libavutil/error.h File Reference

error code definitions More...

#include <errno.h>
#include "avutil.h"

Go to the source code of this file.

Defines

#define AVERROR(e)   (e)
#define AVUNERROR(e)   (e)
#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_NOTSUPP   AVERROR(ENOSYS)
 Operation not supported.
#define AVERROR_NUMEXPECTED   AVERROR(EDOM)
 Number syntax expected in filename.
#define AVERROR_UNKNOWN   AVERROR(EINVAL)
 Unknown error.
#define AVERROR_EOF   AVERROR(EPIPE)
 End of file.
#define AVERROR_PATCHWELCOME   (-MKTAG('P','A','W','E'))
 Not yet implemented in Libav, patches welcome.
#define AVERROR_DEMUXER_NOT_FOUND   (-MKTAG(0xF8,'D','E','M'))
 Demuxer not found.
#define AVERROR_MUXER_NOT_FOUND   (-MKTAG(0xF8,'M','U','X'))
 Muxer not found.
#define AVERROR_BSF_NOT_FOUND   (-MKTAG(0xF8,'B','S','F'))
 Bitstream filter not found.
#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_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_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_PROTOCOL_NOT_FOUND   (-MKTAG(0xF8,'P','R','O'))
 Protocol not found.
#define AVERROR_STREAM_NOT_FOUND   (-MKTAG(0xF8,'S','T','R'))
 Stream not found.

Functions

int av_strerror (int errnum, char *errbuf, size_t errbuf_size)
 Put a description of the AVERROR code errnum in errbuf.


Detailed Description

error code definitions

Definition in file error.h.


Define Documentation

#define AVERROR (  )     (e)

Definition at line 36 of file error.h.

