8146144: Incorrect behaviour of AudioSystem.getTargetFormats/getTargetEncodings/isConversionSupported
authorserb
Tue, 12 Jan 2016 23:27:23 +0300
changeset 35684 900e28dae561
parent 35683 d8a9be6bd7db
child 35685 f405bbd07cc6
8146144: Incorrect behaviour of AudioSystem.getTargetFormats/getTargetEncodings/isConversionSupported Reviewed-by: amenkov
jdk/src/java.desktop/share/classes/com/sun/media/sound/AlawCodec.java
jdk/src/java.desktop/share/classes/com/sun/media/sound/AudioFloatFormatConverter.java
jdk/src/java.desktop/share/classes/com/sun/media/sound/PCMtoPCMCodec.java
jdk/src/java.desktop/share/classes/com/sun/media/sound/SunCodec.java
jdk/src/java.desktop/share/classes/com/sun/media/sound/UlawCodec.java
jdk/src/java.desktop/share/classes/javax/sound/sampled/AudioSystem.java
jdk/test/javax/sound/sampled/spi/FormatConversionProvider/GetAudioStreamConversionSupported.java
jdk/test/javax/sound/sampled/spi/FormatConversionProvider/GetTargetIsSupported.java
--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/AlawCodec.java	Fri Jan 01 18:33:53 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/AlawCodec.java	Tue Jan 12 23:27:23 2016 +0300
@@ -135,45 +135,48 @@
         AudioFormat sourceFormat = sourceStream.getFormat();
         AudioFormat.Encoding sourceEncoding = sourceFormat.getEncoding();
 
+        if( !isConversionSupported(targetEncoding,sourceStream.getFormat()) ) {
+            throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
+        }
         if( sourceEncoding.equals( targetEncoding ) ) {
             return sourceStream;
-        } else {
-            AudioFormat targetFormat = null;
-            if( !isConversionSupported(targetEncoding,sourceStream.getFormat()) ) {
-                throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
-            }
-            if( sourceEncoding.equals( AudioFormat.Encoding.ALAW ) &&
-                targetEncoding.equals( AudioFormat.Encoding.PCM_SIGNED ) ) {
+        }
+        AudioFormat targetFormat = null;
+        if( sourceEncoding.equals( AudioFormat.Encoding.ALAW ) &&
+            targetEncoding.equals( AudioFormat.Encoding.PCM_SIGNED ) ) {
 
-                targetFormat = new AudioFormat( targetEncoding,
-                                                sourceFormat.getSampleRate(),
-                                                16,
-                                                sourceFormat.getChannels(),
-                                                2*sourceFormat.getChannels(),
-                                                sourceFormat.getSampleRate(),
-                                                sourceFormat.isBigEndian());
+            targetFormat = new AudioFormat( targetEncoding,
+                                            sourceFormat.getSampleRate(),
+                                            16,
+                                            sourceFormat.getChannels(),
+                                            2*sourceFormat.getChannels(),
+                                            sourceFormat.getSampleRate(),
+                                            sourceFormat.isBigEndian());
 
-            } else if( sourceEncoding.equals( AudioFormat.Encoding.PCM_SIGNED ) &&
-                       targetEncoding.equals( AudioFormat.Encoding.ALAW ) ) {
+        } else if( sourceEncoding.equals( AudioFormat.Encoding.PCM_SIGNED ) &&
+                   targetEncoding.equals( AudioFormat.Encoding.ALAW ) ) {
 
-                targetFormat = new AudioFormat( targetEncoding,
-                                                sourceFormat.getSampleRate(),
-                                                8,
-                                                sourceFormat.getChannels(),
-                                                sourceFormat.getChannels(),
-                                                sourceFormat.getSampleRate(),
-                                                false);
-            } else {
-                throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
-            }
-            return getAudioInputStream( targetFormat, sourceStream );
+            targetFormat = new AudioFormat( targetEncoding,
+                                            sourceFormat.getSampleRate(),
+                                            8,
+                                            sourceFormat.getChannels(),
+                                            sourceFormat.getChannels(),
+                                            sourceFormat.getSampleRate(),
+                                            false);
+        } else {
+            throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
         }
+        return getConvertedStream(targetFormat, sourceStream);
     }
 
