touch-packages team mailing list archive

[Steve Langasek <steve.langasek@xxxxxxxxxxxxx>]

Why is libqt5multimedia5-plugins still using gst0.10?  This seems
important to fix ASAP.

I've sponsored an upload of thumbnailer to revert the gst1.0 linkage,
but it's failed to build; so continuing to work on this.

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https://bugs.launchpad.net/bugs/1363314

Title:
  App fails to launch on up-to-date utopic desktop

Status in Dropping Letters:
  Confirmed
Status in Music application for Ubuntu devices:
  Confirmed
Status in Thumbnail generator for all kinds of files:
  New
Status in Clock application for Ubuntu devices:
  Confirmed
Status in “thumbnailer” package in Ubuntu:
  New

Bug description:
  Seems for a few days some of the core apps which use qtmultimedia now
  fail to start on the desktop with output like this:-

  ⟫ qmlscene music-app.qml
  unity::action::ActionManager::ActionManager(QObject*):
          Could not determine application identifier. HUD will not work properly.
          Provide your application identifier in $APP_ID environment variable.

  (qmlscene:25234): GLib-GObject-WARNING **: cannot register existing
  type 'GstFormat'

  (qmlscene:25234): GLib-CRITICAL **: g_once_init_leave: assertion
  'result != 0' failed

  (qmlscene:25234): GLib-GObject-WARNING **: cannot retrieve class for
  invalid (unclassed) type '<invalid>'

  (qmlscene:25234): GLib-GObject-WARNING **: cannot register existing
  type 'GstQuery'

  (qmlscene:25234): GLib-CRITICAL **: g_once_init_leave: assertion
  'result != 0' failed

  (qmlscene:25234): GLib-GObject-WARNING **: cannot retrieve class for
  invalid (unclassed) type '<invalid>'

  (qmlscene:25234): GLib-GObject-WARNING **: cannot register existing
  type 'GstObject'

  (qmlscene:25234): GLib-CRITICAL **: g_once_init_leave: assertion
  'result != 0' failed

  (qmlscene:25234): GLib-GObject-WARNING **: cannot retrieve class for
  invalid (unclassed) type '<invalid>'

  
  Attached is the strace output as foo.txt

  A simple sample app which reproduces the issue can be seen at
  https://code.launchpad.net/~andrew-hayzen/+junk/test-mediaplayer-app

  Also affected include core apps which use Audio {} such as Clock and
  Dropping Letters.

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