1 /* 2 * Copyright (c) 2004, 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 javax.sound.sampled.AudioFormat; 25 import javax.sound.sampled.AudioSystem; 26 import javax.sound.sampled.DataLine; 27 import javax.sound.sampled.Line; 28 import javax.sound.sampled.Mixer; 29 30 /** 31 * @test 32 * @bug 5013897 33 * @summary Verify that plughw: provides mono and 8-bit lines 34 */ 35 public class PlugHwMonoAnd8bitAvailable { 36 static int failed = 0; 37 static int testedFormats = 0; 38 39 public static void main(String[] args) throws Exception { 40 out("5013897: Verify that plughw: provides mono and 8-bit lines"); 41 42 Mixer.Info[] aInfos = AudioSystem.getMixerInfo(); 43 for (int i = 0; i < aInfos.length; i++) { 44 try { 45 Mixer mixer = AudioSystem.getMixer(aInfos[i]); 46 out("Mixer "+aInfos[i]); 47 if (aInfos[i].getName().contains("plughw")) { 48 checkLines(mixer, mixer.getSourceLineInfo()); 49 checkLines(mixer, mixer.getTargetLineInfo()); 50 } else { 51 out(" -> not plughw, ignored."); 52 } 53 } catch (Exception e) { 54 out("Unexpected exception when getting a mixer: "+e); 55 } 56 } 57 if (testedFormats == 0) { 58 out("[No appropriate lines available] - cannot exercise this test."); 59 } else { 60 if (failed>0) { 61 throw new Exception("Test FAILED!"); 62 } 63 out("Successfully verified "+testedFormats+" formats."); 64 out("Test passed"); 65 } 66 } 67 68 public static void checkLines(Mixer mixer, Line.Info[] infos) { 69 for (int i = 0; i<infos.length; i++) { 70 try { 71 System.out.println(" Line "+infos[i]+" (max. "+mixer.getMaxLines(infos[i])+" simultaneously): "); 72 if (infos[i] instanceof DataLine.Info) { 73 DataLine.Info info = (DataLine.Info) infos[i]; 74 int thisTestedFormats = testedFormats; 75 int thisFailed = failed; 76 AudioFormat[] formats = info.getFormats(); 77 for (int f = 0; f < formats.length; f++) { 78 if (formats[f].getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED) 79 || formats[f].getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED)) { 80 try { 81 if (formats[f].getSampleSizeInBits() > 16) { 82 // if a bit size larger than 16 is available, also 16-bit must be there 83 checkFormat(formats, getOtherBits(formats[f], 16)); 84 } else 85 if (formats[f].getSampleSizeInBits() > 8) { 86 // if a bit size larger than 8 is available, also 8-bit must be there 87 checkFormat(formats, getOtherBits(formats[f], 8)); 88 } 89 if (formats[f].getChannels() > 2) { 90 // if more than 2 channels, also 2 channels must be there 91 checkFormat(formats, getOtherChannels(formats[f], 2)); 92 } else 93 if (formats[f].getChannels() > 1) { 94 // if more than 1 channel, also 1 channel must be there 95 checkFormat(formats, getOtherChannels(formats[f], 1)); 96 } 97 } catch (Exception e1) { 98 out(" Unexpected exception when getting a format: "+e1); 99 } 100 } 101 } 102 if (testedFormats - thisTestedFormats == 0) { 103 out(" -->could not test any formats"); 104 } else if (failed - thisFailed == 0) { 105 out(" -->"+(testedFormats - thisTestedFormats)+" formats tested OK"); 106 } 107 108 } else { 109 out(" --> not a DataLine"); 110 } 111 } catch (Exception e) { 112 out(" Unexpected exception when getting a line: "+e); 113 } 114 } 115 } 116 117 public static void checkFormat(AudioFormat[] formats, AudioFormat format) { 118 testedFormats++; 119 for (int i = 0; i < formats.length; i++) { 120 if (formats[i].matches(format)) { 121 return; 122 } 123 } 124 out(" ## expected this format: "+format 125 +" ("+format.getChannels()+" channels, " 126 +"frameSize="+format.getFrameSize()+", " 127 +(format.isBigEndian()?"big endian":"little endian") 128 +")"); 129 failed++; 130 } 131 132 // only works for PCM encodings 133 public static AudioFormat getOtherBits(AudioFormat format, int newBits) { 134 boolean isSigned = format.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED); 135 return new AudioFormat(format.getSampleRate(), 136 newBits, 137 format.getChannels(), 138 isSigned, 139 (newBits>8)?format.isBigEndian():false); 140 } 141 142 // only works for PCM encodings 143 public static AudioFormat getOtherChannels(AudioFormat format, int newChannels) { 144 int newFrameSize; 145 if (newChannels <= 0 || format.getChannels() <= 0 || format.getFrameSize() <= 0) { 146 newFrameSize = -1; 147 } else { 148 newFrameSize = format.getFrameSize() / format.getChannels() * newChannels; 149 } 150 return new AudioFormat(format.getEncoding(), 151 format.getSampleRate(), 152 format.getSampleSizeInBits(), 153 newChannels, 154 newFrameSize, 155 format.getFrameRate(), 156 format.isBigEndian()); 157 } 158 159 160 static void out(String s) { 161 System.out.println(s); System.out.flush(); 162 } 163 }