33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/*
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* G.711 conversion function header file
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* (adjusted for g711.c from SoX)
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*
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* This file is part of ANT (Ant is Not a Telephone)
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*
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* Copyright 2002, 2003 Roland Stigge
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*
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* ANT is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* ANT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ANT; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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unsigned char linear2alaw(int pcm_val); /* 2's complement (16-bit range) */
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int alaw2linear(unsigned char a_val);
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unsigned char linear2ulaw(int pcm_val); /* 2's complement (16-bit range) */
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int ulaw2linear(unsigned char u_val);
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unsigned char alaw2ulaw(unsigned char aval);
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unsigned char ulaw2alaw(unsigned char uval);
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