Re: [Rosegarden-user] What about using AppImage?

2017-04-02 Thread Holger Marzen
On Sun, 2 Apr 2017, Fernando A. Martin wrote:

> Rosegarden has never been distributed by developers, compiled for specific
> distributions. Ok, on the other hand, Rosegarden has clear and nice
> instructions that allow us to compile it without much effort.
> But what do you think of distributing Rosegarden using AppImage?
> http://appimage.org/

It's not really a solution and doesn't mean that it runs on every
system. I downloaded an appimage of the video editor Openshot and it
crashed immediately because it didn't like my glibc-version.

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Re: [Rosegarden-user] Which version of Jack?

2017-02-19 Thread Holger Marzen
On Mon, 20 Feb 2017, Peter Nabbefeld wrote:

> I've tried to install Rosegarden and run it, but it doesn't work for me.
> 
> I'm using Arch Linux, and I've installed Jack2 with Dbus support.
> 
> Does Rosegarden need jackd, or can it use dbus?

Rosegarden needs jack but jack-Clients can start jack bei themselves. I
recommend starting jackd before all jack-Clients – either with tools
like Qjackctl or in a shell script.

(The dbus magic is just another way to start jackd)

Since only one audio system can grab your soundcard many problems can
arise, e.g. you have to make sure that Pulseaudio doesn't grab it before
jackd can grab it.

I made jackd my main system and configured Pulseaudio to output via
jackd: http://marzen.de/Holger/pulseaudio_and_jack/--
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Re: [Rosegarden-user] among 19 tracks rosegarden leaves randomly some without sound

2016-08-07 Thread Holger Marzen
On Sun, 7 Aug 2016, Mario Gummies wrote:

> Hello everybody,
> am new to rosegarden and (linux) sound system and using it for understanding 
> music - and thank you for your great free software first. 
> 
> With my first piece of music 
> http://www.gutenberg.org/files/117/117-h/music/117-1.mid Beethoven's, Fifth 
> Symphony, I stumbled with the problem:
> 
> among 19 tracks rosegarden leaves randomly some without sound 
> You can see a screenshot here: 
> https://www.dropbox.com/s/qo4yasi3zuwutvr/rosegarden1_not_all_track_sounded.png
> You see in the tracks marked that there should be sound but there is non. For 
> example in the 19th track, name Kontrabass (german), there are notes but no 
> loudspeaker icon. 
> 
> This is how I start rosegarden:
> killall timidity;killall qjackctl; killall rosegarden
> qjackctl -s &
> timidity -iA -Oj -B2,8 &
> rosegarden Downloads/117-1.rg&
> 
> I use Ubuntu 14.04. Rosegarden:13.06. 
> 
> Does anybody have a pointer, to hear all tracks at once?

I had a similar problem when I used fluidsynth-dssi as synth plugin in
Rosegarden. It was a Limit within fluidsynth-dssi.

I solved it with:
- get fluidsynth-dssi-1.0.0.tar.gz
- Change in fluidsynth-dssi.h
  #define FSD_CHANNEL_COUNT  32

You may run into a similar limit with timidity.

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Re: [Rosegarden-user] Zynaddsubfx not visivle as MIDI device

2016-07-03 Thread Holger Marzen
On Sun, 3 Jul 2016, Simon wrote:

> I was using the software synth Zynaddsubfx a lot, controlled by
> Rosegarden. Now I don't see it as a midi device, and I also can't
> connect it with Qjackctl. This problem just came up. I didn't do
> anything with these programs for a while, so I'm wondering if it's
> related to any updates?
> Is anybody using Zynaddsubfx together with Rosegarden? What could went
> wrong?

Rosegarden speaks ALSA-MIDI.
If your Zynaddsubfx speaks JACK-MIDI then you need a bridge between
those two MIDI-worlds: a2j_control start

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Re: [Rosegarden-user] Replacing instruments

2016-06-26 Thread Holger Marzen
On Sun, 26 Jun 2016, Silas Mortimer wrote:

> Hi, it's me again.
> 
> Okay, so I've been reading about how sfz files tend to be better than
> sf2. I've also found a better orchestral soundfont, which is good,
> because I don't know what synth program that will work with Rosegarden
> will load sfz files or how to do it.

Linuxsampler-dssi works. But you need a frontend to configure iti (load
soundfonts), like qsampler or jsampler. Once configured you simply save
your song and when you load it next time Linuxsampler is configured like
every other plugin.

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Re: [Rosegarden-user] Holger's suggestion

2016-01-10 Thread Holger Marzen
On Sun, 10 Jan 2016, Leszek Wroński wrote:

> Thank you very much again. Indeed Rosegarden displays a warning and tells
> me to run 'sudo modprobe snd-rtctimer'. Unfortunately, I don't have that
> module. I ran 'sudo modprobe snd-hrtimer' instead, but the warning still
> appears. The 'details' section informs me "WARNING: using system timer with
> only 250Hz resolution!"

That means that you use a standard kernel, not a low latency kernel.
There are 3 classes of kernels:

- standard for servers and desktops, usually with 250 HZ
- lowlatency kernels, usually with 1000 HZ
- realtime kernel, rocket science from outer space

Realtime kernels may be the kernels of choice when seeking for lowest
possible latencies for live use with a superfast interface.

I use and recommend lowlatency kernels. No rocket science. Just install
a lowlatency kernel. It's usually in the repository of your distribution
with "lowlatency" in its name.

Install, boot this kernel, enjoy.--
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Re: [Rosegarden-user] problem with basic functionality (tracks, instruments, ZynAddSubFX connection)

2016-01-10 Thread Holger Marzen
On Sat, 9 Jan 2016, david wrote:

> On 01/09/2016 08:54 AM, Holger Marzen wrote:
> > On Sat, 9 Jan 2016, Leszek Wroński wrote:
> >
> >> *BONUS QUESTION*
> >> Now, this will probably be idiotic, but I need to ask this. Can I somehow
> >> just play General MIDI instruments? Is this done by Timidity? I fired it up
> >> but it doesn't show in the 'Audio' menu of Jack, so I can't tell it to
> >> output any sound to the system.
> >
> > I recommend installing and loading fluidsynth-dssi into a
> > Rosegarden-track of type "Synthesizer Plugin". Then load a GM soundfont
> > into fluidsynth. Most distributions offer the package
> > fluid-soundfont-gm, a very good soundfont that resides in
> > /usr/share/sounds/sf2/FluidR3_GM.sf2 after installation.
> >
> > Using the plugin makes it simple to save the settings with your song and
> > offers as low latency as possible.
> >
> > You can find other good soundfonts all over the web.
> 
> Not the original poster, but thanks for the advice about fluidsynth-dssi. :)

For those who do not know yet: This song
https://www.youtube.com/watch?time_continue=16=qFDa-_6dUOU
was made only with plugins:
- FluidSynth-DSSI for bass, strings, drums, chimes, sleigh bells
- Hexter and Whysynth (both DSSI) for the rest
- All effects like reverb and echo as LADSPA plugins in Rosegarden

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Re: [Rosegarden-user] problem with basic functionality (tracks, instruments, ZynAddSubFX connection)

2016-01-09 Thread Holger Marzen
On Sat, 9 Jan 2016, Leszek Wroński wrote:

> *BONUS QUESTION*
> Now, this will probably be idiotic, but I need to ask this. Can I somehow
> just play General MIDI instruments? Is this done by Timidity? I fired it up
> but it doesn't show in the 'Audio' menu of Jack, so I can't tell it to
> output any sound to the system.

I recommend installing and loading fluidsynth-dssi into a
Rosegarden-track of type "Synthesizer Plugin". Then load a GM soundfont
into fluidsynth. Most distributions offer the package
fluid-soundfont-gm, a very good soundfont that resides in
/usr/share/sounds/sf2/FluidR3_GM.sf2 after installation.

Using the plugin makes it simple to save the settings with your song and
offers as low latency as possible.

You can find other good soundfonts all over the web.

Regards
Holger--
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Re: [Rosegarden-user] File Open Crash: gnome_vfs_mime_get_value (fwd)

2016-01-03 Thread Holger Marzen
I noticed that the GTK+ theme lets Rosegarden crash. Qtractor works fine
with it.

But choosing Plastique works for me and since I am probably the only one
using an old distribution this bug may vanish by itself.

-- Forwarded message --
Date: Sun, 3 Jan 2016 11:35:33 +0100 (CET)
From: Holger Marzen <hol...@marzen.de>
To: D. Michael McIntyre <rosegarden.trumpe...@gmail.com>
Cc: rosegarden-user@lists.sourceforge.net
Subject: Re: [Rosegarden-user] File Open Crash: gnome_vfs_mime_get_value

On Sat, 2 Jan 2016, D. Michael McIntyre wrote:

> On 01/02/2016 10:53 AM, Holger Marzen wrote:
> 
> > But why does Rosegarden SVN 14300 (with old build system) compile and
> > run fine on my system? I fetched and compiled it today.
> 
> We used to use the Plastique style internally.  It was eliminated in 
> Qt5, so we use the Windows style now, to correct various issues with the 
> stylesheet that could be corrected no other way.

Thanks for these explanations. Starting qtconfig and selecting
"Cleanlooks" instead of "Desktop Default Style" cured the problem.
"Plastique" works, too.

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Re: [Rosegarden-user] File Open Crash: gnome_vfs_mime_get_value

2016-01-02 Thread Holger Marzen
On Sat, 2 Jan 2016, Ted Felix wrote:

> On 01/01/2016 05:41 PM, Holger Marzen wrote:
> > Unfortunately Rosegarden still crashes when trying to open a file. It
> > crashes before opening the file dialog.
> 
>I'm guessing it's libraries.
> 
> #3  0x7f8109b61862 in gnome_vfs_mime_get_value () from 
> /usr/lib/x86_64-linux-gnu/libgnomevfs-2.so.0
> 
> Googling on "gnome_vfs_mime_get_value" leads to this similar report from 
> 2012:
> 
>https://github.com/OpenMS/OpenMS/issues/393
> 
> It indicates that the problem for them was with incompatible versions of 
> zlib.  rg uses zlib, so this might be it.  A recent upgrade to your 
> machine might have introduced a new version of zlib, or some other 
> library that is causing trouble.

But why does Rosegarden SVN 14300 (with old build system) compile and
run fine on my system? I fetched and compiled it today.

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Re: [Rosegarden-user] ROSEGARDEN 15.12 RELEASED

2016-01-01 Thread Holger Marzen
On Fri, 1 Jan 2016, Abrolag wrote:

> On Thu, 31 Dec 2015 09:32:09 -0500
> "D. Michael McIntyre"  wrote:
> 
> > == ROSEGARDEN 15.12, codename "Peace" RELEASED ==
> > 
> > The Rosegarden team is pleased to announce the release of version 15.12 
> > of Rosegarden, an audio and MIDI sequencer and musical notation editor 
> > for Linux.
> > 
> > http://www.rosegardenmusic.com/
> > 
> > Rosegarden rounds out 2015 with a new CMake build system and several bug 
> > fixes contributed by David Faure of KDE.  The new build system preserves 
> > the best features of the previous system, while adding out-of-source 
> > builds, and the ability to compile with Qt 4 or Qt 5.  (Qt 5 builds are 
> > functional, but do have some problems.  We encourage you to give a Qt 5 
> > build a try and report bugs, but package maintainers and production 
> > users should stick with Qt 4 for the time being.)
> 
> Thanks for the New Year's present. I shall unwrap it soon :)

On my Xubuntu 12.10 LTS I have to tweak CMakeLists.txt:
- change cmake_minimum_required to (VERSION 2.8.7)
  Is that high required version really neccessary?
- set(USE_QT4 true)
  It doesn't detect that I don't have qt5

But all this tweaking doesn't help. When I open the file dialog
Rosegarden crashed.

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Re: [Rosegarden-user] ROSEGARDEN 15.12 RELEASED

2016-01-01 Thread Holger Marzen
On Fri, 1 Jan 2016, D. Michael McIntyre wrote:

> On 01/01/2016 03:06 PM, Holger Marzen wrote:
> 
> > On my Xubuntu 12.10 LTS I have to tweak CMakeLists.txt:
> > - change cmake_minimum_required to (VERSION 2.8.7)
> >Is that high required version really neccessary?
> 
> Setting the cmake minimum version was a trade-off between supporting old 
> distros and features that were painful to avoid.  I don't remember the 
> details, but there was an elaborate discussion over a couple of weeks 
> where I pushed to get this set lower and lower, and David reworked 
> things at my request.  He was a very good sport about this, but I could 
> only push the founder of KDE so far in support of obsolete technology.
> 
> The bright side is that obtaining new versions of CMake for old distros 
> is rather easy.  Go to https://cmake.org/download/ and if you grab an 
> appropriate pre-compiled binary for your architecture, it should work 
> fine.  If not, it's much easier to compile than Rosegarden.  I used to 
> have to do this myself, years ago.  In the end, I remembered that 
> precedent from the past, and felt better about requiring such a recent 
> CMake version.

Yep, was no big thing and works now without any tweaks in
CMakeLists.txt.

Unfortunately Rosegarden still crashes when trying to open a file. It
crashes before opening the file dialog.

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Re: [Rosegarden-user] ROSEGARDEN 15.12 RELEASED

2016-01-01 Thread Holger Marzen
On Fri, 1 Jan 2016, D. Michael McIntyre wrote:

> On 01/01/2016 05:41 PM, Holger Marzen wrote:
> 
> > Unfortunately Rosegarden still crashes when trying to open a file. It
> > crashes before opening the file dialog.
> 
> Stack trace?


#0  0x7f8114121ee8 in xmlParserInputBufferCreateFilename () from 
/usr/lib/x86_64-linux-gnu/libxml2.so.2
#1  0x7f81141a77c5 in xmlNewTextReaderFilename () from 
/usr/lib/x86_64-linux-gnu/libxml2.so.2
#2  0x7f8109b61470 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgnomevfs-2.so.0
#3  0x7f8109b61862 in gnome_vfs_mime_get_value () from 
/usr/lib/x86_64-linux-gnu/libgnomevfs-2.so.0
#4  0x7f810a6d2085 in gnome_icon_lookup () from 
/usr/lib/x86_64-linux-gnu/libgnomeui-2.so.0
#5  0x7f810a6d261d in gnome_icon_lookup_sync () from 
/usr/lib/x86_64-linux-gnu/libgnomeui-2.so.0
#6  0x7f811b702120 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7  0x7f811b9314dd in QFileIconProvider::icon(QFileInfo const&) const () 
from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8  0x7f811b871a84 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#9  0x7f811b86adc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#10 0x7f811c000446 in QObject::event(QEvent*) () from 
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x7f811b86399e in QFileSystemModel::event(QEvent*) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#12 0x7f811b369894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x7f811b36e713 in QApplication::notify(QObject*, QEvent*) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x7f811c8f9e6e in Rosegarden::RosegardenApplication::notify(QObject*, 
QEvent*) ()
at 
/home/hm/src/rosegarden/rosegarden-14436.bad/src/gui/application/RosegardenApplication.cpp:135
#15 0x7f811bfe6e9c in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x7f811bfeac6a in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x7f811c015f93 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x7f8117d58d13 in g_main_context_dispatch () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x7f8117d59060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x7f8117d59124 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x7f811c0163bf in 
QEventDispatcherGlib::processEvents(QFlags) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x7f811b411d9e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#23 0x7f811bfe5c82 in 
QEventLoop::processEvents(QFlags) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x7f811bfe5ed7 in 
QEventLoop::exec(QFlags) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x7f811b8399b6 in QDialog::exec() () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#26 0x7f811c6f1eba in Rosegarden::FileDialog::getOpenFileName(QWidget*, 
QString const&, QString const&, QString const&, QString*, 
QFlags) ()
at 
/home/hm/src/rosegarden/rosegarden-14436.bad/src/gui/widgets/FileDialog.cpp:131
#27 0x7f811c91c72f in Rosegarden::RosegardenMainWindow::slotFileOpen() ()
at 
/home/hm/src/rosegarden/rosegarden-14436.bad/src/gui/application/RosegardenMainWindow.cpp:1999
#28 0x7f811cc0e07d in 
Rosegarden::RosegardenMainWindow::qt_static_metacall(QObject*, 
QMetaObject::Call, int, void**) ()
at 
/home/hm/src/rosegarden/rosegarden-14436.bad/build/src/moc_RosegardenMainWindow.cpp:499
#29 0x7f811bffb281 in QMetaObject::activate(QObject*, QMetaObject const*, 
int, void**) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x7f811b363132 in QAction::triggered(bool) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#31 0x7f811b36331f in QAction::activate(QAction::ActionEvent) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#32 0x7f811b738dca in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x7f811b73907c in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () 
from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#34 0x7f811b7f665a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x7f811b3ba144 in QWidget::event(QEvent*) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#36 0x7f811b369894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#37 0x7f811b36f0bf in QApplication::notify(QObject*, QEvent*) () from 
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#38 0x7f811c8f9e6e in Rosegarden::RosegardenApplication::notify(QObject*, 
QEvent*) ()
at 
/home/hm/src/rosegarden/rosegarden-14436.bad/src/gui/application/RosegardenApplication.cpp:135
#39 0x7f811bfe6e9c in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-g

Re: [Rosegarden-user] RoseGarden with Plug-Ins -- stability

2015-11-29 Thread Holger Marzen
On Sun, 29 Nov 2015, r...@hydrophones.com wrote:

> Hi guys,
> 
> The stability of RoseGarden with its plug-ins is pretty good.  The
> following was recently done using only RoseGarden plug-ins (on Debian
> Squeeze):
> 
> ftp://www.hydrophones.com/Mozart-K488--88p2kHz.flac
> 
> It is almost a half hour long and beat the living daylights out of the
> plug-in functionality.
> 
> I always did a save before changing a plug-in.  I did get a few crashes
> but not always on the same plug-in (e.g. the plug-in could be used on
> another track and worked just fine).  As far as I could tell, in this
> large practical example, no RoseGarden plug-in crashed consistently, and
> running into a crash was a rare event.

Great. For the first 11 minutes I thought it's mixed down to mono :)

What plugins did you use? How many subgroups? Did you use an external
mixer or plugin host?

My experience is similar: No problems with plugins. But deleting audio
clips was "dangerous". Most Rosegarden users don't seem to do much with
audio clips.

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Re: [Rosegarden-user] Focusrite Scarlett 2i2 USB audio interface

2015-09-03 Thread Holger Marzen
On Wed, 2 Sep 2015, D. Michael McIntyre wrote:

> I came up with the Focusrite Scarlett 2i2 after spending a few hours 
> researching my options.  It was reported working as far back as 2012, 
> and nothing since then gave me pause.  I like their attitude toward 
> Linux, which seems to be, in a nutshell, "We don't support Linux, but if 
> anybody is writing a driver for Linux, here are some technical details 
> for you."
> 
> http://us.focusrite.com/usb-audio-interfaces/scarlett-2i2
> 
> I haven't done any real work with the interface yet, but my first 
> impressions are really positive.  I plugged it in, and it worked.

It's absolutely reliable. I use it via jackd all the time, even when
listening to music or watching videos. I configured pulseaudio to use
jacks, so everything works. The 2i2 runs for hours and hours without
making trouble (like my old M-Audio Fast Track Pro which started
cyloning).

But the 2i2 doesn't have a mixer. No problem, I hear you say, we have
jack_mixer. Yes, we have, but how do we tell all the jack-clients to
connect to the mixer's input instead of system:playback?

Don't cry in despair, there is a solution: jack.plumbing
If jack.plumbing is active and its ruleset is carefully crafted, then
the magic can happen and jack.plumbing disconnects jack-clients from
system:playback and connects them to jack_mixer.

