[LAU] PulseAudio

[Ray Rashif]

I am with Arnold's opinion on this. In summary:

* PulseAudio is not a JACK replacement

On 14/04/2008, Arnold Krille <arnold at arnoldarts.de> wrote:
>
> Am Montag, 14. April 2008 schrieb Ken Restivo:
>
> > On Tue, Apr 08, 2008 at 10:44:00AM +0200, Alberto Botti wrote:
> > > Il giorno mar, 08/04/2008 alle 09.53 +0200, hollunder at gmx.at ha
> scritto:
> > > > Of course, PA and jack don't work together either (at the same time
> on
> > > > the same device(interface?) at least). Both need full access.
> > > I've not tried it yet, but recent versions of PulseAudio have a JACK
> > > sink...
>
> > Maybe I am confused.
> > Is PulseAudio a replacement for ALSA or does it sit on top of ALSA?
>
>
> No, PulseAudio sits on top of Alsa like any other sound-library/-server.
>
>
> > Is it even attempting to be a replacement for JACK in terms of pro-audio
> > real-time low-latency?
>
>
> No more than for example aRts did...
>
>
> > Or is it a replacement for esd or whatever sound daemon or the GNOME or
> KDE
> > daemon thing use?
>
>
> It aims to be _the_ replacement for life, the universe and everything. And
> in
> my oppinion it will fail big time.
> Back when KDE did choose aRts for the central soundsystem, there was soon
> the
> call for one soundsystem for all desktops. So there was an attempt to
> adopt
> aRts to gnome. After a lot of work from the aRts dev, gnome decided to go
> with esd...
> Now KDE introduces a big multimedia-framework that will truly be portable.
> (Note that a multimedia-framework is better then a sound-framework for
> desktop use, because it includes both audio and video in one api.) Phonon
> will be shipped with Qt and therefor every platform Qt supports will
> sooner
> or later have a working Phonon-backend.
> Where does PulseAudio come into that picture? - When the gnome-guys
> realized
> that esd is out of date and they want a new api/lib. Unfortunately they
> decided to a) write their own and not adopt what is there and b) to go
> audio-only which means no chance of KDE adopting it (apart from the fact
> that
> kde already has Phonon). So PulseAudio is by design not _the_ solution for
> sound on the desktop. It is just another middle-layer for sound. And why
> should a desktop-app-dev adopt PulseAudio when he would have to use
> another
> api/lib for video? Isn't it better to use one api/lib that has both and
> even
> does them in sync?
> And PulseAudio claims to unify both desktop-needs and pro-audio-needs.
> Another
> place it will fail big time. Because it will never be good enough to have
> ardour use PulseAudio. (Hint: Jack was designed for ardour...)
>
>
> > If so, how is PulseAudio any different from any other desktop sound
> daemon
> > that JACK users have been disabling since time immemorial?
>
>
> PulseAudio is just another api/lib accessing the various sound-daemons we
> always disable.
>
> Much personal opinion...
>
> Arnold
>
> --
> visit http://www.arnoldarts.de/
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