id3v2: don't overwrite existing tags
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 Our parser currently reads all tags and overwrites existing values with supposedly outdated ones.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>
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@ -132,7 +132,7 @@ static void read_ttag(AVFormatContext *s, ByteIOContext *pb, int taglen, const c
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val = dst;
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if (val)
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av_metadata_set2(&s->metadata, key, val, 0);
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av_metadata_set2(&s->metadata, key, val, AV_METADATA_DONT_OVERWRITE);
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}
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static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags)
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