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Qtractor 0.9.26 - A Spring'22 Release batch #3

9 April, 2022 - 11:00 — rncbc


Wholly greetings, one third time and finally,

Qtractor 0.9.26 (spring'22) is released!

Change-log:

  • Main application icon is now presented in scalable format (SVG).
  • Have even more tolerance to JACK buffer-size changes, prompting for a complete session reload, only when exceeding the double of the previous/current size.
  • Added an additional status-bar label to show the session current buffer-size (in frames per period).
  • Migrated command line parsing to QCommandLineParser/Option (Qt >= 5.2)
  • Make last recorded clip current and suitable target for immediate loop recording takes switch or navigation.
  • Number of takes is now shown on clip titles and tooltips.
  • Fixed in-flight transport mode changes.
  • Fixed translations path to be relative to application runtime.

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.

Website:

https://qtractor.org

Project page:

https://sourceforge.net/projects/qtractor

Downloads:

https://sourceforge.net/projects/qtractor/files

Git repos:

https://git.code.sf.net/p/qtractor/code
https://github.com/rncbc/qtractor.git
https://gitlab.com/rncbc/qtractor.git
https://bitbucket.org/rncbc/qtractor.git

Wiki (severely outdated; help wanted, desperately!):

https://sourceforge.net/p/qtractor/wiki/

License:

Qtractor is free, open-source Linux Audio software, distributed under the terms of the GNU General Public License (GPL) version 2 or later.

Keep the fun, make some noise, and if that fails, make some music!

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Comments

10 April, 2022 - 19:41 — yPhil
yPhil's picture

Hi Rui Nuno!

This is the first time I run into any error using the AppImage:

> Cannot mix incompatible Qt library (5.12.8) with this library (5.15.2)

I tried some of those hacks, but to no avail, so for now I'm stuck with 0.9.12 (on Ubuntu 20.04.4) no biggie ; I was only curious about this changelog entry : "Fixed in-flight transport mode changes" :)

Oh, and this one, in fact mostly this one : "Make last recorded clip current and suitable target for immediate loop recording takes switch or navigation" is really intriguing, and sounds like something I'd want.

11 April, 2022 - 08:11 — rncbc
rncbc's picture

hi yPhil, long no see (any vids:))

the AppImage error looks really weird... can you try also with other qstuff .AppImage's released recently (spring'22 season)? is there anyone else having the same error?

otoh. you may try/test with the latest from my launchpad.net PPA's (see repos above), specifically in your case: Applications (focal).

re. Make last recorded clip current and suitable target for immediate loop recording takes switch or navigation
aha, that follows exactly from Suggestions for take recording.

cheers

11 April, 2022 - 18:50 — yPhil
yPhil's picture

Wait, qtractor-0.9.25-68.1.x86_64.AppImage works perfectly..? I'm Downloading 0.9.26 right now, I'm sure I messed up somewhere, sorry... Nope, same with this one:

# ./qtractor-0.9.26-69.1.x86_64.AppImage
Cannot mix incompatible Qt library (5.12.8) with this library (5.15.2)

> otoh. you may try/test with the latest from my launchpad.net PPA's (see repos above), specifically in your case: Applications (focal).

OMG I didn't know that! There we go, 0.9.26 is now installed and running ("Pitch-shifting support (librubberband) disabled." I'll figure this out when needed, not now)

> aha, that follows exactly from Suggestions for take recording.

That guy Frank is exactly right, I was always wondering what I was doing wrong to be forced to use the mouse after a take, this is really needed, thanks to both of you!

> any vids:)

Yes, I'm planning that ; As soon as I finish the tour of all the features introduced since my last song (not so long ago) I'm going to get the "Why, Phil?" series going again, probably reboot it :) Hey do you have ideas or specific features that you'd like to see covered?

Another thing is I'm using i3wm now, have been for years now (it's simply fantastic, hey try my setup in a VM and launch Qtractor, I'm pretty confident you'll find the experience interesting) and so my setup might be a little... Personal... Still thinking about the format of it all ; The real news is I got the studio up & running again :)

11 April, 2022 - 19:06 — rncbc
rncbc's picture

I guess you don't need to check that out, it's probably my mistake

keep on rocking (in the free world)
cheers

ps. found the culprit; please do your thing (apt-get update && upgrade); the new package in apps-focal repo should be fixed by now.

13 April, 2022 - 19:19 — yPhil
yPhil's picture

...But "apt upgrade" says otherwise..?

# apt list --upgradable
Listing... Done
qsampler/focal 0.9.6.1git.25c52b-50.2 amd64 [upgradable from: 0.6.1-1build1]
qsynth/focal 0.9.7.1git.cac3f9-51.4 amd64 [upgradable from: 0.6.1-1build1]
# sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
# sudo apt full-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.

This is strange, I never saw this kind of thing ; for me it's not a PB but I thought you might want a head's up..?

14 April, 2022 - 08:40 — rncbc
rncbc's picture

can't help you there, I'm no apt expert nor am I a regular user at all :) maybe you can try remove qsampler and qsynth and then re-install them?

oh, note that there are some dependencies on qsampler to liblscp6 and libgig10, and qsynth to libfluidsynth3, that your system may have not there (but it could, if you go with my additional ppa:rncbc/libs-focal)... but please do not bother with that, keep the official/installed/non-upgradeable versions though, to keep you on the safe side and not breaking your eco-system ;)

byee

11 April, 2022 - 18:49 — rncbc
rncbc's picture

hi,
the .AppImage error might be fixed..., hopefully: please download it again (in a few hours from now); I've rebuilt the whole thing to Qt6.2.4-static. there should be no problem by now!

cheers

12 April, 2022 - 17:56 — yPhil
yPhil's picture

I updated but did not see qtractor in the list of updates (liblscp6 & rtirq-init) so I'm running 0.9.26 (Qt: 5.12.8) from the PPA, I guess it's still the same build, no way to tell actually..?

# qtractor -v
Qtractor 0.9.26
Qt: 5.12.8

EDIT: Oh, there it is, I forgot to apt update :/

Wow, this morning something strange (strange bad) is happening: No audio playback :( I can hear my guitar in the (auto-monitored) audio track, I can record it and see the (new looking) waveform in the clip, I can play and see the VUs moving in both the track and the audio master out, but I can hear nothing, only MIDI tracks... Old session files work fine, I can hear all the audio tracks, but for the life of my I can't figure out what prevents my new audio tracks from playing.

I got rid of my template startup file and made a new session with only one audio track, same result :(

What can I be doing wrong? Is it Pulse again, should I post screenshots of my qjackctl connections screen? Have I been away that long? ;)

12 April, 2022 - 16:08 — rncbc
rncbc's picture

if you can play and see the VUs moving in both the track and the audio master out then there's something going on outdoors... (to qtractor I mean)...

please check your JACK connections and/or review its settings.

12 April, 2022 - 21:56 — yPhil
yPhil's picture

> if you can play and see the VUs moving in both the track and the audio master out then there's something going on outdoors... (to qtractor I mean)...

Yes but... How come I can still hear the MIDI tracks? *And* hear my guitar pass through? I checked the track properties, they both have audio master as in/out, like any other audio track..?!

> please check your JACK connections and/or review its settings.

I don't understand why all my MIDI tracks (HH, etc.) outputs are represented as audio outs.. And not my audio tracks..?!

And here are the jack setup of a session that works: 18 tracks, 11 audio tracks, but all the latter pass though a reverb bus...

This is driving me crazy :/

EDIT ; OK, I ditched this weird session, and made a template out of the one that worked, everything is peachy now, thanks again for you patience & kind words :)

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