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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 <QDir> | |
29 | #include <QFileInfo> | |
30 | ||
31 | #include "devicemanager.hpp" | |
32 | #include "mainwindow.hpp" | |
33 | #include "session.hpp" | |
34 | #include "util.hpp" | |
35 | ||
36 | #include "data/analog.hpp" | |
37 | #include "data/analogsegment.hpp" | |
38 | #include "data/decode/decoder.hpp" | |
39 | #include "data/logic.hpp" | |
40 | #include "data/logicsegment.hpp" | |
41 | #include "data/mathsignal.hpp" | |
42 | #include "data/signalbase.hpp" | |
43 | ||
44 | #include "devices/hardwaredevice.hpp" | |
45 | #include "devices/inputfile.hpp" | |
46 | #include "devices/sessionfile.hpp" | |
47 | ||
48 | #include "toolbars/mainbar.hpp" | |
49 | ||
50 | #include "views/trace/analogsignal.hpp" | |
51 | #include "views/trace/decodetrace.hpp" | |
52 | #include "views/trace/logicsignal.hpp" | |
53 | #include "views/trace/signal.hpp" | |
54 | #include "views/trace/view.hpp" | |
55 | ||
56 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
57 | ||
58 | #ifdef ENABLE_FLOW | |
59 | #include <gstreamermm.h> | |
60 | #include <libsigrokflow/libsigrokflow.hpp> | |
61 | #endif | |
62 | ||
63 | #ifdef ENABLE_DECODE | |
64 | #include <libsigrokdecode/libsigrokdecode.h> | |
65 | #include "data/decodesignal.hpp" | |
66 | #endif | |
67 | ||
68 | using std::bad_alloc; | |
69 | using std::dynamic_pointer_cast; | |
70 | using std::find_if; | |
71 | using std::function; | |
72 | using std::list; | |
73 | using std::lock_guard; | |
74 | using std::make_pair; | |
75 | using std::make_shared; | |
76 | using std::map; | |
77 | using std::max; | |
78 | using std::move; | |
79 | using std::mutex; | |
80 | using std::pair; | |
81 | using std::recursive_mutex; | |
82 | using std::runtime_error; | |
83 | using std::shared_ptr; | |
84 | using std::string; | |
85 | #ifdef ENABLE_FLOW | |
86 | using std::unique_lock; | |
87 | #endif | |
88 | using std::unique_ptr; | |
89 | using std::vector; | |
90 | ||
91 | using sigrok::Analog; | |
92 | using sigrok::Channel; | |
93 | using sigrok::ConfigKey; | |
94 | using sigrok::DatafeedCallbackFunction; | |
95 | using sigrok::Error; | |
96 | using sigrok::InputFormat; | |
97 | using sigrok::Logic; | |
98 | using sigrok::Meta; | |
99 | using sigrok::Packet; | |
100 | using sigrok::Session; | |
101 | ||
102 | using Glib::VariantBase; | |
103 | ||
104 | #ifdef ENABLE_FLOW | |
105 | using Gst::Bus; | |
106 | using Gst::ElementFactory; | |
107 | using Gst::Pipeline; | |
108 | #endif | |
109 | ||
110 | using pv::data::SignalGroup; | |
111 | using pv::util::Timestamp; | |
112 | using pv::views::trace::Signal; | |
113 | using pv::views::trace::AnalogSignal; | |
114 | using pv::views::trace::LogicSignal; | |
115 | ||
116 | namespace pv { | |
117 | ||
118 | shared_ptr<sigrok::Context> Session::sr_context; | |
119 | ||
120 | Session::Session(DeviceManager &device_manager, QString name) : | |
121 | shutting_down_(false), | |
122 | device_manager_(device_manager), | |
123 | default_name_(name), | |
124 | name_(name), | |
125 | capture_state_(Stopped), | |
126 | cur_samplerate_(0), | |
127 | data_saved_(true) | |
128 | { | |
129 | } | |
130 | ||
131 | Session::~Session() | |
132 | { | |
133 | shutting_down_ = true; | |
134 | ||
135 | // Stop and join to the thread | |
136 | stop_capture(); | |
137 | ||
138 | for (SignalGroup* group : signal_groups_) { | |
139 | group->clear(); | |
140 | delete group; | |
141 | } | |
142 | } | |
143 | ||
144 | DeviceManager& Session::device_manager() | |
145 | { | |
146 | return device_manager_; | |
147 | } | |
148 | ||
149 | const DeviceManager& Session::device_manager() const | |
150 | { | |
151 | return device_manager_; | |
152 | } | |
153 | ||
154 | shared_ptr<sigrok::Session> Session::session() const | |
155 | { | |
156 | if (!device_) | |
157 | return shared_ptr<sigrok::Session>(); | |
158 | return device_->session(); | |
159 | } | |
160 | ||
161 | shared_ptr<devices::Device> Session::device() const | |
162 | { | |
163 | return device_; | |
164 | } | |
165 | ||
166 | QString Session::name() const | |
167 | { | |
168 | return name_; | |
169 | } | |
170 | ||
171 | void Session::set_name(QString name) | |
172 | { | |
173 | if (default_name_.isEmpty()) | |
174 | default_name_ = name; | |
175 | ||
176 | name_ = name; | |
177 | ||
178 | name_changed(); | |
179 | } | |
180 | ||
181 | QString Session::save_path() const | |
182 | { | |
183 | return save_path_; | |
184 | } | |
185 | ||
186 | void Session::set_save_path(QString path) | |
187 | { | |
188 | save_path_ = path; | |
189 | } | |
190 | ||
191 | const vector< shared_ptr<views::ViewBase> > Session::views() const | |
192 | { | |
193 | return views_; | |
194 | } | |
195 | ||
196 | shared_ptr<views::ViewBase> Session::main_view() const | |
197 | { | |
198 | return main_view_; | |
199 | } | |
200 | ||
201 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) | |
202 | { | |
203 | main_bar_ = main_bar; | |
204 | } | |
205 | ||
206 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
207 | { | |
208 | return main_bar_; | |
209 | } | |
210 | ||
211 | bool Session::data_saved() const | |
212 | { | |
213 | return data_saved_; | |
214 | } | |
215 | ||
216 | void Session::save_setup(QSettings &settings) const | |
217 | { | |
218 | int i; | |
219 | int decode_signal_count = 0; | |
220 | int gen_signal_count = 0; | |
221 | ||
222 | // Save channels and decoders | |
223 | for (const shared_ptr<data::SignalBase>& base : signalbases_) { | |
224 | #ifdef ENABLE_DECODE | |
225 | if (base->is_decode_signal()) { | |
226 | settings.beginGroup("decode_signal" + QString::number(decode_signal_count++)); | |
227 | base->save_settings(settings); | |
228 | settings.endGroup(); | |
229 | } else | |
230 | #endif | |
231 | if (base->is_generated()) { | |
232 | settings.beginGroup("generated_signal" + QString::number(gen_signal_count++)); | |
233 | settings.setValue("type", base->type()); | |
234 | base->save_settings(settings); | |
235 | settings.endGroup(); | |
236 | } else { | |
237 | settings.beginGroup(base->internal_name()); | |
238 | base->save_settings(settings); | |
239 | settings.endGroup(); | |
240 | } | |
241 | } | |
242 | ||
243 | settings.setValue("decode_signals", decode_signal_count); | |
244 | settings.setValue("generated_signals", gen_signal_count); | |
245 | ||
246 | // Save view states and their signal settings | |
247 | // Note: main_view must be saved as view0 | |
248 | i = 0; | |
249 | settings.beginGroup("view" + QString::number(i++)); | |
250 | main_view_->save_settings(settings); | |
251 | settings.endGroup(); | |
252 | ||
253 | for (const shared_ptr<views::ViewBase>& view : views_) { | |
254 | if (view != main_view_) { | |
255 | settings.beginGroup("view" + QString::number(i++)); | |
256 | settings.setValue("type", view->get_type()); | |
257 | view->save_settings(settings); | |
258 | settings.endGroup(); | |
259 | } | |
260 | } | |
261 | ||
262 | settings.setValue("views", i); | |
263 | ||
264 | int view_id = 0; | |
265 | i = 0; | |
