comparison spandsp-0.0.6pre17/src/spandsp/t30_logging.h @ 4:26cd8f1ef0b1

import spandsp-0.0.6pre17
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 15:50:58 +0200
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3:c6c5a16ce2f2 4:26cd8f1ef0b1
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * t30_logging.h - definitions for T.30 fax processing
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2003 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License version 2.1,
14 * as published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * $Id: t30_logging.h,v 1.4 2009/02/03 16:28:41 steveu Exp $
26 */
27
28 /*! \file */
29
30 #if !defined(_SPANDSP_T30_LOGGING_H_)
31 #define _SPANDSP_T30_LOGGING_H_
32
33 #if defined(__cplusplus)
34 extern "C"
35 {
36 #endif
37
38 /*! Return a text name for a T.30 frame type.
39 \brief Return a text name for a T.30 frame type.
40 \param x The frametype octet.
41 \return A pointer to the text name for the frame type. If the frame type is
42 not value, the string "???" is returned. */
43 SPAN_DECLARE(const char *) t30_frametype(uint8_t x);
44
45 /*! Decode a DIS, DTC or DCS frame, and log the contents.
46 \brief Decode a DIS, DTC or DCS frame, and log the contents.
47 \param s The T.30 context.
48 \param dis A pointer to the frame to be decoded.
49 \param len The length of the frame. */
50 SPAN_DECLARE(void) t30_decode_dis_dtc_dcs(t30_state_t *s, const uint8_t *dis, int len);
51
52 /*! Convert a phase E completion code to a short text description.
53 \brief Convert a phase E completion code to a short text description.
54 \param result The result code.
55 \return A pointer to the description. */
56 SPAN_DECLARE(const char *) t30_completion_code_to_str(int result);
57
58 #if defined(__cplusplus)
59 }
60 #endif
61
62 #endif
63 /*- End of file ------------------------------------------------------------*/

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