/*
* Copyright (c) 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* 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
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*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
import javax.sound.sampled.spi.AudioFileWriter;
import javax.sound.sampled.spi.FormatConversionProvider;
import static java.util.ServiceLoader.load;
import static javax.sound.sampled.AudioFileFormat.Type.AIFC;
import static javax.sound.sampled.AudioFileFormat.Type.AIFF;
import static javax.sound.sampled.AudioFileFormat.Type.AU;
import static javax.sound.sampled.AudioFileFormat.Type.SND;
import static javax.sound.sampled.AudioFileFormat.Type.WAVE;
import static javax.sound.sampled.AudioSystem.NOT_SPECIFIED;
/**
* @test
* @bug 8038139
*/
public final class FrameLengthAfterConversion {
/**
* We will try to use all formats, in this case all our providers will be
* covered by supported/unsupported formats.
*/
private static final List<AudioFormat> formats = new ArrayList<>(23000);
private static final AudioFormat.Encoding[] encodings = {
AudioFormat.Encoding.ALAW, AudioFormat.Encoding.ULAW,
AudioFormat.Encoding.PCM_SIGNED, AudioFormat.Encoding.PCM_UNSIGNED,
AudioFormat.Encoding.PCM_FLOAT, new AudioFormat.Encoding("Test")
};
private static final int[] sampleBits = {
1, 4, 8, 11, 16, 20, 24, 32
};
private static final int[] channels = {
1, 2, 3, 4, 5
};
private static final AudioFileFormat.Type[] types = {
WAVE, AU, AIFF, AIFC, SND,
new AudioFileFormat.Type("TestName", "TestExt")
};
private static final int FRAME_LENGTH = 10;
static {
for (final int sampleSize : sampleBits) {
for (final int channel : channels) {
for (final AudioFormat.Encoding enc : encodings) {
final int frameSize = ((sampleSize + 7) / 8) * channel;
formats.add(new AudioFormat(enc, 44100, sampleSize, channel,
frameSize, 44100, true));
formats.add(new AudioFormat(enc, 44100, sampleSize, channel,
frameSize, 44100, false));
}
}
}
}
public static void main(final String[] args) {
for (final FormatConversionProvider fcp : load(
FormatConversionProvider.class)) {
System.out.println("fcp = " + fcp);
for (final AudioFormat from : formats) {
for (final AudioFormat to : formats) {
testAfterConversion(fcp, to, getStream(from, true));
}
}
}
for (final AudioFileWriter afw : load(AudioFileWriter.class)) {
System.out.println("afw = " + afw);
for (final AudioFileFormat.Type type : types) {
for (final AudioFormat from : formats) {
testAfterSaveToStream(afw, type, getStream(from, true));
}
}
}
for (final AudioFileWriter afw : load(AudioFileWriter.class)) {
System.out.println("afw = " + afw);
for (final AudioFileFormat.Type type : types) {
for (final AudioFormat from : formats) {
testAfterSaveToFile(afw, type, getStream(from, true));
}
}
}
for (final AudioFileWriter afw : load(AudioFileWriter.class)) {
System.out.println("afw = " + afw);
for (final AudioFileFormat.Type type : types) {
for (final AudioFormat from : formats) {
testAfterSaveToFile(afw, type, getStream(from, false));
}
}
}
}
/**
* Verifies the frame length after the stream was saved/read to/from
* stream.
*/
private static void testAfterSaveToStream(final AudioFileWriter afw,
final AudioFileFormat.Type type,
final AudioInputStream ais) {
try {
final ByteArrayOutputStream out = new ByteArrayOutputStream();
afw.write(ais, type, out);
final InputStream input = new ByteArrayInputStream(
out.toByteArray());
validate(AudioSystem.getAudioInputStream(input).getFrameLength());
} catch (IllegalArgumentException | UnsupportedAudioFileException
| IOException ignored) {
}
}
/**
* Verifies the frame length after the stream was saved/read to/from file.
*/
private static void testAfterSaveToFile(final AudioFileWriter afw,
final AudioFileFormat.Type type,
AudioInputStream ais) {
try {
final File temp = File.createTempFile("sound", ".tmp");
temp.deleteOnExit();
afw.write(ais, type, temp);
ais = AudioSystem.getAudioInputStream(temp);
final long frameLength = ais.getFrameLength();
ais.close();
Files.delete(Paths.get(temp.getAbsolutePath()));
validate(frameLength);
} catch (IllegalArgumentException | UnsupportedAudioFileException
| IOException ignored) {
}
}
/**
* Verifies the frame length after the stream was converted to other
* stream.
*
* @see FormatConversionProvider#getAudioInputStream(AudioFormat,
* AudioInputStream)
*/
private static void testAfterConversion(final FormatConversionProvider fcp,
final AudioFormat to,
final AudioInputStream ais) {
if (fcp.isConversionSupported(to, ais.getFormat())) {
validate(fcp.getAudioInputStream(to, ais).getFrameLength());
}
}
/**
* Throws an exception if the frameLength is specified and is not equal to
* the gold value.
*/
private static void validate(final long frameLength) {
if (frameLength != FRAME_LENGTH) {
System.err.println("Expected: " + FRAME_LENGTH);
System.err.println("Actual: " + frameLength);
throw new RuntimeException();
}
}
private static AudioInputStream getStream(final AudioFormat format,
final boolean frameLength) {
final int dataSize = FRAME_LENGTH * format.getFrameSize();
final InputStream in = new ByteArrayInputStream(new byte[dataSize]);
if (frameLength) {
return new AudioInputStream(in, format, FRAME_LENGTH);
} else {
return new AudioInputStream(in, format, NOT_SPECIFIED);
}
}
}