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I've recently updated Ubuntu 12.04 to 14.04 (64 bit version).

The problem that I've noticed is that Rhythmbox cannot play ALAC (m4a) files. Also, when I run some radio stations, the systems complains that I don't have Windows Media Audio 8 decoder.

Whenever I start the playback the Ubutnu suggest to install gstreamer1.0-libav (i386) plugin, and then dumps an error message saying:

gstreamer1.0-libav:i386: Depends: libavcodec-extra-54 (>= 6:9.13) but 6:9.16-0ubuntu0.14.04.1+fdkaac is to be installed
                     Depends: libavformat54 (>= 6:9.1-1) but 6:9.16-0ubuntu0.14.04.1+fdkaac is to be installed
                     Depends: libavutil52 (>= 6:9.1-1) but 6:9.16-0ubuntu0.14.04.1+fdkaac is to be installed
                     Depends: libc6 (>= 2.7) but 2.19-0ubuntu6.3 is to be installed
                     Depends: libglib2.0-0 (>= 2.37.3) but 2.40.0-2 is to be installed

Now I have installed the gstreamer1.0-libav, but apparently Rhythmbox is not satisfied with that version.

I've already installed ubuntu-restricted-extras and gstreamer0.1-ffmpeg.

I would like to provide more information but I don't know what's relevant. Also, I don't know how to interpret this error message.

Thank you for help.

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  • Looks like you have some PPAs there. Try disabling them, then reloading package info. Sep 1, 2014 at 21:15
  • Could you elaborate a bit? I'm a bit confused about how to disable them and which ones. Thanks. Sep 1, 2014 at 22:28
  • Disabling PPAs is easy, and has been answered here before. As for figuring out which, look at the output of apt-cache search libavcodec-extra-54 to see where it comes from. Sep 2, 2014 at 21:00
  • Here is the answer: askubuntu.com/questions/527127/…
    – Dũng
    Sep 24, 2014 at 2:38

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