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1 | /* | |
2 | * This file is part of the sigrok-cli project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "sigrok-cli.h" | |
21 | #include <glib.h> | |
22 | #include <glib/gstdio.h> | |
23 | #include <string.h> | |
24 | #include <stdlib.h> | |
25 | ||
26 | static int default_output_format = FALSE; | |
27 | static uint64_t limit_samples = 0; | |
28 | static uint64_t limit_frames = 0; | |
29 | ||
30 | #ifdef HAVE_SRD | |
31 | extern struct srd_session *srd_sess; | |
32 | #endif | |
33 | ||
34 | static int set_limit_time(const struct sr_dev_inst *sdi) | |
35 | { | |
36 | GVariant *gvar; | |
37 | uint64_t time_msec; | |
38 | uint64_t samplerate; | |
39 | ||
40 | if (!(time_msec = sr_parse_timestring(opt_time))) { | |
41 | g_critical("Invalid time '%s'", opt_time); | |
42 | return SR_ERR; | |
43 | } | |
44 | ||
45 | if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) { | |
46 | gvar = g_variant_new_uint64(time_msec); | |
47 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) { | |
48 | g_critical("Failed to configure time limit."); | |
49 | return SR_ERR; | |
50 | } | |
51 | } else if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) { | |
52 | /* Convert to samples based on the samplerate. */ | |
53 | sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar); | |
54 | samplerate = g_variant_get_uint64(gvar); | |
55 | g_variant_unref(gvar); | |
56 | limit_samples = (samplerate) * time_msec / (uint64_t)1000; | |
57 | if (limit_samples == 0) { | |
58 | g_critical("Not enough time at this samplerate."); | |
59 | return SR_ERR; | |
60 | } | |
61 | gvar = g_variant_new_uint64(limit_samples); | |
62 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) { | |
63 | g_critical("Failed to configure time-based sample limit."); | |
64 | return SR_ERR; | |
65 | } | |
66 | } else { | |
67 | g_critical("This device does not support time limits."); | |
68 | return SR_ERR; | |
69 | } | |
70 | ||
71 | return SR_OK; | |
72 | } | |
73 | ||
74 | GHashTable *generic_arg_to_opt(const struct sr_option **opts, GHashTable *genargs) | |
75 | { | |
76 | GHashTable *hash; | |
77 | GVariant *gvar; | |
78 | const struct sr_option *opt; | |
79 | char *s; | |
80 | ||
81 | hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, | |
82 | (GDestroyNotify)g_variant_unref); | |
83 | for (opt = opts[0]; opt; opt++) { | |
84 | if (!(s = g_hash_table_lookup(genargs, opt->id))) | |
85 | continue; | |
86 | if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE_UINT32)) { | |
87 | gvar = g_variant_new_uint32(strtoul(s, NULL, 10)); | |
88 | g_hash_table_insert(hash, g_strdup(opt->id), | |
89 | g_variant_ref_sink(gvar)); | |
90 | } else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE_DOUBLE)) { | |
91 | gvar = g_variant_new_double(strtod(s, NULL)); | |
92 | g_hash_table_insert(hash, g_strdup(opt->id), | |
93 | g_variant_ref_sink(gvar)); | |
94 | } else { | |
95 | g_critical("Don't know GVariant type for option '%s'!", opt->id); | |
96 | } | |
97 | } | |
98 | ||
99 | return hash; | |
100 | } | |
101 | ||
102 | const struct sr_output *setup_output_format(const struct sr_dev_inst *sdi) | |
103 | { | |
104 | const struct sr_output_module *omod; | |
105 | const struct sr_option **opts; | |
106 | const struct sr_output *o; | |
107 | GHashTable *fmtargs, *fmtopts; | |
108 | char *fmtspec; | |
109 | ||
110 | if (opt_output_format && !strcmp(opt_output_format, "sigrok")) { | |
111 | /* Doesn't really exist as an output module - this is | |
112 | * the session save mode. */ | |
113 | g_free(opt_output_format); | |
114 | opt_output_format = NULL; | |
115 | } | |
116 | ||
117 | if (!opt_output_format) { | |
