1 /* rice.h
2  * Pseudo Rice encoding of an integer stream
3  * Copyright (C) 2000 Wayde Milas (wmilas@rarcoa.com)
4  *
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9 
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14 
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 */
19 
20 /* Functions
21  */
22 
23 void rice_decode(KEXISBLOCKSTRUCT *kexisBlock, long *data,
24 	OPTIONSTRUCT *options, PCMBLOCKSTRUCT *pcmBlock, int kType);
25 void rice_encode(KEXISBLOCKSTRUCT *kexisBlock, long data,
26 	OPTIONSTRUCT *options, PCMBLOCKSTRUCT *pcmBlock, int kType);
27 void collect_K_stats(PREDICTORTABLE *pred, long newK, int kType,
28 	unsigned short encoderVersion);
29 long get_K(PREDICTORTABLE *pred, int kType, unsigned short encoderVersion,
30 	int kHist);
31 long calc_newK(long newData, PREDICTORTABLE *pred);
32 void update_K(PREDICTORTABLE *pred, long newK, int kType,
33 	unsigned short encoderVersion, int kHist);
34 int block_ave_K(int table[], int kHist);
35 long lookup_newK(long holdData, PREDICTORTABLE *pred);
36