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Viewing changes to TuxGuitar/src/org/herac/tuxguitar/player/impl/sequencer/MidiEventPlayer.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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TuxGuitar/src/org/herac/tuxguitar/player/impl/sequencer/MidiEventPlayer.java
 
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package org.herac.tuxguitar.player.impl.sequencer;
 
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import java.util.ArrayList;
 
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import java.util.List;
 
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import org.herac.tuxguitar.player.base.MidiPlayerException;
 
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public class MidiEventPlayer{
 
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        private MidiSequencerImpl sequencer;
 
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        private List events;
 
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        private long tick;
 
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        private long lastTick;
 
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        private boolean reset;
 
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        public MidiEventPlayer(MidiSequencerImpl sequencer){
 
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                this.sequencer = sequencer;
 
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                this.events = new ArrayList();
 
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                this.reset();
 
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        }
 
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        public void process() throws MidiPlayerException {
 
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                this.lastTick = this.tick;
 
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                this.tick = this.sequencer.getTickPosition();
 
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                for(int i = 0;i < this.events.size();i ++){
 
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                        MidiEvent event = (MidiEvent)this.events.get(i);
 
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                        if(shouldSend(event,this.tick,this.lastTick)){
 
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                                this.sequencer.sendEvent(event);
 
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                        }
 
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                }
 
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                this.reset = false;
 
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        }
 
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        private boolean shouldSend(MidiEvent event,long tick,long lastTick){
 
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                if(event.getTick() > tick){
 
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                        return false;
 
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                }
 
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                if(event.getTrack() != MidiEvent.ALL_TRACKS){
 
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                        if(this.sequencer.getMidiTrackController().isMute(event.getTrack())){
 
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                                return false;
 
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                        }
 
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                        if(this.sequencer.getMidiTrackController().isAnySolo() && !this.sequencer.getMidiTrackController().isSolo(event.getTrack())){
 
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                                return false;
 
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                        }
 
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                }
 
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                if(this.reset){
 
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                        if(event.getType() == MidiEvent.MIDI_SYSTEM_EVENT){
 
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                                return true;
 
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                        }
 
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                        if(event.getType() == MidiEvent.MIDI_EVENT_CONTROL_CHANGE){
 
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                                return true;
 
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                        }
 
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                        if(event.getType() == MidiEvent.MIDI_EVENT_PROGRAM_CHANGE){
 
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                                return true;
 
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                        }
 
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                }
 
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                return (event.getTick() > lastTick);
 
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        }
 
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        public void addEvent(MidiEvent event){
 
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                this.events.add(event);
 
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        }
 
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        public void clearEvents(){
 
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                this.events.clear();
 
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        }
 
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        public void reset(){
 
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                this.tick = (this.sequencer.getTickPosition() - 1);
 
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                this.reset = true;
 
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        }
 
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}