/*
 * G.711 conversion function header file
 * (adjusted for g711.c from SoX)
 *
 * This file is part of ANT (Ant is Not a Telephone)
 *
 * Copyright 2002, 2003 Roland Stigge
 *
 * ANT 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.
 *
 * ANT 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 ANT; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

unsigned char linear2alaw(int pcm_val);	/* 2's complement (16-bit range) */
int alaw2linear(unsigned char a_val);

unsigned char linear2ulaw(int pcm_val);	/* 2's complement (16-bit range) */
int ulaw2linear(unsigned char u_val);

unsigned char alaw2ulaw(unsigned char aval);
unsigned char ulaw2alaw(unsigned char uval);