Referenced by a64_write_header(), a64_write_packet(), a64multi_init_encoder(), aac_encode_frame(), aac_encode_init(), adpcm_decode_frame(), adpcm_decode_init(), adts_aac_read_header(), aea_read_header(), aea_read_packet(), aiff_read_header(), alloc_and_copy(), allocate_buffers(), allocate_initial_states(), allocate_sample_buffers(), amr_handle_packet(), amr_read_header(), amr_read_packet(), amr_wb_encode_init(), apc_read_header(), apc_read_packet(), ape_decode_frame(), ape_decode_init(), ape_read_header(), ape_read_packet(), ape_tag_read_field(), applehttp_open(), applehttp_read_header(), applehttp_read_seek(), asf_read_seek(), asf_read_stream_properties(), asf_write_header1(), asfrtp_parse_packet(), ass_decode_init(), ass_encode_init(), atrac1_decode_frame(), atrac1_decode_init(), atrac3_decode_init(), audio_open(), audio_read_header(), audio_read_packet(), audio_write_header(), audio_write_packet(), av_dict_set(), av_dup_packet(), av_estimate_timings_from_pts(), av_expr_parse(), av_expr_parse_and_eval(), av_file_map(), av_grow_packet(), av_image_alloc(), av_image_check_size(), av_image_fill_linesizes(), av_image_fill_pointers(), av_image_get_linesize(), av_interleaved_write_frame(), av_new_packet(), av_open_input_stream(), av_parse_color(), av_parse_time(), av_parse_video_rate(), av_parse_video_size(), av_probe_input_buffer(), av_read_frame(), av_read_frame_internal(), av_read_packet(), av_read_pause(), av_read_play(), av_samples_alloc(), av_samples_fill_arrays(), av_sdp_create(), av_seek_frame_generic(), av_set_number2(), av_set_parameters(), av_set_string3(), av_size_mult(), av_url_read_pause(), av_url_read_seek(), av_vsink_buffer_get_video_buffer_ref(), av_vsrc_buffer_add_video_buffer_ref(), avcodec_copy_context(), avcodec_decode_audio3(), avcodec_get_context_defaults3(), avcodec_open2(), avfilter_add_format(), avfilter_fill_frame_from_video_buffer_ref(), avfilter_graph_add_filter(), avfilter_graph_parse(), avfilter_link(), avfilter_open(), avformat_alloc_output_context2(), avformat_find_stream_info(), avformat_open_input(), avformat_write_header(), avi_read_header(), avi_write_header(), avi_write_packet(), avio_get_str(), avio_pause(), avio_seek(), avio_seek_time(), avio_size(), avisynth_read_packet(), avpicture_layout(), avs_read_audio_packet(), avs_read_packet(), avs_read_video_packet(), bfi_read_header(), bfi_read_packet(), build_filter(), build_modpred(), cbr_bit_allocation(), cdata_read_header(), cdg_decode_frame(), cdg_tile_block(), celt_header(), che_configure(), cin_read_frame_header(), cin_read_header(), circular_buffer_task(), codec_reinit(), codecctl_int(), color_config_props(), color_init(), compute_pkt_fields2(), concat_open(), concat_seek(), config_input(), config_input_overlay(), config_input_props(), config_output_props(), config_props(), copy_chapters(), copy_from(), create_filter(), crypto_open(), daud_header(), daud_packet(), dc1394_read_header(), decode(), decode_codestream(), decode_frame(), decode_i_frame(), decode_init(), decode_p_frame(), decode_packet(), decode_slice_header(), decode_stream_header(), decode_tag(), decode_update_thread_context(), decoder_init(), device_open(), dfa_decode_init(), dfa_read_header(), dfa_read_packet(), dilate_init(), draw_glyphs(), draw_text(), dshow_add_device(), dshow_open_device(), dshow_read_header(), dshow_read_packet(), dv1394_read_header(), dv1394_read_packet(), dv_read_header(), dv_read_packet(), dxa_read_packet(), dyn_buf_write(), ea_read_header(), ea_read_packet(), ebml_parse_elem(), ebml_read_ascii(), ebml_read_binary(), ebml_read_master(), ebml_read_num(), eightsvx_decode_frame(), encode_init(), encode_superframe(), extract_header(), fbdev_read_header(), fbdev_read_packet(), ff_ac3_float_mdct_init(), ff_alsa_extend_reorder_buf(), ff_alsa_open(), ff_alsa_xrun_recover(), ff_asf_get_packet(), ff_ass_add_rect(), ff_ass_subtitle_header(), ff_avfilter_graph_check_validity(), ff_bgmc_init(), ff_celt_error_to_averror(), ff_combine_frame(), ff_h263_decode_frame(), ff_ivi_init_planes(), ff_ivi_init_tiles(), ff_j2k_dwt_init(), ff_j2k_init_component(), ff_lpc_init(), ff_mov_add_hinted_packet(), ff_mov_init_hinting(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_network_wait_fd(), ff_parse_fmtp(), ff_raw_audio_read_header(), ff_raw_read_header(), ff_raw_read_partial_packet(), ff_raw_video_read_header(), ff_rtmp_packet_create(), ff_rtmp_packet_read(), ff_rtsp_setup_output_streams(), ff_set_systematic_pal2(), ff_sndio_open(), ff_udp_set_remote_url(), ff_wms_parse_sdp_a_line(), ffio_fdopen(), ffio_rewind_with_probe_data(), ffio_set_buf_size(), ffm_is_avail_data(), ffm_read_header(), ffurl_alloc(), ffurl_read(), ffurl_read_complete(), ffurl_seek(), ffurl_write(), file_check(), film_read_header(), film_read_packet(), find_headers_search_validate(), flac_encode_init(), flac_read_header(), flac_write_block_comment(), flashsv_decode_frame(), flashsv_encode_frame(), flashsv_encode_init(), flic_read_header(), flic_read_packet(), flv_get_extradata(), flv_read_header(), flv_read_packet(), fourxm_read_header(), fourxm_read_packet(), frei0r_init(), g726_init(), get_bits(), get_chunk_header(), get_coc(), get_cod(), get_cox(), get_http_header_data(), get_metadata(), get_packet(), get_qcc(), get_qcx(), get_sindex(), get_siz(), get_sot(), get_tag(), get_tcp_server_response(), gif_encode_init(), gif_read_image(), gif_write_header(), gopher_connect(), gopher_open(), grab_read_header(), grab_read_packet(), gxf_packet(), gxf_write_header(), h263_handle_packet(), h264_mp4toannexb_filter(), handle_chunk_type(), handle_connection(), handle_packets(), http_connect(), http_get_line(), http_getc(), http_open_cnx(), http_prepare_data(), http_read(), http_receive_data(), http_send_data(), http_server(), id3v2_put_ttag(), idcin_read_header(), idcin_read_packet(), iff_read_header(), iff_read_packet(), image_get_linesize(), ingenient_read_packet(), init(), init_slice_contexts(), init_slice_state(), init_tile(), init_tiles(), ipmovie_read_header(), ipmovie_read_packet(), iss_read_header(), iss_read_packet(), iv_alloc_frames(), ivf_write_header(), latm_decode_audio_specific_config(), latm_parse_packet(), libcelt_dec_decode(), libcelt_dec_init(), libgsm_decode_frame(), link_filter_inouts(), lmlm4_read_header(), lmlm4_read_packet(), load_glyph(), lxf_read_header(), lxf_read_packet(), matroska_merge_packets(), matroska_parse_block(), matroska_read_header(), md5_close(), md5_open(), mimic_decode_frame(), mjpeg2jpeg_filter(), mkv_add_cuepoint(), mkv_add_seekhead_entry(), mkv_copy_packet(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_tracks(), mmap_init(), mmap_read_frame(), mmap_start(), mmf_read_header(), mmf_read_packet(), mms_open(), mms_read(), mmsh_open(), mov_open_dref(), mov_read_cmov(), mov_read_ctts(), mov_read_dref(), mov_read_ftyp(), mov_read_glbl(), mov_read_smi(), mov_read_stco(), mov_read_stps(), mov_read_strf(), mov_read_stsc(), mov_read_stss(), mov_read_stsz(), mov_read_stts(), mov_read_trak(), mov_read_trex(), mov_read_trun(), mov_read_wave(), mov_write_header(), movie_init(), mp3_read_header(), MP3lame_encode_init(), mp4_read_iods(), mp_decode_frame(), mpc7_decode_frame(), mpc8_decode_frame(), mpc8_read_header(), mpc8_read_packet(), mpc_read_header(), mpc_read_packet(), mpeg_mux_init(), mpegps_read_packet(), mpegps_read_pes_header(), mpegts_push_data(), mpegts_raw_read_packet(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), msnwc_tcp_read_header(), mtv_read_header(), mxf_add_metadata_set(), mxf_write_header(), mxg_read_header(), mxg_read_packet(), mxg_update_cache(), mxpeg_check_dimensions(), mxpeg_decode_frame(), mxpeg_decode_mxm(), nc_read_header(), nc_read_packet(), normalize_double(), nsv_parse_NSVf_header(), nuv_header(), nuv_packet(), ogg_buffer_page(), ogg_build_flac_headers(), ogg_build_speex_headers(), ogg_new_