| /* |
| * Copyright (c) 2001, 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.ByteArrayInputStream; |
| |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.AudioSystem; |
| import javax.sound.sampled.Clip; |
| import javax.sound.sampled.DataLine; |
| import javax.sound.sampled.LineUnavailableException; |
| import javax.sound.sampled.Mixer; |
| |
| /** |
| * @test |
| * @bug 4237703 |
| * @summary Check that Clip.getMicrosecondLength() returns correct value. |
| */ |
| public class ClipDuration { |
| |
| public static int run(Mixer m) { |
| int res=1; // failed |
| int frameCount = 441000; // lets say 10 seconds |
| AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false); |
| AudioInputStream audioInputStream = |
| new AudioInputStream(new ByteArrayInputStream(new byte[frameCount * f.getFrameSize()]), |
| f, frameCount); |
| AudioFormat format = audioInputStream.getFormat(); |
| Clip m_clip = null; |
| try { |
| if (m == null) { |
| m_clip = (Clip) AudioSystem.getClip(); |
| } else { |
| DataLine.Info info = new DataLine.Info(Clip.class, format, AudioSystem.NOT_SPECIFIED); |
| m_clip = (Clip) m.getLine(info); |
| } |
| System.out.println("Got clip: "+m_clip); |
| m_clip.open(audioInputStream); |
| long microseconds=m_clip.getMicrosecondLength(); |
| System.out.println("getFrameLength()="+m_clip.getFrameLength()+" frames"); |
| System.out.println("getMicrosecondLength()="+microseconds+" us"); |
| if (Math.abs(microseconds-10000000)<50) { |
| System.out.println("->Clip OK"); |
| res=0; // passes if less than 50us error |
| } |
| } catch (LineUnavailableException luae) { |
| System.err.println(luae); |
| res = 3; // line not available, test not failed |
| } catch (Throwable t) { |
| System.out.println("->Exception:"+t); |
| t.printStackTrace(); |
| res=2; // exception |
| } |
| if (m_clip != null) { |
| m_clip.close(); |
| } |
| return res; |
| } |
| |
| |
| |
| public static void main(String[] args) throws Exception { |
| if (isSoundcardInstalled()) { |
| int res=3; |
| res = run(null); |
| Mixer.Info[] infos = AudioSystem.getMixerInfo(); |
| for (int i = 0; i<infos.length; i++) { |
| try { |
| Mixer m = AudioSystem.getMixer(infos[i]); |
| int r = run(m); |
| if (r == 1) res = 1; |
| } catch (Exception e) { |
| } |
| } |
| if (res!=1) { |
| System.out.println("Test passed"); |
| } else { |
| if (res==2) { |
| System.err.println("Test could not execute: test threw unexpected Exception."); |
| throw new Exception("Test threw exception"); |
| } |
| else if (res==3) { |
| System.err.println("Test could not execute: please install an audio device"); |
| return; |
| } |
| throw new Exception("Test returned wrong length"); |
| } |
| } |
| } |
| |
| /** |
| * Returns true if at least one soundcard is correctly installed |
| * on the system. |
| */ |
| public static boolean isSoundcardInstalled() { |
| boolean result = false; |
| try { |
| Mixer.Info[] mixers = AudioSystem.getMixerInfo(); |
| if (mixers.length > 0) { |
| result = AudioSystem.getSourceDataLine(null) != null; |
| } |
| } catch (Exception e) { |
| System.err.println("Exception occured: "+e); |
| } |
| if (!result) { |
| System.err.println("Soundcard does not exist or sound drivers not installed!"); |
| System.err.println("This test requires sound drivers for execution."); |
| } |
| return result; |
| } |
| } |