--- a/jdk/src/java.desktop/share/classes/com/sun/media/sound/AudioFloatConverter.java Tue Apr 05 15:37:13 2016 +0530
+++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/AudioFloatConverter.java Tue Apr 05 17:30:23 2016 +0300
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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
@@ -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.nio.ByteBuffer;
@@ -319,8 +320,10 @@
float[] out_buff, int out_offset, int out_len) {
int ix = in_offset;
int ox = out_offset;
- for (int i = 0; i < out_len; i++)
- out_buff[ox++] = in_buff[ix++] * (1.0f / 127.0f);
+ for (int i = 0; i < out_len; i++) {
+ byte x = in_buff[ix++];
+ out_buff[ox++] = x > 0 ? x / 127.0f : x / 128.0f;
+ }
return out_buff;
}
@@ -328,8 +331,10 @@
byte[] out_buff, int out_offset) {
int ix = in_offset;
int ox = out_offset;
- for (int i = 0; i < in_len; i++)
- out_buff[ox++] = (byte) (in_buff[ix++] * 127.0f);
+ for (int i = 0; i < in_len; i++) {
+ final float x = in_buff[ix++];
+ out_buff[ox++] = (byte) (x > 0 ? x * 127 : x * 128);
+ }
return out_buff;
}
}
@@ -340,9 +345,10 @@
float[] out_buff, int out_offset, int out_len) {
int ix = in_offset;
int ox = out_offset;
- for (int i = 0; i < out_len; i++)
- out_buff[ox++] = ((in_buff[ix++] & 0xFF) - 127)
- * (1.0f / 127.0f);
+ for (int i = 0; i < out_len; i++) {
+ byte x = (byte) (in_buff[ix++] - 128);
+ out_buff[ox++] = x > 0 ? x / 127.0f : x / 128.0f;
+ }
return out_buff;
}
@@ -350,8 +356,10 @@
byte[] out_buff, int out_offset) {
int ix = in_offset;
int ox = out_offset;
- for (int i = 0; i < in_len; i++)
- out_buff[ox++] = (byte) (127 + in_buff[ix++] * 127.0f);
+ for (int i = 0; i < in_len; i++) {
+ float x = in_buff[ix++];
+ out_buff[ox++] = (byte) (128 + (x > 0 ? x * 127 : x * 128));
+ }
return out_buff;
}
}
@@ -369,10 +377,9 @@
int ix = in_offset;
int len = out_offset + out_len;
for (int ox = out_offset; ox < len; ox++) {
- out_buff[ox] = ((short) ((in_buff[ix++] & 0xFF) |
- (in_buff[ix++] << 8))) * (1.0f / 32767.0f);
+ short x = (short) (in_buff[ix++] & 0xFF | (in_buff[ix++] << 8));
+ out_buff[ox] = x > 0 ? x / 32767.0f : x / 32768.0f;
}
-
return out_buff;
}
@@ -381,7 +388,8 @@
int ox = out_offset;
int len = in_offset + in_len;
for (int ix = in_offset; ix < len; ix++) {
- int x = (int) (in_buff[ix] * 32767.0);
+ float f = in_buff[ix];
+ short x = (short) (f > 0 ? f * 32767 : f * 32768);
out_buff[ox++] = (byte) x;
out_buff[ox++] = (byte) (x >>> 8);
}
@@ -396,8 +404,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < out_len; i++) {
- out_buff[ox++] = ((short) ((in_buff[ix++] << 8) |
- (in_buff[ix++] & 0xFF))) * (1.0f / 32767.0f);
+ short x = (short) ((in_buff[ix++] << 8) | (in_buff[ix++] & 0xFF));
+ out_buff[ox++] = x > 0 ? x / 32767.0f : x / 32768.0f;
}
return out_buff;
}
@@ -407,7 +415,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = (int) (in_buff[ix++] * 32767.0);
+ float f = in_buff[ix++];
+ short x = (short) (f > 0 ? f * 32767.0f : f * 32768.0f);
out_buff[ox++] = (byte) (x >>> 8);
out_buff[ox++] = (byte) x;
}
@@ -423,7 +432,8 @@
int ox = out_offset;
for (int i = 0; i < out_len; i++) {
int x = (in_buff[ix++] & 0xFF) | ((in_buff[ix++] & 0xFF) << 8);
