No dmix with HDSP Multiface

No dmix with HDSP Multiface

[Janina Sajka]

I have 1.0.9RC1 compiled and installed--but cannot get dmix to work. Am
I going about it wrong? Or are there still known issues with dmix using
RME hardware? Mine is a HDSP Multiface. Here's what I get:

#aplay -D dmix:SLAVE=\"hw:0,0\",RATE=48000 Any_Dream_Will_Do.wav
ALSA lib conf.c:3808:(parse_args) Unknown parameter SLAVE
ALSA lib conf.c:3930:(snd_config_expand) Parse arguments error: No such
file or directory
ALSA lib pcm.c:2070:(snd_pcm_open_noupdate) Unknown PCM
dmix:SLAVE="hw:0,0",RATE=48000
aplay: main:508: audio open error: No such file or directory
[root@concerto 12:59:57] ~

On the other hand, if I leave the arguments out, the file plays:

#aplay Any_Dream_Will_Do.wav
Playing WAVE 'Any_Dream_Will_Do.wav' : Signed 16 bit Little Endian, Rate
44100



Janina Sajka				Phone: +1.202.494.7040
Partner, Capital Accessibility LLC	http://www.CapitalAccessibility.Com

Chair, Accessibility Workgroup		Free Standards Group (FSG)
janina@freestandards.org		http://a11y.org

If Linux can't solve your computing problem, you need a different problem.



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Re: No dmix with HDSP Multiface

[Takashi Iwai]

At Tue, 22 Mar 2005 13:05:10 -0500,
Janina Sajka wrote:
> 
> I have 1.0.9RC1 compiled and installed--but cannot get dmix to work. Am
> I going about it wrong? Or are there still known issues with dmix using
> RME hardware? Mine is a HDSP Multiface. Here's what I get:
> 
> #aplay -D dmix:SLAVE=\"hw:0,0\",RATE=48000 Any_Dream_Will_Do.wav
> ALSA lib conf.c:3808:(parse_args) Unknown parameter SLAVE
> ALSA lib conf.c:3930:(snd_config_expand) Parse arguments error: No such
> file or directory
> ALSA lib pcm.c:2070:(snd_pcm_open_noupdate) Unknown PCM
> dmix:SLAVE="hw:0,0",RATE=48000
> aplay: main:508: audio open error: No such file or directory
> [root@concerto 12:59:57] ~

The dmix PCM definition was slightly changed recently.  It no longer
takes SLAVE argument but CARD, DEV and SUBDEV.  For hw:0,0, it's like
	dmix:CARD=0,DEV=0,RATE=48000

The default card and device are both 0, and the default rate is 48000,
in the case above, you don't need to pass arguments.  Just run like

	% aplay -Dplug:dmix foo.wav


Takashi


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Re: No dmix with HDSP Multiface

[Janina Sajka]

Takashi Iwai writes:
> At Tue, 22 Mar 2005 13:05:10 -0500,
> Janina Sajka wrote:
> > 
> > I have 1.0.9RC1 compiled and installed--but cannot get dmix to work. Am
> > I going about it wrong? Or are there still known issues with dmix using
> > RME hardware? Mine is a HDSP Multiface. Here's what I get:
> >... snip snip ...
 
> The dmix PCM definition was slightly changed recently.  It no longer
> takes SLAVE argument but CARD, DEV and SUBDEV.  For hw:0,0, it's like
> 	dmix:CARD=0,DEV=0,RATE=48000
> 
> The default card and device are both 0, and the default rate is 48000,
> in the case above, you don't need to pass arguments.  Just run like
> 
> 	% aplay -Dplug:dmix foo.wav

Still no sound, though:

#aplay -Dplug:dmix Any_Dream_Will_Do.wav
ALSA lib pcm_direct.c:741:(snd_pcm_direct_initialize_slave) unable to
install hw params
ALSA lib pcm_dmix.c:728:(snd_pcm_dmix_open) unable to initialize slave
aplay: main:508: audio open error: Device or resource busy

PS: I'm also unable to address the mixer on the Multiface via amixer.
amixer contents includes:

numid=5,iface=HWDEP,name='Mixer'
  ; type=INTEGER,access=rw---,values=3,min=0,max=65536,step=1
  : values=0,0,65535

But, this was set using hdspmixer. I cannot seem to divine what
incantation to use to affect anything on numid=5 from the command line.

Is this possibly related?

				Janina

> 
> 
> Takashi

-- 

Janina Sajka				Phone: +1.202.494.7040
Partner, Capital Accessibility LLC	http://www.CapitalAccessibility.Com

Chair, Accessibility Workgroup		Free Standards Group (FSG)
janina@freestandards.org		http://a11y.org

If Linux can't solve your computing problem, you need a different problem.



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Re: No dmix with HDSP Multiface

[Takashi Iwai]

At Wed, 23 Mar 2005 10:59:08 -0500,
Janina Sajka wrote:
> 
> Takashi Iwai writes:
> > At Tue, 22 Mar 2005 13:05:10 -0500,
> > Janina Sajka wrote:
> > > 
> > > I have 1.0.9RC1 compiled and installed--but cannot get dmix to work. Am
> > > I going about it wrong? Or are there still known issues with dmix using
> > > RME hardware? Mine is a HDSP Multiface. Here's what I get:
> > >... snip snip ...
>  
> > The dmix PCM definition was slightly changed recently.  It no longer
> > takes SLAVE argument but CARD, DEV and SUBDEV.  For hw:0,0, it's like
> > 	dmix:CARD=0,DEV=0,RATE=48000
> > 
> > The default card and device are both 0, and the default rate is 48000,
> > in the case above, you don't need to pass arguments.  Just run like
> > 
> > 	% aplay -Dplug:dmix foo.wav
> 
> Still no sound, though:
> 
> #aplay -Dplug:dmix Any_Dream_Will_Do.wav
> ALSA lib pcm_direct.c:741:(snd_pcm_direct_initialize_slave) unable to
> install hw params

