Description:

Qtractor is an audio/MIDI multi-track sequencer application written in C++ with the Qt framework. Target platform is Linux, where the Jack Audio Connection Kit (JACK) for audio and the Advanced Linux Sound Architecture (ALSA) for MIDI are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio.

Features:

- Multi-track audio and MIDI sequencing and recording.
- Developed on the Qt C++ application and UI framework [1].
- Uses JACK [2] for audio and ALSA [3] sequencer for MIDI
as multimedia infrastructures.
- Traditional multi-track tape recorder control paradigm.
- Audio file formats support: OGG (via libvorbis [6]),
MP3 (via libmad [7], playback only), WAV, FLAC, AIFF
and many, many more (via libsndfile [4]).
- Standard MIDI files support (format 0 and 1).
- Non-destructive, non-linear editing.
- Unlimited number of tracks per session/project.
- Unlimited number of overlapping clips per track.
- XML encoded session/project description files (SDI).
- Point-and-click, multi-select, drag-and-drop interaction
(drag, move, drop, cut, copy, paste, paste-repeat, delete, split, merge).
- Unlimited undo/redo.
- Built-in mixer and monitor controls.
- Built-in connection patchbay control and persistence
(a-la QjackCtl [16]).
- LADSPA [5], DSSI [11], native VST [12] and LV2 [13] plug-ins support.
- Unlimited number of plug-ins per track or bus.
- Plug-in presets, programs and chunk/configurations support, including
native VST FXB/FXP file support.
- Unlimited audio/MIDI effect send/return inserts per track or bus.
- Loop-recording/takes.
- Audio/MIDI clip fade-in/out, cross-fade (linear, quadratic, cubic).
- Audio/MIDI clip gain/volume, normalize, export.
- Audio/MIDI track and plugin parameter automation (dynamic curves,
sample&hold, linear and spline modes).
- Audio clip time-stretching (WSOLA-like or via librubberband [9]),
pitch-shifting (via librubberband [9]) and seamless sample-rate
conversion (via libsamplerate [8]).
- Audio/MIDI track export (mix-down, render, merge, freeze).
- Audio/MIDI metronome bar/beat clicks.
- Unlimited tempo/time-signature map.
- Unlimited location/bar markers.
- MIDI clip editor (matrix/piano roll).
- MIDI instrument definitions (a-la Cakewalk(tm) (*.ins) [18]);
SoundFont (*.sf2) and MIDI Names XML (*.midnam) files also supported.
- MIDI controller mapping/learn/assignment (mixer and plug-in parameters).
- MIDI system exclusive (SysEx) setups.
- JACK transport sync master/slave.
- JACK session support.
- NSM (Non Session Management) support [15].
- MMC control surface enabled.
- MIDI Clock, Song Position Pointer (SPP) support.
- Configurable PC-keyboard and MIDI controller shortcuts.
Last changelog:

0.8.5 2017-12-04 Autumn'17 Beta 12 days ago

- Audio clip gain and panning properties are now taken into consideration when hash-linking (aka. ref-counting) their back-end buffers.
- New out-of-process plug-in inventory scan and cache option, replacing the old (aka. dummy) VST plug-in scan option and extending its function to all other plug-in types: LADSPA, DSSI and also LV2 (cache only).
- A File System browser and tree-view is finally integrated as a dockable-widget on the main application window (cf. main menu View / Window / File System).</li>
- Drag-and-dropping of session, audio and MIDI files over the main track-list (left pane) is now possible, allowing for yet another quick means to open a new session or add new tracks to the current session.
- MIDI input/capture time-stamping has been fixed as much to avoid missing inbound events, when play-head is near the loop-end point and the loop-start is set below the absolute first half-a-second (<0.5sec).
- LV2 Time/Transport speed information is now set on rolling when in audio export aka freewheeling mode.
- Added *.SF3 to soundfont instrument files filter, on View > Instruments... > Import... file dialog.
- A brand new View/Options.../Display/Meters/Show meters on track list/left pane option has been added.

dragonlord79

9 years ago

Hey man you did a really good job with Qtractor !
It was time that a cool audio sequencing application was developed !
To be honest I haven't tried it yet, but I'm following with pleasure your constant improvements and efforts. I am a hard user of Cubase SX and I would really love to definitely switch to Linux also for that purpose, and achieve 0 latency recording and mastering.
The key thing for these applications is a serious VST instruments support. Once you get it you're done ! Have you planned it at all for the future ?

Again, many congratulations !

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rncbc

9 years ago

Thanks, and please, do have a try. It will much appreciated.

