/*

 * 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

 *

 * 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

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 * questions.

 */

/* @test

   @summary Test SoftLimiter processAudio method */

import javax.sound.midi.MidiUnavailableException;

import javax.sound.midi.Patch;

import javax.sound.sampled.*;

import com.sun.media.sound.*;

public class ProcessAudio_replace_mix {

    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(null, null);

        SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat());

        SoftAudioBuffer in2 = new SoftAudioBuffer(250, synth.getFormat());

        SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat());

        SoftAudioBuffer out2 = new SoftAudioBuffer(250, synth.getFormat());

        float[] testdata1 = new float[in1.getSize()];

        float[] testdata2 = new float[in2.getSize()];

        float[] n1a = in1.array();

        float[] n2a = in2.array();

        float[] out1a = out1.array();

        float[] out2a = out2.array();

        for (int i = 0; i < n1a.length; i++) {

            testdata1[i] = (float)Math.sin(i*0.3)*0.9f;

            testdata2[i] = (float)Math.sin(i*0.4)*0.9f;

            n1a[i] = testdata1[i];

            n2a[i] = testdata2[i];

            out1a[i] = 1;

            out2a[i] = 1;

        }

        SoftLimiter limiter = new SoftLimiter();

        limiter.init(44100, 147);

        limiter.setMixMode(true);

        limiter.setInput(0, in1);

        limiter.setInput(1, in2);

        limiter.setOutput(0, out1);

        limiter.setOutput(1, out2);

        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] - testdata1[i] - 1) > 0.00001)

                throw new Exception("input != output");

            if(Math.abs(out2a[i] - testdata2[i] - 1) > 0.00001)

                throw new Exception("input != output");

        }

        synth.close();

    }

}