/****************************************************************************** * * * Copyright (c) 1999-2003 Wimba S.A., All Rights Reserved. * * * * COPYRIGHT: * * This software is the property of Wimba S.A. * * This software is redistributed under the Xiph.org variant of * * the BSD license. * * Redistribution and use in source and binary forms, with or without * * modification, are permitted provided that the following conditions * * are met: * * - Redistributions of source code must retain the above copyright * * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * * notice, this list of conditions and the following disclaimer in the * * documentation and/or other materials provided with the distribution. * * - Neither the name of Wimba, the Xiph.org Foundation nor the names of * * its contributors may be used to endorse or promote products derived * * from this software without specific prior written permission. * * * * WARRANTIES: * * This software is made available by the authors in the hope * * that it will be useful, but without any warranty. * * Wimba S.A. is not liable for any consequence related to the * * use of the provided software. * * * * Class: CbSearch.java * * * * Author: James LAWRENCE * * Modified by: Marc GIMPEL * * Based on code by: Jean-Marc VALIN * * * * Date: March 2003 * * * ******************************************************************************/ /* $Id: CbSearch.java,v 1.2 2004/10/21 16:21:57 mgimpel Exp $ */ /* Copyright (C) 2002 Jean-Marc Valin Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of the Xiph.org Foundation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.xiph.speex; /** * Abstract class that is the base for the various Codebook search methods. * * @author Jim Lawrence, helloNetwork.com * @author Marc Gimpel, Wimba S.A. (mgimpel@horizonwimba.com) * @version $Revision: 1.2 $ */ public abstract class CbSearch { /** * Codebook Search Quantification. * @param target target vector * @param ak LPCs for this subframe * @param awk1 Weighted LPCs for this subframe * @param awk2 Weighted LPCs for this subframe * @param p number of LPC coeffs * @param nsf number of samples in subframe * @param exc excitation array. * @param es position in excitation array. * @param r * @param bits Speex bits buffer. * @param complexity */ public abstract void quant(float[] target, float[] ak, float[] awk1, float[] awk2, int p, int nsf, float[] exc, int es, float[] r, Bits bits, int complexity); /** * Codebook Search Unquantification. * @param exc - excitation array. * @param es - position in excitation array. * @param nsf - number of samples in subframe. * @param bits - Speex bits buffer. */ public abstract void unquant(float[] exc, int es, int nsf, Bits bits); }