Regarding VST support: it is in deed in the workings. On the workbench there's DSSI and native VSTi plug-in support. That's right, with DSSI-VST you will reach windows VSTs through wine, and with native VSTs you should have an open road to native linux VSTs (yes, there are some few out there;)

it's coming, but I can't really tell when it will be ready ;)

byee

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MiTcX

9 years ago

hi,
great app !
i would like to save the project but not in a media file, can we ? like the audacity .aup

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MiTcX

9 years ago

ok, i found it.
maybe the 2 windows when you want to save are unusual, for me

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rncbc

9 years ago

Maybe we're confusing disparate concepts; probably it needs some clarification.

In qtractor, exporting is the process to produce a mix-down of one or several tracks resulting into a brand new media file; it's like rendering audio _or_ MIDI into a new media file (either audio file _or_ SMF, not both).

OTOH, regarding the "project" concept, IIUC, is here known and called as "session", as the program's "working session". This working session is rightly stored as a XML encoded file (.qtr file ext/suffix) as being the complete description of the arrangement, including all audio/MIDI tracks, clips, buses and the whole setup made while operating the application program. Have this noted, that a session file does NOT ever store or include any kind of media contents, rather just the file path references where it might get found in the local file system.

HTH

Cheers && Happy New Year

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mapi

10 years ago

Mandriva 2008.0 i686 rpm here:

http://mandriva.99k.org/

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vwinwv

10 years ago

here is a problem i ran into...


make[1]: Entering directory `/tmp/qtractor-0.0.5.702'
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtXml -I/usr/include/qt4/QtXml -I/usr/include/qt4 -Isrc -I/usr/include/qt4 -I/usr/include/qt4 -I/usr/local/include -I/usr/include -I/usr/include/qt4 -I. -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtXml -I/usr/include/qt4/QtXml -I/usr/include/qt4 -Isrc -I/usr/include/qt4 -I/usr/include/qt4 -I/usr/local/include -I/usr/include -I/usr/include/qt4 -I. -I. -o qtractorMainForm.o src/qtractorMainForm.cpp
src/qtractorMainForm.cpp: In constructor ‘qtractorMainForm::qtractorMainForm(QWidget*, Qt::WindowFlags)’:
src/qtractorMainForm.cpp:232: error: ‘class QDoubleSpinBox’ has no member named ‘setKeyboardTracking’
make[1]: *** [qtractorMainForm.o] Error 1
make[1]: Leaving directory `/tmp/qtractor-0.0.5.702'
make: *** [qtractor] Error 2

i did get the ./configure to work...i install qt4-kdecopycat-{core,dev,gui,sql}
libasound2 and dev
ladsps-sdk

but,when i go to make i get this error...i tried the cd/ win32 qmake && make but i get the same thing...any thoughts?

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rncbc

10 years ago

That is a light Qt 4.3 version mismatch somewhere (nb. you're dealing with a Qt4 version suited for KDE4, maybe Qt4.3.0, which I have skipped).

Please, edit src/qtractorMainForm.cpp and change line 232, or around where it reads:

#if QT_VERSION >= x040300
m_pTempoSpinBox->setKeyboardTracking(false);
#endif

change it to:

#if QT_VERSION >= 0x040301
m_pTempoSpinBox->setKeyboardTracking(false);
#endif

or, just get rid of the #if/endif block if you like; it's only usable on >= Qt4.3.1 anyway ;)
--
rncbc aka Rui Nuno Capela

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andreak

10 years ago

Hi.
Apparently Kubuntu only provides the JACK application and not the devel-libs. Or am I wrong? Anybody who can point me to the .debs for "jackd-devel"?

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rncbc

10 years ago

as i used to say, i'm no debian expert, but i do remember that the packages name to look for ought to be libjack-dev, libjack0-dev or even libjack0.100.0-dev on some older dabianese package naming convention.

guess its in ubuntu's universe repository but who am i to tell that for sure :)

cheers.

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andreak

10 years ago

libjack0.100.0-dev did the trick:-)

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burundukkedbl

10 years ago

g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/lib/qt4/mkspecs/linux-g++ -I. -I/usr/lib/qt4/include/QtCore -I/usr/lib/qt4/include/QtGui -I/usr/lib/qt4/include/QtXml -I/usr/lib/qt4/include -Isrc -I/usr/lib/qt4/include -I/usr/local/include -I/usr/include -I. -I. -o qtractorFileListView.o src/qtractorFileListView.cpp
src/qtractorFileListView.cpp: In member function ‘void qtractorFileListView::itemClickedSlot(QTreeWidgetItem*)’:
src/qtractorFileListView.cpp:594: error: ‘class qtractorFileGroupItem’ has no member named ‘setExpanded’
src/qtractorFileListView.cpp:594: error: ‘class qtractorFileGroupItem’ has no member named ‘isExpanded’

Mandriva Linux 2007 qt 4.1.4

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rncbc

10 years ago

Oops. You're on Qt 4.1, the offending code is already over Qt 4.2, sorry.

