/* * Created on Feb 23, 2007 * * Copyright (c) 2006-2007 P.J.Leonard * * http://www.frinika.com * * This file is part of Frinika. * * Frinika is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * Frinika 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 for more details. * You should have received a copy of the GNU General Public License * along with Frinika; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package com.frinika.audio.toot; import uk.org.toot.audio.core.AudioBuffer; import uk.org.toot.audio.core.AudioProcess; /** * A simple AudioProcess that looks for the peak value. * It is reset when yoiu call getPeak() * @author pjl * */ public class AudioPeakMonitor implements AudioProcess { float monitVal = 0.0f; public float getPeak() { float t = monitVal; monitVal = 0.0f; return t; } public void open() { } public int processAudio(AudioBuffer buffer) { int n = buffer.getSampleCount(); int nch = buffer.getChannelCount(); for (int ch=0;ch<nch;ch++) { float []buff=buffer.getChannel(ch); for(int i=0;i<n;i++) { if (Math.abs(buff[i]) > monitVal) monitVal=Math.abs(buff[i]); } } return AUDIO_OK; } public void close() { } }