/* * Copyright (c) 2007, 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 java.io.ByteArrayInputStream;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.net.URL; import javax.sound.sampled.AudioFormat;import javax.sound.sampled.AudioInputStream;import javax.sound.sampled.AudioSystem;import javax.sound.sampled.UnsupportedAudioFileException; /** * This class is used to create AudioFloatInputStream from AudioInputStream and * byte buffers. * * @author Karl Helgason */public abstract class AudioFloatInputStream { private static class BytaArrayAudioFloatInputStream extends AudioFloatInputStream { private int pos = 0; private int markpos = 0; private AudioFloatConverter converter; private AudioFormat format; private byte[] buffer; private int buffer_offset; private int buffer_len; private int framesize_pc; public BytaArrayAudioFloatInputStream(AudioFloatConverter converter, byte[] buffer, int offset, int len) { this.converter = converter; this.format = converter.getFormat(); this.buffer = buffer; this.buffer_offset = offset; framesize_pc = format.getFrameSize() / format.getChannels(); this.buffer_len = len / framesize_pc; } public AudioFormat getFormat() { return format; } public long getFrameLength() { return buffer_len;// / format.getFrameSize(); } public int read(float[] b, int off, int len) throws IOException { if (b == null) throw new NullPointerException(); if (off < 0 || len < 0 || len > b.length - off) throw new IndexOutOfBoundsException(); if (pos >= buffer_len) return -1; if (len == 0) return 0; if (pos + len > buffer_len) len = buffer_len - pos; converter.toFloatArray(buffer, buffer_offset + pos * framesize_pc, b, off, len); pos += len; return len; } public long skip(long len) throws IOException { if (pos >= buffer_len) return -1; if (len <= 0) return 0; if (pos + len > buffer_len) len = buffer_len - pos; pos += len; return len; } public int available() throws IOException { return buffer_len - pos; } public void close() throws IOException { } public void mark(int readlimit) { markpos = pos; } public boolean markSupported() { return true; } public void reset() throws IOException { pos = markpos; } } private static class DirectAudioFloatInputStream extends AudioFloatInputStream { private AudioInputStream stream; private AudioFloatConverter converter; private int framesize_pc; // framesize / channels private byte[] buffer; public DirectAudioFloatInputStream(AudioInputStream stream) { converter = AudioFloatConverter.getConverter(stream.getFormat()); if (converter == null) { AudioFormat format = stream.getFormat(); AudioFormat newformat; AudioFormat[] formats = AudioSystem.getTargetFormats( AudioFormat.Encoding.PCM_SIGNED, format); if (formats.length != 0) { newformat = formats[0]; } else { float samplerate = format.getSampleRate(); int samplesizeinbits = format.getSampleSizeInBits(); int framesize = format.getFrameSize(); float framerate = format.getFrameRate(); samplesizeinbits = 16; framesize = format.getChannels() * (samplesizeinbits / 8); framerate = samplerate; newformat = new AudioFormat( AudioFormat.Encoding.PCM_SIGNED, samplerate, samplesizeinbits, format.getChannels(), framesize, framerate, false); } stream = AudioSystem.getAudioInputStream(newformat, stream); converter = AudioFloatConverter.getConverter(stream.getFormat()); } framesize_pc = stream.getFormat().getFrameSize() / stream.getFormat().getChannels(); this.stream = stream; } public AudioFormat getFormat() { return stream.getFormat(); } public long getFrameLength() { return stream.getFrameLength(); } public int read(float[] b, int off, int len) throws IOException { int b_len = len * framesize_pc; if (buffer == null || buffer.length < b_len) buffer = new byte[b_len]; int ret = stream.read(buffer, 0, b_len); if (ret == -1) return -1; converter.toFloatArray(buffer, b, off, ret / framesize_pc); return ret / framesize_pc; } public long skip(long len) throws IOException { long b_len = len * framesize_pc; long ret = stream.skip(b_len); if (ret == -1) return -1; return ret / framesize_pc; } public int available() throws IOException { return stream.available() / framesize_pc; } public void close() throws IOException { stream.close(); } public void mark(int readlimit) { stream.mark(readlimit * framesize_pc); } public boolean markSupported() { return stream.markSupported(); } public void reset() throws IOException { stream.reset(); } } public static AudioFloatInputStream getInputStream(URL url) throws UnsupportedAudioFileException, IOException { return new DirectAudioFloatInputStream(AudioSystem .getAudioInputStream(url)); } public static AudioFloatInputStream getInputStream(File file) throws UnsupportedAudioFileException, IOException { return new DirectAudioFloatInputStream(AudioSystem .getAudioInputStream(file)); } public static AudioFloatInputStream getInputStream(InputStream stream) throws UnsupportedAudioFileException, IOException { return new DirectAudioFloatInputStream(AudioSystem .getAudioInputStream(stream)); } public static AudioFloatInputStream getInputStream( AudioInputStream stream) { return new DirectAudioFloatInputStream(stream); } public static AudioFloatInputStream getInputStream(AudioFormat format, byte[] buffer, int offset, int len) { AudioFloatConverter converter = AudioFloatConverter .getConverter(format); if (converter != null) return new BytaArrayAudioFloatInputStream(converter, buffer, offset, len); InputStream stream = new ByteArrayInputStream(buffer, offset, len); long aLen = format.getFrameSize() == AudioSystem.NOT_SPECIFIED ? AudioSystem.NOT_SPECIFIED : len / format.getFrameSize(); AudioInputStream astream = new AudioInputStream(stream, format, aLen); return getInputStream(astream); } public abstract AudioFormat getFormat(); public abstract long getFrameLength(); public abstract int read(float[] b, int off, int len) throws IOException; public int read(float[] b) throws IOException { return read(b, 0, b.length); } public float read() throws IOException { float[] b = new float[1]; int ret = read(b, 0, 1); if (ret == -1 || ret == 0) return 0; return b[0]; } public abstract long skip(long len) throws IOException; public abstract int available() throws IOException; public abstract void close() throws IOException; public abstract void mark(int readlimit); public abstract boolean markSupported(); public abstract void reset() throws IOException;}
/*
* Copyright (c) 2007, 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 java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
/**
* This class is used to create AudioFloatInputStream from AudioInputStream and
* byte buffers.
*
* @author Karl Helgason
*/
public abstract class AudioFloatInputStream {
private static class BytaArrayAudioFloatInputStream
extends AudioFloatInputStream {
private int pos = 0;
private int markpos = 0;
private AudioFloatConverter converter;
private AudioFormat format;
private byte[] buffer;
private int buffer_offset;
private int buffer_len;
private int framesize_pc;
public BytaArrayAudioFloatInputStream(AudioFloatConverter converter,
byte[] buffer, int offset, int len) {
this.converter = converter;
this.format = converter.getFormat();
this.buffer = buffer;
this.buffer_offset = offset;
framesize_pc = format.getFrameSize() / format.getChannels();
this.buffer_len = len / framesize_pc;
}
public AudioFormat getFormat() {
return format;
}
public long getFrameLength() {
return buffer_len;// / format.getFrameSize();
}
public int read(float[] b, int off, int len) throws IOException {
if (b == null)
throw new NullPointerException();
if (off < 0 || len < 0 || len > b.length - off)
throw new IndexOutOfBoundsException();
if (pos >= buffer_len)
return -1;
if (len == 0)
return 0;
if (pos + len > buffer_len)
len = buffer_len - pos;
converter.toFloatArray(buffer, buffer_offset + pos * framesize_pc,
b, off, len);
pos += len;
return len;
}
public long skip(long len) throws IOException {
if (pos >= buffer_len)
return -1;
if (len <= 0)
return 0;
if (pos + len > buffer_len)
len = buffer_len - pos;
pos += len;
return len;
}
public int available() throws IOException {
return buffer_len - pos;
}
public void close() throws IOException {
}
public void mark(int readlimit) {
markpos = pos;
}
public boolean markSupported() {
return true;
}
public void reset() throws IOException {
pos = markpos;
}
}
private static class DirectAudioFloatInputStream