266 | for (const shared_ptr<views::ViewBase>& vb : views_) { | |
267 | shared_ptr<views::trace::View> tv = dynamic_pointer_cast<views::trace::View>(vb); | |
268 | if (tv) { | |
269 | for (const shared_ptr<views::trace::TimeItem>& time_item : tv->time_items()) { | |
270 | ||
271 | const shared_ptr<views::trace::Flag> flag = | |
272 | dynamic_pointer_cast<views::trace::Flag>(time_item); | |
273 | if (flag) { | |
274 | if (!flag->enabled()) | |
275 | continue; | |
276 | ||
277 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
278 | settings.setValue("type", "time_marker"); | |
279 | settings.setValue("assoc_view", view_id); | |
280 | GlobalSettings::store_timestamp(settings, "time", flag->time()); | |
281 | settings.setValue("text", flag->get_text()); | |
282 | settings.endGroup(); | |
283 | } | |
284 | } | |
285 | ||
286 | if (tv->cursors_shown()) { | |
287 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
288 | settings.setValue("type", "selection"); | |
289 | settings.setValue("assoc_view", view_id); | |
290 | const shared_ptr<views::trace::CursorPair> cp = tv->cursors(); | |
291 | GlobalSettings::store_timestamp(settings, "start_time", cp->first()->time()); | |
292 | GlobalSettings::store_timestamp(settings, "end_time", cp->second()->time()); | |
293 | settings.endGroup(); | |
294 | } | |
295 | } | |
296 | ||
297 | view_id++; | |
298 | } | |
299 | ||
300 | settings.setValue("meta_objs", i); | |
301 | } | |
302 | ||
303 | void Session::save_settings(QSettings &settings) const | |
304 | { | |
305 | map<string, string> dev_info; | |
306 | list<string> key_list; | |
307 | ||
308 | if (device_) { | |
309 | shared_ptr<devices::HardwareDevice> hw_device = | |
310 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
311 | ||
312 | if (hw_device) { | |
313 | settings.setValue("device_type", "hardware"); | |
314 | settings.beginGroup("device"); | |
315 | ||
316 | key_list.emplace_back("vendor"); | |
317 | key_list.emplace_back("model"); | |
318 | key_list.emplace_back("version"); | |
319 | key_list.emplace_back("serial_num"); | |
320 | key_list.emplace_back("connection_id"); | |
321 | ||
322 | dev_info = device_manager_.get_device_info(device_); | |
323 | ||
324 | for (string& key : key_list) { | |
325 | if (dev_info.count(key)) | |
326 | settings.setValue(QString::fromUtf8(key.c_str()), | |
327 | QString::fromUtf8(dev_info.at(key).c_str())); | |
328 | else | |
329 | settings.remove(QString::fromUtf8(key.c_str())); | |
330 | } | |
331 | ||
332 | settings.endGroup(); | |
333 | } | |
334 | ||
335 | // Having saved the data to srzip overrides the current device. This is | |
336 | // a crappy hack around the fact that saving e.g. an imported file to | |
337 | // srzip would require changing the underlying libsigrok device | |
338 | if (!save_path_.isEmpty()) { | |
339 | QFileInfo fi = QFileInfo(QDir(save_path_), name_); | |
340 | settings.setValue("device_type", "sessionfile"); | |
341 | settings.beginGroup("device"); | |
342 | settings.setValue("filename", fi.absoluteFilePath()); | |
343 | settings.endGroup(); | |
344 | } else { | |
345 | shared_ptr<devices::SessionFile> sessionfile_device = | |
346 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
347 | ||
348 | if (sessionfile_device) { | |
349 | settings.setValue("device_type", "sessionfile"); | |
350 | settings.beginGroup("device"); | |
351 | settings.setValue("filename", QString::fromStdString( | |
352 | sessionfile_device->full_name())); | |
353 | settings.endGroup(); | |
354 | } | |
355 | ||
356 | shared_ptr<devices::InputFile> inputfile_device = | |
357 | dynamic_pointer_cast<devices::InputFile>(device_); | |
358 | ||
359 | if (inputfile_device) { | |
360 | settings.setValue("device_type", "inputfile"); | |
361 | settings.beginGroup("device"); | |
362 | inputfile_device->save_meta_to_settings(settings); | |
363 | settings.endGroup(); | |
364 | } | |
365 | } | |
366 | ||
367 | save_setup(settings); | |
368 | } | |
369 | } | |
370 | ||
371 | void Session::restore_setup(QSettings &settings) | |
372 | { | |
373 | // Restore channels | |
374 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
375 | settings.beginGroup(base->internal_name()); | |
376 | base->restore_settings(settings); | |
377 | settings.endGroup(); | |
378 | } | |
379 | ||
380 | // Restore generated signals | |
381 | int gen_signal_count = settings.value("generated_signals").toInt(); | |
382 | ||
383 | for (int i = 0; i < gen_signal_count; i++) { | |
384 | settings.beginGroup("generated_signal" + QString::number(i)); | |
385 | SignalBase::ChannelType type = (SignalBase::ChannelType)settings.value("type").toInt(); | |
386 | shared_ptr<data::SignalBase> signal; | |
387 | ||
388 | if (type == SignalBase::MathChannel) | |
389 | signal = make_shared<data::MathSignal>(*this); | |
390 | else | |
391 | qWarning() << tr("Can't restore generated signal of unknown type %1 (%2)") \ | |
392 | .arg((int)type) \ | |
393 | .arg(settings.value("name").toString()); | |
394 | ||
395 | if (signal) { | |
396 | add_generated_signal(signal); | |
397 | signal->restore_settings(settings); | |
398 | } | |
399 | ||
400 | settings.endGroup(); | |
401 | } | |
402 | ||
403 | // Restore decoders | |
404 | #ifdef ENABLE_DECODE | |
405 | int decode_signal_count = settings.value("decode_signals").toInt(); | |
406 | ||
407 | for (int i = 0; i < decode_signal_count; i++) { | |
408 | settings.beginGroup("decode_signal" + QString::number(i)); | |
409 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
410 | signal->restore_settings(settings); | |
411 | settings.endGroup(); | |
412 | } | |
413 | #endif | |
414 | ||
415 | // Restore views | |
416 | int views = settings.value("views").toInt(); | |
417 | ||
418 | for (int i = 0; i < views; i++) { | |
419 | settings.beginGroup("view" + QString::number(i)); | |
420 | ||
421 | if (i > 0) { | |
422 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); | |
423 | add_view(type, this); | |
424 | views_.back()->restore_settings(settings); | |
425 | } else | |
426 | main_view_->restore_settings(settings); | |
427 | ||
428 | settings.endGroup(); | |
429 | } | |
430 | ||
431 | // Restore meta objects like markers and cursors | |
432 | int meta_objs = settings.value("meta_objs").toInt(); | |
433 | ||
434 | for (int i = 0; i < meta_objs; i++) { | |
435 | settings.beginGroup("meta_obj" + QString::number(i)); | |
436 | ||
437 | shared_ptr<views::ViewBase> vb; | |
438 | shared_ptr<views::trace::View> tv; | |
439 | if (settings.contains("assoc_view")) | |
440 | vb = views_.at(settings.value("assoc_view").toInt()); | |
441 | ||
442 | if (vb) | |
443 | tv = dynamic_pointer_cast<views::trace::View>(vb); | |
444 | ||
445 | const QString type = settings.value("type").toString(); | |
446 | ||
447 | if ((type == "time_marker") && tv) { | |
448 | Timestamp ts = GlobalSettings::restore_timestamp(settings, "time"); | |
449 | shared_ptr<views::trace::Flag> flag = tv->add_flag(ts); | |
450 | flag->set_text(settings.value("text").toString()); | |
451 | } | |
452 | ||
453 | if ((type == "selection") && tv) { | |
454 | Timestamp start = GlobalSettings::restore_timestamp(settings, "start_time"); | |
