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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <cassert> | |
21 | #include <memory> | |
22 | #include <mutex> | |
23 | #include <stdexcept> | |
24 | ||
25 | #include <sys/stat.h> | |
26 | ||
27 | #include <QDebug> | |
28 | #include <QFileInfo> | |
29 | ||
30 | #include "devicemanager.hpp" | |
31 | #include "mainwindow.hpp" | |
32 | #include "session.hpp" | |
33 | #include "util.hpp" | |
34 | ||
35 | #include "data/analog.hpp" | |
36 | #include "data/analogsegment.hpp" | |
37 | #include "data/decode/decoder.hpp" | |
38 | #include "data/logic.hpp" | |
39 | #include "data/logicsegment.hpp" | |
40 | #include "data/signalbase.hpp" | |
41 | ||
42 | #include "devices/hardwaredevice.hpp" | |
43 | #include "devices/inputfile.hpp" | |
44 | #include "devices/sessionfile.hpp" | |
45 | ||
46 | #include "toolbars/mainbar.hpp" | |
47 | ||
48 | #include "views/trace/analogsignal.hpp" | |
49 | #include "views/trace/decodetrace.hpp" | |
50 | #include "views/trace/logicsignal.hpp" | |
51 | #include "views/trace/signal.hpp" | |
52 | #include "views/trace/view.hpp" | |
53 | ||
54 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
55 | ||
56 | #ifdef ENABLE_FLOW | |
57 | #include <gstreamermm.h> | |
58 | #include <libsigrokflow/libsigrokflow.hpp> | |
59 | #endif | |
60 | ||
61 | #ifdef ENABLE_DECODE | |
62 | #include <libsigrokdecode/libsigrokdecode.h> | |
63 | #include "data/decodesignal.hpp" | |
64 | #endif | |
65 | ||
66 | using std::bad_alloc; | |
67 | using std::dynamic_pointer_cast; | |
68 | using std::find_if; | |
69 | using std::function; | |
70 | using std::list; | |
71 | using std::lock_guard; | |
72 | using std::make_pair; | |
73 | using std::make_shared; | |
74 | using std::map; | |
75 | using std::max; | |
76 | using std::move; | |
77 | using std::mutex; | |
78 | using std::pair; | |
79 | using std::recursive_mutex; | |
80 | using std::runtime_error; | |
81 | using std::shared_ptr; | |
82 | using std::string; | |
83 | #ifdef ENABLE_FLOW | |
84 | using std::unique_lock; | |
85 | #endif | |
86 | using std::unique_ptr; | |
87 | using std::unordered_set; | |
88 | using std::vector; | |
89 | ||
90 | using sigrok::Analog; | |
91 | using sigrok::Channel; | |
92 | using sigrok::ConfigKey; | |
93 | using sigrok::DatafeedCallbackFunction; | |
94 | using sigrok::Error; | |
95 | using sigrok::InputFormat; | |
96 | using sigrok::Logic; | |
97 | using sigrok::Meta; | |
98 | using sigrok::Packet; | |
99 | using sigrok::Session; | |
100 | ||
101 | using Glib::VariantBase; | |
102 | ||
103 | #ifdef ENABLE_FLOW | |
104 | using Gst::Bus; | |
105 | using Gst::ElementFactory; | |
106 | using Gst::Pipeline; | |
107 | #endif | |
108 | ||
109 | using pv::util::Timestamp; | |
110 | using pv::views::trace::Signal; | |
111 | using pv::views::trace::AnalogSignal; | |
112 | using pv::views::trace::LogicSignal; | |
113 | ||
114 | namespace pv { | |
115 | ||
116 | shared_ptr<sigrok::Context> Session::sr_context; | |
117 | ||
118 | Session::Session(DeviceManager &device_manager, QString name) : | |
119 | device_manager_(device_manager), | |
120 | default_name_(name), | |
121 | name_(name), | |
122 | capture_state_(Stopped), | |
123 | cur_samplerate_(0), | |
124 | data_saved_(true) | |
125 | { | |
126 | } | |
127 | ||
128 | Session::~Session() | |
129 | { | |
130 | // Stop and join to the thread | |
131 | stop_capture(); | |
132 | } | |
133 | ||
134 | DeviceManager& Session::device_manager() | |
135 | { | |
136 | return device_manager_; | |
137 | } | |
138 | ||
139 | const DeviceManager& Session::device_manager() const | |
140 | { | |
141 | return device_manager_; | |
142 | } | |
143 | ||
144 | shared_ptr<sigrok::Session> Session::session() const | |
145 | { | |
146 | if (!device_) | |
147 | return shared_ptr<sigrok::Session>(); | |
148 | return device_->session(); | |
149 | } | |
150 | ||
151 | shared_ptr<devices::Device> Session::device() const | |
152 | { | |
153 | return device_; | |
154 | } | |
155 | ||
156 | QString Session::name() const | |
157 | { | |
158 | return name_; | |
159 | } | |
160 | ||
161 | void Session::set_name(QString name) | |
162 | { | |
163 | if (default_name_.isEmpty()) | |
164 | default_name_ = name; | |
165 | ||
166 | name_ = name; | |
167 | ||
168 | name_changed(); | |
169 | } | |
170 | ||
171 | const vector< shared_ptr<views::ViewBase> > Session::views() const | |
172 | { | |
173 | return views_; | |
174 | } | |
175 | ||
176 | shared_ptr<views::ViewBase> Session::main_view() const | |
177 | { | |
178 | return main_view_; | |
179 | } | |
180 | ||
181 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) | |
182 | { | |
183 | main_bar_ = main_bar; | |
184 | } | |
185 | ||
186 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
187 | { | |
188 | return main_bar_; | |
189 | } | |
190 | ||
191 | bool Session::data_saved() const | |
192 | { | |
193 | return data_saved_; | |
194 | } | |
195 | ||
196 | void Session::save_setup(QSettings &settings) const | |
197 | { | |
198 | int i = 0; | |
199 | ||
200 | // Save channels and decoders | |
201 | for (const shared_ptr<data::SignalBase>& base : signalbases_) { | |
202 | #ifdef ENABLE_DECODE | |
203 | if (base->is_decode_signal()) { | |
204 | settings.beginGroup("decode_signal" + QString::number(i++)); | |
205 | base->save_settings(settings); | |
206 | settings.endGroup(); | |
207 | } else | |
208 | #endif | |
209 | { | |
210 | settings.beginGroup(base->internal_name()); | |
211 | base->save_settings(settings); | |
212 | settings.endGroup(); | |
213 | } | |
214 | } | |
215 | ||
216 | settings.setValue("decode_signals", i); | |
217 | ||
218 | // Save view states and their signal settings | |
219 | // Note: main_view must be saved as view0 | |
220 | i = 0; | |
221 | settings.beginGroup("view" + QString::number(i++)); | |
222 | main_view_->save_settings(settings); | |
223 | settings.endGroup(); | |
224 | ||
225 | for (const shared_ptr<views::ViewBase>& view : views_) { | |
226 | if (view != main_view_) { | |
227 | settings.beginGroup("view" + QString::number(i++)); | |
228 | settings.setValue("type", view->get_type()); | |
229 | view->save_settings(settings); | |
230 | settings.endGroup(); | |
231 | } | |
232 | } | |
233 | ||
234 | settings.setValue("views", i); | |
235 | ||
236 | int view_id = 0; | |
237 | i = 0; | |
238 | for (const shared_ptr<views::ViewBase> vb : views_) { | |
