829N/A/*
2362N/A * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
829N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
829N/A *
829N/A * This code is free software; you can redistribute it and/or modify it
829N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
829N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
829N/A *
829N/A * This code is distributed in the hope that it will be useful, but WITHOUT
829N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
829N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
829N/A * version 2 for more details (a copy is included in the LICENSE file that
829N/A * accompanied this code).
829N/A *
829N/A * You should have received a copy of the GNU General Public License version
829N/A * 2 along with this work; if not, write to the Free Software Foundation,
829N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
829N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
829N/A */
829N/A
829N/A/* @test
829N/A @summary Test SoftLimiter processAudio method */
829N/A
829N/Aimport javax.sound.midi.MidiUnavailableException;
829N/Aimport javax.sound.midi.Patch;
829N/Aimport javax.sound.sampled.*;
829N/A
829N/Aimport com.sun.media.sound.*;
829N/A
829N/Apublic class ProcessAudio_replace_mix_mono {
829N/A
829N/A private static void assertEquals(Object a, Object b) throws Exception
829N/A {
829N/A if(!a.equals(b))
829N/A throw new RuntimeException("assertEquals fails!");
829N/A }
829N/A
829N/A private static void assertTrue(boolean value) throws Exception
829N/A {
829N/A if(!value)
829N/A throw new RuntimeException("assertTrue fails!");
829N/A }
829N/A
829N/A public static void main(String[] args) throws Exception {
829N/A SoftSynthesizer synth = new SoftSynthesizer();
829N/A synth.openStream(new AudioFormat(44100, 16, 1, true, false), null);
829N/A
829N/A SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat());
829N/A SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat());
829N/A
829N/A float[] testdata1 = new float[in1.getSize()];
829N/A float[] n1a = in1.array();
829N/A float[] out1a = out1.array();
829N/A for (int i = 0; i < n1a.length; i++) {
829N/A testdata1[i] = (float)Math.sin(i*0.3)*0.9f;
829N/A n1a[i] = testdata1[i];
829N/A out1a[i] = 1;
829N/A }
829N/A
829N/A SoftLimiter limiter = new SoftLimiter();
829N/A limiter.init(44100, 147);
829N/A limiter.setMixMode(true);
829N/A limiter.setInput(0, in1);
829N/A limiter.setOutput(0, out1);
829N/A limiter.processControlLogic();
829N/A limiter.processAudio();
829N/A limiter.processControlLogic();
829N/A limiter.processAudio();
829N/A // Limiter should delay audio by one buffer,
829N/A // and there should almost no different in output v.s. input
829N/A for (int i = 0; i < n1a.length; i++) {
829N/A if(Math.abs(out1a[i] - testdata1[i] - 1) > 0.00001)
829N/A throw new Exception("input != output");
829N/A }
829N/A
829N/A synth.close();
829N/A }
829N/A}