2 * This file is part of the PulseView project.
4 * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
30 #include "devicemanager.hpp"
31 #include "mainwindow.hpp"
32 #include "session.hpp"
34 #include "data/analog.hpp"
35 #include "data/analogsegment.hpp"
36 #include "data/decode/decoder.hpp"
37 #include "data/logic.hpp"
38 #include "data/logicsegment.hpp"
39 #include "data/signalbase.hpp"
41 #include "devices/hardwaredevice.hpp"
42 #include "devices/inputfile.hpp"
43 #include "devices/sessionfile.hpp"
45 #include "toolbars/mainbar.hpp"
47 #include "views/trace/analogsignal.hpp"
48 #include "views/trace/decodetrace.hpp"
49 #include "views/trace/logicsignal.hpp"
50 #include "views/trace/signal.hpp"
51 #include "views/trace/view.hpp"
53 #include <libsigrokcxx/libsigrokcxx.hpp>
56 #include <gstreamermm.h>
57 #include <libsigrokflow/libsigrokflow.hpp>
61 #include <libsigrokdecode/libsigrokdecode.h>
62 #include "data/decodesignal.hpp"
66 using std::dynamic_pointer_cast;
69 using std::lock_guard;
72 using std::make_shared;
78 using std::recursive_mutex;
79 using std::runtime_error;
80 using std::shared_ptr;
83 using std::unique_lock;
85 using std::unique_ptr;
86 using std::unordered_set;
90 using sigrok::Channel;
91 using sigrok::ConfigKey;
92 using sigrok::DatafeedCallbackFunction;
94 using sigrok::InputFormat;
98 using sigrok::Session;
100 using Glib::VariantBase;
104 using Gst::ElementFactory;
110 shared_ptr<sigrok::Context> Session::sr_context;
112 Session::Session(DeviceManager &device_manager, QString name) :
113 device_manager_(device_manager),
116 capture_state_(Stopped),
124 // Stop and join to the thread
128 DeviceManager& Session::device_manager()
130 return device_manager_;
133 const DeviceManager& Session::device_manager() const
135 return device_manager_;
138 shared_ptr<sigrok::Session> Session::session() const
141 return shared_ptr<sigrok::Session>();
142 return device_->session();
145 shared_ptr<devices::Device> Session::device() const
150 QString Session::name() const
155 void Session::set_name(QString name)
157 if (default_name_.isEmpty())
158 default_name_ = name;
165 const list< shared_ptr<views::ViewBase> > Session::views() const
170 shared_ptr<views::ViewBase> Session::main_view() const
175 void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar)
177 main_bar_ = main_bar;
180 shared_ptr<pv::toolbars::MainBar> Session::main_bar() const
185 bool Session::data_saved() const
190 void Session::save_setup(QSettings &settings) const
192 int decode_signals = 0, views = 0;
194 // Save channels and decoders
195 for (const shared_ptr<data::SignalBase>& base : signalbases_) {
197 if (base->is_decode_signal()) {
198 settings.beginGroup("decode_signal" + QString::number(decode_signals++));
199 base->save_settings(settings);
204 settings.beginGroup(base->internal_name());
205 base->save_settings(settings);
210 settings.setValue("decode_signals", decode_signals);
212 // Save view states and their signal settings
213 // Note: main_view must be saved as view0
214 settings.beginGroup("view" + QString::number(views++));
215 main_view_->save_settings(settings);
218 for (const shared_ptr<views::ViewBase>& view : views_) {
219 if (view != main_view_) {
220 settings.beginGroup("view" + QString::number(views++));
221 settings.setValue("type", view->get_type());
222 view->save_settings(settings);
227 settings.setValue("views", views);
230 void Session::save_settings(QSettings &settings) const
232 map<string, string> dev_info;
233 list<string> key_list;
236 shared_ptr<devices::HardwareDevice> hw_device =
237 dynamic_pointer_cast< devices::HardwareDevice >(device_);
240 settings.setValue("device_type", "hardware");
241 settings.beginGroup("device");
243 key_list.emplace_back("vendor");
244 key_list.emplace_back("model");
245 key_list.emplace_back("version");
246 key_list.emplace_back("serial_num");
247 key_list.emplace_back("connection_id");
249 dev_info = device_manager_.get_device_info(device_);
251 for (string& key : key_list) {
252 if (dev_info.count(key))
253 settings.setValue(QString::fromUtf8(key.c_str()),
254 QString::fromUtf8(dev_info.at(key).c_str()));
256 settings.remove(QString::fromUtf8(key.c_str()));
262 shared_ptr<devices::SessionFile> sessionfile_device =
263 dynamic_pointer_cast<devices::SessionFile>(device_);
265 if (sessionfile_device) {
266 settings.setValue("device_type", "sessionfile");
267 settings.beginGroup("device");
268 settings.setValue("filename", QString::fromStdString(
269 sessionfile_device->full_name()));
