| /* |
| * Copyright (c) 2007, 2015, 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 read(float[], int, int) method |
| @modules java.desktop/com.sun.media.sound |
| */ |
| |
| import java.io.*; |
| |
| import javax.sound.sampled.*; |
| |
| import com.sun.media.sound.*; |
| |
| public class ReadFloatArrayIntInt { |
| |
| static float[] test_float_array; |
| static byte[] test_byte_array; |
| static AudioFormat format = new AudioFormat(44100, 16, 1, true, false); |
| |
| static AudioFloatInputStream getStream1() |
| { |
| return AudioFloatInputStream.getInputStream(format, test_byte_array, 0, test_byte_array.length); |
| } |
| |
| static AudioFloatInputStream getStream2() |
| { |
| AudioInputStream strm = new AudioInputStream(new ByteArrayInputStream(test_byte_array), format, 1024); |
| return AudioFloatInputStream.getInputStream(strm); |
| } |
| |
| static void setUp() throws Exception { |
| test_float_array = new float[1024]; |
| test_byte_array = new byte[1024*format.getFrameSize()]; |
| for (int i = 0; i < 1024; i++) { |
| double ii = i / 1024.0; |
| ii = ii * ii; |
| test_float_array[i] = (float)Math.sin(10*ii*2*Math.PI); |
| test_float_array[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI); |
| test_float_array[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI); |
| test_float_array[i] *= 0.3; |
| } |
| AudioFloatConverter.getConverter(format).toByteArray(test_float_array, test_byte_array); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| setUp(); |
| |
| for (int i = 0; i < 2; i++) { |
| AudioFloatInputStream stream = null; |
| if(i == 0) stream = getStream1(); |
| if(i == 1) stream = getStream2(); |
| float[] buff = new float[1024]; |
| stream.read(buff,0,512); |
| stream.read(buff,512,512); |
| for (int j = 0; j < buff.length; j++) |
| if(!(Math.abs(buff[j] - test_float_array[j]) < 0.0001)) |
| throw new RuntimeException("Incorrect data in buffer."); |
| |
| } |
| } |
| |
| } |