455 | Timestamp end = GlobalSettings::restore_timestamp(settings, "end_time"); | |
456 | tv->set_cursors(start, end); | |
457 | tv->show_cursors(); | |
458 | } | |
459 | ||
460 | settings.endGroup(); | |
461 | } | |
462 | } | |
463 | ||
464 | void Session::restore_settings(QSettings &settings) | |
465 | { | |
466 | shared_ptr<devices::Device> device; | |
467 | ||
468 | const QString device_type = settings.value("device_type").toString(); | |
469 | ||
470 | if (device_type == "hardware") { | |
471 | map<string, string> dev_info; | |
472 | list<string> key_list; | |
473 | ||
474 | // Re-select last used device if possible but only if it's not demo | |
475 | settings.beginGroup("device"); | |
476 | key_list.emplace_back("vendor"); | |
477 | key_list.emplace_back("model"); | |
478 | key_list.emplace_back("version"); | |
479 | key_list.emplace_back("serial_num"); | |
480 | key_list.emplace_back("connection_id"); | |
481 | ||
482 | for (string key : key_list) { | |
483 | const QString k = QString::fromStdString(key); | |
484 | if (!settings.contains(k)) | |
485 | continue; | |
486 | ||
487 | const string value = settings.value(k).toString().toStdString(); | |
488 | if (!value.empty()) | |
489 | dev_info.insert(make_pair(key, value)); | |
490 | } | |
491 | ||
492 | if (dev_info.count("model") > 0) | |
493 | device = device_manager_.find_device_from_info(dev_info); | |
494 | ||
495 | if (device) | |
496 | set_device(device); | |
497 | ||
498 | settings.endGroup(); | |
499 | ||
500 | if (device) | |
501 | restore_setup(settings); | |
502 | } | |
503 | ||
504 | QString filename; | |
505 | if ((device_type == "sessionfile") || (device_type == "inputfile")) { | |
506 | if (device_type == "sessionfile") { | |
507 | settings.beginGroup("device"); | |
508 | filename = settings.value("filename").toString(); | |
509 | settings.endGroup(); | |
510 | ||
511 | if (QFileInfo(filename).isReadable()) | |
512 | device = make_shared<devices::SessionFile>(device_manager_.context(), | |
513 | filename.toStdString()); | |
514 | } | |
515 | ||
516 | if (device_type == "inputfile") { | |
517 | settings.beginGroup("device"); | |
518 | device = make_shared<devices::InputFile>(device_manager_.context(), | |
519 | settings); | |
520 | settings.endGroup(); | |
521 | } | |
522 | ||
523 | ||
524 | if (device) { | |
525 | set_device(device); | |
526 | restore_setup(settings); | |
527 | ||
528 | start_capture([](QString infoMessage) { | |
529 | // TODO Emulate noquote() | |
530 | qDebug() << "Session error:" << infoMessage; }); | |
531 | ||
532 | set_name(QString::fromStdString( | |
533 | dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_))); | |
534 | ||
535 | if (!filename.isEmpty()) { | |
536 | // Only set the save path if we load an srzip file | |
537 | if (device_type == "sessionfile") | |
538 | set_save_path(QFileInfo(filename).absolutePath()); | |
539 | ||
540 | set_name(QFileInfo(filename).fileName()); | |
541 | } | |
542 | } | |
543 | } | |
544 | } | |
545 | ||
546 | void Session::select_device(shared_ptr<devices::Device> device) | |
547 | { | |
548 | try { | |
549 | if (device) | |
550 | set_device(device); | |
551 | else | |
552 | set_default_device(); | |
553 | } catch (const QString &e) { | |
554 | MainWindow::show_session_error(tr("Failed to select device"), e); | |
555 | } | |
556 | } | |
557 | ||
558 | void Session::set_device(shared_ptr<devices::Device> device) | |
559 | { | |
560 | assert(device); | |
561 | ||
562 | // Ensure we are not capturing before setting the device | |
563 | stop_capture(); | |
564 | ||
565 | if (device_) | |
566 | device_->close(); | |
567 | ||
568 | device_.reset(); | |
569 | ||
570 | // Revert name back to default name (e.g. "Session 1") as the data is gone | |
571 | name_ = default_name_; | |
572 | name_changed(); | |
573 | ||
574 | // Remove all stored data and reset all views | |
575 | for (shared_ptr<views::ViewBase> view : views_) { | |
576 | view->clear_signalbases(); | |
577 | #ifdef ENABLE_DECODE | |
578 | view->clear_decode_signals(); | |
579 | #endif | |
580 | view->reset_view_state(); | |
581 | } | |
582 | ||
583 | for (SignalGroup* group : signal_groups_) { | |
584 | group->clear(); | |
585 | delete group; | |
586 | } | |
587 | signal_groups_.clear(); | |
588 | ||
589 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
590 | d->clear(); | |
591 | ||
592 | all_signal_data_.clear(); | |
593 | signalbases_.clear(); | |
594 | cur_logic_segment_.reset(); | |
595 | ||
596 | for (auto& entry : cur_analog_segments_) { | |
597 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
598 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
599 | } | |
600 | ||
601 | logic_data_.reset(); | |
602 | ||
603 | signals_changed(); | |
604 | ||
605 | device_ = move(device); | |
606 | ||
607 | try { | |
608 | device_->open(); | |
609 | } catch (const QString &e) { | |
610 | device_.reset(); | |
611 | MainWindow::show_session_error(tr("Failed to open device"), e); | |
612 | } | |
613 | ||
614 | if (device_) { | |
615 | device_->session()->add_datafeed_callback([=] | |
616 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
617 | data_feed_in(device, packet); | |
618 | }); | |
619 | ||
620 | update_signals(); | |
621 | } | |
622 | ||
623 | device_changed(); | |
624 | } | |
625 | ||
626 | void Session::set_default_device() | |
627 | { | |
628 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
629 | device_manager_.devices(); | |
630 | ||
631 | if (devices.empty()) | |
632 | return; | |
633 | ||
634 | // Try and find the demo device and select that by default | |
635 | const auto iter = find_if(devices.begin(), devices.end(), | |
636 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
637 | return d->hardware_device()->driver()->name() == "demo"; }); | |
638 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
639 | } | |
640 | ||
641 | bool Session::using_file_device() const | |
642 | { | |
643 | shared_ptr<devices::SessionFile> sessionfile_device = | |
644 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
645 | ||
646 | shared_ptr<devices::InputFile> inputfile_device = | |
647 | dynamic_pointer_cast<devices::InputFile>(device_); | |
648 | ||
649 | return (sessionfile_device || inputfile_device); | |
650 | } | |
651 | ||
652 | /** | |
653 | * Convert generic options to data types that are specific to InputFormat. | |
654 | * | |
655 | * @param[in] user_spec Vector of tokenized words, string format. | |
656 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
657 | * | |
658 | * @return Map of options suitable for InputFormat::create_input(). | |
659 | */ | |
660 | map<string, Glib::VariantBase> | |
661 | Session::input_format_options(vector<string> user_spec, | |
662 | map<string, shared_ptr<Option>> fmt_opts) | |
663 | { | |
664 | map<string, Glib::VariantBase> result; | |
665 | ||
666 | for (auto& entry : user_spec) { | |
667 | /* | |
668 | * Split key=value specs. Accept entries without separator | |
669 | * (for simplified boolean specifications). | |
670 | */ | |
671 | string key, val; | |
672 | size_t pos = entry.find("="); | |
