From 60c144f700e2e362047b00704abcb694d49e549c Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Sat, 13 Mar 2010 09:43:24 +0000 Subject: Move error code definitions from libavcodec/avcodec.h to libavutil/error.h. Error code definitions and handling code belong to libavutil, where they can be shared by all the libav* libraries. See the thread: Subject: [FFmpeg-devel] [PATCH] Move error codes definitions from lavc to lavu Date: Sun, 19 Jul 2009 12:09:16 +0200 Originally committed as revision 22501 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/error.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 libavutil/error.h (limited to 'libavutil/error.h') diff --git a/libavutil/error.h b/libavutil/error.h new file mode 100644 index 0000000000..f37655b1fe --- /dev/null +++ b/libavutil/error.h @@ -0,0 +1,47 @@ +/* + * 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 + */ + +/** + * @file libavutil/error.h + * error code definitions + */ + +#ifndef AVUTIL_ERROR_H +#define AVUTIL_ERROR_H + +/* error handling */ +#if EINVAL > 0 +#define AVERROR(e) (-(e)) /**< Returns a negative error code from a POSIX error code, to return from library functions. */ +#define AVUNERROR(e) (-(e)) /**< Returns a POSIX error code from a library function error return value. */ +#else +/* Some platforms have E* and errno already negated. */ +#define AVERROR(e) (e) +#define AVUNERROR(e) (e) +#endif +#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */ +#define AVERROR_IO AVERROR(EIO) /**< I/O error */ +#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< Number syntax expected in filename. */ +#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */ +#define AVERROR_NOMEM AVERROR(ENOMEM) /**< not enough memory */ +#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */ +#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< Operation not supported. */ +#define AVERROR_NOENT AVERROR(ENOENT) /**< No such file or directory. */ +#define AVERROR_EOF AVERROR(EPIPE) /**< End of file. */ +#define AVERROR_PATCHWELCOME -MKTAG('P','A','W','E') /**< Not yet implemented in FFmpeg. Patches welcome. */ + +#endif /* AVUTIL_ERROR_H */ -- cgit v1.2.3