stream(), ogg_read_packet(), ogg_write_header(), oma_read_header(), oma_read_packet(), open_input(), opt_audio_sample_fmt(), opt_format(), opt_frame_aspect_ratio(), opt_frame_crop(), opt_frame_pix_fmt(), opt_frame_size(), opt_input_file(), opt_qscale(), opt_target(), packetizer_read(), parse_expr(), parse_factor(), parse_fmtp_config(), parse_inputs(), parse_iplconvkernel(), parse_key_value_pair(), parse_keyframes_index(), parse_outputs(), parse_packed_headers(), parse_playlist(), parse_primary(), parse_subexpr(), parse_term(), pcm_decode_frame(), pcx_decode_frame(), pmp_header(), pva_read_header(), pva_read_packet(), qcelp_decode_frame(), qcp_read_header(), qdm2_decode_frame(), qdm2_parse_config(), qdm2_parse_packet(), qt_rtp_parse_packet(), query_formats(), queue_frames(), r3d_read_rdvo(), r3d_read_red1(), raw_init_decoder(), rdt_parse_sdp_line(), read_audio_mux_element(), read_data_packet(), read_desc_chunk(), read_extra_header(), read_ffserver_streams(), read_file(), read_frame(), read_header(), read_kuki_chunk(), read_packet(), read_part_of_packet(), read_seek(), read_seek2(), read_shape_from_file(), read_specific_config(), read_tag(), request_frame(), ret_str(), retry_transfer_wrapper(), rl2_read_header(), rl2_read_packet(), rm_assemble_video_frame(), rm_read_audio_stream_info(), rm_read_extradata(), rm_read_header(), rm_read_packet(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rso_read_header(), rtmp_open(), rtmp_read_seek(), rtp_open(), rtp_parse_one_packet(), rtp_parse_packet(), rtp_parse_packet_internal(), rtp_read(), rtp_write_header(), rtsp_open_transport_ctx(), rtsp_read_header(), rtsp_read_packet(), rtsp_write_packet(), rv30_decode_init(), sap_fetch_packet(), sap_read_header(), sap_write_header(), sap_write_packet(), sdl_write_header(), sdp_parse_fmtp_config_h264(), send_command_packet(), seq_fill_buffer(), seq_init_frame_buffers(), seq_read_header(), seq_read_packet(), set_channel_info(), set_param(), set_params(), shorten_decode_frame(), siff_read_packet(), smacker_read_header(), smacker_read_packet(), smka_decode_frame(), smka_decode_init(), smooth_init(), sol_read_packet(), source_config_props(), source_init(), sox_read_header(), sox_read_packet(), spdif_header_aac(), spdif_header_dts(), spdif_header_dts4(), spdif_header_eac3(), spdif_read_packet(), spdif_write_header(), spdif_write_packet(), srt_encode_frame(), start_jack(), storeframe(), str_read_header(), str_read_packet(), stream_toggle_pause(), svq3_decode_frame(), svq3_parse_packet(), swf_read_header(), swf_read_packet(), swf_write_header(), sws_init_context(), targa_encode_frame(), tcp_open(), tgv_decode_frame(), thp_read_header(), thp_read_packet(), tmv_read_header(), tqi_decode_frame(), transcode(), truespeech_decode_init(), tta_decode_init(), tta_read_header(), twin_decode_frame(), txd_read_header(), udp_open(), udp_set_url(), update_dimensions(), url_alloc_for_protocol(), url_open_buf(), url_open_dyn_buf_internal(), url_resetbuf(), v4l2_read_header(), v4l2_read_packet(), v4l2_set_parameters(), v4l_mm_read_picture(), validate_metadata(), validate_options(), vc1t_read_packet(), vfw_read_header(), vfw_read_packet(), vid_read_header(), vid_read_packet(), vmd_read_header(), vmd_read_packet(), vmdaudio_decode_frame(), voc_get_packet(), voc_read_header(), vorbis_decode_frame(), vorbis_parse_setup_hdr_residues(), vp8_encode(), vp8_handle_packet(), vp8_init(), vqf_read_header(), vqf_read_packet(), wc3_read_header(), wc3_read_packet(), wma_decode_superframe(), write_header(), write_streamheader(), ws_snd_decode_frame(), ws_snd_decode_init(), wsaud_read_header(), wsaud_read_packet(), wsvqa_read_header(), wsvqa_read_packet(), wv_read_packet(), x11grab_read_header(), xa_read_header(), xa_read_packet(), xan_decode_frame(), xan_decode_init(), xiph_handle_packet(), xiph_parse_fmtp_pair(), xwma_read_header(), yop_read_header(), yuv4_read_header(), and yuv4_read_packet().

