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5
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1 /*
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2 * SpanDSP - a series of DSP components for telephony
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3 *
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4 * bell_mf_tx_tests.c - Test the Bell MF generator.
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5 *
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6 * Written by Steve Underwood <steveu@coppice.org>
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7 *
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8 * Copyright (C) 2003 Steve Underwood
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9 *
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10 * All rights reserved.
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11 *
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12 * This program is free software; you can redistribute it and/or modify
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13 * it under the terms of the GNU General Public License version 2, as
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14 * published by the Free Software Foundation.
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15 *
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16 * This program is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 * GNU General Public License for more details.
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20 *
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21 * You should have received a copy of the GNU General Public License
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22 * along with this program; if not, write to the Free Software
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23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24 *
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25 * $Id: bell_mf_tx_tests.c,v 1.4 2006/11/19 14:07:26 steveu Exp $
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26 */
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27
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28 /*! \file */
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29
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30 /*! \page bell_mf_tx_tests_page Bell MF generation tests
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31 \section bell_mf_tx_tests_page_sec_1 What does it do?
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32 ???.
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33
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34 \section bell_mf_tx_tests_page_sec_2 How does it work?
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35 ???.
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36 */
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37
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38 #ifdef HAVE_CONFIG_H
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39 #include "config.h"
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40 #endif
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41
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42 #include <stdlib.h>
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43 #include <inttypes.h>
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44 #include <string.h>
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45 #if defined(HAVE_TGMATH_H)
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46 #include <tgmath.h>
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47 #endif
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48 #if defined(HAVE_MATH_H)
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49 #include <math.h>
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50 #endif
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51 #include <stdio.h>
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52 #include <time.h>
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53 #include <fcntl.h>
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54 #include <audiofile.h>
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55 #include <tiffio.h>
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56
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57 #include "spandsp.h"
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58
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59 #define OUTPUT_FILE_NAME "bell_mf.wav"
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60
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61 int main(int argc, char *argv[])
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62 {
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63 bell_mf_tx_state_t gen;
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64 int16_t amp[16384];
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65 int len;
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66 AFfilehandle outhandle;
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67 AFfilesetup filesetup;
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68 int outframes;
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69 int add_digits;
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70
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71 filesetup = afNewFileSetup();
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72 if (filesetup == AF_NULL_FILESETUP)
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73 {
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74 fprintf(stderr, " Failed to create file setup\n");
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75 exit(2);
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76 }
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77 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
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78 afInitRate(filesetup, AF_DEFAULT_TRACK, 8000.0);
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79 //afInitCompression(filesetup, AF_DEFAULT_TRACK, AF_COMPRESSION_G711_ALAW);
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80 afInitFileFormat(filesetup, AF_FILE_WAVE);
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81 afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
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82
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83 outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup);
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84 if (outhandle == AF_NULL_FILEHANDLE)
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85 {
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86 fprintf(stderr, " Cannot open wave file '%s'\n", OUTPUT_FILE_NAME);
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87 exit(2);
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88 }
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89
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90 bell_mf_tx_init(&gen);
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91 len = bell_mf_tx(&gen, amp, 16384);
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92 printf("Generated %d samples\n", len);
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93 outframes = afWriteFrames(outhandle,
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94 AF_DEFAULT_TRACK,
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95 amp,
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96 len);
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97 if (bell_mf_tx_put(&gen, "123"))
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98 printf("Ooops\n");
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99 len = bell_mf_tx(&gen, amp, 16384);
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100 printf("Generated %d samples\n", len);
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101 outframes = afWriteFrames(outhandle,
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102 AF_DEFAULT_TRACK,
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103 amp,
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104 len);
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105 if (bell_mf_tx_put(&gen, "456"))
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106 printf("Ooops\n");
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107 len = bell_mf_tx(&gen, amp, 160);
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108 printf("Generated %d samples\n", len);
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109 outframes = afWriteFrames(outhandle,
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110 AF_DEFAULT_TRACK,
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111 amp,
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112 len);
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113 if (bell_mf_tx_put(&gen, "789"))
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114 printf("Ooops\n");
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115 len = bell_mf_tx(&gen, amp, 160);
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116 printf("Generated %d samples\n", len);
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117 outframes = afWriteFrames(outhandle,
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118 AF_DEFAULT_TRACK,
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119 amp,
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120 len);
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121 if (bell_mf_tx_put(&gen, "*#"))
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122 printf("Ooops\n");
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123 len = bell_mf_tx(&gen, amp, 160);
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124 printf("Generated %d samples\n", len);
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125 outframes = afWriteFrames(outhandle,
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126 AF_DEFAULT_TRACK,
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127 amp,
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128 len);
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129 add_digits = 1;
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130 do
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131 {
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132 len = bell_mf_tx(&gen, amp, 160);
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133 printf("Generated %d samples\n", len);
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134 if (len > 0)
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135 {
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136 outframes = afWriteFrames(outhandle,
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137 AF_DEFAULT_TRACK,
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138 amp,
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139 len);
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140 }
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141 if (add_digits)
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142 {
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143 if (bell_mf_tx_put(&gen, "1234567890"))
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144 {
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145 printf("Digit buffer full\n");
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146 add_digits = 0;
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147 }
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148 }
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149 }
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150 while (len > 0);
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151
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152 bell_mf_tx_init(&gen);
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153 len = bell_mf_tx(&gen, amp, 16384);
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154 printf("Generated %d samples\n", len);
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155 outframes = afWriteFrames(outhandle,
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156 AF_DEFAULT_TRACK,
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157 amp,
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158 len);
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159 if (bell_mf_tx_put(&gen, "123"))
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160 printf("Ooops\n");
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161 len = bell_mf_tx(&gen, amp, 16384);
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162 printf("Generated %d samples\n", len);
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163 outframes = afWriteFrames(outhandle,
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164 AF_DEFAULT_TRACK,
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165 amp,
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166 len);
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167 if (bell_mf_tx_put(&gen, "456"))
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168 printf("Ooops\n");
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169 len = bell_mf_tx(&gen, amp, 160);
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170 printf("Generated %d samples\n", len);
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171 outframes = afWriteFrames(outhandle,
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172 AF_DEFAULT_TRACK,
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173 amp,
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174 len);
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175 if (bell_mf_tx_put(&gen, "789"))
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176 printf("Ooops\n");
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177 len = bell_mf_tx(&gen, amp, 160);
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178 printf("Generated %d samples\n", len);
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179 outframes = afWriteFrames(outhandle,
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180 AF_DEFAULT_TRACK,
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181 amp,
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182 len);
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183 if (bell_mf_tx_put(&gen, "0*#"))
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184 printf("Ooops\n");
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185 len = bell_mf_tx(&gen, amp, 160);
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186 printf("Generated %d samples\n", len);
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187 outframes = afWriteFrames(outhandle,
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188 AF_DEFAULT_TRACK,
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189 amp,
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190 len);
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191 if (bell_mf_tx_put(&gen, "ABC"))
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192 printf("Ooops\n");
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193 len = bell_mf_tx(&gen, amp, 160);
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194 printf("Generated %d samples\n", len);
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195 outframes = afWriteFrames(outhandle,
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196 AF_DEFAULT_TRACK,
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197 amp,
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198 len);
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199 add_digits = 1;
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200 do
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201 {
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202 len = bell_mf_tx(&gen, amp, 160);
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203 printf("Generated %d samples\n", len);
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204 if (len > 0)
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205 {
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206 outframes = afWriteFrames(outhandle,
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207 AF_DEFAULT_TRACK,
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208 amp,
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209 len);
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210 }
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211 if (add_digits)
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212 {
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213 if (bell_mf_tx_put(&gen, "1234567890"))
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214 {
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215 printf("Digit buffer full\n");
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216 add_digits = 0;
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217 }
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218 }
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219 }
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220 while (len > 0);
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221
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222 if (afCloseFile(outhandle) != 0)
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223 {
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224 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
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225 exit (2);
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226 }
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227 afFreeFileSetup(filesetup);
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228
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229 return 0;
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230 }
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231 /*- End of function --------------------------------------------------------*/
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232 /*- End of file ------------------------------------------------------------*/
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