~ubuntu-branches/ubuntu/oneiric/tuxguitar/oneiric

package org.herac.tuxguitar.player.impl.sequencer;

 

import org.herac.tuxguitar.song.models.TGDuration;

 

public class MidiTickPlayer {

        

        private static final int SECOND_IN_MILLIS = 1000;

        

        private int tempo;

        private long tick;

        private long time;

        private long lastTime;

        private long tickLength;

        private boolean tickChanged;

        

        public MidiTickPlayer(){

                super();

        }

        

        public void process() {

                this.lastTime = this.time;

                this.time = System.currentTimeMillis();

                if(!this.tickChanged){

                        this.tick += (TGDuration.QUARTER_TIME * ((float)getTempo() * (float)(this.time - this.lastTime) / 60f) / SECOND_IN_MILLIS);

                }

                this.tickChanged = false;

        }

        

        public void clearTick(){

                this.tickLength = 0;

        }

        

        public int getTempo() {

                return this.tempo;

        }

        

        public void setTempo(int tempo) {

                this.tempo = tempo;

        }

        

        public long getTick() {

                return this.tick;

        }

        

        public void setTick(long tick) {

                this.tick = tick;

                this.tickChanged = true;

        }

        

        public long getTickLength() {

                return this.tickLength;

        }

        

        public void notifyTick(long tick){

                this.tickLength = Math.max(this.tickLength,tick);

        }

}