feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/com/sun/media/sound/Toolkit.java

@@ -0,0 +1,238 @@
+/*
+ * Copyright (c) 1999, 2020, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package com.sun.media.sound;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+
+/**
+ * Common conversions etc.
+ *
+ * @author Kara Kytle
+ * @author Florian Bomers
+ */
+public final class Toolkit {
+
+    /**
+     * Suppresses default constructor, ensuring non-instantiability.
+     */
+    private Toolkit() {
+    }
+
+    /**
+     * Converts bytes from signed to unsigned.
+     */
+    static void getUnsigned8(byte[] b, int off, int len) {
+        for (int i = off; i < (off+len); i++) {
+            b[i] += 128;
+        }
+    }
+
+
+    /**
+     * Swaps bytes.
+     * @throws ArrayOutOfBoundsException if len is not a multiple of 2.
+     */
+    static void getByteSwapped(byte[] b, int off, int len) {
+
+        byte tempByte;
+        for (int i = off; i < (off+len); i+=2) {
+
+            tempByte = b[i];
+            b[i] = b[i+1];
+            b[i+1] = tempByte;
+        }
+    }
+
+
+    /**
+     * Linear to DB scale conversion.
+     */
+    static float linearToDB(float linear) {
+
+        float dB = (float) (Math.log((double)((linear==0.0)?0.0001:linear))/Math.log(10.0) * 20.0);
+        return dB;
+    }
+
+
+    /**
+     * DB to linear scale conversion.
+     */
+    static float dBToLinear(float dB) {
+
+        float linear = (float) Math.pow(10.0, dB/20.0);
+        return linear;
+    }
+
+    /*
+     * returns bytes aligned to a multiple of blocksize
+     * the return value will be in the range of (bytes-blocksize+1) ... bytes
+     */
+    static long align(long bytes, int blockSize) {
+        // prevent null pointers
+        if (blockSize <= 1) {
+            return bytes;
+        }
+        return bytes - (bytes % blockSize);
+    }
+
+    static int align(int bytes, int blockSize) {
+        // prevent null pointers
+        if (blockSize <= 1) {
+            return bytes;
+        }
+        return bytes - (bytes % blockSize);
+    }
+
+
+    /*
+     * gets the number of bytes needed to play the specified number of milliseconds
+     */
+    static long millis2bytes(AudioFormat format, long millis) {
+        long result = (long) (millis * format.getFrameRate() / 1000.0f * format.getFrameSize());
+        return align(result, format.getFrameSize());
+    }
+
+    /*
+     * gets the time in milliseconds for the given number of bytes
+     */
+    static long bytes2millis(AudioFormat format, long bytes) {
+        return (long) (bytes / format.getFrameRate() * 1000.0f / format.getFrameSize());
+    }
+
+    /*
+     * gets the number of bytes needed to play the specified number of microseconds
+     */
+    static long micros2bytes(AudioFormat format, long micros) {
+        long result = (long) (micros * format.getFrameRate() / 1000000.0f * format.getFrameSize());
+        return align(result, format.getFrameSize());
+    }
+
+    /*
+     * gets the time in microseconds for the given number of bytes
+     */
+    static long bytes2micros(AudioFormat format, long bytes) {
+        return (long) (bytes / format.getFrameRate() * 1000000.0f / format.getFrameSize());
+    }
+
+    /*
+     * gets the number of frames needed to play the specified number of microseconds
+     */
+    static long micros2frames(AudioFormat format, long micros) {
+        return (long) (micros * format.getFrameRate() / 1000000.0f);
+    }
+
+    /*
+     * gets the time in microseconds for the given number of frames
+     */
+    static long frames2micros(AudioFormat format, long frames) {
+        return (long) (((double) frames) / format.getFrameRate() * 1000000.0d);
+    }
+
+    static void isFullySpecifiedAudioFormat(AudioFormat format) {
+        // Our code requires a positive frame size, that's probably is not
+        // necessary for non-linear encodings, but for now
+        // IllegalArgumentException is better than ArithmeticException
+        if (format.getFrameSize() <= 0) {
+            throw new IllegalArgumentException("invalid frame size: "
+                                               +((format.getFrameSize() == -1) ?
+                    "NOT_SPECIFIED":String.valueOf(format.getFrameSize())));
+        }
+        if (!format.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED)
+            && !format.getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED)
+            && !format.getEncoding().equals(AudioFormat.Encoding.ULAW)
+            && !format.getEncoding().equals(AudioFormat.Encoding.ALAW)) {
+            // we don't know how to verify possibly non-linear encodings
+            return;
+        }
+        if (format.getFrameRate() <= 0) {
+            throw new IllegalArgumentException("invalid frame rate: "
+                                               +((format.getFrameRate()==-1)?
+                                                 "NOT_SPECIFIED":String.valueOf(format.getFrameRate())));
+        }
+        if (format.getSampleRate() <= 0) {
+            throw new IllegalArgumentException("invalid sample rate: "
+                                               +((format.getSampleRate()==-1)?
+                                                 "NOT_SPECIFIED":String.valueOf(format.getSampleRate())));
+        }
+        if (format.getSampleSizeInBits() <= 0) {
+            throw new IllegalArgumentException("invalid sample size in bits: "
+                                               +((format.getSampleSizeInBits()==-1)?
+                                                 "NOT_SPECIFIED":String.valueOf(format.getSampleSizeInBits())));
+        }
+        if (format.getChannels() <= 0) {
+            throw new IllegalArgumentException("invalid number of channels: "
+                                               +((format.getChannels()==-1)?
+                                                 "NOT_SPECIFIED":String.valueOf(format.getChannels())));
+        }
+    }
+
+
+    static boolean isFullySpecifiedPCMFormat(AudioFormat format) {
+        if (!format.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED)
+            && !format.getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED)) {
+            return false;
+        }
+        if ((format.getFrameRate() <= 0)
+            || (format.getSampleRate() <= 0)
+            || (format.getSampleSizeInBits() <= 0)
+            || (format.getFrameSize() <= 0)
+            || (format.getChannels() <= 0)) {
+            return false;
+        }
+        return true;
+    }
+
+
+    public static AudioInputStream getPCMConvertedAudioInputStream(AudioInputStream ais) {
+        // we can't open the device for non-PCM playback, so we have
+        // convert any other encodings to PCM here (at least we try!)
+        AudioFormat af = ais.getFormat();
+
+        if( (!af.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED)) &&
+            (!af.getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED))) {
+
+            try {
+                AudioFormat newFormat =
+                    new AudioFormat( AudioFormat.Encoding.PCM_SIGNED,
+                                     af.getSampleRate(),
+                                     16,
+                                     af.getChannels(),
+                                     af.getChannels() * 2,
+                                     af.getSampleRate(),
+                                     Platform.isBigEndian());
+                ais = AudioSystem.getAudioInputStream(newFormat, ais);
+            } catch (Exception e) {
+                if (Printer.err) e.printStackTrace();
+                ais = null;
+            }
+        }
+
+        return ais;
+    }
+
+}