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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk> | |
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 2 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 <cassert> | |
21 | #include <memory> | |
22 | #include <mutex> | |
23 | #include <stdexcept> | |
24 | ||
25 | #include <sys/stat.h> | |
26 | ||
27 | #include <QDebug> | |
28 | #include <QFileInfo> | |
29 | ||
30 | #include "devicemanager.hpp" | |
31 | #include "mainwindow.hpp" | |
32 | #include "session.hpp" | |
33 | #include "util.hpp" | |
34 | ||
35 | #include "data/analog.hpp" | |
36 | #include "data/analogsegment.hpp" | |
37 | #include "data/decode/decoder.hpp" | |
38 | #include "data/logic.hpp" | |
39 | #include "data/logicsegment.hpp" | |
40 | #include "data/signalbase.hpp" | |
41 | ||
42 | #include "devices/hardwaredevice.hpp" | |
43 | #include "devices/inputfile.hpp" | |
44 | #include "devices/sessionfile.hpp" | |
45 | ||
46 | #include "toolbars/mainbar.hpp" | |
47 | ||
48 | #include "views/trace/analogsignal.hpp" | |
49 | #include "views/trace/decodetrace.hpp" | |
50 | #include "views/trace/logicsignal.hpp" | |
51 | #include "views/trace/signal.hpp" | |
52 | #include "views/trace/view.hpp" | |
53 | ||
54 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
55 | ||
56 | #ifdef ENABLE_FLOW | |
57 | #include <gstreamermm.h> | |
58 | #include <libsigrokflow/libsigrokflow.hpp> | |
59 | #endif | |
60 | ||
61 | #ifdef ENABLE_DECODE | |
62 | #include <libsigrokdecode/libsigrokdecode.h> | |
63 | #include "data/decodesignal.hpp" | |
64 | #endif | |
65 | ||
66 | using std::bad_alloc; | |
67 | using std::dynamic_pointer_cast; | |
68 | using std::find_if; | |
69 | using std::function; | |
70 | using std::list; | |
71 | using std::lock_guard; | |
72 | using std::make_pair; | |
73 | using std::make_shared; | |
74 | using std::map; | |
75 | using std::max; | |
76 | using std::move; | |
77 | using std::mutex; | |
78 | using std::pair; | |
79 | using std::recursive_mutex; | |
80 | using std::runtime_error; | |
81 | using std::shared_ptr; | |
82 | using std::string; | |
83 | #ifdef ENABLE_FLOW | |
84 | using std::unique_lock; | |
85 | #endif | |
86 | using std::unique_ptr; | |
87 | using std::vector; | |
88 | ||
89 | using sigrok::Analog; | |
90 | using sigrok::Channel; | |
91 | using sigrok::ConfigKey; | |
92 | using sigrok::DatafeedCallbackFunction; | |
93 | using sigrok::Error; | |
94 | using sigrok::InputFormat; | |
95 | using sigrok::Logic; | |
96 | using sigrok::Meta; | |
97 | using sigrok::Packet; | |
98 | using sigrok::Session; | |
99 | ||
100 | using Glib::VariantBase; | |
101 | ||
102 | #ifdef ENABLE_FLOW | |
103 | using Gst::Bus; | |
104 | using Gst::ElementFactory; | |
105 | using Gst::Pipeline; | |
106 | #endif | |
107 | ||
108 | using pv::data::SignalGroup; | |
109 | using pv::util::Timestamp; | |
110 | using pv::views::trace::Signal; | |
111 | using pv::views::trace::AnalogSignal; | |
112 | using pv::views::trace::LogicSignal; | |
113 | ||
114 | namespace pv { | |
115 | ||
116 | shared_ptr<sigrok::Context> Session::sr_context; | |
117 | ||
118 | Session::Session(DeviceManager &device_manager, QString name) : | |
119 | shutting_down_(false), | |
120 | device_manager_(device_manager), | |
121 | default_name_(name), | |
122 | name_(name), | |
123 | capture_state_(Stopped), | |
124 | cur_samplerate_(0), | |
125 | data_saved_(true) | |
126 | { | |
127 | } | |
128 | ||
129 | Session::~Session() | |
130 | { | |
131 | shutting_down_ = true; | |
132 | ||
133 | // Stop and join to the thread | |
134 | stop_capture(); | |
135 | ||
136 | for (SignalGroup* group : signal_groups_) { | |
137 | group->clear(); | |
138 | delete group; | |
139 | } | |
140 | } | |
141 | ||
142 | DeviceManager& Session::device_manager() | |
143 | { | |
144 | return device_manager_; | |
145 | } | |
146 | ||
147 | const DeviceManager& Session::device_manager() const | |
148 | { | |
149 | return device_manager_; | |
150 | } | |
151 | ||
152 | shared_ptr<sigrok::Session> Session::session() const | |
153 | { | |
154 | if (!device_) | |
155 | return shared_ptr<sigrok::Session>(); | |
156 | return device_->session(); | |
157 | } | |
158 | ||
159 | shared_ptr<devices::Device> Session::device() const | |
160 | { | |
161 | return device_; | |
162 | } | |
163 | ||
164 | QString Session::name() const | |
165 | { | |
166 | return name_; | |
167 | } | |
168 | ||
169 | void Session::set_name(QString name) | |
170 | { | |
171 | if (default_name_.isEmpty()) | |
172 | default_name_ = name; | |
173 | ||
174 | name_ = name; | |
175 | ||
176 | name_changed(); | |
177 | } | |
178 | ||
179 | QString Session::path() const | |
180 | { | |
181 | return path_; | |
182 | } | |
183 | ||
184 | void Session::set_path(QString path) | |
185 | { | |
186 | path_ = path; | |
187 | set_name(QFileInfo(path).fileName()); | |
188 | } | |
189 | ||
190 | const vector< shared_ptr<views::ViewBase> > Session::views() const | |
191 | { | |
192 | return views_; | |
193 | } | |
194 | ||
195 | shared_ptr<views::ViewBase> Session::main_view() const | |
196 | { | |
197 | return main_view_; | |
198 | } | |
199 | ||
200 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) | |
201 | { | |
202 | main_bar_ = main_bar; | |
203 | } | |
204 | ||
205 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
206 | { | |
207 | return main_bar_; | |
208 | } | |
209 | ||
210 | bool Session::data_saved() const | |
211 | { | |
212 | return data_saved_; | |
213 | } | |
214 | ||
215 | void Session::save_setup(QSettings &settings) const | |
216 | { | |
217 | int i = 0; | |
218 | ||
219 | // Save channels and decoders | |
220 | for (const shared_ptr<data::SignalBase>& base : signalbases_) { | |
221 | #ifdef ENABLE_DECODE | |
222 | if (base->is_decode_signal()) { | |
223 | settings.beginGroup("decode_signal" + QString::number(i++)); | |
224 | base->save_settings(settings); | |
225 | settings.endGroup(); | |
226 | } else | |
227 | #endif | |
228 | { | |
229 | settings.beginGroup(base->internal_name()); | |
230 | base->save_settings(settings); | |
231 | settings.endGroup(); | |
232 | } | |
233 | } | |
234 | ||
235 | settings.setValue("decode_signals", i); | |
236 | ||
237 | // Save view states and their signal settings | |
238 | // Note: main_view must be saved as view0 | |
239 | i = 0; | |
240 | settings.beginGroup("view" + QString::number(i++)); | |
241 | main_view_->save_settings(settings); | |
242 | settings.endGroup(); | |
243 | ||
244 | for (const shared_ptr<views::ViewBase>& view : views_) { | |
245 | if (view != main_view_) { | |
246 | settings.beginGroup("view" + QString::number(i++)); | |
247 | settings.setValue("type", view->get_type()); | |
248 | view->save_settings(settings); | |