     /**
      * use old code...
      */
     public AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream){
+        if (!isConversionSupported(targetFormat, sourceStream.getFormat()))
+            throw new IllegalArgumentException("Unsupported conversion: "
+                                               + sourceStream.getFormat().toString() + " to "
+                                               + targetFormat.toString());
         return getConvertedStream( targetFormat, sourceStream );
     }
 
@@ -218,33 +221,28 @@
         Vector<AudioFormat> formats = new Vector<>();
         AudioFormat format;
 
-        if ( AudioFormat.Encoding.PCM_SIGNED.equals(inputFormat.getEncoding())) {
+        if (inputFormat.getSampleSizeInBits() == 16
+                && AudioFormat.Encoding.PCM_SIGNED.equals(inputFormat.getEncoding())) {
             format = new AudioFormat(AudioFormat.Encoding.ALAW,
-                                     inputFormat.getSampleRate(),
-                                     8,
+                                     inputFormat.getSampleRate(), 8,
                                      inputFormat.getChannels(),
                                      inputFormat.getChannels(),
-                                     inputFormat.getSampleRate(),
-                                     false );
+                                     inputFormat.getSampleRate(), false);
             formats.addElement(format);
         }
-
-        if (AudioFormat.Encoding.ALAW.equals(inputFormat.getEncoding())) {
+        if (inputFormat.getSampleSizeInBits() == 8
+                && AudioFormat.Encoding.ALAW.equals(inputFormat.getEncoding())) {
             format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
-                                     inputFormat.getSampleRate(),
-                                     16,
+                                     inputFormat.getSampleRate(), 16,
                                      inputFormat.getChannels(),
-                                     inputFormat.getChannels()*2,
-                                     inputFormat.getSampleRate(),
-                                     false );
+                                     inputFormat.getChannels() * 2,
+                                     inputFormat.getSampleRate(), false);
             formats.addElement(format);
             format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
-                                     inputFormat.getSampleRate(),
-                                     16,
+                                     inputFormat.getSampleRate(), 16,
                                      inputFormat.getChannels(),
-                                     inputFormat.getChannels()*2,
-                                     inputFormat.getSampleRate(),
-                                     true );
+                                     inputFormat.getChannels() * 2,
+                                     inputFormat.getSampleRate(), true);
             formats.addElement(format);
         }
 
--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/AudioFloatFormatConverter.java	Fri Jan 01 18:33:53 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/AudioFloatFormatConverter.java	Tue Jan 12 23:27:23 2016 +0300
@@ -22,6 +22,7 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package com.sun.media.sound;
 
 import java.io.IOException;
@@ -475,6 +476,11 @@
 
     public AudioInputStream getAudioInputStream(Encoding targetEncoding,
             AudioInputStream sourceStream) {
+        if (!isConversionSupported(targetEncoding, sourceStream.getFormat())) {
+            throw new IllegalArgumentException(
+                    "Unsupported conversion: " + sourceStream.getFormat()
+                            .toString() + " to " + targetEncoding.toString());
+        }
         if (sourceStream.getFormat().getEncoding().equals(targetEncoding))
             return sourceStream;
         AudioFormat format = sourceStream.getFormat();
--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/PCMtoPCMCodec.java	Fri Jan 01 18:33:53 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/PCMtoPCMCodec.java	Tue Jan 12 23:27:23 2016 +0300
@@ -33,7 +33,6 @@
 import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
 
-
 /**
  * Converts among signed/unsigned and little/big endianness of sampled.
  *
@@ -52,11 +51,6 @@
         AudioFormat.Encoding.PCM_UNSIGNED,
     };
 
-
-
-    private static final int tempBufferSize = 64;
-    private byte tempBuffer [] = null;
-
     /**
      * Constructs a new PCMtoPCM codec object.
      */
@@ -67,21 +61,31 @@
 
     // NEW CODE
 
-
-    /**
-     */
-    public AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat){
-
-        if( sourceFormat.getEncoding().equals( AudioFormat.Encoding.PCM_SIGNED ) ||
-            sourceFormat.getEncoding().equals( AudioFormat.Encoding.PCM_UNSIGNED ) ) {
+    public AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat) {
 