extends AudioFloatInputStream {
private AudioInputStream stream;
private AudioFloatConverter converter;
private int framesize_pc; // framesize / channels
private byte[] buffer;
public DirectAudioFloatInputStream(AudioInputStream stream) {
converter = AudioFloatConverter.getConverter(stream.getFormat());
if (converter == null) {
AudioFormat format = stream.getFormat();
AudioFormat newformat;
AudioFormat[] formats = AudioSystem.getTargetFormats(
AudioFormat.Encoding.PCM_SIGNED, format);
if (formats.length != 0) {
newformat = formats[0];
} else {
float samplerate = format.getSampleRate();
int samplesizeinbits = format.getSampleSizeInBits();
int framesize = format.getFrameSize();
float framerate = format.getFrameRate();
samplesizeinbits = 16;
framesize = format.getChannels() * (samplesizeinbits / 8);
framerate = samplerate;
newformat = new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED, samplerate,
samplesizeinbits, format.getChannels(), framesize,
framerate, false);
}
stream = AudioSystem.getAudioInputStream(newformat, stream);
converter = AudioFloatConverter.getConverter(stream.getFormat());
}
framesize_pc = stream.getFormat().getFrameSize()
/ stream.getFormat().getChannels();
this.stream = stream;
}
public AudioFormat getFormat() {
return stream.getFormat();
}
public long getFrameLength() {
return stream.getFrameLength();
}
public int read(float[] b, int off, int len) throws IOException {
int b_len = len * framesize_pc;
if (buffer == null || buffer.length < b_len)
buffer = new byte[b_len];
int ret = stream.read(buffer, 0, b_len);
if (ret == -1)
return -1;
converter.toFloatArray(buffer, b, off, ret / framesize_pc);
return ret / framesize_pc;
}
public long skip(long len) throws IOException {
long b_len = len * framesize_pc;
long ret = stream.skip(b_len);
if (ret == -1)
return -1;
return ret / framesize_pc;
}
public int available() throws IOException {
return stream.available() / framesize_pc;
}
public void close() throws IOException {
stream.close();
}
public void mark(int readlimit) {
stream.mark(readlimit * framesize_pc);
}
public boolean markSupported() {
return stream.markSupported();
}
public void reset() throws IOException {
stream.reset();
}
}
public static AudioFloatInputStream getInputStream(URL url)
throws UnsupportedAudioFileException, IOException {
return new DirectAudioFloatInputStream(AudioSystem
.getAudioInputStream(url));
}
public static AudioFloatInputStream getInputStream(File file)
throws UnsupportedAudioFileException, IOException {
return new DirectAudioFloatInputStream(AudioSystem
.getAudioInputStream(file));
}
public static AudioFloatInputStream getInputStream(InputStream stream)
throws UnsupportedAudioFileException, IOException {
return new DirectAudioFloatInputStream(AudioSystem
.getAudioInputStream(stream));
}
public static AudioFloatInputStream getInputStream(
AudioInputStream stream) {
return new DirectAudioFloatInputStream(stream);
}
public static AudioFloatInputStream getInputStream(AudioFormat format,
byte[] buffer, int offset, int len) {
AudioFloatConverter converter = AudioFloatConverter
.getConverter(format);
if (converter != null)
return new BytaArrayAudioFloatInputStream(converter, buffer,
offset, len);
InputStream stream = new ByteArrayInputStream(buffer, offset, len);
long aLen = format.getFrameSize() == AudioSystem.NOT_SPECIFIED
? AudioSystem.NOT_SPECIFIED : len / format.getFrameSize();
AudioInputStream astream = new AudioInputStream(stream, format, aLen);
return getInputStream(astream);
}
public abstract AudioFormat getFormat();
public abstract long getFrameLength();
public abstract int read(float[] b, int off, int len) throws IOException;
public int read(float[] b) throws IOException {
return read(b, 0, b.length);
}
public float read() throws IOException {
float[] b = new float[1];
int ret = read(b, 0, 1);
if (ret == -1 || ret == 0)
return 0;
return b[0];
}
public abstract long skip(long len) throws IOException;
public abstract int available() throws IOException;
public abstract void close() throws IOException;
public abstract void mark(int readlimit);
public abstract boolean markSupported();
public abstract void reset() throws IOException;
}