ulisse@Dante:/dev $ gst-launch-0.10 playbin uri=file:///usr/share/sounds/startup.wav Setting pipeline to PAUSED ... Pipeline is PREROLLING ... ERRORE: dall'elemento /playbin0/abin/audiosink/actual-sink: Impossibile impostare o ottenere le impostazioni dalla risorsa. Informazioni di debug aggiuntive: gstalsasink.c(570): set_hwparams (): /playbin0/abin/audiosink/actual-sink: Rate doesn't match (requested 44100Hz, get 0Hz) ERROR: pipeline doesn't want to preroll. Setting pipeline to NULL ... FREEING pipeline ...