-                AudioFormat.Encoding encs[] = new AudioFormat.Encoding[2];
-                encs[0] = AudioFormat.Encoding.PCM_SIGNED;
-                encs[1] = AudioFormat.Encoding.PCM_UNSIGNED;
-                return encs;
-            } else {
-                return new AudioFormat.Encoding[0];
+        final int sampleSize = sourceFormat.getSampleSizeInBits();
+        AudioFormat.Encoding encoding = sourceFormat.getEncoding();
+        if (sampleSize == 8) {
+            if (encoding.equals(AudioFormat.Encoding.PCM_SIGNED)) {
+                return new AudioFormat.Encoding[]{
+                        AudioFormat.Encoding.PCM_UNSIGNED
+                };
             }
+            if (encoding.equals(AudioFormat.Encoding.PCM_UNSIGNED)) {
+                return new AudioFormat.Encoding[]{
+                        AudioFormat.Encoding.PCM_SIGNED
+                };
+            }
+        } else if (sampleSize == 16) {
+            if (encoding.equals(AudioFormat.Encoding.PCM_SIGNED)
+                    || encoding.equals(AudioFormat.Encoding.PCM_UNSIGNED)) {
+                return new AudioFormat.Encoding[]{
+                        AudioFormat.Encoding.PCM_UNSIGNED,
+                        AudioFormat.Encoding.PCM_SIGNED
+                };
+            }
+        }
+        return new AudioFormat.Encoding[0];
     }
 
 
@@ -125,7 +129,7 @@
                                                         sourceFormat.getFrameRate(),
                                                         sourceFormat.isBigEndian() );
 
-            return getAudioInputStream( targetFormat, sourceStream );
+            return getConvertedStream(targetFormat, sourceStream);
 
         } else {
             throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString() );
@@ -136,7 +140,10 @@
      * use old code
      */
     public AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream){
-
+        if (!isConversionSupported(targetFormat, sourceStream.getFormat()))
+            throw new IllegalArgumentException("Unsupported conversion: "
+                                               + sourceStream.getFormat().toString() + " to "
+                                               + targetFormat.toString());
         return getConvertedStream( targetFormat, sourceStream );
     }
 
@@ -166,7 +173,6 @@
         } else {
 
             cs = (AudioInputStream) (new PCMtoPCMCodecStream(stream, outputFormat));
-            tempBuffer = new byte[tempBufferSize];
         }
         return cs;
     }
--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/SunCodec.java	Fri Jan 01 18:33:53 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/SunCodec.java	Tue Jan 12 23:27:23 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, 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
@@ -26,11 +26,8 @@
 package com.sun.media.sound;
 
 import javax.sound.sampled.AudioFormat;
-import javax.sound.sampled.AudioInputStream;
-
 import javax.sound.sampled.spi.FormatConversionProvider;
 
-
 /**
  * A codec can encode and/or decode audio data.  It provides an
  * AudioInputStream from which processed data may be read.
@@ -73,23 +70,4 @@
         System.arraycopy(outputEncodings, 0, encodings, 0, outputEncodings.length);
         return encodings;
     }
-
-    /**
-     */
-    public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);
-
-
-    /**
-     */
-    public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);
-
-
-    /**
-     */
-    public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);
-    /**
-     */
-    public abstract AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream);
-
-
 }
--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/UlawCodec.java	Fri Jan 01 18:33:53 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/UlawCodec.java	Tue Jan 12 23:27:23 2016 +0300
@@ -26,13 +26,12 @@
 package com.sun.media.sound;
 
 import java.io.IOException;
-
 import java.util.Objects;
 import java.util.Vector;
 
 import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
-import javax.sound.sampled.AudioInputStream;
 
 
 /**
@@ -126,43 +125,46 @@
         AudioFormat sourceFormat = sourceStream.getFormat();
         AudioFormat.Encoding sourceEncoding = sourceFormat.getEncoding();
 