118 | opt_output_format = DEFAULT_OUTPUT_FORMAT; | |
119 | /* we'll need to remember this so when saving to a file | |
120 | * later, sigrok session format will be used. | |
121 | */ | |
122 | default_output_format = TRUE; | |
123 | } | |
124 | ||
125 | fmtargs = parse_generic_arg(opt_output_format, TRUE); | |
126 | fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key"); | |
127 | if (!fmtspec) | |
128 | g_critical("Invalid output format."); | |
129 | if (!(omod = sr_output_find(fmtspec))) | |
130 | g_critical("Unknown output format '%s'.", fmtspec); | |
131 | g_hash_table_remove(fmtargs, "sigrok_key"); | |
132 | if ((opts = sr_output_options_get(omod))) { | |
133 | fmtopts = generic_arg_to_opt(opts, fmtargs); | |
134 | sr_output_options_free(opts); | |
135 | } else | |
136 | fmtopts = NULL; | |
137 | o = sr_output_new(omod, fmtopts, sdi); | |
138 | if (fmtopts) | |
139 | g_hash_table_destroy(fmtopts); | |
140 | g_hash_table_destroy(fmtargs); | |
141 | ||
142 | return o; | |
143 | } | |
144 | ||
145 | void datafeed_in(const struct sr_dev_inst *sdi, | |
146 | const struct sr_datafeed_packet *packet, void *cb_data) | |
147 | { | |
148 | const struct sr_datafeed_meta *meta; | |
149 | const struct sr_datafeed_logic *logic; | |
150 | const struct sr_datafeed_analog *analog; | |
151 | struct sr_session *session; | |
152 | struct sr_config *src; | |
153 | struct sr_channel *ch; | |
154 | static const struct sr_output *o = NULL; | |
155 | static const struct sr_output *oa = NULL; | |
156 | static uint64_t rcvd_samples_logic = 0; | |
157 | static uint64_t rcvd_samples_analog = 0; | |
158 | static uint64_t samplerate = 0; | |
159 | static int triggered = 0; | |
160 | static FILE *outfile = NULL; | |
161 | GSList *l; | |
162 | GString *out; | |
163 | GVariant *gvar; | |
164 | uint64_t end_sample; | |
165 | uint64_t input_len; | |
166 | int i; | |
167 | char **channels; | |
168 | ||
169 | /* If the first packet to come in isn't a header, don't even try. */ | |
170 | if (packet->type != SR_DF_HEADER && o == NULL) | |
171 | return; | |
172 | ||
173 | session = cb_data; | |
174 | switch (packet->type) { | |
175 | case SR_DF_HEADER: | |
176 | g_debug("cli: Received SR_DF_HEADER."); | |
177 | if (!(o = setup_output_format(sdi))) | |
178 | g_critical("Failed to initialize output module."); | |
179 | ||
180 | /* Set up backup analog output module. */ | |
181 | oa = sr_output_new(sr_output_find("analog"), NULL, sdi); | |
182 | ||
183 | /* Prepare non-stdout output. */ | |
184 | outfile = stdout; | |
185 | if (opt_output_file) { | |
186 | if (default_output_format) { | |
187 | outfile = NULL; | |
188 | } else { | |
189 | /* saving to a file in whatever format was set | |
190 | * with --format, so all we need is a filehandle */ | |
191 | outfile = g_fopen(opt_output_file, "wb"); | |
192 | } | |
193 | } | |
194 | rcvd_samples_logic = rcvd_samples_analog = 0; | |
195 | ||
196 | if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE, | |
197 | &gvar) == SR_OK) { | |
198 | samplerate = g_variant_get_uint64(gvar); | |
199 | g_variant_unref(gvar); | |
200 | } | |
201 | ||
202 | #ifdef HAVE_SRD | |
203 | if (opt_pds) { | |
204 | if (samplerate) { | |
205 | if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE, | |
206 | g_variant_new_uint64(samplerate)) != SRD_OK) { | |
207 | g_critical("Failed to configure decode session."); | |
208 | break; | |
209 | } | |
210 | } | |
211 | if (srd_session_start(srd_sess) != SRD_OK) { | |
212 | g_critical("Failed to start decode session."); | |
213 | break; | |
214 | } | |
215 | } | |
216 | #endif | |
217 | break; | |
218 | ||
219 | case SR_DF_META: | |
220 | g_debug("cli: Received SR_DF_META."); | |