673 | if (pos == std::string::npos) { | |
674 | key = entry; | |
675 | val = ""; | |
676 | } else { | |
677 | key = entry.substr(0, pos); | |
678 | val = entry.substr(pos + 1); | |
679 | } | |
680 | ||
681 | /* | |
682 | * Skip user specifications that are not a member of the | |
683 | * format's set of supported options. Have the text input | |
684 | * spec converted to the required input format specific | |
685 | * data type. | |
686 | */ | |
687 | auto found = fmt_opts.find(key); | |
688 | if (found == fmt_opts.end()) { | |
689 | qCritical() << "Supplied input option" << QString::fromStdString(key) << | |
690 | "is not a valid option for this input module, it will be ignored!"; | |
691 | continue; | |
692 | } | |
693 | ||
694 | shared_ptr<Option> opt = found->second; | |
695 | result[key] = opt->parse_string(val); | |
696 | } | |
697 | ||
698 | return result; | |
699 | } | |
700 | ||
701 | void Session::load_init_file(const string &file_name, | |
702 | const string &format, const string &setup_file_name) | |
703 | { | |
704 | shared_ptr<InputFormat> input_format; | |
705 | map<string, Glib::VariantBase> input_opts; | |
706 | ||
707 | if (!format.empty()) { | |
708 | const map<string, shared_ptr<InputFormat> > formats = | |
709 | device_manager_.context()->input_formats(); | |
710 | auto user_opts = pv::util::split_string(format, ":"); | |
711 | string user_name = user_opts.front(); | |
712 | user_opts.erase(user_opts.begin()); | |
713 | const auto iter = find_if(formats.begin(), formats.end(), | |
714 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
715 | return f.first == user_name; }); | |
716 | if (iter == formats.end()) { | |
717 | MainWindow::show_session_error(tr("Error"), | |
718 | tr("Unexpected input format: %1").arg(QString::fromStdString(format))); | |
719 | return; | |
720 | } | |
721 | input_format = (*iter).second; | |
722 | input_opts = input_format_options(user_opts, | |
723 | input_format->options()); | |
724 | } | |
725 | ||
726 | load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name), | |
727 | input_format, input_opts); | |
728 | } | |
729 | ||
730 | void Session::load_file(QString file_name, QString setup_file_name, | |
731 | shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options) | |
732 | { | |
733 | const QString errorMessage( | |
734 | QString("Failed to load file %1").arg(file_name)); | |
735 | ||
736 | // In the absence of a caller's format spec, try to auto detect. | |
737 | // Assume "sigrok session file" upon lookup miss. | |
738 | if (!format) | |
739 | format = device_manager_.context()->input_format_match(file_name.toStdString()); | |
740 | try { | |
741 | if (format) | |
742 | set_device(shared_ptr<devices::Device>( | |
743 | new devices::InputFile( | |
744 | device_manager_.context(), | |
745 | file_name.toStdString(), | |
746 | format, options))); | |
747 | else | |
748 | set_device(shared_ptr<devices::Device>( | |
749 | new devices::SessionFile( | |
750 | device_manager_.context(), | |
751 | file_name.toStdString()))); | |
752 | } catch (Error& e) { | |
753 | MainWindow::show_session_error(tr("Failed to load %1").arg(file_name), e.what()); | |
754 | set_default_device(); | |
755 | main_bar_->update_device_list(); | |
756 | return; | |
757 | } | |
758 | ||
759 | // Use the input file with .pvs extension if no setup file was given | |
760 | if (setup_file_name.isEmpty()) { | |
761 | setup_file_name = file_name; | |
762 | setup_file_name.truncate(setup_file_name.lastIndexOf('.')); | |
763 | setup_file_name.append(".pvs"); | |
764 | } | |
765 | ||
766 | if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) { | |
767 | QSettings settings_storage(setup_file_name, QSettings::IniFormat); | |
768 | restore_setup(settings_storage); | |
769 | } | |
770 | ||
771 | main_bar_->update_device_list(); | |
772 | ||
773 | start_capture([&, errorMessage](QString infoMessage) { | |
774 | MainWindow::show_session_error(errorMessage, infoMessage); }); | |
775 | ||
776 | // Only set save path if we loaded an srzip file | |
777 | if (dynamic_pointer_cast<devices::SessionFile>(device_)) | |
778 | set_save_path(QFileInfo(file_name).absolutePath()); | |
779 | ||
780 | set_name(QFileInfo(file_name).fileName()); | |
781 | } | |
782 | ||
783 | Session::capture_state Session::get_capture_state() const | |
784 | { | |
785 | lock_guard<mutex> lock(sampling_mutex_); | |
786 | return capture_state_; | |
787 | } | |
788 | ||
789 | void Session::start_capture(function<void (const QString)> error_handler) | |
790 | { | |
791 | if (!device_) { | |
792 | error_handler(tr("No active device set, can't start acquisition.")); | |
793 | return; | |
794 | } | |
795 | ||
796 | stop_capture(); | |
797 | ||
798 | // Check that at least one channel is enabled | |
799 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
800 | if (sr_dev) { | |
801 | const auto channels = sr_dev->channels(); | |
802 | if (!any_of(channels.begin(), channels.end(), | |
803 | [](shared_ptr<Channel> channel) { | |
804 | return channel->enabled(); })) { | |
805 | error_handler(tr("No channels enabled.")); | |
806 | return; | |
807 | } | |
808 | } | |
809 | ||
810 | // Clear signal data | |
811 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
812 | d->clear(); | |
813 | ||
814 | trigger_list_.clear(); | |
815 | segment_sample_count_.clear(); | |
816 | ||
817 | // Revert name back to default name (e.g. "Session 1") for real devices | |
818 | // as the (possibly saved) data is gone. File devices keep their name. | |
819 | shared_ptr<devices::HardwareDevice> hw_device = | |
820 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
821 | ||
822 | if (hw_device) { | |
823 | name_ = default_name_; | |
824 | name_changed(); | |
825 | } | |
826 | ||
827 | // Begin the session | |
828 | sampling_thread_ = std::thread(&Session::sample_thread_proc, this, error_handler); | |
829 | } | |
830 | ||
831 | void Session::stop_capture() | |
832 | { | |
833 | if (get_capture_state() != Stopped) | |
834 | device_->stop(); | |
835 | ||
836 | // Check that sampling stopped | |
837 | if (sampling_thread_.joinable()) | |
838 | sampling_thread_.join(); | |
839 | } | |
840 | ||
841 | void Session::register_view(shared_ptr<views::ViewBase> view) | |
842 | { | |
843 | if (views_.empty()) | |
844 | main_view_ = view; | |
845 | ||
846 | views_.push_back(view); | |
847 | ||
848 | // Add all device signals | |
849 | update_signals(); | |
850 | ||
851 | // Add all other signals | |
852 | vector< shared_ptr<data::SignalBase> > view_signalbases = view->signalbases(); | |
853 | ||
854 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
855 | const int sb_exists = count_if( | |
856 | view_signalbases.cbegin(), view_signalbases.cend(), | |
857 | [&](const shared_ptr<data::SignalBase> &sb) { | |
858 | return sb == signalbase; | |
859 | }); | |
860 | ||
861 | // Add the signal to the view if it doesn't have it yet | |
862 | if (!sb_exists) | |
863 | switch (signalbase->type()) { | |
864 | case data::SignalBase::AnalogChannel: | |
865 | case data::SignalBase::LogicChannel: | |
