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comparison spandsp-0.0.6pre17/tests/bell_mf_tx_tests.c @ 4:26cd8f1ef0b1

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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 * bell_mf_tx_tests.c - Test the Bell MF 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: bell_mf_tx_tests.c,v 1.15 2009/05/30 15:23:13 steveu Exp $
26 */
27
28 /*! \file */
29
30 /*! \page bell_mf_tx_tests_page Bell MF generation tests
31 \section bell_mf_tx_tests_page_sec_1 What does it do?
32 ???.
33
34 \section bell_mf_tx_tests_page_sec_2 How does it work?
35 ???.
36 */
37
38 #if defined(HAVE_CONFIG_H)
39 #include "config.h"
40 #endif
41
42 #include <stdlib.h>
43 #include <stdio.h>
44 #include <fcntl.h>
45 #include <string.h>
46 #include <time.h>
47 #include <sndfile.h>
48
49 //#if defined(WITH_SPANDSP_INTERNALS)
50 #define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
51 //#endif
52
53 #include "spandsp.h"
54 #include "spandsp-sim.h"
55
56 #define OUTPUT_FILE_NAME "bell_mf.wav"
57
58 int main(int argc, char *argv[])
59 {
60 bell_mf_tx_state_t *gen;
61 int16_t amp[16384];
62 int len;
63 SNDFILE *outhandle;
64 int outframes;
65 int add_digits;
66
67 if ((outhandle = sf_open_telephony_write(OUTPUT_FILE_NAME, 1)) == NULL)
68 {
69 fprintf(stderr, " Cannot open audio file '%s'\n", OUTPUT_FILE_NAME);
70 exit(2);
71 }
72
73 gen = bell_mf_tx_init(NULL);
74 len = bell_mf_tx(gen, amp, 16384);
75 printf("Generated %d samples\n", len);
76 outframes = sf_writef_short(outhandle, amp, len);
77 if (bell_mf_tx_put(gen, "123", -1))
78 printf("Ooops\n");
79 len = bell_mf_tx(gen, amp, 16384);
80 printf("Generated %d samples\n", len);
81 outframes = sf_writef_short(outhandle, amp, len);
82 if (bell_mf_tx_put(gen, "456", -1))
83 printf("Ooops\n");
84 len = bell_mf_tx(gen, amp, 160);
85 printf("Generated %d samples\n", len);
86 outframes = sf_writef_short(outhandle, amp, len);
87 if (bell_mf_tx_put(gen, "789", -1))
88 printf("Ooops\n");
89 len = bell_mf_tx(gen, amp, 160);
90 printf("Generated %d samples\n", len);
91 outframes = sf_writef_short(outhandle, amp, len);
92 if (bell_mf_tx_put(gen, "*#", -1))
93 printf("Ooops\n");
94 len = bell_mf_tx(gen, amp, 160);
95 printf("Generated %d samples\n", len);
96 outframes = sf_writef_short(outhandle, amp, len);
97 add_digits = 1;
98 do
99 {
100 len = bell_mf_tx(gen, amp, 160);
101 printf("Generated %d samples\n", len);
102 if (len > 0)
103 {
104 outframes = sf_writef_short(outhandle, amp, len);
105 }
106 if (add_digits)
107 {
108 if (bell_mf_tx_put(gen, "1234567890", -1))
109 {
110 printf("Digit buffer full\n");
111 add_digits = 0;
112 }
113 }
114 }
115 while (len > 0);
116
117 bell_mf_tx_init(gen);
118 len = bell_mf_tx(gen, amp, 16384);
119 printf("Generated %d samples\n", len);
120 outframes = sf_writef_short(outhandle, amp, len);
121 if (bell_mf_tx_put(gen, "123", -1))
122 printf("Ooops\n");
123 len = bell_mf_tx(gen, amp, 16384);
124 printf("Generated %d samples\n", len);
125 outframes = sf_writef_short(outhandle, amp, len);
126 if (bell_mf_tx_put(gen, "456", -1))
127 printf("Ooops\n");
128 len = bell_mf_tx(gen, amp, 160);
129 printf("Generated %d samples\n", len);
130 outframes = sf_writef_short(outhandle, amp, len);
131 if (bell_mf_tx_put(gen, "789", -1))
132 printf("Ooops\n");
133 len = bell_mf_tx(gen, amp, 160);
134 printf("Generated %d samples\n", len);
135 outframes = sf_writef_short(outhandle, amp, len);
136 if (bell_mf_tx_put(gen, "0*#", -1))
137 printf("Ooops\n");
138 len = bell_mf_tx(gen, amp, 160);
139 printf("Generated %d samples\n", len);
140 outframes = sf_writef_short(outhandle, amp, len);
141 if (bell_mf_tx_put(gen, "ABC", -1))
142 printf("Ooops\n");
143 len = bell_mf_tx(gen, amp, 160);
144 printf("Generated %d samples\n", len);
145 outframes = sf_writef_short(outhandle, amp, len);
146 add_digits = 1;
147 do
148 {
149 len = bell_mf_tx(gen, amp, 160);
150 printf("Generated %d samples\n", len);
151 if (len > 0)
152 {
153 outframes = sf_writef_short(outhandle, amp, len);
154 }
155 if (add_digits)
156 {
157 if (bell_mf_tx_put(gen, "1234567890", -1))
158 {
159 printf("Digit buffer full\n");
160 add_digits = 0;
161 }
162 }
163 }
164 while (len > 0);
165
166 if (sf_close(outhandle) != 0)
167 {
168 fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_FILE_NAME);
169 exit (2);
170 }
171
172 return 0;
173 }
174 /*- End of function --------------------------------------------------------*/
175 /*- End of file ------------------------------------------------------------*/

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