Mercurial > hg > audiostuff

comparison spandsp-0.0.3/spandsp-0.0.3/tests/fax_tests.c @ 5:f762bf195c4b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
import spandsp-0.0.3
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 16:00:21 +0200
parents
children
comparison
equal deleted inserted replaced
4:26cd8f1ef0b1 5:f762bf195c4b
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * fax_tests.c
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2003 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 General Public License version 2, as
14 * 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 General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * $Id: fax_tests.c,v 1.60 2006/11/19 14:07:27 steveu Exp $
26 */
27
28 /*! \page fax_tests_page FAX tests
29 \section fax_tests_page_sec_1 What does it do?
30 \section fax_tests_page_sec_2 How does it work?
31 */
32
33 #ifdef HAVE_CONFIG_H
34 #include "config.h"
35 #endif
36
37 #include <inttypes.h>
38 #include <stdlib.h>
39 #include <stdio.h>
40 #include <string.h>
41 #if defined(HAVE_TGMATH_H)
42 #include <tgmath.h>
43 #endif
44 #if defined(HAVE_MATH_H)
45 #include <math.h>
46 #endif
47 #include <assert.h>
48 #include <audiofile.h>
49 #include <tiffio.h>
50
51 #include "spandsp.h"
52
53 #define SAMPLES_PER_CHUNK 160
54
55 #define INPUT_TIFF_FILE_NAME "../itutests/fax/itutests.tif"
56
57 #define OUTPUT_FILE_NAME_WAVE "fax_tests.wav"
58
59 #define FAX_MACHINES 2
60
61 struct machine_s
62 {
63 int chan;
64 int16_t amp[SAMPLES_PER_CHUNK];
65 int len;
66 fax_state_t fax;
67 int done;
68 int succeeded;
69 char tag[50];
70 int error_delay;
71 } machines[FAX_MACHINES];
72
73 int test_local_interrupt = FALSE;
74
75 static void phase_b_handler(t30_state_t *s, void *user_data, int result)
76 {
77 int i;
78
79 i = (intptr_t) user_data;
80 printf("%d: Phase B handler on channel %d - (0x%X) %s\n", i, i, result, t30_frametype(result));
81 }
82 /*- End of function --------------------------------------------------------*/
83
84 static void phase_d_handler(t30_state_t *s, void *user_data, int result)
85 {
86 int i;
87 t30_stats_t t;
88 char ident[21];
89
90 i = (intptr_t) user_data;
91 printf("%d: Phase D handler on channel %d - (0x%X) %s\n", i, i, result, t30_frametype(result));
92 t30_get_transfer_statistics(s, &t);
93 printf("%d: Phase D: bit rate %d\n", i, t.bit_rate);
94 printf("%d: Phase D: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off");
95 printf("%d: Phase D: pages transferred %d\n", i, t.pages_transferred);
96 printf("%d: Phase D: image size %d x %d\n", i, t.width, t.length);
97 printf("%d: Phase D: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution);
98 printf("%d: Phase D: bad rows %d\n", i, t.bad_rows);
99 printf("%d: Phase D: longest bad row run %d\n", i, t.longest_bad_row_run);
100 printf("%d: Phase D: compression type %d\n", i, t.encoding);
101 printf("%d: Phase D: image size %d\n", i, t.image_size);
102 t30_get_local_ident(s, ident);
103 printf("%d: Phase D: local ident '%s'\n", i, ident);
104 t30_get_far_ident(s, ident);
105 printf("%d: Phase D: remote ident '%s'\n", i, ident);
106
107 if (test_local_interrupt)
108 {
109 if (i == 0)
110 {
111 printf("%d: Initiating interrupt request\n", i);
112 t30_local_interrupt_request(s, TRUE);
113 }
114 else
115 {
116 switch (result)
117 {