249 | settings.endGroup(); | |
250 | } | |
251 | } | |
252 | ||
253 | settings.setValue("views", i); | |
254 | ||
255 | int view_id = 0; | |
256 | i = 0; | |
257 | for (const shared_ptr<views::ViewBase>& vb : views_) { | |
258 | shared_ptr<views::trace::View> tv = dynamic_pointer_cast<views::trace::View>(vb); | |
259 | if (tv) { | |
260 | for (const shared_ptr<views::trace::TimeItem>& time_item : tv->time_items()) { | |
261 | ||
262 | const shared_ptr<views::trace::Flag> flag = | |
263 | dynamic_pointer_cast<views::trace::Flag>(time_item); | |
264 | if (flag) { | |
265 | if (!flag->enabled()) | |
266 | continue; | |
267 | ||
268 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
269 | settings.setValue("type", "time_marker"); | |
270 | settings.setValue("assoc_view", view_id); | |
271 | GlobalSettings::store_timestamp(settings, "time", flag->time()); | |
272 | settings.setValue("text", flag->get_text()); | |
273 | settings.endGroup(); | |
274 | } | |
275 | } | |
276 | ||
277 | if (tv->cursors_shown()) { | |
278 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
279 | settings.setValue("type", "selection"); | |
280 | settings.setValue("assoc_view", view_id); | |
281 | const shared_ptr<views::trace::CursorPair> cp = tv->cursors(); | |
282 | GlobalSettings::store_timestamp(settings, "start_time", cp->first()->time()); | |
283 | GlobalSettings::store_timestamp(settings, "end_time", cp->second()->time()); | |
284 | settings.endGroup(); | |
285 | } | |
286 | } | |
287 | ||
288 | view_id++; | |
289 | } | |
290 | ||
291 | settings.setValue("meta_objs", i); | |
292 | } | |
293 | ||
294 | void Session::save_settings(QSettings &settings) const | |
295 | { | |
296 | map<string, string> dev_info; | |
297 | list<string> key_list; | |
298 | ||
299 | if (device_) { | |
300 | shared_ptr<devices::HardwareDevice> hw_device = | |
301 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
302 | ||
303 | if (hw_device) { | |
304 | settings.setValue("device_type", "hardware"); | |
305 | settings.beginGroup("device"); | |
306 | ||
307 | key_list.emplace_back("vendor"); | |
308 | key_list.emplace_back("model"); | |
309 | key_list.emplace_back("version"); | |
310 | key_list.emplace_back("serial_num"); | |
311 | key_list.emplace_back("connection_id"); | |
312 | ||
313 | dev_info = device_manager_.get_device_info(device_); | |
314 | ||
315 | for (string& key : key_list) { | |
316 | if (dev_info.count(key)) | |
317 | settings.setValue(QString::fromUtf8(key.c_str()), | |
318 | QString::fromUtf8(dev_info.at(key).c_str())); | |
319 | else | |
320 | settings.remove(QString::fromUtf8(key.c_str())); | |
321 | } | |
322 | ||
323 | settings.endGroup(); | |
324 | } | |
325 | ||
326 | shared_ptr<devices::SessionFile> sessionfile_device = | |
327 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
328 | ||
329 | if (sessionfile_device) { | |
330 | settings.setValue("device_type", "sessionfile"); | |
331 | settings.beginGroup("device"); | |
332 | settings.setValue("filename", QString::fromStdString( | |
333 | sessionfile_device->full_name())); | |
334 | settings.endGroup(); | |
335 | } | |
336 | ||
337 | shared_ptr<devices::InputFile> inputfile_device = | |
338 | dynamic_pointer_cast<devices::InputFile>(device_); | |
339 | ||
340 | if (inputfile_device) { | |
341 | settings.setValue("device_type", "inputfile"); | |
342 | settings.beginGroup("device"); | |
343 | inputfile_device->save_meta_to_settings(settings); | |
344 | settings.endGroup(); | |
345 | } | |
346 | ||
347 | save_setup(settings); | |
348 | } | |
349 | } | |
350 | ||
351 | void Session::restore_setup(QSettings &settings) | |
352 | { | |
353 | // Restore channels | |
354 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
355 | settings.beginGroup(base->internal_name()); | |
356 | base->restore_settings(settings); | |
357 | settings.endGroup(); | |
358 | } | |
359 | ||
360 | // Restore decoders | |
361 | #ifdef ENABLE_DECODE | |
362 | int decode_signals = settings.value("decode_signals").toInt(); | |
363 | ||
364 | for (int i = 0; i < decode_signals; i++) { | |
365 | settings.beginGroup("decode_signal" + QString::number(i)); | |
366 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
367 | signal->restore_settings(settings); | |
368 | settings.endGroup(); | |
369 | } | |
370 | #endif | |
371 | ||
372 | // Restore views | |
373 | int views = settings.value("views").toInt(); | |
374 | ||
375 | for (int i = 0; i < views; i++) { | |
376 | settings.beginGroup("view" + QString::number(i)); | |
377 | ||
378 | if (i > 0) { | |
379 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); | |
380 | add_view(type, this); | |
381 | views_.back()->restore_settings(settings); | |
382 | } else | |
383 | main_view_->restore_settings(settings); | |
384 | ||
385 | settings.endGroup(); | |
386 | } | |
387 | ||
388 | // Restore meta objects like markers and cursors | |
389 | int meta_objs = settings.value("meta_objs").toInt(); | |
390 | ||
391 | for (int i = 0; i < meta_objs; i++) { | |
392 | settings.beginGroup("meta_obj" + QString::number(i)); | |
393 | ||
394 | shared_ptr<views::ViewBase> vb; | |
395 | shared_ptr<views::trace::View> tv; | |
396 | if (settings.contains("assoc_view")) | |
397 | vb = views_.at(settings.value("assoc_view").toInt()); | |
398 | ||
399 | if (vb) | |
400 | tv = dynamic_pointer_cast<views::trace::View>(vb); | |
401 | ||
402 | const QString type = settings.value("type").toString(); | |
403 | ||
404 | if ((type == "time_marker") && tv) { | |
405 | Timestamp ts = GlobalSettings::restore_timestamp(settings, "time"); | |
406 | shared_ptr<views::trace::Flag> flag = tv->add_flag(ts); | |
407 | flag->set_text(settings.value("text").toString()); | |
408 | } | |
409 | ||
410 | if ((type == "selection") && tv) { | |
411 | Timestamp start = GlobalSettings::restore_timestamp(settings, "start_time"); | |
412 | Timestamp end = GlobalSettings::restore_timestamp(settings, "end_time"); | |
413 | tv->set_cursors(start, end); | |
414 | tv->show_cursors(); | |
415 | } | |
416 | ||
417 | settings.endGroup(); | |
418 | } | |
419 | } | |
420 | ||
421 | void Session::restore_settings(QSettings &settings) | |
422 | { | |
423 | shared_ptr<devices::Device> device; | |
424 | ||
425 | const QString device_type = settings.value("device_type").toString(); | |
426 | ||
427 | if (device_type == "hardware") { | |
428 | map<string, string> dev_info; | |
429 | list<string> key_list; | |
430 | ||
431 | // Re-select last used device if possible but only if it's not demo | |
432 | settings.beginGroup("device"); | |
433 | key_list.emplace_back("vendor"); | |
434 | key_list.emplace_back("model"); | |
435 | key_list.emplace_back("version"); | |
436 | key_list.emplace_back("serial_num"); | |
