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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_generate_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_tx_tests.c,v 1.16 2006/12/01 18:00:48 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_tx_tests_page Supervisory tone generation tests
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31 \section super_tone_tx_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 OUT_FILE_NAME "super_tone.wav"
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70
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71 AFfilehandle outhandle;
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72 AFfilesetup filesetup;
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73
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74 super_tone_tx_step_t *tone_tree = NULL;
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75
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76 static void play_tones(super_tone_tx_state_t *tone, int max_samples)
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77 {
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78 int16_t amp[8000];
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79 int len;
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80 int outframes;
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81 int i;
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82 int total_length;
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83
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84 i = 500;
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85 total_length = 0;
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86 do
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87 {
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88 len = super_tone_tx(tone, amp, 160);
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89 outframes = afWriteFrames(outhandle,
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90 AF_DEFAULT_TRACK,
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91 amp,
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92 len);
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93 if (outframes != len)
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94 {
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95 fprintf(stderr, " Error writing wave file\n");
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96 exit(2);
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97 }
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98 total_length += len;
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99 }
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100 while (len > 0 && --i > 0);
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101 printf("Tone length = %d samples (%dms)\n", total_length, total_length/8);
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102 }
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103 /*- End of function --------------------------------------------------------*/
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104
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105 #if defined(HAVE_LIBXML2)
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106 static int parse_tone(super_tone_tx_step_t **tree, xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
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107 {
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108 xmlChar *x;
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109 float f1;
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110 float f2;
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111 float f_tol;
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112 float l1;
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113 float l2;
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114 float length;
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115 float length_tol;
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116 int cycles;
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117 super_tone_tx_step_t *treep;
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118
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119 cur = cur->xmlChildrenNode;
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120 while (cur)
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121 {
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122 if (xmlStrcmp(cur->name, (const xmlChar *) "step") == 0)
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123 {
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124 printf("Step - ");
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125 /* Set some defaults */
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126 f1 = 0.0;
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127 f2 = 0.0;
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128 f_tol = 1.0;
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129 l1 = -11.0;
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130 l2 = -11.0;
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131 length = 0.0;
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132 length_tol = 10.0;
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133 cycles = 1;
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134 if ((x = xmlGetProp(cur, (const xmlChar *) "freq")))
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135 {
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136 sscanf((char *) x, "%f [%f%%]", &f1, &f_tol);
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137 sscanf((char *) x, "%f+%f [%f%%]", &f1, &f2, &f_tol);
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138 printf("Frequency=%.2f+%.2f [%.2f%%]", f1, f2, f_tol);
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139 xmlFree(x);
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140 }
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141 if ((x = xmlGetProp(cur, (const xmlChar *) "level")))
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142 {
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143 if (sscanf((char *) x, "%f+%f", &l1, &l2) < 2)
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144 l2 = l1;
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145 printf("Level=%.2f+%.2f", l1, l2);
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146 xmlFree(x);
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147 }
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148 if ((x = xmlGetProp(cur, (const xmlChar *) "length")))
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149 {
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150 sscanf((char *) x, "%f [%f%%]", &length, &length_tol);
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151 printf("Length=%.2f [%.2f%%]", length, length_tol);
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152 xmlFree(x);
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153 }
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154 if ((x = xmlGetProp(cur, (const xmlChar *) "recognition-length")))
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155 {
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156 printf("Recognition length='%s'", x);
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157 xmlFree(x);
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158 }
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159 if ((x = xmlGetProp(cur, (const xmlChar *) "cycles")))
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160 {
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161 if (strcasecmp((char *) x, "endless") == 0)
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162 cycles = 0;
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163 else
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164 cycles = atoi((char *) x);
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165 printf("Cycles=%d ", cycles);
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166 xmlFree(x);
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167 }
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168 if ((x = xmlGetProp(cur, (const xmlChar *) "recorded-announcement")))
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169 {
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170 printf("Recorded announcement='%s'", x);
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171 xmlFree(x);
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172 }
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173 printf("\n");
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174 treep = super_tone_tx_make_step(NULL,
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175 f1,
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176 l1,
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177 f2,
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178 l2,
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179 length*1000.0 + 0.5,
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180 cycles);
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181 *tree = treep;
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182 tree = &(treep->next);
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183 parse_tone(&(treep->nest), doc, ns, cur);
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184 }
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185 /*endif*/
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186 cur = cur->next;
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187 }
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188 /*endwhile*/
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189 return 0;
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190 }
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191 /*- End of function --------------------------------------------------------*/
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192
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193 static void parse_tone_set(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
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194 {
