[LAU] JACK and Sound OpenFirmware?

[Mario Lang]

Len Ovens <len at ovenwerks.net> writes:

> On Wed, 19 Aug 2020, Wim Taymans wrote:
>
>> I have the same model here. It does not seem to like period sizes that
>> are nice powers of 2. This works for me:
>>
>> jackd -d alsa -p 1032
>>
>> other period sizes that work: 120, 264, 504, 2040
>
> All out by 8.

> The next question would be: does 136,

No.

> 248,

No.

> 520,

No.

> 1016

No.

> and 2056

No.

> work as well?
>
> The next question after that, is which applications and plugins choke
> on non-power of two buffer sizes...

What I'd find much more interesting to think about is: What do we need
to do to fix sof?  After all, it has "Open Firmware" in its name, so I
am assuming we should be able to fix bugs even at the firmware level.

>> On Tue, 18 Aug 2020 at 15:24, Mario Lang <mlang at blind.guru> wrote:
>>>
>>> Hi.
>>>
>>> With kernel 5.7, my system finally switched over to snd_sof_pci for the
>>> intenal card.  I can use mpv and alike via alsa directly, but
>>> when I try to start JACK I always get the following message:
>>>
>>> ALSA: cannot set period size to 1024 frames for playback
>
> --
> Len Ovens
> www.ovenwerks.net
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>

-- 
CYa,
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