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lavf/id3v2: do not export empty fields.

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This also avoids a memleak.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Clément Bœsch 2012-05-12 22:31:11 +02:00 committed by Anton Khirnov
parent 4e48aa8656
commit ffdd2e9144
1 changed files with 2 additions and 0 deletions
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libavformat/id3v2.c
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@ -293,6 +293,8 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
}
else if (*dst)
dict_flags |= AV_DICT_DONT_STRDUP_VAL;
else
av_freep(&dst);
if (dst)
av_dict_set(&s->metadata, key, dst, dict_flags);