118 case T30_PIP:
119 case T30_PRI_MPS:
120 case T30_PRI_EOM:
121 case T30_PRI_EOP:
122 printf("%d: Accepting interrupt request\n", i);
123 t30_local_interrupt_request(s, TRUE);
124 break;
125 case T30_PIN:
126 break;
127 }
128 }
129 }
130 }
131 /*- End of function --------------------------------------------------------*/
132
133 static void phase_e_handler(t30_state_t *s, void *user_data, int result)
134 {
135 int i;
136 t30_stats_t t;
137 const char *u;
138 char ident[21];
139
140 i = (intptr_t) user_data;
141 printf("%d: Phase E handler on channel %d - (%d) %s\n", i, i, result, t30_completion_code_to_str(result));
142 t30_get_transfer_statistics(s, &t);
143 printf("%d: Phase E: bit rate %d\n", i, t.bit_rate);
144 printf("%d: Phase E: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off");
145 printf("%d: Phase E: pages transferred %d\n", i, t.pages_transferred);
146 printf("%d: Phase E: image size %d x %d\n", i, t.width, t.length);
147 printf("%d: Phase E: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution);
148 printf("%d: Phase E: bad rows %d\n", i, t.bad_rows);
149 printf("%d: Phase E: longest bad row run %d\n", i, t.longest_bad_row_run);
150 printf("%d: Phase E: coding method %s\n", i, t4_encoding_to_str(t.encoding));
151 printf("%d: Phase E: image size %d bytes\n", i, t.image_size);
152 t30_get_local_ident(s, ident);
153 printf("%d: Phase E: local ident '%s'\n", i, ident);
154 t30_get_far_ident(s, ident);
155 printf("%d: Phase E: remote ident '%s'\n", i, ident);
156 if ((u = t30_get_far_country(s)))
157 printf("%d: Phase E: Remote was made in '%s'\n", i, u);
158 if ((u = t30_get_far_vendor(s)))
159 printf("%d: Phase E: Remote was made by '%s'\n", i, u);
160 if ((u = t30_get_far_model(s)))
161 printf("%d: Phase E: Remote is model '%s'\n", i, u);
162 machines[i].succeeded = (result == T30_ERR_OK) && (t.pages_transferred == 12);
163 machines[i].done = TRUE;
164 }
165 /*- End of function --------------------------------------------------------*/
166
167 static int document_handler(t30_state_t *s, void *user_data, int event)
168 {
169 int i;
170
171 i = (intptr_t) user_data;
172 printf("%d: Document handler on channel %d - event %d\n", i, i, event);
173 return FALSE;
174 }
175 /*- End of function --------------------------------------------------------*/
176
177 int main(int argc, char *argv[])
178 {
179 AFfilesetup filesetup;
180 AFfilehandle wave_handle;
181 AFfilehandle input_wave_handle;
182 int i;
183 int j;
184 int k;
185 struct machine_s *mc;
186 int outframes;
187 char buf[128 + 1];
188 int16_t silence[SAMPLES_PER_CHUNK];
189 int16_t out_amp[2*SAMPLES_PER_CHUNK];
190 int alldone;
191 const char *input_tiff_file_name;
192 const char *input_audio_file_name;
193 int log_audio;
194 int use_ecm;
195 int use_tep;
196 int use_line_hits;
197 int polled_mode;
198 char *page_header_info;
199
200 log_audio = FALSE;
201 input_tiff_file_name = INPUT_TIFF_FILE_NAME;
202 input_audio_file_name = NULL;
203 use_ecm = FALSE;
204 use_line_hits = FALSE;
205 use_tep = FALSE;
206 polled_mode = FALSE;
207 page_header_info = NULL;
208 for (i = 1; i < argc; i++)
209 {
210 if (strcmp(argv[i], "-e") == 0)
211 {
212 use_ecm = TRUE;
213 continue;
214 }
215 if (strcmp(argv[i], "-h") == 0)
216 {
217 use_line_hits = TRUE;
218 continue;
219 }
220 if (strcmp(argv[i], "-H") == 0)