As quick workaround you may edit the offending file, src/qtractorFileListView.cpp, line 594, and where you read:

pGroupItem->setExpanded(!pGroupItem->isExpanded());

substitute it exactly by:

setItemExpanded(pGroupItem, !isItemExpanded(pGroupItem));

or you can wait and I will fix that on CVS in a few minutes :)

Cheers.

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burundukkedbl

10 years ago

from last svn objects compiled normally? but when linking see this:
qtractorMidiClip.o: In function `qtractorMidiClip::seek(unsigned long)':
qtractorMidiClip.cpp:(.text+0xd1): undefined reference to `qtractorMidiCursor::seek(qtractorMidiSequence*, unsigned long)'
qtractorMidiClip.o: In function `qtractorMidiClip::reset(bool)':
qtractorMidiClip.cpp:(.text+0x279): undefined reference to `qtractorMidiCursor::reset(qtractorMidiSequence*, unsigned long)'
qtractorMidiClip.o: In function `qtractorMidiClip::process(unsigned long, unsigned long)':
qtractorMidiClip.cpp:(.text+0x4d7): undefined reference to `qtractorMidiCursor::seek(qtractorMidiSequence*, unsigned long)'
qtractorMidiClip.o: In function `qtractorMidiClip::drawClip(QPainter*, QRect const&, unsigned long)':
qtractorMidiClip.cpp:(.text+0x742): undefined reference to `qtractorMidiCursor::reset(qtractorMidiSequence*, unsigned long)'
qtractorMidiClip.o: In function `qtractorMidiClip::qtractorMidiClip(qtractorTrack*)':
qtractorMidiClip.cpp:(.text+0x9ae): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.cpp:(.text+0x9bc): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.o: In function `qtractorMidiClip::qtractorMidiClip(qtractorTrack*)':
qtractorMidiClip.cpp:(.text+0xaae): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.cpp:(.text+0xabc): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.o: In function `qtractorMidiClip::openMidiFile(qtractorMidiFile*, int)':
qtractorMidiClip.cpp:(.text+0xc8a): undefined reference to `qtractorMidiCursor::reset(qtractorMidiSequence*, unsigned long)'
qtractorMidiClip.cpp:(.text+0xca7): undefined reference to `qtractorMidiCursor::reset(qtractorMidiSequence*, unsigned long)'
qtractorMidiClip.o: In function `qtractorMidiClip::qtractorMidiClip(qtractorMidiClip const&)':
qtractorMidiClip.cpp:(.text+0xf10): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.cpp:(.text+0xf1e): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.o: In function `qtractorMidiClip::qtractorMidiClip(qtractorMidiClip const&)':
qtractorMidiClip.cpp:(.text+0x1020): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
qtractorMidiClip.cpp:(.text+0x102e): undefined reference to `qtractorMidiCursor::qtractorMidiCursor()'
collect2: ld returned 1 exit status

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rncbc

10 years ago

I guess you've updated from CVS alright, but somehow you probably forgot to regenerate the autoconf stuff.

Remember, when checking out from CVS you must do the `make -f Makefile.cvs` all over gain.

Seeya.

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burundukkedbl

10 years ago

It's working. Thank's. :o)

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montoya

10 years ago

And for export into .ogg or .mp3 my project?

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rncbc

10 years ago

Export is not yet featured. Keep in mind this is still alpha stage on development.

But you can bounce your session into a new track. Just add a new empty audio track, connect the outputs of all other tracks to the input of this new one, arm it for recording and start record+play. There you go, you'll be recording (in real time, though) what would be the result of a future export operation.

Depending on your current audio capture option (see menu View/Options.../Audio/Capture) the captured file might be in the Ogg Vorbis format.

There is no current nor future plans for MP3 encoding support, so that's a definite NO for the last half of your question. Remember that MP3 is only supported on playback. It has nasty technical drawbacks and its not a very wise choice for audio recording altogether. Choose OGG instead, or better yet, FLAC. That's only my opinion, of course.

Cheers.

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montoya

10 years ago

"The audio/MIDI engine could not be started.

