I modified .pro:
QT += core gui multimedia multimediawidgets
And I include
,
Try sudo apt-get install libpulse-dev
From http://www.qtcentre.org/threads/50938-QT-error-usr-bin-ld-cannot-find-lpulse-mainloop-glib:
From: norobro
Default Re: QT error /usr/bin/ld: cannot find -lpulse-mainloop-glib On my Debian box that lib is in the libpulse-dev package. Do you have it installed?