221 | meta = packet->payload; | |
222 | for (l = meta->config; l; l = l->next) { | |
223 | src = l->data; | |
224 | switch (src->key) { | |
225 | case SR_CONF_SAMPLERATE: | |
226 | samplerate = g_variant_get_uint64(src->data); | |
227 | g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate); | |
228 | #ifdef HAVE_SRD | |
229 | if (opt_pds) { | |
230 | if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE, | |
231 | g_variant_new_uint64(samplerate)) != SRD_OK) { | |
232 | g_critical("Failed to pass samplerate to decoder."); | |
233 | } | |
234 | } | |
235 | #endif | |
236 | break; | |
237 | case SR_CONF_SAMPLE_INTERVAL: | |
238 | samplerate = g_variant_get_uint64(src->data); | |
239 | g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate); | |
240 | break; | |
241 | default: | |
242 | /* Unknown metadata is not an error. */ | |
243 | break; | |
244 | } | |
245 | } | |
246 | break; | |
247 | ||
248 | case SR_DF_TRIGGER: | |
249 | g_debug("cli: Received SR_DF_TRIGGER."); | |
250 | triggered = 1; | |
251 | break; | |
252 | ||
253 | case SR_DF_LOGIC: | |
254 | logic = packet->payload; | |
255 | g_message("cli: Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).", | |
256 | logic->length, logic->unitsize); | |
257 | if (logic->length == 0) | |
258 | break; | |
259 | ||
260 | /* Don't store any samples until triggered. */ | |
261 | if (opt_wait_trigger && !triggered) | |
262 | break; | |
263 | ||
264 | if (limit_samples && rcvd_samples_logic >= limit_samples) | |
265 | break; | |
266 | ||
267 | end_sample = rcvd_samples_logic + logic->length / logic->unitsize; | |
268 | /* Cut off last packet according to the sample limit. */ | |
269 | if (limit_samples && end_sample > limit_samples) | |
270 | end_sample = limit_samples; | |
271 | input_len = (end_sample - rcvd_samples_logic) * logic->unitsize; | |
272 | ||
273 | if (opt_output_file && default_output_format) { | |
274 | /* Saving to a session file. */ | |
275 | if (rcvd_samples_logic == 0) { | |
276 | /* First packet with logic data, init session file. */ | |
277 | channels = g_malloc(sizeof(char *) * g_slist_length(sdi->channels)); | |
278 | for (i = 0, l = sdi->channels; l; l = l->next) { | |
279 | ch = l->data; | |
280 | if (ch->enabled && ch->type == SR_CHANNEL_LOGIC) | |
281 | channels[i++] = ch->name; | |
282 | } | |
283 | channels[i] = NULL; | |
284 | sr_session_save_init(session, opt_output_file, | |
285 | samplerate, channels); | |
286 | g_free(channels); | |
287 | } | |
288 | save_chunk_logic(session, logic->data, input_len, logic->unitsize); | |
289 | } else { | |
290 | if (opt_pds) { | |
291 | #ifdef HAVE_SRD | |
292 | if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample, | |
293 | logic->data, input_len) != SRD_OK) | |
294 | sr_session_stop(session); | |
295 | #endif | |
296 | } | |
297 | } | |
298 | ||
299 | rcvd_samples_logic = end_sample; | |
300 | break; | |
301 | ||
302 | case SR_DF_ANALOG: | |
303 | analog = packet->payload; | |
304 | g_message("cli: Received SR_DF_ANALOG (%d samples).", analog->num_samples); | |
305 | if (analog->num_samples == 0) | |
306 | break; | |
307 | ||
308 | if (limit_samples && rcvd_samples_analog >= limit_samples) | |
309 | break; | |
310 | ||
311 | rcvd_samples_analog += analog->num_samples; | |
312 | break; | |
313 | ||
314 | case SR_DF_FRAME_BEGIN: | |
315 | g_debug("cli: Received SR_DF_FRAME_BEGIN."); | |
316 | break; | |
317 | ||
318 | case SR_DF_FRAME_END: | |
319 | g_debug("cli: Received SR_DF_FRAME_END."); | |
320 | break; | |
321 | ||
322 | default: | |
323 | break; | |
324 | } | |
325 | ||
326 | if (o && outfile && !opt_pds) { | |
327 | if (sr_output_send(o, packet, &out) == SR_OK) { | |