437 | key_list.emplace_back("connection_id"); | |
438 | ||
439 | for (string key : key_list) { | |
440 | const QString k = QString::fromStdString(key); | |
441 | if (!settings.contains(k)) | |
442 | continue; | |
443 | ||
444 | const string value = settings.value(k).toString().toStdString(); | |
445 | if (!value.empty()) | |
446 | dev_info.insert(make_pair(key, value)); | |
447 | } | |
448 | ||
449 | if (dev_info.count("model") > 0) | |
450 | device = device_manager_.find_device_from_info(dev_info); | |
451 | ||
452 | if (device) | |
453 | set_device(device); | |
454 | ||
455 | settings.endGroup(); | |
456 | } | |
457 | ||
458 | ||
459 | QString path; | |
460 | if ((device_type == "sessionfile") || (device_type == "inputfile")) { | |
461 | if (device_type == "sessionfile") { | |
462 | settings.beginGroup("device"); | |
463 | const QString filename = settings.value("filename").toString(); | |
464 | settings.endGroup(); | |
465 | ||
466 | if (QFileInfo(filename).isReadable()) { | |
467 | path = filename; | |
468 | device = make_shared<devices::SessionFile>(device_manager_.context(), | |
469 | filename.toStdString()); | |
470 | } | |
471 | } | |
472 | ||
473 | if (device_type == "inputfile") { | |
474 | settings.beginGroup("device"); | |
475 | device = make_shared<devices::InputFile>(device_manager_.context(), | |
476 | settings); | |
477 | settings.endGroup(); | |
478 | } | |
479 | ||
480 | if (device) { | |
481 | set_device(device); | |
482 | ||
483 | start_capture([](QString infoMessage) { | |
484 | // TODO Emulate noquote() | |
485 | qDebug() << "Session error:" << infoMessage; }); | |
486 | ||
487 | set_name(QString::fromStdString( | |
488 | dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_))); | |
489 | ||
490 | if (!path.isEmpty()) | |
491 | set_path(path); | |
492 | } | |
493 | } | |
494 | ||
495 | if (device) | |
496 | restore_setup(settings); | |
497 | } | |
498 | ||
499 | void Session::select_device(shared_ptr<devices::Device> device) | |
500 | { | |
501 | try { | |
502 | if (device) | |
503 | set_device(device); | |
504 | else | |
505 | set_default_device(); | |
506 | } catch (const QString &e) { | |
507 | MainWindow::show_session_error(tr("Failed to select device"), e); | |
508 | } | |
509 | } | |
510 | ||
511 | void Session::set_device(shared_ptr<devices::Device> device) | |
512 | { | |
513 | assert(device); | |
514 | ||
515 | // Ensure we are not capturing before setting the device | |
516 | stop_capture(); | |
517 | ||
518 | if (device_) | |
519 | device_->close(); | |
520 | ||
521 | device_.reset(); | |
522 | ||
523 | // Revert name back to default name (e.g. "Session 1") as the data is gone | |
524 | name_ = default_name_; | |
525 | name_changed(); | |
526 | ||
527 | // Remove all stored data and reset all views | |
528 | for (shared_ptr<views::ViewBase> view : views_) { | |
529 | view->clear_signalbases(); | |
530 | #ifdef ENABLE_DECODE | |
531 | view->clear_decode_signals(); | |
532 | #endif | |
533 | view->reset_view_state(); | |
534 | } | |
535 | ||
536 | for (SignalGroup* group : signal_groups_) { | |
537 | group->clear(); | |
538 | delete group; | |
539 | } | |
540 | signal_groups_.clear(); | |
541 | ||
542 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
543 | d->clear(); | |
544 | ||
545 | all_signal_data_.clear(); | |
546 | signalbases_.clear(); | |
547 | cur_logic_segment_.reset(); | |
548 | ||
549 | for (auto& entry : cur_analog_segments_) { | |
550 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
551 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
552 | } | |
553 | ||
554 | logic_data_.reset(); | |
555 | ||
556 | signals_changed(); | |
557 | ||
558 | device_ = move(device); | |
559 | ||
560 | try { | |
561 | device_->open(); | |
562 | } catch (const QString &e) { | |
563 | device_.reset(); | |
564 | MainWindow::show_session_error(tr("Failed to open device"), e); | |
565 | } | |
566 | ||
567 | if (device_) { | |
568 | device_->session()->add_datafeed_callback([=] | |
569 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
570 | data_feed_in(device, packet); | |
571 | }); | |
572 | ||
573 | update_signals(); | |
574 | } | |
575 | ||
576 | device_changed(); | |
577 | } | |
578 | ||
579 | void Session::set_default_device() | |
580 | { | |
581 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
582 | device_manager_.devices(); | |
583 | ||
584 | if (devices.empty()) | |
585 | return; | |
586 | ||
587 | // Try and find the demo device and select that by default | |
588 | const auto iter = find_if(devices.begin(), devices.end(), | |
589 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
590 | return d->hardware_device()->driver()->name() == "demo"; }); | |
591 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
592 | } | |
593 | ||
594 | bool Session::using_file_device() const | |
595 | { | |
596 | shared_ptr<devices::SessionFile> sessionfile_device = | |
597 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
598 | ||
599 | shared_ptr<devices::InputFile> inputfile_device = | |
600 | dynamic_pointer_cast<devices::InputFile>(device_); | |
601 | ||
602 | return (sessionfile_device || inputfile_device); | |
603 | } | |
604 | ||
605 | /** | |
606 | * Convert generic options to data types that are specific to InputFormat. | |
607 | * | |
608 | * @param[in] user_spec Vector of tokenized words, string format. | |
609 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
610 | * | |
611 | * @return Map of options suitable for InputFormat::create_input(). | |
612 | */ | |
613 | map<string, Glib::VariantBase> | |
614 | Session::input_format_options(vector<string> user_spec, | |
615 | map<string, shared_ptr<Option>> fmt_opts) | |
616 | { | |
617 | map<string, Glib::VariantBase> result; | |
618 | ||
619 | for (auto& entry : user_spec) { | |
620 | /* | |
621 | * Split key=value specs. Accept entries without separator | |
622 | * (for simplified boolean specifications). | |
623 | */ | |
624 | string key, val; | |
625 | size_t pos = entry.find("="); | |
626 | if (pos == std::string::npos) { | |
627 | key = entry; | |
628 | val = ""; | |
629 | } else { | |
630 | key = entry.substr(0, pos); | |
631 | val = entry.substr(pos + 1); | |
632 | } | |
633 | ||
634 | /* | |
635 | * Skip user specifications that are not a member of the | |
636 | * format's set of supported options. Have the text input | |
637 | * spec converted to the required input format specific | |
638 | * data type. | |
639 | */ | |
640 | auto found = fmt_opts.find(key); | |
641 | if (found == fmt_opts.end()) { | |
642 | qCritical() << "Supplied input option" << QString::fromStdString(key) << | |
643 | "is not a valid option for this input module, it will be ignored!"; | |
644 | continue; | |
645 | } | |
