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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-07 11:13:41 +02:00
FFmpeg/libavutil/error.h
Michael Niedermayer 305e4b35ea Merge remote-tracking branch 'qatar/master'
* qatar/master: (34 commits)
  mlp_parser: fix the channel mask value used for the top surround channel
  vorbisenc: check all allocations for failure
  roqaudioenc: return AVERROR codes instead of -1
  roqaudioenc: set correct bit rate
  roqaudioenc: use AVCodecContext.frame_size correctly.
  roqaudioenc: remove unneeded sample_fmt check
  ra144enc: use int16_t* for input samples rather than void*
  ra144enc: set AVCodecContext.coded_frame
  ra144enc: remove unneeded sample_fmt check
  nellymoserenc: set AVCodecContext.coded_frame
  nellymoserenc: improve error checking in encode_init()
  nellymoserenc: return AVERROR codes instead of -1
  libvorbis: improve error checking in oggvorbis_encode_init()
  mpegaudioenc: return AVERROR codes instead of -1
  libfaac: improve error checking and handling in Faac_encode_init()
  avutil: add AVERROR_UNKNOWN
  check for coded_frame allocation failure in several audio encoders
  audio encoders: do not set coded_frame->key_frame.
  g722enc: check for trellis data allocation error
  libspeexenc: export encoder delay through AVCodecContext.delay
  ...

Conflicts:
	doc/APIchanges
	libavcodec/avcodec.h
	libavcodec/fraps.c
	libavcodec/kgv1dec.c
	libavcodec/libfaac.c
	libavcodec/libgsm.c
	libavcodec/libvorbis.c
	libavcodec/mlp_parser.c
	libavcodec/roqaudioenc.c
	libavcodec/vorbisenc.c
	libavutil/avutil.h
	libavutil/error.c
	libavutil/error.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-02-26 05:11:21 +01:00

88 lines
3.5 KiB
C

/*
* 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 "avutil.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 AVERROR_BSF_NOT_FOUND (-MKTAG(0xF8,'B','S','F')) ///< Bitstream filter not found
#define AVERROR_BUG (-MKTAG( 'B','U','G','!')) ///< Internal bug, also see AVERROR_BUG2
#define AVERROR_DECODER_NOT_FOUND (-MKTAG(0xF8,'D','E','C')) ///< Decoder not found
#define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
#define AVERROR_ENCODER_NOT_FOUND (-MKTAG(0xF8,'E','N','C')) ///< Encoder not found
#define AVERROR_EOF (-MKTAG( 'E','O','F',' ')) ///< End of file
#define AVERROR_EXIT (-MKTAG( 'E','X','I','T')) ///< Immediate exit was requested; the called function should not be restarted
#define AVERROR_FILTER_NOT_FOUND (-MKTAG(0xF8,'F','I','L')) ///< Filter not found
#define AVERROR_INVALIDDATA (-MKTAG( 'I','N','D','A')) ///< Invalid data found when processing input
#define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
#define AVERROR_OPTION_NOT_FOUND (-MKTAG(0xF8,'O','P','T')) ///< Option not found
#define AVERROR_PATCHWELCOME (-MKTAG( 'P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome
#define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O')) ///< Protocol not found
#define AVERROR_STREAM_NOT_FOUND (-MKTAG(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 (-MKTAG( 'B','U','G',' '))
#define AVERROR_UNKNOWN (-MKTAG( 'U','N','K','N')) ///< Unknown error, typically from an external library
/**
* 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);
/**
* @}
*/
#endif /* AVUTIL_ERROR_H */