Re: [LAD] alsa card order

On Wed, 29 Apr 2009 17:55:28 +0200
Fons Adriaensen <fons@email-addr-hidden> wrote:

> On Wed, Apr 29, 2009 at 07:45:31AM -0400, Paul Davis wrote:
>
> > On Wed, Apr 29, 2009 at 5:09 AM, Fons Adriaensen
> > <fons@email-addr-hidden> wrote:
> > >
> > > How do you start jackd on an alsa hw device without
> > > knowing the index (in a non-interactive way, e.g.
> > > from a script) ?
> >
> > jack ... -d alsa -d AnyALSA:deviceName,WillDo ....
>
> I did not find anything that seems to work.
> Can you suggest what name to use given:
>
> fons@email-addr-hidden:~> aplay -L
> default:CARD=I82801DBICH4
> Intel 82801DB-ICH4, Intel 82801DB-ICH4
> Default Audio Device
> front:CARD=I82801DBICH4,DEV=0
> Intel 82801DB-ICH4, Intel 82801DB-ICH4
> Front speakers
> surround40:CARD=I82801DBICH4,DEV=0
> Intel 82801DB-ICH4, Intel 82801DB-ICH4
> 4.0 Surround output to Front and Rear speakers
> surround41:CARD=I82801DBICH4,DEV=0
> Intel 82801DB-ICH4, Intel 82801DB-ICH4
> 4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=I82801DBICH4,DEV=0
> Intel 82801DB-ICH4, Intel 82801DB-ICH4
> 5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=I82801DBICH4,DEV=0
> Intel 82801DB-ICH4, Intel 82801DB-ICH4
> 5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> iec958:CARD=I82801DBICH4,DEV=0
> Intel 82801DB-ICH4, Intel 82801DB-ICH4 - IEC958
> IEC958 (S/PDIF) Digital Audio Output
> null
> Discard all samples (playback) or generate zero samples (capture)
> default:CARD=EWS88MT
> TerraTec EWS88MT, ICE1712 multi
> Default Audio Device
> fons@email-addr-hidden:~>
> fons@email-addr-hidden:~>
> fons@email-addr-hidden:~> cat /proc/asound/cards
> 0 [I82801DBICH4 ]: ICH4 - Intel 82801DB-ICH4
> Intel 82801DB-ICH4 with ALC650E at irq 17
> 1 [UART ]: MPU-401 UART - MPU-401 UART
> MPU-401 UART at 0x300, irq 10
> 2 [EWS88MT ]: ICE1712 - TerraTec EWS88MT
> TerraTec EWS88MT at 0xac00, irq 21
> fons@email-addr-hidden:~>
> fons@email-addr-hidden:~> cat /proc/asound/devices
> 2: : timer
> 3: [ 1- 0]: raw midi
> 4: [ 1] : control
> 5: : sequencer
> 6: [ 2- 0]: raw midi
> 7: [ 2- 2]: digital audio playback
> 8: [ 2- 1]: digital audio playback
> 9: [ 2- 1]: digital audio capture
> 10: [ 2- 0]: digital audio playback
> 11: [ 2- 0]: digital audio capture
> 12: [ 2] : control
> 13: [ 0- 4]: digital audio playback
> 14: [ 0- 3]: digital audio capture
> 15: [ 0- 2]: digital audio capture
> 16: [ 0- 1]: digital audio capture
> 17: [ 0- 0]: digital audio playback
> 18: [ 0- 0]: digital audio capture
> 19: [ 0] : control
> fons@email-addr-hidden:~>
>

In my case, excerpt of aplay -L:
...
default:CARD=UA25
    UA-25, USB Audio
    Default Audio Device
...

In qjackctl:
hw:UA25

So for the terratec that would be:
hw:EWS88MT

aplay -l lists the usable subdevices as well, usually you can use them
with like hw:0,2 or something like that, so I guess
[devicename],[subdevicenumber] could work as well.

HTH
Regards,
Philipp
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Received on Wed Apr 29 20:15:03 2009