646 | ||
647 | shared_ptr<Option> opt = found->second; | |
648 | result[key] = opt->parse_string(val); | |
649 | } | |
650 | ||
651 | return result; | |
652 | } | |
653 | ||
654 | void Session::load_init_file(const string &file_name, | |
655 | const string &format, const string &setup_file_name) | |
656 | { | |
657 | shared_ptr<InputFormat> input_format; | |
658 | map<string, Glib::VariantBase> input_opts; | |
659 | ||
660 | if (!format.empty()) { | |
661 | const map<string, shared_ptr<InputFormat> > formats = | |
662 | device_manager_.context()->input_formats(); | |
663 | auto user_opts = pv::util::split_string(format, ":"); | |
664 | string user_name = user_opts.front(); | |
665 | user_opts.erase(user_opts.begin()); | |
666 | const auto iter = find_if(formats.begin(), formats.end(), | |
667 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
668 | return f.first == user_name; }); | |
669 | if (iter == formats.end()) { | |
670 | MainWindow::show_session_error(tr("Error"), | |
671 | tr("Unexpected input format: %1").arg(QString::fromStdString(format))); | |
672 | return; | |
673 | } | |
674 | input_format = (*iter).second; | |
675 | input_opts = input_format_options(user_opts, | |
676 | input_format->options()); | |
677 | } | |
678 | ||
679 | load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name), | |
680 | input_format, input_opts); | |
681 | } | |
682 | ||
683 | void Session::load_file(QString file_name, QString setup_file_name, | |
684 | shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options) | |
685 | { | |
686 | const QString errorMessage( | |
687 | QString("Failed to load file %1").arg(file_name)); | |
688 | ||
689 | // In the absence of a caller's format spec, try to auto detect. | |
690 | // Assume "sigrok session file" upon lookup miss. | |
691 | if (!format) | |
692 | format = device_manager_.context()->input_format_match(file_name.toStdString()); | |
693 | try { | |
694 | if (format) | |
695 | set_device(shared_ptr<devices::Device>( | |
696 | new devices::InputFile( | |
697 | device_manager_.context(), | |
698 | file_name.toStdString(), | |
699 | format, options))); | |
700 | else | |
701 | set_device(shared_ptr<devices::Device>( | |
702 | new devices::SessionFile( | |
703 | device_manager_.context(), | |
704 | file_name.toStdString()))); | |
705 | } catch (Error& e) { | |
706 | MainWindow::show_session_error(tr("Failed to load %1").arg(file_name), e.what()); | |
707 | set_default_device(); | |
708 | main_bar_->update_device_list(); | |
709 | return; | |
710 | } | |
711 | ||
712 | // Use the input file with .pvs extension if no setup file was given | |
713 | if (setup_file_name.isEmpty()) { | |
714 | setup_file_name = file_name; | |
715 | setup_file_name.truncate(setup_file_name.lastIndexOf('.')); | |
716 | setup_file_name.append(".pvs"); | |
717 | } | |
718 | ||
719 | if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) { | |
720 | QSettings settings_storage(setup_file_name, QSettings::IniFormat); | |
721 | restore_setup(settings_storage); | |
722 | } | |
723 | ||
724 | main_bar_->update_device_list(); | |
725 | ||
726 | start_capture([&, errorMessage](QString infoMessage) { | |
727 | MainWindow::show_session_error(errorMessage, infoMessage); }); | |
728 | ||
729 | set_path(file_name); | |
730 | } | |
731 | ||
732 | Session::capture_state Session::get_capture_state() const | |
733 | { | |
734 | lock_guard<mutex> lock(sampling_mutex_); | |
735 | return capture_state_; | |
736 | } | |
737 | ||
738 | void Session::start_capture(function<void (const QString)> error_handler) | |
739 | { | |
740 | if (!device_) { | |
741 | error_handler(tr("No active device set, can't start acquisition.")); | |
742 | return; | |
743 | } | |
744 | ||
745 | stop_capture(); | |
746 | ||
747 | // Check that at least one channel is enabled | |
748 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
749 | if (sr_dev) { | |
750 | const auto channels = sr_dev->channels(); | |
751 | if (!any_of(channels.begin(), channels.end(), | |
752 | [](shared_ptr<Channel> channel) { | |
753 | return channel->enabled(); })) { | |
754 | error_handler(tr("No channels enabled.")); | |
755 | return; | |
756 | } | |
757 | } | |
758 | ||
759 | // Clear signal data | |
760 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
761 | d->clear(); | |
762 | ||
763 | trigger_list_.clear(); | |
764 | ||
765 | // Revert name back to default name (e.g. "Session 1") for real devices | |
766 | // as the (possibly saved) data is gone. File devices keep their name. | |
767 | shared_ptr<devices::HardwareDevice> hw_device = | |
768 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
769 | ||
770 | if (hw_device) { | |
771 | name_ = default_name_; | |
772 | name_changed(); | |
773 | } | |
774 | ||
775 | // Begin the session | |
776 | sampling_thread_ = std::thread( | |
777 | &Session::sample_thread_proc, this, error_handler); | |
778 | } | |
779 | ||
780 | void Session::stop_capture() | |
781 | { | |
782 | if (get_capture_state() != Stopped) | |
783 | device_->stop(); | |
784 | ||
785 | // Check that sampling stopped | |
786 | if (sampling_thread_.joinable()) | |
787 | sampling_thread_.join(); | |
788 | } | |
789 | ||
790 | void Session::register_view(shared_ptr<views::ViewBase> view) | |
791 | { | |
792 | if (views_.empty()) | |
793 | main_view_ = view; | |
794 | ||
795 | views_.push_back(view); | |
796 | ||
797 | // Add all device signals | |
798 | update_signals(); | |
799 | ||
800 | // Add all other signals | |
801 | vector< shared_ptr<data::SignalBase> > view_signalbases = view->signalbases(); | |
802 | ||
803 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
804 | const int sb_exists = count_if( | |
805 | view_signalbases.cbegin(), view_signalbases.cend(), | |
806 | [&](const shared_ptr<data::SignalBase> &sb) { | |
807 | return sb == signalbase; | |
808 | }); | |
809 | ||
810 | // Add the signal to the view if it doesn't have it yet | |
811 | if (!sb_exists) | |
812 | switch (signalbase->type()) { | |
813 | case data::SignalBase::AnalogChannel: | |
814 | case data::SignalBase::LogicChannel: | |
815 | case data::SignalBase::MathChannel: | |
816 | view->add_signalbase(signalbase); | |
817 | break; | |
818 | case data::SignalBase::DecodeChannel: | |
819 | #ifdef ENABLE_DECODE | |
820 | view->add_decode_signal(dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
821 | #endif | |
822 | break; | |
823 | } | |
824 | } | |
825 | ||
826 | signals_changed(); | |
827 | } | |
828 | ||
829 | void Session::deregister_view(shared_ptr<views::ViewBase> view) | |
830 | { | |
831 | views_.erase(std::remove_if(views_.begin(), views_.end(), | |
832 | [&](shared_ptr<views::ViewBase> v) { return v == view; }), | |
833 | views_.end()); | |
