001/** 002 * Copyright (c) 2011, The University of Southampton and the individual contributors. 003 * All rights reserved. 004 * 005 * Redistribution and use in source and binary forms, with or without modification, 006 * are permitted provided that the following conditions are met: 007 * 008 * * Redistributions of source code must retain the above copyright notice, 009 * this list of conditions and the following disclaimer. 010 * 011 * * Redistributions in binary form must reproduce the above copyright notice, 012 * this list of conditions and the following disclaimer in the documentation 013 * and/or other materials provided with the distribution. 014 * 015 * * Neither the name of the University of Southampton nor the names of its 016 * contributors may be used to endorse or promote products derived from this 017 * software without specific prior written permission. 018 * 019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 029 */ 030/** 031 * 032 */ 033package org.openimaj.demos.sandbox.audio; 034 035import java.io.File; 036 037import javax.swing.JFrame; 038 039import org.openimaj.audio.AudioEventListener; 040import org.openimaj.audio.AudioPlayer; 041import org.openimaj.audio.SampleChunk; 042import org.openimaj.video.xuggle.XuggleAudio; 043import org.openimaj.vis.audio.AudioWaveform; 044 045/** 046 * Shows a live waveform of an audio file. 047 * 048 * @author David Dupplaw (dpd@ecs.soton.ac.uk) 049 * @created 31 Jul 2012 050 * @version $Author$, $Revision$, $Date$ 051 */ 052public class AudioWaveformVisTest 053{ 054 /** 055 * @param args 056 * @throws InterruptedException 057 */ 058 public static void main( final String[] args ) throws InterruptedException 059 { 060 String name = "heads1.mpeg"; 061 if( args.length > 0 ) 062 name = args[0]; 063 064 final XuggleAudio xa = new XuggleAudio( new File( name ) ); 065 066 final AudioWaveform aw = new AudioWaveform( 1000, 500 ); 067 aw.setMaximum( Integer.MAX_VALUE ); 068 final JFrame f = aw.showWindow( "Audio" ); 069 070 final AudioPlayer ap = new AudioPlayer( xa ); 071 ap.addAudioEventListener( new AudioEventListener() 072 { 073 @Override 074 public void beforePlay( final SampleChunk sc ) 075 { 076 } 077 078 @Override 079 public void audioEnded() 080 { 081 f.dispose(); 082 } 083 084 @Override 085 public void afterPlay( final AudioPlayer ap, final SampleChunk sc ) 086 { 087 aw.setData( sc.getSampleBuffer() ); 088 } 089 } ); 090 ap.run(); 091 } 092}