No surround sound with Creative SB Live! card

[Eduardo Morras]

At 21:07 15/06/2012, Edward M wrote:

>>What do you mean by "a decoder is needed"?
>
>     A decorder is either a special plugin/codex that 
> gets  installed into the OS ( codex called a52dec)  and decoding 
> happens internally.
>     or a  hardware device like a stereo receiver that is able to 
> understand  Dolby Digital signals from the DVD through S/PDIF 
> connector from  the sound card to decorder.
>     however, it only appears you are only missing a52dec?  Have you 
> installed a52dec from ports/audio/gstreamer-plugins-a52dec/ ?

Perhaps ffmpeg was compiled without some codecs. If you check GPL 
codecs off, a52 and others are not compiled. Deinstall ffmepeg, do a 
manual compilation with cd /usr/ports/multimedia/ffmpeg && make 
config install clean, checking the options you want.