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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 * super_tone_detect_tests.c
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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: super_tone_rx_tests.c,v 1.18 2006/11/20 13:58:57 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 super_tone_rx_tests_page Supervisory tone detection tests
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31 \section super_tone_rx_tests_page_sec_1 What does it do?
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32 */
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33
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34 #ifdef HAVE_CONFIG_H
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35 #include "config.h"
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36 #endif
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37
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38 #include <stdlib.h>
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39 #include <string.h>
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40 #include <strings.h>
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41 #include <stdio.h>
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42 #include <fcntl.h>
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43 #include <ctype.h>
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44 #include <time.h>
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45 #include <inttypes.h>
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46 #include <sys/socket.h>
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47 #if defined(HAVE_TGMATH_H)
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48 #include <tgmath.h>
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49 #endif
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50 #if defined(HAVE_MATH_H)
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51 #include <math.h>
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52 #endif
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53
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54 #if defined(HAVE_LIBXML_XMLMEMORY_H)
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55 #include <libxml/xmlmemory.h>
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56 #endif
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57 #if defined(HAVE_LIBXML_PARSER_H)
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58 #include <libxml/parser.h>
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59 #endif
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60 #if defined(HAVE_LIBXML_XINCLUDE_H)
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61 #include <libxml/xinclude.h>
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62 #endif
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63
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64 #include <audiofile.h>
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65 #include <tiffio.h>
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66
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67 #include "spandsp.h"
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68
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69 #define IN_FILE_NAME "super_tone.wav"
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70 #define BELLCORE_DIR "../itutests/bellcore/"
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71
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72 const char *bellcore_files[] =
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73 {
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74 BELLCORE_DIR "tr-tsy-00763-1.wav",
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75 BELLCORE_DIR "tr-tsy-00763-2.wav",
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76 BELLCORE_DIR "tr-tsy-00763-3.wav",
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77 BELLCORE_DIR "tr-tsy-00763-4.wav",
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78 BELLCORE_DIR "tr-tsy-00763-5.wav",
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79 BELLCORE_DIR "tr-tsy-00763-6.wav",
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80 ""
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81 };
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82
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83 const char *tone_names[20] = {NULL};
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84
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85 AFfilehandle inhandle;
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86
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87 super_tone_rx_segment_t tone_segments[20][10];
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88
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89 super_tone_tx_step_t *dialtone_tree = NULL;
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90 super_tone_tx_step_t *ringback_tree = NULL;
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91 super_tone_tx_step_t *busytone_tree = NULL;
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92 super_tone_tx_step_t *nutone_tree = NULL;
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93 super_tone_tx_step_t *congestiontone_tree = NULL;
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94 super_tone_tx_step_t *waitingtone_tree = NULL;
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95
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96 #if defined(HAVE_LIBXML2)
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97 static int parse_tone(super_tone_rx_descriptor_t *desc, int tone_id, super_tone_tx_step_t **tree, xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
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98 {
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99 xmlChar *x;
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100 float f1;
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101 float f2;
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102 float f_tol;
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103 float l1;
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104 float l2;
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105 float length;
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106 float length_tol;
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107 float recognition_length;
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108 float recognition_length_tol;
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109 int cycles;
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110 super_tone_tx_step_t *treep;
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111 int min_duration;
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112 int max_duration;
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113
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114 cur = cur->xmlChildrenNode;
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115 while (cur)
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116 {
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117 if (xmlStrcmp(cur->name, (const xmlChar *) "step") == 0)
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118 {
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119 printf("Step - ");
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120 /* Set some defaults */
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121 f1 = 0.0;
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122 f2 = 0.0;
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123 f_tol = 1.0;
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124 l1 = -11.0;
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125 l2 = -11.0;
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126 length = 0.0;
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127 length_tol = 10.0;
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128 recognition_length = 0.0;
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129 recognition_length_tol = 10.0;
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130 cycles = 1;
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131 if ((x = xmlGetProp(cur, (const xmlChar *) "freq")))
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132 {
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133 sscanf((char *) x, "%f [%f%%]", &f1, &f_tol);
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134 sscanf((char *) x, "%f+%f [%f%%]", &f1, &f2, &f_tol);
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135 printf(" Frequency=%.2f+%.2f [%.2f%%]", f1, f2, f_tol);
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136 }
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137 if ((x = xmlGetProp(cur, (const xmlChar *) "level")))
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138 {
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139 if (sscanf((char *) x, "%f+%f", &l1, &l2) < 2)