239 | shared_ptr<views::trace::View> tv = dynamic_pointer_cast<views::trace::View>(vb); | |
240 | if (tv) { | |
241 | for (const shared_ptr<views::trace::TimeItem>& time_item : tv->time_items()) { | |
242 | ||
243 | const shared_ptr<views::trace::Flag> flag = | |
244 | dynamic_pointer_cast<views::trace::Flag>(time_item); | |
245 | if (flag) { | |
246 | if (!flag->enabled()) | |
247 | continue; | |
248 | ||
249 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
250 | settings.setValue("type", "time_marker"); | |
251 | settings.setValue("assoc_view", view_id); | |
252 | GlobalSettings::store_timestamp(settings, "time", flag->time()); | |
253 | settings.setValue("text", flag->get_text()); | |
254 | settings.endGroup(); | |
255 | } | |
256 | } | |
257 | ||
258 | if (tv->cursors_shown()) { | |
259 | settings.beginGroup("meta_obj" + QString::number(i++)); | |
260 | settings.setValue("type", "selection"); | |
261 | settings.setValue("assoc_view", view_id); | |
262 | const shared_ptr<views::trace::CursorPair> cp = tv->cursors(); | |
263 | GlobalSettings::store_timestamp(settings, "start_time", cp->first()->time()); | |
264 | GlobalSettings::store_timestamp(settings, "end_time", cp->second()->time()); | |
265 | settings.endGroup(); | |
266 | } | |
267 | } | |
268 | ||
269 | view_id++; | |
270 | } | |
271 | ||
272 | settings.setValue("meta_objs", i); | |
273 | } | |
274 | ||
275 | void Session::save_settings(QSettings &settings) const | |
276 | { | |
277 | map<string, string> dev_info; | |
278 | list<string> key_list; | |
279 | ||
280 | if (device_) { | |
281 | shared_ptr<devices::HardwareDevice> hw_device = | |
282 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
283 | ||
284 | if (hw_device) { | |
285 | settings.setValue("device_type", "hardware"); | |
286 | settings.beginGroup("device"); | |
287 | ||
288 | key_list.emplace_back("vendor"); | |
289 | key_list.emplace_back("model"); | |
290 | key_list.emplace_back("version"); | |
291 | key_list.emplace_back("serial_num"); | |
292 | key_list.emplace_back("connection_id"); | |
293 | ||
294 | dev_info = device_manager_.get_device_info(device_); | |
295 | ||
296 | for (string& key : key_list) { | |
297 | if (dev_info.count(key)) | |
298 | settings.setValue(QString::fromUtf8(key.c_str()), | |
299 | QString::fromUtf8(dev_info.at(key).c_str())); | |
300 | else | |
301 | settings.remove(QString::fromUtf8(key.c_str())); | |
302 | } | |
303 | ||
304 | settings.endGroup(); | |
305 | } | |
306 | ||
307 | shared_ptr<devices::SessionFile> sessionfile_device = | |
308 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
309 | ||
310 | if (sessionfile_device) { | |
311 | settings.setValue("device_type", "sessionfile"); | |
312 | settings.beginGroup("device"); | |
313 | settings.setValue("filename", QString::fromStdString( | |
314 | sessionfile_device->full_name())); | |
315 | settings.endGroup(); | |
316 | } | |
317 | ||
318 | shared_ptr<devices::InputFile> inputfile_device = | |
319 | dynamic_pointer_cast<devices::InputFile>(device_); | |
320 | ||
321 | if (inputfile_device) { | |
322 | settings.setValue("device_type", "inputfile"); | |
323 | settings.beginGroup("device"); | |
324 | inputfile_device->save_meta_to_settings(settings); | |
325 | settings.endGroup(); | |
326 | } | |
327 | ||
328 | save_setup(settings); | |
329 | } | |
330 | } | |
331 | ||
332 | void Session::restore_setup(QSettings &settings) | |
333 | { | |
334 | // Restore channels | |
335 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
336 | settings.beginGroup(base->internal_name()); | |
337 | base->restore_settings(settings); | |
338 | settings.endGroup(); | |
339 | } | |
340 | ||
341 | // Restore decoders | |
342 | #ifdef ENABLE_DECODE | |
343 | int decode_signals = settings.value("decode_signals").toInt(); | |
344 | ||
345 | for (int i = 0; i < decode_signals; i++) { | |
346 | settings.beginGroup("decode_signal" + QString::number(i)); | |
347 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
348 | signal->restore_settings(settings); | |
349 | settings.endGroup(); | |
350 | } | |
351 | #endif | |
352 | ||
353 | // Restore views | |
354 | int views = settings.value("views").toInt(); | |
355 | ||
356 | for (int i = 0; i < views; i++) { | |
357 | settings.beginGroup("view" + QString::number(i)); | |
358 | ||
359 | if (i > 0) { | |
360 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); | |
361 | add_view(type, this); | |
362 | views_.back()->restore_settings(settings); | |
363 | } else | |
364 | main_view_->restore_settings(settings); | |
365 | ||
366 | settings.endGroup(); | |
367 | } | |
368 | ||
369 | // Restore meta objects like markers and cursors | |
370 | int meta_objs = settings.value("meta_objs").toInt(); | |
371 | ||
372 | for (int i = 0; i < meta_objs; i++) { | |
373 | settings.beginGroup("meta_obj" + QString::number(i)); | |
374 | ||
375 | shared_ptr<views::ViewBase> vb; | |
376 | shared_ptr<views::trace::View> tv; | |
377 | if (settings.contains("assoc_view")) | |
378 | vb = views_.at(settings.value("assoc_view").toInt()); | |
379 | ||
380 | if (vb) | |
381 | tv = dynamic_pointer_cast<views::trace::View>(vb); | |
382 | ||
383 | const QString type = settings.value("type").toString(); | |
384 | ||
385 | if ((type == "time_marker") && tv) { | |
386 | Timestamp ts = GlobalSettings::restore_timestamp(settings, "time"); | |
387 | shared_ptr<views::trace::Flag> flag = tv->add_flag(ts); | |
388 | flag->set_text(settings.value("text").toString()); | |
389 | } | |
390 | ||
391 | if ((type == "selection") && tv) { | |
392 | Timestamp start = GlobalSettings::restore_timestamp(settings, "start_time"); | |
393 | Timestamp end = GlobalSettings::restore_timestamp(settings, "end_time"); | |
394 | tv->set_cursors(start, end); | |
395 | tv->show_cursors(); | |
396 | } | |
397 | ||
398 | settings.endGroup(); | |
399 | } | |
400 | } | |
401 | ||
402 | void Session::restore_settings(QSettings &settings) | |
403 | { | |
404 | shared_ptr<devices::Device> device; | |
405 | ||
406 | const QString device_type = settings.value("device_type").toString(); | |
407 | ||
408 | if (device_type == "hardware") { | |
409 | map<string, string> dev_info; | |
410 | list<string> key_list; | |
411 | ||
412 | // Re-select last used device if possible but only if it's not demo | |
413 | settings.beginGroup("device"); | |
414 | key_list.emplace_back("vendor"); | |
415 | key_list.emplace_back("model"); | |
