MIDI Velocity Lollipops are not lined up in percussive mode

When editing MIDI in percussive mode, the velocity lollipops do not align.

This affects Ardour and Mixbus.

I have entered a tracker here :
https://tracker.ardour.org/view.php?id=9736

and was also mentioned by another user on the Mixbus forum here :
MIDI editor (harrisonconsoles.com)

@x42 I could not log into tracker, but try the keyboard specific scroll and zoom to get lollipops to misalign on percussive mode. Maybe I misunderstood what scroomer meant.

context: 0009764: When in MIDI Percussive view, adjusting heigth of scroomer causes lollipops to slide. - MantisBT

That is the scroll and zoom area to pick which note range is visible on the left side of each MIDI track:

image

Do you mean “+” and “-” to zoom the canvas, or shift+ ? Those work fine here.

Which keyboard shortcuts do you refer to, and which edit mode to you use (internal edit)?

I was grabbing the red handles and expanding / contracting. No keyboard shortcuts used. It looked like in the video you were adjusting the track height. I will have to check what mode i was in. Likley edit or grab.

that’s also fine here:

Interesting… maybe some more expansion on the zoom would show the movement on lollipops?

I will take a quick vid or screenshots when I can.

I will also verify on win10 ardour 8.6 official.

Are you on Mac or Linux with X11 or Wayland ?

I am on Ubuntu 24.04 LTS likley with Wayland…I have not checked in console yet but I believe it is default.

I’m running debian GNU/Linux with Xorg, but for the case at hand that should make no difference. The code in question is platform independent.

Please do. Likely I’m missing some edge-case. It would be helpful if you have a recipe how to reproduce the issue from scratch, or can provide an affected session.

MIDI_Perc

I have archived the session file. Would you like me to email that to you ?

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How large is the session-archive? Can you attach it to 0009764: When in MIDI Percussive view, adjusting heigth of scroomer causes lollipops to slide. - MantisBT ?

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Uploaded to tracker 9764. You should be able to open, grab and scroom on upper handle to see movement.

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This also happens on Win10, and with Xorg as well as Wayland on Ubuntu 24.04 LTS.

Thank you for taking the time to check into this! It is much appreciated.

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