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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 | // Use this name also for the QObject instance | |
130 | setObjectName(name_); | |
131 | } | |
132 | ||
133 | Session::~Session() | |
134 | { | |
135 | shutting_down_ = true; | |
136 | ||
137 | // Stop and join to the thread | |
138 | stop_capture(); | |
139 | ||
140 | for (SignalGroup* group : signal_groups_) { | |
141 | group->clear(); | |
142 | delete group; | |
143 | } | |
144 | } | |
145 | ||
146 | DeviceManager& Session::device_manager() | |
147 | { | |
148 | return device_manager_; | |
149 | } | |
150 | ||
151 | const DeviceManager& Session::device_manager() const | |
152 | { | |
153 | return device_manager_; | |
154 | } | |
155 | ||
156 | shared_ptr<sigrok::Session> Session::session() const | |
157 | { | |
158 | if (!device_) | |
159 | return shared_ptr<sigrok::Session>(); | |
160 | return device_->session(); | |
161 | } | |
162 | ||
163 | shared_ptr<devices::Device> Session::device() const | |
164 | { | |
165 | return device_; | |
166 | } | |
167 | ||
168 | QString Session::name() const | |
169 | { | |
170 | return name_; | |
171 | } | |
172 | ||
173 | void Session::set_name(QString name) | |
174 | { | |
175 | if (default_name_.isEmpty()) | |
176 | default_name_ = name; | |
177 | ||
178 | name_ = name; | |
179 | ||
180 | // Use this name also for the QObject instance | |
181 | setObjectName(name_); | |
182 | ||
183 | name_changed(); | |
184 | } | |
185 | ||
186 | QString Session::save_path() const | |
187 | { | |
188 | return save_path_; | |
189 | } | |
190 | ||
191 | void Session::set_save_path(QString path) | |
192 | { | |
193 | save_path_ = path; | |
194 | } | |
195 | ||
196 | const vector< shared_ptr<views::ViewBase> > Session::views() const | |
197 | { | |
198 | return views_; | |
199 | } | |
200 | ||
201 | shared_ptr<views::ViewBase> Session::main_view() const | |
202 | { | |
203 | return main_view_; | |
204 | } | |
205 | ||
206 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) | |
207 | { | |
208 | main_bar_ = main_bar; | |
209 | } | |
210 | ||
211 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
212 | { | |
213 | return main_bar_; | |
214 | } | |
215 | ||
216 | bool Session::data_saved() const | |
217 | { | |
218 | return data_saved_; | |
219 | } | |
220 | ||
221 | void Session::save_setup(QSettings &settings) const | |
222 | { | |
223 | int i; | |
224 | int decode_signal_count = 0; | |
225 | int gen_signal_count = 0; | |
226 | ||
227 | // Save channels and decoders | |
228 | for (const shared_ptr<data::SignalBase>& base : signalbases_) { | |
229 | #ifdef ENABLE_DECODE | |
230 | if (base->is_decode_signal()) { | |
231 | settings.beginGroup("decode_signal" + QString::number(decode_signal_count++)); | |
232 | base->save_settings(settings); | |
233 | settings.endGroup(); | |
234 | } else | |
235 | #endif | |
236 | if (base->is_generated()) { | |
237 | settings.beginGroup("generated_signal" + QString::number(gen_signal_count++)); | |
238 | settings.setValue("type", base->type()); | |
239 | base->save_settings(settings); | |
240 | settings.endGroup(); | |
241 | } else { | |
242 | settings.beginGroup(base->internal_name()); | |
243 | base->save_settings(settings); | |
244 | settings.endGroup(); | |
245 | } | |
246 | } | |
247 | ||
248 | settings.setValue("decode_signals", decode_signal_count); | |
249 | settings.setValue("generated_signals", gen_signal_count); | |
250 | ||
251 | // Save view states and their signal settings | |
252 | // Note: main_view must be saved as view0 | |
253 | i = 0; | |
254 | settings.beginGroup("view" + QString::number(i++)); | |
255 | main_view_->save_settings(settings); | |
256 | settings.endGroup(); | |
257 | ||
258 | for (const shared_ptr<views::ViewBase>& view : views_) { | |
259 | if (view != main_view_) { | |
260 | settings.beginGroup("view" + QString::number(i++)); | |
261 | settings.setValue("type", view->get_type()); | |
262 | view->save_settings(settings); | |
263 | settings.endGroup(); | |
264 | } | |
265 | } | |
266 | ||
267 | settings.setValue("views", i); | |
268 | ||
269 | int view_id = 0; | |
270 | i = 0; | |
271 | for (const shared_ptr<views::ViewBase>& vb : views_) { | |
272 | shared_ptr<views::trace::View> tv = dynamic_pointer_cast<views::trace::View>(vb); | |
273 | if (tv) { | |
274 | for (const shared_ptr<views::trace::TimeItem>& time_item : tv->time_items()) { | |
275 | ||
276 | const shared_ptr<views::trace::Flag> flag = | |
277 | dynamic_pointer_cast<views::trace::Flag>(time_item); | |
278 | if (flag) { | |
279 | if (!flag->enabled()) | |
280 | continue; | |
281 | ||
282 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
283 | settings.setValue("type", "time_marker"); | |
284 | settings.setValue("assoc_view", view_id); | |
285 | GlobalSettings::store_timestamp(settings, "time", flag->time()); | |
286 | settings.setValue("text", flag->get_text()); | |
287 | settings.endGroup(); | |
288 | } | |
289 | } | |
290 | ||
291 | if (tv->cursors_shown()) { | |
292 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
293 | settings.setValue("type", "selection"); | |
294 | settings.setValue("assoc_view", view_id); | |
295 | const shared_ptr<views::trace::CursorPair> cp = tv->cursors(); | |
296 | GlobalSettings::store_timestamp(settings, "start_time", cp->first()->time()); | |
297 | GlobalSettings::store_timestamp(settings, "end_time", cp->second()->time()); | |
298 | settings.endGroup(); | |
299 | } | |
300 | } | |
301 | ||
302 | view_id++; | |
303 | } | |
304 | ||
305 | settings.setValue("meta_objs", i); | |
306 | } | |
307 | ||
308 | void Session::save_settings(QSettings &settings) const | |
309 | { | |
310 | map<string, string> dev_info; | |
311 | list<string> key_list; | |
312 | ||
313 | if (device_) { | |
314 | shared_ptr<devices::HardwareDevice> hw_device = | |
315 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
316 | ||
317 | if (hw_device) { | |
318 | settings.setValue("device_type", "hardware"); | |
319 | settings.beginGroup("device"); | |
320 | ||
321 | key_list.emplace_back("vendor"); | |
322 | key_list.emplace_back("model"); | |
323 | key_list.emplace_back("version"); | |
324 | key_list.emplace_back("serial_num"); | |
325 | key_list.emplace_back("connection_id"); | |
326 | ||
327 | dev_info = device_manager_.get_device_info(device_); | |
328 | ||
329 | for (string& key : key_list) { | |
330 | if (dev_info.count(key)) | |
331 | settings.setValue(QString::fromUtf8(key.c_str()), | |
332 | QString::fromUtf8(dev_info.at(key).c_str())); | |
333 | else | |
334 | settings.remove(QString::fromUtf8(key.c_str())); | |
335 | } | |
336 | ||
337 | settings.endGroup(); | |
338 | } | |
339 | ||
