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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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60
media/libav/libavutil/error.c Normal file
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/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avutil.h"
#include "avstring.h"
#include "common.h"
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
{
int ret = 0;
const char *errstr = NULL;
switch (errnum) {
case AVERROR_BSF_NOT_FOUND: errstr = "Bitstream filter not found" ; break;
case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found" ; break;
case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found" ; break;
case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found" ; break;
case AVERROR_EOF: errstr = "End of file" ; break;
case AVERROR_EXIT: errstr = "Immediate exit requested" ; break;
case AVERROR_FILTER_NOT_FOUND: errstr = "Filter not found" ; break;
case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input" ; break;
case AVERROR_MUXER_NOT_FOUND: errstr = "Muxer not found" ; break;
case AVERROR_OPTION_NOT_FOUND: errstr = "Option not found" ; break;
case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in Libav, patches welcome"; break;
case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found" ; break;
case AVERROR_STREAM_NOT_FOUND: errstr = "Stream not found" ; break;
case AVERROR_BUG: errstr = "Bug detected, please report the issue" ; break;
case AVERROR_UNKNOWN: errstr = "Unknown error occurred" ; break;
case AVERROR_EXPERIMENTAL: errstr = "Experimental feature" ; break;
}
if (errstr) {
av_strlcpy(errbuf, errstr, errbuf_size);
} else {
#if HAVE_STRERROR_R
ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
#else
ret = -1;
#endif
if (ret < 0)
snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
}
return ret;
}