1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * tsb85_tests.c
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2008 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License version 2.1,
14 * as published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26 /*! \file */
27
28 #if defined(HAVE_CONFIG_H)
29 #include "config.h"
30 #endif
31
32 #include <inttypes.h>
33 #include <stdlib.h>
34 #include <stdio.h>
35 #include <string.h>
36 #include <ctype.h>
37 #if defined(HAVE_TGMATH_H)
38 #include <tgmath.h>
39 #endif
40 #if defined(HAVE_MATH_H)
41 #include <math.h>
42 #endif
43 #include "floating_fudge.h"
44 #include <assert.h>
45 #include <fcntl.h>
46 #include <time.h>
47 #include <unistd.h>
48 #include <sndfile.h>
49
50 #if defined(HAVE_LIBXML_XMLMEMORY_H)
51 #include <libxml/xmlmemory.h>
52 #endif
53 #if defined(HAVE_LIBXML_PARSER_H)
54 #include <libxml/parser.h>
55 #endif
56 #if defined(HAVE_LIBXML_XINCLUDE_H)
57 #include <libxml/xinclude.h>
58 #endif
59
60 #include "spandsp.h"
61 #include "spandsp-sim.h"
62
63 #include "fax_utils.h"
64 #include "fax_tester.h"
65
66 #define OUTPUT_TIFF_FILE_NAME "tsb85.tif"
67
68 #define OUTPUT_WAVE_FILE_NAME "tsb85.wav"
69
70 #define SAMPLES_PER_CHUNK 160
71
72 SNDFILE *out_handle;
73
74 const char *output_tiff_file_name;
75
76 bool log_audio = false;
77
78 faxtester_state_t *state;
79
exchange(faxtester_state_t * s)80 static void exchange(faxtester_state_t *s)
81 {
82 int16_t amp[SAMPLES_PER_CHUNK];
83 int16_t out_amp[2*SAMPLES_PER_CHUNK];
84 int len;
85 int i;
86 int total_audio_time;
87 logging_state_t *logging;
88
89 output_tiff_file_name = OUTPUT_TIFF_FILE_NAME;
90
91 if (log_audio)
92 {
93 if ((out_handle = sf_open_telephony_write(OUTPUT_WAVE_FILE_NAME, 2)) == NULL)
94 {
95 fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
96 printf("Test failed\n");
97 exit(2);
98 }
99 /*endif*/
100 }
101 /*endif*/
102
103 total_audio_time = 0;
104
105 faxtester_set_transmit_on_idle(s, true);
106
107 s->far_fax = fax_init(NULL, false);
108 s->far_t30 = fax_get_t30_state(s->far_fax);
109 s->far_tag = 'A';
110
111 if (s->far_fax)
112 logging = fax_get_logging_state(s->far_fax);
113 else
114 logging = t38_terminal_get_logging_state(s->far_t38);
115 span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
116 span_log_set_tag(logging, "A");
117
118 logging = t30_get_logging_state(s->far_t30);
119 span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
120 span_log_set_tag(logging, "A");
121
122 #if 0
123 span_log_set_level(&fax.modems.v27ter_rx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
124 span_log_set_tag(&fax.modems.v27ter_rx.logging, "A");
125 span_log_set_level(&fax.modems.v29_rx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
126 span_log_set_tag(&fax.modems.v29_rx.logging, "A");
127 span_log_set_level(&fax.modems.v17_rx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
128 span_log_set_tag(&fax.modems.v17_rx.logging, "A");
129 #endif
130 while (faxtester_next_step(s) == 0)
131 ;
132 /*endwhile*/
133 for (;;)
134 {
135 len = fax_tx(s->far_fax, amp, SAMPLES_PER_CHUNK);
136 faxtester_rx(s, amp, len);
137 if (log_audio)
138 {
139 for (i = 0; i < len; i++)
140 out_amp[2*i + 0] = amp[i];
