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59 lines
2.7 KiB
59 lines
2.7 KiB
/* |
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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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#undef _GNU_SOURCE |
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#include "avutil.h" |
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#include "avstring.h" |
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int av_strerror(int errnum, char *errbuf, size_t errbuf_size) |
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{ |
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int ret = 0; |
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const char *errstr = NULL; |
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switch (errnum) { |
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case AVERROR_BSF_NOT_FOUND: errstr = "Bitstream filter not found" ; break; |
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case AVERROR_BUG2: |
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case AVERROR_BUG: errstr = "Internal bug, should not have happened" ; break; |
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case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found" ; break; |
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case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found" ; break; |
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case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found" ; break; |
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case AVERROR_EOF: errstr = "End of file" ; break; |
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case AVERROR_EXIT: errstr = "Immediate exit requested" ; break; |
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case AVERROR_FILTER_NOT_FOUND: errstr = "Filter not found" ; break; |
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case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input" ; break; |
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case AVERROR_MUXER_NOT_FOUND: errstr = "Muxer not found" ; break; |
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case AVERROR_OPTION_NOT_FOUND: errstr = "Option not found" ; break; |
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case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break; |
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case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found" ; break; |
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case AVERROR_STREAM_NOT_FOUND: errstr = "Stream not found" ; break; |
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} |
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if (errstr) { |
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av_strlcpy(errbuf, errstr, errbuf_size); |
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} else { |
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#if HAVE_STRERROR_R |
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ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size); |
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#else |
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ret = -1; |
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#endif |
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if (ret < 0) |
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snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum); |
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} |
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return ret; |
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}
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