Re: [Rhythmbox-devel] m4a files play but tags are unknown

>>>>> "JR" == John Russell  writes:

JR> I have lots of mp3 and m4a files.  All of the m4a files in my
JR> library used to be mixed in with all the other tags and played
JR> fine.  They still play but now all m4a files are categorized under
JR> Genre/Artist/Album Unknown.  I'm guessing this has something to do
JR> with the way gstreamer is reading the tags.  Does anyone know how
JR> to fix this?

JR> I'm running Gentoo RB-0.96 gstreamer-0.10.10
JR> gst-plugins-good-0.10.4 gst-plugins-ugly-0.10.4

The tags in m4a files are read by the qtdemux plugin which is actually
in gst-plugins-bad.  Which version of that package are you running?

You can see if qtdemux is getting the wrong m4a tags by running the
following command-line pipeline (the "-t" option displays the tags):

gst-launch playbin -t uri=file:///path/to/somefile.m4a

You should see something like:

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
FOUND TAG      : found by element "qtdemux0".
     audio codec: MPEG-4 AAC audio
FOUND TAG      : found by element "qtdemux0".
           title: Pauline
          artist: The Durutti Column
           album: Circuses and Bread
            date: 1985-01-01
         comment: iTunes v6.0.1, QuickTime 7.0.3
    track number: 1
     track count: 9
           genre: Alternative & Punk

This will at least tell if you the qtdemux gstreamer plugin is getting
the genres wrong.


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