+        if (!isConversionSupported(targetEncoding,sourceStream.getFormat())) {
+            throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
+        }
         if (sourceEncoding.equals(targetEncoding)) {
             return sourceStream;
+        }
+        AudioFormat targetFormat = null;
+        if (AudioFormat.Encoding.ULAW.equals(sourceEncoding) &&
+            AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding) ) {
+            targetFormat = new AudioFormat( targetEncoding,
+                                            sourceFormat.getSampleRate(),
+                                            16,
+                                            sourceFormat.getChannels(),
+                                            2*sourceFormat.getChannels(),
+                                            sourceFormat.getSampleRate(),
+                                            sourceFormat.isBigEndian());
+        } else if (AudioFormat.Encoding.PCM_SIGNED.equals(sourceEncoding) &&
+                   AudioFormat.Encoding.ULAW.equals(targetEncoding)) {
+            targetFormat = new AudioFormat( targetEncoding,
+                                            sourceFormat.getSampleRate(),
+                                            8,
+                                            sourceFormat.getChannels(),
+                                            sourceFormat.getChannels(),
+                                            sourceFormat.getSampleRate(),
+                                            false);
         } else {
-            AudioFormat targetFormat = null;
-            if (!isConversionSupported(targetEncoding,sourceStream.getFormat())) {
-                throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
-            }
-            if (AudioFormat.Encoding.ULAW.equals(sourceEncoding) &&
-                AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding) ) {
-                targetFormat = new AudioFormat( targetEncoding,
-                                                sourceFormat.getSampleRate(),
-                                                16,
-                                                sourceFormat.getChannels(),
-                                                2*sourceFormat.getChannels(),
-                                                sourceFormat.getSampleRate(),
-                                                sourceFormat.isBigEndian());
-            } else if (AudioFormat.Encoding.PCM_SIGNED.equals(sourceEncoding) &&
-                       AudioFormat.Encoding.ULAW.equals(targetEncoding)) {
-                targetFormat = new AudioFormat( targetEncoding,
-                                                sourceFormat.getSampleRate(),
-                                                8,
-                                                sourceFormat.getChannels(),
-                                                sourceFormat.getChannels(),
-                                                sourceFormat.getSampleRate(),
-                                                false);
-            } else {
-                throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
-            }
+            throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
+        }
 
-            return getAudioInputStream( targetFormat, sourceStream );
-        }
+        return getConvertedStream(targetFormat, sourceStream);
     }
 
     /**
      * use old code...
      */
     public AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream){
+        if (!isConversionSupported(targetFormat, sourceStream.getFormat()))
+            throw new IllegalArgumentException("Unsupported conversion: "
+                                               + sourceStream.getFormat().toString() + " to "
+                                               + targetFormat.toString());
         return getConvertedStream(targetFormat, sourceStream);
     }
 
@@ -215,24 +217,20 @@
                                      false );
             formats.addElement(format);
         }
-
-        if (AudioFormat.Encoding.ULAW.equals(inputFormat.getEncoding())) {
+        if (inputFormat.getSampleSizeInBits() == 8
+                && AudioFormat.Encoding.ULAW.equals(inputFormat.getEncoding())) {
             format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
-                                     inputFormat.getSampleRate(),
-                                     16,
+                                     inputFormat.getSampleRate(), 16,
                                      inputFormat.getChannels(),
-                                     inputFormat.getChannels()*2,
-                                     inputFormat.getSampleRate(),
-                                     false );
+                                     inputFormat.getChannels() * 2,
+                                     inputFormat.getSampleRate(), false);
             formats.addElement(format);
 
             format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
-                                     inputFormat.getSampleRate(),
-                                     16,
+                                     inputFormat.getSampleRate(), 16,
                                      inputFormat.getChannels(),
-                                     inputFormat.getChannels()*2,
-                                     inputFormat.getSampleRate(),
-                                     true );
+                                     inputFormat.getChannels() * 2,
+                                     inputFormat.getSampleRate(), true);
             formats.addElement(format);
         }
 
--- a/jdk/src/java.desktop/share/classes/javax/sound/sampled/AudioSystem.java	Fri Jan 01 18:33:53 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/javax/sound/sampled/AudioSystem.java	Tue Jan 12 23:27:23 2016 +0300
@@ -32,6 +32,7 @@
 import java.io.OutputStream;
 import java.net.URL;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Objects;
@@ -689,8 +690,11 @@
                 }
             }
         }
-        AudioFormat.Encoding encs2[] = encodings.toArray(new AudioFormat.Encoding[0]);
-        return encs2;
+        if (!encodings.contains(sourceEncoding)) {
+            encodings.addElement(sourceEncoding);
+        }
+
+        return encodings.toArray(new AudioFormat.Encoding[encodings.size()]);
     }
 
