Re: [Rosegarden-user] Real-time Linux needed?

2011-02-26 Thread jimmy

If I remember correctly, real-time schedule and high resolution stuff used to 
be separate code patched to the main-line Linux kernel.  They were merged into 
the main Linux kernel around 2.6.30 (+/- a couple minor revisions, pardon my 
memory).

Those real-time folks took a little time off for one or two minor releases, but 
then started to work on new real-time patches to the kernel again.

For basic usage including audio and Midi, the standard kernel has all the code 
there already for most of us, no need to apply the current real-time patch.  
The only thing is there are various options including the 1000Hz clock 
frequency that Rosegarden checks for, they need to be enabled at compile time 
(of the kernel).  If your default distribution doesn't enable the 1000Hz clock, 
you may ask around within your distribution circle/forum on how to get that, or 
how to compile your own.

Even with the 1000Hz option enable, you may still need to add couple of lines 
in your one or two configuration files to allow a particular user-id to use it.

Jimmy



  

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Re: [Rosegarden-user] Compiling V11.06 with Qt 4.5.3 Fails

2011-09-19 Thread jimmy


--- On Fri, 9 Sep 2011 21:24:03 D. Michael McIntyre 
michael.mcint...@rosegardenmusic.com wrote:
 
 I had this working perfectly there for awhile, but at some
 point I screwed 
 something up, and now Rosegarden will compile against 4.7,
 but fails to link.  
 I never did sort that out, I'm afraid to say.  Still,
 I had it all working 
 once, and I'm sure the problem can be solved for less
 effort than upgrading 
 your entire system.
 

A while back, I did have multiple versions of QT's on a machine.  The only 
thing it would work for me (either runtime, or development) is I have to run my 
own shell command to setup the proper PATH, and LD_LIBRARY_PATH:

   .  /home/userid/bin/setEnvQT451.bash

or,

   .  /home/userid/bin/setEnvQT471.bash

Note the . at the start of the command, which will take effect in the current 
command-shell (at least with Bash shell).  I don't remember if QT_DIR, or QTDIR 
was needed, so I set both.

The following example of /home/userid/bin/setEnvQT471.bash , I also have my 
own, separate copy of QtCreator 2.0.1, :

#!/bin/bash -x

export QT_DIR=/home/userid/compile/qt-4.7.1
export QTDIR=/home/userid/compile/qt-4.7.1
export QMAKESPEC=${QTDIR}/mkspecs/linux-g++

PATH=/home/userid/compile/qt-4.7.1/bin:$PATH
LD_LIBRARY_PATH=/home/userid/compile/qt-4.7.1/lib:$LD_LIBRARY_PATH

PATH=/home/userid/compile/qt-creator-2.0.1/bin:$PATH
LD_LIBRARY_PATH=/home/userid/compile/qt-creator-2.0.1/lib:$LD_LIBRARY_PATH


export PATH=$PATH
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH

##

So after running 

   .  /home/userid/bin/setEnvQT471.bash

from the command line, I keep that command line to launch 

qtcreator 

or my QT-runtime app, which works with the specific PATH, LD_LIBRARY_PATH I 
need for that version of QT.

Similar usage could be done for multiple runtime environments (if I want to run 
multiple versions of my own app separately).



 Or you could just upgrade.  Karmic is obsolete, and no
 longer supported by 
 Ubuntu.  You could probably upgrade it to LTS
 relatively easily, being the 
 next step in line, and then you could build Rosegarden from
 there without any 
 further ado.
 -- 
 D. Michael McIntyre
 

Most folks keep only one copy of Linux installed on their system.  Upgrading 
would be a huge pain, and potentially be crippling for a few days (even 1-2 
weeks) while configuring the new installation.  The more important apps get 
used first, and less important apps may not get used until a week or two later 
and need time to tweak...

My way around that is to have a separate partition of about 20-30 GB of space 
for each Linux installation (full install, not using separate /home mount 
point).  So each copy of some some Linux variation, or version could function 
independently.  This way, I can switch to my old installation when I needed 
something done right away.  In the mean time, I can take my time to tweak some 
newly installed Linux distro, or version at my own pace, I can mount the other 
installed Linux partitions as read-only so I can even compare configuration 
files, like

   /etc/security/limits.d/audio.conf

Of course, I keep data files in its own partition(s), and mount those 
partitions from each Linux install (at boot time, or as needed).

