package org.kc7bfi.jflac.frame;
/**
* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001,2002,2003 Josh Coalson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
import org.kc7bfi.jflac.Constants;
/**
* The FLAC Frame class.
*
* @author kc7bfi
*/
public class Frame {
/**
* The frame header.
*/
public Header header;
/**
* The subframes - One per channel.
*/
public Channel[] subframes = new Channel[Constants.MAX_CHANNELS];
/**
* The frame footer.
*/
private short crc;
/**
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("Frame Header: ").append(header).append("\n");
for (int i = 0; i < header.channels; i++) {
sb.append("\tFrame Data ").append(subframes[i].toString()).append("\n");
}
sb.append("\tFrame Footer: ").append(crc);
return sb.toString();
}
/**
* Return the maximum Rice partition order based on the block size.
*
* @param blocksize The block size
* @return The maximum Rice partition order
*/
public static int getMaxRicePartitionOrderFromBlocksize(int blocksize) {
int maxRicePartitionOrder = 0;
while ((blocksize & 1) == 0) {
maxRicePartitionOrder++;
blocksize >>= 1;
}
return Math.min(Constants.MAX_RICE_PARTITION_ORDER, maxRicePartitionOrder);
}
/**
* return the frame's CRC.
*
* @return Returns the crc.
*/
public short getCRC() {
return crc;
}
/**
* Set the frame's CRC.
*
* @param crc The crc to set.
*/
public void setCRC(short crc) {
this.crc = crc;
}
}