You need to specify FORMAT=S32_LE in the case of HDSP.
Add the following to ~/.asoundrc:

mydmix {
	type plug
	slave.pcm "dmix:FORMAT=S32_LE"
}		


Takashi


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Re: No dmix with HDSP Multiface

[Janina Sajka]

[-- Attachment #1: Type: text/plain, Size: 1945 bytes --]

Takashi Iwai writes:
> At Wed, 23 Mar 2005 10:59:08 -0500,
> Janina Sajka wrote:
> > 
> > Takashi Iwai writes:
> > > At Tue, 22 Mar 2005 13:05:10 -0500,
> > > Janina Sajka wrote:
> > > > 
> > > > I have 1.0.9RC1 compiled and installed--but cannot get dmix to work. Am
> > > > I going about it wrong? Or are there still known issues with dmix using
> > > > RME hardware? Mine is a HDSP Multiface. Here's what I get:
> > > >... snip snip ...
> >  
> > > The dmix PCM definition was slightly changed recently.  It no longer
> > > takes SLAVE argument but CARD, DEV and SUBDEV.  For hw:0,0, it's like
> > > 	dmix:CARD=0,DEV=0,RATE=48000
> > > 
> > > The default card and device are both 0, and the default rate is 48000,
> > > in the case above, you don't need to pass arguments.  Just run like
> > > 
> > > 	% aplay -Dplug:dmix foo.wav
> > 
> > Still no sound, though:
> > 
> > #aplay -Dplug:dmix Any_Dream_Will_Do.wav
> > ALSA lib pcm_direct.c:741:(snd_pcm_direct_initialize_slave) unable to
> > install hw params
> 
> You need to specify FORMAT=S32_LE in the case of HDSP.
> Add the following to ~/.asoundrc:
> 
> mydmix {
> 	type plug
> 	slave.pcm "dmix:FORMAT=S32_LE"
> }		
> 
> 
> Takashi
Regret to say still no response:

aplay -Dplug:dmix Any_Dream_Will_Do.wav
ALSA lib pcm_direct.c:741:(snd_pcm_direct_initialize_slave) unable to
install hw params
ALSA lib pcm_dmix.c:728:(snd_pcm_dmix_open) unable to initialize slave
aplay: main:508: audio open error: Device or resource busy
[root@concerto

Perhaps I misunderstand .asoundrc? Since that's very possible, I'm
attaching my current. Works to play directly and via spdif, but not
dmix
Thanks.
.


-- 

Janina Sajka				Phone: +1.202.494.7040
Partner, Capital Accessibility LLC	http://www.CapitalAccessibility.Com

Chair, Accessibility Workgroup		Free Standards Group (FSG)
janina@freestandards.org		http://a11y.org

If Linux can't solve your computing problem, you need a different problem.


[-- Attachment #2: .asoundrc --]
[-- Type: text/plain, Size: 479 bytes --]

pcm.hdsp {
        type hw
        card 0
}
ctl.hdsp {
        type hw
        card 0
}

pcm.hdsp_analog {
        type plug
        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.6.6 1
        ttable.7.7 1
        slave.pcm hdsp
}


pcm.hdsp_spdif {
    type plug
    ttable.0.16 1
    ttable.1.17 1
    slave.pcm hdsp
}

mydmix {
        type plug
        slave.pcm "dmix:FORMAT=S32_LE"
}
 

Re: No dmix with HDSP Multiface

[Takashi Iwai]

At Mon, 28 Mar 2005 16:12:48 -0500,
Janina Sajka wrote:
> 
> [1  <text/plain; us-ascii (7bit)>]
> Takashi Iwai writes:
> > At Wed, 23 Mar 2005 10:59:08 -0500,
> > Janina Sajka wrote:
> > > 
> > > Takashi Iwai writes:
> > > > At Tue, 22 Mar 2005 13:05:10 -0500,
> > > > Janina Sajka wrote:
> > > > > 
> > > > > I have 1.0.9RC1 compiled and installed--but cannot get dmix to work. Am
> > > > > I going about it wrong? Or are there still known issues with dmix using
> > > > > RME hardware? Mine is a HDSP Multiface. Here's what I get:
> > > > >... snip snip ...
> > >  
> > > > The dmix PCM definition was slightly changed recently.  It no longer
> > > > takes SLAVE argument but CARD, DEV and SUBDEV.  For hw:0,0, it's like
> > > > 	dmix:CARD=0,DEV=0,RATE=48000
> > > > 
> > > > The default card and device are both 0, and the default rate is 48000,
> > > > in the case above, you don't need to pass arguments.  Just run like
> > > > 
> > > > 	% aplay -Dplug:dmix foo.wav
> > > 
> > > Still no sound, though:
> > > 
> > > #aplay -Dplug:dmix Any_Dream_Will_Do.wav
> > > ALSA lib pcm_direct.c:741:(snd_pcm_direct_initialize_slave) unable to
> > > install hw params
> > 
> > You need to specify FORMAT=S32_LE in the case of HDSP.
> > Add the following to ~/.asoundrc:
> > 
> > mydmix {
> > 	type plug
> > 	slave.pcm "dmix:FORMAT=S32_LE"
> > }		
> > 
> > 
> > Takashi
> Regret to say still no response:
> 
> aplay -Dplug:dmix Any_Dream_Will_Do.wav
        ^^^^^^^^^^^
        -Dmymix

BTW, the above definition was wrong.  It must be like:

pcm.mydmix {
	type plug
	slave.pcm "dmix:FORMAT=S32_LE"
}


Takashi


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