I have used such setup when I need to try distro hopping, or when I want to 
try a new version of my preferred distro.  It helps me quite abit.  Of course, 
I have to be mindful of which partion has which Linux flavor and version.

Perhaps this kind of setup would help some folks out there.  It doubles as my 
instant backup if I messed up in one Linux partition, I can boot up to the 
other Linux partition, which has all my apps already installed and configured.  
May not be too practical for older laptops because of limited diskpace, but 
works well if you can spare the disk space.  Enjoy.

Jimmy


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Re: [Rosegarden-user] One Further Thought on RGD

2012-05-16 Thread jimmy

 Gary G. wrote:

 Actually I just checked and that script is still included in
 the current
 rosegarden source code tarball, you can find it under
 /scripts/.
 
 Here are some instructions on how to use it:
 
 http://article.gmane.org/gmane.comp.audio.rosegarden.user/5102
 
 If the rgd file format and the ins file format hasn't
 changed since 2005 ,
 then the script should still work fine.
 

Here's getting it from the Rosegarden source-code repository:

   https://rosegarden.svn.sourceforge.net/svnroot/rosegarden/trunk/rosegarden/

   
https://rosegarden.svn.sourceforge.net/svnroot/rosegarden/trunk/rosegarden/scripts/

   
https://rosegarden.svn.sourceforge.net/svnroot/rosegarden/trunk/rosegarden/scripts/ins2rgd.pl


I'm not a Perl guru, but can fumble around if need to.  If you have problem 
running the script to convert certain .INS file(s), I can probably help take a 
look at a couple of those if I can find the time, first come first serve -- no 
guarrantee what-so-ever.  But first, run the script if you can, capture the 
errors, and the resulting output file.

Post and attach tar/zip copy of those files to this mailing list, so other 
people can help out, or learn by fumble-around on their own if they want.  It's 
Rosegarden related, so it's not off-topic on this list.


Jimmy



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Re: [Rosegarden-user] One Further Thought on RGD

2012-05-17 Thread jimmy

On 17 May 2012 09:10, Gary G. happyrat1@... wrote:
 How do you attach anything to this Listserv?  Actually is it a Listserv or
 an NNTP server?

If you use gmame to read and post to this mailing list, I don't see any obvious 
way to attach files through their simple web interface.

As Chris C. said, you can subscribe (using one of your email addresses).  It 
may be better to use a separate email address (a throw-away-able account) other 
than your personal email accounts for friends and family.

Several Rosegarden mailing lists are at:

   http://rosegardenmusic.com/support/lists/

this particular mailing list is the User list.  Once you subscribed to it 
with your email, any email addressed to

   rosegarden-user@lists.sourceforge.net

is a post to the mailing list.  You can attach files to such emails if needed.

Jimmy



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Re: [Rosegarden-user] [Rosegarden-devel] Fwd: Rosegarden's Future

2012-05-17 Thread jimmy
 On 05/17/2012 02:26 AM, David Tisdell wrote:
 
  I hear you but as a music teacher and music software
 evangelist, it is
  huge when I can push an app that runs on multiple
 platforms to an
  education audience. I do all of my most important audio
 work in Linux


I hear ya, but being short-handed as far as deverlopers to do the work, I think 
Rosegarden should concentrate on being solidly good at what it does, even 
just to maintain the current set of functionalities, rather than trying to do 
too much (multi-platform) and being mediocre at it.

People who don't program for complex software projects for a long time don't 
know the countless problems that software developers have to deal with.

Different platforms will have multitude of problems relating to testing, 
different versions of libraries, drivers, software...

Even different Linux distros, or within the same distro have different library 
versions and quirks of their own already (Debian stable, testing, unstable...)

Windows itself is not homogeneous as some marketing department wanted you to 
believe.  Have you experience the numerous printers, scanners... which won't 
work?  That's right, device drivers only work for specific releases of Windows 
(95, 98, Me, NT, 2000, XP, Vista, Win7, Win8).  Some won't even work for 
different editions of the same Windows release (home, pro, multi-media, 
enterprise...)  Some softwares may require specific service-pack or later for 
it to work, too.

Watch out for the horrendous performance interference from various 
anti-malware, anti-virus softwares.  Oh, yeah...  There are numerous malwares 
that the anti-malware and anti-virus stuff won't even detect properly, let 
alone clean up.