416 | key_list.emplace_back("version"); | |
417 | key_list.emplace_back("serial_num"); | |
418 | key_list.emplace_back("connection_id"); | |
419 | ||
420 | for (string key : key_list) { | |
421 | const QString k = QString::fromStdString(key); | |
422 | if (!settings.contains(k)) | |
423 | continue; | |
424 | ||
425 | const string value = settings.value(k).toString().toStdString(); | |
426 | if (!value.empty()) | |
427 | dev_info.insert(make_pair(key, value)); | |
428 | } | |
429 | ||
430 | if (dev_info.count("model") > 0) | |
431 | device = device_manager_.find_device_from_info(dev_info); | |
432 | ||
433 | if (device) | |
434 | set_device(device); | |
435 | ||
436 | settings.endGroup(); | |
437 | } | |
438 | ||
439 | if ((device_type == "sessionfile") || (device_type == "inputfile")) { | |
440 | if (device_type == "sessionfile") { | |
441 | settings.beginGroup("device"); | |
442 | const QString filename = settings.value("filename").toString(); | |
443 | settings.endGroup(); | |
444 | ||
445 | if (QFileInfo(filename).isReadable()) { | |
446 | device = make_shared<devices::SessionFile>(device_manager_.context(), | |
447 | filename.toStdString()); | |
448 | } | |
449 | } | |
450 | ||
451 | if (device_type == "inputfile") { | |
452 | settings.beginGroup("device"); | |
453 | device = make_shared<devices::InputFile>(device_manager_.context(), | |
454 | settings); | |
455 | settings.endGroup(); | |
456 | } | |
457 | ||
458 | if (device) { | |
459 | set_device(device); | |
460 | ||
461 | start_capture([](QString infoMessage) { | |
462 | // TODO Emulate noquote() | |
463 | qDebug() << "Session error:" << infoMessage; }); | |
464 | ||
465 | set_name(QString::fromStdString( | |
466 | dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_))); | |
467 | } | |
468 | } | |
469 | ||
470 | if (device) | |
471 | restore_setup(settings); | |
472 | } | |
473 | ||
474 | void Session::select_device(shared_ptr<devices::Device> device) | |
475 | { | |
476 | try { | |
477 | if (device) | |
478 | set_device(device); | |
479 | else | |
480 | set_default_device(); | |
481 | } catch (const QString &e) { | |
482 | MainWindow::show_session_error(tr("Failed to select device"), e); | |
483 | } | |
484 | } | |
485 | ||
486 | void Session::set_device(shared_ptr<devices::Device> device) | |
487 | { | |
488 | assert(device); | |
489 | ||
490 | // Ensure we are not capturing before setting the device | |
491 | stop_capture(); | |
492 | ||
493 | if (device_) | |
494 | device_->close(); | |
495 | ||
496 | device_.reset(); | |
497 | ||
498 | // Revert name back to default name (e.g. "Session 1") as the data is gone | |
499 | name_ = default_name_; | |
500 | name_changed(); | |
501 | ||
502 | // Remove all stored data and reset all views | |
503 | for (shared_ptr<views::ViewBase> view : views_) { | |
504 | view->clear_signals(); | |
505 | #ifdef ENABLE_DECODE | |
506 | view->clear_decode_signals(); | |
507 | #endif | |
508 | view->reset_view_state(); | |
509 | } | |
510 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
511 | d->clear(); | |
512 | all_signal_data_.clear(); | |
513 | signalbases_.clear(); | |
514 | cur_logic_segment_.reset(); | |
515 | ||
516 | for (auto& entry : cur_analog_segments_) { | |
517 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
518 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
519 | } | |
520 | ||
521 | logic_data_.reset(); | |
522 | ||
523 | signals_changed(); | |
524 | ||
525 | device_ = move(device); | |
526 | ||
527 | try { | |
528 | device_->open(); | |
529 | } catch (const QString &e) { | |
530 | device_.reset(); | |
531 | MainWindow::show_session_error(tr("Failed to open device"), e); | |
532 | } | |
533 | ||
534 | if (device_) { | |
535 | device_->session()->add_datafeed_callback([=] | |
536 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
537 | data_feed_in(device, packet); | |
538 | }); | |
539 | ||
540 | update_signals(); | |
541 | } | |
542 | ||
543 | device_changed(); | |
544 | } | |
545 | ||
546 | void Session::set_default_device() | |
547 | { | |
548 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
549 | device_manager_.devices(); | |
550 | ||
551 | if (devices.empty()) | |
552 | return; | |
553 | ||
554 | // Try and find the demo device and select that by default | |
555 | const auto iter = find_if(devices.begin(), devices.end(), | |
556 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
557 | return d->hardware_device()->driver()->name() == "demo"; }); | |
558 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
559 | } | |
560 | ||
561 | bool Session::using_file_device() const | |
562 | { | |
563 | shared_ptr<devices::SessionFile> sessionfile_device = | |
564 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
565 | ||
566 | shared_ptr<devices::InputFile> inputfile_device = | |
567 | dynamic_pointer_cast<devices::InputFile>(device_); | |
568 | ||
569 | return (sessionfile_device || inputfile_device); | |
570 | } | |
571 | ||
572 | /** | |
573 | * Convert generic options to data types that are specific to InputFormat. | |
574 | * | |
575 | * @param[in] user_spec Vector of tokenized words, string format. | |
576 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
577 | * | |
578 | * @return Map of options suitable for InputFormat::create_input(). | |
579 | */ | |
580 | map<string, Glib::VariantBase> | |
581 | Session::input_format_options(vector<string> user_spec, | |
582 | map<string, shared_ptr<Option>> fmt_opts) | |
583 | { | |
584 | map<string, Glib::VariantBase> result; | |
585 | ||
586 | for (auto& entry : user_spec) { | |
587 | /* | |
588 | * Split key=value specs. Accept entries without separator | |
589 | * (for simplified boolean specifications). | |
590 | */ | |
591 | string key, val; | |
592 | size_t pos = entry.find("="); | |
593 | if (pos == std::string::npos) { | |
594 | key = entry; | |
595 | val = ""; | |
596 | } else { | |
597 | key = entry.substr(0, pos); | |
598 | val = entry.substr(pos + 1); | |
599 | } | |
600 | ||
601 | /* | |
602 | * Skip user specifications that are not a member of the | |
603 | * format's set of supported options. Have the text input | |
604 | * spec converted to the required input format specific | |
605 | * data type. | |
606 | */ | |
607 | auto found = fmt_opts.find(key); | |
608 | if (found == fmt_opts.end()) | |
609 | continue; | |
610 | shared_ptr<Option> opt = found->second; | |
611 | result[key] = opt->parse_string(val); | |