866 | case data::SignalBase::MathChannel: | |
867 | view->add_signalbase(signalbase); | |
868 | break; | |
869 | case data::SignalBase::DecodeChannel: | |
870 | #ifdef ENABLE_DECODE | |
871 | view->add_decode_signal(dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
872 | #endif | |
873 | break; | |
874 | } | |
875 | } | |
876 | ||
877 | signals_changed(); | |
878 | } | |
879 | ||
880 | void Session::deregister_view(shared_ptr<views::ViewBase> view) | |
881 | { | |
882 | views_.erase(std::remove_if(views_.begin(), views_.end(), | |
883 | [&](shared_ptr<views::ViewBase> v) { return v == view; }), | |
884 | views_.end()); | |
885 | ||
886 | if (views_.empty()) { | |
887 | main_view_.reset(); | |
888 | ||
889 | // Without a view there can be no main bar | |
890 | main_bar_.reset(); | |
891 | } | |
892 | } | |
893 | ||
894 | bool Session::has_view(shared_ptr<views::ViewBase> view) | |
895 | { | |
896 | for (shared_ptr<views::ViewBase>& v : views_) | |
897 | if (v == view) | |
898 | return true; | |
899 | ||
900 | return false; | |
901 | } | |
902 | ||
903 | double Session::get_samplerate() const | |
904 | { | |
905 | double samplerate = 0.0; | |
906 | ||
907 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
908 | assert(d); | |
909 | const vector< shared_ptr<pv::data::Segment> > segments = | |
910 | d->segments(); | |
911 | for (const shared_ptr<pv::data::Segment>& s : segments) | |
912 | samplerate = max(samplerate, s->samplerate()); | |
913 | } | |
914 | // If there is no sample rate given we use samples as unit | |
915 | if (samplerate == 0.0) | |
916 | samplerate = 1.0; | |
917 | ||
918 | return samplerate; | |
919 | } | |
920 | ||
921 | uint32_t Session::get_highest_segment_id() const | |
922 | { | |
923 | return highest_segment_id_; | |
924 | } | |
925 | ||
926 | uint64_t Session::get_segment_sample_count(uint32_t segment_id) const | |
927 | { | |
928 | if (segment_id < segment_sample_count_.size()) | |
929 | return segment_sample_count_[segment_id]; | |
930 | else | |
931 | return 0; | |
932 | } | |
933 | ||
934 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const | |
935 | { | |
936 | vector<util::Timestamp> result; | |
937 | ||
938 | for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_) | |
939 | if (entry.first == segment_id) | |
940 | result.push_back(entry.second); | |
941 | ||
942 | return result; | |
943 | } | |
944 | ||
945 | const vector< shared_ptr<data::SignalBase> > Session::signalbases() const | |
946 | { | |
947 | return signalbases_; | |
948 | } | |
949 | ||
950 | uint32_t Session::get_signal_count(data::SignalBase::ChannelType type) const | |
951 | { | |
952 | return count_if(signalbases_.begin(), signalbases_.end(), | |
953 | [&] (shared_ptr<SignalBase> sb) { return sb->type() == type; }); | |
954 | } | |
955 | ||
956 | uint32_t Session::get_next_signal_index(data::SignalBase::ChannelType type) | |
957 | { | |
958 | next_index_list_[type]++; | |
959 | return next_index_list_[type]; | |
960 | } | |
961 | ||
962 | void Session::add_generated_signal(shared_ptr<data::SignalBase> signal) | |
963 | { | |
964 | signalbases_.push_back(signal); | |
965 | ||
966 | for (shared_ptr<views::ViewBase>& view : views_) | |
967 | view->add_signalbase(signal); | |
968 | ||
969 | update_signals(); | |
970 | } | |
971 | ||
972 | void Session::remove_generated_signal(shared_ptr<data::SignalBase> signal) | |
973 | { | |
974 | if (shutting_down_) | |
975 | return; | |
976 | ||
977 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
978 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
979 | signalbases_.end()); | |
980 | ||
981 | for (shared_ptr<views::ViewBase>& view : views_) | |
982 | view->remove_signalbase(signal); | |
983 | ||
984 | update_signals(); | |
985 | } | |
986 | ||
987 | #ifdef ENABLE_DECODE | |
988 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() | |
989 | { | |
990 | shared_ptr<data::DecodeSignal> signal; | |
991 | ||
992 | try { | |
993 | // Create the decode signal | |
994 | signal = make_shared<data::DecodeSignal>(*this); | |
995 | ||
996 | signalbases_.push_back(signal); | |
997 | ||
998 | // Add the decode signal to all views | |
999 | for (shared_ptr<views::ViewBase>& view : views_) | |
1000 | view->add_decode_signal(signal); | |
1001 | } catch (runtime_error& e) { | |
1002 | remove_decode_signal(signal); | |
1003 | return nullptr; | |
1004 | } | |
1005 | ||
1006 | signals_changed(); | |
1007 | ||
1008 | return signal; | |
1009 | } | |
1010 | ||
1011 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
1012 | { | |
1013 | if (shutting_down_) | |
1014 | return; | |
1015 | ||
1016 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
1017 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
1018 | signalbases_.end()); | |
1019 | ||
1020 | for (shared_ptr<views::ViewBase>& view : views_) | |
1021 | view->remove_decode_signal(signal); | |
1022 | ||
1023 | signals_changed(); | |
1024 | } | |
1025 | #endif | |
1026 | ||
1027 | bool Session::all_segments_complete(uint32_t segment_id) const | |
1028 | { | |
1029 | bool all_complete = true; | |
1030 | ||
1031 | for (const shared_ptr<data::SignalBase>& base : signalbases_) | |
1032 | if (!base->segment_is_complete(segment_id)) | |
1033 | all_complete = false; | |
1034 | ||
1035 | return all_complete; | |
1036 | } | |
1037 | ||
1038 | MetadataObjManager* Session::metadata_obj_manager() | |
1039 | { | |
1040 | return &metadata_obj_manager_; | |
1041 | } | |
1042 | ||
1043 | void Session::set_capture_state(capture_state state) | |
1044 | { | |
1045 | if (state == capture_state_) | |
1046 | return; | |
1047 | ||
1048 | if (state == Running) | |
1049 | acq_time_.restart(); | |
1050 | if (state == Stopped) | |
1051 | qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.); | |
1052 | ||
1053 | { | |
1054 | lock_guard<mutex> lock(sampling_mutex_); | |
1055 | capture_state_ = state; | |
1056 | } | |
1057 | ||
1058 | capture_state_changed(state); | |
1059 | } | |
1060 | ||
1061 | void Session::update_signals() | |
1062 | { | |
1063 | if (!device_) { | |
1064 | signalbases_.clear(); | |
1065 | logic_data_.reset(); | |
1066 | for (shared_ptr<views::ViewBase>& view : views_) { | |
1067 | view->clear_signalbases(); | |
1068 | #ifdef ENABLE_DECODE | |
1069 | view->clear_decode_signals(); | |
1070 | #endif | |
1071 | } | |
1072 | return; | |
1073 | } | |
1074 | ||
1075 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1076 | ||
1077 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
1078 | if (!sr_dev) { | |
1079 | signalbases_.clear(); | |
1080 | logic_data_.reset(); | |
1081 | for (shared_ptr<views::ViewBase>& view : views_) { | |
1082 | view->clear_signalbases(); | |
1083 | #ifdef ENABLE_DECODE | |
1084 | view->clear_decode_signals(); | |
1085 | #endif | |
1086 | } | |
1087 | return; | |
1088 | } | |
1089 | ||
1090 | // Detect what data types we will receive | |
1091 | auto channels = sr_dev->channels(); | |
1092 | unsigned int logic_channel_count = count_if( | |
1093 | channels.begin(), channels.end(), | |
1094 | [] (shared_ptr<Channel> channel) { | |
