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src/java.desktop/share/classes/com/sun/media/sound/WaveFloatFileReader.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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. Oracle designates this
@@ -20,48 +20,32 @@
*
* 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 final class WaveFloatFileReader extends SunFileReader {
- 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)
+ @Override
+ AudioFileFormat getAudioFileFormatImpl(final InputStream stream)
throws UnsupportedAudioFileException, IOException {
RIFFReader riffiterator = new RIFFReader(stream);
if (!riffiterator.getFormat().equals("RIFF"))
throw new UnsupportedAudioFileException();
@@ -94,74 +78,34 @@
if (chunk.getFormat().equals("data")) {
data_found = true;
break;
}
}
-
- if (!fmt_found)
+ if (!fmt_found || !data_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,
+ return new AudioFileFormat(AudioFileFormat.Type.WAVE, audioformat,
AudioSystem.NOT_SPECIFIED);
- return fileformat;
}
- public AudioInputStream getAudioInputStream(InputStream stream)
+ @Override
+ public AudioInputStream getAudioInputStream(final InputStream stream)
throws UnsupportedAudioFileException, IOException {
AudioFileFormat format = getAudioFileFormat(stream);
+ // we've got everything, the stream is supported and it is at the
+ // beginning of the header, so find the data chunk again and return an
+ // AudioInputStream
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)));
- }
}
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