTAG( 'I','N','D','A'))
55 #define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8,'M','U','X'))
56 #define AVERROR_OPTION_NOT_FOUND (-MKTAG(0xF8,'O','P','T'))
57 #define AVERROR_PATCHWELCOME (-MKTAG( 'P','A','W','E'))
58 #define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O'))
59 #define AVERROR_STREAM_NOT_FOUND (-MKTAG(0xF8,'S','T','R'))
60 #define AVERROR_BUG (-MKTAG( 'B','U','G',' '))
61 #define AVERROR_UNKNOWN (-MKTAG( 'U','N','K','N'))
62 
63 
75 int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
76 
81 #endif /* AVUTIL_ERROR_H */