1095 | return channel->type() == sigrok::ChannelType::LOGIC; }); | |
1096 | ||
1097 | // Create a common data container for the logic signalbases | |
1098 | { | |
1099 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
1100 | ||
1101 | if (logic_channel_count == 0) { | |
1102 | logic_data_.reset(); | |
1103 | } else if (!logic_data_ || | |
1104 | logic_data_->num_channels() != logic_channel_count) { | |
1105 | logic_data_.reset(new data::Logic(logic_channel_count)); | |
1106 | assert(logic_data_); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | // Create signalbases if necessary | |
1111 | for (auto channel : sr_dev->channels()) { | |
1112 | ||
1113 | // Try to find the channel in the list of existing signalbases | |
1114 | const auto iter = find_if(signalbases_.cbegin(), signalbases_.cend(), | |
1115 | [&](const shared_ptr<SignalBase> &sb) { return sb->channel() == channel; }); | |
1116 | ||
1117 | // Not found, let's make a signalbase for it | |
1118 | if (iter == signalbases_.cend()) { | |
1119 | shared_ptr<SignalBase> signalbase; | |
1120 | switch(channel->type()->id()) { | |
1121 | case SR_CHANNEL_LOGIC: | |
1122 | signalbase = make_shared<data::SignalBase>(channel, data::SignalBase::LogicChannel); | |
1123 | signalbases_.push_back(signalbase); | |
1124 | ||
1125 | all_signal_data_.insert(logic_data_); | |
1126 | signalbase->set_data(logic_data_); | |
1127 | ||
1128 | connect(this, SIGNAL(capture_state_changed(int)), | |
1129 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1130 | break; | |
1131 | ||
1132 | case SR_CHANNEL_ANALOG: | |
1133 | signalbase = make_shared<data::SignalBase>(channel, data::SignalBase::AnalogChannel); | |
1134 | signalbases_.push_back(signalbase); | |
1135 | ||
1136 | shared_ptr<data::Analog> data(new data::Analog()); | |
1137 | all_signal_data_.insert(data); | |
1138 | signalbase->set_data(data); | |
1139 | ||
1140 | connect(this, SIGNAL(capture_state_changed(int)), | |
1141 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1142 | break; | |
1143 | } | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | // Create and assign default signal groups if needed | |
1148 | if (signal_groups_.empty()) { | |
1149 | for (auto& entry : sr_dev->channel_groups()) { | |
1150 | const shared_ptr<sigrok::ChannelGroup>& group = entry.second; | |
1151 | ||
1152 | if (group->channels().size() <= 1) | |
1153 | continue; | |
1154 | ||
1155 | SignalGroup* sg = new SignalGroup(QString::fromStdString(entry.first)); | |
1156 | for (const shared_ptr<sigrok::Channel>& channel : group->channels()) { | |
1157 | for (shared_ptr<data::SignalBase> s : signalbases_) { | |
1158 | if (s->channel() == channel) { | |
1159 | sg->append_signal(s); | |
1160 | break; | |
1161 | } | |
1162 | } | |
1163 | } | |
1164 | signal_groups_.emplace_back(sg); | |
1165 | } | |
1166 | } | |
1167 | ||
1168 | // Update all views | |
1169 | for (shared_ptr<views::ViewBase>& viewbase : views_) { | |
1170 | vector< shared_ptr<SignalBase> > view_signalbases = | |
1171 | viewbase->signalbases(); | |
1172 | ||
1173 | // Add all non-decode signalbases that don't yet exist in the view | |
1174 | for (shared_ptr<SignalBase>& session_sb : signalbases_) { | |
1175 | if (session_sb->type() == SignalBase::DecodeChannel) | |
1176 | continue; | |
1177 | ||
1178 | const auto iter = find_if(view_signalbases.cbegin(), view_signalbases.cend(), | |
1179 | [&](const shared_ptr<SignalBase> &sb) { return sb == session_sb; }); | |
1180 | ||
1181 | if (iter == view_signalbases.cend()) | |
1182 | viewbase->add_signalbase(session_sb); | |
1183 | } | |
1184 | ||
1185 | // Remove all non-decode signalbases that no longer exist | |
1186 | for (shared_ptr<SignalBase>& view_sb : view_signalbases) { | |
1187 | if (view_sb->type() == SignalBase::DecodeChannel) | |
1188 | continue; | |
1189 | ||
1190 | const auto iter = find_if(signalbases_.cbegin(), signalbases_.cend(), | |
1191 | [&](const shared_ptr<SignalBase> &sb) { return sb == view_sb; }); | |
1192 | ||
1193 | if (iter == signalbases_.cend()) | |
1194 | viewbase->remove_signalbase(view_sb); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | signals_changed(); | |
1199 | } | |
1200 | ||
1201 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
1202 | shared_ptr<sigrok::Channel> channel) const | |
1203 | { | |
1204 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
1205 | assert(sig); | |
1206 | if (sig->channel() == channel) | |
1207 | return sig; | |
1208 | } | |
1209 | return shared_ptr<data::SignalBase>(); | |
1210 | } | |
1211 | ||
1212 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
1213 | { | |
1214 | assert(error_handler); | |
1215 | ||
1216 | #ifdef ENABLE_FLOW | |
1217 | pipeline_ = Pipeline::create(); | |
1218 | ||
1219 | source_ = ElementFactory::create_element("filesrc", "source"); | |
1220 | sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink")); | |
1221 | ||
1222 | pipeline_->add(source_)->add(sink_); | |
1223 | source_->link(sink_); | |
1224 | ||
1225 | source_->set_property("location", Glib::ustring("/tmp/dummy_binary")); | |
1226 | ||
1227 | sink_->set_property("emit-signals", TRUE); | |
1228 | sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample)); | |
1229 | ||
1230 | // Get the bus from the pipeline and add a bus watch to the default main context | |
1231 | RefPtr<Bus> bus = pipeline_->get_bus(); | |
1232 | bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message)); | |
1233 | ||
1234 | // Start pipeline and Wait until it finished processing | |
1235 | pipeline_done_interrupt_ = false; | |
1236 | pipeline_->set_state(Gst::STATE_PLAYING); | |
1237 | ||
1238 | unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_); | |
1239 | pipeline_done_cond_.wait(pipeline_done_lock_); | |
1240 | ||
1241 | // Let the pipeline free all resources | |
1242 | pipeline_->set_state(Gst::STATE_NULL); | |
1243 | ||
1244 | #else | |
1245 | if (!device_) | |
1246 | return; | |
1247 | ||
1248 | try { | |
1249 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1250 | } catch (Error& e) { | |
1251 | cur_samplerate_ = 0; | |
1252 | } | |
1253 | ||
1254 | out_of_memory_ = false; | |
1255 | ||
1256 | { | |
1257 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1258 | cur_logic_segment_.reset(); | |
1259 | cur_analog_segments_.clear(); | |
1260 | for (shared_ptr<data::SignalBase> sb : signalbases_) | |
1261 | sb->clear_sample_data(); | |
1262 | } | |
1263 | highest_segment_id_ = -1; | |
1264 | frame_began_ = false; | |
1265 | ||
1266 | try { | |
1267 | device_->start(); | |
1268 | } catch (Error& e) { | |
1269 | error_handler(e.what()); | |
1270 | return; | |
1271 | } | |
1272 | ||
1273 | set_capture_state(device_->session()->trigger() ? | |
1274 | AwaitingTrigger : Running); | |
1275 | ||
1276 | try { | |
1277 | device_->run(); | |
1278 | } catch (Error& e) { | |
1279 | error_handler(e.what()); | |
1280 | set_capture_state(Stopped); | |
1281 | return; | |
1282 | } catch (QString& e) { | |
1283 | error_handler(e); | |
1284 | set_capture_state(Stopped); | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | set_capture_state(Stopped); | |
