| /* |
| * Copyright (c) 2004, 2016, 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. |
| */ |
| |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioSystem; |
| import javax.sound.sampled.DataLine; |
| import javax.sound.sampled.Line; |
| import javax.sound.sampled.Mixer; |
| |
| /** |
| * @test |
| * @bug 5013897 |
| * @summary Verify that plughw: provides mono and 8-bit lines |
| */ |
| public class PlugHwMonoAnd8bitAvailable { |
| static int failed = 0; |
| static int testedFormats = 0; |
| |
| public static void main(String[] args) throws Exception { |
| out("5013897: Verify that plughw: provides mono and 8-bit lines"); |
| |
| Mixer.Info[] aInfos = AudioSystem.getMixerInfo(); |
| for (int i = 0; i < aInfos.length; i++) { |
| try { |
| Mixer mixer = AudioSystem.getMixer(aInfos[i]); |
| out("Mixer "+aInfos[i]); |
| if (aInfos[i].getName().contains("plughw")) { |
| checkLines(mixer, mixer.getSourceLineInfo()); |
| checkLines(mixer, mixer.getTargetLineInfo()); |
| } else { |
| out(" -> not plughw, ignored."); |
| } |
| } catch (Exception e) { |
| out("Unexpected exception when getting a mixer: "+e); |
| } |
| } |
| if (testedFormats == 0) { |
| out("[No appropriate lines available] - cannot exercise this test."); |
| } else { |
| if (failed>0) { |
| throw new Exception("Test FAILED!"); |
| } |
| out("Successfully verified "+testedFormats+" formats."); |
| out("Test passed"); |
| } |
| } |
| |
| public static void checkLines(Mixer mixer, Line.Info[] infos) { |
| for (int i = 0; i<infos.length; i++) { |
| try { |
| System.out.println(" Line "+infos[i]+" (max. "+mixer.getMaxLines(infos[i])+" simultaneously): "); |
| if (infos[i] instanceof DataLine.Info) { |
| DataLine.Info info = (DataLine.Info) infos[i]; |
| int thisTestedFormats = testedFormats; |
| int thisFailed = failed; |
| AudioFormat[] formats = info.getFormats(); |
| for (int f = 0; f < formats.length; f++) { |
| if (formats[f].getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED) |
| || formats[f].getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED)) { |
| try { |
| if (formats[f].getSampleSizeInBits() > 16) { |
| // if a bit size larger than 16 is available, also 16-bit must be there |
| checkFormat(formats, getOtherBits(formats[f], 16)); |
| } else |
| if (formats[f].getSampleSizeInBits() > 8) { |
| // if a bit size larger than 8 is available, also 8-bit must be there |
| checkFormat(formats, getOtherBits(formats[f], 8)); |
| } |
| if (formats[f].getChannels() > 2) { |
| // if more than 2 channels, also 2 channels must be there |
| checkFormat(formats, getOtherChannels(formats[f], 2)); |
| } else |
| if (formats[f].getChannels() > 1) { |
| // if more than 1 channel, also 1 channel must be there |
| checkFormat(formats, getOtherChannels(formats[f], 1)); |
| } |
| } catch (Exception e1) { |
| out(" Unexpected exception when getting a format: "+e1); |
| } |
| } |
| } |
| if (testedFormats - thisTestedFormats == 0) { |
| out(" -->could not test any formats"); |
| } else if (failed - thisFailed == 0) { |
| out(" -->"+(testedFormats - thisTestedFormats)+" formats tested OK"); |
| } |
| |
| } else { |
| out(" --> not a DataLine"); |
| } |
| } catch (Exception e) { |
| out(" Unexpected exception when getting a line: "+e); |
| } |
| } |
| } |
| |
| public static void checkFormat(AudioFormat[] formats, AudioFormat format) { |
| testedFormats++; |
| for (int i = 0; i < formats.length; i++) { |
| if (formats[i].matches(format)) { |
| return; |
| } |
| } |
| out(" ## expected this format: "+format |
| +" ("+format.getChannels()+" channels, " |
| +"frameSize="+format.getFrameSize()+", " |
| +(format.isBigEndian()?"big endian":"little endian") |
| +")"); |
| failed++; |
| } |
| |
| // only works for PCM encodings |
| public static AudioFormat getOtherBits(AudioFormat format, int newBits) { |
| boolean isSigned = format.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED); |
| return new AudioFormat(format.getSampleRate(), |
| newBits, |
| format.getChannels(), |
| isSigned, |
| (newBits>8)?format.isBigEndian():false); |
| } |
| |
| // only works for PCM encodings |
| public static AudioFormat getOtherChannels(AudioFormat format, int newChannels) { |
| int newFrameSize; |
| if (newChannels <= 0 || format.getChannels() <= 0 || format.getFrameSize() <= 0) { |
| newFrameSize = -1; |
| } else { |
| newFrameSize = format.getFrameSize() / format.getChannels() * newChannels; |
| } |
| return new AudioFormat(format.getEncoding(), |
| format.getSampleRate(), |
| format.getSampleSizeInBits(), |
| newChannels, |
| newFrameSize, |
| format.getFrameRate(), |
| format.isBigEndian()); |
| } |
| |
| |
| static void out(String s) { |
| System.out.println(s); System.out.flush(); |
| } |
| } |
