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/*
* Copyright (c) 2010, 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 AudioFloatInputStream.getFrameLength() returned from
ModelByteBufferWavetable openStream method */
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import javax.sound.sampled.*;
import com.sun.media.sound.*;
public class OpenStream {
static float[] testarray;
static byte[] test_byte_array;
static byte[] test_byte_array_8ext;
static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
static ModelByteBuffer buffer;
static ModelByteBuffer buffer_wave;
static ModelByteBuffer buffer8;
static ModelByteBuffer buffer16_8;
static ModelByteBuffer buffer24;
static File test_file;
static ModelByteBuffer buffer_wave_ondisk;
static void setUp() throws Exception {
testarray = new float[1024];
for (int i = 0; i < 1024; i++) {
double ii = i / 1024.0;
ii = ii * ii;
testarray[i] = (float) Math.sin(10 * ii * 2 * Math.PI);
testarray[i] += (float) Math.sin(1.731 + 2 * ii * 2 * Math.PI);
testarray[i] += (float) Math.sin(0.231 + 6.3 * ii * 2 * Math.PI);
testarray[i] *= 0.3;
}
test_byte_array = new byte[testarray.length * 2];
AudioFloatConverter.getConverter(format).toByteArray(testarray,
test_byte_array);
buffer = new ModelByteBuffer(test_byte_array);
byte[] test_byte_array2 = new byte[testarray.length * 3];
buffer24 = new ModelByteBuffer(test_byte_array2);
test_byte_array_8ext = new byte[testarray.length];
byte[] test_byte_array_8_16 = new byte[testarray.length * 2];
AudioFloatConverter.getConverter(format24).toByteArray(testarray,
test_byte_array2);
int ix = 0;
int x = 0;
for (int i = 0; i < test_byte_array_8ext.length; i++) {
test_byte_array_8ext[i] = test_byte_array2[ix++];
test_byte_array_8_16[x++] = test_byte_array2[ix++];
test_byte_array_8_16[x++] = test_byte_array2[ix++];
}
buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
buffer8 = new ModelByteBuffer(test_byte_array_8ext);
AudioInputStream ais = new AudioInputStream(buffer.getInputStream(),
format, testarray.length);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
buffer_wave = new ModelByteBuffer(baos.toByteArray());
test_file = File.createTempFile("test", ".raw");
FileOutputStream fos = new FileOutputStream(test_file);
fos.write(baos.toByteArray());
fos.close();
buffer_wave_ondisk = new ModelByteBuffer(test_file);
}
static void tearDown() throws Exception {
if (!test_file.delete())
test_file.deleteOnExit();
}
public static void testOpenStream(ModelByteBufferWavetable wavetable)
throws Exception {
AudioFloatInputStream ais = wavetable.openStream();
long frames = wavetable.getBuffer().capacity()
/ wavetable.getFormat().getFrameSize();
long framelength = ais.getFrameLength();
ais.close();
if (frames != framelength) {
throw new Exception("Incorrect framelength returned (" + frames
+ " != " + framelength + ")");
}
}
public static void main(String[] args) throws Exception {
setUp();
try {
testOpenStream(new ModelByteBufferWavetable(buffer, format));
testOpenStream(new ModelByteBufferWavetable(buffer_wave, format));
testOpenStream(new ModelByteBufferWavetable(buffer_wave_ondisk,
format));
} finally {
tearDown();
}
}
}
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