834 | ||
835 | if (views_.empty()) { | |
836 | main_view_.reset(); | |
837 | ||
838 | // Without a view there can be no main bar | |
839 | main_bar_.reset(); | |
840 | } | |
841 | } | |
842 | ||
843 | bool Session::has_view(shared_ptr<views::ViewBase> view) | |
844 | { | |
845 | for (shared_ptr<views::ViewBase>& v : views_) | |
846 | if (v == view) | |
847 | return true; | |
848 | ||
849 | return false; | |
850 | } | |
851 | ||
852 | double Session::get_samplerate() const | |
853 | { | |
854 | double samplerate = 0.0; | |
855 | ||
856 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
857 | assert(d); | |
858 | const vector< shared_ptr<pv::data::Segment> > segments = | |
859 | d->segments(); | |
860 | for (const shared_ptr<pv::data::Segment>& s : segments) | |
861 | samplerate = max(samplerate, s->samplerate()); | |
862 | } | |
863 | // If there is no sample rate given we use samples as unit | |
864 | if (samplerate == 0.0) | |
865 | samplerate = 1.0; | |
866 | ||
867 | return samplerate; | |
868 | } | |
869 | ||
870 | uint32_t Session::get_segment_count() const | |
871 | { | |
872 | uint32_t value = 0; | |
873 | ||
874 | // Find the highest number of segments | |
875 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) | |
876 | if (data->get_segment_count() > value) | |
877 | value = data->get_segment_count(); | |
878 | ||
879 | return value; | |
880 | } | |
881 | ||
882 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const | |
883 | { | |
884 | vector<util::Timestamp> result; | |
885 | ||
886 | for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_) | |
887 | if (entry.first == segment_id) | |
888 | result.push_back(entry.second); | |
889 | ||
890 | return result; | |
891 | } | |
892 | ||
893 | const vector< shared_ptr<data::SignalBase> > Session::signalbases() const | |
894 | { | |
895 | return signalbases_; | |
896 | } | |
897 | ||
898 | void Session::add_generated_signal(shared_ptr<data::SignalBase> signal) | |
899 | { | |
900 | signalbases_.push_back(signal); | |
901 | ||
902 | for (shared_ptr<views::ViewBase>& view : views_) | |
903 | view->add_signalbase(signal); | |
904 | ||
905 | update_signals(); | |
906 | } | |
907 | ||
908 | void Session::remove_generated_signal(shared_ptr<data::SignalBase> signal) | |
909 | { | |
910 | if (shutting_down_) | |
911 | return; | |
912 | ||
913 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
914 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
915 | signalbases_.end()); | |
916 | ||
917 | for (shared_ptr<views::ViewBase>& view : views_) | |
918 | view->remove_signalbase(signal); | |
919 | ||
920 | update_signals(); | |
921 | } | |
922 | ||
923 | #ifdef ENABLE_DECODE | |
924 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() | |
925 | { | |
926 | shared_ptr<data::DecodeSignal> signal; | |
927 | ||
928 | try { | |
929 | // Create the decode signal | |
930 | signal = make_shared<data::DecodeSignal>(*this); | |
931 | ||
932 | signalbases_.push_back(signal); | |
933 | ||
934 | // Add the decode signal to all views | |
935 | for (shared_ptr<views::ViewBase>& view : views_) | |
936 | view->add_decode_signal(signal); | |
937 | } catch (runtime_error& e) { | |
938 | remove_decode_signal(signal); | |
939 | return nullptr; | |
940 | } | |
941 | ||
942 | signals_changed(); | |
943 | ||
944 | return signal; | |
945 | } | |
946 | ||
947 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
948 | { | |
949 | if (shutting_down_) | |
950 | return; | |
951 | ||
952 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
953 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
954 | signalbases_.end()); | |
955 | ||
956 | for (shared_ptr<views::ViewBase>& view : views_) | |
957 | view->remove_decode_signal(signal); | |
958 | ||
959 | signals_changed(); | |
960 | } | |
961 | #endif | |
962 | ||
963 | bool Session::all_segments_complete(uint32_t segment_id) const | |
964 | { | |
965 | bool all_complete = true; | |
966 | ||
967 | for (const shared_ptr<data::SignalBase>& base : signalbases_) | |
968 | if (!base->segment_is_complete(segment_id)) | |
969 | all_complete = false; | |
970 | ||
971 | return all_complete; | |
972 | } | |
973 | ||
974 | MetadataObjManager* Session::metadata_obj_manager() | |
975 | { | |
976 | return &metadata_obj_manager_; | |
977 | } | |
978 | ||
979 | void Session::set_capture_state(capture_state state) | |
980 | { | |
981 | bool changed; | |
982 | ||
983 | if (state == Running) | |
984 | acq_time_.restart(); | |
985 | if (state == Stopped) | |
986 | qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.); | |
987 | ||
988 | { | |
989 | lock_guard<mutex> lock(sampling_mutex_); | |
990 | changed = capture_state_ != state; | |
991 | capture_state_ = state; | |
992 | } | |
993 | ||
994 | if (changed) | |
995 | capture_state_changed(state); | |
996 | } | |
997 | ||
998 | void Session::update_signals() | |
999 | { | |
1000 | if (!device_) { | |
1001 | signalbases_.clear(); | |
1002 | logic_data_.reset(); | |
1003 | for (shared_ptr<views::ViewBase>& view : views_) { | |
1004 | view->clear_signalbases(); | |
1005 | #ifdef ENABLE_DECODE | |
1006 | view->clear_decode_signals(); | |
1007 | #endif | |
1008 | } | |
1009 | return; | |
1010 | } | |
1011 | ||
1012 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1013 | ||
1014 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
1015 | if (!sr_dev) { | |
1016 | signalbases_.clear(); | |
1017 | logic_data_.reset(); | |
1018 | for (shared_ptr<views::ViewBase>& view : views_) { | |
1019 | view->clear_signalbases(); | |
1020 | #ifdef ENABLE_DECODE | |
1021 | view->clear_decode_signals(); | |
1022 | #endif | |
1023 | } | |
1024 | return; | |
1025 | } | |
1026 | ||
1027 | // Detect what data types we will receive | |
1028 | auto channels = sr_dev->channels(); | |
1029 | unsigned int logic_channel_count = count_if( | |
1030 | channels.begin(), channels.end(), | |
1031 | [] (shared_ptr<Channel> channel) { | |
1032 | return channel->type() == sigrok::ChannelType::LOGIC; }); | |
1033 | ||
1034 | // Create a common data container for the logic signalbases | |
1035 | { | |
1036 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
1037 | ||
1038 | if (logic_channel_count == 0) { | |
1039 | logic_data_.reset(); | |
1040 | } else if (!logic_data_ || | |
1041 | logic_data_->num_channels() != logic_channel_count) { | |
1042 | logic_data_.reset(new data::Logic(logic_channel_count)); | |
1043 | assert(logic_data_); | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | // Create signalbases if necessary | |
1048 | for (auto channel : sr_dev->channels()) { | |
1049 | ||
1050 | // Try to find the channel in the list of existing signalbases | |
1051 | const auto iter = find_if(signalbases_.cbegin(), signalbases_.cend(), | |