328 | if (!out || (out->len == 0 && default_output_format | |
329 | && packet->type == SR_DF_ANALOG)) { | |
330 | /* The user didn't specify an output module, | |
331 | * but needs to see this analog data. */ | |
332 | sr_output_send(oa, packet, &out); | |
333 | } | |
334 | if (out && out->len > 0) { | |
335 | fwrite(out->str, 1, out->len, outfile); | |
336 | fflush(outfile); | |
337 | } | |
338 | if (out) | |
339 | g_string_free(out, TRUE); | |
340 | } | |
341 | } | |
342 | ||
343 | /* SR_DF_END needs to be handled after the output module's receive() | |
344 | * is called, so it can properly clean up that module. */ | |
345 | if (packet->type == SR_DF_END) { | |
346 | g_debug("cli: Received SR_DF_END."); | |
347 | ||
348 | if (o) | |
349 | sr_output_free(o); | |
350 | o = NULL; | |
351 | ||
352 | sr_output_free(oa); | |
353 | oa = NULL; | |
354 | ||
355 | if (outfile && outfile != stdout) | |
356 | fclose(outfile); | |
357 | ||
358 | if (opt_output_file && default_output_format) | |
359 | /* Flush whatever is left out to the session file. */ | |
360 | save_chunk_logic(session, NULL, 0, 0); | |
361 | ||
362 | if (limit_samples) { | |
363 | if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples) | |
364 | g_warning("Device only sent %" PRIu64 " samples.", | |
365 | rcvd_samples_logic); | |
366 | else if (rcvd_samples_analog > 0 && rcvd_samples_analog < limit_samples) | |
367 | g_warning("Device only sent %" PRIu64 " samples.", | |
368 | rcvd_samples_analog); | |
369 | } | |
370 | } | |
371 | ||
372 | } | |
373 | ||
374 | int opt_to_gvar(char *key, char *value, struct sr_config *src) | |
375 | { | |
376 | const struct sr_config_info *srci; | |
377 | double tmp_double, dlow, dhigh; | |
378 | uint64_t tmp_u64, p, q, low, high; | |
379 | GVariant *rational[2], *range[2]; | |
380 | gboolean tmp_bool; | |
381 | int ret; | |
382 | ||
383 | if (!(srci = sr_config_info_name_get(key))) { | |
384 | g_critical("Unknown device option '%s'.", (char *) key); | |
385 | return -1; | |
386 | } | |
387 | src->key = srci->key; | |
388 | ||
389 | if ((value == NULL) && | |
390 | (srci->datatype != SR_T_BOOL)) { | |
391 | g_critical("Option '%s' needs a value.", (char *)key); | |
392 | return -1; | |
393 | } | |
394 | ||
395 | ret = 0; | |
396 | switch (srci->datatype) { | |
397 | case SR_T_UINT64: | |
398 | ret = sr_parse_sizestring(value, &tmp_u64); | |
399 | if (ret != 0) | |
400 | break; | |
401 | src->data = g_variant_new_uint64(tmp_u64); | |
402 | break; | |
403 | case SR_T_INT32: | |
404 | ret = sr_parse_sizestring(value, &tmp_u64); | |
405 | if (ret != 0) | |
406 | break; | |
407 | src->data = g_variant_new_int32(tmp_u64); | |
408 | break; | |
409 | case SR_T_STRING: | |
410 | src->data = g_variant_new_string(value); | |
411 | break; | |
412 | case SR_T_BOOL: | |
413 | if (!value) | |
414 | tmp_bool = TRUE; | |
415 | else | |
416 | tmp_bool = sr_parse_boolstring(value); | |
417 | src->data = g_variant_new_boolean(tmp_bool); | |
418 | break; | |
419 | case SR_T_FLOAT: | |
420 | tmp_double = strtof(value, NULL); | |
421 | src->data = g_variant_new_double(tmp_double); | |
422 | break; | |
423 | case SR_T_RATIONAL_PERIOD: | |
424 | if ((ret = sr_parse_period(value, &p, &q)) != SR_OK) | |
425 | break; | |
426 | rational[0] = g_variant_new_uint64(p); | |
427 | rational[1] = g_variant_new_uint64(q); | |
428 | src->data = g_variant_new_tuple(rational, 2); | |
429 | break; | |
430 | case SR_T_RATIONAL_VOLT: | |
431 | if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK) | |
432 | break; | |
433 | rational[0] = g_variant_new_uint64(p); | |
434 | rational[1] = g_variant_new_uint64(q); | |
435 | src->data = g_variant_new_tuple(rational, 2); | |