Take this ~/.jack_mixer

-- snip --







-- snap --

And then take this ~/.jack.plumbing

-- snip --
(connect"alsa-jack\..*jackP\..*:out_000" "jack_mixer:ALSA L")
(connect"alsa-jack\..*jackP\..*:out_001" "jack_mixer:ALSA R")
(disconnect "alsa-jack\..*jackP\..*:out_.*" "system:playback_.*")

(connect"Clementine:out_jackaudiosink-.*_1" "jack_mixer:JACK L")
(connect"Clementine:out_jackaudiosink-.*_2" "jack_mixer:JACK R")
(disconnect "Clementine:out_jackaudiosink-.*" "system:playback_.*")

(connect"Qtractor:Master/out_1" "jack_mixer:JACK L")
(connect"Qtractor:Master/out_2" "jack_mixer:JACK R")
(disconnect "Qtractor:Master/out_.*" "system:playback_.*")

(connect"rosegarden:master out L" "jack_mixer:JACK L")
(connect"rosegarden:master out R" "jack_mixer:JACK R")
(disconnect "rosegarden:master out .*" "system:playback_.*")

(connect"MPlayer.*:out_0" "jack_mixer:ALSA L")
(connect"MPlayer.*:out_1" "jack_mixer:ALSA R")
(disconnect "MPlayer.*:out_.*" "system:playback_.*")

(connect"PortAudio:out_.*[02468]" "jack_mixer:JACK L")
(connect"PortAudio:out_.*[13579]" "jack_mixer:JACK R")
(disconnect "PortAudio:out_.*" "system:playback_.*")

(connect"PulseAudio.*:front-left"  "jack_mixer:PULSE L")
(connect"PulseAudio.*:front-right" "jack_mixer:PULSE R")
(disconnect "PulseAudio.*:front-.*" "system:playback_.*")

(connect "jack_mixer:MAIN L" "system:playback_1")
(connect "jack_mixer:MAIN R" "system:playback_2")
-- snap --

Start jack_mixer, start jack.plumbing and let the magic work :)

The next time uncle Holger will tell you how you can move and resize
windows automagically (even to workspaces) with gdevilspie and devilspie
:)

Regards
Holger

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[Rosegarden-user] Spread the word with a screencast

2014-10-21 Thread Holger Marzen
Hi all,

the Screencast I made some time ago has been placed onto
http://www.libremusicproduction.com/tools/rosegarden

(Don't beat me, I made a screencast of a Qtractor session on this
site, too. :)

Regards
Holger

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Re: [Rosegarden-user] Spread the word with a screencast

2014-10-21 Thread Holger Marzen
On Tue, 21 Oct 2014, Abrolag wrote:

 On Tue, 21 Oct 2014 17:16:37 +0200 (CEST)
 Holger Marzen hol...@marzen.de wrote:
 
  Hi all,
  
  the Screencast I made some time ago has been placed onto
  http://www.libremusicproduction.com/tools/rosegarden
  
  (Don't beat me, I made a screencast of a Qtractor session on this
  site, too. :)
  
  Regards
  Holger
 
 Excellent work (good song too).
 
 What screen recorder did you use? I've been wanting to do the same thing with
 Rosegarden and Yoshimi for some time now.

I don't remember. It was something that only recorded one audio channel,
so I had to glue the video and the song together.

What definitely works (yes, with jack, too!) is SimpleScreenRecorder:
http://www.maartenbaert.be/simplescreenrecorder/

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Re: [Rosegarden-user] (no subject)

2014-09-09 Thread Holger Marzen
On Tue, 9 Sep 2014, Pierre Bruynooghe wrote:

 Here is th config.log : http://pastebin.com/GNQ5Ybhh
 Pierre

Bonjour Pierre,

the most important line is:

configure:6265: WARNING: Required JACK library not found, building with no 
audio!

In the file configure I find:
pkg-config --exists --print-errors jack = 0.100

That's probably the cause. Please run
  pkg-config --exists --print-errors jack = 0.100 ; echo $?
in a terminal.

I am not experienced with that pkg-config stuff. But your jack might
lack a file for pkg-config.

  pkg-config --list-all | grep jack
would be interesting as well.

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Re: [Rosegarden-user] (no subject)

2014-09-08 Thread Holger Marzen
On Mon, 8 Sep 2014, Pierre Bruynooghe wrote:

 When I try to compile the last version of rosegarden, the operation failed
 during the ./configure with a message explaining that jack is no found.
 Jack is installed on my Gentoo distrib, et I have the /usr/bin/jackd.
 Moreover, all dependencies are installed on my machine. What option I must
 use for the ./configure ? Regards.

You need not only jack but also the *-dev packages. On my Xubuntu 12.04
the package is called libjack-jackd2-dev.

The latest and greatest version is in SVN

I fetch and compile it on my 64 bit system like this:

svn checkout svn://svn.code.sf.net/p/rosegarden/code/trunk/rosegarden
cd rosegarden
sh ./bootstrap.sh
./configure --with-qtlibdir=/usr/lib/x86_64-linux-gnu
make -j4 # if you have 4 cores, or simply make
sudo make install

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Re: [Rosegarden-user] Rosegarden DSSI plug-in synthesizers open and editor issues

2014-09-07 Thread Holger Marzen
On Sat, 6 Sep 2014, David Christensen wrote:

 rosegarden-user:
 
 I've attempted to use Rosegarden using default Linux distribution binary 
 packages on:
 
 a.  Debian Wheezy (12.04).
 
 b.  Fedora 20 (13.10).
 
 
 In both cases, I've run into problems with DSSI plug-in synthesizers:
 
 1.  For multi-track Rosegarden projects on both Debian and Fedora, if I 
 assign a track to a DSSI plug-in synthesizer instrument, save the 
 Rosegarden project, close Rosegarden, start Rosegarden, and then open 
 the project, things look okay in the top-level Rosegarden window, but 
 when I play the music I get wrong instruments.  For example, I arranged 
 J.S. Bach's Invention No. 8 for two violins and two cellos.  When I open 
 and play the project, I hear two violins, one cello, and one piano.

One problem I ran into was:

Synth plugins are not assigned to tracks. They are assigned to
instruments. So be sure that each track has a different instrument
assigned. A good apporach is: Track 1, instrument 1. Track 2, instrument
2. And so on.

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Re: [Rosegarden-user] Rosegarden DSSI plug-in synthesizers open and editor issues

2014-09-07 Thread Holger Marzen
On Sun, 7 Sep 2014, David Christensen wrote:

 On 09/07/2014 12:15 AM, Holger Marzen wrote:
  Synth plugins are not assigned to tracks. They are assigned to
  instruments. So be sure that each track has a different instrument
  assigned. A good apporach is: Track 1, instrument 1. Track 2, instrument
  2. And so on.
 
 That's how I did it.

OK, then it could be
- a buggy synth plugin
- a buggy Rosegarden

I never ran into this problem. One thing that can't hurt is to compile a
recent Rosegarden. That's not too difficult.

Another approach is using another softsynth, e.g. fluidsynth-dssi with
the FluidR3_GM.sf2 soundfont.

Regards
Holger

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Re: [Rosegarden-user] RG incorrectly plays all notes of all instruments in sequence one after the other instead of simultaneously as it should be played.

2014-07-26 Thread Holger Marzen
On Sat, 26 Jul 2014, Shaun Smith wrote:

 My RG plays all notes of all instruments one at a time in sequence, instead
 of simultaneously as it should be. Even chords are played in sequence
 instead of all the notes being played at the same time, as they should be,
 please help.

Can you send me the rg-file? My first approach would check if my
Rosegarden plays it correctly.

Regards
Holger

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Re: [Rosegarden-user] snd-rtctimer

2014-07-15 Thread Holger Marzen
On Mon, 14 Jul 2014, r...@hydrophones.com wrote:

  On Sat, 12 Jul 2014, German wrote:
 
  Hello list. Just installed Rosegarden. However when I start it, it says:
  Rosegarden was unable to find a high-resolution
  timing source for MIDI performance. It then advice me to load the
  module, modeprobe snd-rtctimer. However I don't have such a module on
  this system. How serious is this? Thanks
 
  Use a Kernel with HZ1000 set. Those kernel packages have usually
  lowlatency in their name. The message vanishes then.
 
  Lowlatency kernels are good both for Rosegarden and for JACK.
 
 
 Unfortunately they tend NOT TO WORK with proprietary graphics drivers from
 AMD/ATI and NVidia.

Don't confuse them with realtime kernels. Lowlatency kernels are just
configured differently, not patched.

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Re: [Rosegarden-user] snd-rtctimer

2014-07-13 Thread Holger Marzen
On Sat, 12 Jul 2014, German wrote:

 Hello list. Just installed Rosegarden. However when I start it, it says: 
 Rosegarden was unable to find a high-resolution
 timing source for MIDI performance. It then advice me to load the module, 
 modeprobe snd-rtctimer. However I don't have such a module on this system. 
 How serious is this? Thanks

Use a Kernel with HZ1000 set. Those kernel packages have usually
lowlatency in their name. The message vanishes then.

Lowlatency kernels are good both for Rosegarden and for JACK.

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Re: [Rosegarden-user] Midi Input Transformer / Midi Input Filter

2014-06-19 Thread Holger Marzen
On Sun, 15 Jun 2014, Newbasic wrote:

 What I need and what I am looking for is the exact Rosegarden function 
 of this recording filter but outside the record-mode.
 I hope I have make myself clear. I want to be cabable to play my split 
 keyboard while Rosegarden is not in record-mode.
 
 The problem is, that Rosegarden only use the Recording Filterwhile 
 recording/in  record-mode. Is it possible to use this filter while 
 record-mode is off? Or is it possible to adapt this filter to be a 
 InputFilter ?

Maybe an lv2-host like lv2-host and the Midifilter-lv2 can help you.
Qjackctl will help you re-wireing the inputs/outputs.

See http://x42.github.io/midifilter.lv2/ for more information to the
various functions.

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Re: [Rosegarden-user] ZynAddSubFX plugin instrument sorting

2013-10-28 Thread Holger Marzen
On Mon, 28 Oct 2013, m.tarenskeen wrote:

 zynaddsubfx-dssi exists. I have seen packages for Ubuntu and Fedora.
 I have not yet tried it as a plugin. I think it is sound-only, without the 
 GUI?
 I 'm sure someone who has tried can tell more?

I found it somewhere and tried it. It's not fully functional because one
of the programmer told me there were too many difficulties to get th
padsynth part working.

So it's a slightly crippled version that's missing the smooth pad
sounds.

Regards
Holger

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Re: [Rosegarden-user] fluidsynth dssi bug

2013-10-24 Thread Holger Marzen
On Tue, 22 Oct 2013, Brian Clem wrote:

 At least that is what I was working on.  Setting my synth instruments and
 then saving the default studio file.  All synths were Fluidsynth dssi.  1-
 24.  I assigned each number to a different sf2 I have saved in my dropbox
 on every computer so the setup will be the same when working.  A quick
 start every time when working.  But it failed when using all 24 spots.
 Here is the info.
 
 Program terminated with signal 11, Segmentation fault.

I didn't have a crash but muted voices. My solution was to increase
FSD_CHANNEL_COUNT in fluidsynth-dssi.h to the desired number of
instances/instruments plus 1. Don't ask me why plus 1. I often stumble
over off-by-ones.

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Re: [Rosegarden-user] System freezes when using hr timer

2013-06-18 Thread Holger Marzen
On Tue, 18 Jun 2013, aCOSwt wrote:

 Hello,
 
 - Using Rosegarden 13.04
 - jackd 0.121.3 running SCHED_FIFO
 - alsa
 - Whatever linux kernel : 2.6.38 / 3.4.43 / 3.8.13
 - Whatever patchset : None / ck / CONFIG_PREEMPT_RT
 - All kernel configs with : CONFIG_SND_HRTIMER and 
 CONFIG_SND_SEQ_HRTIMER_DEFAULT set.
 
 Everything audio / midi related works fine.
 
 HOWEVER 
 
 As soon as I depress the apply button after changing the midi clock source 
 from auto to HR timer, my system entirely freezes and the hardware reset 
 is the only solution left.
 
 What am I doing wrong ? What should I investigate ?

It's not Rosegarden's fault. It's simply a Bug in ALSA - the kernel
part, as far as I know. Unfortunately there's nothing what we can do to
fix it.

 BTW : What is the clock source actually used by Rosegarden when (auto) is 
 selected ?
 
 Regards,
 
 aCOSwt

I don't know but you can prepare your Linux system best when you use a
lowlatency kernel. Some distributions offer one.

If the kernel version you prefer doesn't offer a lowlatency one you can
build your own.

- Get the source (preferably the same version of your running kernel)
- Unpack the source
- cd to the source
- cp /boot/config-your kernel version .config
- make oldconfig
- make menuconfig
  Processor type and features
Preemption Model: Low-Latency Desktop
Timer Frequency: 1000 HZ

The rest depends on your distribution. Debian and Ubuntu create a
kernel- and a header-package with:

make-kpkg clean
fakeroot make-kpkg -j 4 --initrd --revision=1.0.hm kernel_image kernel_headers

(-j 4 is an acceleration for CPUs with 4 cores)

If you are a latency freak like me you can hear a slightly better
timing.

If your system offers Turboboost then switch it off in your BIOS. Else
the timing can be unstable. Speedstep can keep activated, it doesn't
harm.

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[Rosegarden-user] LADSPA-plugin with receiving JACK-port?

2013-06-08 Thread Holger Marzen
Hi all,

Rosegarden know no real send/receive but at least it has some poor man's
send: It can open an outgoing JACK port for each instrument and
submaster. Unfortunately there is no receiving port, e.g. in submasters
so I would have to cascade an external JACK mixer to put it all
together.

But if only there was a LADSPA-plugin that would open a receiving JACK
port then I could insert it in a submaster and feed the external signal
(e.g. an effect in an LV2 plugin in LV2rack) back.

Does anyone know of such a LADSPA-plugin?

Best regards
Holger

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Re: [Rosegarden-user] How does Rosegarden in action look like?

2013-04-21 Thread Holger Marzen
On Sat, 20 Apr 2013, Holger Marzen wrote:

 Hi all,
 
 I made a little screencast to show Rosegarden, its mixer, Hexter,
 Whysynth, Fluidsynth and Jamin.
 
 http://www.youtube.com/watch?v=y0JRKMe-mPA

I replaced it by http://www.youtube.com/watch?v=GBQ7lPWJhcQ and opened
more dialog boxes to show Rosegarden's different editors.

Regards
Holger

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Re: [Rosegarden-user] How does Rosegarden in action look like?

2013-04-21 Thread Holger Marzen
On Sun, 21 Apr 2013, Julie S wrote:

 Hello Holger,
 
 I like them both for different reasons:
 First take: Had the full song (which I really liked, BTW)
 Second Take: You did some the other RG screens in action.
 
 I thought either was acceptable, but if you feel inspired for round three, 
 here is my take:
 * Play whole song
 * Show some more of Jamin
 * Along with some single segment in editor views, maybe
 ** Select multiple adjacent segments for the editor views
 ** Select vertically aligned segments from different tracks for the editor 
 views
 
 ...or just your video like it is.

Hi Julie,

thank you, but my next endboss is html5/webm and stereo sound.

- recordmydesktop has some issues with jack. I cannot record both
  channels. AFAIK there is a parsing issue.

- Webm-format is needed to play the video without a Flash-plugin in
  Firefox and Opera.

So I managed to mix the video and the audio-file altogether with
kdenlive and get a webm-video that can be played inside a recent Firefox
and Opera. To get that format you have to join the HTML5-test at
http://www.youtube.com/html5 and go to the webm-video
http://www.youtube.com/watch?v=c_yThxOaUQs

But Opera shows a black area and Firefox tells me that it cannot play
the video. Without joining the HTML5-test I get at least stereo sound.

Maybe I did something wrong uploading the video.

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Re: [Rosegarden-user] metronome question

2013-02-24 Thread Holger Marzen
On Sun, 24 Feb 2013, Stefan Thomas wrote:

 Dear community,
 I'm using rosegarden, version 12.04.
 I have the following question:
 Is it possible, during a recording, to let the metronome 2 bars count,
 before the recording starts?
 I've been searching for this option, but I didn't find it!

Neither did I. I start recording some bars before.

Regards
Holger

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Re: [Rosegarden-user] metronome question

2013-02-24 Thread Holger Marzen
On Sun, 24 Feb 2013, Martin Tarenskeen wrote:

 On Sun, 24 Feb 2013, Holger Marzen wrote:
 
  On Sun, 24 Feb 2013, Stefan Thomas wrote:
  
   Dear community,
   I'm using rosegarden, version 12.04.
   I have the following question:
   Is it possible, during a recording, to let the metronome 2 bars count,
   before the recording starts?
   I've been searching for this option, but I didn't find it!
 
 Yes this is possible. You can find it in the menu:
 
   Edit - Preferences - Number of count-in measures before reccording

Cool. Thank you.

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Re: [Rosegarden-user] Latency

2013-01-29 Thread Holger Marzen
On Sun, 27 Jan 2013, Abrolag wrote:

 On Sun, 27 Jan 2013 19:25:02 +0100 (CET)
 Holger Marzen hol...@marzen.de wrote:
 
 The most extreme example I know of is fast lookahead limiting. It side-chains
 a control signal then delays the main path (typically about 20mS) in order to
 apparently perform time travel and start to adjust the level before the spike
 hits.
 
 The integrated DAWS you get with Windows and Apple have default, fixed sets of
 effects that they know the precise conditions of and can therefore actually
 advance recorded tracks based on this precise knowledge. Try using unknown
 plugins and the situation changes.
 
 Without knowing the precise details of every effect you could plug in
 Rosegarden has no hope of doing this. In practice I've never found it a 
 problem
 as it is easy to just jog a track left or right until it is correct.
 
 There is also a pseudo-latency effect you can get if you mix slow attack 
 sounds
 with fast attack ones (something I do a lot of). I find that usually just one
 'Jog Left' in the matrix viewer is enough - thank you very much whoever had
 that bright idea!

There are JACK-routines that report latency. E.g. the graphical
multiband EQ has some noticeble latency. Rosegarden handles this
already. Kudos to the developers!

- But there is an off-by-one bug in latency compensation in subgroups

- Audio tracks don't get latency compensated (delayed) at all:
  1.) Set up a synth plugin track
  2.) Record vocals and align them, so they are in sync
  3.) Add artificial latancy plugin to the synth plugin track, e.g. 500
  ms
  4.) Audio track is out of sync.

These are real annoying bugs because I have to align each audio snippet
when adding plugins to synth plugin tracks. Maybe (I am no god and don't
know everything) this is the reason I hardly encounter pop-like songs
recorded with Rosegarden where we have drums and bass that have to be
aligned together with vocals.

The bugs are:

- 1358  Latency Compensation Bug in Subgroups
- 1360  Latency Compensation for Audio Tracks

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Re: [Rosegarden-user] Latency

2013-01-29 Thread Holger Marzen
On Tue, 29 Jan 2013, Holger Marzen wrote:


 - Audio tracks don't get latency compensated (delayed) at all:

Forget this bad example. I caught a severe cold and my head is a bunch of
a mess.

   1.) Set up a synth plugin track
   2.) Record vocals and align them, so they are in sync
   3.) Add artificial latancy plugin to the synth plugin track, e.g. 500
   ms
   4.) Audio track is out of sync.

Use that description:
http://sourceforge.net/p/rosegarden/bugs/1360/



Test scenario:
- 1 drum track with fluid synth
- 1 audio track with the recorded drum track, aligned to perfec sync
- LADSPA plugin with noticable latency, e.g. autotalent or 4 instances of 
multiband eq

fluid synth track without plugin
audio track without plugin
- perfect sync

fluid track without plugin
audio track with plugin
- perfect sync

fluid track with plugins
audio track with plugins
- perfect sync

fluid track with plugins
audio track without plugin
- latency between both tracks, drums not perfectly in sync

So it looks as if there's no delay for an audio instrument added when
latency on a synth module instrument is detected.

