| /* |
| * Copyright (c) 2007, 2013, 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; |
| } |
| |
| } |