Re: [Alsa-user] Syncing multiple M-Audio Delta 1010LT cards using SPDIF + Envy24control + asoundrc

[Pasi <pa...@ik...>]

On Wed, Sep 07, 2005 at 11:55:08PM +0300, Pasi K=E4rkk=E4inen wrote:
> On Wed, Sep 07, 2005 at 11:01:43PM +0300, Tommi Sakari Uimonen wrote:
> > Hi.
> >=20
> > I have synced 1010LT with Delta Audiophile 2496 with SPDIF, but I used=
=20
> > ecasound to record from both of them.
> >
>=20
> Nice to hear some positive comments :)
>=20
> I installed two Delta 1010LT cards, but I'm not able to get jack running..
>=20
> $ cat /proc/asound/cards
> 0 [M1010LT        ]: ICE1712 - M Audio Delta 1010LT
>                      M Audio Delta 1010LT at 0x5400, irq 66
> 1 [M1010LT_1      ]: ICE1712 - M Audio Delta 1010LT
>                      M Audio Delta 1010LT at 0x6800, irq 82
>=20
>=20
> .asoundrc available from: http://nrg.joroinen.fi/asoundrc-delta.txt
>=20
> Jack won't start.. I get this error:
>

Got it working.. but only for capture, or only for playback.

The problem seems to be related to asymmetric channel count on this card.

If I set "slaves.a.channels 12" and "slaves.b.channels 12" in asoundrc, the
capturing will work (-C parameter for jack).

If I set the a and b channels to 10, only the playback will work with jack
(-P parameter for jack).

10 outputs and 12 inputs.. how should I specify the channels/routings in
asoundrc to make both capturing and playback working at the same time?

Thanks!

-- Pasi

=20
> $ jackd -v -d alsa -d jackmulti -r 44100  -p 512
>=20
> getting driver descriptor from /usr/lib/libjack0.100.0-0/jack_alsa.so
> getting driver descriptor from /usr/lib/libjack0.100.0-0/jack_dummy.so
> getting driver descriptor from /usr/lib/libjack0.100.0-0/jack_oss.so
> jackd 0.100.0
> Copyright 2001-2005 Paul Davis and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
>=20
> JACK compiled with System V SHM support.
> server =04efault' registered
> loading driver ..
> apparent rate =3D 44100
> creating alsa driver ...
> jackmulti|jackmulti|512|2|44100|0|0|nomon|swmeter|-|32bit
> configuring for 44100Hz, period =3D 512 frames, buffer =3D 2 periods
> nperiods =3D 2 for capture
> ALSA: no playback configurations available (Invalid argument)
> ALSA: cannot configure playback channel
> cannot load driver module alsa
> registered builtin port type 32 bit float mono audio
> running with uid=3D0 and euid=3D0, will not try to use capabilites
> new client: alsa_pcm, id =3D 1 type 1 @ 0x8058900 fd =3D -1
> starting server engine shutdown
> freeing shared port segments
> stopping server thread
> last xrun delay: 0.000 usecs
> max delay reported by backend: 0.000 usecs
> freeing engine shared memory
> max usecs: 0.000, engine deleted
> no message buffer overruns
> cleaning up shared memory
> cleaning up files
> unregistering server `default'
>=20
>=20
> Any ideas?=20
>=20
> ALSA: no playback configurations available (Invalid argument)
> ALSA: cannot configure playback channel
>=20
> I wonder what causes that..
>=20
> Jack will run fine when using either "hw:0" or "hw:1".
>=20
>=20
> =20
> > Tommi
> >=20
>=20
> -- Pasi
>       =20
>                                    ^
>                                 .     .
>                                  Linux
>                               /    -    \
>                              Choice.of.the
>                            .Next.Generation.
>=20
>=20
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