GetFormat.java revision 8729:0242fce0f717
1/* 2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 @summary Test AudioFloatInputStream getFormat method */ 26 27import java.io.*; 28 29import javax.sound.sampled.*; 30 31import com.sun.media.sound.*; 32 33public class GetFormat { 34 35 static float[] test_float_array; 36 static byte[] test_byte_array; 37 static AudioFormat format = new AudioFormat(44100, 16, 1, true, false); 38 39 static AudioFloatInputStream getStream1() 40 { 41 return AudioFloatInputStream.getInputStream(format, test_byte_array, 0, test_byte_array.length); 42 } 43 44 static AudioFloatInputStream getStream2() 45 { 46 AudioInputStream strm = new AudioInputStream(new ByteArrayInputStream(test_byte_array), format, 1024); 47 return AudioFloatInputStream.getInputStream(strm); 48 } 49 50 static void setUp() throws Exception { 51 test_float_array = new float[1024]; 52 test_byte_array = new byte[1024*format.getFrameSize()]; 53 for (int i = 0; i < 1024; i++) { 54 double ii = i / 1024.0; 55 ii = ii * ii; 56 test_float_array[i] = (float)Math.sin(10*ii*2*Math.PI); 57 test_float_array[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI); 58 test_float_array[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI); 59 test_float_array[i] *= 0.3; 60 } 61 AudioFloatConverter.getConverter(format).toByteArray(test_float_array, test_byte_array); 62 } 63 64 public static void main(String[] args) throws Exception { 65 setUp(); 66 if(!getStream1().getFormat().matches(format)) 67 throw new RuntimeException("Incorrect audio format returned."); 68 if(!getStream2().getFormat().matches(format)) 69 throw new RuntimeException("Incorrect audio format returned."); 70 } 71 72} 73