273 shared_ptr<devices::InputFile> inputfile_device =
274 dynamic_pointer_cast<devices::InputFile>(device_);
276 if (inputfile_device) {
277 settings.setValue("device_type", "inputfile");
278 settings.beginGroup("device");
279 inputfile_device->save_meta_to_settings(settings);
283 save_setup(settings);
287 void Session::restore_setup(QSettings &settings)
290 for (shared_ptr<data::SignalBase> base : signalbases_) {
291 settings.beginGroup(base->internal_name());
292 base->restore_settings(settings);
298 int decode_signals = settings.value("decode_signals").toInt();
300 for (int i = 0; i < decode_signals; i++) {
301 settings.beginGroup("decode_signal" + QString::number(i));
302 shared_ptr<data::DecodeSignal> signal = add_decode_signal();
303 signal->restore_settings(settings);
309 int views = settings.value("views").toInt();
311 for (int i = 0; i < views; i++) {
312 settings.beginGroup("view" + QString::number(i));
315 views::ViewType type = (views::ViewType)settings.value("type").toInt();
316 add_view(type, this);
317 views_.back()->restore_settings(settings);
319 main_view_->restore_settings(settings);
325 void Session::restore_settings(QSettings &settings)
327 shared_ptr<devices::Device> device;
329 QString device_type = settings.value("device_type").toString();
331 if (device_type == "hardware") {
332 map<string, string> dev_info;
333 list<string> key_list;
335 // Re-select last used device if possible but only if it's not demo
336 settings.beginGroup("device");
337 key_list.emplace_back("vendor");
338 key_list.emplace_back("model");
339 key_list.emplace_back("version");
340 key_list.emplace_back("serial_num");
341 key_list.emplace_back("connection_id");
343 for (string key : key_list) {
344 const QString k = QString::fromStdString(key);
345 if (!settings.contains(k))
348 const string value = settings.value(k).toString().toStdString();
350 dev_info.insert(make_pair(key, value));
353 if (dev_info.count("model") > 0)
354 device = device_manager_.find_device_from_info(dev_info);
362 if ((device_type == "sessionfile") || (device_type == "inputfile")) {
363 if (device_type == "sessionfile") {
364 settings.beginGroup("device");
365 QString filename = settings.value("filename").toString();
368 if (QFileInfo(filename).isReadable()) {
369 device = make_shared<devices::SessionFile>(device_manager_.context(),
370 filename.toStdString());
374 if (device_type == "inputfile") {
375 settings.beginGroup("device");
376 device = make_shared<devices::InputFile>(device_manager_.context(),
384 start_capture([](QString infoMessage) {
385 // TODO Emulate noquote()
386 qDebug() << "Session error:" << infoMessage; });
388 set_name(QString::fromStdString(
389 dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_)));
394 restore_setup(settings);
397 void Session::select_device(shared_ptr<devices::Device> device)
403 set_default_device();
404 } catch (const QString &e) {
405 MainWindow::show_session_error(tr("Failed to select device"), e);
409 void Session::set_device(shared_ptr<devices::Device> device)
413 // Ensure we are not capturing before setting the device
421 // Revert name back to default name (e.g. "Session 1") as the data is gone
422 name_ = default_name_;
425 // Remove all stored data and reset all views
426 for (shared_ptr<views::ViewBase> view : views_) {
427 view->clear_signals();
429 view->clear_decode_signals();
431 view->reset_view_state();
433 for (const shared_ptr<data::SignalData>& d : all_signal_data_)
435 all_signal_data_.clear();
436 signalbases_.clear();
437 cur_logic_segment_.reset();
439 for (auto& entry : cur_analog_segments_) {
440 shared_ptr<sigrok::Channel>(entry.first).reset();
441 shared_ptr<data::AnalogSegment>(entry.second).reset();
448 device_ = move(device);
452 } catch (const QString &e) {
454 MainWindow::show_session_error(tr("Failed to open device"), e);
458 device_->session()->add_datafeed_callback([=]
459 (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
460 data_feed_in(device, packet);
469 void Session::set_default_device()
471 const list< shared_ptr<devices::HardwareDevice> > &devices =
472 device_manager_.devices();
477 // Try and find the demo device and select that by default
478 const auto iter = find_if(devices.begin(), devices.end(),
479 [] (const shared_ptr<devices::HardwareDevice> &d) {
480 return d->hardware_device()->driver()->name() == "demo"; });
481 set_device((iter == devices.end()) ? devices.front() : *iter);
485 * Convert generic options to data types that are specific to InputFormat.