#define AVERROR_BSF_NOT_FOUND   (-MKTAG(0xF8,'B','S','F'))

Bitstream filter not found.

Definition at line 63 of file error.h.

Referenced by av_strerror(), and init().

#define AVERROR_DECODER_NOT_FOUND   (-MKTAG(0xF8,'D','E','C'))

Decoder not found.

Definition at line 64 of file error.h.

Referenced by av_find_best_stream(), and av_strerror().

#define AVERROR_DEMUXER_NOT_FOUND   (-MKTAG(0xF8,'D','E','M'))

Demuxer not found.

Definition at line 65 of file error.h.

#define AVERROR_DEMUXER_NOT_FOUND   (-MKTAG(0xF8,'D','E','M'))

Demuxer not found.

Definition at line 65 of file error.h.

Referenced by av_strerror().

#define AVERROR_ENCODER_NOT_FOUND   (-MKTAG(0xF8,'E','N','C'))

Encoder not found.

Definition at line 66 of file error.h.

Referenced by av_strerror().

#define AVERROR_EOF   AVERROR(EPIPE)

#define AVERROR_EXIT   (-MKTAG( 'E','X','I','T'))

Immediate exit was requested; the called function should not be restarted.

Definition at line 67 of file error.h.

Referenced by applehttp_read(), av_strerror(), avformat_find_stream_info(), read_data(), retry_transfer_wrapper(), rtp_read(), and tcp_open().

#define AVERROR_FILTER_NOT_FOUND   (-MKTAG(0xF8,'F','I','L'))

Filter not found.

Definition at line 68 of file error.h.

Referenced by av_strerror().

#define AVERROR_INVALIDDATA   AVERROR(EINVAL)

Invalid data found when processing input.

Definition at line 41 of file error.h.

Referenced by aiff_read_header(), amr_handle_packet(), ape_decode_frame(), ape_read_header(), asf_read_file_properties(), ass_split(), au_read_header(), av_probe_input_buffer(), av_strerror(), avformat_write_header(), avs_decode_frame(), avs_read_packet(), caf_write_header(), cin_decode_lzss(), cin_read_file_header(), cin_read_frame_header(), cinvideo_decode_frame(), cmv_decode_frame(), cook_decode_init(), decode_block(), decode_channel_transform(), decode_coeffs(), decode_frame(), decode_frame_header(), decode_i_frame(), decode_init(), decode_main_header(), decode_packet(), decode_scale_factors(), decode_slice_header(), decode_subframe(), decode_subframe_length(), decode_tilehdr(), decodeTonalComponents(), dfa_read_header(), dv_extract_audio(), ea_read_packet(), ebml_parse_elem(), ebml_read_float(), ebml_read_num(), ebml_read_uint(), eightsvx_decode_init(), encode_frame(), extract_header(), ff_ass_split_override_codes(), ff_celt_error_to_averror(), ff_cmap_read_palette(), ff_j2k_dwt_init(), ff_mms_asf_header_parser(), ff_rtsp_setup_input_streams(), ff_rtsp_setup_output_streams(), film_read_header(), find_record(), flac_read_header(), flashsv_encode_init(), flic_decode_frame_8BPP(), flic_read_header(), fourxm_read_header(), g722_init(), get_chunk_header(), get_tcp_server_response(), gsm_decode_frame(), h263_handle_packet(), handle_chunk_type(), iff_read_header(), init_image(), ipmovie_read_header(), ipmovie_read_packet(), ir2_decode_frame(), kmvc_decode_inter_8x8(), kmvc_decode_intra_8x8(), latm_decode_audio_specific_config(), latm_decode_frame(), lxf_read_header(), lxf_read_packet(), matroska_parse_block(), mjpeg2jpeg_filter(), mjpegb_decode_frame(), mmap_read_frame(), mms_safe_send_recv(), mov_read_chan(), mp_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mxf_decrypt_triplet(), nut_read_header(), nut_read_packet(), ogg_read_page(), output_data_internal(), parse_packed_headers(), parse_playlist(), parse_streaminfo(), ptx_decode_frame(), qcp_read_header(), qdm2_decode_init(), qdm2_parse_config(), qdm2_parse_packet(), qdm2_parse_subpacket(), qt_rtp_parse_packet(), qtrle_decode_init(), read_audio_mux_element(), read_data_packet(), read_header(), read_kuki_chunk(), read_packet(), read_pakt_chunk(), read_rle_sgi(), read_shape_from_file(), return_stored_frame(), rl2_read_header(), rm_read_audio_stream_info(), rm_write_header(), roq_read_packet(), rso_read_header(), rso_write_header(), rtcp_parse_packet(), rtsp_read_header(), rtsp_read_packet(), rtsp_write_header(), rtsp_write_packet(), rv10_decode_frame(), rv34_decode_slice(), s302m_parse_frame_header(), sap_write_header(), seq_fill_buffer(), seq_parse_frame_data(), seqvideo_decode(), seqvideo_decode_frame(), smacker_read_packet(), spdif_get_offset_and_codec(), spdif_header_aac(), spdif_header_dts(), spdif_header_dts4(), spdif_header_mpeg(), spdif_header_truehd(), srt_encode_init(), store_packet(), str_read_packet(), sunrast_decode_frame(), svq3_decode_init(), svq3_parse_packet(), tgv_decode_frame(), tiff_decode_tag(), tiff_unpack_strip(), txd_decode_frame(), txd_read_packet(), update_dimensions(), vp8_decode(), vp8_decode_frame(), vp8_encode(), vp8_handle_packet(), vp8_init(), vqa_decode_init(), wc3_read_header(), wc3_read_packet(), wma_decode_superframe(), write_header(), wsaud_read_header(), wsaud_read_packet(), xan_decode_frame(), xan_huffman_decode(), xan_wc3_decode_frame(), xiph_handle_packet(), xiph_parse_fmtp_pair(), yop_copy_previous_block(), yop_decode_frame(), yop_decode_init(), and yop_read_header().

