1 /* 2 * Copyright 2007 Sun Microsystems, Inc. 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. Sun designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Sun in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 22 * CA 95054 USA or visit www.sun.com if you need additional information or 23 * have any questions. 24 */ 25 26 /* @test 27 @summary Test AudioFloatInputStream getFrameLength method */ 28 29 import java.io.*; 30 31 import javax.sound.sampled.*; 32 33 import com.sun.media.sound.*; 34 35 public class GetFrameLength { 36 37 static float[] test_float_array; 38 static byte[] test_byte_array; 39 static AudioFormat format = new AudioFormat(44100, 16, 1, true, false); 40 getStream1()41 static AudioFloatInputStream getStream1() 42 { 43 return AudioFloatInputStream.getInputStream(format, test_byte_array, 0, test_byte_array.length); 44 } 45 getStream2()46 static AudioFloatInputStream getStream2() 47 { 48 AudioInputStream strm = new AudioInputStream(new ByteArrayInputStream(test_byte_array), format, 1024); 49 return AudioFloatInputStream.getInputStream(strm); 50 } 51 setUp()52 static void setUp() throws Exception { 53 test_float_array = new float[1024]; 54 test_byte_array = new byte[1024*format.getFrameSize()]; 55 for (int i = 0; i < 1024; i++) { 56 double ii = i / 1024.0; 57 ii = ii * ii; 58 test_float_array[i] = (float)Math.sin(10*ii*2*Math.PI); 59 test_float_array[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI); 60 test_float_array[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI); 61 test_float_array[i] *= 0.3; 62 } 63 AudioFloatConverter.getConverter(format).toByteArray(test_float_array, test_byte_array); 64 } 65 main(String[] args)66 public static void main(String[] args) throws Exception { 67 setUp(); 68 if(getStream1().getFrameLength() != 1024L) 69 throw new RuntimeException("Incorrect frame length returned."); 70 if(getStream2().getFrameLength() != 1024L) 71 throw new RuntimeException("Incorrect frame length returned."); 72 } 73 74 } 75