340 | // Having saved the data to srzip overrides the current device. This is | |
341 | // a crappy hack around the fact that saving e.g. an imported file to | |
342 | // srzip would require changing the underlying libsigrok device | |
343 | if (!save_path_.isEmpty()) { | |
344 | QFileInfo fi = QFileInfo(QDir(save_path_), name_); | |
345 | settings.setValue("device_type", "sessionfile"); | |
346 | settings.beginGroup("device"); | |
347 | settings.setValue("filename", fi.absoluteFilePath()); | |
348 | settings.endGroup(); | |
349 | } else { | |
350 | shared_ptr<devices::SessionFile> sessionfile_device = | |
351 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
352 | ||
353 | if (sessionfile_device) { | |
354 | settings.setValue("device_type", "sessionfile"); | |
355 | settings.beginGroup("device"); | |
356 | settings.setValue("filename", QString::fromStdString( | |
357 | sessionfile_device->full_name())); | |
358 | settings.endGroup(); | |
359 | } | |
360 | ||
361 | shared_ptr<devices::InputFile> inputfile_device = | |
362 | dynamic_pointer_cast<devices::InputFile>(device_); | |
363 | ||
364 | if (inputfile_device) { | |
365 | settings.setValue("device_type", "inputfile"); | |
366 | settings.beginGroup("device"); | |
367 | inputfile_device->save_meta_to_settings(settings); | |
368 | settings.endGroup(); | |
369 | } | |
370 | } | |
371 | ||
372 | save_setup(settings); | |
373 | } | |
374 | } | |
375 | ||
376 | void Session::restore_setup(QSettings &settings) | |
377 | { | |
378 | // Restore channels | |
379 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
380 | settings.beginGroup(base->internal_name()); | |
381 | base->restore_settings(settings); | |
382 | settings.endGroup(); | |
383 | } | |
384 | ||
385 | // Restore generated signals | |
386 | int gen_signal_count = settings.value("generated_signals").toInt(); | |
387 | ||
388 | for (int i = 0; i < gen_signal_count; i++) { | |
389 | settings.beginGroup("generated_signal" + QString::number(i)); | |
390 | SignalBase::ChannelType type = (SignalBase::ChannelType)settings.value("type").toInt(); | |
391 | shared_ptr<data::SignalBase> signal; | |
392 | ||
393 | if (type == SignalBase::MathChannel) | |
394 | signal = make_shared<data::MathSignal>(*this); | |
395 | else | |
396 | qWarning() << tr("Can't restore generated signal of unknown type %1 (%2)") \ | |
397 | .arg((int)type) \ | |
398 | .arg(settings.value("name").toString()); | |
399 | ||
400 | if (signal) { | |
401 | add_generated_signal(signal); | |
402 | signal->restore_settings(settings); | |
403 | } | |
404 | ||
405 | settings.endGroup(); | |
406 | } | |
407 | ||
408 | // Restore decoders | |
409 | #ifdef ENABLE_DECODE | |
410 | int decode_signal_count = settings.value("decode_signals").toInt(); | |
411 | ||
412 | for (int i = 0; i < decode_signal_count; i++) { | |
413 | settings.beginGroup("decode_signal" + QString::number(i)); | |
414 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
415 | signal->restore_settings(settings); | |
416 | settings.endGroup(); | |
417 | } | |
418 | #endif | |
419 | ||
420 | // Restore views | |
421 | int views = settings.value("views").toInt(); | |
422 | ||
423 | for (int i = 0; i < views; i++) { | |
424 | settings.beginGroup("view" + QString::number(i)); | |
425 | ||
426 | if (i > 0) { | |
427 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); | |
428 | add_view(type, this); | |
429 | views_.back()->restore_settings(settings); | |
430 | } else | |
431 | main_view_->restore_settings(settings); | |
432 | ||
433 | settings.endGroup(); | |
434 | } | |
435 | ||
436 | // Restore meta objects like markers and cursors | |
437 | int meta_objs = settings.value("meta_objs").toInt(); | |
438 | ||
439 | for (int i = 0; i < meta_objs; i++) { | |
440 | settings.beginGroup("meta_obj" + QString::number(i)); | |
441 | ||
442 | shared_ptr<views::ViewBase> vb; | |
443 | shared_ptr<views::trace::View> tv; | |
444 | if (settings.contains("assoc_view")) | |
445 | vb = views_.at(settings.value("assoc_view").toInt()); | |
446 | ||
447 | if (vb) | |
448 | tv = dynamic_pointer_cast<views::trace::View>(vb); | |
449 | ||
450 | const QString type = settings.value("type").toString(); | |
451 | ||
452 | if ((type == "time_marker") && tv) { | |
453 | Timestamp ts = GlobalSettings::restore_timestamp(settings, "time"); | |
454 | shared_ptr<views::trace::Flag> flag = tv->add_flag(ts); | |
455 | flag->set_text(settings.value("text").toString()); | |
456 | } | |
457 | ||
458 | if ((type == "selection") && tv) { | |
459 | Timestamp start = GlobalSettings::restore_timestamp(settings, "start_time"); | |
460 | Timestamp end = GlobalSettings::restore_timestamp(settings, "end_time"); | |
461 | tv->set_cursors(start, end); | |
462 | tv->show_cursors(); | |
463 | } | |
464 | ||
465 | settings.endGroup(); | |
466 | } | |
467 | } | |
468 | ||
469 | void Session::restore_settings(QSettings &settings) | |
470 | { | |
471 | shared_ptr<devices::Device> device; | |
472 | ||
473 | const QString device_type = settings.value("device_type").toString(); | |
474 | ||
475 | if (device_type == "hardware") { | |
476 | map<string, string> dev_info; | |
477 | list<string> key_list; | |
478 | ||
479 | // Re-select last used device if possible but only if it's not demo | |
480 | settings.beginGroup("device"); | |
481 | key_list.emplace_back("vendor"); | |
482 | key_list.emplace_back("model"); | |
483 | key_list.emplace_back("version"); | |
484 | key_list.emplace_back("serial_num"); | |
485 | key_list.emplace_back("connection_id"); | |
486 | ||
487 | for (string key : key_list) { | |
488 | const QString k = QString::fromStdString(key); | |
489 | if (!settings.contains(k)) | |
490 | continue; | |
491 | ||
492 | const string value = settings.value(k).toString().toStdString(); | |
493 | if (!value.empty()) | |
494 | dev_info.insert(make_pair(key, value)); | |
495 | } | |
496 | ||
497 | if (dev_info.count("model") > 0) | |
498 | device = device_manager_.find_device_from_info(dev_info); | |
499 | ||
500 | if (device) | |
501 | set_device(device); | |
502 | ||
503 | settings.endGroup(); | |
504 | ||
505 | if (device) | |
506 | restore_setup(settings); | |
507 | } | |
508 | ||
509 | QString filename; | |
510 | if ((device_type == "sessionfile") || (device_type == "inputfile")) { | |
511 | if (device_type == "sessionfile") { | |
512 | settings.beginGroup("device"); | |
513 | filename = settings.value("filename").toString(); | |
514 | settings.endGroup(); | |
515 | ||
516 | if (QFileInfo(filename).isReadable()) | |
517 | device = make_shared<devices::SessionFile>(device_manager_.context(), | |
518 | filename.toStdString()); | |
519 | } | |
520 | ||
521 | if (device_type == "inputfile") { | |
522 | settings.beginGroup("device"); | |
523 | device = make_shared<devices::InputFile>(device_manager_.context(), | |
524 | settings); | |
525 | settings.endGroup(); | |
526 | } | |
527 | ||
528 | ||
529 | if (device) { | |
530 | set_device(device); | |
531 | restore_setup(settings); | |
532 | ||
533 | start_capture([](QString infoMessage) { | |
534 | // TODO Emulate noquote() | |
535 | qDebug() << "Session error:" << infoMessage; }); | |
536 | ||
537 | set_name(QString::fromStdString( | |
538 | dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_))); | |
539 | ||
540 | if (!filename.isEmpty()) { | |
541 | // Only set the save path if we load an srzip file | |
542 | if (device_type == "sessionfile") | |
543 | set_save_path(QFileInfo(filename).absolutePath()); | |
544 | ||
545 | set_name(QFileInfo(filename).fileName()); | |
546 | } | |
547 | } | |
548 | } | |
549 | } | |
550 | ||
551 | void Session::select_device(shared_ptr<devices::Device> device) | |
552 | { | |
553 | try { | |
554 | if (device) | |
555 | set_device(device); | |
556 | else | |
557 | set_default_device(); | |
558 | } catch (const QString &e) { | |
559 | MainWindow::show_session_error(tr("Failed to select device"), e); | |
560 | } | |
561 | } | |
562 | ||
563 | void Session::set_device(shared_ptr<devices::Device> device) | |
564 | { | |
565 | assert(device); | |
566 | ||
567 | // Ensure we are not capturing before setting the device | |
568 | stop_capture(); | |
569 | ||
570 | if (device_) | |
571 | device_->close(); | |
572 | ||
573 | device_.reset(); | |
574 | ||
575 | // Revert name back to default name (e.g. "Session 1") as the data is gone | |
576 | name_ = default_name_; | |
577 | name_changed(); | |
578 | ||
579 | // Remove all stored data and reset all views | |
580 | for (shared_ptr<views::ViewBase> view : views_) { | |
581 | view->clear_signalbases(); | |
582 | #ifdef ENABLE_DECODE | |
583 | view->clear_decode_signals(); | |
584 | #endif | |
585 | view->reset_view_state(); | |
586 | } | |
587 | ||
588 | for (SignalGroup* group : signal_groups_) { | |
589 | group->clear(); | |
590 | delete group; | |
591 | } | |
592 | signal_groups_.clear(); | |
593 | ||
594 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
595 | d->clear(); | |
596 | ||
597 | all_signal_data_.clear(); | |
598 | signalbases_.clear(); | |
599 | cur_logic_segment_.reset(); | |
600 | ||
601 | for (auto& entry : cur_analog_segments_) { | |
602 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
603 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
604 | } | |
605 | ||
606 | logic_data_.reset(); | |
607 | ||
608 | signals_changed(); | |
609 | ||
610 | device_ = move(device); | |
611 | ||
612 | try { | |
613 | device_->open(); | |
614 | } catch (const QString &e) { | |
615 | device_.reset(); | |
616 | MainWindow::show_session_error(tr("Failed to open device"), e); | |
617 | } | |
618 | ||
619 | if (device_) { | |
620 | device_->session()->add_datafeed_callback([=] | |
621 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
622 | data_feed_in(device, packet); | |
623 | }); | |
624 | ||
625 | update_signals(); | |
626 | } | |
627 | ||
628 | device_changed(); | |
629 | } | |
630 | ||
631 | void Session::set_default_device() | |
632 | { | |
633 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
634 | device_manager_.devices(); | |
635 | ||
636 | if (devices.empty()) | |
637 | return; | |
638 | ||
639 | // Try and find the demo device and select that by default | |
640 | const auto iter = find_if(devices.begin(), devices.end(), | |
641 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
642 | return d->hardware_device()->driver()->name() == "demo"; }); | |
643 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
644 | } | |
645 | ||
646 | bool Session::using_file_device() const | |
647 | { | |
648 | shared_ptr<devices::SessionFile> sessionfile_device = | |
649 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
650 | ||
651 | shared_ptr<devices::InputFile> inputfile_device = | |
652 | dynamic_pointer_cast<devices::InputFile>(device_); | |
653 | ||
654 | return (sessionfile_device || inputfile_device); | |
655 | } | |
656 | ||
657 | /** | |
658 | * Convert generic options to data types that are specific to InputFormat. | |
659 | * | |
660 | * @param[in] user_spec Vector of tokenized words, string format. | |
661 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
662 | * | |
663 | * @return Map of options suitable for InputFormat::create_input(). | |
664 | */ | |
665 | map<string, Glib::VariantBase> | |
666 | Session::input_format_options(vector<string> user_spec, | |
667 | map<string, shared_ptr<Option>> fmt_opts) | |
668 | { | |
669 | map<string, Glib::VariantBase> result; | |
670 | ||
671 | for (auto& entry : user_spec) { | |
672 | /* | |
673 | * Split key=value specs. Accept entries without separator | |
674 | * (for simplified boolean specifications). | |
675 | */ | |
676 | string key, val; | |
677 | size_t pos = entry.find("="); | |
678 | if (pos == std::string::npos) { | |
679 | key = entry; | |
680 | val = ""; | |
681 | } else { | |
682 | key = entry.substr(0, pos); | |
683 | val = entry.substr(pos + 1); | |
684 | } | |
685 | ||
686 | /* | |
687 | * Skip user specifications that are not a member of the | |
688 | * format's set of supported options. Have the text input | |
689 | * spec converted to the required input format specific | |
690 | * data type. | |
691 | */ | |
692 | auto found = fmt_opts.find(key); | |
693 | if (found == fmt_opts.end()) { | |
694 | qCritical() << "Supplied input option" << QString::fromStdString(key) << | |
695 | "is not a valid option for this input module, it will be ignored!"; | |
696 | continue; | |
697 | } | |
698 | ||
699 | shared_ptr<Option> opt = found->second; | |
700 | result[key] = opt->parse_string(val); | |
701 | } | |
702 | ||
703 | return result; | |
704 | } | |
705 | ||
706 | void Session::load_init_file(const string &file_name, | |
707 | const string &format, const string &setup_file_name) | |
708 | { | |
709 | shared_ptr<InputFormat> input_format; | |
710 | map<string, Glib::VariantBase> input_opts; | |
711 | ||
712 | if (!format.empty()) { | |
713 | const map<string, shared_ptr<InputFormat> > formats = | |
714 | device_manager_.context()->input_formats(); | |
715 | auto user_opts = pv::util::split_string(format, ":"); | |
716 | string user_name = user_opts.front(); | |
717 | user_opts.erase(user_opts.begin()); | |
718 | const auto iter = find_if(formats.begin(), formats.end(), | |
719 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
720 | return f.first == user_name; }); | |
721 | if (iter == formats.end()) { | |
722 | MainWindow::show_session_error(tr("Error"), | |
723 | tr("Unexpected input format: %1").arg(QString::fromStdString(format))); | |
