Re: [Alsa-user] splitting a 4 channel usb sound card into master and headphone

[Charles M. <key...@gm...>]

Yeah. I tried that already. Doesn't work.

On Sun, Feb 4, 2018 at 1:16 AM Samuel Nicholas <nic...@gm...>
wrote:

> So whilst really trying to get my head around the syntax of the
> configuration files, I figured the only way i truly could was to read
> the source code.
>
> whilst i was doing that i found this interesting configuration file
> src/conf/cards/USB-Audio.conf
>
> on lines 22 starts the description of configuring the usb device to be
> two stereo devices not  a surround40
>
> I'm not at home with my mix deck so cant test but its promising, i
> might be able to fix not just my personal configuration but submit a
> pull request to fix everyone's
>
> On 2 February 2018 at 18:08, Samuel Nicholas <nic...@gm...>
> wrote:
> >  this sounds exactly like what i am trying, first step for me is to
> > familiarise myself with the asoundrc syntax and capabilities. i'll
> > report back once i have something interesting
> >
> > On 2 February 2018 at 17:40, Charles Mulder <key...@gm...>
> wrote:
> >> Hi Samuel.
> >>
> >> I think I have a similar problem with the Audient iD14. Maybe we could
> >> collaborate?
> >>
> >> I haven't received many responses from the mailing list, so grateful for
> >> Robert Bielik's suggestion.
> >>
> >> Looks like the dshare plugin has some parameters I'm not familiar with.
> >> What's new?! :-) Hope I can find information to demystify. Will share
> when I
> >> do. Please do the same.
> >>
> >> As a backup I have started reading Linux Device Drivers and have asked
> >> Audient for their help.
> >>
> >> Here are some other resources I have found.
> >>
> >> A close look at ALSA
> >> Linux ALSA sound notes
> >> Writing an ALSA Driver
> >> ALSA Runtime arguments in configuration files
> >>
> >> My strategy has just been to read and reread and keep trying to figure
> it
> >> out. I imagine it's going to take some time. :-)
> >>
> >> Charles
> >>
> >> On Thu, Feb 1, 2018 at 11:09 PM Samuel Nicholas <
> nic...@gm...>
> >> wrote:
> >>>
> >>> Hi,
> >>>
> >>> I have a Pioneer DDJ-WeGO, 4 channel USB device that outputs stereo
> >>> master and stereo headphone.
> >>> I've been scouring the internet trying to find out how I can possibly
> >>> split up the ports as it presents as a surround 4.0 device.
> >>>
> >>> So far I've come up with nothing except an remapping in pulseaudio
> >>> that is super ugly to use.
> >>> I really would like to solve this at the lowest possible layer.
> >>>
> >>> U have udev rules to discriminate the device working fine.
> >>>
> >>> Is there any way to do this with alsa?
> >>>
> >>> Cheers for any help,
> >>> Samuel.
> >>>
> >>>
> >>>
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> >>
> >> --
> >> Charles Mulder
> >> Software Engineer/Musician
> >> mobile: +27 83 653 3698 <+27%2083%20653%203698>
> >> phone: +27 27 948 2592 <+27%2027%20948%202592>
> >> skype: charliemurder
>
>
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-- 
Charles Mulder
Software Engineer/Musician
mobile: +27 83 653 3698
phone: +27 27 948 2592
skype: charliemurder