| /* |
| * Copyright (c) 2003, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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; |
| } |
| |
| } |
| |
| } |