487 * @param[in] user_spec Vector of tokenized words, string format.
488 * @param[in] fmt_opts Input format's options, result of InputFormat::options().
490 * @return Map of options suitable for InputFormat::create_input().
492 map<string, Glib::VariantBase>
493 Session::input_format_options(vector<string> user_spec,
494 map<string, shared_ptr<Option>> fmt_opts)
496 map<string, Glib::VariantBase> result;
498 for (auto& entry : user_spec) {
500 * Split key=value specs. Accept entries without separator
501 * (for simplified boolean specifications).
504 size_t pos = entry.find("=");
505 if (pos == std::string::npos) {
509 key = entry.substr(0, pos);
510 val = entry.substr(pos + 1);
514 * Skip user specifications that are not a member of the
515 * format's set of supported options. Have the text input
516 * spec converted to the required input format specific
519 auto found = fmt_opts.find(key);
520 if (found == fmt_opts.end())
522 shared_ptr<Option> opt = found->second;
523 result[key] = opt->parse_string(val);
529 void Session::load_init_file(const string &file_name,
530 const string &format, const string &setup_file_name)
532 shared_ptr<InputFormat> input_format;
533 map<string, Glib::VariantBase> input_opts;
535 if (!format.empty()) {
536 const map<string, shared_ptr<InputFormat> > formats =
537 device_manager_.context()->input_formats();
538 auto user_opts = pv::util::split_string(format, ":");
539 string user_name = user_opts.front();
540 user_opts.erase(user_opts.begin());
541 const auto iter = find_if(formats.begin(), formats.end(),
542 [&](const pair<string, shared_ptr<InputFormat> > f) {
543 return f.first == user_name; });
544 if (iter == formats.end()) {
545 MainWindow::show_session_error(tr("Error"),
546 tr("Unexpected input format: %s").arg(QString::fromStdString(format)));
549 input_format = (*iter).second;
550 input_opts = input_format_options(user_opts,
551 input_format->options());
554 load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name),
555 input_format, input_opts);
558 void Session::load_file(QString file_name, QString setup_file_name,
559 shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options)
561 const QString errorMessage(
562 QString("Failed to load file %1").arg(file_name));
564 // In the absence of a caller's format spec, try to auto detect.
565 // Assume "sigrok session file" upon lookup miss.
