Codebook.java

package org.jcodec.codecs.prores;

/**
 * This class is part of JCodec ( www.jcodec.org ) This software is distributed
 * under FreeBSD License
 * 
 * Codebook for ProRes codes
 * 
 * @author The JCodec project
 * 
 */
public class Codebook {
    int riceOrder;
    int expOrder;
    int switchBits;
    int golombOffset;
    int golombBits;
    int riceMask;

    public Codebook(int riceOrder, int expOrder, int switchBits) {
        this.riceOrder = riceOrder;
        this.expOrder = expOrder;
        this.switchBits = switchBits;

        this.golombOffset = (1 << expOrder) - ((switchBits + 1) << riceOrder);
        this.golombBits = expOrder - switchBits - 1;
        this.riceMask = (1 << riceOrder) - 1;
    }
}