Gale! Is it true? Which patch? http://www.pulseaudio.org/wiki/PerfectSetup#Audacity

[igorche]

Gale! Is it true? Which patch?

http://www.pulseaudio.org/wiki/PerfectSetup#Audacity
QUOTE:

Audacity

Audacity has now been packaged with a proper "alsa: pulse" device
listed, in a ppa for ubuntu intrepid. See
https://launchpad.net/~diwic/+archive

The following is information for versions without the pulseaudio patch:

Audacity doesn't support PulseAudio, nor Esound for the moment. You'll
have to kill or suspend pulseaudio before you use this application.
Audacity uses the PortAudio cross-platform Audio API which doesnt
support pulseaudio. Some work was started on making portaudio support
PulseAudio but this does not appear to be under active development
currently and does not work in it's current state.

Audacity can use OSS for sound input and sound output. By changing the
2 settings in preferences to /dev/dsp, and running audacity as

padsp audacity

you route OSS sound through pulseaudio and can have successful
playback and recording with audacity. You could also set the sound
input to be ALSA which (for regular users) is less likely to be
blocked by another application, as recording with multiple
applications at once is less commonly done

Using pasuspender to momentarily suspend pulseaudio is another way to
use Audacity.

pasuspender -- audacity <argument>

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[igorche]

This might be an ideal solution:

Using pasuspender to momentarily suspend pulseaudio is another way to
use Audacity.

pasuspender -- audacity <argument>

Actually, the most affected applications seem to be Skype and Ekiga.

I hope this works.


man pasuspender(1)
pasuspender(1)

NAME
       pasuspender - Temporarily suspend PulseAudio

SYNOPSIS
       pasuspender [options] -- PROGRAM [ARGUMENTS ...]

       pasuspender --help

       pasuspender --version

DESCRIPTION
       pasuspender is a tool that can be used to tell a local PulseAudio sound
       server to temporarily suspend access to the  audio  devices,  to  allow
       other  applications  access  them  directly.  pasuspender  will suspend
       access to the audio devices, fork a child process, and when  the  child
       process terminates, resume access again.

       Make sure to include -- in your pasuspender command line before passing
       the subprocess command line (as  shown  above).  Otherwise  pasuspender
       itself  might end up interpreting the command line switches and options
       you intended to pass to the subprocess.
 Manual page pasuspender(1) line 1



---------- Forwarded message ----------
From: Igor Chernenko <[hidden email]>
Date: Thu, Jul 9, 2009 at 1:08 AM
Subject: Gale! Is it true? Which patch?
http://www.pulseaudio.org/wiki/PerfectSetup#Audacity
To: [hidden email]


Gale! Is it true? Which patch?

http://www.pulseaudio.org/wiki/PerfectSetup#Audacity
QUOTE:

Audacity

Audacity has now been packaged with a proper "alsa: pulse" device
listed, in a ppa for ubuntu intrepid. See
https://launchpad.net/~diwic/+archive

The following is information for versions without the pulseaudio patch:

Audacity doesn't support PulseAudio, nor Esound for the moment. You'll
have to kill or suspend pulseaudio before you use this application.
Audacity uses the PortAudio cross-platform Audio API which doesnt
support pulseaudio. Some work was started on making portaudio support
PulseAudio but this does not appear to be under active development
currently and does not work in it's current state.

Audacity can use OSS for sound input and sound output. By changing the
2 settings in preferences to /dev/dsp, and running audacity as

padsp audacity

you route OSS sound through pulseaudio and can have successful
playback and recording with audacity. You could also set the sound
input to be ALSA which (for regular users) is less likely to be
blocked by another application, as recording with multiple
applications at once is less commonly done

Using pasuspender to momentarily suspend pulseaudio is another way to
use Audacity.

pasuspender -- audacity <argument>

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[Gale (Audacity Team)]

On Thu, 9 Jul 2009 01:08:33 +0200
Igor Chernenko <[hidden email]> wrote:

> Gale! Is it true? Which patch?
>
> http://www.pulseaudio.org/wiki/PerfectSetup#Audacity
> QUOTE:
>
> Audacity
>
> Audacity has now been packaged with a proper "alsa: pulse" device
> listed, in a ppa for ubuntu intrepid. See
> https://launchpad.net/~diwic/+archive

This is the ALSA:pulse device selectable using the Ubuntu 1.3.7
Audacity package in the Audio I/O tab of Preferences.

