Re: ALSA Sound Problem

Fri Jan 09 2004, Greg Kedrovsky wrote:
> On Fri, Jan 09, 2004 at 05:47:57PM -0500, Félix Tremblay wrote:
> > Try to change it to oss.
> 
> Okay, I think I changed the rc file incorrectly. Here is what I now have
> in the audio section. It gets past the Warnding splash screens (where it
> used to crash) and now it starts a movie preview and locks up, giving me
> this output: 
> 
>   WARNING[ogle_mpeg_vs]: B-frame before forward ref frame
>   WARNING[ogle_mpeg_vs]: B-frame before forward ref frame
>   Xscreensaver not running.
>   No accelerated colorspace coversion found
>   display: frame rate: -0.000 fps
>   No accelerated IMDCT transform found
> 
> It give me a hash mark or two (##) on the command line, and the just
> locks up, leaving the green movie preview screen ("This preview is apt
> for any schmoe and his grandma," etc.). 
> 
Well, either you don't have alsa's oss emulation layer running/loaded
or the driver is having some serious issues.
 
> I still have no sound. I mean, I can't get to the place where there
> would be sound. 
> 
>   <audio>
>     <device>
>       <driver>oss</driver>
>       <path>/dev/dsp</path>
>       <alsa>
> 	<name>default</name>
>       </alsa>

Try this instead:

  <audio>
    <device>
      <driver>alsa</driver>
      <path>/dev/dsp</path>
      <alsa>
      <name>pcm</name>
      </alsa>

And unless you want to use digital output then remove 
this part

>       <channel_config>
> 	<chtype>AC3</chtype>
>       </channel_config>
>       <channel_config>
> 	<chtype>DTS</chtype>
>       </channel_config>
>       <channel_config>
> 	<chtype>MPEG</chtype>
>       </channel_config>
>       <channel_config>
> 	<chtype>LPCM</chtype>
>       </channel_config>

/Håkan