gstreamer can't play .mp4, .m4a audio files
totem-gstreamer can't play dvd's while totem-xine can

totem error:
"You do not have a decoder installed to handle this file. You might need to install the necessary plugins."

re-installing via apt doesn't help

when building from source, after ./configure i get the folowing output:

while configuring
configure: *** checking feature: AAC decoder plug-in ***
configure: *** for plug-ins: faad ***
checking for faacDecOpen in -lfaad... no
configure: *** These plugins will not be built: faad

and
after configure
configure: *** Plug-ins with dependencies that will NOT be built:
        amrwb
        bz2
        cdaudio
        dfbvideosink
        divx
        dtsdec
        faac
        faad
        gsmenc gsmdec
        gstalsa
        ivorbisdec
        jack
        ladspa
        libmms
        mpeg2enc
        musepack
        musicbrainz
        neonhttpsrc
        soundtouch
        spc
        theoraexpdec
        wavpack
        xvid

i have faad 2.5-1 and the libfaad-1dev version 2.5-1 on my system
i have installed the latest debian amd64 packages of all the gstramer pluggins and it still doesnt work

my system is debian etch on an amd64 machine i have never been able to play m4a files using gstreamer