jdk/test/javax/sound/sampled/Mixers/PlugHwMonoAnd8bitAvailable.java
changeset 41905 e8e5df013c6e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/Mixers/PlugHwMonoAnd8bitAvailable.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,163 @@
+/*
+ * 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();
+    }
+}