567 format = device_manager_.context()->input_format_match(file_name.toStdString());
570 set_device(shared_ptr<devices::Device>(
571 new devices::InputFile(
572 device_manager_.context(),
573 file_name.toStdString(),
576 set_device(shared_ptr<devices::Device>(
577 new devices::SessionFile(
578 device_manager_.context(),
579 file_name.toStdString())));
581 MainWindow::show_session_error(tr("Failed to load ") + file_name, e.what());
582 set_default_device();
583 main_bar_->update_device_list();
587 // Use the input file with .pvs extension if no setup file was given
588 if (setup_file_name.isEmpty()) {
589 setup_file_name = file_name;
590 setup_file_name.truncate(setup_file_name.lastIndexOf('.'));
591 setup_file_name.append(".pvs");
594 if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) {
595 QSettings settings_storage(setup_file_name, QSettings::IniFormat);
596 restore_setup(settings_storage);
599 main_bar_->update_device_list();
601 start_capture([&, errorMessage](QString infoMessage) {
602 MainWindow::show_session_error(errorMessage, infoMessage); });
604 set_name(QFileInfo(file_name).fileName());
607 Session::capture_state Session::get_capture_state() const
609 lock_guard<mutex> lock(sampling_mutex_);
610 return capture_state_;
613 void Session::start_capture(function<void (const QString)> error_handler)
616 error_handler(tr("No active device set, can't start acquisition."));
622 // Check that at least one channel is enabled
623 const shared_ptr<sigrok::Device> sr_dev = device_->device();
625 const auto channels = sr_dev->channels();
626 if (!any_of(channels.begin(), channels.end(),
627 [](shared_ptr<Channel> channel) {
628 return channel->enabled(); })) {
629 error_handler(tr("No channels enabled."));
635 for (const shared_ptr<data::SignalData>& d : all_signal_data_)
638 trigger_list_.clear();
640 // Revert name back to default name (e.g. "Session 1") for real devices
641 // as the (possibly saved) data is gone. File devices keep their name.
642 shared_ptr<devices::HardwareDevice> hw_device =
643 dynamic_pointer_cast< devices::HardwareDevice >(device_);
646 name_ = default_name_;
651 sampling_thread_ = std::thread(
652 &Session::sample_thread_proc, this, error_handler);
655 void Session::stop_capture()
657 if (get_capture_state() != Stopped)
660 // Check that sampling stopped
661 if (sampling_thread_.joinable())
662 sampling_thread_.join();
665 void Session::register_view(shared_ptr<views::ViewBase> view)
670 views_.push_back(view);
672 // Add all device signals
675 // Add all other signals
676 unordered_set< shared_ptr<data::SignalBase> > view_signalbases = view->signalbases();
678 for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
679 const int sb_exists = count_if(
680 view_signalbases.cbegin(), view_signalbases.cend(),
681 [&](const shared_ptr<data::SignalBase> &sb) {
682 return sb == signalbase;
685 // Add the signal to the view if it doesn't have it yet
687 switch (signalbase->type()) {
688 case data::SignalBase::AnalogChannel:
689 case data::SignalBase::LogicChannel:
690 case data::SignalBase::MathChannel:
691 view->add_signalbase(signalbase);
693 case data::SignalBase::DecodeChannel:
695 view->add_decode_signal(dynamic_pointer_cast<data::DecodeSignal>(signalbase));
704 void Session::deregister_view(shared_ptr<views::ViewBase> view)
706 views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; });
708 if (views_.empty()) {
711 // Without a view there can be no main bar
716 bool Session::has_view(shared_ptr<views::ViewBase> view)
718 for (shared_ptr<views::ViewBase>& v : views_)
725 double Session::get_samplerate() const
727 double samplerate = 0.0;
729 for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) {
731 const vector< shared_ptr<pv::data::Segment> > segments =
733 for (const shared_ptr<pv::data::Segment>& s : segments)
734 samplerate = max(samplerate, s->samplerate());
736 // If there is no sample rate given we use samples as unit
737 if (samplerate == 0.0)
743 uint32_t Session::get_segment_count() const
747 // Find the highest number of segments
748 for (const shared_ptr<data::SignalData>& data : all_signal_data_)
749 if (data->get_segment_count() > value)
750 value = data->get_segment_count();
755 vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const