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Re: [Rosegarden-user] Encouragement

2013-01-27 Thread Holger Marzen
On Sun, 27 Jan 2013, Lorenzo Sutton wrote:

 On 26/01/13 19:35, Holger Marzen wrote:
  On Sat, 26 Jan 2013, Abrolag wrote:
 
 
 [...]
 
  I encounter that's made with Rosegarden or other Open Source
  Software avoids instruments that need exact timings.
 
 Sure it's so general? Isn't this doable by setting JACK latency low? I 
 thinking of Rosegarden doing only midi and hooking instruments (e.g. 
 fluidsynth) through alsa-midi etc.

It's noticable when using effect plugins.

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Re: [Rosegarden-user] Encouragement

2013-01-26 Thread Holger Marzen
On Sat, 26 Jan 2013, Abrolag wrote:

 For Michael and the other long-suffering devs.
 
 I've just completed a project that uses Rosegarden to drive two instances of
 Yoshimi at a total of 32 different instruments for 8 minutes. It is intended 
 to
 be a demo of Yoshimi's capabilities, but I thought you'd like to know about it
 as it's also a demo of Rosegarden at the same time.
 
 The entire project was built up relying mostly on melodic parts played in real
 time with some editing later. Arps and chord stabs were also recorded live, 
 but
 unfortunately I had to quantise some of these as my playing wasn't regular
 enough - particularly on the longer sections where these old fingers are
 getting a little stiff :(

I like it an think of a children's dream :)

But there's something I must say because I hear some latency issues.
Most music I encounter that's made with Rosegarden or other Open Source
Software avoids instruments that need exact timings. I don't know if
it's caused by lacking/faulty latency compensation. But it's an
important thing, at least for me. It's easy to imagine that many
musicians tried Open Source software and ran away when they noticed that
it doesn't sound as exact and doesn't get the groove as in commercial
sowftare.

That's bad.

Unfortunately I can't do C++ and doesn't understand the internal
concepts of Rosegarden. But I think it's damn important that

- we get the off-by-one latency compensation bug in subgroups fixed
- we get the missing audio tracks don't get latency compensated at all 
  feature added
- we get a positive/negative time offset in milliseconds per track
  added or at least a milliseconds entry field, so I could delay every
  track by 100 ms and use e.g. 90 ms as a substitue for -10 ms.

That would Rosegarden make an outstanding DAW. Its track concept and its
matrix and drum editors are already very good. It's (for me) much more
important to get these bugs fixed than to add LV2 plugin capability or
audio automation.

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[Rosegarden-user] Cannot set 8 Submasters in Audio Mixer

2013-01-20 Thread Holger Marzen
On Sat, 19 Jan 2013, D. Michael McIntyre wrote:

 On 01/19/2013 01:44 PM, Holger Marzen wrote:
 
  sc2 is a sidechain compressor from the Steve Harris LADSPA plugin suite.
  Is it possible to use its sidechain in Rosegarden?
 
 If YOU haven't figured it out by now, then it probably isn't.

By trying some tricks with grouping I noticed that I can't set the audio
mixer to 8 submasters. Rosegarden crashes immediately.

I think there might be a bug both with storing the value of the number
of subgroups. Rosegarden always starts with 4 subgroups, even when I
delete ~./config/rosegardenmusic. But audio mixer's Settings-Number of
Submasters always displays the button besides No submasters. So I
guess the 4 submasters are a default value.

Regards
Holger

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Re: [Rosegarden-user] Cannot set 8 Submasters in Audio Mixer

2013-01-20 Thread Holger Marzen
On Sun, 20 Jan 2013, Tim Munro wrote:

 Holger Marzen wrote:
 
  By trying some tricks with grouping I noticed that I can't set the audio
  mixer to 8 submasters. Rosegarden crashes immediately.
 
 Hi Holger.
 
 There is a special trick involved here.  It isn't a fix, but it works for me,
 as I've been too lazy to fix it right.
 
 When you open the audio mixer and try to set the number of submasters, the
 control will initially indicate No Submasters, regardless of how many
 submasters are actually present.
 
 Click on No Submasters even though the control appears to indicate this
 already.  The existing submasters will disappear.
 
 Now when you reopen the Settings menu, you should be able to set eight
 submasters.

Indeed. Works for me. Thanks for the hint.

But it would be cool if someone could fix this UI-type bug.

Now the only¹ things that I need are:

- latency compensiation bug off be one fixed
- latency compensation for audio tracks
- effect send/return for evil audio tricks

A negative time offset per track would be cool but that can be achieved
as well with the artificial latency LASPA plugin.


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Re: [Rosegarden-user] Sidechain Compressor in Rosegarden

2013-01-20 Thread Holger Marzen
On Sat, 19 Jan 2013, D. Michael McIntyre wrote:

 On 01/19/2013 01:44 PM, Holger Marzen wrote:
 
  sc2 is a sidechain compressor from the Steve Harris LADSPA plugin suite.
  Is it possible to use its sidechain in Rosegarden?
 
 If YOU haven't figured it out by now, then it probably isn't.
 
 We don't really have an audio guy on staff right now either, so the 
 chances of getting anything done without third party help are slim to none.

OK, I am half way there:

- Bass drum panned to left, routed to a submaster
- Bass panned to right, routed to the same submaster
- sc2 compressor as plugin in the submaster
  attack time minimum
  release time 80 ms
  threshold minimum
  ration max
  makeup gain 12

Now a ducked bass is on the left but a unchanged bass on the right.
So I have to look for a mixer plugin to discard the right side and pan
the left side to the middle.

Did I say that we need at least some send/return stuff? :)

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[Rosegarden-user] Sidechain Compressor in Rosegarden

2013-01-19 Thread Holger Marzen
Hi all,

sc2 is a sidechain compressor from the Steve Harris LADSPA plugin suite.
Is it possible to use its sidechain in Rosegarden?

I'd like to duck the bass controlled by the bassdrum track.

Regards
Holger

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[Rosegarden-user] Audio files: why conv-...

2012-12-24 Thread Holger Marzen
Hi all,

to keep audio files in my project directory I always change their
path in Composition-Edit Document Properties-Audio.

But Rosegarden has some problems with recorded and deleted audio files.
Some of them are forgotten, and after a hand full of retries (record
audio, ctrl-z, redord again) Rosegarden crashes. Additionally, I cannot
play a loop and record multiple versions of an audio file.

So I have a not-too-bad workaround: Rosegarden plays the loop and I
record the audio stuff with Audacity.

That's the point where it gets a bit complicated: When I import the
audio files then Rosegarden creates a copy with prefix conv in its
name, although I export the wav-files in 32 Bit float. It would be
simpler if rosegarden would just read the imported wav-file instead
copying them. Is this possible?

Regards
Holger

P.S.: Editing the conv-files afterwards with Audacity is possible
without deleting and re-importing them.

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[Rosegarden-user] Rosegarden, 15/8 and 7/4

2012-12-16 Thread Holger Marzen
On Sat, 15 Dec 2012, Abrolag wrote:

 Anyway, enough of all this, and for some light relief, here is a track I
 recorded not too long ago... 100% Rosegarden+Yoshimi, Oh, and real guitar at
 the end :)
 
 http://www.musically.me.uk/music/Mystery.ogg

Nice piece. No-one dies, no-one cries :)

I can't play a real guitar but I have a real wife who sings.

I always wanted to record a winter/snow song. While playing around it
ended with a pattern in 15/8. A good test für Rosegarden. Problems
arouse when I changed parts inside the composition to be 7/4. Notes of
the following segments didn't sit on their exact positions. However I
managed to get them re-aligned. So Rosegarden is able to handle odd
timings, even when there are some pitfalls.

Schnee fällt (snow falls)
(made with Rosegarden, Fluidsynth-DSSI, Hexter, Whysynth)

http://www.myownmusic.de/player/?songid=355479

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Re: [Rosegarden-user] ROSEGARDEN 12.12 RELEASED

2012-12-10 Thread Holger Marzen
On Mon, 10 Dec 2012, Brett McCoy wrote:

 Just for fun, here's a little musical score I developed this weekend
 for an animated trailer (still in production)... composed with
 Lilypond, sequenced with Rosegarden (including expression, key
 switching, etc) and recorded  mixed with Mixbus. Instrument sounds
 provided by EWQL Symphonic Orchestra (hosted on a Windows machine with
 Reaper)
 
 https://soundcloud.com/brett-mccoy/pied-piper-trailer/s-RtqBC
 
 I used latest SVN trunk for this, BTW.

Sounds great. Now you only need a decent orchestra soundfont to play
everything in Rosegarden (via Fluidsynth synth plugin).

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Re: [Rosegarden-user] [Rosegarden-devel] ROSEGARDEN 12.12 RELEASED

2012-12-10 Thread Holger Marzen
On Mon, 10 Dec 2012, Aere Greenway wrote:

 Thank you all for your efforts in putting out this now release of
 Rosegarden.  I look forward to getting it on the next Ubuntu release in
 April.  

Oh BTW: I ran into a nasty limitation in fluidsynth-dssi. When using 16
instruments then the last was muted after loading the .rg-file until I
reloaded the soundfount. It drove me crazy. OK. Nearly :)

It can be fixed by
#define FSD_CHANNEL_COUNT  25
(instead of 16) in fluidsynth-dssi.h before compiling.

Rosegarden can manage 24 instruments with fluidsynth-dssi and the
additional one might be needed by a race condition while initializing.

If you are or know fluidsynth-dssi's maintainer please help fixing this
issue.

