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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 * g168tests.c - Tests of the "test equipment" (filters, etc.) specified
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5 * in G.168. This code is only for checking out the tools,
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6 * not for testing an echo cancellor.
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7 *
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8 * Written by Steve Underwood <steveu@coppice.org>
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9 *
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10 * Copyright (C) 2001 Steve Underwood
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11 *
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12 * All rights reserved.
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13 *
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14 * This program is free software; you can redistribute it and/or modify
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15 * it under the terms of the GNU General Public License version 2, as
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16 * published by the Free Software Foundation.
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17 *
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18 * This program is distributed in the hope that it will be useful,
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19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 * GNU General Public License for more details.
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22 *
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23 * You should have received a copy of the GNU General Public License
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24 * along with this program; if not, write to the Free Software
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25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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26 *
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27 * $Id: g168_tests.c,v 1.10 2006/11/23 15:48:09 steveu Exp $
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28 */
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29
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30 #ifdef HAVE_CONFIG_H
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31 #include "config.h"
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32 #endif
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33
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34 #include <inttypes.h>
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35 #include <stdlib.h>
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36 #include <stdio.h>
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37 #include <string.h>
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38 #if defined(HAVE_TGMATH_H)
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39 #include <tgmath.h>
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40 #endif
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41 #if defined(HAVE_MATH_H)
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42 #include <math.h>
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43 #endif
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44 #include <tiffio.h>
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45
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46 #include "spandsp.h"
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47 #include "spandsp/g168models.h"
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48
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49 #define FALSE 0
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50 #define TRUE (!FALSE)
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51
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52 int main (int argc, char *argv[])
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53 {
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54 int f;
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55 int i;
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56 int16_t amp[8000];
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57 int signal;
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58 int power[10];
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59 tone_gen_descriptor_t tone_desc;
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60 tone_gen_state_t tone_state;
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61 fir32_state_t line_model_d2;
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62 fir32_state_t line_model_d3;
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63 fir32_state_t line_model_d4;
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64 fir32_state_t line_model_d5;
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65 fir32_state_t line_model_d6;
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66 fir32_state_t line_model_d7;
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67 fir32_state_t line_model_d8;
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68 fir_float_state_t level_measurement_bp;
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69
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70 fir32_create(&line_model_d2,
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71 line_model_d2_coeffs,
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72 sizeof(line_model_d2_coeffs)/sizeof(int32_t));
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73 fir32_create(&line_model_d3,
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74 line_model_d3_coeffs,
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75 sizeof(line_model_d3_coeffs)/sizeof(int32_t));
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76 fir32_create(&line_model_d4,
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77 line_model_d4_coeffs,
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78 sizeof(line_model_d4_coeffs)/sizeof(int32_t));
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79 fir32_create(&line_model_d5,
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80 line_model_d5_coeffs,
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81 sizeof(line_model_d5_coeffs)/sizeof(int32_t));
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82 fir32_create(&line_model_d6,
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83 line_model_d6_coeffs,
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84 sizeof(line_model_d6_coeffs)/sizeof(int32_t));
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85 fir32_create(&line_model_d7,
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86 line_model_d7_coeffs,
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87 sizeof(line_model_d7_coeffs)/sizeof(int32_t));
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88 fir32_create(&line_model_d8,
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89 line_model_d8_coeffs,
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90 sizeof(line_model_d8_coeffs)/sizeof(int32_t));
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91 fir_float_create(&level_measurement_bp,
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92 level_measurement_bp_coeffs,
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93 sizeof(level_measurement_bp_coeffs)/sizeof(float));
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94
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95 for (f = 10; f < 4000; f++)
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96 {
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97 make_tone_gen_descriptor(&tone_desc,
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98 f,
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99 -10,
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100 0,
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101 0,
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102 1,
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103 0,
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104 0,
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105 0,
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106 TRUE);
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107 tone_gen_init(&tone_state, &tone_desc);
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108 tone_gen(&tone_state, amp, 8000);
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109 memset(power, '\0', sizeof (power));
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110 for (i = 0; i < 800; i++)
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111 {
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112 signal = fir32(&line_model_d2, amp[i]);
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113 power[0] += ((abs(signal) - power[0]) >> 5);
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114 signal = fir32(&line_model_d3, amp[i]);
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115 power[1] += ((abs(signal) - power[1]) >> 5);
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116 signal = fir32(&line_model_d4, amp[i]);
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117 power[2] += ((abs(signal) - power[2]) >> 5);
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118 signal = fir32(&line_model_d5, amp[i]);
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119 power[3] += ((abs(signal) - power[3]) >> 5);
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120 signal = fir32(&line_model_d6, amp[i]);
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121 power[4] += ((abs(signal) - power[4]) >> 5);
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122 signal = fir32(&line_model_d7, amp[i]);
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123 power[5] += ((abs(signal) - power[5]) >> 5);
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124 signal = fir32(&line_model_d8, amp[i]);
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125 power[6] += ((abs(signal) - power[6]) >> 5);
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126 signal = fir_float(&level_measurement_bp, amp[i]);
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127 power[7] += ((abs(signal) - power[7]) >> 5);
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128 }
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129 printf("%d %d %d %d %d %d %d %d %d\n",
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130 f,
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131 power[0],
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132 power[1],
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133 power[2],
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134 power[3],
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135 power[4],
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136 power[5],
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137 power[6],
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138 power[7]);
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139 }
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140
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141 for (i = 0; i < (int) (sizeof(css_c1)/sizeof(css_c1[0])); i++)
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142 printf("%d\n", css_c1[i]);
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143 printf("\n");
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144 for (i = 0; i < (int) (sizeof(css_c1)/sizeof(css_c3[0])); i++)
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145 printf("%d\n", css_c3[i]);
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146 return 0;
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147 }
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148 /*- End of function --------------------------------------------------------*/
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149 /*- End of file ------------------------------------------------------------*/
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