ubuntustudio-bugs team mailing list archive

[Timo Aaltonen <2111450@xxxxxxxxxxxxxxxxxx>]

Hello Erich, or anyone else affected,

Accepted meterbridge into oracular-proposed. The package will build now
and be available at
https://launchpad.net/ubuntu/+source/meterbridge/0.9.2-14ubuntu0.24.10.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
oracular to verification-done-oracular. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-oracular. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: meterbridge (Ubuntu Noble)
       Status: In Progress => Fix Committed

** Tags added: verification-needed-noble

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https://bugs.launchpad.net/bugs/2111450

Title:
  [SRU] ppm and vu meter backgrounds not redrawn properly

Status in meterbridge package in Ubuntu:
  Fix Released
Status in meterbridge source package in Noble:
  Fix Committed
Status in meterbridge source package in Oracular:
  Fix Committed
Status in meterbridge source package in Plucky:
  Fix Committed
Status in meterbridge source package in Questing:
  Fix Released
Status in meterbridge package in Debian:
  New

Bug description:
  [Impact]

  The meters in Meterbridge are not redrawn correctly. This is due to a
  change in libsdl. As such, users are seeing lines after the meter
  shows any activity which can, over time, appear illegible, affecting
  usability. See attached screenshot.

  [Test Case]

  As this is a JACK application, either:

  * Run Ubuntu Studio 25.04's live iso or any Ubuntu Studio 25.04
  installation

  -or-

  * Install ubuntustudio-pipewire-config to install required JACK
  configurations for pipewire to get it to properly use the pipewire-
  jack interface.

  * Install meterbridge and patchance

  * Run meterbridge

  * Run patchance

    * Attach a wire via dragging from the monitor of your default audio
  device to the input on meterbridge.

  * Have your system make a sound (volume control or youtube video) and
  watch the needle on the meterbridge window.

  EXPECTED: No ghost lines

  ACTUAL: Ghost lines appear where needle once was.

  [What could go wrong]

  It's possible this patch just plain doesn't work or further refinement
  is needed, and this patch might just cause meterbridge to not run.
  This has, however, been tested to work on Ubuntu Studio 25.04.

  [Other Information]

  Debian Bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050548

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