436 | break; | |
437 | case SR_T_UINT64_RANGE: | |
438 | if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) { | |
439 | ret = -1; | |
440 | break; | |
441 | } else { | |
442 | range[0] = g_variant_new_uint64(low); | |
443 | range[1] = g_variant_new_uint64(high); | |
444 | src->data = g_variant_new_tuple(range, 2); | |
445 | } | |
446 | break; | |
447 | case SR_T_DOUBLE_RANGE: | |
448 | if (sscanf(value, "%lf-%lf", &dlow, &dhigh) != 2) { | |
449 | ret = -1; | |
450 | break; | |
451 | } else { | |
452 | range[0] = g_variant_new_double(dlow); | |
453 | range[1] = g_variant_new_double(dhigh); | |
454 | src->data = g_variant_new_tuple(range, 2); | |
455 | } | |
456 | break; | |
457 | default: | |
458 | ret = -1; | |
459 | } | |
460 | ||
461 | return ret; | |
462 | } | |
463 | ||
464 | int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args) | |
465 | { | |
466 | struct sr_config src; | |
467 | struct sr_channel_group *cg; | |
468 | GHashTableIter iter; | |
469 | gpointer key, value; | |
470 | int ret; | |
471 | ||
472 | g_hash_table_iter_init(&iter, args); | |
473 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
474 | if ((ret = opt_to_gvar(key, value, &src)) != 0) | |
475 | return ret; | |
476 | cg = select_channel_group(sdi); | |
477 | ret = sr_config_set(sdi, cg, src.key, src.data); | |
478 | if (ret != SR_OK) { | |
479 | g_critical("Failed to set device option '%s'.", (char *)key); | |
480 | return ret; | |
481 | } | |
482 | } | |
483 | ||
484 | return SR_OK; | |
485 | } | |
486 | ||
487 | void run_session(void) | |
488 | { | |
489 | GSList *devices; | |
490 | GHashTable *devargs; | |
491 | GVariant *gvar; | |
492 | struct sr_session *session; | |
493 | struct sr_trigger *trigger; | |
494 | struct sr_dev_inst *sdi; | |
495 | uint64_t min_samples, max_samples; | |
496 | ||
497 | devices = device_scan(); | |
498 | if (!devices) { | |
499 | g_critical("No devices found."); | |
500 | return; | |
501 | } | |
502 | if (g_slist_length(devices) > 1) { | |
503 | g_critical("sigrok-cli only supports one device for capturing."); | |
504 | g_slist_free(devices); | |
505 | return; | |
506 | } | |
507 | sdi = devices->data; | |
508 | g_slist_free(devices); | |
509 | ||
510 | sr_session_new(&session); | |
511 | sr_session_datafeed_callback_add(session, datafeed_in, NULL); | |
512 | ||
513 | if (sr_dev_open(sdi) != SR_OK) { | |
514 | g_critical("Failed to open device."); | |
515 | return; | |
516 | } | |
517 | ||
518 | if (sr_session_dev_add(session, sdi) != SR_OK) { | |
519 | g_critical("Failed to add device to session."); | |
520 | sr_session_destroy(session); | |
521 | return; | |
522 | } | |
523 | ||
524 | if (opt_config) { | |
525 | if ((devargs = parse_generic_arg(opt_config, FALSE))) { | |
526 | if (set_dev_options(sdi, devargs) != SR_OK) | |
527 | return; | |
528 | g_hash_table_destroy(devargs); | |
529 | } | |
530 | } | |
531 | ||
532 | if (select_channels(sdi) != SR_OK) { | |
533 | g_critical("Failed to set channels."); | |
534 | sr_session_destroy(session); | |
535 | return; | |
536 | } | |
537 | ||
538 | if (opt_triggers) { | |
539 | if (!parse_triggerstring(sdi, opt_triggers, &trigger)) { | |
540 | sr_session_destroy(session); | |
541 | return; | |
542 | } | |
543 | if (sr_session_trigger_set(session, trigger) != SR_OK) { | |
544 | sr_session_destroy(session); | |
545 | return; | |
546 | } | |
547 | } | |
548 | ||
549 | if (opt_continuous) { | |
550 | if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) { | |
551 | g_critical("This device does not support continuous sampling."); | |
552 | sr_session_destroy(session); | |
553 | return; | |
554 | } | |
555 | } | |
556 | ||
