Asterisk - The Open Source Telephony Project  18.5.0
transcap.h
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1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2005, Digium, Inc.
5  *
6  * Matthew Fredrickson <[email protected]>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18 
19 /*! \file
20  * \brief General Asterisk channel transcoding definitions.
21  */
22 
23 #ifndef _ASTERISK_TRANSCAP_H
24 #define _ASTERISK_TRANSCAP_H
25 
26 /* These definitions are taken directly out of libpri.h and used here.
27  * DO NOT change them as it will cause unexpected behavior in channels
28  * that utilize these fields.
29  */
30 
31 /*! \name AstTranscode General Asterisk channel transcoding definitions.
32 */
33 /*@{ */
34 #define AST_TRANS_CAP_SPEECH 0x0
35 #define AST_TRANS_CAP_DIGITAL 0x08
36 #define AST_TRANS_CAP_RESTRICTED_DIGITAL 0x09
37 #define AST_TRANS_CAP_3_1K_AUDIO 0x10
38 #define AST_TRANS_CAP_7K_AUDIO 0x11 /* Depriciated ITU Q.931 (05/1998)*/
39 #define AST_TRANS_CAP_DIGITAL_W_TONES 0x11
40 #define AST_TRANS_CAP_VIDEO 0x18
41 /*@} */
42 
43 #define IS_DIGITAL(cap)\
44  (cap) & AST_TRANS_CAP_DIGITAL ? 1 : 0
45 
46 #endif /* _ASTERISK_TRANSCAP_H */