Regards
Holger

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Re: [Rosegarden-user] ROSEGARDEN 12.12 RELEASED

2012-12-10 Thread Holger Marzen
On Mon, 10 Dec 2012, Brett McCoy wrote:

 On Mon, Dec 10, 2012 at 2:25 PM, Holger Marzen hol...@marzen.de wrote:
  On Mon, 10 Dec 2012, Brett McCoy wrote:
 
  Just for fun, here's a little musical score I developed this weekend
  for an animated trailer (still in production)... composed with
  Lilypond, sequenced with Rosegarden (including expression, key
  switching, etc) and recorded  mixed with Mixbus. Instrument sounds
  provided by EWQL Symphonic Orchestra (hosted on a Windows machine with
  Reaper)
 
  https://soundcloud.com/brett-mccoy/pied-piper-trailer/s-RtqBC
 
  I used latest SVN trunk for this, BTW.
 
  Sounds great. Now you only need a decent orchestra soundfont to play
  everything in Rosegarden (via Fluidsynth synth plugin).
 
 I'd prefer to have decent orchestral samples for LinuxSampler but what
 is available is severely lacking compared to what is available for
 Kontakt or PLAY sample engines.

You can find the Sonatina Symphonic Orchestra at
  http://sso.mattiaswestlund.net/download.html

and the Maestro Concert Grand v2 at
  http://www.linuxsampler.org/instruments.html

Did you know them?

Best Regards
Holger

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[Rosegarden-user] Crescendo/Decrescendo on audio tracks?

2012-12-07 Thread Holger Marzen
Hi all,

with MIDI-tracks there is no problem doing some automation with e.g.
volume control messages. Can I automate the volume of audio tracks
(fade-in, fade-out) with Rosegarden? Maybe with MIDI-capable plugins?

Regards
Holger

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Re: [Rosegarden-user] Crescendo/Decrescendo on audio tracks?

2012-12-07 Thread Holger Marzen
On Fri, 7 Dec 2012, Tom Breton (Tehom) wrote:

  with MIDI-tracks there is no problem doing some automation with e.g.
  volume control messages. Can I automate the volume of audio tracks
  (fade-in, fade-out) with Rosegarden? Maybe with MIDI-capable plugins?
 
 I'm not aware of any capability, and I just use an external program to
 fade (sox).
 
 I do know that if it existed, internally it would have little in common
 with MIDI volume control.

It could be an amplifier plugin that would be controlled by another
audio track's level. But I don't know if that's possible with LADSPA and
with Rosegarden.

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Re: [Rosegarden-user] Bad screen size with dual screen/ radeon hd 5450

2012-11-15 Thread Holger Marzen
On Wed, 14 Nov 2012, david wrote:

 On 11/14/2012 07:08 AM, Holger Marzen wrote:
  On Wed, 14 Nov 2012, Delpistroumph wrote:
 
  Using dual screen (set up by arandr/xrandr) with XFCE4 and debian
  wheezy, Rosegarden always open in the right screen (so not the main
  screen) when I start it.
  The logo appears on the main screen but the window in the second one
  (the right one).
 
  But the real problem is if I move the window to get it back to the main
  screen, the window size exploze to something like 100 measure!
  If I don't try that, but try to reduce it before, it's the same=explose
  to 10mesure when I try reduce the window.
 
  I have only one screen but have to use Rosegarden maximized. Else the
  window becomes tens of screens wide after I started the audio mixer
  once.
 
 I use RG on only one screen, on Debian Sid and XFCE4, on two different 
 systems, and don't have any such problems.

Hmmm... I switched back to non-maximized, got a wde window, resized
it and the bug seems to be gone.

Cool.

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Re: [Rosegarden-user] Bad screen size with dual screen/ radeon hd 5450

2012-11-14 Thread Holger Marzen
On Wed, 14 Nov 2012, Delpistroumph wrote:

 Using dual screen (set up by arandr/xrandr) with XFCE4 and debian 
 wheezy, Rosegarden always open in the right screen (so not the main 
 screen) when I start it.
 The logo appears on the main screen but the window in the second one 
 (the right one).
 
 But the real problem is if I move the window to get it back to the main 
 screen, the window size exploze to something like 100 measure!
 If I don't try that, but try to reduce it before, it's the same=explose 
 to 10mesure when I try reduce the window.

I have only one screen but have to use Rosegarden maximized. Else the
window becomes tens of screens wide after I started the audio mixer
once.

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Re: [Rosegarden-user] MIDI-notes get split

2012-11-10 Thread Holger Marzen
On Sun, 4 Nov 2012, D. Michael McIntyre wrote:

 On 11/03/2012 12:49 PM, Holger Marzen wrote:
 
  when I record long notes then Rosegarden splits them. See
  http://www.marzen.de/tmp/rg_001.png
  for an example. Is there a setting to prevent that?
 
 Yes, but I don't remember where it is, or have time to look it up.

I found it:

Edit - Preferences - Notation - [ ] When ... split-and-tie long ...

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[Rosegarden-user] fluidsynth-dssi: instance limit

2012-11-08 Thread Holger Marzen
Create 16 tracks with fluidsynth as dssi plugin, each its own
instrument. Works.

Save the .rg-file. Load it again. Instrument #16 is dead and can only be
revived with reloading fluidsynth-dssi.

Creating a 17th instrument with fluidsynth-dssi can lead to anything,
including noise and frozen Rosegarden.

Standard fluidsynth-dssi is configured with max. 16 instances, so there
might be a race condition: it can't always initialize all 16 instances.

The solution requires re-compiling fluidsynth-dssi (not the whole
fluidsynth). See
http://sourceforge.net/projects/dssi/files/fluidsynth-dssi/
and grab the latest version (1.0.0). In README there's the hint:

4. If you wish to change the maximum number of simultaneous
instances supported by FluidSynth-DSSI (currently 16), edit the
file src/fluidsynth-dssi.h and change the FSD_CHANNEL_COUNT
definition.

I set it on 25. That's perfect for Rosegarden (max. 24 synthesizer
plugin instruments plus one for the race condition).

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Re: [Rosegarden-user] How to disable JACK?

2012-10-31 Thread Holger Marzen
On Wed, 31 Oct 2012, John O'Hagan wrote:

 On 29/10/12 09:33, D. Michael McIntyre wrote:
  On 10/28/2012 02:06 PM, Jim Cochrane wrote:
  jackd is started up whenever I start
  rosegarden, even though this box is unchecked.  Is there another spot in
  the GUI to disable jack that I'm not seeing?
 
  There is no box for that as such.  Rosegarden isn't starting jackd so
  much as the JACK API is starting jackd.  I misremember the technical
  details, but basically we made a minor change to use a different API
  call, and now the audio server starts itself when Rosegarden does if
  it's not already running.  This is basically a good thing, since it
  starts Rosegarden with all of its features enabled by default.
 
 [...]
 
 
  I suppose we could consider making some config option that would prevent
  Rosegarden from even attempting to start JACK, but I'd really rather not
  bother unless there is a lot of demand.  It's just one more confusing
  configuration option for people to misunderstand, one more thing for
  everybody to have to translate, and one more thing for users to forget
 [...]
 
 I agree with the approach, but there is an unfortunate consequence in 
 this case, at least on my Debian XFCE box, RG 12.04: after using 
 Rosegarden, jackd remains running, and prevents all my normal (ALSA) 
 applications' audio from working, except the handful which are 
 automatically jack-aware. This means manually terminating jack, from a 
 task manager or whatever, after each RG session; users still have to 
 manage jack, with all the attendant potential for confusion.

On my Xubuntu 11.10 I never had a problem. Rosegarden started and endet
my jackd. My .jackdrc was /usr/bin/jackd -dalsa -r44100 -p128 -n2 -Xseq
-D -Chw:5,1 -Phw:0,1

But since JACK has so many advantages (e.g. recording flash-sound when
running firefox to record streaming-only content in the web) I decided
that all applications should be redirected to jack. This works with the
following ~./asoundrc or /etc/asound.conf:

pcm.!default {
type plug
slave.pcm jack
}

pcm.jack {
type jack
playback_ports {
0 system:playback_1
1 system:playback_2
}
capture_ports {
0 system:capture_1
1 system:capture_2
}
}

My jackd is now started by qjackctl that's autonatically started by my
session manager.

I can now even record the sound that's produced by virtual machines
(VirtualBox), eg. browser sounds of a Windows-VM.

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Re: [Rosegarden-user] Metronome don't play right flow rate!

2012-10-24 Thread Holger Marzen
On Tue, 23 Oct 2012, Delpistroumph wrote:

 Hi all.
 
 I'm a drummer and I use to work with Ardour2 and a Korg KDM2 metronome.
 When I set 120 on the Korg KDM2 metronome, it's the same flow rate as Ardour2:
 I can use the grid or the ardour2 metronome:
 _ it's the same flow rate_.
 
 But not with rosegarden!
 
 So I guess it's rosegaden that don't play the good flow rate.
 
 Know issue?
 Any solutions?

Depends on your PC.

I had some problems with Rosegarden running faster and slower. But this
wasn't Rosegarden's fault.

On Intel Core-CPUs we have 2 mechanisms setting CPU speed:
- Speedstep
- Turbo Boost

While the Linux system timer can handle Speedstep (e.g. set by cpufreqd)
it can't handle Turbo Boost. Turbo Boost increases CPU's clock when only
one CPU-core need's more power.

My solution:
Disable Turbo Boost in the PC's BIOS.


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Re: [Rosegarden-user] Synths: other collections(?)

2012-10-20 Thread Holger Marzen
On Fri, 19 Oct 2012, k...@trixtar.org wrote:

 On Thu, 18 Oct 2012 12:45:26 +0200 (CEST)
 Holger Marzen hol...@marzen.de wrote:
 
  You can create several instances (green cross on the bottom left) in
  Qsynth, each with another soundfont and MIDI-channel. That sould be the
  way to go.
 
 Setting a different soundfont is optional, is it? 

Yes, but loading one into each instance is necessary.

 By midi channel you mean communications like 131:0?
 [I thought a midi channel was like one of 16 musical 
  instrument sounds available per synthesizer]

MIDI-Channels go from 1 to 16. In the Hardware-world MIDI is a bus
system where you can daisy-chain many synthesizers. Each synthesizer is
set to a unique channel so note-on- (and other commands) can be directed
to the desired synthesizer. The commands include a field for the
channel-no.

