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lavf/avidec: Do not fail for very large idx1 tags.

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Fixes demuxing the sample file from github pull request 197,
the size of its idx1 tag is 6171936 bytes, followed by a JUNK
tag of 9505704 bytes.
This commit is contained in:
Carl Eugen Hoyos 2016-10-17 18:25:48 +02:00
parent bc7e128a6e
commit a20f3238be
1 changed files with 2 additions and 0 deletions
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2
libavformat/avidec.c
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@ -993,6 +993,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
avi->movi_end = avi->fsize;
goto end_of_header;
}
/* Do not fail for very large idx1 tags */
case MKTAG('i', 'd', 'x', '1'):
/* skip tag */
size += (size & 1);
avio_skip(pb, size);