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Old 12-01-2008, 03:42 PM   #1
dracayr
LQ Newbie
 
Registered: May 2008
Posts: 22

Rep: Reputation: 15
alsa card


hi,

on my LFS system, I managed to get my speakers to produce some output like this:

speaker-test -Dhw:2 -c2

it won't work if the number of channels is lower or higher.

Now I want to make that Device (hw:2) to be the default card alsa uses. I tried to use mplayer by using that device and two channels (mplayer /path/to/audioFile.mp3 -ao alsa:device=hw=2 -channels 2), but it only says "could not initialize audio device". And as you see, I have to set alsa manually as the audio driver, is there some way to configure this? I don't have a /dev/dsp file, why is that??

EDIT: OK, I figured out how to set the card default, so that it works with speaker-test, but it still doesn't work with mplayer. Before I set this card default, a "virtual MIDI card" was default, and mplayer managed to load that, and play, but of course I couldn't hear anything. Now mplayer says could not open/initialize audio device I have a ubuntu installation on the same machine, and the sound works there..

dracayr

Last edited by dracayr; 12-01-2008 at 04:18 PM.
 
Old 12-07-2008, 08:59 PM   #2
nickkaelber
LQ Newbie
 
Registered: Apr 2008
Location: Mesa, Arizona
Distribution: Slackware 11
Posts: 3

Rep: Reputation: 0
Hello, dracayr.

I'm not sure what is going on but I suggest finding and installing Xine, if you can find it.
It may be the mplayer just doesn't like your speakers...changing the program might work.

nick.
 
  


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