 I managed to create 3 instances of Qsynth and then included 
 them in Rosegarden Manage-Midi-Devices and got them to
 play some segments. I get nice sound quality with this 
 method, way better than Zyn, but..  How do I set up one of 
 the 128*banks available 'programs' or musical instrument sounds?  

Zyn and fluidsynth (the core of qsynth) are totally different. Zyn is a
synthesizer that has configurations or patches for each sound. There
is no standard way of organising them.

Fluidsynth is a soundfont-player or a play-only-sampler. In the
soundfonts there are samples and settings. In the case of a General
MIDI soundfont there is a standard way to organize the sounds.

I am no expert in the world of assigning descriptions to sounds. There
is much more to know. For example there are some description files for
some well known synthesizers and their factory sounds. 

 Right clicking on the track title in Rosegarden offers up 
 to chose the Qsynth instance and 16 numbers, how do I 
 corelate those numbers to sounds in the loaded sf2 file? 
 Suppose I want that track to play a deep cello, where and 
 how do I set that?  
 
 So much for virtual midi 'devices'.

I organize it differently. For each instrument I use a separate track
and a separate synthesizer plugin instrument. Then there's no hassle
with MIDI-channels:

Track 1 - fluidsynth synth plugin - instrument 1 - soundfont x with program a
Track 2 - fluidsynth synth plugin - instrument 2 - soundfont x with program b
Track 3 - zynadsubfx synth plugin - instrument 3 - program c
Track 4 - whysythn synth plugin -   instrument 4 - program d

It's handy to always have track number and instrument number equal. This
is not always possible since you can have MIDI, synth plugin and audio
tracks.

It's a good idea to have a fluidsynth with a selected drum program (e.g.
standard) on track 10, instrument 10. It can be used as metronome.

My way of doing it is having as many synth plugin tracks as I need, e.g.
from 1 to 12 and then start the audio tracks behind.

  Bit I recommend using fluidsynth as synth plugin instruments in
  Rosegarden, each with its own soundfont. Latency is much better and
  Rosegarden remembers all settings. It's no problem having 3 instruments
  with FluidR3_GM.sf2, each with a different sound selected and 2
  instruments with PC51f.sf2.
 
 This bit I don't understand but if it cuts down on latency 
 then I want to understand it because I'm using OpenSUSE and 
 they no longer bother with low-latency kernels. However the
 Rosegarden manual say this about plugins (I presume 'as
 opposed to midi devices'): 
 
 The use of plugins has a cost in CPU time, as audio processing 
  in real time usually takes a significant amount of work even on 
  a modern CPU. It also has a potential cost in reliability: when 
  Rosegarden is running a plugin, if the plugin hangs or crashes, 
  so does Rosegarden. Many plugins are very reliable, but it's 
  inevitable that some will not be so well tested. 

CPU time is always needed für synths, regardless if they are loaded as
DSSI-plugins or if they are started as standalone programs like Qsynth.

The author means LADSPA-plugins to create effects like equalizer,
reverb, phaser and others. But they are meant to be used, so use them if
you need them :)

 Anyway, I right click on a track #3 title and select Synth 
 Plugin and the number 14 meaning that this synth DSSI plugin 
 (to be next defined) will be used by Rosegarden internally 
 without setting it up as a Midi-Playback-Device. This shows 

Yep. But I recommend to use synth plugin instrument #3 on track #3.

 up under Track Params as info but there is nothing to do there. 
 Next I go to Instrument-Params which shows the same Synth 
 Plugin #14 and I click the no synth button to define this 
 #14 plugin. A dialog pops up where I can select Plugin: 
 Fluidsynth DSSI plugin
 
 And then what? I can change the volume here and there are also 
 some effects plugins too but where do I set the musical 
 instrument sound I want this 'Fluidsynth DSSI plugin' that 
 is plugin #14 to play track #3 using xyz.sf2?

- Right-click on track #4's title

Re: [Rosegarden-user] Synths: other collections(?)

2012-10-20 Thread Holger Marzen
On Sat, 20 Oct 2012, Holger Marzen wrote:

 - Right-click on track #4's title, select synthesizer plugin #3

It should read
  - Right-click on track #3's title, select synthesizer plugin #3

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Re: [Rosegarden-user] compilation failed on Gentoo

2012-10-20 Thread Holger Marzen
On Sat, 20 Oct 2012, Bruynooghe Pierre wrote:

 Hi. Il try to compile the last Rosegarden svn version on Gentoo. But,
 during the make, I obtained this error :
 
 /usr/lib/gcc/i686-pc-linux-gnu/4.5.4/../../../../i686-pc-linux-gnu/bin/ld:
 cannot find -lQtGui
 /usr/lib/gcc/i686-pc-linux-gnu/4.5.4/../../../../i686-pc-linux-gnu/bin/ld:
 cannot find -lQtXml
 /usr/lib/gcc/i686-pc-linux-gnu/4.5.4/../../../../i686-pc-linux-gnu/bin/ld:
 cannot find -lQtNetwork
 /usr/lib/gcc/i686-pc-linux-gnu/4.5.4/../../../../i686-pc-linux-gnu/bin/ld:
 cannot find -lQtCore
 collect2: ld a retourné 1 code d'état d'exécution
 make: *** [rosegarden] Erreur 1
 
 -
 On my Gentoo, dependencies like qt-guiqt-xmlpatterns and qt-core and, 
 are installed.
 
 I don't understand. Regards Pierre

Do you have libQtGui.so?

I compile on my Ubuntu (4 CPU cores) like this:
./configure --with-qtlibdir=/usr/lib/x86_64-linux-gnu
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Re: [Rosegarden-user] Synths: other collections(?)

2012-10-18 Thread Holger Marzen
On Wed, 17 Oct 2012, k...@trixtar.org wrote:

 I have about 10 *.sf2 files in a folder, the 2 biggest ones are
 
   FluidR3_GM.sf2  149 mb
   PC51f.sf263 mb
 
 and I suppose that each of them contain hundreds of musical instruments
 just like Zyn does. 
 
 I selected all of the sf2 files in the Qsynth setup Soundfonts 
 browser dialog so now when I open that dialog all 10 are there. 
 There seems to be NOTHING to do in that dialog except to sequence 
 them in a top down order with move up/down buttons. I presume 
 only one sf2 file can be selected at a time, and that one is 
 whichever one is at the top.

You can create several instances (green cross on the bottom left) in
Qsynth, each with another soundfont and MIDI-channel. That sould be the
way to go.

Bit I recommend using fluidsynth as synth plugin instruments in
Rosegarden, each with its own soundfont. Latency is much better and
Rosegarden remembers all settings. It's no problem having 3 instruments
with FluidR3_GM.sf2, each with a different sound selected and 2
instruments with PC51f.sf2.

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Re: [Rosegarden-user] Synths: ZYN sofar 2 of 5 ways

2012-10-16 Thread Holger Marzen
On Tue, 16 Oct 2012, k...@trixtar.org wrote:

 
 
 I found this 2008 rosegarden tutorial by D. Michael McIntyre 
 @ http://www.rosegardenmusic.com/tutorials/supplemental/zyn/zyn.html
 in which he explains how to use the ZYN synth. He begins with 
 launching ZYN and then watching Qjackctl connect it, etc. But 
 rosegarden-11.11.42 can use ZYN without it being started manually 
 i.e. ZYN figures in the synth list. Is there there a difference?
 Is this second condition a result of rosegarden having detected 
 an installed ZYN package and just using it? 
 
 The reason I'm asking is that sofar I've found only 2 ways to
 get sound from ZYN: via what seems to be the above internal rosegarden 
 selection with rosegarden running, or without jack (and thus without 
 rosegarden) when ZYN is started manually with the command padsp 
 zynaddsubfx.  
 [OpenSUSE-12.2 in which the jack/qsynthctl/rosegarden combo now 
 otherwise works nicely]. 

There are basicalle 2 ways to start a synth:

1.) as a standalone program. You have to set it up to use the correct
audio driver. In Rosegarden you have a MIDI instrument as its
representation.

2.) as a DSSI synth plugin. It integrates into Rosegarden and its JACK
connection AND it won't suffer from ALSA MIDI latencies. In
Rosegarden you have a synth plugin instrument.

Fortunately some synths are available both as a standalone program and
as a DSSI plugin, including fluidsynth and zyn.

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

2012-10-03 Thread Holger Marzen
On Wed, 3 Oct 2012, Delpistroumph wrote:

 But I still have the error warning message: 'midi timer resolution to low'.(in
 French for my version)

I don't know if ALSA is fixed already. At least with 3.0 kernel the
system locks if you use hrtimer with a sequencer.

A realtime kernel is something people used to boost the jack performance
with slow CPUs. It's not needed for Rosegarden's functionality.

Important für Rosegarden is a kernel with HZ1000 enabled, that's the
scheduling frequency. Then Rosegarden's warning disappears. Check if
it's enabled. If not, enable it and compile the kernel again.

Regards
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Re: [Rosegarden-user] Some questions for rosegarden users

2012-09-30 Thread Holger Marzen
On Sun, 30 Sep 2012, dusthillresid...@netscape.net wrote:

 Does anyone else use the ability to change the colour of different 
 segments? PENIS. I do sometimes, mainly to indicate song structure. For 
 example, the segments for the intro are blue, the middle part red, and 
 etc.

No. I give them appropriate names, that's all.

Regards
Holger

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Re: [Rosegarden-user] New sound, new way of working

2012-09-29 Thread Holger Marzen
On Sat, 29 Sep 2012, Abrolag wrote:

 I've finally worked out how to use two keyboards recording to two different
 tracks with two different voices at the same time, but through one instance of
 Rosegarden and with sounds from one of yoshimi. Also I have a new instrument
 sound, that I call Solo.
 
 So now I can freely record a genuine two handed improv, hearing as I play
 exactly the same as it will playback. Up to now I've had to record to a single
 sound, then split out the left hand.

