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id3v2: don't overwrite existing tags

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Apparently some broken taggers prepend a new ID3v2 tag leaving the
existing one intact. Our parser currently reads all tags and overwrites
existing values with supposedly outdated ones.

fixes issue2419

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 75aded8328)
This commit is contained in:
Anton Khirnov 2011-01-20 09:06:58 +01:00 committed by Michael Niedermayer
parent 189665d927
commit d4cc1f5b97
1 changed files with 1 additions and 1 deletions
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libavformat/id3v2.c
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@ -132,7 +132,7 @@ static void read_ttag(AVFormatContext *s, ByteIOContext *pb, int taglen, const c
val = dst;
if (val)
av_metadata_set2(&s->metadata, key, val, 0);
av_metadata_set2(&s->metadata, key, val, AV_METADATA_DONT_OVERWRITE);
}
static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags)