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comparison spandsp-0.0.3/spandsp-0.0.3/tests/dtmf_tx_tests.c @ 5:f762bf195c4b

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import spandsp-0.0.3
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 16:00:21 +0200
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4:26cd8f1ef0b1 5:f762bf195c4b
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * dtmf_tx_tests.c - Test the DTMF generator.
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 General Public License version 2, as
14 * 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 General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * $Id: dtmf_tx_tests.c,v 1.11 2006/11/19 14:07:27 steveu Exp $
26 */
27
28 /*! \file */
29
30 /*! \page dtmf_tx_tests_page DTMF generation tests
31 \section dtmf_tx_tests_page_sec_1 What does it do?
32 ???.
33
34 \section dtmf_tx_tests_page_sec_2 How does it work?
35 ???.
36 */
37
38 #ifdef HAVE_CONFIG_H
39 #include "config.h"
40 #endif
41
42 #include <stdlib.h>
43 #include <inttypes.h>
44 #include <string.h>
45 #if defined(HAVE_TGMATH_H)
46 #include <tgmath.h>
47 #endif
48 #if defined(HAVE_MATH_H)
49 #include <math.h>
50 #endif
51 #include <stdio.h>
52 #include <time.h>
53 #include <fcntl.h>
54 #include <audiofile.h>
55 #include <tiffio.h>
56
57 #include "spandsp.h"
58
59 #define OUTPUT_FILE_NAME "dtmf.wav"
60
61 int main(int argc, char *argv[])
62 {
63 dtmf_tx_state_t gen;
64 int16_t amp[16384];
65 int len;
66 AFfilehandle outhandle;
67 AFfilesetup filesetup;
68 int outframes;
69 int add_digits;
70
71 if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
72 {
73 fprintf(stderr, " Failed to create file setup\n");
74 exit(2);
75 }
76 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
77 afInitRate(filesetup, AF_DEFAULT_TRACK, 8000.0);
78 //afInitCompression(filesetup, AF_DEFAULT_TRACK, AF_COMPRESSION_G711_ALAW);
79 afInitFileFormat(filesetup, AF_FILE_WAVE);
80 afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
81
82 if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
83 {
84 fprintf(stderr, " Cannot open wave file '%s'\n", OUTPUT_FILE_NAME);
85 exit(2);
86 }
87
88 dtmf_tx_init(&gen);
89 len = dtmf_tx(&gen, amp, 16384);
90 printf("Generated %d samples\n", len);
91 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
92 if (dtmf_tx_put(&gen, "123"))
93 printf("Ooops\n");
94 len = dtmf_tx(&gen, amp, 16384);
95 printf("Generated %d samples\n", len);
96 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
97 if (dtmf_tx_put(&gen, "456"))
98 printf("Ooops\n");
99 len = dtmf_tx(&gen, amp, 160);
100 printf("Generated %d samples\n", len);
101 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
102 if (dtmf_tx_put(&gen, "789"))
103 printf("Ooops\n");
104 len = dtmf_tx(&gen, amp, 160);
105 printf("Generated %d samples\n", len);
106 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
107 if (dtmf_tx_put(&gen, "*#"))
108 printf("Ooops\n");
109 len = dtmf_tx(&gen, amp, 160);
110 printf("Generated %d samples\n", len);
111 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
112 add_digits = 1;
113 do
114 {
115 len = dtmf_tx(&gen, amp, 160);
116 printf("Generated %d samples\n", len);
117 if (len > 0)
118 {
119 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
120 }
121 if (add_digits)
122 {
123 if (dtmf_tx_put(&gen, "1234567890"))
124 {
125 printf("Digit buffer full\n");
126 add_digits = 0;
127 }
128 }
129 }
130 while (len > 0);
131
132 dtmf_tx_init(&gen);
133 len = dtmf_tx(&gen, amp, 16384);
134 printf("Generated %d samples\n", len);
135 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
136 if (dtmf_tx_put(&gen, "123"))
137 printf("Ooops\n");
138 len = dtmf_tx(&gen, amp, 16384);
139 printf("Generated %d samples\n", len);
140 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
141 if (dtmf_tx_put(&gen, "456"))
142 printf("Ooops\n");
143 len = dtmf_tx(&gen, amp, 160);
144 printf("Generated %d samples\n", len);
145 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
146 if (dtmf_tx_put(&gen, "789"))
147 printf("Ooops\n");
148 len = dtmf_tx(&gen, amp, 160);
149 printf("Generated %d samples\n", len);
150 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
151 if (dtmf_tx_put(&gen, "0*#"))
152 printf("Ooops\n");
153 len = dtmf_tx(&gen, amp, 160);
154 printf("Generated %d samples\n", len);
155 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
156 if (dtmf_tx_put(&gen, "ABCD"))
157 printf("Ooops\n");
158 len = dtmf_tx(&gen, amp, 160);
159 printf("Generated %d samples\n", len);
160 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
161 add_digits = 1;
162 do
163 {
164 len = dtmf_tx(&gen, amp, 160);
165 printf("Generated %d samples\n", len);
166 if (len > 0)
167 {
168 outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, len);
169 }
170 if (add_digits)
171 {
172 if (dtmf_tx_put(&gen, "1234567890"))
173 {
174 printf("Digit buffer full\n");
175 add_digits = 0;
176 }
177 }
178 }
179 while (len > 0);
180
181 if (afCloseFile(outhandle) != 0)
182 {
183 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
184 exit (2);
185 }
186 afFreeFileSetup(filesetup);
187
188 return 0;
189 }
190 /*- End of function --------------------------------------------------------*/
191 /*- End of file ------------------------------------------------------------*/

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