     // $$fb 2002-04-12: fix for 4662082: behavior of AudioSystem.getTargetEncodings() methods doesn't match the spec
@@ -711,30 +715,18 @@
         Objects.requireNonNull(sourceFormat);
 
         List<FormatConversionProvider> codecs = getFormatConversionProviders();
-        Vector<AudioFormat.Encoding[]> encodings = new Vector<>();
-
-        int size = 0;
-        int index = 0;
-        AudioFormat.Encoding encs[] = null;
+        List<AudioFormat.Encoding> encs = new ArrayList<>();
 
         // gather from all the codecs
-
-        for(int i=0; i<codecs.size(); i++ ) {
-            encs = codecs.get(i).getTargetEncodings(sourceFormat);
-            size += encs.length;
-            encodings.addElement( encs );
+        for (final FormatConversionProvider codec : codecs) {
+            Collections.addAll(encs, codec.getTargetEncodings(sourceFormat));
         }
 
-        // now build a new array
+        if (!encs.contains(sourceFormat.getEncoding())) {
+            encs.add(sourceFormat.getEncoding());
+        }
 
-        AudioFormat.Encoding encs2[] = new AudioFormat.Encoding[size];
-        for(int i=0; i<encodings.size(); i++ ) {
-            encs = encodings.get(i);
-            for(int j=0; j<encs.length; j++ ) {
-                encs2[index++] = encs[j];
-            }
-        }
-        return encs2;
+        return encs.toArray(new AudioFormat.Encoding[encs.size()]);
     }
 
     /**
@@ -751,6 +743,9 @@
     public static boolean isConversionSupported(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat) {
         Objects.requireNonNull(targetEncoding);
         Objects.requireNonNull(sourceFormat);
+        if (sourceFormat.getEncoding().equals(targetEncoding)) {
+            return true;
+        }
 
         List<FormatConversionProvider> codecs = getFormatConversionProviders();
 
@@ -782,6 +777,9 @@
                                                        AudioInputStream sourceStream) {
         Objects.requireNonNull(targetEncoding);
         Objects.requireNonNull(sourceStream);
+        if (sourceStream.getFormat().getEncoding().equals(targetEncoding)) {
+            return sourceStream;
+        }
 
         List<FormatConversionProvider> codecs = getFormatConversionProviders();
 
@@ -812,31 +810,27 @@
         Objects.requireNonNull(sourceFormat);
 
         List<FormatConversionProvider> codecs = getFormatConversionProviders();
-        Vector<AudioFormat[]> formats = new Vector<>();
+        List<AudioFormat> formats = new ArrayList<>();
 
-        int size = 0;
-        int index = 0;
-        AudioFormat fmts[] = null;
-
+        boolean matchFound = false;
         // gather from all the codecs
-
-        for(int i=0; i<codecs.size(); i++ ) {
-            FormatConversionProvider codec = codecs.get(i);
-            fmts = codec.getTargetFormats(targetEncoding, sourceFormat);
-            size += fmts.length;
-            formats.addElement( fmts );
+        for (final FormatConversionProvider codec : codecs) {
+            AudioFormat[] elements = codec
+                    .getTargetFormats(targetEncoding, sourceFormat);
+            for (AudioFormat format : elements) {
+                formats.add(format);
+                if (sourceFormat.matches(format)) {
+                    matchFound = true;
+                }
+            }
         }
 
-        // now build a new array
-
-        AudioFormat fmts2[] = new AudioFormat[size];
-        for(int i=0; i<formats.size(); i++ ) {
-            fmts = formats.get(i);
-            for(int j=0; j<fmts.length; j++ ) {
-                fmts2[index++] = fmts[j];
+        if (targetEncoding.equals(sourceFormat.getEncoding())) {
+            if (!matchFound) {
+                formats.add(sourceFormat);
             }
         }
-        return fmts2;
+        return formats.toArray(new AudioFormat[formats.size()]);
     }
 
     /**
@@ -853,6 +847,9 @@
     public static boolean isConversionSupported(AudioFormat targetFormat, AudioFormat sourceFormat) {
         Objects.requireNonNull(targetFormat);
         Objects.requireNonNull(sourceFormat);
+        if (sourceFormat.matches(targetFormat)) {
+            return true;
+        }
 
