Control the playback speed of the media file.
This function control the speed with which the media file will be played. 1.0 represents the normal speed, 2 double speed, 0.5 half speed and so on.
Since 1.23
@property playback_speed @pure_virtual { get {} set {} values { speed: double; } }
double efl_player_playback_speed_get(const Eo *obj); void efl_player_playback_speed_set(Eo *obj, double speed);