143 lines
5.0 KiB
Java
143 lines
5.0 KiB
Java
/*
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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@summary Test AudioFloatInputStream.getFrameLength() returned from
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ModelByteBufferWavetable openStream method */
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import javax.sound.sampled.*;
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import com.sun.media.sound.*;
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public class OpenStream {
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static float[] testarray;
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static byte[] test_byte_array;
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static byte[] test_byte_array_8ext;
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static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
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static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
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static ModelByteBuffer buffer;
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static ModelByteBuffer buffer_wave;
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static ModelByteBuffer buffer8;
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static ModelByteBuffer buffer16_8;
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static ModelByteBuffer buffer24;
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static File test_file;
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static ModelByteBuffer buffer_wave_ondisk;
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static void setUp() throws Exception {
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testarray = new float[1024];
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for (int i = 0; i < 1024; i++) {
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double ii = i / 1024.0;
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ii = ii * ii;
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testarray[i] = (float) Math.sin(10 * ii * 2 * Math.PI);
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testarray[i] += (float) Math.sin(1.731 + 2 * ii * 2 * Math.PI);
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testarray[i] += (float) Math.sin(0.231 + 6.3 * ii * 2 * Math.PI);
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testarray[i] *= 0.3;
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}
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test_byte_array = new byte[testarray.length * 2];
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AudioFloatConverter.getConverter(format).toByteArray(testarray,
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test_byte_array);
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buffer = new ModelByteBuffer(test_byte_array);
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byte[] test_byte_array2 = new byte[testarray.length * 3];
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buffer24 = new ModelByteBuffer(test_byte_array2);
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test_byte_array_8ext = new byte[testarray.length];
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byte[] test_byte_array_8_16 = new byte[testarray.length * 2];
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AudioFloatConverter.getConverter(format24).toByteArray(testarray,
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test_byte_array2);
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int ix = 0;
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int x = 0;
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for (int i = 0; i < test_byte_array_8ext.length; i++) {
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test_byte_array_8ext[i] = test_byte_array2[ix++];
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test_byte_array_8_16[x++] = test_byte_array2[ix++];
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test_byte_array_8_16[x++] = test_byte_array2[ix++];
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}
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buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
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buffer8 = new ModelByteBuffer(test_byte_array_8ext);
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AudioInputStream ais = new AudioInputStream(buffer.getInputStream(),
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format, testarray.length);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
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buffer_wave = new ModelByteBuffer(baos.toByteArray());
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test_file = File.createTempFile("test", ".raw");
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FileOutputStream fos = new FileOutputStream(test_file);
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fos.write(baos.toByteArray());
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fos.close();
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buffer_wave_ondisk = new ModelByteBuffer(test_file);
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}
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static void tearDown() throws Exception {
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if (!test_file.delete())
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test_file.deleteOnExit();
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}
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public static void testOpenStream(ModelByteBufferWavetable wavetable)
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throws Exception {
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AudioFloatInputStream ais = wavetable.openStream();
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long frames = wavetable.getBuffer().capacity()
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/ wavetable.getFormat().getFrameSize();
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long framelength = ais.getFrameLength();
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ais.close();
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if (frames != framelength) {
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throw new Exception("Incorrect framelength returned (" + frames
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+ " != " + framelength + ")");
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}
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}
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public static void main(String[] args) throws Exception {
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setUp();
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try {
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testOpenStream(new ModelByteBufferWavetable(buffer, format));
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testOpenStream(new ModelByteBufferWavetable(buffer_wave, format));
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testOpenStream(new ModelByteBufferWavetable(buffer_wave_ondisk,
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format));
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} finally {
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tearDown();
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}
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}
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}
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