         List<FormatConversionProvider> codecs = getFormatConversionProviders();
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/spi/FormatConversionProvider/GetAudioStreamConversionSupported.java	Tue Jan 12 23:27:23 2016 +0300
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2015, 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 java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.spi.FormatConversionProvider;
+
+import static java.util.ServiceLoader.load;
+
+/**
+ * @test
+ * @bug 8146144
+ */
+public final class GetAudioStreamConversionSupported {
+
+    static final AudioFormat.Encoding[] encodings = {
+            AudioFormat.Encoding.ALAW, AudioFormat.Encoding.ULAW,
+            AudioFormat.Encoding.PCM_SIGNED, AudioFormat.Encoding.PCM_UNSIGNED,
+            AudioFormat.Encoding.PCM_FLOAT, new AudioFormat.Encoding("Test")
+    };
+
+    public static void main(final String[] args) {
+        for (final int sampleSize : new int[]{4, 8, 16, 24, 32}) {
+            for (final AudioFormat.Encoding enc : encodings) {
+                for (final Boolean endian : new boolean[]{false, true}) {
+                    testAS(enc, endian, sampleSize);
+                    for (final FormatConversionProvider fcp : load
+                            (FormatConversionProvider.class)) {
+                        testFCP(fcp, enc, endian, sampleSize);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Tests the part of AudioSystem API, which implemented via
+     * FormatConversionProvider.
+     * <p>
+     * AudioSystem always support conversion to the same encoding/format.
+     */
+    private static void testAS(final AudioFormat.Encoding enc,
+                               final Boolean endian, final int sampleSize) {
+        final AudioInputStream ais = getStream(enc, endian, sampleSize);
+        final AudioFormat format = ais.getFormat();
+        if (!AudioSystem.isConversionSupported(enc, format)) {
+            throw new RuntimeException("Format: " + format);
+        }
+        if (!AudioSystem.isConversionSupported(format, format)) {
+            throw new RuntimeException("Format: " + format);
+        }
+        AudioSystem.getAudioInputStream(enc, ais);
+        AudioSystem.getAudioInputStream(format, ais);
+    }
+
+    /**
+     * Tests the FormatConversionProvider API directly.
+     */
+    private static void testFCP(final FormatConversionProvider fcp,
+                                final AudioFormat.Encoding enc,
+                                final Boolean endian, final int sampleSize) {
+        System.out.println("fcp = " + fcp);
+        final AudioInputStream ais = getStream(enc, endian, sampleSize);
+        final AudioFormat frmt = ais.getFormat();
+        if (fcp.isConversionSupported(enc, frmt)) {
+            try {
+                fcp.getAudioInputStream(enc, ais);
+            } catch (final IllegalArgumentException ex) {
+                throw new RuntimeException("Format: " + frmt, ex);
+            }
+        } else {
+            try {
+                fcp.getAudioInputStream(enc, ais);
+                throw new RuntimeException("Format: " + frmt);
+            } catch (final IllegalArgumentException ignored) {
+            }
+            try {
+                fcp.getAudioInputStream(frmt, ais);
+                throw new RuntimeException("Format: " + frmt);
+            } catch (final IllegalArgumentException ignored) {
+            }
+        }
+        if (fcp.isConversionSupported(frmt, frmt)) {
+            try {
+                fcp.getAudioInputStream(enc, ais);
+                fcp.getAudioInputStream(frmt, ais);
+            } catch (final IllegalArgumentException ex) {
+                throw new RuntimeException("Format: " + frmt, ex);
+            }
+        } else {
+            try {
+                fcp.getAudioInputStream(frmt, ais);
+                throw new RuntimeException("Format: " + frmt);
+            } catch (final IllegalArgumentException ignored) {
+            }
+        }
+    }
+
+    private static AudioInputStream getStream(final AudioFormat.Encoding enc,
+                                              final Boolean end,
+                                              final int sampleSize) {
+        final AudioFormat ftmt
+                = new AudioFormat(enc, 8000, sampleSize, 1, 1, 8000, end);
+        final byte[] fakedata = new byte[100];
+        final InputStream in = new ByteArrayInputStream(fakedata);
+        return new AudioInputStream(in, ftmt, fakedata.length);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/spi/FormatConversionProvider/GetTargetIsSupported.java	Tue Jan 12 23:27:23 2016 +0300
@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2015, 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 java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioFormat.Encoding;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.spi.FormatConversionProvider;
+
+import static java.util.ServiceLoader.load;
+
+/**
+ * @test
+ * @bug 8146144
+ */
+public final class GetTargetIsSupported {
+
+    /**
+     * We will try to use all formats, in this case all our providers will be
+     * covered by supported/unsupported formats.
+     */