757 vector<util::Timestamp> result;
759 for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_)
760 if (entry.first == segment_id)
761 result.push_back(entry.second);
766 const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const
771 bool Session::all_segments_complete(uint32_t segment_id) const
773 bool all_complete = true;
775 for (const shared_ptr<data::SignalBase>& base : signalbases_)
776 if (!base->segment_is_complete(segment_id))
777 all_complete = false;
783 shared_ptr<data::DecodeSignal> Session::add_decode_signal()
785 shared_ptr<data::DecodeSignal> signal;
788 // Create the decode signal
789 signal = make_shared<data::DecodeSignal>(*this);
791 signalbases_.insert(signal);
793 // Add the decode signal to all views
794 for (shared_ptr<views::ViewBase>& view : views_)
795 view->add_decode_signal(signal);
796 } catch (runtime_error& e) {
797 remove_decode_signal(signal);
806 void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
808 signalbases_.erase(signal);
810 for (shared_ptr<views::ViewBase>& view : views_)
811 view->remove_decode_signal(signal);
817 void Session::set_capture_state(capture_state state)
821 if (state == Running)
823 if (state == Stopped)
824 qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.);
827 lock_guard<mutex> lock(sampling_mutex_);
828 changed = capture_state_ != state;
829 capture_state_ = state;
833 capture_state_changed(state);
836 void Session::update_signals()
839 signalbases_.clear();
841 for (shared_ptr<views::ViewBase>& view : views_) {
842 view->clear_signals();
844 view->clear_decode_signals();
850 lock_guard<recursive_mutex> lock(data_mutex_);
852 const shared_ptr<sigrok::Device> sr_dev = device_->device();
854 signalbases_.clear();
856 for (shared_ptr<views::ViewBase>& view : views_) {
857 view->clear_signals();
859 view->clear_decode_signals();
865 // Detect what data types we will receive
866 auto channels = sr_dev->channels();
867 unsigned int logic_channel_count = count_if(
868 channels.begin(), channels.end(),
869 [] (shared_ptr<Channel> channel) {
870 return channel->type() == sigrok::ChannelType::LOGIC; });
872 // Create data containers for the logic data segments
874 lock_guard<recursive_mutex> data_lock(data_mutex_);
876 if (logic_channel_count == 0) {
878 } else if (!logic_data_ ||
879 logic_data_->num_channels() != logic_channel_count) {
880 logic_data_.reset(new data::Logic(
881 logic_channel_count));
886 // Make the signals list
887 for (shared_ptr<views::ViewBase>& viewbase : views_) {
888 views::trace::View *trace_view =
889 qobject_cast<views::trace::View*>(viewbase.get());
892 unordered_set< shared_ptr<views::trace::Signal> >
893 prev_sigs(trace_view->signals());
894 trace_view->clear_signals();
896 for (auto channel : sr_dev->channels()) {
897 shared_ptr<data::SignalBase> signalbase;
898 shared_ptr<views::trace::Signal> signal;
900 // Find the channel in the old signals
901 const auto iter = find_if(
902 prev_sigs.cbegin(), prev_sigs.cend(),
903 [&](const shared_ptr<views::trace::Signal> &s) {
904 return s->base()->channel() == channel;
906 if (iter != prev_sigs.end()) {
907 // Copy the signal from the old set to the new
909 trace_view->add_signal(signal);
911 // Find the signalbase for this channel if possible
913 for (const shared_ptr<data::SignalBase>& b : signalbases_)
914 if (b->channel() == channel)
917 switch(channel->type()->id()) {
918 case SR_CHANNEL_LOGIC:
920 signalbase = make_shared<data::SignalBase>(channel,
921 data::SignalBase::LogicChannel);
922 signalbases_.insert(signalbase);
924 all_signal_data_.insert(logic_data_);
925 signalbase->set_data(logic_data_);
927 connect(this, SIGNAL(capture_state_changed(int)),
928 signalbase.get(), SLOT(on_capture_state_changed(int)));
931 signal = shared_ptr<views::trace::Signal>(
932 new views::trace::LogicSignal(*this,
933 device_, signalbase));
934 trace_view->add_signal(signal);
937 case SR_CHANNEL_ANALOG:
940 signalbase = make_shared<data::SignalBase>(channel,
941 data::SignalBase::AnalogChannel);
942 signalbases_.insert(signalbase);
944 shared_ptr<data::Analog> data(new data::Analog());
945 all_signal_data_.insert(data);
946 signalbase->set_data(data);
948 connect(this, SIGNAL(capture_state_changed(int)),
949 signalbase.get(), SLOT(on_capture_state_changed(int)));
