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Wednesday, September 26th 2012, 3:47am

problem using phonon / gstreamer

im developing an application in Ubuntu in which i wish to include a Phonon::VideoPlayer
everything compiles ok, but I get the following error at run-time:

video!(9109)/phonon (KDE plugin): Can not create backend object from factory for "GStreamer" , "phonon_gstreamer" :
"Could not find plugin 'GStreamer' for application 'video!'"

video!(9109): couldn't create slave: "Unable to create io-slave:
klauncher said: Protocolo desconocido «».

the application appears but nothing is reproduced

how can i solve this? i've been googling quite a while..