Comment 3 for bug 937968

The indicator support can be achieved by gsettings or deconf-editor of sound indicator. The simple way is to add 'smplayer' into intrested-media-player. Then there will be a quick launcher in the sound indicator.
The detail method can be found here: http://www.howtogeek.com/113897/how-to-remove-media-players-from-ubuntus-sound-menu-add-your-own/