serval-dna/asterisk_include/asterisk/transcap.h
2011-03-21 13:08:35 +10:30

43 lines
1.3 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Matthew Fredrickson <creslin@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
* \brief General Asterisk channel transcoding definitions.
*/
#ifndef _ASTERISK_TRANSCAP_H
#define _ASTERISK_TRANSCAP_H
/* These definitions are taken directly out of libpri.h and used here.
* DO NOT change them as it will cause unexpected behavior in channels
* that utilize these fields.
*/
#define AST_TRANS_CAP_SPEECH 0x0
#define AST_TRANS_CAP_DIGITAL 0x08
#define AST_TRANS_CAP_RESTRICTED_DIGITAL 0x09
#define AST_TRANS_CAP_3_1K_AUDIO 0x10
#define AST_TRANS_CAP_7K_AUDIO 0x11 /* Depriciated ITU Q.931 (05/1998)*/
#define AST_TRANS_CAP_DIGITAL_W_TONES 0x11
#define AST_TRANS_CAP_VIDEO 0x18
#define IS_DIGITAL(cap)\
(cap) & AST_TRANS_CAP_DIGITAL ? 1 : 0
#endif /* _ASTERISK_TRANSCAP_H */