Re: [LAU] perhaps why some of us have more trouble w/ pulseaudio than others (ICE1712/M-audio delta problem w/ pulseaudio)

From: david <gnome@email-addr-hidden>
Date: Wed May 12 2010 - 10:53:30 EEST

Hartmut Noack wrote:
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> Am 12.05.2010 00:47, schrieb Fons Adriaensen:
>> On Tue, May 11, 2010 at 10:08:20AM -0700, Fernando Lopez-Lezcano wrote:
>>
>>> On Tue, 2010-05-11 at 17:27 +0200, ailo wrote:
>>>> On 05/11/2010 03:58 PM, Gabriel M. Beddingfield wrote:
>>>>>
>>>>> On Tue, 11 May 2010, ailo wrote:
>>>>>
>>>>>> How do other multi-channel pro audio cards work with pulseaudio?
>>>>>> Is only ice1712 affected?
>>>>>>
>>>>>> I only have experience with m-audio delta cards.
>>>>> m-audio delta cards are ice1712 cards.
>>>>> http://alsa.opensrc.org/index.php/ice1712
>>>>>
>>>> To clarify, I meant to ask if chips, other than ice1712 are affected.
>>> Big multichannel rme cards are also affected (obviously). In those cases
>>> the workaround I have to deltas did not work (too many channels?)
>>>
>>> On the other hand, I _think_ (but I'm not positive now that I think
>>> about it) that the 8 channel gina/layla3g worked fine, I would have to
>>> test again.
>> Given that PA aims to be a desktop audio server catering for
>> the 'standard' formats such as stereo and 5.1, it really can't
>> be blamed for not knowing what to do with a card that presents
>> N (N >= 8) identical channels. And I'm somehow surprised if
>> users of such cards (who probably use Jack anyway) expect PA
>> to handle this OOTB.
>
> So would it not be the most easy and non-obtrusive solution for
> everybody involved, if PA just treats every card, that does not follow
> "desktop-standards" as a simple stereo-device?
> Desktop-audio/legacy-stuff would go to the first 2 ports of such a card
> via PA (using its JACK-sink if JACK is running and switching to it as
> JACK ist started) and everything else would be handeled by JACK on the
> users behest.
>
> Thus PA would not be seen as a trouble-maker, but as a solution most
> welcome.

It would still be a trouble-maker. There's no guarantee that the first 2
ports of any such multi-port card are being routed to what PA would
(presumably) be assuming are the appropriate stereo channels out.

> And the PA-people would not need to add handling of drivers for
> un-desktopish hardware to their to-do lists.
>
> Everybody could be happy :-)
>
>> The obvious solution for them is to use
>> the PA<->Jack bridge which is reported to work well.

IMHO, the obvious solution would be for them to simply stop wasting
their time on PA and make an existing and better solution (JACK) better. ;-)

-- 
David
gnome@email-addr-hidden
authenticity, honesty, community
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Received on Wed May 12 12:15:02 2010

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