I was always happy that technology lets me play one after another :)

I even like it to add modulation wheel and pitch bend in a second step.

Best Regards
Holger

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

2012-08-27 Thread Holger Marzen
On Mon, 27 Aug 2012, Noel Darlow wrote:

 Long time XFCE user here. I can't remember ever having a problem. 

XFCE4 ist *my* successor of KDE3.

http://www.marzen.de/tmp/xfce4.png

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[Rosegarden-user] Audio segments not showing their contents (waveform)

2012-08-27 Thread Holger Marzen
On Thu, 26 Apr 2012, D. Michael McIntyre wrote:

 On Wednesday, April 25, 2012, Abrolag wrote:
 
  The first is that an audio segment doesn't show any contents for several
  bars although it plays correctly. With some of my shorter segments this
  means I don't get to see anything at all.
 
 Confirmed.  I've looked at this one more than once, but I've never managed to 
 figure it out.

I had that problem never with 11.04 but with 12.04 there is no audio
segment at all showing content. Bad for fine-alignment.

Something must have changed since then.

Regards
Holger

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Re: [Rosegarden-user] Audio segments not showing their contents (waveform)

2012-08-27 Thread Holger Marzen
On Mon, 27 Aug 2012, Holger Marzen wrote:

  For me, I was delighted to see the problem was resolved in SVN 12959
 
 I pulled the development snapshot 12981. It's not fixed. It draws a
 horizontal line but no waveform. Sometimes it draws nothing.

I deleted ~/.config/rosegardenmusic and now the audio tracks are
displayed fine.

Regards
Holger

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Re: [Rosegarden-user] Audio segments not showing their contents (waveform)

2012-08-27 Thread Holger Marzen
On Mon, 27 Aug 2012, Michael McIntyre wrote:

 I think I released the fix in June, but don't remember.  As I recall,
 the fix worked.
 
 Everyone please bear with my growing pains here.  I got KDE working
 after a clean install, but the new KMail has huge problems.  I'm
 giving up on it and migrating to something else, in spite of how much
 it pains me to do so.

Give Claws mail a try if it has to be clickable.
I use (al)pine for more than a decade. No buttons, no cry.

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Re: [Rosegarden-user] Entering values for LADSPA plugins directly

2012-08-26 Thread Holger Marzen
On Sun, 26 Aug 2012, D. Michael McIntyre wrote:

 On Saturday, August 25, 2012, Holger Marzen wrote:
 
  I cannot set the values directly. Setting them with the mouse (turning
  the knob) works but is way too coarse. Entering the value in the input
  field or using up and down arrows always leads to the minimum value of
  0.25.
 
 Same thing here with the latest development build.  You're not crazy.
 
 Using the AM pitch shifter thing as a test bed, the knob that moves in 
 integer 
 increments seems to be working just fine.  The knob that lets you set a 
 floating point value has big problems.
 
 The display appears to be limited to two decimal places of precision, but the 
 arrow buttons obviously let you make changes in finer increments than that.  
 The result is that you have to click repeatedly in order to see a visible 
 change.

That's not for every plugin a big problem. I noticed that the phaser
gets finer LFO-changes than those displayed. So if I klick the arrow 2
times then the 2-decimal-value doesn't change but the LFO-frequency
changes.

Back to the AM pitch shifter: Changing the values with an editor in the
.rg-file works. Not really user-friendly but it's a workaround. Frank
Zappa's advice in The Slime is That's right, folks, don't touch that
dial!

 Once you've made the change, either by using the arrow buttons or by typing a 
 value directly, that change gets corrupted somewhere along the way.  Try to 
 change to 1.03 and the result is the knob gets set to some fantastically 
 wrong 
 number like 1e-10.
 
 That kind of wildly nonsensical number is usually an uninitialized variable, 
 but it seems like there could definitely be type conversion and/or precision 
 issues mixed up in here too.  I'm weak on floating point math, so this might 
 be a common pattern I don't even recognize.

My stomach says that it's a casting problem.

Unfortunately my Ubuntu 11.10 has not the needed library- and header
versions, so I can't compile RG here and try to find the bug

My holidays before christmas should give me the time zo update my Ubuntu
to 12.04 LTS.

Best Regards
Holger

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[Rosegarden-user] Entering values for LADSPA plugins directly

2012-08-25 Thread Holger Marzen
Hi all,

some plugins are unusable for me because I cannot enter arbitrary
values. The AM pitch shifter plugin has a range from 0.25 to 4. But I
cannot enter values directly. 

It doesn't seem to be a language problem (messing with , and .). Even if
I start Rosegarden with
  LANG=en_us.utf8 rosegarden
I cannot set the values directly. Setting them with the mouse (turning
the knob) works but is way too coarse. Entering the value in the input
field or using up and down arrows always leads to the minimum value of
0.25.

Rosegarden version is 11.06.

Any ideas?

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Re: [Rosegarden-user] Stumbling notes when recording

2012-08-24 Thread Holger Marzen
On Fri, 24 Aug 2012, Lorenzo Sutton wrote:

 On 19/08/12 09:25, Holger Marzen wrote:
  Say:
 
  - Track 1
  - Fluidsynth plugin, GM Soundfont, drumset-sounds
  - One Segment already recorded
 
  When I record an additional segment with an USB-keyboard (piano-keys,
  not computer keys) while the existing segment is played then some new
  notes get severely delayed or swallowed. They are recorded at the right
  timestamp but their sound is delayed, what confuses me while recording.
 
  Ist that a known issue? Is it fixed in versions after 11.06?
 
 It might not be a Rosegarden issue... I would check if your jack is 
 set-up to use realtime and a good low latency? I've experienced this 
 being rather important for fluidsynth 'smoothness', although in my 
 experience less relevant with the fluidsynt, Although I must say I have 
 very little experience with usb (musical) keyboard.

Hi Lorenzo,

Jack runs fine, latencies in Jack are no problem. There are only latency
problems when

- using plugins with big latencies like graphical EQ
- using synths as external programs instead of using as a dssi-plugin

I guess there are either loops or general midi-routing problems when
recording the same instrument that's played with already existing
segments.

Regards
Holger

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

2012-08-20 Thread Holger Marzen
On Mon, 20 Aug 2012, jott27 wrote:

 Rosegarden on Ubuntu 12.04
 My Realtek sound card on HP-Pavilion-dv9500-Notebook does not support
 soundfonts.
 What can I use to get sound working?

Use Fluidsynth, either standalone as external programm (controlled by
qsynth for example) or as a DSSI synth module in Rosegarden (very
recommended).

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[Rosegarden-user] Stumbling notes when recording

2012-08-19 Thread Holger Marzen
Say:

- Track 1
- Fluidsynth plugin, GM Soundfont, drumset-sounds
- One Segment already recorded

When I record an additional segment with an USB-keyboard (piano-keys,
not computer keys) while the existing segment is played then some new
notes get severely delayed or swallowed. They are recorded at the right
timestamp but their sound is delayed, what confuses me while recording.

Ist that a known issue? Is it fixed in versions after 11.06?

Best Regards
Holger

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Re: [Rosegarden-user] Newbie, asking for help to setup an audio recording

2012-07-01 Thread Holger Marzen
On Sun, 1 Jul 2012, Stephen H. Dawson wrote:

 Getting up and running with Rosegarden on my Linux Mint box.  Have spent 
 many years with pro audio, and some time with Ableton Live. Windows box 
 motherboard went, tired of giving $$$ to Microsoft. Going down the Linux 
 road.
 
 Need to recored a very simple audio file.  This would be from a mic in 
 the webcam I have.  I need to record some simple audio of myself 
 speaking.  I would use the Linux Mint native sound recorder. However, I 
 need to pause the recording every so often, as it is a long recording 
 and that feature is not available in the Linux Mint native sound recorder.

Rosegarden would be a bit of overkill since you need to set up jackd.
I recommend Audacity. If your Webcam's mic is recognised by ALSA then
you can select it in Edit-Preferences-Devices, see
http://www.marzen.de/tmp/audacity.jpg

It's that simple.

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[Rosegarden-user] Crash when adding groups in audio mixer

2012-05-31 Thread Holger Marzen
Starting Rosegarden 11.06 and adding groups in audiomixer in an empty
set works ok. But when I add groups after loading an .rg file then
rosegarden crashes.

Known issue? Solved?

Regards
Holger

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[Rosegarden-user] Vibrato speed with FluidSynth

2012-05-21 Thread Holger Marzen
Hi all,

I use FluidSynth as a DSSI plugin in Rosegarden. When I choose a sound
and add some modulation (mostly vibrato) then I often find the vibrato's
frequency too high. Is there a simple way to lower the speed of the
vibrato? Do I have to edit the soundfont? How?

Best regards
Holger

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Re: [Rosegarden-user] Rosegarden's Future

2012-05-11 Thread Holger Marzen
On Thu, 10 May 2012, Chris Cannam wrote:

 On 10 May 2012 12:38, Richard Bown richard.b...@ferventsoftware.com wrote:
  On one point - who hosts the RG website currently and any chance making 
  this editable with some non stone-age tools and for multiple users?
 
 I host it. It gets updated automatically from the Subversion repo.
 (https://rosegarden.svn.sourceforge.net/svnroot/rosegarden/website)

So can I add a song and some text/images there or would it be better to
setup an own page and link there?

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[Rosegarden-user] Rosegarden, Linux and Turboboost

2012-04-14 Thread Holger Marzen
Hi all,

I had a hard time finding out why Rosegarden sometimes shifts to a
higher speed and - after some seconds - shifts back again. Audio tracks
were out of sync then.

Obviously my Linux 3.0 kernel has no problem with Speedstep (varying CPU
clock) but with Turboboost. After I switched off Turboboost in the BIOS
the speed shifts nerver happened again.

System:
  Core i5-2300, Xubuntu 11.10, Rosegarden 11.06

.jackdrc:
  /usr/bin/jackd -R -dalsa -D -Phw:0,0 -Chw:0,0 -Xseq -p256 -r44100

Regards
Holger

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