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comparison src/samer/midi/MidiSynth.java @ 2:74cc9e431818

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Revert change to MidiSynth
author samer
date Fri, 05 Apr 2019 16:43:56 +0100
parents 5df24c91468d
children
comparison
equal deleted inserted replaced
1:5df24c91468d 2:74cc9e431818
34 pedal control whether or not note off events are generated 34 pedal control whether or not note off events are generated
35 */ 35 */
36 36
37 public class MidiSynth extends Viewable implements Agent, Task, Saveable 37 public class MidiSynth extends Viewable implements Agent, Task, Saveable
38 { 38 {
39 VVector in;
40 Synthesizer synthesizer=null;
41
39 protected int n; 42 protected int n;
40 protected double [] x; 43 protected double [] x;
41 protected int [] nnums; 44 protected int [] nnums;
42 protected int [] chans; 45 protected int [] chans;
43 protected MidiChannel [] cc; 46 protected MidiChannel [] cc;
44 47
45 protected VDouble factor; 48 protected VDouble factor;
46 protected VInteger offset; 49 protected VInteger offset;
47 protected VBoolean pedal; 50 protected VBoolean pedal;
48 51
49 public MidiSynth(VVector input, Synthesizer synth) 52 public MidiSynth(VVector input)
50 { 53 {
51 super("midisynth"); 54 super("midisynth");
52 55
53 Shell.push(node); 56 Shell.push(node);
54 factor = new VDouble("factor",128,0); 57 factor = new VDouble("factor",128,0);
56 pedal = new VBoolean("pedal",false,0); 59 pedal = new VBoolean("pedal",false,0);
57 setAgent(this); 60 setAgent(this);
58 addAgent(new Saver(this)); 61 addAgent(new Saver(this));
59 Shell.pop(); 62 Shell.pop();
60 63
61 n = input.size(); 64 in = input;
62 x = input.array(); 65 n = in.size();
63 cc = synth.getChannels(); 66 x = in.array();
64 67
65 nnums = new int[n]; 68 nnums = new int[n];
66 chans = new int[n]; 69 chans = new int[n];
67 for (int i=0; i<n; i++) { nnums[i]=i; chans[i]=0; } 70 for (int i=0; i<n; i++) { nnums[i]=i; chans[i]=0; }
68 71
80 add(Shell.createButtonsFor(MidiSynth.this)); 83 add(Shell.createButtonsFor(MidiSynth.this));
81 } 84 }
82 }; 85 };
83 } 86 }
84 87
85 public void open() { } 88 public void open() throws Exception {
86 public void close() { } 89 if (synthesizer!=null) { Shell.print("already open"); return; }
90 if ((synthesizer = MidiSystem.getSynthesizer()) == null) {
91 throw new Exception("getSynthesizer() failed");
92 }
93 Shell.print("opening synthesizer");
94 synthesizer.open();
95
96 cc = synthesizer.getChannels();
97 Shell.print("got synth and channel:"+synthesizer+cc);
98 }
99
100 public void close() {
101 if (synthesizer != null) {
102 Shell.print("closing synthesiser");
103 synthesizer.close();
104 synthesizer = null;
105 }
106 }
107
87 public void dispose() { 108 public void dispose() {
88 close(); 109 close();
89 factor.dispose(); 110 factor.dispose();
90 offset.dispose(); 111 offset.dispose();
91 pedal.dispose(); 112 pedal.dispose();
100 121
101 public void starting() {} 122 public void starting() {}
102 public void stopping() {} 123 public void stopping() {}
103 public void run() 124 public void run()
104 { 125 {
126 if (synthesizer==null) return;
127
105 for (int i=0; i<n; i++) { 128 for (int i=0; i<n; i++) {
106 if (x[i]>0) { 129 if (x[i]>0) {
107 cc[chans[i]].noteOn(nnums[i]+offset.value,mapVelocity(x[i])); 130 cc[chans[i]].noteOn(nnums[i]+offset.value,mapVelocity(x[i]));
108 } else if (x[i]<0 && !pedal.value) { 131 } else if (x[i]<0 && !pedal.value) {
109 cc[chans[i]].noteOff(nnums[i]+offset.value, 0); 132 cc[chans[i]].noteOff(nnums[i]+offset.value, 0);