557 | if (opt_time) { | |
558 | if (set_limit_time(sdi) != SR_OK) { | |
559 | sr_session_destroy(session); | |
560 | return; | |
561 | } | |
562 | } | |
563 | ||
564 | if (opt_samples) { | |
565 | if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) { | |
566 | g_critical("Invalid sample limit '%s'.", opt_samples); | |
567 | sr_session_destroy(session); | |
568 | return; | |
569 | } | |
570 | if (sr_config_list(sdi->driver, sdi, NULL, | |
571 | SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) { | |
572 | /* The device has no compression, or compression is turned | |
573 | * off, and publishes its sample memory size. */ | |
574 | g_variant_get(gvar, "(tt)", &min_samples, &max_samples); | |
575 | g_variant_unref(gvar); | |
576 | if (limit_samples < min_samples) { | |
577 | g_critical("The device stores at least %"PRIu64 | |
578 | " samples with the current settings.", min_samples); | |
579 | } | |
580 | if (limit_samples > max_samples) { | |
581 | g_critical("The device can store only %"PRIu64 | |
582 | " samples with the current settings.", max_samples); | |
583 | } | |
584 | } | |
585 | gvar = g_variant_new_uint64(limit_samples); | |
586 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) { | |
587 | g_critical("Failed to configure sample limit."); | |
588 | sr_session_destroy(session); | |
589 | return; | |
590 | } | |
591 | } | |
592 | ||
593 | if (opt_frames) { | |
594 | if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) { | |
595 | g_critical("Invalid sample limit '%s'.", opt_samples); | |
596 | sr_session_destroy(session); | |
597 | return; | |
598 | } | |
599 | gvar = g_variant_new_uint64(limit_frames); | |
600 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) { | |
601 | g_critical("Failed to configure frame limit."); | |
602 | sr_session_destroy(session); | |
603 | return; | |
604 | } | |
605 | } | |
606 | ||
607 | if (sr_session_start(session) != SR_OK) { | |
608 | g_critical("Failed to start session."); | |
609 | sr_session_destroy(session); | |
610 | return; | |
611 | } | |
612 | ||
613 | if (opt_continuous) | |
614 | add_anykey(session); | |
615 | ||
616 | sr_session_run(session); | |
617 | ||
618 | if (opt_continuous) | |
619 | clear_anykey(); | |
620 | ||
621 | sr_session_datafeed_callback_remove_all(session); | |
622 | sr_session_destroy(session); | |
623 | ||
624 | } | |
625 | ||
626 | void save_chunk_logic(struct sr_session *session, uint8_t *data, | |
627 | uint64_t data_len, int unitsize) | |
628 | { | |
629 | static uint8_t *buf = NULL; | |
630 | static int buf_len = 0; | |
631 | static int last_unitsize = 0; | |
632 | int max; | |
633 | ||
634 | if (!buf) | |
635 | buf = g_malloc(SAVE_CHUNK_SIZE); | |
636 | ||
637 | while (data_len > SAVE_CHUNK_SIZE) { | |
638 | save_chunk_logic(session, data, SAVE_CHUNK_SIZE, unitsize); | |
639 | data += SAVE_CHUNK_SIZE; | |
640 | data_len -= SAVE_CHUNK_SIZE; | |
641 | } | |
642 | ||
643 | if (buf_len + data_len > SAVE_CHUNK_SIZE) { | |
644 | max = (SAVE_CHUNK_SIZE - buf_len) / unitsize * unitsize; | |
645 | memcpy(buf + buf_len, data, max); | |
646 | sr_session_append(session, opt_output_file, buf, unitsize, | |
647 | (buf_len + max) / unitsize); | |
648 | memcpy(buf, data + max, data_len - max); | |
649 | buf_len = data_len - max; | |
650 | } else if (data_len == 0 && last_unitsize != 0) { | |
651 | /* End of data, flush the buffer out. */ | |
652 | sr_session_append(session, opt_output_file, buf, last_unitsize, | |
653 | buf_len / last_unitsize); | |
654 | } else { | |
655 | /* Buffer chunk. */ | |
656 | memcpy(buf + buf_len, data, data_len); | |
657 | buf_len += data_len; | |
658 | } | |
659 | last_unitsize = unitsize; | |
660 | ||
661 | } |