612 | } | |
613 | ||
614 | return result; | |
615 | } | |
616 | ||
617 | void Session::load_init_file(const string &file_name, | |
618 | const string &format, const string &setup_file_name) | |
619 | { | |
620 | shared_ptr<InputFormat> input_format; | |
621 | map<string, Glib::VariantBase> input_opts; | |
622 | ||
623 | if (!format.empty()) { | |
624 | const map<string, shared_ptr<InputFormat> > formats = | |
625 | device_manager_.context()->input_formats(); | |
626 | auto user_opts = pv::util::split_string(format, ":"); | |
627 | string user_name = user_opts.front(); | |
628 | user_opts.erase(user_opts.begin()); | |
629 | const auto iter = find_if(formats.begin(), formats.end(), | |
630 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
631 | return f.first == user_name; }); | |
632 | if (iter == formats.end()) { | |
633 | MainWindow::show_session_error(tr("Error"), | |
634 | tr("Unexpected input format: %s").arg(QString::fromStdString(format))); | |
635 | return; | |
636 | } | |
637 | input_format = (*iter).second; | |
638 | input_opts = input_format_options(user_opts, | |
639 | input_format->options()); | |
640 | } | |
641 | ||
642 | load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name), | |
643 | input_format, input_opts); | |
644 | } | |
645 | ||
646 | void Session::load_file(QString file_name, QString setup_file_name, | |
647 | shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options) | |
648 | { | |
649 | const QString errorMessage( | |
650 | QString("Failed to load file %1").arg(file_name)); | |
651 | ||
652 | // In the absence of a caller's format spec, try to auto detect. | |
653 | // Assume "sigrok session file" upon lookup miss. | |
654 | if (!format) | |
655 | format = device_manager_.context()->input_format_match(file_name.toStdString()); | |
656 | try { | |
657 | if (format) | |
658 | set_device(shared_ptr<devices::Device>( | |
659 | new devices::InputFile( | |
660 | device_manager_.context(), | |
661 | file_name.toStdString(), | |
662 | format, options))); | |
663 | else | |
664 | set_device(shared_ptr<devices::Device>( | |
665 | new devices::SessionFile( | |
666 | device_manager_.context(), | |
667 | file_name.toStdString()))); | |
668 | } catch (Error& e) { | |
669 | MainWindow::show_session_error(tr("Failed to load %1").arg(file_name), e.what()); | |
670 | set_default_device(); | |
671 | main_bar_->update_device_list(); | |
672 | return; | |
673 | } | |
674 | ||
675 | // Use the input file with .pvs extension if no setup file was given | |
676 | if (setup_file_name.isEmpty()) { | |
677 | setup_file_name = file_name; | |
678 | setup_file_name.truncate(setup_file_name.lastIndexOf('.')); | |
679 | setup_file_name.append(".pvs"); | |
680 | } | |
681 | ||
682 | if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) { | |
683 | QSettings settings_storage(setup_file_name, QSettings::IniFormat); | |
684 | restore_setup(settings_storage); | |
685 | } | |
686 | ||
687 | main_bar_->update_device_list(); | |
688 | ||
689 | start_capture([&, errorMessage](QString infoMessage) { | |
690 | MainWindow::show_session_error(errorMessage, infoMessage); }); | |
691 | ||
692 | set_name(QFileInfo(file_name).fileName()); | |
693 | } | |
694 | ||
695 | Session::capture_state Session::get_capture_state() const | |
696 | { | |
697 | lock_guard<mutex> lock(sampling_mutex_); | |
698 | return capture_state_; | |
699 | } | |
700 | ||
701 | void Session::start_capture(function<void (const QString)> error_handler) | |
702 | { | |
703 | if (!device_) { | |
704 | error_handler(tr("No active device set, can't start acquisition.")); | |
705 | return; | |
706 | } | |
707 | ||
708 | stop_capture(); | |
709 | ||
710 | // Check that at least one channel is enabled | |
711 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
712 | if (sr_dev) { | |
713 | const auto channels = sr_dev->channels(); | |
714 | if (!any_of(channels.begin(), channels.end(), | |
715 | [](shared_ptr<Channel> channel) { | |
716 | return channel->enabled(); })) { | |
717 | error_handler(tr("No channels enabled.")); | |
718 | return; | |
719 | } | |
720 | } | |
721 | ||
722 | // Clear signal data | |
723 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
724 | d->clear(); | |
725 | ||
726 | trigger_list_.clear(); | |
727 | ||
728 | // Revert name back to default name (e.g. "Session 1") for real devices | |
729 | // as the (possibly saved) data is gone. File devices keep their name. | |
730 | shared_ptr<devices::HardwareDevice> hw_device = | |
731 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
732 | ||
733 | if (hw_device) { | |
734 | name_ = default_name_; | |
735 | name_changed(); | |
736 | } | |
737 | ||
738 | // Begin the session | |
739 | sampling_thread_ = std::thread( | |
740 | &Session::sample_thread_proc, this, error_handler); | |
741 | } | |
742 | ||
743 | void Session::stop_capture() | |
744 | { | |
745 | if (get_capture_state() != Stopped) | |
746 | device_->stop(); | |
747 | ||
748 | // Check that sampling stopped | |
749 | if (sampling_thread_.joinable()) | |
750 | sampling_thread_.join(); | |
751 | } | |
752 | ||
753 | void Session::register_view(shared_ptr<views::ViewBase> view) | |
754 | { | |
755 | if (views_.empty()) | |
756 | main_view_ = view; | |
757 | ||
758 | views_.push_back(view); | |
759 | ||
760 | // Add all device signals | |
761 | update_signals(); | |
762 | ||
763 | // Add all other signals | |
764 | unordered_set< shared_ptr<data::SignalBase> > view_signalbases = view->signalbases(); | |
765 | ||
766 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
767 | const int sb_exists = count_if( | |
768 | view_signalbases.cbegin(), view_signalbases.cend(), | |
769 | [&](const shared_ptr<data::SignalBase> &sb) { | |
770 | return sb == signalbase; | |
771 | }); | |
772 | ||
773 | // Add the signal to the view if it doesn't have it yet | |
774 | if (!sb_exists) | |
775 | switch (signalbase->type()) { | |
776 | case data::SignalBase::AnalogChannel: | |
777 | case data::SignalBase::LogicChannel: | |
778 | case data::SignalBase::MathChannel: | |
779 | view->add_signalbase(signalbase); | |
780 | break; | |
781 | case data::SignalBase::DecodeChannel: | |
782 | #ifdef ENABLE_DECODE | |
783 | view->add_decode_signal(dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
784 | #endif | |
785 | break; | |
786 | } | |
787 | } | |
788 | ||
789 | signals_changed(); | |
790 | } | |
