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/*
* 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();
}
}
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