People who don't want to learn will readily make up all kind of excuses to 
avoid having to learn.  Wait until they start using Rosegaden and complain that 
it doesn't work like FruitLoops, Cubebase, GarageBand, or whatever...  The same 
way some people complain that LibreOffice, or OpenOffice doesn't look, or work 
like MS Office.  Those people are more troublesome than it's worth to try to 
convince, or convert.  Just let them go...  If and when they are ready, they 
will find a way.

Jimmy



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Re: [Rosegarden-user] Get sound working with Realtek sound

2012-08-21 Thread jimmy


--- On Tue, 8/21/12, John wildber...@cogeco.ca wrote:

 I would like to thank all you respondents who tried to help
 me..I have Jack,  Qsynth, Timidity installed.  But
 I am at a loss how I can tie all these pieces together to
 produce any sound.
 How to plug in any of these pieces?

There are many Linux Distributions (a.k.a Distros) out there, a very few 
distros are customized for MIDI related music:  Musix, Studio64, Ubuntu 
Studio...

Those distributions should have all the apps above and should also have 
Rosegarden setup to run from the desktop menu.

If you try most other Linux distros, chances are they are missing lots of 
setup applications and configurations.  Lots and lots of info, too much to 
share in a couple of email messages.  Chances are one would be wasting lots of 
time trying to figure things out without some working examples.

Your best bet would be to try one of the above mentioned distributions, at 
least their LiveCD.  Booting up from the LiveCD, and run the apps, then inspect 
the settings for each of those apps and how they are tied together.  Those 
LiveCD should be the best way for self learning if one spend the time to look 
around.  These are excellent working examples to learn from.



 The Union interface of Ubuntu 12.04 does not lend itself to
 do things as one would do in a KDE environment.
 I wonder if linux is getting so smart, that it tends to
 outsmart itself with the increased complexity. Michael
 McIntyre Tutorial is a great write up, but is not geared to
 modern hardware. It is based on KDE 
 and I am lost how to apply it to my Union interface.

I think you mean Unison, not Union?  Or, perhaps I could be wrong, because I 
don't even touch *buntu stuff.

With most major Linux distros, you can run KDE, GNOME, Unity, LXDE, Fluxbox, or 
any desktop environment.  Just happens that the default desktop is chosen as 
one way to use Linux.  There is no restriction if you want to use other 
desktop environment.  So if one doesn't like Unity, install and run with a 
different desktop environment.  Most people are just so afraid of trying other 
options, or choices, or afraid they may break the computer.  Or they were 
conditioned by Apple, or Microsoft, or their cell phone and PDA that they 
don't dare to try anything else.

Every application has its own interface defined by their developers.  They will 
decide what they want to do.  The desktop environments is just another 
application.  So one should learn how to use each application and don't pretend 
all the apps are one and the same thing.

If you think in Windows everything look the same, perhaps you should look at 
the different versions of Windows, every new version of recent releases, people 
have to learn a whole new way of doing thing, especially with the countless 
system settings.  Such a waste of time.

Stick with one way of doing thing and be productive instead of wasting lots of 
time tweaking with how things look every few months because things look old.

Jimmy



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Re: [Rosegarden-user] Please help: no sound 11.11.42-51.17 earlier [suse 12.x kDE]

2012-08-26 Thread jimmy
 a hold of Alsa 
audio already, and nothing else can connect, or output to Alsa audio.  
That's the problem of Alsa audio, it only allow one app to connect to it.

You can try to stop the PulseAudio daemond, then starts qjackctl/jackd.  Even 
then qjackctl may still not be able to run jackd by default, you may have to 
play around with various parameters within the qjackctl Setup window.

Good luck.

Jimmy






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Re: [Rosegarden-user] Please help: no sound 11.11.42-51.17 earlier [suse 12.x kDE]

2012-08-27 Thread jimmy

 Once you have a low-latency kernel, check related
 configuration in:
 
    /etc/security.d/limits.conf  , or 
 
    /etc/security/limits.d/audio.conf
 

Oops, I meant:

   /etc/security/limits.conf  , or

   /etc/security/limits.d/audio.conf

Mine had at least:

@audio   -  rtprio 70
@audio   -  memlockunlimited
@audio   -  nice  -10


it means your userid, which start jackd, needs to belong to the groupid called 
audio.