+    private static final List<AudioFormat> formats = new ArrayList<>(23000);
+
+    private static final Encoding[] encodings = {
+            Encoding.ALAW, Encoding.ULAW, Encoding.PCM_SIGNED,
+            Encoding.PCM_UNSIGNED, Encoding.PCM_FLOAT, new Encoding("Test")
+    };
+
+    private static final int[] sampleRates = {
+            AudioSystem.NOT_SPECIFIED, 8000, 11025, 16000, 22050, 32000, 37800,
+            44056, 44100, 47250, 48000, 50000, 50400, 88200, 96000, 176400,
+            192000, 352800, 2822400, 5644800
+    };
+
+    private static final int[] sampleBits = {
+            AudioSystem.NOT_SPECIFIED, 4, 8, 11, 16, 20, 24, 32, 48, 64, 128
+    };
+
+    private static final int[] channels = {
+            AudioSystem.NOT_SPECIFIED, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
+    };
+
+    static {
+        for (final Boolean end : new boolean[]{false, true}) {
+            for (final int sampleSize : sampleBits) {
+                for (final int sampleRate : sampleRates) {
+                    for (final int channel : channels) {
+                        for (final Encoding enc : encodings) {
+                            formats.add(new AudioFormat(enc, sampleRate,
+                                                        sampleSize, channel,
+                                                        1, sampleRate, end));
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    public static void main(final String[] args) {
+        for (final AudioFormat format : formats) {
+            testAS(format);
+            for (final FormatConversionProvider fcp : load
+                    (FormatConversionProvider.class)) {
+                testFCP(fcp, format);
+            }
+        }
+    }
+
+    /**
+     * Tests the part of AudioSystem API, which implemented via
+     * FormatConversionProvider.
+     *
+     * @see AudioSystem#getTargetEncodings(Encoding)
+     * @see AudioSystem#getTargetEncodings(AudioFormat)
+     * @see AudioSystem#getTargetFormats(Encoding, AudioFormat)
+     * @see AudioSystem#isConversionSupported(AudioFormat, AudioFormat)
+     * @see AudioSystem#isConversionSupported(Encoding, AudioFormat)
+     */
+    private static void testAS(final AudioFormat source) {
+        Encoding[] all = AudioSystem.getTargetEncodings(source.getEncoding());
+        Encoding[] part = AudioSystem.getTargetEncodings(source);
+
+        // Check encodings which are reported as supported
+        for (final Encoding enc : part) {
+            // If encoding is reported for the source format means that
+            // the list of target formats should not be empty
+            AudioFormat[] targets = AudioSystem.getTargetFormats(enc, source);
+            // all reported formats should be supported
+            for (final AudioFormat target : targets) {
+                if (!AudioSystem.isConversionSupported(target, source)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (!enc.equals(target.getEncoding())) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+            // If encoding is reported for the source format means that
+            // conversion source -> encoding is supported
+            if (!AudioSystem.isConversionSupported(enc, source)) {
+                throw new RuntimeException("Error:" + enc);
+            }
+            // encoding for a particular source should be included in the
+            // list of all encodings for the source's encoding
+            if (!Arrays.asList(all).contains(enc)) {
+                throw new RuntimeException("Error:" + enc);
+            }
+            // If conversion source -> encoding is supported then an
+            // array of target formats should not be empty
+            if (source.getEncoding().equals(enc)) {
+                // this is unspecified but we works this way
+                if (!isContains(source, targets)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            } else {
+                if (targets.length == 0) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+        }
+
+        // Check all encodings
+        for (final Encoding enc : encodings) {
+            AudioFormat[] targets = AudioSystem.getTargetFormats(enc, source);
+            // If target format is reported for the source format means that
+            // conversion source -> target is supported
+            for (final AudioFormat target : targets) {
+                if (!AudioSystem.isConversionSupported(target, source)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (!enc.equals(target.getEncoding())) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+            if (AudioSystem.isConversionSupported(enc, source)) {
+                // encoding for a particular source should be included in the
+                // list of all encodings for the source's encoding
+                if (!Arrays.asList(all).contains(enc)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (!Arrays.asList(part).contains(enc)) {
+                    System.out.println("enc = " + enc);
+                    System.out.println("part = " + Arrays.toString(part));
+                    System.out.println("source = " + source);
+                    throw new RuntimeException("Error:" + enc);
