PeerStreamer

/*

 * 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

#include <errno.h>

#include "avutil.h"

/* error handling */

#if EDOM > 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

#if LIBAVUTIL_VERSION_MAJOR < 51

#define AVERROR_INVALIDDATA AVERROR(EINVAL)  /**< Invalid data found when processing input */

#define AVERROR_IO          AVERROR(EIO)     /**< I/O error */

#define AVERROR_NOENT       AVERROR(ENOENT)  /**< No such file or directory. */

#define AVERROR_NOFMT       AVERROR(EILSEQ)  /**< unknown format */

#define AVERROR_NOMEM       AVERROR(ENOMEM)  /**< not enough memory */

#define AVERROR_NUMEXPECTED AVERROR(EDOM)    /**< Number syntax expected in filename. */

#define AVERROR_UNKNOWN     AVERROR(EINVAL)  /**< unknown error */

#endif

#define AVERROR_EOF         AVERROR(EPIPE)   /**< End of file. */

#define AVERROR_NOTSUPP     AVERROR(ENOSYS)  /**< Operation not supported. */

#define AVERROR_PATCHWELCOME    (-MKTAG('P','A','W','E')) /**< Not yet implemented in FFmpeg. Patches welcome. */

#if LIBAVUTIL_VERSION_MAJOR > 50

#define AVERROR_INVALIDDATA     (-MKTAG('I','N','D','A')) /**< Invalid data found when processing input */

#define AVERROR_NUMEXPECTED     (-MKTAG('N','U','E','X')) /**< Number syntax expected in filename. */

#endif

#endif /* AVUTIL_ERROR_H */