1052 | [&](const shared_ptr<SignalBase> &sb) { return sb->channel() == channel; }); | |
1053 | ||
1054 | // Not found, let's make a signalbase for it | |
1055 | if (iter == signalbases_.cend()) { | |
1056 | shared_ptr<SignalBase> signalbase; | |
1057 | switch(channel->type()->id()) { | |
1058 | case SR_CHANNEL_LOGIC: | |
1059 | signalbase = make_shared<data::SignalBase>(channel, data::SignalBase::LogicChannel); | |
1060 | signalbases_.push_back(signalbase); | |
1061 | ||
1062 | all_signal_data_.insert(logic_data_); | |
1063 | signalbase->set_data(logic_data_); | |
1064 | ||
1065 | connect(this, SIGNAL(capture_state_changed(int)), | |
1066 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1067 | break; | |
1068 | ||
1069 | case SR_CHANNEL_ANALOG: | |
1070 | signalbase = make_shared<data::SignalBase>(channel, data::SignalBase::AnalogChannel); | |
1071 | signalbases_.push_back(signalbase); | |
1072 | ||
1073 | shared_ptr<data::Analog> data(new data::Analog()); | |
1074 | all_signal_data_.insert(data); | |
1075 | signalbase->set_data(data); | |
1076 | ||
1077 | connect(this, SIGNAL(capture_state_changed(int)), | |
1078 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1079 | break; | |
1080 | } | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | // Create and assign default signal groups if needed | |
1085 | if (signal_groups_.empty()) { | |
1086 | for (auto& entry : sr_dev->channel_groups()) { | |
1087 | const shared_ptr<sigrok::ChannelGroup>& group = entry.second; | |
1088 | ||
1089 | if (group->channels().size() <= 1) | |
1090 | continue; | |
1091 | ||
1092 | SignalGroup* sg = new SignalGroup(QString::fromStdString(entry.first)); | |
1093 | for (const shared_ptr<sigrok::Channel>& channel : group->channels()) { | |
1094 | for (shared_ptr<data::SignalBase> s : signalbases_) { | |
1095 | if (s->channel() == channel) { | |
1096 | sg->append_signal(s); | |
1097 | break; | |
1098 | } | |
1099 | } | |
1100 | } | |
1101 | signal_groups_.emplace_back(sg); | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | // Update all views | |
1106 | for (shared_ptr<views::ViewBase>& viewbase : views_) { | |
1107 | vector< shared_ptr<SignalBase> > view_signalbases = | |
1108 | viewbase->signalbases(); | |
1109 | ||
1110 | // Add all non-decode signalbases that don't yet exist in the view | |
1111 | for (shared_ptr<SignalBase>& session_sb : signalbases_) { | |
1112 | if (session_sb->type() == SignalBase::DecodeChannel) | |
1113 | continue; | |
1114 | ||
1115 | const auto iter = find_if(view_signalbases.cbegin(), view_signalbases.cend(), | |
1116 | [&](const shared_ptr<SignalBase> &sb) { return sb == session_sb; }); | |
1117 | ||
1118 | if (iter == view_signalbases.cend()) | |
1119 | viewbase->add_signalbase(session_sb); | |
1120 | } | |
1121 | ||
1122 | // Remove all non-decode signalbases that no longer exist | |
1123 | for (shared_ptr<SignalBase>& view_sb : view_signalbases) { | |
1124 | if (view_sb->type() == SignalBase::DecodeChannel) | |
1125 | continue; | |
1126 | ||
1127 | const auto iter = find_if(signalbases_.cbegin(), signalbases_.cend(), | |
1128 | [&](const shared_ptr<SignalBase> &sb) { return sb == view_sb; }); | |
1129 | ||
1130 | if (iter == signalbases_.cend()) | |
1131 | viewbase->remove_signalbase(view_sb); | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | signals_changed(); | |
1136 | } | |
1137 | ||
1138 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
1139 | shared_ptr<sigrok::Channel> channel) const | |
1140 | { | |
1141 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
1142 | assert(sig); | |
1143 | if (sig->channel() == channel) | |
1144 | return sig; | |
1145 | } | |
1146 | return shared_ptr<data::SignalBase>(); | |
1147 | } | |
1148 | ||
1149 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
1150 | { | |
1151 | assert(error_handler); | |
1152 | ||
1153 | #ifdef ENABLE_FLOW | |
1154 | pipeline_ = Pipeline::create(); | |
1155 | ||
1156 | source_ = ElementFactory::create_element("filesrc", "source"); | |
1157 | sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink")); | |
1158 | ||
1159 | pipeline_->add(source_)->add(sink_); | |
1160 | source_->link(sink_); | |
1161 | ||
1162 | source_->set_property("location", Glib::ustring("/tmp/dummy_binary")); | |
1163 | ||
1164 | sink_->set_property("emit-signals", TRUE); | |
1165 | sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample)); | |
1166 | ||
1167 | // Get the bus from the pipeline and add a bus watch to the default main context | |
1168 | RefPtr<Bus> bus = pipeline_->get_bus(); | |
1169 | bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message)); | |
1170 | ||
1171 | // Start pipeline and Wait until it finished processing | |
1172 | pipeline_done_interrupt_ = false; | |
1173 | pipeline_->set_state(Gst::STATE_PLAYING); | |
1174 | ||
1175 | unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_); | |
1176 | pipeline_done_cond_.wait(pipeline_done_lock_); | |
1177 | ||
1178 | // Let the pipeline free all resources | |
1179 | pipeline_->set_state(Gst::STATE_NULL); | |
1180 | ||
1181 | #else | |
1182 | if (!device_) | |
1183 | return; | |
1184 | ||
1185 | try { | |
1186 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1187 | } catch (Error& e) { | |
1188 | cur_samplerate_ = 0; | |
1189 | } | |
1190 | ||
1191 | out_of_memory_ = false; | |
1192 | ||
1193 | { | |
1194 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1195 | cur_logic_segment_.reset(); | |
1196 | cur_analog_segments_.clear(); | |
1197 | for (shared_ptr<data::SignalBase> sb : signalbases_) | |
1198 | sb->clear_sample_data(); | |
1199 | } | |
1200 | highest_segment_id_ = -1; | |
1201 | frame_began_ = false; | |
1202 | ||
1203 | try { | |
1204 | device_->start(); | |
1205 | } catch (Error& e) { | |
1206 | error_handler(e.what()); | |
1207 | return; | |
1208 | } | |
1209 | ||
1210 | set_capture_state(device_->session()->trigger() ? | |
1211 | AwaitingTrigger : Running); | |
1212 | ||
1213 | try { | |
1214 | device_->run(); | |
1215 | } catch (Error& e) { | |
1216 | error_handler(e.what()); | |
1217 | set_capture_state(Stopped); | |
1218 | return; | |
1219 | } catch (QString& e) { | |
1220 | error_handler(e); | |
1221 | set_capture_state(Stopped); | |
1222 | return; | |
1223 | } | |
1224 | ||
1225 | set_capture_state(Stopped); | |
1226 | ||
1227 | // Confirm that SR_DF_END was received | |
1228 | if (cur_logic_segment_) | |
1229 | qDebug() << "WARNING: SR_DF_END was not received."; | |
1230 | #endif | |
1231 | ||
1232 | // Optimize memory usage | |
1233 | free_unused_memory(); | |
1234 | ||
1235 | // We now have unsaved data unless we just "captured" from a file | |
1236 | shared_ptr<devices::File> file_device = | |