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140 l2 = l1;
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141 printf(" Level=%.2f+%.2f", l1, l2);
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142 }
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143 if ((x = xmlGetProp(cur, (const xmlChar *) "length")))
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144 {
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145 sscanf((char *) x, "%f [%f%%]", &length, &length_tol);
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146 printf(" Length=%.2f [%.2f%%]", length, length_tol);
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147 }
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148 if ((x = xmlGetProp(cur, (const xmlChar *) "recognition-length")))
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149 {
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150 sscanf((char *) x, "%f [%f%%]", &recognition_length, &recognition_length_tol);
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151 printf(" Recognition length=%.2f [%.2f%%]", recognition_length, recognition_length_tol);
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152 }
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153 if ((x = xmlGetProp(cur, (const xmlChar *) "cycles")))
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154 {
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155 if (strcasecmp((char *) x, "endless") == 0)
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156 cycles = 0;
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157 else
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158 cycles = atoi((char *) x);
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159 printf(" Cycles='%d' ", cycles);
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160 }
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161 if ((x = xmlGetProp(cur, (const xmlChar *) "recorded-announcement")))
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162 printf(" Recorded announcement='%s'", x);
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163 printf("\n");
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164 if (f1 || f2 || length)
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165 {
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166 /* TODO: This cannot handle cycling patterns */
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167 if (length == 0.0)
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168 {
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169 if (recognition_length)
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170 min_duration = recognition_length*1000.0 + 0.5;
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171 else
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172 min_duration = 700;
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173 max_duration = 0;
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174 }
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175 else
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176 {
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177 if (recognition_length)
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178 min_duration = recognition_length*1000.0 + 0.5;
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179 else
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180 min_duration = (length*1000.0 + 0.5)*(1.0 - length_tol/100.0) - 30;
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181 max_duration = (length*1000.0 + 0.5)*(1.0 + length_tol/100.0) + 30;
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182 }
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183 printf(">>>Detector element %10d %10d %10d %10d\n", (int) (f1 + 0.5), (int) (f2 + 0.5), min_duration, max_duration);
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184 super_tone_rx_add_element(desc, tone_id, f1 + 0.5, f2 + 0.5, min_duration, max_duration);
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185 }
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186 treep = super_tone_tx_make_step(NULL,
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187 f1,
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188 l1,
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189 f2,
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190 l2,
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191 length*1000.0 + 0.5,
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192 cycles);
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193 *tree = treep;
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194 tree = &(treep->next);
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195 parse_tone(desc, tone_id, &(treep->nest), doc, ns, cur);
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196 }
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197 /*endif*/
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198 cur = cur->next;
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199 }
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200 /*endwhile*/
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201 return 0;
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202 }
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203 /*- End of function --------------------------------------------------------*/
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204
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205 static void parse_tone_set(super_tone_rx_descriptor_t *desc, xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
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206 {
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207 int tone_id;
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208
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209 printf("Parsing tone set\n");
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210 cur = cur->xmlChildrenNode;
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211 while (cur)
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212 {
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213 if (strcmp((char *) cur->name, "dial-tone") == 0)
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214 {
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215 printf("Hit %s\n", cur->name);
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216 tone_id = super_tone_rx_add_tone(desc);
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217 dialtone_tree = NULL;
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218 parse_tone(desc, tone_id, &dialtone_tree, doc, ns, cur);
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219 tone_names[tone_id] = "Dial tone";
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220 }
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221 else if (strcmp((char *) cur->name, "ringback-tone") == 0)
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222 {
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223 printf("Hit %s\n", cur->name);
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224 tone_id = super_tone_rx_add_tone(desc);
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225 ringback_tree = NULL;
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226 parse_tone(desc, tone_id, &ringback_tree, doc, ns, cur);
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227 tone_names[tone_id] = "Ringback tone";
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228 }
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229 else if (strcmp((char *) cur->name, "busy-tone") == 0)
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230 {
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231 printf("Hit %s\n", cur->name);
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232 tone_id = super_tone_rx_add_tone(desc);
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233 busytone_tree = NULL;
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234 parse_tone(desc, tone_id, &busytone_tree, doc, ns, cur);
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235 tone_names[tone_id] = "Busy tone";
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236 }
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237 else if (strcmp((char *) cur->name, "number-unobtainable-tone") == 0)
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238 {
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239 printf("Hit %s\n", cur->name);
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240 tone_id = super_tone_rx_add_tone(desc);
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241 nutone_tree = NULL;
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242 parse_tone(desc, tone_id, &nutone_tree, doc, ns, cur);
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243 tone_names[tone_id] = "NU tone";
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244 }
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245 else if (strcmp((char *) cur->name, "congestion-tone") == 0)
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246 {
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247 printf("Hit %s\n", cur->name);
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248 tone_id = super_tone_rx_add_tone(desc);
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249 congestiontone_tree = NULL;
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250 parse_tone(desc, tone_id, &congestiontone_tree, doc, ns, cur);
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251 tone_names[tone_id] = "Congestion tone";
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252 }
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253 else if (strcmp((char *) cur->name, "waiting-tone") == 0)
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254 {
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255 printf("Hit %s\n", cur->name);
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256 tone_id = super_tone_rx_add_tone(desc);
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257 waitingtone_tree = NULL;
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258 parse_tone(desc, tone_id, &waitingtone_tree, doc, ns, cur);
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259 tone_names[tone_id] = "Waiting tone";
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260 }
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261 /*endif*/
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262 cur = cur->next;
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263 }
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264 /*endwhile*/
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265 }
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266 /*- End of function --------------------------------------------------------*/
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267
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268 static void get_tone_set(super_tone_rx_descriptor_t *desc, const char *tone_file, const char *set_id)
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269 {
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270 xmlDocPtr doc;
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271 xmlNsPtr ns;
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272 xmlNodePtr cur;
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273 #if 0
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274 xmlValidCtxt valid;
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275 #endif
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276 xmlChar *x;
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277
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278 ns = NULL;
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279 xmlKeepBlanksDefault(0);
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280 xmlCleanupParser();
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281 doc = xmlParseFile(tone_file);
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282 if (doc == NULL)
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283 {
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284 fprintf(stderr, "No document\n");
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285 exit(2);
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286 }
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287 /*endif*/
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288 xmlXIncludeProcess(doc);
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289 #if 0
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290 if (!xmlValidateDocument(&valid, doc))
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291 {
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292 fprintf(stderr, "Invalid document\n");
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293 exit(2);
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294 }
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295 /*endif*/
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296 #endif
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297 /* Check the document is of the right kind */
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298 if ((cur = xmlDocGetRootElement(doc)) == NULL)
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299 {
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300 fprintf(stderr, "Empty document\n");
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301 xmlFreeDoc(doc);
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302 exit(2);
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303 }
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304 /*endif*/
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305 if (xmlStrcmp(cur->name, (const xmlChar *) "global-tones"))
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306 {
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307 fprintf(stderr, "Document of the wrong type, root node != global-tones");
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308 xmlFreeDoc(doc);
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309 exit(2);
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310 }
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311 /*endif*/
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312 cur = cur->xmlChildrenNode;
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313 while (cur && xmlIsBlankNode (cur))
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314 cur = cur->next;
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315 /*endwhile*/
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316 if (cur == NULL)
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317 exit(2);
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318 /*endif*/
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319 while (cur)
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320 {
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321 if (xmlStrcmp(cur->name, (const xmlChar *) "tone-set") == 0)
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322 {
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323 if ((x = xmlGetProp(cur, (const xmlChar *) "uncode")))
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324 {
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325 if (strcmp((char *) x, set_id) == 0)
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326 parse_tone_set(desc, doc, ns, cur);
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327 }
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328 /*endif*/
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329 }
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330 /*endif*/
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331 cur = cur->next;
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332 }
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333 /*endwhile*/
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334 xmlFreeDoc(doc);
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335 }
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336 /*- End of function --------------------------------------------------------*/
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337 #endif
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338
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339 static void super_tone_rx_fill_descriptor(super_tone_rx_descriptor_t *desc)
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340 {
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341 int tone_id;
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342
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343 tone_id = super_tone_rx_add_tone(desc);
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344 super_tone_rx_add_element(desc, tone_id, 400, 0, 700, 0);
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345 tone_names[tone_id] = "XXX";
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346
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347 tone_id = super_tone_rx_add_tone(desc);
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348 super_tone_rx_add_element(desc, tone_id, 1100, 0, 400, 600);
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349 super_tone_rx_add_element(desc, tone_id, 0, 0, 2800, 3200);
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350 tone_names[tone_id] = "FAX tone";
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351 }
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352 /*- End of function --------------------------------------------------------*/
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353
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354 static void wakeup(void *data, int code)
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355 {
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356 if (code >= 0)
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357 printf("Current tone is %d '%s' '%s'\n", code, (tone_names[code]) ? tone_names[code] : "???", (char *) data);
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358 else
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359 printf("Tone off '%s'\n", (char *) data);
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360 }
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361 /*- End of function --------------------------------------------------------*/
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362
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363 static void tone_segment(void *data, int f1, int f2, int duration)
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364 {
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365 if (f1 < 0)
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366 printf("Result %5d silence\n", duration);
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367 else if (f2 < 0)
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368 printf("Result %5d %4d\n", duration, f1);
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369 else
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370 printf("Result %5d %4d + %4d\n", duration, f1, f2);
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371 }
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372 /*- End of function --------------------------------------------------------*/
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373
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374 int main(int argc, char *argv[])
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375 {
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376 int x;
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377 int16_t amp[8000];
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378 int sample;
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379 int frames;
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380 awgn_state_t noise_source;
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381 super_tone_rx_state_t *super;
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382 super_tone_rx_descriptor_t desc;
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383
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384 if ((inhandle = afOpenFile(IN_FILE_NAME, "r", 0)) == AF_NULL_FILEHANDLE)
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385 {
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386 fprintf(stderr, " Cannot open wave file '%s'\n", IN_FILE_NAME);
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387 exit(2);
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388 }
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389 if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
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390 {
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391 printf(" Unexpected frame size in wave file '%s'\n", IN_FILE_NAME);
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392 exit(2);
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393 }
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394 if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
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395 {
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396 printf(" Unexpected sample rate in wave file '%s'\n", IN_FILE_NAME);
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397 exit(2);
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398 }
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399 if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
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400 {
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401 printf(" Unexpected number of channels in wave file '%s'\n", IN_FILE_NAME);
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402 exit(2);
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403 }
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404 super_tone_rx_make_descriptor(&desc);
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405 #if defined(HAVE_LIBXML2)
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406 get_tone_set(&desc, "../spandsp/global-tones.xml", (argc > 1) ? argv[1] : "hk");
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407 #endif
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408 super_tone_rx_fill_descriptor(&desc);
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409 if ((super = super_tone_rx_init(NULL, &desc, wakeup, (void *) "test")) == NULL)
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410 {
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411 printf(" Failed to create detector.\n");
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412 exit(2);
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413 }
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414 super_tone_rx_segment_callback(super, tone_segment);
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415 awgn_init_dbm0(&noise_source, 1234567, -30.0f);
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416 printf("Processing file\n");
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417 while ((frames = afReadFrames(inhandle, AF_DEFAULT_TRACK, amp, 8000)))
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418 {
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419 /* Add some noise to the signal for a more meaningful test. */
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420 //for (sample = 0; sample < frames; sample++)
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421 // amp[sample] += saturate(amp[sample] + awgn (&noise_source));
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422 for (sample = 0; sample < frames; )
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423 {
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424 x = super_tone_rx(super, amp + sample, frames - sample);
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425 sample += x;
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426 }
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427 }
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428 if (afCloseFile(inhandle))
|
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429 {
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430 fprintf(stderr, " Cannot close audio file '%s'\n", IN_FILE_NAME);
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431 exit(2);
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432 }
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433 #if 0
|
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434 /* Test for voice immunity */
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435 for (j = 0; bellcore_files[j][0]; j++)
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436 {
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437 if ((inhandle = afOpenFile(bellcore_files[j], "r", 0)) == AF_NULL_FILEHANDLE)
|
|
|
438 {
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439 printf(" Cannot open wave file '%s'\n", bellcore_files[j]);
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440 exit(2);
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|
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441 }
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442 if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
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|
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443 {
|
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444 printf(" Unexpected frame size in wave file '%s'\n", bellcore_files[j]);
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|
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445 exit(2);
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446 }
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447 if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
|
|
|
448 {
|
|
|
449 printf(" Unexpected sample rate in wave file '%s'\n", bellcore_files[j]);
|
|
|
450 exit(2);
|
|
|
451 }
|
|
|
452 if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
|
|
|
453 {
|
|
|
454 printf(" Unexpected number of channels in wave file '%s'\n", bellcore_files[j]);
|
|
|
455 exit(2);
|
|
|
456 }
|
|
|
457 while ((frames = afReadFrames(inhandle, AF_DEFAULT_TRACK, amp, 8000)))
|
|
|
458 {
|
|
|
459 for (sample = 0; sample < frames; )
|
|
|
460 {
|
|
|
461 x = super_tone_rx(super, amp + sample, frames - sample);
|
|
|
462 sample += x;
|
|
|
463 }
|
|
|
464 }
|
|
|
465 if (afCloseFile(inhandle) != 0)
|
|
|
466 {
|
|
|
467 printf(" Cannot close speech file '%s'\n", bellcore_files[j]);
|
|
|
468 exit(2);
|
|
|
469 }
|
|
|
470 }
|
|
|
471 #endif
|
|
|
472 super_tone_rx_free(super);
|
|
|
473 printf("Done\n");
|
|
|
474 return 0;
|
|
|
475 }
|
|
|
476 /*- End of function --------------------------------------------------------*/
|
|
|
477 /*- End of file ------------------------------------------------------------*/
|
