** Changed in: mediascanner2 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1384857
Title:
media scanner does not handle files with incorrectly encoded tags
(mojibake)
Status in mediascanner2 package in Ubuntu:
Invalid
Bug description:
I don't really have enough information to know how prevalent this
problem is, since it seems to be highly dependent on region. I was
shown a Chinese user's phone where half the songs came up with garbage
metadata. It seems that the problem is that the metadata in these
files is tagged as ISO-8859-1, but is actually in the locale's legacy
encoding (GBK in the case of these Chinese tracks).
It is not clear whether we can easily fix this in media scanner
though, since GStreamer is providing tag data to us normalised to
UTF-8. To unmangle the text, I needed to convert this UTF-8 to
ISO-8859-1, and then convert that back to UTF-8 as if it was GBK.
GStreamer already includes some code to attempt to decode text
according to the locale's encoding, but since we are using UTF-8
locales this doesn't do anything:
http://cgit.freedesktop.org/gstreamer/gst-plugins-base/tree/gst-
libs/gst/tag/id3v2frames.c#n968
There is also an open upstream bug about guessing at a legacy encoding
based on the the locale, but it hasn't seen any activity in a year:
https://bugzilla.gnome.org/show_bug.cgi?id=688367
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