Make sure the JACK audio server (jackd) and/or
the ALSA Sequencer kernel module (snd-seq-midi)
are up and running and then restart the session."

I install all librearies (also jackd) but playlist not run :(

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rncbc

10 years ago

You have to start jackd sound server in first place. Make it a try with yours truelly QjackCtl :)

But, if its the very first time you are dealing with jackd, please be prepared that things might get harsh before you have a full top-notch audio system under you rig :)

In summary you'll have to make sure you, as a user, have realtime scheduler privileges.

Check your /etc/security/limits.conf file for some entries like this ones:

@audio - rtprio 90
@audio - nice -10
@audio - memlock 4000000

Then you have to add yourself (the username) part of the audio group. For the fast track, and most promiscuous too, just replace '@audio' by '*' in the above lines.

After those modifications, which should be carried on by root anyway, you must relogin as your regular user and then start jackd. If you're lacking QjackCtl GUI friendliness, you can start it from the command line, like this:

$ jackd -R -dalsa -dhw:0 -r44100 -p1024 -n2

Another issue could be that the ALSA sequencer kernel module might not be currently loaded. You can get the head-start by doing it as root:

# modprobe snd-seq-midi

From now on you can hit qtractor and start playing around. I hope you get the picture all right.

Cheers.

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montoya

10 years ago

I have this errors:

fra@debian:~/Desktop/qtractor-0.0.1.582$ make
make[1]: Entering directory `/home/fra/Desktop/qtractor-0.0.1.582'
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtXml -I/usr/include/qt4/QtXml -I/usr/include/qt4 -Isrc -I/usr/local/include -I/usr/include -I/usr/include/qt4 -I. -I. -o qtractorConnections.o src/qtractorConnections.cpp
src/qtractorConnections.cpp: In constructor 'qtractorConnections::qtractorConnections(QWidget*)':
src/qtractorConnections.cpp:51: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:53: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:58: error: 'QHBoxLayout' was not declared in this scope
src/qtractorConnections.cpp:58: error: 'pLayout' was not declared in this scope
src/qtractorConnections.cpp:58: error: expected type-specifier before 'QHBoxLayout'
src/qtractorConnections.cpp:58: error: expected `;' before 'QHBoxLayout'
src/qtractorConnections.cpp:85: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:87: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp: In destructor 'virtual qtractorConnections::~qtractorConnections()':
src/qtractorConnections.cpp:102: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:104: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:109: warning: possible problem detected in invocation of delete operator:
src/qtractorConnections.cpp:109: warning: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: warning: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:109: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined.
src/qtractorConnections.cpp: In member function 'void qtractorConnections::showBus(qtractorBus*, qtractorBus::BusMode)':
src/qtractorConnections.cpp:188: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:190: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:191: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:192: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:194: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:197: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:198: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:200: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:202: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:204: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:213: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:215: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:216: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:217: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:220: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:224: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:225: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:228: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:231: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp:233: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp: In member function 'void qtractorConnections::refresh()':
src/qtractorConnections.cpp:253: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
src/qtractorConnections.cpp: In member function 'void qtractorConnections::clear()':
src/qtractorConnections.cpp:260: error: invalid use of undefined type 'struct qtractorConnectForm'
src/qtractorConnections.h:31: error: forward declaration of 'struct qtractorConnectForm'
make[1]: *** [qtractorConnections.o] Error 1
make[1]: Leaving directory `/home/fra/Desktop/qtractor-0.0.1.582'
make: *** [qtractor] Error 2

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rncbc

10 years ago

I've found that my autoconf/qmake wrapping always clashes on debian. On debian based distros (e.g. ubuntu), it has come to my knowledge, deployment of the Qt devel tools (qmake, uic, moc) is not as usual and somehow the debianese folks decided to rename the executables to somethink like qmake-qt4, moc-qt4, uic-qt4 and what not. This is braindead broken IMO, and it surely is non standard. Why on earch would one rename the original executable files? Betas me.

OK. Let's try another way.

First of all make certain you have all Qt4 devel tools installed. That is qmake, moc and uic. As said, probably those are renamed with the -qt4 suffix. You have to cheack that out. Let's assume qmake has been renamed to qmake-qt4.

Second, make sure you have all the dependencies also in place, that are libjack, libasound (alsa), libsndfile, ladspa, libvorbis(enc, file) and libmad, specially the devel ones.

Third, on the qtractor source tree you may find the win32 sub-directory. Move in there and just type `qmake-qt4 && make`.

Hopefully it will build fine, and you'll end there with the `qtractor` executable ready to run and play.