- out_buff[ox++] = (x - 32767) * (1.0f / 32767.0f);
+ x -= 32768;
+ out_buff[ox++] = x > 0 ? x / 32767.0f : x / 32768.0f;
}
return out_buff;
}
@@ -433,7 +443,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = 32767 + (int) (in_buff[ix++] * 32767.0);
+ float f = in_buff[ix++];
+ int x = 32768 + (int) (f > 0 ? f * 32767 : f * 32768);
out_buff[ox++] = (byte) x;
out_buff[ox++] = (byte) (x >>> 8);
}
@@ -449,7 +460,8 @@
int ox = out_offset;
for (int i = 0; i < out_len; i++) {
int x = ((in_buff[ix++] & 0xFF) << 8) | (in_buff[ix++] & 0xFF);
- out_buff[ox++] = (x - 32767) * (1.0f / 32767.0f);
+ x -= 32768;
+ out_buff[ox++] = x > 0 ? x / 32767.0f : x / 32768.0f;
}
return out_buff;
}
@@ -459,7 +471,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = 32767 + (int) (in_buff[ix++] * 32767.0);
+ float f = in_buff[ix++];
+ int x = 32768 + (int) (f > 0 ? f * 32767 : f * 32768);
out_buff[ox++] = (byte) (x >>> 8);
out_buff[ox++] = (byte) x;
}
@@ -484,7 +497,7 @@
| ((in_buff[ix++] & 0xFF) << 16);
if (x > 0x7FFFFF)
x -= 0x1000000;
- out_buff[ox++] = x * (1.0f / (float)0x7FFFFF);
+ out_buff[ox++] = x > 0 ? x / 8388607.0f : x / 8388608.0f;
}
return out_buff;
}
@@ -494,7 +507,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = (int) (in_buff[ix++] * (float)0x7FFFFF);
+ float f = in_buff[ix++];
+ int x = (int) (f > 0 ? f * 8388607.0f : f * 8388608.0f);
if (x < 0)
x += 0x1000000;
out_buff[ox++] = (byte) x;
@@ -516,7 +530,7 @@
| ((in_buff[ix++] & 0xFF) << 8) | (in_buff[ix++] & 0xFF);
if (x > 0x7FFFFF)
x -= 0x1000000;
- out_buff[ox++] = x * (1.0f / (float)0x7FFFFF);
+ out_buff[ox++] = x > 0 ? x / 8388607.0f : x / 8388608.0f;
}
return out_buff;
}
@@ -526,7 +540,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = (int) (in_buff[ix++] * (float)0x7FFFFF);
+ float f = in_buff[ix++];
+ int x = (int) (f > 0 ? f * 8388607.0f : f * 8388608.0f);
if (x < 0)
x += 0x1000000;
out_buff[ox++] = (byte) (x >>> 16);
@@ -546,8 +561,8 @@
for (int i = 0; i < out_len; i++) {
int x = (in_buff[ix++] & 0xFF) | ((in_buff[ix++] & 0xFF) << 8)
| ((in_buff[ix++] & 0xFF) << 16);
- x -= 0x7FFFFF;
- out_buff[ox++] = x * (1.0f / (float)0x7FFFFF);
+ x -= 0x800000;
+ out_buff[ox++] = x > 0 ? x / 8388607.0f : x / 8388608.0f;
}
return out_buff;
}
@@ -557,8 +572,9 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = (int) (in_buff[ix++] * (float)0x7FFFFF);
- x += 0x7FFFFF;
+ float f = in_buff[ix++];
+ int x = (int) (f > 0 ? f * 8388607.0f : f * 8388608.0f);
+ x += 0x800000;
out_buff[ox++] = (byte) x;
out_buff[ox++] = (byte) (x >>> 8);
out_buff[ox++] = (byte) (x >>> 16);
@@ -576,8 +592,8 @@
for (int i = 0; i < out_len; i++) {
int x = ((in_buff[ix++] & 0xFF) << 16)
| ((in_buff[ix++] & 0xFF) << 8) | (in_buff[ix++] & 0xFF);
- x -= 0x7FFFFF;
- out_buff[ox++] = x * (1.0f / (float)0x7FFFFF);
+ x -= 0x800000;
+ out_buff[ox++] = x > 0 ? x / 8388607.0f : x / 8388608.0f;
}
return out_buff;
}
@@ -587,8 +603,9 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = (int) (in_buff[ix++] * (float)0x7FFFFF);
- x += 0x7FFFFF;
+ float f = in_buff[ix++];
+ int x = (int) (f > 0 ? f * 8388607.0f : f * 8388608.0f);
+ x += 8388608;
