[PlanetCCRMA] USB (& firewire) interface

[Sean Beeson]

err, sorry... my .asoundrc file.

--Sean

On 5/14/10, Sean Beeson <seanbeeson at gmail.com> wrote:
> Simon,
>
> This is my
>
> # create a virtual four-channel device with two sound devices:
> # This is in fact two interleaved stereo streams in
> # different memory locations, so JACK will complain that it
> # cannot get mmap-based access. see below.
>
> pcm.multi {
>         type multi;
>         slaves.a.pcm "hw:4,0";
>         slaves.a.channels 2;
>         slaves.b.pcm "hw:4,1";
>         slaves.b.channels 2;
>         bindings.0.slave a;
>         bindings.0.channel 0;
>         bindings.1.slave a;
>         bindings.1.channel 1;
>         bindings.2.slave b;
>         bindings.2.channel 0;
>         bindings.3.slave b;
>         bindings.3.channel 1;
> }
>
> # JACK will be unhappy if there is no mixer to talk to, so we set
> # this to card 0. This could be any device but 0 is easy.
>
> ctl.multi {
>         type hw;
>         card 4;
> }
>
> # This creates a 4 channel interleaved pcm stream based on
> # the multi device. JACK will work with this one.
>
> pcm.ttable {
>         type route;
>         slave.pcm "multi";
>         slave.channels 4;
>         ttable.0.0 1;
>         ttable.1.1 1;
>
> }
> # see above.
> ctl.ttable {
>         type hw;
>         card 4;
> }
>
>
> At first I had to make a etc/modprobe.d/somename file to force my card
> to have the same place on each bootup. I have a M-Audio FTP and used
> these settings in it:
> http://alsa.opensrc.org/index.php/M-Audio_FastTrack_Pro You'll  have
> to figure out the right thing for your card.
>
> I had to read all the following to figure it out.
>
> http://alsa.opensrc.org/index.php/.asoundrc
> http://alsa.opensrc.org/index.php/TwoCardsAsOne
> http://alsa.opensrc.org/index.php/MultipleCards
> http://alsa.opensrc.org/index.php/MultipleUSBAudioDevices
>
> Alsa sees it, Jack still is not seeing it. Someone in another thread
> has given me a link to check about that.
>
> -Sean
>