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195 super_tone_tx_state_t tone;
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196
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197 printf("Parsing tone set\n");
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198 cur = cur->xmlChildrenNode;
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199 while (cur)
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200 {
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201 if (strcmp((char *) cur->name + strlen((char *) cur->name) - 5, "-tone") == 0)
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202 {
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203 printf("Hit %s\n", cur->name);
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204 tone_tree = NULL;
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205 parse_tone(&tone_tree, doc, ns, cur);
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206 super_tone_tx_init(&tone, tone_tree);
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207 printf("Len %p %p %d %d\n", (void *) tone.levels[0], (void *) tone_tree, tone_tree->length, tone_tree->tone);
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208 play_tones(&tone, 99999999);
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209 super_tone_tx_free(tone_tree);
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210 }
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211 /*endif*/
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212 cur = cur->next;
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213 }
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214 /*endwhile*/
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215 }
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216 /*- End of function --------------------------------------------------------*/
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217
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218 static void get_tone_set(const char *tone_file, const char *set_id)
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219 {
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220 xmlDocPtr doc;
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221 xmlNsPtr ns;
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222 xmlNodePtr cur;
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223 #if 0
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224 xmlValidCtxt valid;
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225 #endif
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226 xmlChar *x;
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227
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228 ns = NULL;
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229 xmlKeepBlanksDefault(0);
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230 xmlCleanupParser();
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231 doc = xmlParseFile(tone_file);
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232 if (doc == NULL)
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233 {
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234 fprintf(stderr, "No document\n");
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235 exit(2);
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236 }
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237 /*endif*/
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238 xmlXIncludeProcess(doc);
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239 #if 0
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240 if (!xmlValidateDocument(&valid, doc))
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241 {
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242 fprintf(stderr, "Invalid document\n");
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243 exit(2);
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244 }
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245 /*endif*/
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246 #endif
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247 /* Check the document is of the right kind */
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248 if ((cur = xmlDocGetRootElement(doc)) == NULL)
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249 {
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250 fprintf(stderr, "Empty document\n");
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251 xmlFreeDoc(doc);
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252 exit(2);
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253 }
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254 /*endif*/
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255 if (xmlStrcmp(cur->name, (const xmlChar *) "global-tones"))
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256 {
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257 fprintf(stderr, "Document of the wrong type, root node != global-tones");
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258 xmlFreeDoc(doc);
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259 exit(2);
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260 }
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261 /*endif*/
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262 cur = cur->xmlChildrenNode;
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263 while (cur && xmlIsBlankNode(cur))
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264 cur = cur->next;
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265 /*endwhile*/
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266 if (cur == NULL)
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267 exit(2);
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268 /*endif*/
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269 while (cur)
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270 {
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271 if (xmlStrcmp(cur->name, (const xmlChar *) "tone-set") == 0)
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272 {
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273 if ((x = xmlGetProp(cur, (const xmlChar *) "uncode")))
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274 {
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275 if (strcmp((char *) x, set_id) == 0)
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276 parse_tone_set(doc, ns, cur);
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277 /*endif*/
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278 xmlFree(x);
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279 }
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280 /*endif*/
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281 }
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282 /*endif*/
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283 cur = cur->next;
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284 }
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285 /*endwhile*/
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286 xmlFreeDoc(doc);
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287 }
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288 /*- End of function --------------------------------------------------------*/
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289 #endif
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290
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291 int main(int argc, char *argv[])
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292 {
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293 if ((filesetup = afNewFileSetup ()) == AF_NULL_FILESETUP)
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294 {
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295 fprintf(stderr, " Failed to create file setup\n");
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296 exit(2);
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297 }
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298 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
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299 afInitRate(filesetup, AF_DEFAULT_TRACK, 8000.0);
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300 afInitFileFormat(filesetup, AF_FILE_WAVE);
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301 afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
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302
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303 if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
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304 {
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305 fprintf(stderr, " Cannot open audio file '%s'\n", OUT_FILE_NAME);
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306 exit(2);
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307 }
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308 #if defined(HAVE_LIBXML2)
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309 get_tone_set("../spandsp/global-tones.xml", (argc > 1) ? argv[1] : "hk");
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310 #endif
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311 if (afCloseFile (outhandle) != 0)
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312 {
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313 fprintf(stderr, " Cannot close audio file '%s'\n", OUT_FILE_NAME);
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314 exit(2);
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315 }
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316 afFreeFileSetup(filesetup);
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317 printf("Done\n");
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318 return 0;
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319 }
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320 /*- End of function --------------------------------------------------------*/
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321 /*- End of file ------------------------------------------------------------*/
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