791 | ||
792 | void Session::deregister_view(shared_ptr<views::ViewBase> view) | |
793 | { | |
794 | views_.erase(std::remove_if(views_.begin(), views_.end(), | |
795 | [&](shared_ptr<views::ViewBase> v) { return v == view; }), | |
796 | views_.end()); | |
797 | ||
798 | if (views_.empty()) { | |
799 | main_view_.reset(); | |
800 | ||
801 | // Without a view there can be no main bar | |
802 | main_bar_.reset(); | |
803 | } | |
804 | } | |
805 | ||
806 | bool Session::has_view(shared_ptr<views::ViewBase> view) | |
807 | { | |
808 | for (shared_ptr<views::ViewBase>& v : views_) | |
809 | if (v == view) | |
810 | return true; | |
811 | ||
812 | return false; | |
813 | } | |
814 | ||
815 | double Session::get_samplerate() const | |
816 | { | |
817 | double samplerate = 0.0; | |
818 | ||
819 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
820 | assert(d); | |
821 | const vector< shared_ptr<pv::data::Segment> > segments = | |
822 | d->segments(); | |
823 | for (const shared_ptr<pv::data::Segment>& s : segments) | |
824 | samplerate = max(samplerate, s->samplerate()); | |
825 | } | |
826 | // If there is no sample rate given we use samples as unit | |
827 | if (samplerate == 0.0) | |
828 | samplerate = 1.0; | |
829 | ||
830 | return samplerate; | |
831 | } | |
832 | ||
833 | uint32_t Session::get_segment_count() const | |
834 | { | |
835 | uint32_t value = 0; | |
836 | ||
837 | // Find the highest number of segments | |
838 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) | |
839 | if (data->get_segment_count() > value) | |
840 | value = data->get_segment_count(); | |
841 | ||
842 | return value; | |
843 | } | |
844 | ||
845 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const | |
846 | { | |
847 | vector<util::Timestamp> result; | |
848 | ||
849 | for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_) | |
850 | if (entry.first == segment_id) | |
851 | result.push_back(entry.second); | |
852 | ||
853 | return result; | |
854 | } | |
855 | ||
856 | const vector< shared_ptr<data::SignalBase> > Session::signalbases() const | |
857 | { | |
858 | return signalbases_; | |
859 | } | |
860 | ||
861 | bool Session::all_segments_complete(uint32_t segment_id) const | |
862 | { | |
863 | bool all_complete = true; | |
864 | ||
865 | for (const shared_ptr<data::SignalBase>& base : signalbases_) | |
866 | if (!base->segment_is_complete(segment_id)) | |
867 | all_complete = false; | |
868 | ||
869 | return all_complete; | |
870 | } | |
871 | ||
872 | #ifdef ENABLE_DECODE | |
873 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() | |
874 | { | |
875 | shared_ptr<data::DecodeSignal> signal; | |
876 | ||
877 | try { | |
878 | // Create the decode signal | |
879 | signal = make_shared<data::DecodeSignal>(*this); | |
880 | ||
881 | signalbases_.push_back(signal); | |
882 | ||
883 | // Add the decode signal to all views | |
884 | for (shared_ptr<views::ViewBase>& view : views_) | |
885 | view->add_decode_signal(signal); | |
886 | } catch (runtime_error& e) { | |
887 | remove_decode_signal(signal); | |
888 | return nullptr; | |
889 | } | |
890 | ||
891 | signals_changed(); | |
892 | ||
893 | return signal; | |
894 | } | |
895 | ||
896 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
897 | { | |
898 | signalbases_.erase(std::remove_if(signalbases_.begin(), signalbases_.end(), | |
899 | [&](shared_ptr<data::SignalBase> s) { return s == signal; }), | |
900 | signalbases_.end()); | |
901 | ||
902 | for (shared_ptr<views::ViewBase>& view : views_) | |
903 | view->remove_decode_signal(signal); | |
904 | ||
905 | signals_changed(); | |
906 | } | |
907 | #endif | |
908 | ||
909 | void Session::set_capture_state(capture_state state) | |
910 | { | |
911 | bool changed; | |
912 | ||
913 | if (state == Running) | |
914 | acq_time_.restart(); | |
915 | if (state == Stopped) | |
916 | qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.); | |
917 | ||
918 | { | |
919 | lock_guard<mutex> lock(sampling_mutex_); | |
920 | changed = capture_state_ != state; | |
921 | capture_state_ = state; | |
922 | } | |
923 | ||
924 | if (changed) | |
925 | capture_state_changed(state); | |
926 | } | |
927 | ||
928 | void Session::update_signals() | |
929 | { | |
930 | if (!device_) { | |
931 | signalbases_.clear(); | |
932 | logic_data_.reset(); | |
933 | for (shared_ptr<views::ViewBase>& view : views_) { | |
934 | view->clear_signals(); | |
935 | #ifdef ENABLE_DECODE | |
936 | view->clear_decode_signals(); | |
937 | #endif | |
938 | } | |
939 | return; | |
940 | } | |
941 | ||
942 | lock_guard<recursive_mutex> lock(data_mutex_); | |
943 | ||
944 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
945 | if (!sr_dev) { | |
946 | signalbases_.clear(); | |
947 | logic_data_.reset(); | |
948 | for (shared_ptr<views::ViewBase>& view : views_) { | |
949 | view->clear_signals(); | |
950 | #ifdef ENABLE_DECODE | |
951 | view->clear_decode_signals(); | |
952 | #endif | |
953 | } | |
954 | return; | |
955 | } | |
956 | ||
957 | // Detect what data types we will receive | |
958 | auto channels = sr_dev->channels(); | |
959 | unsigned int logic_channel_count = count_if( | |
960 | channels.begin(), channels.end(), | |
961 | [] (shared_ptr<Channel> channel) { | |
962 | return channel->type() == sigrok::ChannelType::LOGIC; }); | |
963 | ||
964 | // Create data containers for the logic data segments | |
965 | { | |
966 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
967 | ||
968 | if (logic_channel_count == 0) { | |
969 | logic_data_.reset(); | |
970 | } else if (!logic_data_ || | |
971 | logic_data_->num_channels() != logic_channel_count) { | |
972 | logic_data_.reset(new data::Logic( | |
973 | logic_channel_count)); | |
974 | assert(logic_data_); | |
975 | } | |
976 | } | |
977 | ||
978 | // Make the signals list | |
979 | for (shared_ptr<views::ViewBase>& viewbase : views_) { | |
980 | views::trace::View *trace_view = | |
981 | qobject_cast<views::trace::View*>(viewbase.get()); | |
982 | ||
983 | if (trace_view) { | |
984 | unordered_set< shared_ptr<Signal> > prev_sigs(trace_view->signals()); | |
985 | trace_view->clear_signals(); | |
986 | ||
987 | for (auto channel : sr_dev->channels()) { | |
988 | shared_ptr<data::SignalBase> signalbase; | |
989 | shared_ptr<Signal> signal; | |
990 | ||
991 | // Find the channel in the old signals | |
992 | const auto iter = find_if( | |
993 | prev_sigs.cbegin(), prev_sigs.cend(), | |
