| /* |
| * 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 javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioSystem; |
| import javax.sound.sampled.DataLine; |
| import javax.sound.sampled.LineUnavailableException; |
| import javax.sound.sampled.Mixer; |
| import javax.sound.sampled.TargetDataLine; |
| |
| /** |
| * @test |
| * @bug 4836433 |
| * @summary Windows: TargetDataLine.flush() does not work. Since this test has |
| * some real-time variance, I disabled it by making it a manual test. |
| * @run main/manual TargetDataLineFlush |
| */ |
| public class TargetDataLineFlush { |
| TargetDataLine inLine; |
| int SAMPLE_RATE = 11025; |
| int BUFFER_MILLIS = 1000; |
| int WAIT_MILLIS; |
| int BITS = 16; |
| int CHANNELS = 2; |
| int bufferSize; |
| AudioFormat format; |
| Mixer.Info[] mixers; |
| static boolean failed = false; |
| |
| public TargetDataLineFlush() { |
| mixers = AudioSystem.getMixerInfo(); |
| } |
| |
| private void init() { |
| // float sampleRate, int sampleSizeInBits, int channels, boolean signed, boolean bigEndian |
| format = new AudioFormat( (float) SAMPLE_RATE, BITS, CHANNELS, true, false); |
| bufferSize = SAMPLE_RATE * BUFFER_MILLIS / 1000 * format.getFrameSize(); |
| } |
| |
| boolean openInputLine(int num) throws LineUnavailableException { |
| init(); |
| DataLine.Info info = new DataLine.Info(TargetDataLine.class, format); // format is an AudioFormat object |
| // Obtain and open a outLine. |
| if (num < 0) { |
| if (!AudioSystem.isLineSupported(info)) { |
| System.out.println("TargetDataLine is not supported by default mixer."); |
| return false; |
| } |
| inLine = (TargetDataLine) AudioSystem.getLine(info); |
| } else { |
| Mixer mixer = AudioSystem.getMixer(mixers[num]); |
| if (!mixer.isLineSupported(info)) { |
| System.out.println("TargetDataLine is not supported by this mixer."); |
| return false; |
| } |
| inLine = (TargetDataLine) mixer.getLine(info); |
| } |
| inLine.open(format, bufferSize); |
| /*if (Math.abs(inLine.getBufferSize() - bufferSize) > 100) { |
| inLine.close(); |
| System.out.println("TargetDataLine does not support buffer size of "+bufferSize+" bytes!"); |
| return false; |
| }*/ |
| bufferSize = inLine.getBufferSize(); |
| /* 3/4 of buffer size ot wait */ |
| WAIT_MILLIS = (int) (bufferSize / format.getFrameSize() * 750 / format.getFrameRate()); |
| System.out.println("Buffer size: "+bufferSize+" bytes = " |
| +((int) (bufferSize / format.getFrameSize() * 750 / format.getFrameRate()))+" millis"); |
| return true; |
| } |
| |
| private String available() { |
| int avail = inLine.available(); |
| int availMillis = (int) (avail / format.getFrameSize() * 1000 / format.getFrameRate()); |
| return "available "+avail+" bytes = "+availMillis+" millis"; |
| } |
| |
| private boolean recordSound(int num) throws LineUnavailableException { |
| if (!openInputLine(num)) { |
| return false; |
| } |
| byte data[] = new byte[1000]; |
| try { |
| System.out.println("Got line: "+inLine); |
| System.out.println("Start recording" ); |
| inLine.start(); |
| System.out.print("Warm-up..."); |
| //System.out.print("Waiting 500 millis..."); |
| try { Thread.sleep(500); } catch (InterruptedException ie) {} |
| //System.out.println("done. "+available()); |
| //System.out.print("Reading all data..."); |
| int avail0 = inLine.available(); |
| if (avail0 == 0) { |
| System.out.println("Problem: TargetDataLine did not deliver any data!"); |
| System.out.println("Not a test failure, but serious failure nonetheless."); |
| } else { |
| while ((avail0 -= inLine.read(data, 0, Math.min(data.length, avail0))) > 0); |
| System.out.println("done. "+available()); |
| System.out.print("Waiting "+(WAIT_MILLIS)+" millis..."); |
| try { Thread.sleep(WAIT_MILLIS); } catch (InterruptedException ie) {} |
| int avail1 = inLine.available(); |
| System.out.println("done. "+available()); |
| |
| System.out.print("Flushing..."); |
| inLine.flush(); |
| System.out.println("done. "+available()); |
| System.out.print("Waiting "+(WAIT_MILLIS)+" millis..."); |
| try { Thread.sleep(WAIT_MILLIS); } catch (InterruptedException ie) {} |
| int avail2 = inLine.available(); |
| System.out.println("done. "+available()); |
| if (avail2 > avail1) { |
| failed = true; |
| System.out.println("Failed: Flushing with native flush() should " |
| +"result in fewer bytes available."); |
| } |
| if (avail2 == 0) { |
| failed = true; |
| System.out.println("Failed: Recording after flush() did not work at all!"); |
| } |
| } |
| } finally { |
| System.out.print("Closing line...."); |
| inLine.close(); |
| System.out.println("done"); |
| } |
| return true; |
| } |
| |
| public void runTests(int testRuns) { |
| if (mixers.length > 0) { |
| for (int num = -1; num < mixers.length; num++) { |
| try { |
| if (num<0) { |
| System.out.println("------Using default line...." ); |
| } else { |
| System.out.println("------Using line "+num+" from mixer "+mixers[num]+"..."); |
| } |
| for (int testRun = 0; testRun < testRuns; testRun++) { |
| if (testRuns>1) { |
| System.out.println("--Run "+(testRun+1)+"/"+testRuns+":"); |
| } |
| if (!recordSound(num)) { |
| break; |
| } |
| } |
| } catch (Exception ex) { |
| System.out.println("Caught " + ex ); |
| } |
| System.out.println("------------------------------------------------------"); |
| if (failed) { |
| break; |
| } |
| } |
| } else { |
| System.out.println("No mixers present. Cannot execute this test."); |
| } |
| } |
| |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println("Test TargetDataLineFlush"); |
| System.out.println("This verifies that TargetDataLine.flush() actually"); |
| System.out.println("flushes the native buffers. This is done by"); |
| System.out.println("comparing a manual flush (i.e. just discarding"); |
| System.out.println("everything that is currently available in the TargetDataLine)"); |
| System.out.println("to a flushed line"); |
| TargetDataLineFlush app = new TargetDataLineFlush(); |
| int testRuns = 1; |
| if (args.length > 0) { |
| try { |
| testRuns = Integer.parseInt(args[0]); |
| } catch (NumberFormatException nfe) { |
| System.out.println("Usage: java TargetDataLineFlush [number of runs]"); |
| System.out.println("Parameters ignored."); |
| } |
| } |
| app.runTests(testRuns); |
| if (failed) { |
| throw new Exception("Test FAILED"); |
| } |
| // test always passes if it gets here |
| System.out.println("Test PASSED"); |
| } |
| } |