[PD] RPI Alsa mmap support
jbeezez at gmail.com
Fri May 10 12:02:38 CEST 2013
Not sure if the 2 are related but presuming they are...
I've just been testing an ESI UDJ6 soundcard and the image I backed up
before updating the firmware would only run the card with the usb and
ethernet slowdown options. Post rpi-update got 6 channels of audio without
either slowdown required though I think it does run better (less system
resources) with both options enabled.
My trusty ol' Griffin just 'works' with both installs so didn't notice any
difference but I haven't yet checked whether usb slowdown is still required
for duplex with that soundcard as of yet.
This is on a rev1 256meg board btw.
On 8 May 2013 14:33, Pierre Massat <pimassat at gmail.com> wrote:
> hi Julian,
> Could you please tell us what difference this makes in terms of
> performance ? Do you use JACK ? Is this any better than with Pd only ?
> 2013/5/8 Julian Brooks <jbeezez at gmail.com>
>> Thanks to Dan for the
>> 'update alsa mmap' command'
>> Thought I'd buggered up my install until I ran that command, now all
>> happy again.
>> On 4 May 2013 20:18, Julian Brooks <jbeezez at gmail.com> wrote:
>>> Hi all,
>>> Dunno if everyone's on this already but looks useful:
>>> From here:
>>> Not tested as of yet but anything that squeezes a bit more audio
>>> performance out of the RPi is to be welcomed.
>>> rpi-update ahoy,
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