Comment 5 for bug 924415

I can't play .aacs to .m4as on Mixxx on Linux (Kubuntu 14.04). sox also won't play the tracks, but vlc *does* play them. Here is the relevant part of the log when I try to load an m4a:

Debug [Main]: m_fadeDuration[ "[Channel2]" ] = 0.00877193
Debug [Main]: Committing transaction on "qt_sql_default_connection" result: true
Debug [Main]: PlaylistTableModel(0x4929950) select() took 24 ms 1383
Debug [Main]: BeatFactory::loadBeatsFromByteArray could not parse serialized beats.
Debug [Main]: m_sTracks.count() = 6
Debug [Main]: TrackInfoObject::parse() error at file "/home/music/Blackalicious/Blackalicious/The Craft/06 Lotus Flower.m4a"
Warning [CachingReaderWorker 1]: Failed to open file: "/home/music/Blackalicious/Blackalicious/The Craft/06 Lotus Flower.m4a"
Debug [CachingReaderWorker 1]: "[Channel1]" CachingReaderWorker::loadTrack() load failed for" "/home/music/Blackalicious/Blackalicious/The Craft/06 Lotus Flower.m4a" ", file invalid, unlocked reader lock
Debug [Main]: Committing transaction on "qt_sql_default_connection" result: true
Debug [Main]: BaseTrackCache(0x49132d0) updateIndexWithQuery took 1 ms
Debug [Main]: Failed to load track "/home/music/Blackalicious/Blackalicious/The Craft/06 Lotus Flower.m4a" "The file '/home/music/Blackalicious/Blackalicious/The Craft/06 Lotus Flower.m4a' could not be loaded."
Debug [Main]: Committing transaction on "qt_sql_default_connection" result: true
Debug [Main]: PlaylistTableModel(0x4929950) select() took 21 ms 1382
Debug [Main]: Successfully deserialized BeatGrid
Debug [Main]: m_sTracks.count() = 6

I have all *aac* related packages that I can see installed (aac-enc faac fdkaac-encoder libaacs0 libfaac0 libfdk-aac0 libvo-aacenc0, and the related -dev packages). Is there anything else I should expect? Or is it worth opening a separate bug for linux?