1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import javax.sound.midi.*;
import javax.sound.sampled.*;
import com.sun.media.sound.*;
public class SoftTestUtils {
public AudioSynthesizer synth = new SoftSynthesizer();
public AudioInputStream stream;
public byte[] tmpbuffer = new byte[1024];
public static SF2Soundbank createTestSoundBank()
{
SF2Soundbank sf2 = new SF2Soundbank();
AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
float[] data = new float[44100+1000];
float fr = 440/format.getSampleRate();
for (int i = 0; i < data.length; i++)
data[i] = (float)Math.sin(i*fr*2*Math.PI);
byte[] bdata = new byte[data.length*format.getFrameSize()];
AudioFloatConverter.getConverter(format).toByteArray(data, bdata);
SF2Sample sample = new SF2Sample(sf2);
sample.setName("Test Sample");
sample.setData(bdata);
sample.setStartLoop(500);
sample.setEndLoop(data.length - 500);
sample.setSampleRate((long) format.getSampleRate());
sample.setOriginalPitch(69);
sf2.addResource(sample);
SF2Layer layer = new SF2Layer(sf2);
layer.setName("Test Layer");
sf2.addResource(layer);
SF2LayerRegion region = new SF2LayerRegion();
region.putInteger(SF2Region.GENERATOR_SAMPLEMODES, 1);
region.setSample(sample);
layer.getRegions().add(region);
SF2Instrument ins = new SF2Instrument(sf2);
ins.setName("Test Instrument");
sf2.addInstrument(ins);
SF2InstrumentRegion insregion = new SF2InstrumentRegion();
insregion.setLayer(layer);
ins.getRegions().add(insregion);
return sf2;
}
public SoftTestUtils() throws Exception {
stream = synth.openStream(null, null);
synth.unloadAllInstruments(synth.getDefaultSoundbank());
synth.loadAllInstruments(createTestSoundBank());
}
public void close() throws Exception {
stream.close();
stream = null;
synth.close();
synth = null;
}
public void read(double seconds) throws IOException
{
int bufflen =
stream.getFormat().getFrameSize() *
(int)(stream.getFormat().getFrameRate() * seconds);
while(bufflen != 0)
{
if(bufflen > 1024)
bufflen -= stream.read(tmpbuffer,0,1024);
else
bufflen -= stream.read(tmpbuffer,0, bufflen);
}
}
public VoiceStatus findVoice(int channel, int note) {
VoiceStatus[] v = synth.getVoiceStatus();
for (int k = 0; k < v.length; k++)
if(v[k].active)
if(v[k].channel == channel)
if(v[k].note == note)
return v[k];
return null;
}
}
|