feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
171
jdkSrc/jdk8/com/sun/media/sound/WaveFloatFileReader.java
Normal file
171
jdkSrc/jdk8/com/sun/media/sound/WaveFloatFileReader.java
Normal file
@@ -0,0 +1,171 @@
|
||||
/*
|
||||
* Copyright (c) 2007, 2013, 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.BufferedInputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.net.URL;
|
||||
|
||||
import javax.sound.sampled.AudioFileFormat;
|
||||
import javax.sound.sampled.AudioFormat;
|
||||
import javax.sound.sampled.AudioFormat.Encoding;
|
||||
import javax.sound.sampled.AudioInputStream;
|
||||
import javax.sound.sampled.AudioSystem;
|
||||
import javax.sound.sampled.UnsupportedAudioFileException;
|
||||
import javax.sound.sampled.spi.AudioFileReader;
|
||||
|
||||
/**
|
||||
* Floating-point encoded (format 3) WAVE file loader.
|
||||
*
|
||||
* @author Karl Helgason
|
||||
*/
|
||||
public final class WaveFloatFileReader extends AudioFileReader {
|
||||
|
||||
public AudioFileFormat getAudioFileFormat(InputStream stream)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
|
||||
stream.mark(200);
|
||||
AudioFileFormat format;
|
||||
try {
|
||||
format = internal_getAudioFileFormat(stream);
|
||||
} finally {
|
||||
stream.reset();
|
||||
}
|
||||
return format;
|
||||
}
|
||||
|
||||
private AudioFileFormat internal_getAudioFileFormat(InputStream stream)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
|
||||
RIFFReader riffiterator = new RIFFReader(stream);
|
||||
if (!riffiterator.getFormat().equals("RIFF"))
|
||||
throw new UnsupportedAudioFileException();
|
||||
if (!riffiterator.getType().equals("WAVE"))
|
||||
throw new UnsupportedAudioFileException();
|
||||
|
||||
boolean fmt_found = false;
|
||||
boolean data_found = false;
|
||||
|
||||
int channels = 1;
|
||||
long samplerate = 1;
|
||||
int framesize = 1;
|
||||
int bits = 1;
|
||||
|
||||
while (riffiterator.hasNextChunk()) {
|
||||
RIFFReader chunk = riffiterator.nextChunk();
|
||||
|
||||
if (chunk.getFormat().equals("fmt ")) {
|
||||
fmt_found = true;
|
||||
|
||||
int format = chunk.readUnsignedShort();
|
||||
if (format != 3) // WAVE_FORMAT_IEEE_FLOAT only
|
||||
throw new UnsupportedAudioFileException();
|
||||
channels = chunk.readUnsignedShort();
|
||||
samplerate = chunk.readUnsignedInt();
|
||||
/* framerate = */chunk.readUnsignedInt();
|
||||
framesize = chunk.readUnsignedShort();
|
||||
if (framesize == 0) {
|
||||
throw new UnsupportedAudioFileException(
|
||||
"Can not process audio format with 0 frame size");
|
||||
}
|
||||
bits = chunk.readUnsignedShort();
|
||||
}
|
||||
if (chunk.getFormat().equals("data")) {
|
||||
data_found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!fmt_found)
|
||||
throw new UnsupportedAudioFileException();
|
||||
if (!data_found)
|
||||
throw new UnsupportedAudioFileException();
|
||||
|
||||
AudioFormat audioformat = new AudioFormat(
|
||||
Encoding.PCM_FLOAT, samplerate, bits, channels,
|
||||
framesize, samplerate, false);
|
||||
AudioFileFormat fileformat = new AudioFileFormat(
|
||||
AudioFileFormat.Type.WAVE, audioformat,
|
||||
AudioSystem.NOT_SPECIFIED);
|
||||
return fileformat;
|
||||
}
|
||||
|
||||
public AudioInputStream getAudioInputStream(InputStream stream)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
|
||||
AudioFileFormat format = getAudioFileFormat(stream);
|
||||
RIFFReader riffiterator = new RIFFReader(stream);
|
||||
if (!riffiterator.getFormat().equals("RIFF"))
|
||||
throw new UnsupportedAudioFileException();
|
||||
if (!riffiterator.getType().equals("WAVE"))
|
||||
throw new UnsupportedAudioFileException();
|
||||
while (riffiterator.hasNextChunk()) {
|
||||
RIFFReader chunk = riffiterator.nextChunk();
|
||||
if (chunk.getFormat().equals("data")) {
|
||||
return new AudioInputStream(chunk, format.getFormat(),
|
||||
chunk.getSize());
|
||||
}
|
||||
}
|
||||
throw new UnsupportedAudioFileException();
|
||||
}
|
||||
|
||||
public AudioFileFormat getAudioFileFormat(URL url)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
InputStream stream = url.openStream();
|
||||
AudioFileFormat format;
|
||||
try {
|
||||
format = getAudioFileFormat(new BufferedInputStream(stream));
|
||||
} finally {
|
||||
stream.close();
|
||||
}
|
||||
return format;
|
||||
}
|
||||
|
||||
public AudioFileFormat getAudioFileFormat(File file)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
InputStream stream = new FileInputStream(file);
|
||||
AudioFileFormat format;
|
||||
try {
|
||||
format = getAudioFileFormat(new BufferedInputStream(stream));
|
||||
} finally {
|
||||
stream.close();
|
||||
}
|
||||
return format;
|
||||
}
|
||||
|
||||
public AudioInputStream getAudioInputStream(URL url)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
return getAudioInputStream(new BufferedInputStream(url.openStream()));
|
||||
}
|
||||
|
||||
public AudioInputStream getAudioInputStream(File file)
|
||||
throws UnsupportedAudioFileException, IOException {
|
||||
return getAudioInputStream(new BufferedInputStream(new FileInputStream(
|
||||
file)));
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user