952 signal = shared_ptr<views::trace::Signal>(
953 new views::trace::AnalogSignal(
955 trace_view->add_signal(signal);
971 shared_ptr<data::SignalBase> Session::signalbase_from_channel(
972 shared_ptr<sigrok::Channel> channel) const
974 for (shared_ptr<data::SignalBase> sig : signalbases_) {
976 if (sig->channel() == channel)
979 return shared_ptr<data::SignalBase>();
982 void Session::sample_thread_proc(function<void (const QString)> error_handler)
984 assert(error_handler);
987 pipeline_ = Pipeline::create();
989 source_ = ElementFactory::create_element("filesrc", "source");
990 sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink"));
992 pipeline_->add(source_)->add(sink_);
993 source_->link(sink_);
995 source_->set_property("location", Glib::ustring("/tmp/dummy_binary"));
997 sink_->set_property("emit-signals", TRUE);
998 sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample));
1000 // Get the bus from the pipeline and add a bus watch to the default main context
1001 RefPtr<Bus> bus = pipeline_->get_bus();
1002 bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message));
1004 // Start pipeline and Wait until it finished processing
1005 pipeline_done_interrupt_ = false;
1006 pipeline_->set_state(Gst::STATE_PLAYING);
1008 unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_);
1009 pipeline_done_cond_.wait(pipeline_done_lock_);
1011 // Let the pipeline free all resources
1012 pipeline_->set_state(Gst::STATE_NULL);
1019 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1020 } catch (Error& e) {
1021 cur_samplerate_ = 0;
1024 out_of_memory_ = false;
1027 lock_guard<recursive_mutex> lock(data_mutex_);
1028 cur_logic_segment_.reset();
1029 cur_analog_segments_.clear();
1031 highest_segment_id_ = -1;
1032 frame_began_ = false;
1036 } catch (Error& e) {
1037 error_handler(e.what());
1041 set_capture_state(device_->session()->trigger() ?
1042 AwaitingTrigger : Running);
1046 } catch (Error& e) {
1047 error_handler(e.what());
1048 set_capture_state(Stopped);
1050 } catch (QString& e) {
1052 set_capture_state(Stopped);
1056 set_capture_state(Stopped);
1058 // Confirm that SR_DF_END was received
1059 if (cur_logic_segment_)
1060 qDebug() << "WARNING: SR_DF_END was not received.";
1063 // Optimize memory usage
1064 free_unused_memory();
1066 // We now have unsaved data unless we just "captured" from a file
1067 shared_ptr<devices::File> file_device =
1068 dynamic_pointer_cast<devices::File>(device_);
1071 data_saved_ = false;
1074 error_handler(tr("Out of memory, acquisition stopped."));
1077 void Session::free_unused_memory()
1079 for (const shared_ptr<data::SignalData>& data : all_signal_data_) {
1080 const vector< shared_ptr<data::Segment> > segments = data->segments();
1082 for (const shared_ptr<data::Segment>& segment : segments)
1083 segment->free_unused_memory();
1087 void Session::signal_new_segment()
1089 int new_segment_id = 0;
1091 if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) {
1093 // Determine new frame/segment number, assuming that all
1094 // signals have the same number of frames/segments
1095 if (cur_logic_segment_) {
1096 new_segment_id = logic_data_->get_segment_count() - 1;
1098 shared_ptr<sigrok::Channel> any_channel =
1099 (*cur_analog_segments_.begin()).first;
1101 shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel);
1104 shared_ptr<data::Analog> data(base->analog_data());
1107 new_segment_id = data->get_segment_count() - 1;
1111 if (new_segment_id > highest_segment_id_) {
1112 highest_segment_id_ = new_segment_id;
1113 new_segment(highest_segment_id_);
1117 void Session::signal_segment_completed()
1121 for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
1122 // We only care about analog and logic channels, not derived ones
1123 if (signalbase->type() == data::SignalBase::AnalogChannel) {
1124 segment_id = signalbase->analog_data()->get_segment_count() - 1;
1128 if (signalbase->type() == data::SignalBase::LogicChannel) {
1129 segment_id = signalbase->logic_data()->get_segment_count() - 1;
1134 if (segment_id >= 0)
1135 segment_completed(segment_id);
1139 bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message)
1143 if ((message->get_source() == pipeline_) && \
1144 ((message->get_message_type() == Gst::MESSAGE_EOS)))
1145 pipeline_done_cond_.notify_one();
