238 lines
9.2 KiB
Java
238 lines
9.2 KiB
Java
/*
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* Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.IOException;
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import java.io.InputStream;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioInputStream;
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import javax.sound.sampled.AudioSystem;
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/**
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* @test
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* @bug 4948663
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* @summary AudioInputStream does not use the original stream passed to its constructor
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*/
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public class AISReadFraction {
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static int failed = 0;
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static byte[] testData = new byte[256];
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static boolean DEBUG = false;
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static AudioFormat[] formats = {
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new AudioFormat(44100.0f, 8, 1, false, false), // frameSize = 1
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new AudioFormat(44100.0f, 8, 2, false, false), // frameSize = 2
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new AudioFormat(44100.0f, 16, 1, true, false), // frameSize = 2
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new AudioFormat(44100.0f, 24, 1, true, false), // frameSize = 3
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new AudioFormat(44100.0f, 16, 2, true, false), // frameSize = 4
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new AudioFormat(44100.0f, 8, 5, false, false), // frameSize = 5
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new AudioFormat(44100.0f, 16, 3, true, false), // frameSize = 6
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new AudioFormat(44100.0f, 8, 7, false, false), // frameSize = 7
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new AudioFormat(44100.0f, 32, 2, true, false) // frameSize = 8
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};
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public static void main(String args[]) throws Exception {
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for (int i = 0; i<testData.length; i++) {
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testData[i] = (byte) (i % 128);
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}
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for (int f = 0; f < formats.length; f++) {
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// first test without marking
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doTest(formats[f], false);
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// then with marking
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doTest(formats[f], true);
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}
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out(""+failed+" failures.");
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if (failed>0) throw new Exception("Test FAILED!");
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out("Test passed.");
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}
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static void doTest(AudioFormat format, boolean doMark) {
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out("Test with"+(doMark?"":"out")+" marking. Audio format: "
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+"sampleSize="+format.getSampleSizeInBits()+"bits "
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+"channels="+format.getChannels()+" "
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+"frameSize="+format.getFrameSize()+"byte(s)");
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int maxReadBytes = (testData.length / format.getFrameSize()) * format.getFrameSize();
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InputStream is = new FractionalIS(testData, doMark);
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AudioInputStream ais = new AudioInputStream(is, format, AudioSystem.NOT_SPECIFIED);
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// first some general tests
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if (ais.markSupported() && !doMark) {
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out(" #AIS reports markSupported, but underlying stream cannot! FAILED");
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failed ++;
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}
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if (!ais.markSupported() && doMark) {
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out(" #AIS does not report markSupported, but underlying stream can mark! FAILED");
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failed++;
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}
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byte[] data = new byte[1000];
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int frameSize = format.getFrameSize();
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int counter = 5;
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int totalReadBytes = 0;
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boolean hasRead0 = false;
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boolean hasMarked = false;
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boolean hasReset = false;
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int markPos = 0;
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while (true) {
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try {
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int toBeRead = frameSize * counter;
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counter += 3;
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if (counter > 14) {
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counter -= 14;
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}
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int read = ais.read(data, 0, toBeRead);
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if (DEBUG) out(" -> ais.read(data, 0, "+toBeRead+"): "+read+" (frameSize="+frameSize+")");
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if ((totalReadBytes == maxReadBytes) && (read != -1)
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&& ((read > 0) || hasRead0)) {
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if (read == 0) {
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out(" #stream was read to the end ("+maxReadBytes+"), but ais.read returned repeatedly 0 bytes. FAILED");
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} else {
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out(" #stream was read to the end ("+maxReadBytes+"), but ais.read returned "+read+" bytes... FAILED");
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}
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failed++;
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break;
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}
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if (read > 0) {
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verifyReadBytes(data, totalReadBytes, read);
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if ((read % frameSize) != 0) {
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out(" #Read non-integral number of frames: "+read+" bytes, frameSize="+frameSize+" bytes. FAILED");
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failed++;
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}
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totalReadBytes += read;
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hasRead0 = false;
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}
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else if (read == 0) {
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//out(" wanted to read "+toBeRead+" at position "+totalReadBytes+", but got 0 bytes!");
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if (hasRead0) {
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out(" read 0 twice in a row! FAILED");
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failed++;
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break;
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}
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hasRead0 = true;
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} else {
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// end of stream
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out(" End of stream reached. Total read bytes: "+totalReadBytes);
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if (totalReadBytes != maxReadBytes) {
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out(" #Failed: should have read "+maxReadBytes+" bytes! FAILED.");
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failed++;
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}
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break;
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}
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// test marking
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if (totalReadBytes > 50 && !hasMarked && !hasReset && doMark) {
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out(" Marking at position "+totalReadBytes);
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hasMarked = true;
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ais.mark(0);
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markPos = totalReadBytes;
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}
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if (totalReadBytes > 100 && hasMarked && !hasReset && doMark) {
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out(" Resetting at position "+totalReadBytes+" back to "+markPos);
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hasReset = true;
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ais.reset();
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totalReadBytes = markPos;
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}
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} catch (IOException e) {
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out(" #caught unexpected exception:");
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e.printStackTrace();
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failed++;
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}
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}
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}
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static void verifyReadBytes(byte[] data, int offset, int len) {
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int firstWrongByte = -1;
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for (int i = 0; i < len; i++) {
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int expected = ((offset + i) % 128);
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if (data[i] != expected) {
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out(" read data is not correct! offset="+offset+" expected="+expected+" actual="+data[i]);
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failed++;
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break;
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}
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}
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}
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public static void out(String s) {
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System.out.println(s);
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}
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static class FractionalIS extends InputStream {
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byte[] data;
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int pos = 0;
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boolean canMark;
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// a counter how many bytes are not returned
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int missingBytes = 0;
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int markPos = -1;
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FractionalIS(byte[] data, boolean canMark) {
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this.data = data;
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this.canMark = canMark;
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}
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public int read() throws IOException {
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if (pos >= data.length) {
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return -1;
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}
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return data[pos++] & 0xFF;
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}
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public int read(byte[] b, int off, int len) throws IOException {
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if (++missingBytes > 5) {
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missingBytes = 0;
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}
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int reducedLen = len - missingBytes;
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if (reducedLen <= 0) reducedLen = 1;
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if (DEBUG) out(" FIS.read(data, 0, "+len+"): reducing len to "+reducedLen+" bytes.");
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int ret = super.read(b, off, reducedLen);
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if (DEBUG) out(" returning "+ret+" bytes. Now at pos="+pos);
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return ret;
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}
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public void mark(int readlimit) {
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markPos = pos;
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if (DEBUG) out(" FIS.mark(): marking at "+pos);
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}
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public void reset() throws IOException {
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if (!canMark) {
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throw new IOException("reset not supported!");
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}
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if (markPos == -1) {
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throw new IOException("Mark position not set!");
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}
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pos = markPos;
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if (DEBUG) out(" FIS.reset(): now back at "+pos);
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}
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public boolean markSupported() {
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return canMark;
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}
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}
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}
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