Returns the player's current playback state.
| Returns | Description | 
|---|---|
| buffering string | The user pressed play, but sufficient data to start playback has not yet loaded. The buffering icon is visible in the display. | 
| idle string | Either playback has not started or playback was stopped due to a stop() call or an error. In this state, either the play or the error icon is visible in the display. | 
| paused string | The video is currently paused. The play icon is visible in the display. | 
| playing string | The video is currently playing. No icon is visible in the display. | 