994 | [&](const shared_ptr<Signal> &s) { | |
995 | return s->base()->channel() == channel; | |
996 | }); | |
997 | if (iter != prev_sigs.end()) { | |
998 | // Copy the signal from the old set to the new | |
999 | signal = *iter; | |
1000 | trace_view->add_signal(signal); | |
1001 | } else { | |
1002 | // Find the signalbase for this channel if possible | |
1003 | signalbase.reset(); | |
1004 | for (const shared_ptr<data::SignalBase>& b : signalbases_) | |
1005 | if (b->channel() == channel) | |
1006 | signalbase = b; | |
1007 | ||
1008 | shared_ptr<Signal> signal; | |
1009 | ||
1010 | switch(channel->type()->id()) { | |
1011 | case SR_CHANNEL_LOGIC: | |
1012 | if (!signalbase) { | |
1013 | signalbase = make_shared<data::SignalBase>(channel, | |
1014 | data::SignalBase::LogicChannel); | |
1015 | signalbases_.push_back(signalbase); | |
1016 | ||
1017 | all_signal_data_.insert(logic_data_); | |
1018 | signalbase->set_data(logic_data_); | |
1019 | ||
1020 | connect(this, SIGNAL(capture_state_changed(int)), | |
1021 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1022 | } | |
1023 | ||
1024 | signal = shared_ptr<Signal>(new LogicSignal(*this, device_, signalbase)); | |
1025 | break; | |
1026 | ||
1027 | case SR_CHANNEL_ANALOG: | |
1028 | { | |
1029 | if (!signalbase) { | |
1030 | signalbase = make_shared<data::SignalBase>(channel, | |
1031 | data::SignalBase::AnalogChannel); | |
1032 | signalbases_.push_back(signalbase); | |
1033 | ||
1034 | shared_ptr<data::Analog> data(new data::Analog()); | |
1035 | all_signal_data_.insert(data); | |
1036 | signalbase->set_data(data); | |
1037 | ||
1038 | connect(this, SIGNAL(capture_state_changed(int)), | |
1039 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
1040 | } | |
1041 | ||
1042 | signal = shared_ptr<Signal>(new AnalogSignal(*this, signalbase)); | |
1043 | break; | |
1044 | } | |
1045 | ||
1046 | default: | |
1047 | assert(false); | |
1048 | break; | |
1049 | } | |
1050 | ||
1051 | // New views take their signal settings from the main view | |
1052 | if (!viewbase->is_main_view()) { | |
1053 | shared_ptr<pv::views::trace::View> main_tv = | |
1054 | dynamic_pointer_cast<pv::views::trace::View>(main_view_); | |
1055 | shared_ptr<Signal> main_signal = | |
1056 | main_tv->get_signal_by_signalbase(signalbase); | |
1057 | signal->restore_settings(main_signal->save_settings()); | |
1058 | } | |
1059 | ||
1060 | trace_view->add_signal(signal); | |
1061 | } | |
1062 | } | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | signals_changed(); | |
1067 | } | |
1068 | ||
1069 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
1070 | shared_ptr<sigrok::Channel> channel) const | |
1071 | { | |
1072 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
1073 | assert(sig); | |
1074 | if (sig->channel() == channel) | |
1075 | return sig; | |
1076 | } | |
1077 | return shared_ptr<data::SignalBase>(); | |
1078 | } | |
1079 | ||
1080 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
1081 | { | |
1082 | assert(error_handler); | |
1083 | ||
1084 | #ifdef ENABLE_FLOW | |
1085 | pipeline_ = Pipeline::create(); | |
1086 | ||
1087 | source_ = ElementFactory::create_element("filesrc", "source"); | |
1088 | sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink")); | |
1089 | ||
1090 | pipeline_->add(source_)->add(sink_); | |
1091 | source_->link(sink_); | |
1092 | ||
1093 | source_->set_property("location", Glib::ustring("/tmp/dummy_binary")); | |
1094 | ||
1095 | sink_->set_property("emit-signals", TRUE); | |
1096 | sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample)); | |
1097 | ||
1098 | // Get the bus from the pipeline and add a bus watch to the default main context | |
1099 | RefPtr<Bus> bus = pipeline_->get_bus(); | |
1100 | bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message)); | |
1101 | ||
1102 | // Start pipeline and Wait until it finished processing | |
1103 | pipeline_done_interrupt_ = false; | |
1104 | pipeline_->set_state(Gst::STATE_PLAYING); | |
1105 | ||
1106 | unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_); | |
1107 | pipeline_done_cond_.wait(pipeline_done_lock_); | |
1108 | ||
1109 | // Let the pipeline free all resources | |
1110 | pipeline_->set_state(Gst::STATE_NULL); | |
1111 | ||
1112 | #else | |
1113 | if (!device_) | |
1114 | return; | |
1115 | ||
1116 | try { | |
1117 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1118 | } catch (Error& e) { | |
1119 | cur_samplerate_ = 0; | |
1120 | } | |
1121 | ||
1122 | out_of_memory_ = false; | |
1123 | ||
1124 | { | |
1125 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1126 | cur_logic_segment_.reset(); | |
1127 | cur_analog_segments_.clear(); | |
1128 | } | |
1129 | highest_segment_id_ = -1; | |
1130 | frame_began_ = false; | |
1131 | ||
1132 | try { | |
1133 | device_->start(); | |
1134 | } catch (Error& e) { | |
1135 | error_handler(e.what()); | |
1136 | return; | |
1137 | } | |
1138 | ||
1139 | set_capture_state(device_->session()->trigger() ? | |
1140 | AwaitingTrigger : Running); | |
1141 | ||
1142 | try { | |
1143 | device_->run(); | |
1144 | } catch (Error& e) { | |
1145 | error_handler(e.what()); | |
1146 | set_capture_state(Stopped); | |
1147 | return; | |
1148 | } catch (QString& e) { | |
1149 | error_handler(e); | |
1150 | set_capture_state(Stopped); | |
1151 | return; | |
1152 | } | |
1153 | ||
1154 | set_capture_state(Stopped); | |
1155 | ||
1156 | // Confirm that SR_DF_END was received | |
1157 | if (cur_logic_segment_) | |
1158 | qDebug() << "WARNING: SR_DF_END was not received."; | |
1159 | #endif | |
1160 | ||
1161 | // Optimize memory usage | |
1162 | free_unused_memory(); | |
1163 | ||
1164 | // We now have unsaved data unless we just "captured" from a file | |
1165 | shared_ptr<devices::File> file_device = | |
1166 | dynamic_pointer_cast<devices::File>(device_); | |
1167 | ||
1168 | if (!file_device) | |
1169 | data_saved_ = false; | |
1170 | ||
1171 | if (out_of_memory_) | |
1172 | error_handler(tr("Out of memory, acquisition stopped.")); | |
1173 | } | |
1174 | ||
1175 | void Session::free_unused_memory() | |
1176 | { | |
1177 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) { | |
1178 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
1179 | ||
1180 | for (const shared_ptr<data::Segment>& segment : segments) | |
1181 | segment->free_unused_memory(); | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | void Session::signal_new_segment() | |
