1 /* 2 * Copyright (c) 2016, 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 import java.io.ByteArrayInputStream; 25 import java.io.ByteArrayOutputStream; 26 import java.io.IOException; 27 import java.io.InputStream; 28 import java.util.ArrayList; 29 import java.util.List; 30 31 import javax.sound.sampled.AudioFileFormat; 32 import javax.sound.sampled.AudioFormat; 33 import javax.sound.sampled.AudioInputStream; 34 import javax.sound.sampled.AudioSystem; 35 import javax.sound.sampled.UnsupportedAudioFileException; 36 import javax.sound.sampled.spi.AudioFileWriter; 37 import javax.sound.sampled.spi.FormatConversionProvider; 38 39 import static java.util.ServiceLoader.load; 40 import static javax.sound.sampled.AudioFileFormat.Type.AIFC; 41 import static javax.sound.sampled.AudioFileFormat.Type.AIFF; 42 import static javax.sound.sampled.AudioFileFormat.Type.AU; 43 import static javax.sound.sampled.AudioFileFormat.Type.SND; 44 import static javax.sound.sampled.AudioFileFormat.Type.WAVE; 45 import static javax.sound.sampled.AudioSystem.NOT_SPECIFIED; 46 47 /** 48 * @test 49 * @bug 8038139 50 */ 51 public final class FrameLengthAfterConversion { 52 53 /** 54 * We will try to use all formats, in this case all our providers will be 55 * covered by supported/unsupported formats. 56 */ 57 private static final List<AudioFormat> formats = new ArrayList<>(23000); 58 59 private static final AudioFormat.Encoding[] encodings = { 60 AudioFormat.Encoding.ALAW, AudioFormat.Encoding.ULAW, 61 AudioFormat.Encoding.PCM_SIGNED, AudioFormat.Encoding.PCM_UNSIGNED, 62 AudioFormat.Encoding.PCM_FLOAT, new AudioFormat.Encoding("Test") 63 }; 64 65 private static final int[] sampleBits = { 66 1, 4, 8, 11, 16, 20, 24, 32, 48, 64, 128 67 }; 68 69 private static final int[] channels = { 70 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 71 }; 72 73 private static final AudioFileFormat.Type[] types = { 74 WAVE, AU, AIFF, AIFC, SND, 75 new AudioFileFormat.Type("TestName", "TestExt") 76 }; 77 78 private static final int FRAME_LENGTH = 10; 79 80 static { 81 for (final int sampleSize : sampleBits) { 82 for (final int channel : channels) { 83 for (final AudioFormat.Encoding enc : encodings) { 84 final int frameSize = ((sampleSize + 7) / 8) * channel; 85 formats.add(new AudioFormat(enc, 44100, sampleSize, channel, 86 frameSize, 44100, true)); 87 formats.add(new AudioFormat(enc, 44100, sampleSize, channel, 88 frameSize, 44100, false)); 89 } 90 } 91 } 92 } 93 94 public static void main(final String[] args) { 95 for (final FormatConversionProvider fcp : load( 96 FormatConversionProvider.class)) { 97 System.out.println("fcp = " + fcp); 98 for (final AudioFormat from : formats) { 99 final AudioInputStream ais = getStream(from); 100 for (final AudioFormat to : formats) { 101 testAfterConversion(fcp, ais, to); 102 } 103 } 104 } 105 106 for (final AudioFileWriter afw : load(AudioFileWriter.class)) { 107 System.out.println("afw = " + afw); 108 for (final AudioFileFormat.Type type : types) { 109 for (final AudioFormat from : formats) { 110 testAfterSaveToFile(afw, type, from); 111 } 112 } 113 } 114 } 115 116 /** 117 * Verifies the frame length after the stream was saved/read to/from 118 * stream. 119 */ 120 private static void testAfterSaveToFile(AudioFileWriter afw, 121 AudioFileFormat.Type type, 122 AudioFormat from) { 123 final AudioInputStream ais = getStream(from); 124 try { 125 ByteArrayOutputStream out = new ByteArrayOutputStream(); 126 afw.write(ais, type, out); 127 InputStream input = new ByteArrayInputStream(out.toByteArray()); 128 validate(AudioSystem.getAudioInputStream(input).getFrameLength()); 129 } catch (IllegalArgumentException | UnsupportedAudioFileException 130 | IOException ignored) { 131 } 132 } 133 134 /** 135 * Verifies the frame length after the stream was converted to other 136 * stream. 137 * 138 * @see FormatConversionProvider#getAudioInputStream(AudioFormat, 139 * AudioInputStream) 140 */ 141 private static void testAfterConversion(FormatConversionProvider fcp, 142 AudioInputStream ais, 143 AudioFormat to) { 144 if (fcp.isConversionSupported(to, ais.getFormat())) { 145 validate(fcp.getAudioInputStream(to, ais).getFrameLength()); 146 } 147 } 148 149 /** 150 * Throws an exception if the frameLength is specified and is not equal to 151 * the gold value. 152 */ 153 private static void validate(final long frameLength) { 154 if (frameLength != NOT_SPECIFIED && frameLength != FRAME_LENGTH) { 155 System.err.println("Expected: " + FRAME_LENGTH); 156 System.err.println("Actual: " + frameLength); 157 throw new RuntimeException(); 158 } 159 } 160 161 private static AudioInputStream getStream(final AudioFormat format) { 162 final InputStream in = new ByteArrayInputStream(new byte[2048]); 163 return new AudioInputStream(in, format, FRAME_LENGTH); 164 } 165 }