/*
* 21.04.2004 Original verion. davagin@udm.ru.
*-----------------------------------------------------------------------
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*----------------------------------------------------------------------
*/
package davaguine.jmac.decoder;
import davaguine.jmac.info.CompressionLevel;
/**
* Author: Dmitry Vaguine
* Date: 04.03.2004
* Time: 14:51:31
*/
public class AntiPredictor {
//construction/destruction
public AntiPredictor() {
}
//functions
public void AntiPredict(int[] pInputArray, int[] pOutputArray, int NumberOfElements) {
return;
}
public static AntiPredictor CreateAntiPredictor(int nCompressionLevel, int nVersion) {
AntiPredictor pAntiPredictor = null;
switch (nCompressionLevel) {
case CompressionLevel.COMPRESSION_LEVEL_FAST:
if (nVersion < 3320)
pAntiPredictor = new AntiPredictorFast0000To3320();
else
pAntiPredictor = new AntiPredictorFast3320ToCurrent();
break;
case CompressionLevel.COMPRESSION_LEVEL_NORMAL:
if (nVersion < 3320)
pAntiPredictor = new AntiPredictorNormal0000To3320();
else if (nVersion < 3800)
pAntiPredictor = new AntiPredictorNormal3320To3800();
else
pAntiPredictor = new AntiPredictorNormal3800ToCurrent();
break;
case CompressionLevel.COMPRESSION_LEVEL_HIGH:
if (nVersion < 3320)
pAntiPredictor = new AntiPredictorHigh0000To3320();
else if (nVersion < 3600)
pAntiPredictor = new AntiPredictorHigh3320To3600();
else if (nVersion < 3700)
pAntiPredictor = new AntiPredictorHigh3600To3700();
else if (nVersion < 3800)
pAntiPredictor = new AntiPredictorHigh3700To3800();
else
pAntiPredictor = new AntiPredictorHigh3800ToCurrent();
break;
case CompressionLevel.COMPRESSION_LEVEL_EXTRA_HIGH:
if (nVersion < 3320)
pAntiPredictor = new AntiPredictorExtraHigh0000To3320();
else if (nVersion < 3600)
pAntiPredictor = new AntiPredictorExtraHigh3320To3600();
else if (nVersion < 3700)
pAntiPredictor = new AntiPredictorExtraHigh3600To3700();
else if (nVersion < 3800)
pAntiPredictor = new AntiPredictorExtraHigh3700To3800();
else
pAntiPredictor = new AntiPredictorExtraHigh3800ToCurrent();
break;
}
return pAntiPredictor;
}
}