+                }
+                // If conversion source -> encoding is supported then an
+                // array of target formats should not be empty
+                if (source.getEncoding().equals(enc)) {
+                    // this is unspecified but we works this way
+                    if (!isContains(source, targets)) {
+                        throw new RuntimeException("Error:" + enc);
+                    }
+                } else {
+                    if (targets.length == 0) {
+                        throw new RuntimeException("Error:" + enc);
+                    }
+                }
+            } else {
+                // If conversion source -> encoding is not supported then an
+                // array of target formats should be empty
+                if (targets.length != 0) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (Arrays.asList(part).contains(enc)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+        }
+    }
+
+    /**
+     * Tests the FormatConversionProvider API directly.
+     *
+     * @see FormatConversionProvider#getTargetEncodings()
+     * @see FormatConversionProvider#getTargetEncodings(AudioFormat)
+     * @see FormatConversionProvider#getTargetFormats(Encoding, AudioFormat)
+     * @see FormatConversionProvider#isTargetEncodingSupported(Encoding)
+     * @see FormatConversionProvider#isConversionSupported(Encoding,
+     * AudioFormat)
+     * @see FormatConversionProvider#isConversionSupported(AudioFormat,
+     * AudioFormat)
+     */
+    private static void testFCP(final FormatConversionProvider fcp,
+                                final AudioFormat source) {
+        final Encoding[] all = fcp.getTargetEncodings();
+        for (final Encoding enc : all) {
+            if (!fcp.isTargetEncodingSupported(enc)) {
+                throw new RuntimeException("Error:" + enc);
+            }
+        }
+
+        // Check encodings which are reported as supported
+        final Encoding[] part = fcp.getTargetEncodings(source);
+        for (final Encoding enc : part) {
+            // If encoding is reported for the source format means that
+            // the list of target formats should not be empty for this encoding
+            AudioFormat[] targets = fcp.getTargetFormats(enc, source);
+            // all reported formats should be supported
+            for (final AudioFormat target : targets) {
+                if (!fcp.isConversionSupported(target, source)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (!enc.equals(target.getEncoding())) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+            // If encoding is reported for the source format means that
+            // conversion source -> encoding is supported
+            if (!fcp.isConversionSupported(enc, source)) {
+                throw new RuntimeException("Error:" + enc);
+            }
+            // If conversion source -> encoding is supported then an
+            // array of target formats should not be empty
+            if (targets.length == 0) {
+                throw new RuntimeException("Error:" + enc);
+            }
+            // encoding for a particular source should be included in the
+            // list of all encodings for the source's encoding
+            if (!Arrays.asList(all).contains(enc)) {
+                throw new RuntimeException("Error:" + enc);
+            }
+        }
+        // Check all encodings
+        for (final Encoding enc : encodings) {
+            AudioFormat[] targets = fcp.getTargetFormats(enc, source);
+            // If target format is reported for the source format means that
+            // conversion source -> target is supported
+            for (final AudioFormat target : targets) {
+                if (!fcp.isConversionSupported(target, source)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (!enc.equals(target.getEncoding())) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+            if (fcp.isConversionSupported(enc, source)) {
+                // If conversion source -> encoding is supported then an
+                // array of target formats should not be empty
+                if (targets.length == 0) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                // encoding for a particular source should be included in the
+                // list of all encodings for the source's encoding
+                if (!Arrays.asList(all).contains(enc)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (!Arrays.asList(part).contains(enc)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            } else {
+                // If conversion source -> encoding is not supported then an
+                // array of target formats should be empty
+                if (targets.length != 0) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+                if (Arrays.asList(part).contains(enc)) {
+                    throw new RuntimeException("Error:" + enc);
+                }
+            }
+        }
+    }
+
+    private static boolean isContains(AudioFormat obj, AudioFormat[] array) {
+        for (final AudioFormat format : array) {
+            if (obj.matches(format)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}