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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 * 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) 2001 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: tone_generate_tests.c,v 1.13 2006/11/23 15:32:23 steveu Exp $
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26 */
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27
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28 /*! \page tone_generate_tests_page Tone generation tests
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29 \section tone_generate_tests_page_sec_1 What does it do?
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30 */
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31
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32 #ifdef HAVE_CONFIG_H
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33 #include "config.h"
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34 #endif
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35
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36 #include <stdlib.h>
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37 #include <inttypes.h>
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38 #include <string.h>
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39 #include <stdio.h>
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40 #if defined(HAVE_TGMATH_H)
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41 #include <tgmath.h>
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42 #endif
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43 #if defined(HAVE_MATH_H)
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44 #include <math.h>
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45 #endif
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46 #include <time.h>
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47 #include <fcntl.h>
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48 #include <audiofile.h>
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49 #include <tiffio.h>
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50
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51 #include "spandsp.h"
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52
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53 #define OUTPUT_FILE_NAME "tone_generate.wav"
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54
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55 int main(int argc, char *argv[])
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56 {
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57 tone_gen_descriptor_t tone_desc;
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58 tone_gen_state_t tone_state;
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59 int i;
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60 int16_t amp[16384];
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61 int len;
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62 AFfilehandle outhandle;
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63 AFfilesetup filesetup;
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64 int outframes;
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65
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66 filesetup = afNewFileSetup ();
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67 if (filesetup == AF_NULL_FILESETUP)
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68 {
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69 fprintf(stderr, " Failed to create file setup\n");
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70 exit(2);
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71 }
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72 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
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73 afInitRate(filesetup, AF_DEFAULT_TRACK, 8000.0);
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74 //afInitCompression(filesetup, AF_DEFAULT_TRACK, AF_COMPRESSION_G711_ALAW);
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75 afInitFileFormat(filesetup, AF_FILE_WAVE);
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76 afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
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77
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78 outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup);
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79 if (outhandle == AF_NULL_FILEHANDLE)
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80 {
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81 fprintf(stderr, " Cannot open wave file '%s'\n", OUTPUT_FILE_NAME);
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82 exit(2);
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83 }
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84
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85 make_tone_gen_descriptor(&tone_desc,
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86 440,
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87 -10,
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88 620,
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89 -15,
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90 100,
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91 200,
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92 300,
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93 400,
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94 FALSE);
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95 tone_gen_init(&tone_state, &tone_desc);
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96
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97 for (i = 0; i < 1000; i++)
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98 {
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99 len = tone_gen(&tone_state, amp, 160);
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100 printf("Generated %d samples\n", len);
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101 if (len <= 0)
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102 break;
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103 outframes = afWriteFrames(outhandle,
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104 AF_DEFAULT_TRACK,
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105 amp,
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106 len);
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107 }
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108
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109 make_tone_gen_descriptor(&tone_desc,
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110 350,
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111 -10,
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112 440,
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113 -15,
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114 100,
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115 200,
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116 300,
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117 400,
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118 TRUE);
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119 tone_gen_init(&tone_state, &tone_desc);
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120
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121 for (i = 0; i < 1000; i++)
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122 {
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123 len = tone_gen(&tone_state, amp, 160);
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124 printf("Generated %d samples\n", len);
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125 if (len <= 0)
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126 break;
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127 outframes = afWriteFrames(outhandle,
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128 AF_DEFAULT_TRACK,
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129 amp,
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130 len);
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131 }
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132
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133 make_tone_gen_descriptor(&tone_desc,
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134 400,
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135 -10,
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136 450,
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137 -10,
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138 100,
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139 200,
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140 300,
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141 400,
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142 TRUE);
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143 tone_gen_init(&tone_state, &tone_desc);
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144
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145 for (i = 0; i < 1000; i++)
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146 {
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147 len = tone_gen(&tone_state, amp, 160);
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148 printf("Generated %d samples\n", len);
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149 if (len <= 0)
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150 break;
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151 outframes = afWriteFrames(outhandle,
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152 AF_DEFAULT_TRACK,
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153 amp,
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154 len);
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155 }
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156
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157 make_tone_gen_descriptor(&tone_desc,
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158 425,
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159 -10,
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160 -50,
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161 100,
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162 100,
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163 200,
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164 300,
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165 400,
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166 TRUE);
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167 tone_gen_init(&tone_state, &tone_desc);
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168
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169 for (i = 0; i < 1000; i++)
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170 {
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171 len = tone_gen(&tone_state, amp, 160);
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172 printf("Generated %d samples\n", len);
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173 if (len <= 0)
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174 break;
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175 outframes = afWriteFrames(outhandle,
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176 AF_DEFAULT_TRACK,
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177 amp,
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178 len);
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179 }
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180
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181 if (afCloseFile(outhandle) != 0)
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182 {
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183 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
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184 exit (2);
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185 }
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186 afFreeFileSetup(filesetup);
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187
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188 return 0;
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189 }
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190 /*- End of function --------------------------------------------------------*/
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191 /*- End of file ------------------------------------------------------------*/
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