Not mentioned on the Pulse page (but as I recently mentioned),
we have incorporated a recent PortAudio patch intended to make
Pulse work better with PortAudio into our development code.
This improvement will therefore be in 1.3.8 when it is released
very shortly, and in the Ubuntu 1.3.8 repository build if/when  
they update it.



Gale


 


 

> The following is information for versions without the pulseaudio patch:
>
> Audacity doesn't support PulseAudio, nor Esound for the moment. You'll
> have to kill or suspend pulseaudio before you use this application.
> Audacity uses the PortAudio cross-platform Audio API which doesnt
> support pulseaudio. Some work was started on making portaudio support
> PulseAudio but this does not appear to be under active development
> currently and does not work in it's current state.
>
> Audacity can use OSS for sound input and sound output. By changing the
> 2 settings in preferences to /dev/dsp, and running audacity as
>
> padsp audacity
>
> you route OSS sound through pulseaudio and can have successful
> playback and recording with audacity. You could also set the sound
> input to be ALSA which (for regular users) is less likely to be
> blocked by another application, as recording with multiple
> applications at once is less commonly done
>
> Using pasuspender to momentarily suspend pulseaudio is another way to
> use Audacity.
>
> pasuspender -- audacity <argument>

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[igorche]

Hi Gale!

Many thanks for info!

It seems that my PulseAudio and/or Audacity are already patched with Ubuntu updates.
Now they behave in another way.

Nothing really helps.
The thing mutates like botnet.
I would not be surprised, if it has something to do with the evil.
If the thing is buggy and you have it on your Linux server,
one can easily install a bot to your server.
Soon we may have a new disaster, Linux botnets.

The problem of Linux servers infected with bots (and the kids running the servers)
was already discussed on The Register and Security Now! a year ago.
http://www.theregister.co.uk/
http://www.grc.com/securitynow.htm

Podcast feed:
http://leoville.tv/podcasts/sn.xml

Perhaps, OSS4 is the only solution which works today,
but tomorrow might be a new mutation of evil.

Best,
Igor

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[igorche]

It make sense to test the security of the PulseAudio
http://www.remote-exploit.org/backtrack.html

BackTrack is the most top rated linux live distribution focused on penetration testing. With no installation whatsoever, the analysis platform is started directly from the CD-Rom and is fully accessible within minutes.

It's evolved from the merge of the two wide spread distributions - Whax and Auditor Security Collection. By joining forces and replacing these distributions, BackTrack has gained massive popularity and was voted in 2006 as the #1 Security Live Distribution by insecure.org. Security professionals as well as new-comers are using BackTrack as their favorite toolset all over the globe.

BackTrack has a long history and was based on many different linux distributions until it is now based on a Slackware linux distribution and the corresponding live-CD scripts by Tomas M. (www.slax.org) . Every package, kernel configuration and script is optimized to be used by security penetration testers. Patches and automation have been added, applied or developed to provide a neat and ready-to-go environment.

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[igorche]

http://arstechnica.com/apple/news/2009/03/safari-successfully-exploited-in-seconds-in-pwn2own-contest.ars

Safari successfully exploited in seconds in Pwn2Own contest

As security researcher Charlie Miller predicted, he successfully gained control of a MacBook through an exploit of the Safari browser for the second year in a row at CanSecWest. Pwn2Own contestants also successfully hacked IE8 and FireFox 3 shortly thereafter.

By Chris Foresman | Last updated March 19, 2009 1:01 PM CT

http://cansecwest.com/

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