/*

 * 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

 * error code definitions

 */

#ifndef AVUTIL_ERROR_H

#define AVUTIL_ERROR_H

#include <errno.h>

#include <stddef.h>

/**

 * @addtogroup lavu_error

 *

 * @{

 */

/* 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

#define FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d))

#define AVERROR_BSF_NOT_FOUND      FFERRTAG(0xF8,'B','S','F') ///< Bitstream filter not found

#define AVERROR_BUG                FFERRTAG( 'B','U','G','!') ///< Internal bug, also see AVERROR_BUG2

#define AVERROR_BUFFER_TOO_SMALL   FFERRTAG( 'B','U','F','S') ///< Buffer too small

#define AVERROR_DECODER_NOT_FOUND  FFERRTAG(0xF8,'D','E','C') ///< Decoder not found

#define AVERROR_DEMUXER_NOT_FOUND  FFERRTAG(0xF8,'D','E','M') ///< Demuxer not found

#define AVERROR_ENCODER_NOT_FOUND  FFERRTAG(0xF8,'E','N','C') ///< Encoder not found

#define AVERROR_EOF                FFERRTAG( 'E','O','F',' ') ///< End of file

#define AVERROR_EXIT               FFERRTAG( 'E','X','I','T') ///< Immediate exit was requested; the called function should not be restarted

#define AVERROR_EXTERNAL           FFERRTAG( 'E','X','T',' ') ///< Generic error in an external library

#define AVERROR_FILTER_NOT_FOUND   FFERRTAG(0xF8,'F','I','L') ///< Filter not found

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

#define AVERROR_MUXER_NOT_FOUND    FFERRTAG(0xF8,'M','U','X') ///< Muxer not found

#define AVERROR_OPTION_NOT_FOUND   FFERRTAG(0xF8,'O','P','T') ///< Option not found

#define AVERROR_PATCHWELCOME       FFERRTAG( 'P','A','W','E') ///< Not yet implemented in FFmpeg, patches welcome

#define AVERROR_PROTOCOL_NOT_FOUND FFERRTAG(0xF8,'P','R','O') ///< Protocol not found

#define AVERROR_STREAM_NOT_FOUND   FFERRTAG(0xF8,'S','T','R') ///< Stream not found

/**

 * This is semantically identical to AVERROR_BUG

 * it has been introduced in Libav after our AVERROR_BUG and with a modified value.

 */

#define AVERROR_BUG2               FFERRTAG( 'B','U','G',' ')

#define AVERROR_UNKNOWN            FFERRTAG( 'U','N','K','N') ///< Unknown error, typically from an external library

#define AVERROR_EXPERIMENTAL       (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.

#define AVERROR_INPUT_CHANGED      (-0x636e6701) ///< Input changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_OUTPUT_CHANGED)

#define AVERROR_OUTPUT_CHANGED     (-0x636e6702) ///< Output changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_INPUT_CHANGED)

/* HTTP & RTSP errors */

#define AVERROR_HTTP_BAD_REQUEST   FFERRTAG(0xF8,'4','0','0')

#define AVERROR_HTTP_UNAUTHORIZED  FFERRTAG(0xF8,'4','0','1')

#define AVERROR_HTTP_FORBIDDEN     FFERRTAG(0xF8,'4','0','3')

#define AVERROR_HTTP_NOT_FOUND     FFERRTAG(0xF8,'4','0','4')

#define AVERROR_HTTP_OTHER_4XX     FFERRTAG(0xF8,'4','X','X')

#define AVERROR_HTTP_SERVER_ERROR  FFERRTAG(0xF8,'5','X','X')

#define AV_ERROR_MAX_STRING_SIZE 64

/**

 * Put a description of the AVERROR code errnum in errbuf.

 * In case of failure the global variable errno is set to indicate the

 * error. Even in case of failure av_strerror() will print a generic

 * error message indicating the errnum provided to errbuf.

 *

 * @param errnum      error code to describe

 * @param errbuf      buffer to which description is written

 * @param errbuf_size the size in bytes of errbuf

 * @return 0 on success, a negative value if a description for errnum

 * cannot be found

 */

int av_strerror(int errnum, char *errbuf, size_t errbuf_size);

/**

 * Fill the provided buffer with a string containing an error string

 * corresponding to the AVERROR code errnum.

 *

 * @param errbuf         a buffer

 * @param errbuf_size    size in bytes of errbuf

 * @param errnum         error code to describe

 * @return the buffer in input, filled with the error description

 * @see av_strerror()

 */

static inline char *av_make_error_string(char *errbuf, size_t errbuf_size, int errnum)

{

    av_strerror(errnum, errbuf, errbuf_size);

    return errbuf;

}

Unexecuted instantiation: hevc_cabac.c:av_make_error_string

Unexecuted instantiation: hevc_filter.c:av_make_error_string

Unexecuted instantiation: hevc.c:av_make_error_string

Unexecuted instantiation: hevcpred.c:av_make_error_string

Unexecuted instantiation: hevc_refs.c:av_make_error_string

Unexecuted instantiation: hevcdsp.c:av_make_error_string

Unexecuted instantiation: hevc_mvs.c:av_make_error_string

Unexecuted instantiation: hevc_ps.c:av_make_error_string

Unexecuted instantiation: hevc_sei.c:av_make_error_string

Unexecuted instantiation: utils.c:av_make_error_string

Unexecuted instantiation: cabac.c:av_make_error_string

Unexecuted instantiation: golomb.c:av_make_error_string

Unexecuted instantiation: videodsp.c:av_make_error_string

Unexecuted instantiation: mem.c:av_make_error_string

Unexecuted instantiation: buffer.c:av_make_error_string

Unexecuted instantiation: frame.c:av_make_error_string

Unexecuted instantiation: pixdesc.c:av_make_error_string

Unexecuted instantiation: md5.c:av_make_error_string

Unexecuted instantiation: libbpg.c:av_make_error_string

/**

 * Convenience macro, the return value should be used only directly in

 * function arguments but never stand-alone.

 */

#define av_err2str(errnum) \

    av_make_error_string((char[AV_ERROR_MAX_STRING_SIZE]){0}, AV_ERROR_MAX_STRING_SIZE, errnum)

/**

 * @}

 */

#endif /* AVUTIL_ERROR_H */