hlrc

    emotion_config_current.init_sad();

    emotion_config_current.set_duration(2000);

    emotion_config_default.init_neutral();

}

Arbiter::~Arbiter(){

    }

}

    //lock audio playback as such:

    mutex::scoped_lock scoped_lock_audio(audio_player_mutex);

    scoped_lock.unlock();

    //start audio playback, this function returns once we started playback

    //wait until audio playback was finished:

    while(audio_player->is_playing()){

    }

    //in case the audio output fails, we end up here before the utterance is finished.

    //so check now if the utterance finished as well:

        //save some cpu cycles:

        usleep(1*1000); //1ms

    }

void Arbiter::override_by_utterance(){

    //fetch MouthState by utterance:

        //not playing -> return

        return;

    }

    //fetch symbol

    if ((symbol.empty()) || (symbol == "")){

        return;

    }