1186 | { | |
1187 | int new_segment_id = 0; | |
1188 | ||
1189 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
1190 | ||
1191 | // Determine new frame/segment number, assuming that all | |
1192 | // signals have the same number of frames/segments | |
1193 | if (cur_logic_segment_) { | |
1194 | new_segment_id = logic_data_->get_segment_count() - 1; | |
1195 | } else { | |
1196 | shared_ptr<sigrok::Channel> any_channel = | |
1197 | (*cur_analog_segments_.begin()).first; | |
1198 | ||
1199 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1200 | assert(base); | |
1201 | ||
1202 | shared_ptr<data::Analog> data(base->analog_data()); | |
1203 | assert(data); | |
1204 | ||
1205 | new_segment_id = data->get_segment_count() - 1; | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | if (new_segment_id > highest_segment_id_) { | |
1210 | highest_segment_id_ = new_segment_id; | |
1211 | new_segment(highest_segment_id_); | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | void Session::signal_segment_completed() | |
1216 | { | |
1217 | int segment_id = 0; | |
1218 | ||
1219 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
1220 | // We only care about analog and logic channels, not derived ones | |
1221 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1222 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1223 | break; | |
1224 | } | |
1225 | ||
1226 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1227 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1228 | break; | |
1229 | } | |
1230 | } | |
1231 | ||
1232 | if (segment_id >= 0) | |
1233 | segment_completed(segment_id); | |
1234 | } | |
1235 | ||
1236 | #ifdef ENABLE_FLOW | |
1237 | bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message) | |
1238 | { | |
1239 | (void)bus; | |
1240 | ||
1241 | if ((message->get_source() == pipeline_) && \ | |
1242 | ((message->get_message_type() == Gst::MESSAGE_EOS))) | |
1243 | pipeline_done_cond_.notify_one(); | |
1244 | ||
1245 | // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications | |
1246 | ||
1247 | return true; | |
1248 | } | |
1249 | ||
1250 | Gst::FlowReturn Session::on_gst_new_sample() | |
1251 | { | |
1252 | RefPtr<Gst::Sample> sample = sink_->pull_sample(); | |
1253 | RefPtr<Gst::Buffer> buf = sample->get_buffer(); | |
1254 | ||
1255 | for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) { | |
1256 | RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id); | |
1257 | Gst::MapInfo mapinfo; | |
1258 | buf_mem->map(mapinfo, Gst::MAP_READ); | |
1259 | ||
1260 | shared_ptr<sigrok::Packet> logic_packet = | |
1261 | sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1); | |
1262 | ||
1263 | try { | |
1264 | feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload())); | |
1265 | } catch (bad_alloc&) { | |
1266 | out_of_memory_ = true; | |
1267 | device_->stop(); | |
1268 | buf_mem->unmap(mapinfo); | |
1269 | return Gst::FLOW_ERROR; | |
1270 | } | |
1271 | ||
1272 | buf_mem->unmap(mapinfo); | |
1273 | } | |
1274 | ||
1275 | return Gst::FLOW_OK; | |
1276 | } | |
1277 | #endif | |
1278 | ||
1279 | void Session::feed_in_header() | |
1280 | { | |
1281 | // Nothing to do here for now | |
1282 | } | |
1283 | ||
1284 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
1285 | { | |
1286 | for (auto& entry : meta->config()) { | |
1287 | switch (entry.first->id()) { | |
1288 | case SR_CONF_SAMPLERATE: | |
1289 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1290 | break; | |
1291 | default: | |
1292 | qDebug() << "Received meta data key" << entry.first->id() << ", ignoring."; | |
1293 | break; | |
1294 | } | |
1295 | } | |
1296 | ||
1297 | signals_changed(); | |
1298 | } | |
1299 | ||
1300 | void Session::feed_in_trigger() | |
1301 | { | |
1302 | // The channel containing most samples should be most accurate | |
1303 | uint64_t sample_count = 0; | |
1304 | ||
1305 | { | |
1306 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
1307 | assert(d); | |
1308 | uint64_t temp_count = 0; | |
1309 | ||
1310 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1311 | d->segments(); | |
1312 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1313 | temp_count += s->get_sample_count(); | |
1314 | ||
1315 | if (temp_count > sample_count) | |
1316 | sample_count = temp_count; | |
1317 | } | |
1318 | } | |
1319 | ||
1320 | uint32_t segment_id = 0; // Default segment when no frames are used | |
1321 | ||
1322 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1323 | // the trigger. However, as new segments are only created when logic or | |
1324 | // analog data comes in, this doesn't work if the trigger appears right | |
1325 | // after the beginning of the frame, before any sample data. | |
1326 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1327 | // yet and the highest segment ID otherwise. | |
1328 | if (frame_began_) { | |
1329 | segment_id = highest_segment_id_; | |
1330 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1331 | segment_id++; | |
1332 | } | |
1333 | ||
1334 | // TODO Create timestamp from segment start time + segment's current sample count | |
1335 | util::Timestamp timestamp = sample_count / get_samplerate(); | |
1336 | trigger_list_.emplace_back(segment_id, timestamp); | |
1337 | trigger_event(segment_id, timestamp); | |
1338 | } | |
1339 | ||
1340 | void Session::feed_in_frame_begin() | |
1341 | { | |
1342 | frame_began_ = true; | |
1343 | } | |
1344 | ||
1345 | void Session::feed_in_frame_end() | |
1346 | { | |
1347 | if (!frame_began_) | |
1348 | return; | |
1349 | ||
1350 | { | |
1351 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1352 | ||
1353 | if (cur_logic_segment_) | |
1354 | cur_logic_segment_->set_complete(); | |
1355 | ||
1356 | for (auto& entry : cur_analog_segments_) { | |
1357 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1358 | segment->set_complete(); | |
1359 | } | |
1360 | ||
1361 | cur_logic_segment_.reset(); | |
1362 | cur_analog_segments_.clear(); | |
1363 | } | |
1364 | ||
1365 | frame_began_ = false; | |
1366 | ||
1367 | signal_segment_completed(); | |
1368 | } | |
1369 | ||
1370 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
1371 | { | |
1372 | if (logic->data_length() == 0) { | |
1373 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1374 | return; | |
1375 | } | |
1376 | ||
1377 | if (logic->unit_size() > 8) | |