I think in Debian, the /etc/security/limits.d/audio.conf portion is done by 
the package manager when jackd2 is configured to use realtime priority.  But 
you need to check the userid that starts up jackd belongs to the audio group.  
The command groups should list all the groupid's that the current user 
belongs to.

This is the low-latency configuration portion of a pre-compiled low-latency 
kernel.

You can check to see similar configuration done within the Musix liveCD 
environment.

Again, once you understand all the numerous steps and things which need to be 
in placed, you can configure any Linux distro to do similar thing, but each 
distro may have done things slightly different.  If any of those are out of 
placed, you may not get Linux MIDI to work, or may have numerous problems like 
no sound, latency (out of sync, long delayed note) issues, skipped notes...

Jimmy


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Re: [Rosegarden-user] The future of Linux sure looks bleak...

2012-08-28 Thread jimmy


On Tue, 28 Aug 2012, Jim Cochrane m_l-...@business.jimcochrane.info wrote:

 As most (probably everyone) on this list knows, the main
 transition at
 this point is from the desktop (GUI on a PC - Windows for
 most
 people, but also OSX and Linux) to either or both of:
 
   - mobile/tablet-based apps, most of which make heavy
 use of web
     and/or internet connections.
 
   - web-based applications, where the main characters
 are the browser
     and a web server, a group of web-servers,
 and/or cloud-centric
     systems (which, perhaps, is a synonym for
 group of web-servers).
 
 For both of these options, most of the work will be done on
 servers on
 the web and the user's computer will be mainly a client
 making use of
 services running on these servers.

I have seen enough to say that, sure, there is some changes.  But most of them 
are the numerous companies trying to one-up each other with so claimed 
innovation.  Just happens those things are new code base with little testing, 
trying to claim first to market.  So the users are guinea pigs.

The *buntu distros are also dumbing down the user experience the same way 
Windows, Macs, Cell phones are.  They claim to make things simple for the 
users.  I'd say they want to keep the users from knowing too much, and that 
there are other ways of doing things, not just what presented by the GUI.

The software industry have had many server-centric, then PC-centric, now back 
to server-centric (cloud, web-apps...)  They are just the companies to sell new 
softwares along with suport and service contracts... churning the market for 
new revenues.  Abandoned softwares need support contracts, or migration cost of 
developing for the newest trend today.

Sure the cell phone and tablet with wireless capabilities add a little bit more 
to the flexibilities, but again, they are driven by large software companies's 
drumming up of new revenue sources.



 In the meantime we are stuck with these painful
 transitional
 technologies, such as GNOME 3 and Ubuntu's Unity, which to
 many people
 seem like (and perhaps are) monstrosities.  I don't
 think the Linux
 world is alone in being affected by these transitional pains
 - many
 people are wondering what the fuck they are going to do when
 Windows 8
 (or Metro, or whatever-the-fuck it's being called now) comes
 out.

No we don't have to stick with the new default desktop or default GUI the 
*buntu chose to use.  You can install any other desktops and use that.  You 
don't have to stick with the PulseAudio, you can disable it, or uninstall it.  
If that's too much work to fight the current within the distro, perhaps switch 
to a more customizable distro is less of a hassle in the long run.

Just as many of us abandoned Windows because they have made it hell to back up 
and restore the OS to/from bare hard drive.  And with the Knoppix liveCd of a 
dozen years or so ago, it's a whole new world of simpler data recovery, and 
installation of Linux.  We can decide what we use, not what they try force us 
to use.

The more we learn the underlying components that make up our system and tools 
available, the better we are to make the computer work the way we want.  Not 
how they want us to do, their way.

I have seen enough of the churning changes.  Unity is only available on *buntu, 
because none of the other distros care about it at the moment.  I will stick 
with what works and not be guinea pigs.  Thanks, but no thanks.


 And the true-geek will be
 able to use
 their pain to direct themselves to a workable, perhaps
 partly-hacked-together, solution.  But the pseudo geek
 will likely have
 the demands to insist on something better than what's
 available, but
 not the skills to whip something up that will fulfill what
 they need.
 Result: mucho pain.

Well so-called true geeks are just people who believe they have seen enough to 
know that Linux/Unix can be customized however they want.  They are not the 
know-it-all either.  They spent long hours to learn how things are done and 
replicated those scripts and programs, learning from open-source code available 
to them.  I simply say that the geeks are just determined to get it done be 
cause they it can be done.

Pseuodo geeks are either newbies, or wannabe's who haven't spent time to learn 
how things work, or are afraid of spending time to learn.