1289 | ||
1290 | // Confirm that SR_DF_END was received | |
1291 | if (cur_logic_segment_) | |
1292 | qDebug() << "WARNING: SR_DF_END was not received."; | |
1293 | #endif | |
1294 | ||
1295 | // Optimize memory usage | |
1296 | free_unused_memory(); | |
1297 | ||
1298 | // We now have unsaved data unless we just "captured" from a file | |
1299 | shared_ptr<devices::File> file_device = | |
1300 | dynamic_pointer_cast<devices::File>(device_); | |
1301 | ||
1302 | if (!file_device) | |
1303 | data_saved_ = false; | |
1304 | ||
1305 | if (out_of_memory_) | |
1306 | error_handler(tr("Out of memory, acquisition stopped.")); | |
1307 | } | |
1308 | ||
1309 | void Session::free_unused_memory() | |
1310 | { | |
1311 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) { | |
1312 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
1313 | ||
1314 | for (const shared_ptr<data::Segment>& segment : segments) | |
1315 | segment->free_unused_memory(); | |
1316 | } | |
1317 | } | |
1318 | ||
1319 | void Session::signal_new_segment() | |
1320 | { | |
1321 | int new_segment_id = 0; | |
1322 | ||
1323 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
1324 | ||
1325 | // Determine new frame/segment number, assuming that all | |
1326 | // signals have the same number of frames/segments | |
1327 | if (cur_logic_segment_) { | |
1328 | new_segment_id = logic_data_->get_segment_count() - 1; | |
1329 | } else { | |
1330 | shared_ptr<sigrok::Channel> any_channel = | |
1331 | (*cur_analog_segments_.begin()).first; | |
1332 | ||
1333 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1334 | assert(base); | |
1335 | ||
1336 | shared_ptr<data::Analog> data(base->analog_data()); | |
1337 | assert(data); | |
1338 | ||
1339 | new_segment_id = data->get_segment_count() - 1; | |
1340 | } | |
1341 | } | |
1342 | ||
1343 | if (new_segment_id > highest_segment_id_) { | |
1344 | highest_segment_id_ = new_segment_id; | |
1345 | segment_sample_count_.emplace_back(0); | |
1346 | new_segment(highest_segment_id_); | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | void Session::signal_segment_completed() | |
1351 | { | |
1352 | int segment_id = 0; | |
1353 | ||
1354 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
1355 | // We only care about analog and logic channels, not derived ones | |
1356 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1357 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1358 | break; | |
1359 | } | |
1360 | ||
1361 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1362 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | ||
1367 | if (segment_id >= 0) | |
1368 | segment_completed(segment_id); | |
1369 | } | |
1370 | ||
1371 | #ifdef ENABLE_FLOW | |
1372 | bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message) | |
1373 | { | |
1374 | (void)bus; | |
1375 | ||
1376 | if ((message->get_source() == pipeline_) && \ | |
1377 | ((message->get_message_type() == Gst::MESSAGE_EOS))) | |
1378 | pipeline_done_cond_.notify_one(); | |
1379 | ||
1380 | // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications | |
1381 | ||
1382 | return true; | |
1383 | } | |
1384 | ||
1385 | Gst::FlowReturn Session::on_gst_new_sample() | |
1386 | { | |
1387 | RefPtr<Gst::Sample> sample = sink_->pull_sample(); | |
1388 | RefPtr<Gst::Buffer> buf = sample->get_buffer(); | |
1389 | ||
1390 | for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) { | |
1391 | RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id); | |
1392 | Gst::MapInfo mapinfo; | |
1393 | buf_mem->map(mapinfo, Gst::MAP_READ); | |
1394 | ||
1395 | shared_ptr<sigrok::Packet> logic_packet = | |
1396 | sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1); | |
1397 | ||
1398 | try { | |
1399 | feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload())); | |
1400 | } catch (bad_alloc&) { | |
1401 | out_of_memory_ = true; | |
1402 | device_->stop(); | |
1403 | buf_mem->unmap(mapinfo); | |
1404 | return Gst::FLOW_ERROR; | |
1405 | } | |
1406 | ||
1407 | buf_mem->unmap(mapinfo); | |
1408 | } | |
1409 | ||
1410 | return Gst::FLOW_OK; | |
1411 | } | |
1412 | #endif | |
1413 | ||
1414 | void Session::feed_in_header() | |
1415 | { | |
1416 | // Nothing to do here for now | |
1417 | } | |
1418 | ||
1419 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
1420 | { | |
1421 | for (auto& entry : meta->config()) { | |
1422 | switch (entry.first->id()) { | |
1423 | case SR_CONF_SAMPLERATE: | |
1424 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1425 | break; | |
1426 | default: | |
1427 | qDebug() << "Received meta data key" << entry.first->id() << ", ignoring."; | |
1428 | break; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | signals_changed(); | |
1433 | } | |
1434 | ||
1435 | void Session::feed_in_trigger() | |
1436 | { | |
1437 | // The channel containing most samples should be most accurate | |
1438 | uint64_t sample_count = 0; | |
1439 | ||
1440 | { | |
1441 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
1442 | assert(d); | |
1443 | uint64_t temp_count = 0; | |
1444 | ||
1445 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1446 | d->segments(); | |
1447 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1448 | temp_count += s->get_sample_count(); | |
1449 | ||
1450 | if (temp_count > sample_count) | |
1451 | sample_count = temp_count; | |
1452 | } | |
1453 | } | |
1454 | ||
1455 | uint32_t segment_id = 0; // Default segment when no frames are used | |
1456 | ||
1457 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1458 | // the trigger. However, as new segments are only created when logic or | |
1459 | // analog data comes in, this doesn't work if the trigger appears right | |
1460 | // after the beginning of the frame, before any sample data. | |
1461 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1462 | // yet and the highest segment ID otherwise. | |
1463 | if (frame_began_) { | |
1464 | segment_id = highest_segment_id_; | |
1465 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1466 | segment_id++; | |
1467 | } | |
1468 | ||
1469 | // TODO Create timestamp from segment start time + segment's current sample count | |
1470 | util::Timestamp timestamp = sample_count / get_samplerate(); | |
1471 | trigger_list_.emplace_back(segment_id, timestamp); | |
1472 | trigger_event(segment_id, timestamp); | |
1473 | } | |
1474 | ||
1475 | void Session::feed_in_frame_begin() | |
1476 | { | |
1477 | frame_began_ = true; | |
1478 | } | |
1479 | ||
1480 | void Session::feed_in_frame_end() | |
1481 | { | |
1482 | if (!frame_began_) | |
1483 | return; | |
1484 | ||
1485 | { | |
1486 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1487 | ||
1488 | if (cur_logic_segment_) | |
1489 | cur_logic_segment_->set_complete(); | |
1490 | ||
1491 | for (auto& entry : cur_analog_segments_) { | |
1492 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1493 | segment->set_complete(); | |
1494 | } | |
1495 | ||
1496 | cur_logic_segment_.reset(); | |
1497 | cur_analog_segments_.clear(); | |
1498 | } | |
1499 | ||
1500 | frame_began_ = false; | |
1501 | ||
