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* 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.
*
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import java.io.IOException;
import java.io.InputStream;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
/**
* @test
* @bug 4948663
* @summary AudioInputStream does not use the original stream passed to its constructor
*/
public class AISReadFraction {
static int failed = 0;
static byte[] testData = new byte[256];
static boolean DEBUG = false;
static AudioFormat[] formats = {
new AudioFormat(44100.0f, 8, 1, false, false), // frameSize = 1
new AudioFormat(44100.0f, 8, 2, false, false), // frameSize = 2
new AudioFormat(44100.0f, 16, 1, true, false), // frameSize = 2
new AudioFormat(44100.0f, 24, 1, true, false), // frameSize = 3
new AudioFormat(44100.0f, 16, 2, true, false), // frameSize = 4
new AudioFormat(44100.0f, 8, 5, false, false), // frameSize = 5
new AudioFormat(44100.0f, 16, 3, true, false), // frameSize = 6
new AudioFormat(44100.0f, 8, 7, false, false), // frameSize = 7
new AudioFormat(44100.0f, 32, 2, true, false) // frameSize = 8
};
public static void main(String args[]) throws Exception {
for (int i = 0; i<testData.length; i++) {
testData[i] = (byte) (i % 128);
}
for (int f = 0; f < formats.length; f++) {
// first test without marking
doTest(formats[f], false);
// then with marking
doTest(formats[f], true);
}
out(""+failed+" failures.");
if (failed>0) throw new Exception("Test FAILED!");
out("Test passed.");
}
static void doTest(AudioFormat format, boolean doMark) {
out("Test with"+(doMark?"":"out")+" marking. Audio format: "
+"sampleSize="+format.getSampleSizeInBits()+"bits "
+"channels="+format.getChannels()+" "
+"frameSize="+format.getFrameSize()+"byte(s)");
int maxReadBytes = (testData.length / format.getFrameSize()) * format.getFrameSize();
InputStream is = new FractionalIS(testData, doMark);
AudioInputStream ais = new AudioInputStream(is, format, AudioSystem.NOT_SPECIFIED);
// first some general tests
if (ais.markSupported() && !doMark) {
out(" #AIS reports markSupported, but underlying stream cannot! FAILED");
failed ++;
}
if (!ais.markSupported() && doMark) {
out(" #AIS does not report markSupported, but underlying stream can mark! FAILED");
failed++;
}
byte[] data = new byte[1000];
int frameSize = format.getFrameSize();
int counter = 5;
int totalReadBytes = 0;
boolean hasRead0 = false;
boolean hasMarked = false;
boolean hasReset = false;
int markPos = 0;
while (true) {
try {
int toBeRead = frameSize * counter;
counter += 3;
if (counter > 14) {
counter -= 14;
}
int read = ais.read(data, 0, toBeRead);
if (DEBUG) out(" -> ais.read(data, 0, "+toBeRead+"): "+read+" (frameSize="+frameSize+")");
if ((totalReadBytes == maxReadBytes) && (read != -1)
&& ((read > 0) || hasRead0)) {
if (read == 0) {
out(" #stream was read to the end ("+maxReadBytes+"), but ais.read returned repeatedly 0 bytes. FAILED");
} else {
out(" #stream was read to the end ("+maxReadBytes+"), but ais.read returned "+read+" bytes... FAILED");
}
failed++;
break;
}
if (read > 0) {
verifyReadBytes(data, totalReadBytes, read);
if ((read % frameSize) != 0) {
out(" #Read non-integral number of frames: "+read+" bytes, frameSize="+frameSize+" bytes. FAILED");
failed++;
}
totalReadBytes += read;
hasRead0 = false;
}
else if (read == 0) {
//out(" wanted to read "+toBeRead+" at position "+totalReadBytes+", but got 0 bytes!");
if (hasRead0) {
out(" read 0 twice in a row! FAILED");
failed++;
break;
}
hasRead0 = true;
} else {
// end of stream
out(" End of stream reached. Total read bytes: "+totalReadBytes);
if (totalReadBytes != maxReadBytes) {
out(" #Failed: should have read "+maxReadBytes+" bytes! FAILED.");
failed++;
}
break;
}
// test marking
if (totalReadBytes > 50 && !hasMarked && !hasReset && doMark) {
out(" Marking at position "+totalReadBytes);
hasMarked = true;
ais.mark(0);
markPos = totalReadBytes;
}
if (totalReadBytes > 100 && hasMarked && !hasReset && doMark) {
out(" Resetting at position "+totalReadBytes+" back to "+markPos);
hasReset = true;
ais.reset();
totalReadBytes = markPos;
}
} catch (IOException e) {
out(" #caught unexpected exception:");
e.printStackTrace();
failed++;
}
}
}
static void verifyReadBytes(byte[] data, int offset, int len) {
int firstWrongByte = -1;
for (int i = 0; i < len; i++) {
int expected = ((offset + i) % 128);
if (data[i] != expected) {
out(" read data is not correct! offset="+offset+" expected="+expected+" actual="+data[i]);
failed++;
break;
}
}
}
public static void out(String s) {
System.out.println(s);
}
static class FractionalIS extends InputStream {
byte[] data;
int pos = 0;
boolean canMark;
// a counter how many bytes are not returned
int missingBytes = 0;
int markPos = -1;
FractionalIS(byte[] data, boolean canMark) {
this.data = data;
this.canMark = canMark;
}
public int read() throws IOException {
if (pos >= data.length) {
return -1;
}
return data[pos++] & 0xFF;
}
public int read(byte[] b, int off, int len) throws IOException {
if (++missingBytes > 5) {
missingBytes = 0;
}
int reducedLen = len - missingBytes;
if (reducedLen <= 0) reducedLen = 1;
if (DEBUG) out(" FIS.read(data, 0, "+len+"): reducing len to "+reducedLen+" bytes.");
int ret = super.read(b, off, reducedLen);
if (DEBUG) out(" returning "+ret+" bytes. Now at pos="+pos);
return ret;
}
public void mark(int readlimit) {
markPos = pos;
if (DEBUG) out(" FIS.mark(): marking at "+pos);
}
public void reset() throws IOException {
if (!canMark) {
throw new IOException("reset not supported!");
}
if (markPos == -1) {
throw new IOException("Mark position not set!");
}
pos = markPos;
if (DEBUG) out(" FIS.reset(): now back at "+pos);
}
public boolean markSupported() {
return canMark;
}
}
}