1237 | dynamic_pointer_cast<devices::File>(device_); | |
1238 | ||
1239 | if (!file_device) | |
1240 | data_saved_ = false; | |
1241 | ||
1242 | if (out_of_memory_) | |
1243 | error_handler(tr("Out of memory, acquisition stopped.")); | |
1244 | } | |
1245 | ||
1246 | void Session::free_unused_memory() | |
1247 | { | |
1248 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) { | |
1249 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
1250 | ||
1251 | for (const shared_ptr<data::Segment>& segment : segments) | |
1252 | segment->free_unused_memory(); | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | void Session::signal_new_segment() | |
1257 | { | |
1258 | int new_segment_id = 0; | |
1259 | ||
1260 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
1261 | ||
1262 | // Determine new frame/segment number, assuming that all | |
1263 | // signals have the same number of frames/segments | |
1264 | if (cur_logic_segment_) { | |
1265 | new_segment_id = logic_data_->get_segment_count() - 1; | |
1266 | } else { | |
1267 | shared_ptr<sigrok::Channel> any_channel = | |
1268 | (*cur_analog_segments_.begin()).first; | |
1269 | ||
1270 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1271 | assert(base); | |
1272 | ||
1273 | shared_ptr<data::Analog> data(base->analog_data()); | |
1274 | assert(data); | |
1275 | ||
1276 | new_segment_id = data->get_segment_count() - 1; | |
1277 | } | |
1278 | } | |
1279 | ||
1280 | if (new_segment_id > highest_segment_id_) { | |
1281 | highest_segment_id_ = new_segment_id; | |
1282 | new_segment(highest_segment_id_); | |
1283 | } | |
1284 | } | |
1285 | ||
1286 | void Session::signal_segment_completed() | |
1287 | { | |
1288 | int segment_id = 0; | |
1289 | ||
1290 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
1291 | // We only care about analog and logic channels, not derived ones | |
1292 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1293 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1294 | break; | |
1295 | } | |
1296 | ||
1297 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1298 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1299 | break; | |
1300 | } | |
1301 | } | |
1302 | ||
1303 | if (segment_id >= 0) | |
1304 | segment_completed(segment_id); | |
1305 | } | |
1306 | ||
1307 | #ifdef ENABLE_FLOW | |
1308 | bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message) | |
1309 | { | |
1310 | (void)bus; | |
1311 | ||
1312 | if ((message->get_source() == pipeline_) && \ | |
1313 | ((message->get_message_type() == Gst::MESSAGE_EOS))) | |
1314 | pipeline_done_cond_.notify_one(); | |
1315 | ||
1316 | // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications | |
1317 | ||
1318 | return true; | |
1319 | } | |
1320 | ||
1321 | Gst::FlowReturn Session::on_gst_new_sample() | |
1322 | { | |
1323 | RefPtr<Gst::Sample> sample = sink_->pull_sample(); | |
1324 | RefPtr<Gst::Buffer> buf = sample->get_buffer(); | |
1325 | ||
1326 | for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) { | |
1327 | RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id); | |
1328 | Gst::MapInfo mapinfo; | |
1329 | buf_mem->map(mapinfo, Gst::MAP_READ); | |
1330 | ||
1331 | shared_ptr<sigrok::Packet> logic_packet = | |
1332 | sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1); | |
1333 | ||
1334 | try { | |
1335 | feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload())); | |
1336 | } catch (bad_alloc&) { | |
1337 | out_of_memory_ = true; | |
1338 | device_->stop(); | |
1339 | buf_mem->unmap(mapinfo); | |
1340 | return Gst::FLOW_ERROR; | |
1341 | } | |
1342 | ||
1343 | buf_mem->unmap(mapinfo); | |
1344 | } | |
1345 | ||
1346 | return Gst::FLOW_OK; | |
1347 | } | |
1348 | #endif | |
1349 | ||
1350 | void Session::feed_in_header() | |
1351 | { | |
1352 | // Nothing to do here for now | |
1353 | } | |
1354 | ||
1355 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
1356 | { | |
1357 | for (auto& entry : meta->config()) { | |
1358 | switch (entry.first->id()) { | |
1359 | case SR_CONF_SAMPLERATE: | |
1360 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1361 | break; | |
1362 | default: | |
1363 | qDebug() << "Received meta data key" << entry.first->id() << ", ignoring."; | |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | ||
1368 | signals_changed(); | |
1369 | } | |
1370 | ||
1371 | void Session::feed_in_trigger() | |
1372 | { | |
1373 | // The channel containing most samples should be most accurate | |
1374 | uint64_t sample_count = 0; | |
1375 | ||
1376 | { | |
1377 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
1378 | assert(d); | |
1379 | uint64_t temp_count = 0; | |
1380 | ||
1381 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1382 | d->segments(); | |
1383 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1384 | temp_count += s->get_sample_count(); | |
1385 | ||
1386 | if (temp_count > sample_count) | |
1387 | sample_count = temp_count; | |
1388 | } | |
1389 | } | |
1390 | ||
1391 | uint32_t segment_id = 0; // Default segment when no frames are used | |
1392 | ||
1393 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1394 | // the trigger. However, as new segments are only created when logic or | |
1395 | // analog data comes in, this doesn't work if the trigger appears right | |
1396 | // after the beginning of the frame, before any sample data. | |
1397 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1398 | // yet and the highest segment ID otherwise. | |
1399 | if (frame_began_) { | |
1400 | segment_id = highest_segment_id_; | |
1401 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1402 | segment_id++; | |
1403 | } | |
1404 | ||
1405 | // TODO Create timestamp from segment start time + segment's current sample count | |
1406 | util::Timestamp timestamp = sample_count / get_samplerate(); | |
1407 | trigger_list_.emplace_back(segment_id, timestamp); | |
1408 | trigger_event(segment_id, timestamp); | |
1409 | } | |
1410 | ||
1411 | void Session::feed_in_frame_begin() | |
1412 | { | |
1413 | frame_began_ = true; | |
1414 | } | |
1415 | ||
1416 | void Session::feed_in_frame_end() | |
1417 | { | |
1418 | if (!frame_began_) | |
1419 | return; | |
1420 | ||
1421 | { | |
1422 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1423 | ||
1424 | if (cur_logic_segment_) | |
1425 | cur_logic_segment_->set_complete(); | |
1426 | ||
1427 | for (auto& entry : cur_analog_segments_) { | |
1428 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1429 | segment->set_complete(); | |
1430 | } | |
1431 | ||
1432 | cur_logic_segment_.reset(); | |
1433 | cur_analog_segments_.clear(); | |
1434 | } | |
1435 | ||
1436 | frame_began_ = false; | |
1437 | ||
1438 | signal_segment_completed(); | |
1439 | } | |
