/*
 *  call-seq:
 *    playing?  ->  true or false
 *
 *  True if the Music is currently playing (not paused or stopped).
 *  See also #paused? and #stopped?.
 *
 */
static VALUE rg_music_playingp( VALUE self )
{
  RG_Music *music;
  Data_Get_Struct(self,  RG_Music, music);

  /* Check that the music is current. */
  if( _rg_music_current_check(self) )
  {
    /* Return true if music is playing, but not paused. */
    if( Mix_PlayingMusic() && !Mix_PausedMusic() )
    {
      return Qtrue;
    }
    else
    {
      return Qfalse;
    }
  }
  else
  {
    return Qfalse;
  }
}