1378 | throw QString(tr("Can't handle more than 64 logic channels.")); | |
1379 | ||
1380 | if (!cur_samplerate_) | |
1381 | try { | |
1382 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1383 | } catch (Error& e) { | |
1384 | // Do nothing | |
1385 | } | |
1386 | ||
1387 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1388 | ||
1389 | if (!logic_data_) { | |
1390 | // The only reason logic_data_ would not have been created is | |
1391 | // if it was not possible to determine the signals when the | |
1392 | // device was created. | |
1393 | update_signals(); | |
1394 | } | |
1395 | ||
1396 | if (!cur_logic_segment_) { | |
1397 | // This could be the first packet after a trigger | |
1398 | set_capture_state(Running); | |
1399 | ||
1400 | // Create a new data segment | |
1401 | cur_logic_segment_ = make_shared<data::LogicSegment>( | |
1402 | *logic_data_, logic_data_->get_segment_count(), | |
1403 | logic->unit_size(), cur_samplerate_); | |
1404 | logic_data_->push_segment(cur_logic_segment_); | |
1405 | ||
1406 | signal_new_segment(); | |
1407 | } | |
1408 | ||
1409 | cur_logic_segment_->append_payload(logic); | |
1410 | ||
1411 | data_received(); | |
1412 | } | |
1413 | ||
1414 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
1415 | { | |
1416 | if (analog->num_samples() == 0) { | |
1417 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1418 | return; | |
1419 | } | |
1420 | ||
1421 | if (!cur_samplerate_) | |
1422 | try { | |
1423 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1424 | } catch (Error& e) { | |
1425 | // Do nothing | |
1426 | } | |
1427 | ||
1428 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1429 | ||
1430 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
1431 | bool sweep_beginning = false; | |
1432 | ||
1433 | unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]); | |
1434 | analog->get_data_as_float(data.get()); | |
1435 | ||
1436 | if (signalbases_.empty()) | |
1437 | update_signals(); | |
1438 | ||
1439 | float *channel_data = data.get(); | |
1440 | for (auto& channel : channels) { | |
1441 | shared_ptr<data::AnalogSegment> segment; | |
1442 | ||
1443 | // Try to get the segment of the channel | |
1444 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1445 | iterator iter = cur_analog_segments_.find(channel); | |
1446 | if (iter != cur_analog_segments_.end()) | |
1447 | segment = (*iter).second; | |
1448 | else { | |
1449 | // If no segment was found, this means we haven't | |
1450 | // created one yet. i.e. this is the first packet | |
1451 | // in the sweep containing this segment. | |
1452 | sweep_beginning = true; | |
1453 | ||
1454 | // Find the analog data associated with the channel | |
1455 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
1456 | assert(base); | |
1457 | ||
1458 | shared_ptr<data::Analog> data(base->analog_data()); | |
1459 | assert(data); | |
1460 | ||
1461 | // Create a segment, keep it in the maps of channels | |
1462 | segment = make_shared<data::AnalogSegment>( | |
1463 | *data, data->get_segment_count(), cur_samplerate_); | |
1464 | cur_analog_segments_[channel] = segment; | |
1465 | ||
1466 | // Push the segment into the analog data. | |
1467 | data->push_segment(segment); | |
1468 | ||
1469 | signal_new_segment(); | |
1470 | } | |
1471 | ||
1472 | assert(segment); | |
1473 | ||
1474 | // Append the samples in the segment | |
1475 | segment->append_interleaved_samples(channel_data++, analog->num_samples(), | |
1476 | channels.size()); | |
1477 | } | |
1478 | ||
1479 | if (sweep_beginning) { | |
1480 | // This could be the first packet after a trigger | |
1481 | set_capture_state(Running); | |
1482 | } | |
1483 | ||
1484 | data_received(); | |
1485 | } | |
1486 | ||
1487 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
1488 | shared_ptr<Packet> packet) | |
1489 | { | |
1490 | (void)device; | |
1491 | ||
1492 | assert(device); | |
1493 | assert(device == device_->device()); | |
1494 | assert(packet); | |
1495 | ||
1496 | switch (packet->type()->id()) { | |
1497 | case SR_DF_HEADER: | |
1498 | feed_in_header(); | |
1499 | break; | |
1500 | ||
1501 | case SR_DF_META: | |
1502 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
1503 | break; | |
1504 | ||
1505 | case SR_DF_TRIGGER: | |
1506 | feed_in_trigger(); | |
1507 | break; | |
1508 | ||
1509 | case SR_DF_LOGIC: | |
1510 | try { | |
1511 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
1512 | } catch (bad_alloc&) { | |
1513 | out_of_memory_ = true; | |
1514 | device_->stop(); | |
1515 | } | |
1516 | break; | |
1517 | ||
1518 | case SR_DF_ANALOG: | |
1519 | try { | |
1520 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
1521 | } catch (bad_alloc&) { | |
1522 | out_of_memory_ = true; | |
1523 | device_->stop(); | |
1524 | } | |
1525 | break; | |
1526 | ||
1527 | case SR_DF_FRAME_BEGIN: | |
1528 | feed_in_frame_begin(); | |
1529 | break; | |
1530 | ||
1531 | case SR_DF_FRAME_END: | |
1532 | feed_in_frame_end(); | |
1533 | break; | |
1534 | ||
1535 | case SR_DF_END: | |
1536 | // Strictly speaking, this is performed when a frame end marker was | |
1537 | // received, so there's no point doing this again. However, not all | |
1538 | // devices use frames, and for those devices, we need to do it here. | |
1539 | { | |
1540 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1541 | ||
1542 | if (cur_logic_segment_) | |
1543 | cur_logic_segment_->set_complete(); | |
1544 | ||
1545 | for (auto& entry : cur_analog_segments_) { | |
1546 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1547 | segment->set_complete(); | |
1548 | } | |
1549 | ||
1550 | cur_logic_segment_.reset(); | |
1551 | cur_analog_segments_.clear(); | |
1552 | } | |
1553 | break; | |
1554 | ||
1555 | default: | |
1556 | break; | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | void Session::on_data_saved() | |
1561 | { | |
1562 | data_saved_ = true; | |
1563 | } | |
1564 | ||
1565 | #ifdef ENABLE_DECODE | |
1566 | void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders) | |
1567 | { | |
1568 | assert(decoders.size() > 0); | |
1569 | ||
1570 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
1571 | ||
1572 | if (signal) | |
1573 | for (unsigned int i = 0; i < decoders.size(); i++) { | |
1574 | const srd_decoder* d = decoders[i]; | |
1575 | signal->stack_decoder(d, !(i < decoders.size() - 1)); | |
1576 | } | |
1577 | } | |
1578 | #endif | |
1579 | ||
1580 | } // namespace pv |