I have tried to mute the sound with the blocked screen and it worked. It is not possible to pause the player or change the volume but I believe it is already a good step.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-media in Ubuntu. https://bugs.launchpad.net/bugs/999090 Title: Keyboard shortcut does not change sound volume when screen is blocked To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-sound/+bug/999090/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs