| /* |
| * Copyright (c) 2007, 2015, 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. |
| */ |
| |
| /* @test |
| @summary Test SoftLimiter processAudio method |
| @modules java.desktop/com.sun.media.sound |
| */ |
| |
| |
| import javax.sound.midi.MidiUnavailableException; |
| import javax.sound.midi.Patch; |
| import javax.sound.sampled.*; |
| |
| import com.sun.media.sound.*; |
| |
| public class ProcessAudio_replace_mix_mono_overdrive { |
| |
| private static void assertEquals(Object a, Object b) throws Exception |
| { |
| if(!a.equals(b)) |
| throw new RuntimeException("assertEquals fails!"); |
| } |
| |
| private static void assertTrue(boolean value) throws Exception |
| { |
| if(!value) |
| throw new RuntimeException("assertTrue fails!"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| SoftSynthesizer synth = new SoftSynthesizer(); |
| synth.openStream(new AudioFormat(44100, 16, 1, true, false), null); |
| |
| SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat()); |
| SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat()); |
| |
| float[] testdata1 = new float[in1.getSize()]; |
| float[] n1a = in1.array(); |
| float[] out1a = out1.array(); |
| for (int i = 0; i < n1a.length; i++) { |
| testdata1[i] = (float)Math.sin(i*0.3)*2.5f; |
| n1a[i] = testdata1[i]; |
| out1a[i] = 1; |
| } |
| |
| SoftLimiter limiter = new SoftLimiter(); |
| limiter.init(44100, 147); |
| limiter.setMixMode(true); |
| limiter.setInput(0, in1); |
| limiter.setOutput(0, out1); |
| limiter.processControlLogic(); |
| limiter.processAudio(); |
| limiter.processControlLogic(); |
| limiter.processAudio(); |
| // Limiter should delay audio by one buffer, |
| // and there should almost no different in output v.s. input |
| for (int i = 0; i < n1a.length; i++) { |
| if(Math.abs(out1a[i]-1) > 1.0) |
| throw new Exception("abs(output)>1"); |
| } |
| |
| synth.close(); |
| } |
| } |