724 | return; | |
725 | } | |
726 | input_format = (*iter).second; | |
727 | input_opts = input_format_options(user_opts, | |
728 | input_format->options()); | |
729 | } | |
730 | ||
731 | load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name), | |
732 | input_format, input_opts); | |
733 | } | |
734 | ||
735 | void Session::load_file(QString file_name, QString setup_file_name, | |
736 | shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options) | |
737 | { | |
738 | const QString errorMessage( | |
739 | QString("Failed to load file %1").arg(file_name)); | |
740 | ||
741 | // In the absence of a caller's format spec, try to auto detect. | |
742 | // Assume "sigrok session file" upon lookup miss. | |
743 | if (!format) | |
744 | format = device_manager_.context()->input_format_match(file_name.toStdString()); | |
745 | try { | |
746 | if (format) | |
747 | set_device(shared_ptr<devices::Device>( | |
748 | new devices::InputFile( | |
749 | device_manager_.context(), | |
750 | file_name.toStdString(), | |
751 | format, options))); | |
752 | else | |
753 | set_device(shared_ptr<devices::Device>( | |
754 | new devices::SessionFile( | |
755 | device_manager_.context(), | |
756 | file_name.toStdString()))); | |
757 | } catch (Error& e) { | |
758 | MainWindow::show_session_error(tr("Failed to load %1").arg(file_name), e.what()); | |
759 | set_default_device(); | |
760 | main_bar_->update_device_list(); | |
761 | return; | |
762 | } | |
763 | ||
764 | // Use the input file with .pvs extension if no setup file was given | |
765 | if (setup_file_name.isEmpty()) { | |
766 | setup_file_name = file_name; | |
767 | setup_file_name.truncate(setup_file_name.lastIndexOf('.')); | |
768 | setup_file_name.append(".pvs"); | |
769 | } | |
770 | ||
771 | if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) { | |
772 | QSettings settings_storage(setup_file_name, QSettings::IniFormat); | |
773 | restore_setup(settings_storage); | |
774 | } | |
775 | ||
776 | main_bar_->update_device_list(); | |
777 | ||
778 | start_capture([&, errorMessage](QString infoMessage) { | |
779 | MainWindow::show_session_error(errorMessage, infoMessage); }); | |
780 | ||
781 | // Only set save path if we loaded an srzip file | |
782 | if (dynamic_pointer_cast<devices::SessionFile>(device_)) | |
783 | set_save_path(QFileInfo(file_name).absolutePath()); | |
784 | ||
785 | set_name(QFileInfo(file_name).fileName()); | |
786 | } | |
787 | ||
788 | Session::capture_state Session::get_capture_state() const | |
789 | { | |
790 | lock_guard<mutex> lock(sampling_mutex_); | |
791 | return capture_state_; | |
792 | } | |
793 | ||
794 | void Session::start_capture(function<void (const QString)> error_handler) | |
795 | { | |
796 | if (!device_) { | |
797 | error_handler(tr("No active device set, can't start acquisition.")); | |
798 | return; | |
799 | } | |
800 | ||
801 | stop_capture(); | |
802 | ||
803 | // Check that at least one channel is enabled | |
804 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
805 | if (sr_dev) { | |
806 | const auto channels = sr_dev->channels(); | |
807 | if (!any_of(channels.begin(), channels.end(), | |
808 | [](shared_ptr<Channel> channel) { | |
809 | return channel->enabled(); })) { | |
810 | error_handler(tr("No channels enabled.")); | |
811 | return; | |
812 | } | |
813 | } | |
814 | ||
815 | // Clear signal data | |
816 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
817 | d->clear(); | |
818 | ||
819 | trigger_list_.clear(); | |
820 | segment_sample_count_.clear(); | |
821 | ||
822 | // Revert name back to default name (e.g. "Session 1") for real devices | |
823 | // as the (possibly saved) data is gone. File devices keep their name. | |
824 | shared_ptr<devices::HardwareDevice> hw_device = | |
825 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
826 | ||
827 | if (hw_device) { | |
828 | name_ = default_name_; | |
829 | name_changed(); | |
830 | } | |
831 | ||
832 | // Begin the session | |
833 | sampling_thread_ = std::thread(&Session::sample_thread_proc, this, error_handler); | |
834 | } | |
835 | ||
836 | void Session::stop_capture() | |
837 | { | |
838 | if (get_capture_state() != Stopped) | |
839 | device_->stop(); | |
840 | ||
841 | // Check that sampling stopped | |
842 | if (sampling_thread_.joinable()) | |
843 | sampling_thread_.join(); | |
844 | } | |
845 | ||
846 | void Session::register_view(shared_ptr<views::ViewBase> view) | |
847 | { | |
848 | if (views_.empty()) | |
849 | main_view_ = view; | |
850 | ||
851 | views_.push_back(view); | |
852 | ||
853 | // Add all device signals | |
854 | update_signals(); | |
855 | ||
856 | // Add all other signals | |
857 | vector< shared_ptr<data::SignalBase> > view_signalbases = view->signalbases(); | |
858 | ||
859 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
860 | const int sb_exists = count_if( | |
861 | view_signalbases.cbegin(), view_signalbases.cend(), | |
862 | [&](const shared_ptr<data::SignalBase> &sb) { | |
863 | return sb == signalbase; | |
864 | }); | |
865 | ||
866 | // Add the signal to the view if it doesn't have it yet | |
867 | if (!sb_exists) | |
868 | switch (signalbase->type()) { | |
869 | case data::SignalBase::AnalogChannel: | |
870 | case data::SignalBase::LogicChannel: | |
871 | case data::SignalBase::MathChannel: | |
872 | view->add_signalbase(signalbase); | |
873 | break; | |
874 | case data::SignalBase::DecodeChannel: | |
875 | #ifdef ENABLE_DECODE | |
876 | view->add_decode_signal(dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
877 | #endif | |
878 | break; | |
879 | } | |
880 | } | |
881 | ||
882 | signals_changed(); | |
883 | } | |
884 | ||
885 | void Session::deregister_view(shared_ptr<views::ViewBase> view) | |
886 | { | |
887 | views_.erase(std::remove_if(views_.begin(), views_.end(), | |
888 | [&](shared_ptr<views::ViewBase> v) { return v == view; }), | |
889 | views_.end()); | |
890 | ||
891 | if (views_.empty()) { | |
892 | main_view_.reset(); | |
893 | ||
894 | // Without a view there can be no main bar | |
895 | main_bar_.reset(); | |
896 | } | |
897 | } | |
898 | ||
899 | bool Session::has_view(shared_ptr<views::ViewBase> view) | |
900 | { | |
901 | for (shared_ptr<views::ViewBase>& v : views_) | |
902 | if (v == view) | |
903 | return true; | |
904 | ||
905 | return false; | |
906 | } | |
907 | ||
908 | double Session::get_samplerate() const | |
909 | { | |
910 | double samplerate = 0.0; | |
911 | ||
912 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
913 | assert(d); | |
914 | const vector< shared_ptr<pv::data::Segment> > segments = | |
915 | d->segments(); | |
916 | for (const shared_ptr<pv::data::Segment>& s : segments) | |
917 | samplerate = max(samplerate, s->samplerate()); | |
918 | } | |
919 | // If there is no sample rate given we use samples as unit | |
920 | if (samplerate == 0.0) | |
921 | samplerate = 1.0; | |
922 | ||
923 | return samplerate; | |
924 | } | |
925 | ||
926 | uint32_t Session::get_highest_segment_id() const | |
927 | { | |
928 | return highest_segment_id_; | |
929 | } | |
930 | ||
931 | uint64_t Session::get_segment_sample_count(uint32_t segment_id) const | |
932 | { | |
933 | if (segment_id < segment_sample_count_.size()) | |
934 | return segment_sample_count_[segment_id]; | |
935 | else | |
936 | return 0; | |
937 | } | |
938 | ||
939 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const | |
940 | { | |
941 | vector<util::Timestamp> result; | |
942 | ||
943 | for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_) | |
944 | if (entry.first == segment_id) | |
945 | result.push_back(entry.second); | |
946 | ||
947 | return result; | |
948 | } | |
949 | ||
950 | const vector< shared_ptr<data::SignalBase> > Session::signalbases() const | |
951 | { | |
952 | return signalbases_; | |
953 | } | |
954 | ||
955 | uint32_t Session::get_signal_count(data::SignalBase::ChannelType type) const | |
956 | { | |
957 | return count_if(signalbases_.begin(), signalbases_.end(), | |
958 | [&] (shared_ptr<SignalBase> sb) { return sb->type() == type; }); | |
959 | } | |
960 | ||
961 | uint32_t Session::get_next_signal_index(data::SignalBase::ChannelType type) | |
962 | { | |
963 | next_index_list_[type]++; | |
964 | return next_index_list_[type]; | |
965 | } | |
966 | ||
967 | void Session::add_generated_signal(shared_ptr<data::SignalBase> signal) | |
968 | { | |
969 | signalbases_.push_back(signal); | |
970 | ||
971 | for (shared_ptr<views::ViewBase>& view : views_) | |
972 | view->add_signalbase(signal); | |
973 | ||
974 | update_signals(); | |
975 | } | |
976 | ||
977 | void Session::remove_generated_signal(shared_ptr<data::SignalBase> signal) | |
978 | { | |
979 | if (shutting_down_) | |
980 | return; | |
981 | ||
982 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
983 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
984 | signalbases_.end()); | |
985 | ||
986 | for (shared_ptr<views::ViewBase>& view : views_) | |
987 | view->remove_signalbase(signal); | |
988 | ||
989 | update_signals(); | |
990 | } | |
991 | ||
992 | #ifdef ENABLE_DECODE | |
993 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() | |
994 | { | |
995 | shared_ptr<data::DecodeSignal> signal; | |
996 | ||
997 | try { | |
998 | // Create the decode signal | |
999 | signal = make_shared<data::DecodeSignal>(*this); | |
1000 | ||
1001 | signalbases_.push_back(signal); | |
1002 | ||
1003 | // Add the decode signal to all views | |
1004 | for (shared_ptr<views::ViewBase>& view : views_) | |
1005 | view->add_decode_signal(signal); | |
1006 | } catch (runtime_error& e) { | |
1007 | remove_decode_signal(signal); | |
1008 | return nullptr; | |
1009 | } | |
1010 | ||
1011 | signals_changed(); | |
1012 | ||
1013 | return signal; | |
1014 | } | |
1015 | ||
1016 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
1017 | { | |
1018 | if (shutting_down_) | |
1019 | return; | |
1020 | ||
1021 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
1022 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
1023 | signalbases_.end()); | |
1024 | ||
1025 | for (shared_ptr<views::ViewBase>& view : views_) | |
1026 | view->remove_decode_signal(signal); | |
1027 | ||
1028 | signals_changed(); | |
1029 | } | |
1030 | #endif | |
1031 | ||
1032 | bool Session::all_segments_complete(uint32_t segment_id) const | |
1033 | { | |
1034 | bool all_complete = true; | |
1035 | ||
1036 | for (const shared_ptr<data::SignalBase>& base : signalbases_) | |
1037 | if (!base->segment_is_complete(segment_id)) | |
1038 | all_complete = false; | |
1039 | ||
1040 | return all_complete; | |
1041 | } | |
1042 | ||
1043 | MetadataObjManager* Session::metadata_obj_manager() | |
1044 | { | |
1045 | return &metadata_obj_manager_; | |
1046 | } | |
1047 | ||
1048 | void Session::set_capture_state(capture_state state) | |
1049 | { | |
1050 | if (state == capture_state_) | |
1051 | return; | |
1052 | ||
1053 | if (state == Running) | |
1054 | acq_time_.restart(); | |
1055 | if (state == Stopped) | |
1056 | qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.); | |
1057 | ||
1058 | { | |
1059 | lock_guard<mutex> lock(sampling_mutex_); | |
1060 | capture_state_ = state; | |
1061 | } | |
1062 | ||
1063 | capture_state_changed(state); | |
1064 | } | |
1065 | ||
1066 | void Session::update_signals() | |
1067 | { | |
1068 | if (!device_) { | |
1069 | signalbases_.clear(); | |
1070 | logic_data_.reset(); | |
1071 | for (shared_ptr<views::ViewBase>& view : views_) { | |
1072 | view->clear_signalbases(); | |
1073 | #ifdef ENABLE_DECODE | |
1074 | view->clear_decode_signals(); | |
1075 | #endif | |
1076 | } | |
1077 | return; | |
1078 | } | |
1079 | ||
1080 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1081 | ||
1082 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
1083 | if (!sr_dev) { | |
1084 | signalbases_.clear(); | |
1085 | logic_data_.reset(); | |
1086 | for (shared_ptr<views::ViewBase>& view : views_) { | |
1087 | view->clear_signalbases(); | |
1088 | #ifdef ENABLE_DECODE | |
1089 | view->clear_decode_signals(); | |
1090 | #endif | |
1091 | } | |
1092 | return; | |
1093 | } | |
1094 | ||
1095 | // Detect what data types we will receive | |
1096 | auto channels = sr_dev->channels(); | |
1097 | unsigned int logic_channel_count = count_if( | |
1098 | channels.begin(), channels.end(), | |
1099 | [] (shared_ptr<Channel> channel) { | |
1100 | return channel->type() == sigrok::ChannelType::LOGIC; }); | |
1101 | ||
1102 | // Create a common data container for the logic signalbases | |
1103 | { | |
1104 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
1105 | ||
1106 | if (logic_channel_count == 0) { | |
1107 | logic_data_.reset(); | |
1108 | } else if (!logic_data_ || | |
1109 | logic_data_->num_channels() != logic_channel_count) { | |
1110 | logic_data_.reset(new data::Logic(logic_channel_count)); | |
1111 | assert(logic_data_); | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | // Create signalbases if necessary | |
1116 | for (auto channel : sr_dev->channels()) { | |
1117 | ||
1118 | // Try to find the channel in the list of existing signalbases | |
1119 | const auto iter = find_if(signalbases_.cbegin(), signalbases_.cend(), | |
1120 | [&](const shared_ptr<SignalBase> &sb) { return sb->channel() == channel; }); | |
1121 | ||
1122 | // Not found, let's make a signalbase for it | |
1123 | if (iter == signalbases_.cend()) { | |
1124 | shared_ptr<SignalBase> signalbase; | |
1125 | switch(channel->type()->id()) { | |
1126 | case SR_CHANNEL_LOGIC: | |
1127 | signalbase = make_shared<data::SignalBase>(channel, data::SignalBase::LogicChannel); | |
1128 | signalbases_.push_back(signalbase); | |
1129 | ||
1130 | all_signal_data_.insert(logic_data_); | |
1131 | signalbase->set_data(logic_data_); | |
1132 | ||
1133 | connect(this, SIGNAL(capture_state_changed(int)), | |
1134 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1135 | break; | |
1136 | ||
1137 | case SR_CHANNEL_ANALOG: | |
1138 | signalbase = make_shared<data::SignalBase>(channel, data::SignalBase::AnalogChannel); | |
1139 | signalbases_.push_back(signalbase); | |
1140 | ||
1141 | shared_ptr<data::Analog> data(new data::Analog()); | |
1142 | all_signal_data_.insert(data); | |
1143 | signalbase->set_data(data); | |
1144 | ||
1145 | connect(this, SIGNAL(capture_state_changed(int)), | |
1146 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | // Create and assign default signal groups if needed | |
1153 | if (signal_groups_.empty()) { | |
1154 | for (auto& entry : sr_dev->channel_groups()) { | |
1155 | const shared_ptr<sigrok::ChannelGroup>& group = entry.second; | |
1156 | ||
1157 | if (group->channels().size() <= 1) | |
1158 | continue; | |
1159 | ||
1160 | SignalGroup* sg = new SignalGroup(QString::fromStdString(entry.first)); | |
1161 | for (const shared_ptr<sigrok::Channel>& channel : group->channels()) { | |
1162 | for (shared_ptr<data::SignalBase> s : signalbases_) { | |
1163 | if (s->channel() == channel) { | |
1164 | sg->append_signal(s); | |
1165 | break; | |
1166 | } | |
1167 | } | |
1168 | } | |
1169 | signal_groups_.emplace_back(sg); | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | // Update all views | |
1174 | for (shared_ptr<views::ViewBase>& viewbase : views_) { | |
1175 | vector< shared_ptr<SignalBase> > view_signalbases = | |
1176 | viewbase->signalbases(); | |
1177 | ||
1178 | // Add all non-decode signalbases that don't yet exist in the view | |
1179 | for (shared_ptr<SignalBase>& session_sb : signalbases_) { | |
1180 | if (session_sb->type() == SignalBase::DecodeChannel) | |
1181 | continue; | |
1182 | ||
1183 | const auto iter = find_if(view_signalbases.cbegin(), view_signalbases.cend(), | |
1184 | [&](const shared_ptr<SignalBase> &sb) { return sb == session_sb; }); | |
1185 | ||
1186 | if (iter == view_signalbases.cend()) | |
1187 | viewbase->add_signalbase(session_sb); | |
1188 | } | |
1189 | ||
1190 | // Remove all non-decode signalbases that no longer exist | |
1191 | for (shared_ptr<SignalBase>& view_sb : view_signalbases) { | |
1192 | if (view_sb->type() == SignalBase::DecodeChannel) | |
1193 | continue; | |
1194 | ||
1195 | const auto iter = find_if(signalbases_.cbegin(), signalbases_.cend(), | |
1196 | [&](const shared_ptr<SignalBase> &sb) { return sb == view_sb; }); | |
1197 | ||
1198 | if (iter == signalbases_.cend()) | |
1199 | viewbase->remove_signalbase(view_sb); | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | signals_changed(); | |
1204 | } | |
1205 | ||
1206 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
1207 | shared_ptr<sigrok::Channel> channel) const | |
1208 | { | |
1209 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
1210 | assert(sig); | |
1211 | if (sig->channel() == channel) | |
1212 | return sig; | |
1213 | } | |
1214 | return shared_ptr<data::SignalBase>(); | |
1215 | } | |
1216 | ||
1217 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
1218 | { | |
1219 | assert(error_handler); | |
1220 | ||
1221 | #ifdef ENABLE_FLOW | |
1222 | pipeline_ = Pipeline::create(); | |
1223 | ||
1224 | source_ = ElementFactory::create_element("filesrc", "source"); | |
1225 | sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink")); | |
1226 | ||
1227 | pipeline_->add(source_)->add(sink_); | |
1228 | source_->link(sink_); | |
1229 | ||
1230 | source_->set_property("location", Glib::ustring("/tmp/dummy_binary")); | |
1231 | ||
1232 | sink_->set_property("emit-signals", TRUE); | |
1233 | sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample)); | |
1234 | ||
1235 | // Get the bus from the pipeline and add a bus watch to the default main context | |
1236 | RefPtr<Bus> bus = pipeline_->get_bus(); | |
1237 | bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message)); | |
1238 | ||
1239 | // Start pipeline and Wait until it finished processing | |
1240 | pipeline_done_interrupt_ = false; | |
1241 | pipeline_->set_state(Gst::STATE_PLAYING); | |
1242 | ||
1243 | unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_); | |
1244 | pipeline_done_cond_.wait(pipeline_done_lock_); | |
1245 | ||
1246 | // Let the pipeline free all resources | |
1247 | pipeline_->set_state(Gst::STATE_NULL); | |
1248 | ||
1249 | #else | |
1250 | if (!device_) | |
1251 | return; | |
1252 | ||
1253 | try { | |
1254 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1255 | } catch (Error& e) { | |
1256 | cur_samplerate_ = 0; | |
1257 | } | |
1258 | ||
1259 | out_of_memory_ = false; | |
1260 | ||
1261 | { | |
1262 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1263 | cur_logic_segment_.reset(); | |
1264 | cur_analog_segments_.clear(); | |
1265 | for (shared_ptr<data::SignalBase> sb : signalbases_) | |
1266 | sb->clear_sample_data(); | |
1267 | } | |
1268 | highest_segment_id_ = -1; | |
1269 | frame_began_ = false; | |
1270 | ||
1271 | try { | |
1272 | device_->start(); | |
1273 | } catch (Error& e) { | |
1274 | error_handler(e.what()); | |
1275 | return; | |
1276 | } | |
1277 | ||
1278 | set_capture_state(device_->session()->trigger() ? | |
1279 | AwaitingTrigger : Running); | |
1280 | ||
1281 | try { | |
1282 | device_->run(); | |
1283 | } catch (Error& e) { | |
1284 | error_handler(e.what()); | |
1285 | set_capture_state(Stopped); | |
1286 | return; | |
1287 | } catch (QString& e) { | |
1288 | error_handler(e); | |
1289 | set_capture_state(Stopped); | |
1290 | return; | |
1291 | } | |
1292 | ||
1293 | set_capture_state(Stopped); | |
1294 | ||
1295 | // Confirm that SR_DF_END was received | |
1296 | if (cur_logic_segment_) | |
1297 | qDebug() << "WARNING: SR_DF_END was not received."; | |
1298 | #endif | |
1299 | ||
1300 | // Optimize memory usage | |
1301 | free_unused_memory(); | |
1302 | ||
1303 | // We now have unsaved data unless we just "captured" from a file | |
1304 | shared_ptr<devices::File> file_device = | |
1305 | dynamic_pointer_cast<devices::File>(device_); | |
1306 | ||
1307 | if (!file_device) | |
1308 | data_saved_ = false; | |
1309 | ||
1310 | if (out_of_memory_) | |
1311 | error_handler(tr("Out of memory, acquisition stopped.")); | |
1312 | } | |
1313 | ||
1314 | void Session::free_unused_memory() | |
1315 | { | |
1316 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) { | |