out_buff[ox++] = (byte) (x >>> 16);
out_buff[ox++] = (byte) (x >>> 8);
out_buff[ox++] = (byte) x;
@@ -673,7 +690,7 @@
int x = (in_buff[ix++] & 0xFF) | ((in_buff[ix++] & 0xFF) << 8) |
((in_buff[ix++] & 0xFF) << 16) |
((in_buff[ix++] & 0xFF) << 24);
- x -= 0x7FFFFFFF;
+ x -= 0x80000000;
out_buff[ox++] = x * (1.0f / (float)0x7FFFFFFF);
}
return out_buff;
@@ -685,7 +702,7 @@
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
int x = (int) (in_buff[ix++] * (float)0x7FFFFFFF);
- x += 0x7FFFFFFF;
+ x += 0x80000000;
out_buff[ox++] = (byte) x;
out_buff[ox++] = (byte) (x >>> 8);
out_buff[ox++] = (byte) (x >>> 16);
@@ -706,7 +723,7 @@
int x = ((in_buff[ix++] & 0xFF) << 24) |
((in_buff[ix++] & 0xFF) << 16) |
((in_buff[ix++] & 0xFF) << 8) | (in_buff[ix++] & 0xFF);
- x -= 0x7FFFFFFF;
+ x -= 0x80000000;
out_buff[ox++] = x * (1.0f / (float)0x7FFFFFFF);
}
return out_buff;
@@ -718,7 +735,7 @@
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
int x = (int) (in_buff[ix++] * (float)0x7FFFFFFF);
- x += 0x7FFFFFFF;
+ x += 0x80000000;
out_buff[ox++] = (byte) (x >>> 24);
out_buff[ox++] = (byte) (x >>> 16);
out_buff[ox++] = (byte) (x >>> 8);
@@ -737,7 +754,7 @@
// PCM 32+ bit, signed, little-endian
private static class AudioFloatConversion32xSL extends AudioFloatConverter {
- final int xbytes;
+ private final int xbytes;
AudioFloatConversion32xSL(int xbytes) {
this.xbytes = xbytes;
@@ -778,7 +795,7 @@
// PCM 32+ bit, signed, big-endian
private static class AudioFloatConversion32xSB extends AudioFloatConverter {
- final int xbytes;
+ private final int xbytes;
AudioFloatConversion32xSB(int xbytes) {
this.xbytes = xbytes;
@@ -820,7 +837,7 @@
// PCM 32+ bit, unsigned, little-endian
private static class AudioFloatConversion32xUL extends AudioFloatConverter {
- final int xbytes;
+ private final int xbytes;
AudioFloatConversion32xUL(int xbytes) {
this.xbytes = xbytes;
@@ -835,7 +852,7 @@
int x = (in_buff[ix++] & 0xFF) | ((in_buff[ix++] & 0xFF) << 8)
| ((in_buff[ix++] & 0xFF) << 16)
| ((in_buff[ix++] & 0xFF) << 24);
- x -= 0x7FFFFFFF;
+ x -= 0x80000000;
out_buff[ox++] = x * (1.0f / (float)0x7FFFFFFF);
}
return out_buff;
@@ -847,7 +864,7 @@
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
int x = (int) (in_buff[ix++] * (float)0x7FFFFFFF);
- x += 0x7FFFFFFF;
+ x += 0x80000000;
for (int j = 0; j < xbytes; j++) {
out_buff[ox++] = 0;
}
@@ -863,7 +880,7 @@
// PCM 32+ bit, unsigned, big-endian
private static class AudioFloatConversion32xUB extends AudioFloatConverter {
- final int xbytes;
+ private final int xbytes;
AudioFloatConversion32xUB(int xbytes) {
this.xbytes = xbytes;
@@ -878,7 +895,7 @@
((in_buff[ix++] & 0xFF) << 16) |
((in_buff[ix++] & 0xFF) << 8) | (in_buff[ix++] & 0xFF);
ix += xbytes;
- x -= 2147483647;
+ x -= 0x80000000;
out_buff[ox++] = x * (1.0f / 2147483647.0f);
}
return out_buff;
@@ -889,8 +906,8 @@
int ix = in_offset;
int ox = out_offset;
for (int i = 0; i < in_len; i++) {
- int x = (int) (in_buff[ix++] * 2147483647.0);
- x += 2147483647;
+ int x = (int) (in_buff[ix++] * 2147483647.0f);
+ x += 0x80000000;
out_buff[ox++] = (byte) (x >>> 24);
out_buff[ox++] = (byte) (x >>> 16);
out_buff[ox++] = (byte) (x >>> 8);