/*

 * Copyright (c) 2009, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

   @summary Test SoftFilter processAudio method */

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.Random;

import javax.sound.sampled.*;

import com.sun.media.sound.*;

public class TestProcessAudio {

    public static void main(String[] args) throws Exception {

        AudioFormat format = new AudioFormat(44100, 16, 2, true, false);

        SoftAudioBuffer sbuffer = new SoftAudioBuffer(3600, format);

        SoftFilter filter = new SoftFilter(format.getSampleRate());

        Random random = new Random(42);

        for (int t = 0; t <= 6; t++)

        {

            if(t == 0) filter.setFilterType(SoftFilter.FILTERTYPE_BP12);

            if(t == 1) filter.setFilterType(SoftFilter.FILTERTYPE_HP12);

            if(t == 2) filter.setFilterType(SoftFilter.FILTERTYPE_HP24);

            if(t == 3) filter.setFilterType(SoftFilter.FILTERTYPE_LP12);

            if(t == 4) filter.setFilterType(SoftFilter.FILTERTYPE_LP24);

            if(t == 5) filter.setFilterType(SoftFilter.FILTERTYPE_LP6);

            if(t == 6) filter.setFilterType(SoftFilter.FILTERTYPE_NP12);

            // Try first by reseting always

            for (int f = 1200; f < 3600; f+=100)

                for (int r = 0; r <= 30; r+=5) {

                    filter.reset();

                    filter.setResonance(r);

                    filter.setFrequency(f);

                    float[] data = sbuffer.array();

                    int len = sbuffer.getSize();

                    for (int i = 0; i < len; i++)

                        data[i] = random.nextFloat() - 0.5f;

                    filter.processAudio(sbuffer);

                }

            // Now we skip reseting

            // to test how changing frequency and resonance

            // affect active filter

            for (int f = 100; f < 12800; f+=1200)

            for (int r = 0; r <= 30; r+=5) {

                filter.setResonance(r);

                filter.setFrequency(f);

                float[] data = sbuffer.array();

                int len = sbuffer.getSize();

                for (int i = 0; i < len; i++)

                    data[i] = random.nextFloat() - 0.5f;

                filter.processAudio(sbuffer);

            }

            for (int f = 12800; f >= 100; f-=1200)

                for (int r = 30; r >= 0; r-=5) {

                    filter.setResonance(r);

                    filter.setFrequency(f);

                    float[] data = sbuffer.array();

                    int len = sbuffer.getSize();

                    for (int i = 0; i < len; i++)

                        data[i] = random.nextFloat() - 0.5f;

                    filter.processAudio(sbuffer);

                }

            filter.reset();

        }

    }

}