gnome Swfdec is a library for rendering Flash® animations and games. It was originally designed as a basis library for creating Flash plugins for GStreamer, but it is a fully standalone library which only use the libart library for drawing. Use ALSA for audio output Build documentation Use media-plugins/gst-plugins-ffmpeg to enable Flash video support. Necessary if you want to use sites like youtube Enable media-libs/gstreamer to support various media input formats. i.e. audio (mp3) and video (flv) Enable GTK+ convenience library while is necessary for all GTK+ apps using swfdec (gnome-extra/swfdec-gnome and www-plugins/swfdec-mozilla) Use Open Sound System for audio output Use media-sound/pulseaudio for audio output