#define AVERROR_IO   AVERROR(EIO)

I/O error.

Definition at line 42 of file error.h.

#define AVERROR_MUXER_NOT_FOUND   (-MKTAG(0xF8,'M','U','X'))

Muxer not found.

Definition at line 69 of file error.h.

#define AVERROR_MUXER_NOT_FOUND   (-MKTAG(0xF8,'M','U','X'))

Muxer not found.

Definition at line 69 of file error.h.

Referenced by av_strerror().

#define AVERROR_NOENT   AVERROR(ENOENT)

No such file or directory.

Definition at line 43 of file error.h.

#define AVERROR_NOFMT   AVERROR(EILSEQ)

Unknown format.

Definition at line 44 of file error.h.

#define AVERROR_NOMEM   AVERROR(ENOMEM)

Not enough memory.

Definition at line 45 of file error.h.

#define AVERROR_NOTSUPP   AVERROR(ENOSYS)

Operation not supported.

Definition at line 46 of file error.h.

#define AVERROR_NUMEXPECTED   AVERROR(EDOM)

Number syntax expected in filename.

Definition at line 47 of file error.h.

Referenced by av_strerror(), and opt_output_file().

#define AVERROR_OPTION_NOT_FOUND   (-MKTAG(0xF8,'O','P','T'))

#define AVERROR_PATCHWELCOME   (-MKTAG('P','A','W','E'))

#define AVERROR_PROTOCOL_NOT_FOUND   (-MKTAG(0xF8,'P','R','O'))

Protocol not found.

Definition at line 71 of file error.h.

Referenced by av_strerror().

#define AVERROR_STREAM_NOT_FOUND   (-MKTAG(0xF8,'S','T','R'))

Stream not found.

Definition at line 72 of file error.h.

Referenced by av_find_best_stream(), and av_strerror().

#define AVERROR_UNKNOWN   AVERROR(EINVAL)

Unknown error.

Definition at line 48 of file error.h.

#define AVUNERROR (  )     (e)

Definition at line 37 of file error.h.

Referenced by av_strerror(), and print_error().


Function Documentation

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

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.

Parameters:
errnum error code to describe
errbuf buffer to which description is written
errbuf_size the size in bytes of errbuf
Returns:
0 on success, a negative value if a description for errnum cannot be found

Definition at line 23 of file error.c.

Referenced by av_file_map(), and print_error().


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