id3v2: don't overwrite existing tags
authorAnton Khirnov <anton@khirnov.net>
Thu, 20 Jan 2011 08:06:58 +0000 (09:06 +0100)
committerMans Rullgard <mans@mansr.com>
Thu, 20 Jan 2011 13:39:19 +0000 (13:39 +0000)
commit75aded8328e35c9391e25a1c857eb6e3b801a8d8
treeed02075713d23f783c6e174fd5fc9f0f2d14f8b6
parentf7fcd6a2549b58a69c02622503676a8b142e4c43
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existing values with supposedly outdated ones.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>
libavformat/id3v2.c