+++ /dev/null
-/*
- * 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;
-}
-
-/**
- * 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 */
projects / rtmpclient.git / blobdiff