func init()
  lng.decl_priv_var(FMOD_CreateSound, 'FMOD_SOUND*')
  println(FMOD_CreateSound + ' = NULL;')
  if(linked(Length))
    lng.decl_priv_var(len, 'unsigned int')
  end
end

func doRelease(_data)
  println('if(' + FMOD_CreateSound + ') {')
  block.inclvl() 
    println('FMOD_Sound_Release(' + FMOD_CreateSound + ');')
    println(FMOD_CreateSound + ' = NULL;')
  block.declvl()
  println('}')
end

func doCreateSound(_data)
  if(isdef(AutoRelease))
    doRelease(_data)
  end
  if(isndef(SoundSystem))
    lng.decl_loc_var(res, 'FMOD_RESULT')
    println(res + ' = FMOD_System_CreateSound(' + lng.get_linked_obj('SoundSystem') + ', QString(', FileName, ').toLocal8Bit().constData(), ', Mode, ', 0, &' + FMOD_CreateSound + ');')
    println('if(' + res + ' == FMOD_OK) {')
    block.inclvl()
      event(onCreateSound)
    block.declvl()
    if(linked(onError))
      println('} else {')
      block.inclvl()
        event(onError, res@int ^ ('FMOD_ErrorString(' + res + ')')@str)
      block.declvl()
    end
    println('}')
  else
    error("Please set SoundSystem property.")
  end
end

func Length(_data)
  println('if(' + FMOD_CreateSound + ')')
  println('  FMOD_Sound_GetLength(' + FMOD_CreateSound + ', &' + len + ', FMOD_TIMEUNIT_' + code(TimeUnit) + ');')
  println('else ' + len + ' = 0;')
  return(len)
end