Re: [Alsa-user] route plugin and spdif?

2007-03-31 Thread Al McIntosh 
Ingo Müller wrote:
 Al McIntosh schrieb:
   
 I am curious, does no one know whether route with ttable and dmix 
 plugins work with spdif? Or has this subject been beaten to death?

 Is there a more appropriate list to take this question?

 Thanks,
 Al

 

 Hi!

 Just to asure you: this is the right list and I don't think, that this
 subject has been discussed too many times. I may be wrong, so having a
 look at the archive is worth a try:
 http://news.gmane.org/gmane.linux.alsa.user

 The reason why nobody is answering, I suspect, is because nobody knows
 the answer or those who know don't care. Unfortunately, according to my
 experience, quite a lot of (non-trivial) questions remain unanswered...

 Good luck with your problem anyway :-)

 Regards, Ingo

   

Ingo,

Thanks for the suggestion. The archives are one of the first places 
I looked. However, I have been unable to find any detailed 
documentation.  Pretty much all of the route plugin documentation I have 
found is very high level involving asoundrc examples.  They were are all 
great,  only problem is the only examples that include use of ttable 
with spdif state this section of the configuration is untested or was 
used with input not output :(

Thanks,
Al

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Re: [Alsa-user] route plugin and spdif?

2007-03-30 Thread Al McIntosh 
Al McIntosh wrote:
 Hey,

 I have a Sound Blaster Live! card connected to 7.1 amp via optical
 coax cable. When I watch DVDs or anything with xine I get nice, rich
 full surround sound. However, when I watch tv shows recorded within mythtv
 there is no output from LS or RS. The front , center and rear channels
 all output.

 I have attempted to duplicate the rear channels using ttable and output 
 the duplicated sound in the side channels. However, I am unable to 
 produce any sound using route and dmix. Is this possible?

 I have tried tinkered with some of the below configuration. Only 
 digital-hw on it's own produces sound.


 pcm.digital-hw {
  type hw
  card Live
  device 2
 }

 pcm.upmix {
   type route
   slave.digital-hw # I have tried setting to this
   #to digital-hw and dmix71 and neither produces no sound.
   slave.channels 8
   ttable.0.0 1
   ttable.1.1 1
   ttable.2.2 1
   ttable.3.3 1
   ttable.4.4 1
   ttable.5.5 1
   ttable.2.6 1
   ttable.3.7 1
 }

 pcm.dmix71 {
  type dmix
 ipc_key 1024
 slave {
 pcm digital-hw
 rate 48000
 channels 6
 period_time 0
 period_size 1024
 buffer_time 0
 buffer_size 1024 # Increasing this simply produces
  # a studdering du-du-du-du-du sound.
 }
  }

 


   
I am curious, does no one know whether route with ttable and dmix 
plugins work with spdif? Or has this subject been beaten to death?

Is there a more appropriate list to take this question?

Thanks,
Al


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[Alsa-user] route plugin and spdif?

2007-03-27 Thread Al McIntosh 
Hey,

I have a Sound Blaster Live! card connected to 7.1 amp via optical
coax cable. When I watch DVDs or anything with xine I get nice, rich
full surround sound. However, when I watch tv shows recorded within mythtv
there is no output from LS or RS. The front , center and rear channels
all output.

I have attempted to duplicate the rear channels using ttable and output 
the duplicated sound in the side channels. However, I am unable to 
produce any sound using route and dmix. Is this possible?

I have tried tinkered with some of the below configuration. Only 
digital-hw on it's own produces sound.


pcm.digital-hw {
 type hw
 card Live
 device 2
}

pcm.upmix {
  type route
  slave.digital-hw # I have tried setting to this
  #to digital-hw and dmix71 and neither produces no sound.
  slave.channels 8
  ttable.0.0 1
  ttable.1.1 1
  ttable.2.2 1
  ttable.3.3 1
  ttable.4.4 1
  ttable.5.5 1
  ttable.2.6 1
  ttable.3.7 1
}

pcm.dmix71 {
 type dmix
ipc_key 1024
slave {
pcm digital-hw
rate 48000
channels 6
period_time 0
period_size 1024
buffer_time 0
buffer_size 1024 # Increasing this simply produces
 # a studdering du-du-du-du-du sound.
}
 }




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