1440 | ||
1441 | void Session::feed_in_logic(shared_ptr<sigrok::Logic> logic) | |
1442 | { | |
1443 | if (logic->data_length() == 0) { | |
1444 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1445 | return; | |
1446 | } | |
1447 | ||
1448 | if (logic->unit_size() > 8) | |
1449 | throw QString(tr("Can't handle more than 64 logic channels.")); | |
1450 | ||
1451 | if (!cur_samplerate_) | |
1452 | try { | |
1453 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1454 | } catch (Error& e) { | |
1455 | // Do nothing | |
1456 | } | |
1457 | ||
1458 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1459 | ||
1460 | if (!logic_data_) { | |
1461 | // The only reason logic_data_ would not have been created is | |
1462 | // if it was not possible to determine the signals when the | |
1463 | // device was created. | |
1464 | update_signals(); | |
1465 | } | |
1466 | ||
1467 | if (!cur_logic_segment_) { | |
1468 | // This could be the first packet after a trigger | |
1469 | set_capture_state(Running); | |
1470 | ||
1471 | // Create a new data segment | |
1472 | cur_logic_segment_ = make_shared<data::LogicSegment>( | |
1473 | *logic_data_, logic_data_->get_segment_count(), | |
1474 | logic->unit_size(), cur_samplerate_); | |
1475 | logic_data_->push_segment(cur_logic_segment_); | |
1476 | ||
1477 | signal_new_segment(); | |
1478 | } | |
1479 | ||
1480 | cur_logic_segment_->append_payload(logic); | |
1481 | ||
1482 | data_received(); | |
1483 | } | |
1484 | ||
1485 | void Session::feed_in_analog(shared_ptr<sigrok::Analog> analog) | |
1486 | { | |
1487 | if (analog->num_samples() == 0) { | |
1488 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1489 | return; | |
1490 | } | |
1491 | ||
1492 | if (!cur_samplerate_) | |
1493 | try { | |
1494 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1495 | } catch (Error& e) { | |
1496 | // Do nothing | |
1497 | } | |
1498 | ||
1499 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1500 | ||
1501 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
1502 | bool sweep_beginning = false; | |
1503 | ||
1504 | unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]); | |
1505 | analog->get_data_as_float(data.get()); | |
1506 | ||
1507 | if (signalbases_.empty()) | |
1508 | update_signals(); | |
1509 | ||
1510 | float *channel_data = data.get(); | |
1511 | for (auto& channel : channels) { | |
1512 | shared_ptr<data::AnalogSegment> segment; | |
1513 | ||
1514 | // Try to get the segment of the channel | |
1515 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1516 | iterator iter = cur_analog_segments_.find(channel); | |
1517 | if (iter != cur_analog_segments_.end()) | |
1518 | segment = (*iter).second; | |
1519 | else { | |
1520 | // If no segment was found, this means we haven't | |
1521 | // created one yet. i.e. this is the first packet | |
1522 | // in the sweep containing this segment. | |
1523 | sweep_beginning = true; | |
1524 | ||
1525 | // Find the analog data associated with the channel | |
1526 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
1527 | assert(base); | |
1528 | ||
1529 | shared_ptr<data::Analog> data(base->analog_data()); | |
1530 | assert(data); | |
1531 | ||
1532 | // Create a segment, keep it in the maps of channels | |
1533 | segment = make_shared<data::AnalogSegment>( | |
1534 | *data, data->get_segment_count(), cur_samplerate_); | |
1535 | cur_analog_segments_[channel] = segment; | |
1536 | ||
1537 | // Push the segment into the analog data. | |
1538 | data->push_segment(segment); | |
1539 | ||
1540 | signal_new_segment(); | |
1541 | } | |
1542 | ||
1543 | assert(segment); | |
1544 | ||
1545 | // Append the samples in the segment | |
1546 | segment->append_interleaved_samples(channel_data++, analog->num_samples(), | |
1547 | channels.size()); | |
1548 | } | |
1549 | ||
1550 | if (sweep_beginning) { | |
1551 | // This could be the first packet after a trigger | |
1552 | set_capture_state(Running); | |
1553 | } | |
1554 | ||
1555 | data_received(); | |
1556 | } | |
1557 | ||
1558 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
1559 | shared_ptr<Packet> packet) | |
1560 | { | |
1561 | (void)device; | |
1562 | ||
1563 | assert(device); | |
1564 | assert(device == device_->device()); | |
1565 | assert(packet); | |
1566 | ||
1567 | switch (packet->type()->id()) { | |
1568 | case SR_DF_HEADER: | |
1569 | feed_in_header(); | |
1570 | break; | |
1571 | ||
1572 | case SR_DF_META: | |
1573 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
1574 | break; | |
1575 | ||
1576 | case SR_DF_TRIGGER: | |
1577 | feed_in_trigger(); | |
1578 | break; | |
1579 | ||
1580 | case SR_DF_LOGIC: | |
1581 | try { | |
1582 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
1583 | } catch (bad_alloc&) { | |
1584 | out_of_memory_ = true; | |
1585 | device_->stop(); | |
1586 | } | |
1587 | break; | |
1588 | ||
1589 | case SR_DF_ANALOG: | |
1590 | try { | |
1591 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
1592 | } catch (bad_alloc&) { | |
1593 | out_of_memory_ = true; | |
1594 | device_->stop(); | |
1595 | } | |
1596 | break; | |
1597 | ||
1598 | case SR_DF_FRAME_BEGIN: | |
1599 | feed_in_frame_begin(); | |
1600 | break; | |
1601 | ||
1602 | case SR_DF_FRAME_END: | |
1603 | feed_in_frame_end(); | |
1604 | break; | |
1605 | ||
1606 | case SR_DF_END: | |
1607 | // Strictly speaking, this is performed when a frame end marker was | |
1608 | // received, so there's no point doing this again. However, not all | |
1609 | // devices use frames, and for those devices, we need to do it here. | |
1610 | { | |
1611 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1612 | ||
1613 | if (cur_logic_segment_) | |
1614 | cur_logic_segment_->set_complete(); | |
1615 | ||
1616 | for (auto& entry : cur_analog_segments_) { | |
1617 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1618 | segment->set_complete(); | |
1619 | } | |
1620 | ||
1621 | cur_logic_segment_.reset(); | |
1622 | cur_analog_segments_.clear(); | |
1623 | } | |
1624 | break; | |
1625 | ||
1626 | default: | |
1627 | break; | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | void Session::on_data_saved() | |
1632 | { | |
1633 | data_saved_ = true; | |
1634 | } | |
1635 | ||
1636 | #ifdef ENABLE_DECODE | |
1637 | void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders) | |
1638 | { | |
1639 | assert(decoders.size() > 0); | |
1640 | ||
1641 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
1642 | ||
1643 | if (signal) | |
1644 | for (unsigned int i = 0; i < decoders.size(); i++) { | |
1645 | const srd_decoder* d = decoders[i]; | |
1646 | signal->stack_decoder(d, !(i < decoders.size() - 1)); | |
1647 | } | |
1648 | } | |
1649 | #endif | |
1650 | ||
1651 | } // namespace pv |