Enjoy.

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montoya

10 years ago

Thanks ;) now work it. I execute your 3° option: qmake && make.

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wolffc

10 years ago

Hi, it's not "braindead broken" it's just a way of having qt3 and qt4 coexist in the FHS.

You just need to adjust debians "alternatives" system (man update-alternatives) or, if you still compile against qt3 more often, set some environment variables in the shell, you use to build the qt4 program:
export LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH
export PATH=/usr/share/qt4/bin:$PATH
export QTDIR=/usr/share/qt4
export QT_PLUGIN_PATH=/usr/share/qt4/plugins
unset XDG_CONFIG_DIRS
unset XDG_DATA_DIRS

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rncbc

10 years ago

Thanks for the heads-up on FHS.

Ah,... on so-called "sane" distros (aka not "braindead broken", sorry for the pun) qt3 and qt4 do coexist. And that's what I'm used to. Setting the build environment for each one has been just a matter of PATH tweaking, if one at all. Not a debianese mess, even if its FHS compliant or what. Sorry again :)

Particular problem with Qt deployment on debian seems to be the way that Qt programs, headers, libraries and what not, are kept splintered across the file system. On "sane but FHS broken" distros, all of the Qt tree is usually kept under one single point. Just a minor cost of a particular distro non-standard design ;)

Of course, I should know better that debian guys/gals always know what they're doing :)

Sorry for the twisted humor, and most of all, just plain debian ignorance ;)

Now, back to reality, does it help in any way having this one for a start?

$ ./configure --with-qt=/usr/share/qt4

Just trying... but I'm afraid, due to the way my reasoning works, it should also fail on debian FHS splintering :P

Cheers.

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0.8.5 2017-12-04 Autumn'17 Beta 12 days ago

- Audio clip gain and panning properties are now taken into consideration when hash-linking (aka. ref-counting) their back-end buffers.
- New out-of-process plug-in inventory scan and cache option, replacing the old (aka. dummy) VST plug-in scan option and extending its function to all other plug-in types: LADSPA, DSSI and also LV2 (cache only).
- A File System browser and tree-view is finally integrated as a dockable-widget on the main application window (cf. main menu View / Window / File System).</li>
- Drag-and-dropping of session, audio and MIDI files over the main track-list (left pane) is now possible, allowing for yet another quick means to open a new session or add new tracks to the current session.
- MIDI input/capture time-stamping has been fixed as much to avoid missing inbound events, when play-head is near the loop-end point and the loop-start is set below the absolute first half-a-second (<0.5sec).
- LV2 Time/Transport speed information is now set on rolling when in audio export aka freewheeling mode.
- Added *.SF3 to soundfont instrument files filter, on View > Instruments... > Import... file dialog.
- A brand new View/Options.../Display/Meters/Show meters on track list/left pane option has been added.

0.8.4 2017-09-20 End of Summer'17 Beta 2 months ago

- Assigned MIDI Controllers to plug-in's Activate switch are now finally saved and (re)loaded properly across sessions.
- Audio clip panning option property is now being introduced.
- Out-of-process (aka. dummy) VST plug-in inventory scanning now restarts automatically and resumes processing in case of a premature exit/crash; VST plug-in inventory scan/cache persistency is now in place.
- Desktop entry specification file is now finally independent from build/configure template chains.
- Updated target path for freedesktop.org's AppStream metainfo file (formerly AppData).
- Changing the View/Options.../Display/Custom/Style theme takes effect immediately unless it's back to "(default)".
- Slightly slower but better approximation to IEEE 32bit floating point cubic root ie. cbrtf().

0.8.3 2017-06-30 Stickiest Tauon Beta 5 months ago

- Make sure any just recorded clip filename is not reused while over the same track and session. (CRITICAL)
- LV2 Plug-in worker/schedule interface ring-buffer sizes have been increased to 4KB.
- Fixed track-name auto-incremental numbering suffix when modifying any other track property.
- WSOLA vs. (lib)Rubberband time-stretching options are now individualized on a per audio clip basis.
- Long overdue, some brand new and fundamental icons revamp.
- Fixed a tempo-map node add/update/remove rescaling with regard to clip-lengths and automation/curve undo/redo.
- Fixed a potential Activate automation/curve index clash, or aliasing, for any plug-ins that change upstream their parameter count or index order, on sessions saved with the old plug-in versions and vice-versa.

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File (click to download) Version Description Filetype Packagetype License Downloads Date Filesize OCS-Install DL
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version
0.8.5
updated Dec 04 2017
added Apr 14 2007
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