568e9062bd
* qatar/release/0.8: (154 commits) Update Changelog for the 0.8.1 Release dca: include libavutil/mathematics.h for possibly missing M_SQRT1_2 dca: don't use av_clip_uintp2(). snow: check reference frame indices. snow: reject unsupported chroma shifts. xa_adpcm: limit filter to prevent xa_adpcm_table[] array bounds overruns. h264: increase reference poc list from 16 to 32. h264: stricter reference limit enforcement. h264: improve parsing of broken AVC SPS Replace computations of remaining bits with calls to get_bits_left(). png: convert to bytestream2 API. roqvideo: convert to bytestream2 API. smc: port to bytestream2 API. tgq: convert to bytestream2 API. algmm: convert to bytestream2 API. jvdec: unbreak video decoding h264: Fix invalid interlaced/progressive MB combinations for direct mode prediction. libx264: add 'stats' private option for setting 2pass stats filename. libx264: fix help text for slice-max-size option. avconv: reindent ... Conflicts: Changelog RELEASE avconv.c doc/APIchanges ffplay.c libavcodec/Makefile libavcodec/aacdec.c libavcodec/alsdec.c libavcodec/atrac3.c libavcodec/avcodec.h libavcodec/dvdata.c libavcodec/fraps.c libavcodec/golomb.h libavcodec/h264.c libavcodec/h264.h libavcodec/h264_cabac.c libavcodec/h264_cavlc.c libavcodec/h264_direct.c libavcodec/h264_parser.c libavcodec/h264_ps.c libavcodec/h264idct_template.c libavcodec/indeo3.c libavcodec/kgv1dec.c libavcodec/kmvc.c libavcodec/mjpegbdec.c libavcodec/mmvideo.c libavcodec/mpegaudiodec.c libavcodec/mpegvideo.h libavcodec/options.c libavcodec/pngdec.c libavcodec/roqvideodec.c libavcodec/shorten.c libavcodec/svq3.c libavcodec/utils.c libavcodec/version.h libavcodec/wmadec.c libavcodec/xxan.c libavformat/Makefile libavformat/asfdec.c libavformat/dv.c libavformat/mov.c libavformat/nsvdec.c libavformat/utils.c libavformat/version.h libavutil/avutil.h libavutil/error.c libavutil/error.h libswscale/swscale.c libswscale/utils.c libswscale/x86/swscale_template.c tests/ref/acodec/g722 Merged-by: Michael Niedermayer <michaelni@gmx.at>
88 lines
3.5 KiB
C
88 lines
3.5 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* error code definitions
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*/
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#ifndef AVUTIL_ERROR_H
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#define AVUTIL_ERROR_H
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#include <errno.h>
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#include "avutil.h"
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/**
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* @addtogroup lavu_error
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*
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* @{
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*/
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/* error handling */
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#if EDOM > 0
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#define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions.
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#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value.
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#else
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/* Some platforms have E* and errno already negated. */
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#define AVERROR(e) (e)
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#define AVUNERROR(e) (e)
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#endif
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#define AVERROR_BSF_NOT_FOUND (-MKTAG(0xF8,'B','S','F')) ///< Bitstream filter not found
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#define AVERROR_BUG (-MKTAG( 'B','U','G','!')) ///< Internal bug, also see AVERROR_BUG2
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#define AVERROR_DECODER_NOT_FOUND (-MKTAG(0xF8,'D','E','C')) ///< Decoder not found
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#define AVERROR_DEMUXER_NOT_FOUND (-MKTAG(0xF8,'D','E','M')) ///< Demuxer not found
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#define AVERROR_ENCODER_NOT_FOUND (-MKTAG(0xF8,'E','N','C')) ///< Encoder not found
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#define AVERROR_EOF (-MKTAG( 'E','O','F',' ')) ///< End of file
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#define AVERROR_EXIT (-MKTAG( 'E','X','I','T')) ///< Immediate exit was requested; the called function should not be restarted
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#define AVERROR_FILTER_NOT_FOUND (-MKTAG(0xF8,'F','I','L')) ///< Filter not found
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#define AVERROR_INVALIDDATA (-MKTAG( 'I','N','D','A')) ///< Invalid data found when processing input
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#define AVERROR_MUXER_NOT_FOUND (-MKTAG(0xF8,'M','U','X')) ///< Muxer not found
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#define AVERROR_OPTION_NOT_FOUND (-MKTAG(0xF8,'O','P','T')) ///< Option not found
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#define AVERROR_PATCHWELCOME (-MKTAG( 'P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome
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#define AVERROR_PROTOCOL_NOT_FOUND (-MKTAG(0xF8,'P','R','O')) ///< Protocol not found
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#define AVERROR_STREAM_NOT_FOUND (-MKTAG(0xF8,'S','T','R')) ///< Stream not found
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/**
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* This is semantically identical to AVERROR_BUG
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* it has been introduced in Libav after our AVERROR_BUG and with a modified value.
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*/
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#define AVERROR_BUG2 (-MKTAG( 'B','U','G',' '))
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#define AVERROR_UNKNOWN (-MKTAG( 'U','N','K','N')) ///< Unknown error, typically from an external library
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/**
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* Put a description of the AVERROR code errnum in errbuf.
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* In case of failure the global variable errno is set to indicate the
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* error. Even in case of failure av_strerror() will print a generic
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* error message indicating the errnum provided to errbuf.
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*
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* @param errnum error code to describe
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* @param errbuf buffer to which description is written
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* @param errbuf_size the size in bytes of errbuf
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* @return 0 on success, a negative value if a description for errnum
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* cannot be found
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*/
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int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
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/**
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* @}
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*/
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#endif /* AVUTIL_ERROR_H */
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