1317 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
1318 | ||
1319 | for (const shared_ptr<data::Segment>& segment : segments) | |
1320 | segment->free_unused_memory(); | |
1321 | } | |
1322 | } | |
1323 | ||
1324 | void Session::signal_new_segment() | |
1325 | { | |
1326 | int new_segment_id = 0; | |
1327 | ||
1328 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
1329 | ||
1330 | // Determine new frame/segment number, assuming that all | |
1331 | // signals have the same number of frames/segments | |
1332 | if (cur_logic_segment_) { | |
1333 | new_segment_id = logic_data_->get_segment_count() - 1; | |
1334 | } else { | |
1335 | shared_ptr<sigrok::Channel> any_channel = | |
1336 | (*cur_analog_segments_.begin()).first; | |
1337 | ||
1338 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1339 | assert(base); | |
1340 | ||
1341 | shared_ptr<data::Analog> data(base->analog_data()); | |
1342 | assert(data); | |
1343 | ||
1344 | new_segment_id = data->get_segment_count() - 1; | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | if (new_segment_id > highest_segment_id_) { | |
1349 | highest_segment_id_ = new_segment_id; | |
1350 | segment_sample_count_.emplace_back(0); | |
1351 | new_segment(highest_segment_id_); | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | void Session::signal_segment_completed() | |
1356 | { | |
1357 | int segment_id = 0; | |
1358 | ||
1359 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
1360 | // We only care about analog and logic channels, not derived ones | |
1361 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1362 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1363 | break; | |
1364 | } | |
1365 | ||
1366 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1367 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1368 | break; | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | if (segment_id >= 0) | |
1373 | segment_completed(segment_id); | |
1374 | } | |
1375 | ||
1376 | #ifdef ENABLE_FLOW | |
1377 | bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message) | |
1378 | { | |
1379 | (void)bus; | |
1380 | ||
1381 | if ((message->get_source() == pipeline_) && \ | |
1382 | ((message->get_message_type() == Gst::MESSAGE_EOS))) | |
1383 | pipeline_done_cond_.notify_one(); | |
1384 | ||
1385 | // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications | |
1386 | ||
1387 | return true; | |
1388 | } | |
1389 | ||
1390 | Gst::FlowReturn Session::on_gst_new_sample() | |
1391 | { | |
1392 | RefPtr<Gst::Sample> sample = sink_->pull_sample(); | |
1393 | RefPtr<Gst::Buffer> buf = sample->get_buffer(); | |
1394 | ||
1395 | for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) { | |
1396 | RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id); | |
1397 | Gst::MapInfo mapinfo; | |
1398 | buf_mem->map(mapinfo, Gst::MAP_READ); | |
1399 | ||
1400 | shared_ptr<sigrok::Packet> logic_packet = | |
1401 | sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1); | |
1402 | ||
1403 | try { | |
1404 | feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload())); | |
1405 | } catch (bad_alloc&) { | |
1406 | out_of_memory_ = true; | |
1407 | device_->stop(); | |
1408 | buf_mem->unmap(mapinfo); | |
1409 | return Gst::FLOW_ERROR; | |
1410 | } | |
1411 | ||
1412 | buf_mem->unmap(mapinfo); | |
1413 | } | |
1414 | ||
1415 | return Gst::FLOW_OK; | |
1416 | } | |
1417 | #endif | |
1418 | ||
1419 | void Session::feed_in_header() | |
1420 | { | |
1421 | // Nothing to do here for now | |
1422 | } | |
1423 | ||
1424 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
1425 | { | |
1426 | for (auto& entry : meta->config()) { | |
1427 | switch (entry.first->id()) { | |
1428 | case SR_CONF_SAMPLERATE: | |
1429 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1430 | break; | |
1431 | default: | |
1432 | qDebug() << "Received meta data key" << entry.first->id() << ", ignoring."; | |
1433 | break; | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | signals_changed(); | |
1438 | } | |
1439 | ||
1440 | void Session::feed_in_trigger() | |
1441 | { | |
1442 | // The channel containing most samples should be most accurate | |
1443 | uint64_t sample_count = 0; | |
1444 | ||
1445 | { | |
1446 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
1447 | assert(d); | |
1448 | uint64_t temp_count = 0; | |
1449 | ||
1450 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1451 | d->segments(); | |
1452 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1453 | temp_count += s->get_sample_count(); | |
1454 | ||
1455 | if (temp_count > sample_count) | |
1456 | sample_count = temp_count; | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | uint32_t segment_id = 0; // Default segment when no frames are used | |
1461 | ||
1462 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1463 | // the trigger. However, as new segments are only created when logic or | |
1464 | // analog data comes in, this doesn't work if the trigger appears right | |
1465 | // after the beginning of the frame, before any sample data. | |
1466 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1467 | // yet and the highest segment ID otherwise. | |
1468 | if (frame_began_) { | |
1469 | segment_id = highest_segment_id_; | |
1470 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1471 | segment_id++; | |
1472 | } | |
1473 | ||
1474 | // TODO Create timestamp from segment start time + segment's current sample count | |
1475 | util::Timestamp timestamp = sample_count / get_samplerate(); | |
1476 | trigger_list_.emplace_back(segment_id, timestamp); | |
1477 | trigger_event(segment_id, timestamp); | |
1478 | } | |
1479 | ||
1480 | void Session::feed_in_frame_begin() | |
1481 | { | |
1482 | frame_began_ = true; | |
1483 | } | |
1484 | ||
1485 | void Session::feed_in_frame_end() | |
1486 | { | |
1487 | if (!frame_began_) | |
1488 | return; | |
1489 | ||
1490 | { | |
1491 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1492 | ||
1493 | if (cur_logic_segment_) | |
1494 | cur_logic_segment_->set_complete(); | |
1495 | ||
1496 | for (auto& entry : cur_analog_segments_) { | |
1497 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1498 | segment->set_complete(); | |
1499 | } | |
1500 | ||
1501 | cur_logic_segment_.reset(); | |
1502 | cur_analog_segments_.clear(); | |
1503 | } | |
1504 | ||
1505 | frame_began_ = false; | |
1506 | ||
1507 | signal_segment_completed(); | |
1508 | } | |
1509 | ||
1510 | void Session::feed_in_logic(shared_ptr<sigrok::Logic> logic) | |
1511 | { | |
1512 | if (logic->data_length() == 0) { | |
1513 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1514 | return; | |
1515 | } | |
1516 | ||
1517 | if (logic->unit_size() > 8) | |
1518 | throw QString(tr("Can't handle more than 64 logic channels.")); | |