Most people who have spent time to learn how to get jackd/qjackctl, 
fluidsynth/qsynth, rosegarden, MIDI working on a low-latency Linux kernel is a 
Linux MIDI geek already.  Perhaps not a Linux sys-admin geek, or Bash script 
geek, Perl geek, Python geek...  It's just a matter of how much one really 
wants to learn, and spent the appropriate time to learn, that's all.  The other 
side of that is ignorance.

Jimmy




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Re: [Rosegarden-user] The future of Linux sure looks bleak...

2012-08-29 Thread jimmy


--- On Wed, 8/29/12, John wildber...@cogeco.ca wrote:

 I still use Linux for the mental challenges it provides me,
 but for programs that I need for my personal use, I prefer
 to pay in real money and not by time spent to make programs
 work.


Perhaps you shouldn't even bother with Linux at all, pay for Windows, or OSX 
apps for everything you want to use, Rosegarden, Lilypond probably can't be 
compare to the well polished professional apps out there.



 I have reached the point in life where I become immune to
 the accusation of being to lazy to learn how to make
 programs to work.  I rather prefer to spend my time to
 smell the roses.
 
 John

Sure people can chose what they want do to.  There are plenty of people who 
couldn't and wouldn't learn how to program the clock on a Microwave, or VCR.  
No big deals.

Jimmy





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Re: [Rosegarden-user] The future of Linux sure looks bleak...

2012-08-29 Thread jimmy


--- On Wed, 8/29/12, John wildber...@cogeco.ca wrote:

 A number of writer to this thread made reference to their
 recently discovered new distro (whatever !) that is not
 suffering from any of the known illnesses. I can assure them
 that they are living in a dream world. The next update will
 bring them back to reality.

Stick with a commonly used distro, and learn how to use it properly.  Distro 
hopping are like fashion followers, there are always new hats, new ties, new 
eye glasses, new dresses, new shoes, new cell phones...

But of course, for newbies who haven't chosen a Linux distro yet, some 
recommendations are not such a bad idea, either, especially the newbies in the 
Linux MIDI arena.

My use of Linux and Open Source apps are because I simply don't want to agree 
to draconian terms of the EULA (End User's License Agreements), and having to 
jump through all the hoops to back up and restore my computer, and associated 
applications.

I want to install, copy, backup my OS and softwares on to different computers 
of my choice, when I do my hardware upgrades.  Or having a working spare 
system in place, so when my main computer has a problem, I can fairly quickly 
get my work done without interruption.  And I don't want to pay double, triple, 
quadruple the licensing fees, just because I have a few some older computers 
sitting around.  Some people don't even bother to read EULA, nor care to 
understand those legal terms, but most of them don't even allow the OS, or 
applications to be copied on to a running (operarting) computer so that such 
softwares can be readily run.

Worse than that, many proprietary applications have their own data format.  
Years down the road, when I need to read such data files, those apps may not be 
installable, or runnable on my latest computer(s), and the older computers or 
hard drives may have died long before that.

With most Open Source softwares, the data file format can be read and data be 
extracted or converted much more readily.

Jimmy



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Re: [Rosegarden-user] Warning maessage resolution timer with rt kernel and hrtimer mod.

2012-10-14 Thread jimmy

On Thu, 04 Oct 2012, Delpistroumph xzuruk...@free.fr wrote:

 But why I've got this message??
 
 My system timer is set to 1000 hz! (as you can see in my
 first message)
 (Installing a real time kernel here: 
 http://wiki.linuxmusicians.com/doku.php?id=system_configuration#the_kernel)
 

Can you double check the output for a couple of command?  Here's mine:

   zcat /proc/config.gz | grep -i HZ | grep 1000

CONFIG_HZ_1000=y
CONFIG_HZ=1000


   cat /proc/sys/dev/hpet/max-user-freq

1024


If /proc/sys/dev/hpet/max-user-freq is less than 1000, you may want to try:

   sudo echo 1024  /proc/sys/dev/hpet/max-user-freq ; cat 
/proc/sys/dev/hpet/max-user-freq

My kernel has

CONFIG_HZ_1000=y
CONFIG_HZ=1000

compiled in, but by default, it shows /proc/sys/dev/hpet/max-user-freq value of 
64 .  I have to set it within /etc/rc.local so it is set again everytime the 
system starts up.

Jimmy


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