Xen users - Aug 2007 - Virtual Sound Support to PV guests

Hello all

I am Avadhoot, a student doing masters in computer science. Presently I am
working on virtualization and that is why this email. I am a newbie to the
Linux kernel and for past 4-5 months I have been reading various research
papers on VMware and Xen.

I have plans to do a project of duration one year and I am thinking of
implementing virtual sound support to PV guests in Xen. From Xen wiki, I
came to know that Mark sir is already working on it but when I mailed him,
he replied that he had stopped it. Is it a good idea to do this project ? Or
is anyone else already working on it ?

Regards,
Avadhoot


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Hi Avadhoot,
> I have plans to do a project of duration one year and I am thinking of
> implementing virtual sound support to PV guests in Xen. From Xen wiki,
> I came to know that Mark sir is already working on it but when I
> mailed him, he replied that he had stopped it.
what where the reasons why he stopped the project?
> Is it a good idea to do this project ? Or is anyone else already
> working on it ?
Think about what is usualy done with PV guests and how they are usualy
accessed. As far as my information reaches, most people use PV guest to
consolidate linux servers on one machine, mostly accessed with ssh and
without graphical gui. Do these people need any audio support?

I think that audio support may be interesting in HMV guests where you
use a graphical GUI via SDL, VNC or RDP to work on a Windows guest

But this is only MY opinion, wait for other, more competent answers and
really think about where it could be usefull and who has a benefit from
it. I''m quite sure that I forgot several scenarios where it could be
quite usefull!

-- 

Chau y hasta luego,

Thorolf

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On Mon, Aug 27, 2007 at 04:13:01PM +0200, Thorolf Godawa
wrote:
> Hi Avadhoot,
> 
> >I have plans to do a project of duration one year and I am thinking of
> >implementing virtual sound support to PV guests in Xen. From Xen wiki,
> >I came to know that Mark sir is already working on it but when I
> >mailed him, he replied that he had stopped it.
> what where the reasons why he stopped the project?
> 
> >Is it a good idea to do this project ? Or is anyone else already
> >working on it ?
> Think about what is usualy done with PV guests and how they are usualy
> accessed. As far as my information reaches, most people use PV guest to
> consolidate linux servers on one machine, mostly accessed with ssh and
> without graphical gui. Do these people need any audio support?
> 
> I think that audio support may be interesting in HMV guests where you
> use a graphical GUI via SDL, VNC or RDP to work on a Windows guest
> 
> But this is only MY opinion, wait for other, more competent answers and
> really think about where it could be usefull and who has a benefit from
> it. I''m quite sure that I forgot several scenarios where it could
be
> quite usefull!
Consider a home media/phone server scenario.
You might want to isolate whole house music from 
VDR and video playback and asterix.
However, unless you''re talking about a dedicated appliance
with a non-x86 CPU, it would probably be less of a headache to
just use something like pulseaudio or jack in a network model.
(Why invent a new and different flavor of abstraction when there
are existing broken ones to almost meet your needs?).

If I were looking at such a project as a way to do things efficiently,
I''d probably punt to the ARM folks and the Symbian folks for ideas
on providing isolated concurrent audio access.
-- 
Chris Dukes
< elfick> willg: you can''t use dell to beat people, it
wouldn''t stand up
to the strain... much like attacking a tank with a wiffle bat

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