Your GStreamer installation is missing a plug-in
Rhythmbox tidak berfungsi, tiada volume control
radiotray tidak boleh dijalankan

The playback of this movie requires a MPEG-1 Layer 3 (MP3) decoder plugin which is not installed.

Penyelesaian :
Install GStreamer plugins from the “bad” set & GStreamer plugins from the “ugly” set

Configured audiosink bin0 is not working

Penyelesaian :
Install GStreamer plugin for ALSA