221 {
222 page_header_info = argv[++i];
223 continue;
224 }
225 if (strcmp(argv[i], "-i") == 0)
226 {
227 input_tiff_file_name = argv[++i];
228 continue;
229 }
230 if (strcmp(argv[i], "-I") == 0)
231 {
232 input_audio_file_name = argv[++i];
233 continue;
234 }
235 if (strcmp(argv[i], "-l") == 0)
236 {
237 log_audio = TRUE;
238 continue;
239 }
240 if (strcmp(argv[i], "-p") == 0)
241 {
242 polled_mode = TRUE;
243 continue;
244 }
245 if (strcmp(argv[i], "-t") == 0)
246 {
247 use_tep = TRUE;
248 continue;
249 }
250 }
251
252 input_wave_handle = AF_NULL_FILEHANDLE;
253 if (input_audio_file_name)
254 {
255 if ((input_wave_handle = afOpenFile(input_audio_file_name, "r", NULL)) == AF_NULL_FILEHANDLE)
256 {
257 fprintf(stderr, " Cannot open wave file '%s'\n", input_audio_file_name);
258 exit(2);
259 }
260 }
261
262 filesetup = AF_NULL_FILESETUP;
263 wave_handle = AF_NULL_FILEHANDLE;
264 if (log_audio)
265 {
266 if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
267 {
268 fprintf(stderr, " Failed to create file setup\n");
269 exit(2);
270 }
271 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
272 afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
273 afInitFileFormat(filesetup, AF_FILE_WAVE);
274 afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
275
276 if ((wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup)) == AF_NULL_FILEHANDLE)
277 {
278 fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
279 exit(2);
280 }
281 }
282
283 memset(silence, 0, sizeof(silence));
284 for (j = 0; j < FAX_MACHINES; j++)
285 {
286 machines[j].chan = j;
287 mc = &machines[j];
288
289 i = mc->chan + 1;
290 sprintf(buf, "%d%d%d%d%d%d%d%d", i, i, i, i, i, i, i, i);
291 fax_init(&mc->fax, (mc->chan & 1) ? FALSE : TRUE);
292 fax_set_tep_mode(&mc->fax, use_tep);
293 t30_set_local_ident(&mc->fax.t30_state, buf);
294 t30_set_header_info(&mc->fax.t30_state, page_header_info);
295 t30_set_local_nsf(&mc->fax.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
296 t30_set_ecm_capability(&mc->fax.t30_state, use_ecm);
297 t30_set_supported_image_sizes(&mc->fax.t30_state, T30_SUPPORT_US_LETTER_LENGTH | T30_SUPPORT_US_LEGAL_LENGTH | T30_SUPPORT_UNLIMITED_LENGTH
298 | T30_SUPPORT_215MM_WIDTH | T30_SUPPORT_255MM_WIDTH | T30_SUPPORT_303MM_WIDTH);
299 t30_set_supported_resolutions(&mc->fax.t30_state, T30_SUPPORT_STANDARD_RESOLUTION | T30_SUPPORT_FINE_RESOLUTION | T30_SUPPORT_SUPERFINE_RESOLUTION
300 | T30_SUPPORT_R8_RESOLUTION | T30_SUPPORT_R16_RESOLUTION);
301 if (use_ecm)
302 t30_set_supported_compressions(&mc->fax.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
303 if ((mc->chan & 1))
304 {
305 if (polled_mode)
306 {
307 t30_set_tx_file(&mc->fax.t30_state, input_tiff_file_name, -1, -1);
308 }
309 else
310 {
311 sprintf(buf, "fax_tests_%d.tif", (mc->chan + 1)/2);
312 t30_set_rx_file(&mc->fax.t30_state, buf, -1);
313 }
314 }
315 else
316 {
317 if (polled_mode)
318 {
319 sprintf(buf, "fax_tests_%d.tif", (mc->chan + 1)/2);
320 t30_set_rx_file(&mc->fax.t30_state, buf, -1);
321 }
322 else
323 {
324 t30_set_tx_file(&mc->fax.t30_state, input_tiff_file_name, -1, -1);
325 }
326 }
327 t30_set_phase_b_handler(&mc->fax.t30_state, phase_b_handler, (void *) (intptr_t) mc->chan);
328 t30_set_phase_d_handler(&mc->fax.t30_state, phase_d_handler, (void *) (intptr_t) mc->chan);
