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avutil: add AVERROR_UNKNOWN

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Useful to return instead of -1 when the cause of the error is unknown,
typically from an external library.
(cherry picked from commit c9bca80132)

Conflicts:

	doc/APIchanges
	libavutil/avutil.h

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Justin Ruggles
2012-02-24 23:27:14 -05:00
committed by Reinhard Tartler
parent 750f5baf30
commit 7f3f85544c
4 changed files with 6 additions and 1 deletions
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1
libavutil/error.c
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@@ -39,6 +39,7 @@ int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
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;
}
if (errstr) {