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[Bug 1363314] Re: Remove dependency of qtmultimedia on gst0.10

 

Right, so your former github branch is now more or less merged with that
last commit to the wip branch from Andrew den Exter (I think a Jolla
guy)? It's probably the biggest work done! But if we want to help
getting it to a release any time soon, you could do merge proposals
towards https://qt.gitorious.org/qt/qtmultimedia/ , eg. propose to merge
the wip branch to the dev version, maybe co-operating with Andrew, and
address any comments. It won't happen by Digia probably, but they might
at least help in reviewing others' (our/community) work on it, and it'd
nice to have it done at least for Qt 5.5. It's too late for 5.4 now I
believe.

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

Title:
  Remove dependency of qtmultimedia on gst0.10

Status in Dropping Letters:
  Invalid
Status in Music application for Ubuntu devices:
  Invalid
Status in Clock application for Ubuntu devices:
  Invalid
Status in “qtmultimedia-opensource-src” package in Ubuntu:
  New
Status in “thumbnailer” package in Ubuntu:
  Fix Released

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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