poll_player PLAYING
>> call player get_status ()
>> call player get_readable_state ()
poll_player PLAYING
>> call player get_status ()
>> call player get_readable_state ()
poll_player PLAYING
>> call player get_status ()
>> call player get_readable_state ()
poll_player PLAYING
>> call player get_status ()
>> call player stop ()
>> call player get_readable_state ()
poll_player STOPPED
>> call player get_readable_state ()
poll_player STOPPED
>> call player stop ()
>> call player stop ()
>> call player get_readable_state ()
poll_player STOPPED
>> call player get_readable_state ()
poll_player STOPPED
>> call player get_readable_state ()
poll_player STOPPED