141 /*endfor*/
142 }
143 /*endif*/
144
145 total_audio_time += SAMPLES_PER_CHUNK;
146
147 logging = t30_get_logging_state(s->far_t30);
148 span_log_bump_samples(logging, len);
149 #if 0
150 span_log_bump_samples(&fax.modems.v27ter_rx.logging, len);
151 span_log_bump_samples(&fax.modems.v29_rx.logging, len);
152 span_log_bump_samples(&fax.modems.v17_rx.logging, len);
153 #endif
154 logging = fax_get_logging_state(s->far_fax);
155 span_log_bump_samples(logging, len);
156
157 logging = faxtester_get_logging_state(s);
158 span_log_bump_samples(logging, len);
159
160 len = faxtester_tx(s, amp, SAMPLES_PER_CHUNK);
161 if (fax_rx(s->far_fax, amp, len))
162 break;
163 /*endif*/
164 if (log_audio)
165 {
166 for (i = 0; i < len; i++)
167 out_amp[2*i + 1] = amp[i];
168 /*endfor*/
169 if (sf_writef_short(out_handle, out_amp, SAMPLES_PER_CHUNK) != SAMPLES_PER_CHUNK)
170 break;
171 /*endif*/
172 }
173 /*endif*/
174 if (s->test_for_call_clear && !s->far_end_cleared_call)
175 {
176 s->call_clear_timer += len;
177 if (!t30_call_active(s->far_t30))
178 {
179 span_log(faxtester_get_logging_state(s), SPAN_LOG_FLOW, "Far end cleared after %dms (limits %dms to %dms)\n", s->call_clear_timer/8, s->timein_x, s->timeout);
180 if (s->call_clear_timer/8 < s->timein_x || s->call_clear_timer/8 > s->timeout_x)
181 {
182 printf("Test failed\n");
183 exit(2);
184 }
185 span_log(faxtester_get_logging_state(s), SPAN_LOG_FLOW, "Clear time OK\n");
186 s->far_end_cleared_call = true;
187 s->test_for_call_clear = false;
188 while (faxtester_next_step(s) == 0)
189 ;
190 /*endwhile*/
191 }
192 /*endif*/
193 }
194 /*endif*/
195 }
196 /*endfor*/
197 if (log_audio)
198 {
199 if (sf_close_telephony(out_handle))
200 {
201 fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
202 printf("Test failed\n");
203 exit(2);
204 }
205 /*endif*/
206 }
207 /*endif*/
208 }
209 /*- End of function --------------------------------------------------------*/
210
main(int argc,char * argv[])211 int main(int argc, char *argv[])
212 {
213 const char *xml_file_name;
214 const char *test_name;
215 logging_state_t *logging;
216 int opt;
217
218 #if 0
219 string_test();
220 #endif
221
222 xml_file_name = "../spandsp/tsb85.xml";
223 test_name = "MRGN01";
224 log_audio = false;
225 while ((opt = getopt(argc, argv, "lx:")) != -1)
226 {
227 switch (opt)
228 {
229 case 'l':
230 log_audio = true;
231 break;
232 case 'x':
233 xml_file_name = optarg;
234 break;
235 default:
236 //usage();
237 exit(2);
238 break;
239 }
240 }
241 argc -= optind;
242 argv += optind;
243 if (argc > 0)
244 test_name = argv[0];
245
246 if ((state = faxtester_init(NULL, xml_file_name, test_name)) == NULL)
247 {
248 fprintf(stderr, "Cannot start FAX tester instance\n");
249 printf("Test failed\n");
250 exit(2);
251 }
252 logging = faxtester_get_logging_state(state);
253 span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
254 span_log_set_tag(logging, "B");
255 /* We found the test we want, so run it. */
256 exchange(state);
257 faxtester_free(state);
258 printf("Done\n");
259 return 0;
260 }
261 /*- End of function --------------------------------------------------------*/
262 /*- End of file ------------------------------------------------------------*/
263