329 t30_set_phase_e_handler(&mc->fax.t30_state, phase_e_handler, (void *) (intptr_t) mc->chan);
330 t30_set_document_handler(&mc->fax.t30_state, document_handler, (void *) (intptr_t) mc->chan);
331 sprintf(mc->tag, "FAX-%d", j + 1);
332 span_log_set_level(&mc->fax.t30_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
333 span_log_set_tag(&mc->fax.t30_state.logging, mc->tag);
334 span_log_set_level(&mc->fax.v29rx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
335 span_log_set_tag(&mc->fax.v29rx.logging, mc->tag);
336 span_log_set_level(&mc->fax.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
337 span_log_set_tag(&mc->fax.logging, mc->tag);
338 memset(mc->amp, 0, sizeof(mc->amp));
339 mc->done = FALSE;
340 }
341 for (;;)
342 {
343 alldone = TRUE;
344 for (j = 0; j < FAX_MACHINES; j++)
345 {
346 mc = &machines[j];
347
348 if ((j & 1) == 0 && input_audio_file_name)
349 {
350 mc->len = afReadFrames(input_wave_handle, AF_DEFAULT_TRACK, mc->amp, SAMPLES_PER_CHUNK);
351 if (mc->len == 0)
352 break;
353 }
354 else
355 {
356 mc->len = fax_tx(&mc->fax, mc->amp, SAMPLES_PER_CHUNK);
357 }
358 /* The receive side always expects a full block of samples, but the
359 transmit side may not be sending any when it doesn't need to. We
360 may need to pad with some silence. */
361 if (mc->len < SAMPLES_PER_CHUNK)
362 {
363 memset(mc->amp + mc->len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - mc->len));
364 mc->len = SAMPLES_PER_CHUNK;
365 }
366
367 span_log_bump_samples(&mc->fax.t30_state.logging, mc->len);
368 span_log_bump_samples(&mc->fax.v29rx.logging, mc->len);
369 span_log_bump_samples(&mc->fax.logging, mc->len);
370
371 if (log_audio)
372 {
373 for (k = 0; k < mc->len; k++)
374 out_amp[2*k + j] = mc->amp[k];
375 }
376 if (machines[j ^ 1].len < SAMPLES_PER_CHUNK)
377 memset(machines[j ^ 1].amp + machines[j ^ 1].len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - machines[j ^ 1].len));
378 if (use_line_hits)
379 {
380 /* TODO: This applied very crude line hits. improve it */
381 if (mc->fax.t30_state.state == 22)
382 {
383 if (++mc->error_delay == 100)
384 {
385 fprintf(stderr, "HIT %d!\n", j);
386 mc->error_delay = 0;
387 for (k = 0; k < 5; k++)
388 mc->amp[k] = 0;
389 }
390 }
391 }
392 if (fax_rx(&mc->fax, machines[j ^ 1].amp, SAMPLES_PER_CHUNK))
393 break;
394 if (!mc->done)
395 alldone = FALSE;
396 }
397
398 if (log_audio)
399 {
400 outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
401 if (outframes != SAMPLES_PER_CHUNK)
402 break;
403 }
404
405 if (alldone || j < FAX_MACHINES)
406 break;
407 }
408 for (j = 0; j < FAX_MACHINES; j++)
409 {
410 mc = &machines[j];
411 fax_release(&mc->fax);
412 }
413 if (log_audio)
414 {
415 if (afCloseFile(wave_handle))
416 {
417 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
418 exit(2);
419 }
420 afFreeFileSetup(filesetup);
421 }
422 if (input_audio_file_name)
423 {
424 if (afCloseFile(input_wave_handle))
425 {
426 fprintf(stderr, " Cannot close wave file '%s'\n", input_audio_file_name);
427 exit(2);
428 }
429 afFreeFileSetup(filesetup);
430 }
431 return 0;
432 }
433 /*- End of function --------------------------------------------------------*/
434 /*- End of file ------------------------------------------------------------*/

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.