Re: Including a system-wide pulseaudio equalizer

2010-05-12 Thread sam tygier
On 11/05/10 09:20, Luke Yelavich wrote:
 On Tue, May 11, 2010 at 08:15:30AM CEST, Chandru wrote:
 The default media players in Ubuntu, though quite capable do not have
 graphical equalizers.  Rather than including an equalizer in every
 application, having a system wide equalizer can be very handy especially
 when playing online videos.

 I personally think that users will get confused with an EQ. If they find it, 
 adjust something, and find sound is not as good, they will file bugs 
 regarding sound problems that they have caused.

 I personally think we need to think very very carefully about how we 
 implement EQ, and whether it is needed by the vast majority of people.

 Luke


The solution to bugs like this is to make apport upload the equalizer settings 
(i think it already does with the volume settings).

sam


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Re: Including a system-wide pulseaudio equalizer

2010-05-12 Thread Daniel Chen
On Wed, May 12, 2010 at 11:03 AM, sam tygier samtyg...@yahoo.co.uk wrote:
 The solution to bugs like this is to make apport upload the equalizer 
 settings (i think it already does with the volume settings).

It uploads the *alsa* mixer perspective, which may be desynced from
pulse's idea of those settings (which shouldn't be the case, but...).

Best,
-Dan

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Re: Including a system-wide pulseaudio equalizer

2010-05-12 Thread sam tygier
On 12/05/10 10:07, Daniel Chen wrote:
 On Wed, May 12, 2010 at 11:03 AM, sam tygiersamtyg...@yahoo.co.uk  wrote:
 The solution to bugs like this is to make apport upload the equalizer 
 settings (i think it already does with the volume settings).

 It uploads the *alsa* mixer perspective, which may be desynced from
 pulse's idea of those settings (which shouldn't be the case, but...).

 Best,
 -Dan

is it technically possible/easy to upload pulse's state as well?

sam


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Re: Including a system-wide pulseaudio equalizer

2010-05-12 Thread Daniel Chen
On Wed, May 12, 2010 at 11:36 AM, sam tygier samtyg...@yahoo.co.uk wrote:
 is it technically possible/easy to upload pulse's state as well?

Sure, pacmd list-sinks.

Best,
-Dan

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Including a system-wide pulseaudio equalizer

2010-05-11 Thread Chandru
The default media players in Ubuntu, though quite capable do not have
graphical equalizers.  Rather than including an equalizer in every
application, having a system wide equalizer can be very handy especially
when playing online videos.

I've been using
https://code.launchpad.net/~psyke83/+junk/pulseaudio-equalizer with Lucid
and found it sufficiently capable.  It will be really nice if this can be
included in universe for Maverick and gradually made available as part of
the default installation in future releases once it gets further polished
with community's feedback.

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Daniel Chen
On Tue, May 11, 2010 at 8:15 AM, Chandru chandru...@gmail.com wrote:
 I've been
 using https://code.launchpad.net/~psyke83/+junk/pulseaudio-equalizer with
 Lucid and found it sufficiently capable.  It will be really nice if this can
 be included in universe for Maverick and gradually made available as part of
 the default installation in future releases once it gets further polished
 with community's feedback.

Two thoughts:
This would entail switching to the master (or trunk) branch of
upstream git, correct? Maverick currently tracks the stable-queue
branch.

Also, this should be packaged and submitted for inclusion into the
Ubuntu repositories following procedure
(https://wiki.ubuntu.com/UbuntuDevelopment/NewPackages).

Best,
-Dan

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Luke Yelavich
On Tue, May 11, 2010 at 08:15:30AM CEST, Chandru wrote:
 The default media players in Ubuntu, though quite capable do not have
 graphical equalizers.  Rather than including an equalizer in every
 application, having a system wide equalizer can be very handy especially
 when playing online videos.

I personally think that users will get confused with an EQ. If they find it, 
adjust something, and find sound is not as good, they will file bugs regarding 
sound problems that they have caused.

I personally think we need to think very very carefully about how we implement 
EQ, and whether it is needed by the vast majority of people.

Luke

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Chandru
My suggestion was to just get the app into the official repos initially.
 Based on Daniel's reply I've sent a mail to the developer suggesting him to
submit the application.

If users find it useful they'd at least be able to install and use it
easily.
--
Chandra Sekar.S


On Tue, May 11, 2010 at 1:50 PM, Luke Yelavich them...@ubuntu.com wrote:

 On Tue, May 11, 2010 at 08:15:30AM CEST, Chandru wrote:
  The default media players in Ubuntu, though quite capable do not have
  graphical equalizers.  Rather than including an equalizer in every
  application, having a system wide equalizer can be very handy especially
  when playing online videos.

 I personally think that users will get confused with an EQ. If they find
 it, adjust something, and find sound is not as good, they will file bugs
 regarding sound problems that they have caused.

 I personally think we need to think very very carefully about how we
 implement EQ, and whether it is needed by the vast majority of people.

 Luke

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Daniel Chen
On Tue, May 11, 2010 at 10:30 AM, Chandru chandru...@gmail.com wrote:
 My suggestion was to just get the app into the official repos initially.
  Based on Daniel's reply I've sent a mail to the developer suggesting him to
 submit the application.