1502 | signal_segment_completed(); | |
1503 | } | |
1504 | ||
1505 | void Session::feed_in_logic(shared_ptr<sigrok::Logic> logic) | |
1506 | { | |
1507 | if (logic->data_length() == 0) { | |
1508 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1509 | return; | |
1510 | } | |
1511 | ||
1512 | if (logic->unit_size() > 8) | |
1513 | throw QString(tr("Can't handle more than 64 logic channels.")); | |
1514 | ||
1515 | if (!cur_samplerate_) | |
1516 | try { | |
1517 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1518 | } catch (Error& e) { | |
1519 | // Do nothing | |
1520 | } | |
1521 | ||
1522 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1523 | ||
1524 | if (!logic_data_) { | |
1525 | // The only reason logic_data_ would not have been created is | |
1526 | // if it was not possible to determine the signals when the | |
1527 | // device was created. | |
1528 | update_signals(); | |
1529 | } | |
1530 | ||
1531 | if (!cur_logic_segment_) { | |
1532 | // This could be the first packet after a trigger | |
1533 | set_capture_state(Running); | |
1534 | ||
1535 | // Create a new data segment | |
1536 | cur_logic_segment_ = make_shared<data::LogicSegment>( | |
1537 | *logic_data_, logic_data_->get_segment_count(), | |
1538 | logic->unit_size(), cur_samplerate_); | |
1539 | logic_data_->push_segment(cur_logic_segment_); | |
1540 | ||
1541 | signal_new_segment(); | |
1542 | } | |
1543 | ||
1544 | cur_logic_segment_->append_payload(logic); | |
1545 | ||
1546 | segment_sample_count_[highest_segment_id_] = | |
1547 | max(segment_sample_count_[highest_segment_id_], cur_logic_segment_->get_sample_count()); | |
1548 | ||
1549 | data_received(); | |
1550 | } | |
1551 | ||
1552 | void Session::feed_in_analog(shared_ptr<sigrok::Analog> analog) | |
1553 | { | |
1554 | if (analog->num_samples() == 0) { | |
1555 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1556 | return; | |
1557 | } | |
1558 | ||
1559 | if (!cur_samplerate_) | |
1560 | try { | |
1561 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1562 | } catch (Error& e) { | |
1563 | // Do nothing | |
1564 | } | |
1565 | ||
1566 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1567 | ||
1568 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
1569 | bool sweep_beginning = false; | |
1570 | ||
1571 | unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]); | |
1572 | analog->get_data_as_float(data.get()); | |
1573 | ||
1574 | if (signalbases_.empty()) | |
1575 | update_signals(); | |
1576 | ||
1577 | float *channel_data = data.get(); | |
1578 | for (auto& channel : channels) { | |
1579 | shared_ptr<data::AnalogSegment> segment; | |
1580 | ||
1581 | // Try to get the segment of the channel | |
1582 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1583 | iterator iter = cur_analog_segments_.find(channel); | |
1584 | if (iter != cur_analog_segments_.end()) | |
1585 | segment = (*iter).second; | |
1586 | else { | |
1587 | // If no segment was found, this means we haven't | |
1588 | // created one yet. i.e. this is the first packet | |
1589 | // in the sweep containing this segment. | |
1590 | sweep_beginning = true; | |
1591 | ||
1592 | // Find the analog data associated with the channel | |
1593 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
1594 | assert(base); | |
1595 | ||
1596 | shared_ptr<data::Analog> data(base->analog_data()); | |
1597 | assert(data); | |
1598 | ||
1599 | // Create a segment, keep it in the maps of channels | |
1600 | segment = make_shared<data::AnalogSegment>( | |
1601 | *data, data->get_segment_count(), cur_samplerate_); | |
1602 | cur_analog_segments_[channel] = segment; | |
1603 | ||
1604 | // Push the segment into the analog data. | |
1605 | data->push_segment(segment); | |
1606 | ||
1607 | signal_new_segment(); | |
1608 | } | |
1609 | ||
1610 | assert(segment); | |
1611 | ||
1612 | // Append the samples in the segment | |
1613 | segment->append_interleaved_samples(channel_data++, analog->num_samples(), | |
1614 | channels.size()); | |
1615 | ||
1616 | segment_sample_count_[highest_segment_id_] = | |
1617 | max(segment_sample_count_[highest_segment_id_], segment->get_sample_count()); | |
1618 | } | |
1619 | ||
1620 | if (sweep_beginning) { | |
1621 | // This could be the first packet after a trigger | |
1622 | set_capture_state(Running); | |
1623 | } | |
1624 | ||
1625 | data_received(); | |
1626 | } | |
1627 | ||
1628 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
1629 | shared_ptr<Packet> packet) | |
1630 | { | |
1631 | (void)device; | |
1632 | ||
1633 | assert(device); | |
1634 | assert(device == device_->device()); | |
1635 | assert(packet); | |
1636 | ||
1637 | switch (packet->type()->id()) { | |
1638 | case SR_DF_HEADER: | |
1639 | feed_in_header(); | |
1640 | break; | |
1641 | ||
1642 | case SR_DF_META: | |
1643 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
1644 | break; | |
1645 | ||
1646 | case SR_DF_TRIGGER: | |
1647 | feed_in_trigger(); | |
1648 | break; | |
1649 | ||
1650 | case SR_DF_LOGIC: | |
1651 | try { | |
1652 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
1653 | } catch (bad_alloc&) { | |
1654 | out_of_memory_ = true; | |
1655 | device_->stop(); | |
1656 | } | |
1657 | break; | |
1658 | ||
1659 | case SR_DF_ANALOG: | |
1660 | try { | |
1661 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
1662 | } catch (bad_alloc&) { | |
1663 | out_of_memory_ = true; | |
1664 | device_->stop(); | |
1665 | } | |
1666 | break; | |
1667 | ||
1668 | case SR_DF_FRAME_BEGIN: | |
1669 | feed_in_frame_begin(); | |
1670 | break; | |
1671 | ||
1672 | case SR_DF_FRAME_END: | |
1673 | feed_in_frame_end(); | |
1674 | break; | |
1675 | ||
1676 | case SR_DF_END: | |
1677 | // Strictly speaking, this is performed when a frame end marker was | |
1678 | // received, so there's no point doing this again. However, not all | |
1679 | // devices use frames, and for those devices, we need to do it here. | |
1680 | { | |
1681 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1682 | ||
1683 | if (cur_logic_segment_) | |
1684 | cur_logic_segment_->set_complete(); | |
1685 | ||
1686 | for (auto& entry : cur_analog_segments_) { | |
1687 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1688 | segment->set_complete(); | |
1689 | } | |
1690 | ||
1691 | cur_logic_segment_.reset(); | |
1692 | cur_analog_segments_.clear(); | |
1693 | } | |
1694 | break; | |
1695 | ||
1696 | default: | |
1697 | break; | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | void Session::on_data_saved() | |
1702 | { | |
1703 | data_saved_ = true; | |
1704 | } | |
1705 | ||
1706 | #ifdef ENABLE_DECODE | |
1707 | void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders) | |
1708 | { | |
1709 | assert(decoders.size() > 0); | |
1710 | ||
1711 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
1712 | ||
1713 | if (signal) | |
1714 | for (unsigned int i = 0; i < decoders.size(); i++) { | |
1715 | const srd_decoder* d = decoders[i]; | |
1716 | signal->stack_decoder(d, !(i < decoders.size() - 1)); | |
1717 | } | |
1718 | } | |
1719 | #endif | |
1720 | ||
1721 | } // namespace pv |