1519 | ||
1520 | if (!cur_samplerate_) | |
1521 | try { | |
1522 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1523 | } catch (Error& e) { | |
1524 | // Do nothing | |
1525 | } | |
1526 | ||
1527 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1528 | ||
1529 | if (!logic_data_) { | |
1530 | // The only reason logic_data_ would not have been created is | |
1531 | // if it was not possible to determine the signals when the | |
1532 | // device was created. | |
1533 | update_signals(); | |
1534 | } | |
1535 | ||
1536 | if (!cur_logic_segment_) { | |
1537 | // This could be the first packet after a trigger | |
1538 | set_capture_state(Running); | |
1539 | ||
1540 | // Create a new data segment | |
1541 | cur_logic_segment_ = make_shared<data::LogicSegment>( | |
1542 | *logic_data_, logic_data_->get_segment_count(), | |
1543 | logic->unit_size(), cur_samplerate_); | |
1544 | logic_data_->push_segment(cur_logic_segment_); | |
1545 | ||
1546 | signal_new_segment(); | |
1547 | } | |
1548 | ||
1549 | cur_logic_segment_->append_payload(logic); | |
1550 | ||
1551 | segment_sample_count_[highest_segment_id_] = | |
1552 | max(segment_sample_count_[highest_segment_id_], cur_logic_segment_->get_sample_count()); | |
1553 | ||
1554 | data_received(); | |
1555 | } | |
1556 | ||
1557 | void Session::feed_in_analog(shared_ptr<sigrok::Analog> analog) | |
1558 | { | |
1559 | if (analog->num_samples() == 0) { | |
1560 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1561 | return; | |
1562 | } | |
1563 | ||
1564 | if (!cur_samplerate_) | |
1565 | try { | |
1566 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1567 | } catch (Error& e) { | |
1568 | // Do nothing | |
1569 | } | |
1570 | ||
1571 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1572 | ||
1573 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
1574 | bool sweep_beginning = false; | |
1575 | ||
1576 | unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]); | |
1577 | analog->get_data_as_float(data.get()); | |
1578 | ||
1579 | if (signalbases_.empty()) | |
1580 | update_signals(); | |
1581 | ||
1582 | float *channel_data = data.get(); | |
1583 | for (auto& channel : channels) { | |
1584 | shared_ptr<data::AnalogSegment> segment; | |
1585 | ||
1586 | // Try to get the segment of the channel | |
1587 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1588 | iterator iter = cur_analog_segments_.find(channel); | |
1589 | if (iter != cur_analog_segments_.end()) | |
1590 | segment = (*iter).second; | |
1591 | else { | |
1592 | // If no segment was found, this means we haven't | |
1593 | // created one yet. i.e. this is the first packet | |
1594 | // in the sweep containing this segment. | |
1595 | sweep_beginning = true; | |
1596 | ||
1597 | // Find the analog data associated with the channel | |
1598 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
1599 | assert(base); | |
1600 | ||
1601 | shared_ptr<data::Analog> data(base->analog_data()); | |
1602 | assert(data); | |
1603 | ||
1604 | // Create a segment, keep it in the maps of channels | |
1605 | segment = make_shared<data::AnalogSegment>( | |
1606 | *data, data->get_segment_count(), cur_samplerate_); | |
1607 | cur_analog_segments_[channel] = segment; | |
1608 | ||
1609 | // Push the segment into the analog data. | |
1610 | data->push_segment(segment); | |
1611 | ||
1612 | signal_new_segment(); | |
1613 | } | |
1614 | ||
1615 | assert(segment); | |
1616 | ||
1617 | // Append the samples in the segment | |
1618 | segment->append_interleaved_samples(channel_data++, analog->num_samples(), | |
1619 | channels.size()); | |
1620 | ||
1621 | segment_sample_count_[highest_segment_id_] = | |
1622 | max(segment_sample_count_[highest_segment_id_], segment->get_sample_count()); | |
1623 | } | |
1624 | ||
1625 | if (sweep_beginning) { | |
1626 | // This could be the first packet after a trigger | |
1627 | set_capture_state(Running); | |
1628 | } | |
1629 | ||
1630 | data_received(); | |
1631 | } | |
1632 | ||
1633 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
1634 | shared_ptr<Packet> packet) | |
1635 | { | |
1636 | (void)device; | |
1637 | ||
1638 | assert(device); | |
1639 | assert(device == device_->device()); | |
1640 | assert(packet); | |
1641 | ||
1642 | switch (packet->type()->id()) { | |
1643 | case SR_DF_HEADER: | |
1644 | feed_in_header(); | |
1645 | break; | |
1646 | ||
1647 | case SR_DF_META: | |
1648 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
1649 | break; | |
1650 | ||
1651 | case SR_DF_TRIGGER: | |
1652 | feed_in_trigger(); | |
1653 | break; | |
1654 | ||
1655 | case SR_DF_LOGIC: | |
1656 | try { | |
1657 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
1658 | } catch (bad_alloc&) { | |
1659 | out_of_memory_ = true; | |
1660 | device_->stop(); | |
1661 | } | |
1662 | break; | |
1663 | ||
1664 | case SR_DF_ANALOG: | |
1665 | try { | |
1666 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
1667 | } catch (bad_alloc&) { | |
1668 | out_of_memory_ = true; | |
1669 | device_->stop(); | |
1670 | } | |
1671 | break; | |
1672 | ||
1673 | case SR_DF_FRAME_BEGIN: | |
1674 | feed_in_frame_begin(); | |
1675 | break; | |
1676 | ||
1677 | case SR_DF_FRAME_END: | |
1678 | feed_in_frame_end(); | |
1679 | break; | |
1680 | ||
1681 | case SR_DF_END: | |
1682 | // Strictly speaking, this is performed when a frame end marker was | |
1683 | // received, so there's no point doing this again. However, not all | |
1684 | // devices use frames, and for those devices, we need to do it here. | |
1685 | { | |
1686 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1687 | ||
1688 | if (cur_logic_segment_) | |
1689 | cur_logic_segment_->set_complete(); | |
1690 | ||
1691 | for (auto& entry : cur_analog_segments_) { | |
1692 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1693 | segment->set_complete(); | |
1694 | } | |
1695 | ||
1696 | cur_logic_segment_.reset(); | |
1697 | cur_analog_segments_.clear(); | |
1698 | } | |
1699 | break; | |
1700 | ||
1701 | default: | |
1702 | break; | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | void Session::on_data_saved() | |
1707 | { | |
1708 | data_saved_ = true; | |
1709 | } | |
1710 | ||
1711 | #ifdef ENABLE_DECODE | |
1712 | void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders) | |
1713 | { | |
1714 | assert(decoders.size() > 0); | |
1715 | ||
1716 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
1717 | ||
1718 | if (signal) | |
1719 | for (unsigned int i = 0; i < decoders.size(); i++) { | |
1720 | const srd_decoder* d = decoders[i]; | |
1721 | signal->stack_decoder(d, !(i < decoders.size() - 1)); | |
1722 | } | |
1723 | } | |
1724 | #endif | |
1725 | ||
1726 | } // namespace pv |