It would be even more useful to work alongside him to get it into Maverick.

Best,
-Dan

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Dmitrijs Ledkovs
On 11 May 2010 09:20, Luke Yelavich them...@ubuntu.com wrote:
 On Tue, May 11, 2010 at 08:15:30AM CEST, Chandru wrote:
 The default media players in Ubuntu, though quite capable do not have
 graphical equalizers.  Rather than including an equalizer in every
 application, having a system wide equalizer can be very handy especially
 when playing online videos.

 I personally think that users will get confused with an EQ. If they find it, 
 adjust something, and find sound is not as good, they will file bugs 
 regarding sound problems that they have caused.


Yeah I'm Engineering Major and have no clue which slider to move to
hear what i want =)

But with every music player I use I've always went into the equaliser,
was choosing between preset options. Finding the one I like best and
always increased the pre-amplifier to get louder music.

I would find it extremely useful to do that just once for all apps
that produce sound.

As for bugs I was annoyed that speakers on my laptop were quieter
under ubuntu until I was told to use EQ to crank the speakers higher
without getting distortion when the sound is maxed out.

 I personally think we need to think very very carefully about how we 
 implement EQ, and whether it is needed by the vast majority of people.


Why can't the EQ be inside the sound properties the one you get to
from current VolumeIndicator - Preferences?

That would be Hidden enough yet Findable enough =)

 Luke


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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Chris Jones
Including a system-wide eq sounds great and all, but it's probably more
difficult than what it initially seems. Especially considering the variety
of codecs and output configs and methods that we all have running. eg.
gstreamer, xine, vlc, mplayer, xmms just to name a few. So I can't see how a
system-wide eq could work.
I use vlc personally for both video and audio and do enjoy it's built in
equalizer.


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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Loïc Martin
On 11 May 2010 10:20, Luke Yelavich them...@ubuntu.com wrote:
 I personally think that users will get confused with an EQ. If they find it, 
 adjust something, and find sound is not as good, they will file bugs 
 regarding sound problems that they have caused.

 I personally think we need to think very very carefully about how we 
 implement EQ, and whether it is needed by the vast majority of people.

I agree, and I reckon it would be the same mess if we ever allowed
ever users to change the size of the desktop font, or mess up with the
sound volume. Or move windows around.

Oh wait...

Loïc

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Conn O'Griofa
On Tue, May 11, 2010 at 7:21 AM, Daniel Chen seven.st...@gmail.com wrote:
 Two thoughts:
 This would entail switching to the master (or trunk) branch of
 upstream git, correct? Maverick currently tracks the stable-queue
 branch.

No, my equalizer is merely a wrapper script that takes advantage of
PulseAudio's module-ladspa-sink module (which has been included by
PulseAudio for quite some time, but only stable since the 0.9.19
series) with an EQ LADSPA plugin.

The script works by removing/(re)inserting the aforementioned module
with the equalization parameters on a running server via pacmd, and
optionally saving such configuration to the users's
~/.pulse/default.pa configuration file.

Although Chandru linked to the source, there are also packages
available (for Lucid and Karmic) if anybody is interested.

See here: http://ubuntuforums.org/showthread.php?t=1308838
Directly link to my PPA: https://launchpad.net/~psyke83/+archive/ppa

It was also included in Fedora 12's repository (though I am not the maintainer).

 Also, this should be packaged and submitted for inclusion into the
 Ubuntu repositories following procedure
 (https://wiki.ubuntu.com/UbuntuDevelopment/NewPackages).

I replied directly to Chandru on this issue without awareness of this
thread, so let me now copy  paste to the list (and I'd be interested
to know if there's still any demand for the submission):

---
Hi,

Getting pulseaudio-equalizer included into Lucid would have been
ideal, but due to lack of time and problems with my development
machine, I didn't get to make the submission before the freeze
deadline.

Moving forward, I'm not so sure that the equalizer has a long future
in its current incarnation; the latest PulseAudio upstream code
(non-stable branch) includes a native equalizer [1] which offers
better quality than what can be provided through my equalizer (which
uses a LADSPA plugin).

So, for Lucid+1, perhaps there is potential to take the GUI part of my
pulseaudio-equalizer code and adapt it to be used by the native
PulseAudio equalizer. My GUI is GTK-based, whereas the native
equalizer only has a QT-based interface available (pqaeq). There's
nothing wrong with QT, but GTK-based applications would be preferred
for the regular Ubuntu (i.e., GNOME-based) desktop flavour. Let's wait
and see what happens.

Thanks,
Conn

[1] This branch may be obsolete now that the equalizer is included
upstream by default - I haven't followed developments recently. Here
it is: http://gitorious.org/pulseaudio-equalizer

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Re: Including a system-wide pulseaudio equalizer

2010-05-11 Thread Daniel Chen
On Wed, May 12, 2010 at 1:08 AM, Conn O'Griofa connogri...@gmail.com wrote:
 [1] This branch may be obsolete now that the equalizer is included
 upstream by default - I haven't followed developments recently. Here
 it is: http://gitorious.org/pulseaudio-equalizer

Right, which is now in the master trunk of upstream pulseaudio git.

Best,
-Dan

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