1147 // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications
1152 Gst::FlowReturn Session::on_gst_new_sample()
1154 RefPtr<Gst::Sample> sample = sink_->pull_sample();
1155 RefPtr<Gst::Buffer> buf = sample->get_buffer();
1157 for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) {
1158 RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id);
1159 Gst::MapInfo mapinfo;
1160 buf_mem->map(mapinfo, Gst::MAP_READ);
1162 shared_ptr<sigrok::Packet> logic_packet =
1163 sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1);
1166 feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload()));
1167 } catch (bad_alloc&) {
1168 out_of_memory_ = true;
1170 buf_mem->unmap(mapinfo);
1171 return Gst::FLOW_ERROR;
1174 buf_mem->unmap(mapinfo);
1177 return Gst::FLOW_OK;
1181 void Session::feed_in_header()
1183 // Nothing to do here for now
1186 void Session::feed_in_meta(shared_ptr<Meta> meta)
1188 for (auto& entry : meta->config()) {
1189 switch (entry.first->id()) {
1190 case SR_CONF_SAMPLERATE:
1191 cur_samplerate_ = g_variant_get_uint64(entry.second.gobj());
1194 qDebug() << "Received meta data key" << entry.first->id() << ", ignoring.";
1202 void Session::feed_in_trigger()
1204 // The channel containing most samples should be most accurate
1205 uint64_t sample_count = 0;
1208 for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) {
1210 uint64_t temp_count = 0;
1212 const vector< shared_ptr<pv::data::Segment> > segments =
1214 for (const shared_ptr<pv::data::Segment> &s : segments)
1215 temp_count += s->get_sample_count();
1217 if (temp_count > sample_count)
1218 sample_count = temp_count;
1222 uint32_t segment_id = 0; // Default segment when no frames are used
1224 // If a frame began, we'd ideally be able to use the highest segment ID for
1225 // the trigger. However, as new segments are only created when logic or
1226 // analog data comes in, this doesn't work if the trigger appears right
1227 // after the beginning of the frame, before any sample data.
1228 // For this reason, we use highest segment ID + 1 if no sample data came in
1229 // yet and the highest segment ID otherwise.
1231 segment_id = highest_segment_id_;
1232 if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0))
1236 // TODO Create timestamp from segment start time + segment's current sample count
1237 util::Timestamp timestamp = sample_count / get_samplerate();
1238 trigger_list_.emplace_back(segment_id, timestamp);
1239 trigger_event(segment_id, timestamp);
1242 void Session::feed_in_frame_begin()
1244 frame_began_ = true;
1247 void Session::feed_in_frame_end()
1253 lock_guard<recursive_mutex> lock(data_mutex_);
1255 if (cur_logic_segment_)
1256 cur_logic_segment_->set_complete();
1258 for (auto& entry : cur_analog_segments_) {
1259 shared_ptr<data::AnalogSegment> segment = entry.second;
1260 segment->set_complete();
1263 cur_logic_segment_.reset();
1264 cur_analog_segments_.clear();
1267 frame_began_ = false;
1269 signal_segment_completed();
1272 void Session::feed_in_logic(shared_ptr<Logic> logic)
1274 if (logic->data_length() == 0) {
1275 qDebug() << "WARNING: Received logic packet with 0 samples.";
1279 if (logic->unit_size() > 8)
1280 throw QString(tr("Can't handle more than 64 logic channels."));
1282 if (!cur_samplerate_)
1284 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1285 } catch (Error& e) {
1289 lock_guard<recursive_mutex> lock(data_mutex_);
1292 // The only reason logic_data_ would not have been created is
1293 // if it was not possible to determine the signals when the
1294 // device was created.
1298 if (!cur_logic_segment_) {
1299 // This could be the first packet after a trigger
1300 set_capture_state(Running);
1302 // Create a new data segment
1303 cur_logic_segment_ = make_shared<data::LogicSegment>(
1304 *logic_data_, logic_data_->get_segment_count(),
1305 logic->unit_size(), cur_samplerate_);
1306 logic_data_->push_segment(cur_logic_segment_);
1308 signal_new_segment();
1311 cur_logic_segment_->append_payload(logic);
1316 void Session::feed_in_analog(shared_ptr<Analog> analog)
1318 if (analog->num_samples() == 0) {
1319 qDebug() << "WARNING: Received analog packet with 0 samples.";
1323 if (!cur_samplerate_)
1325 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1326 } catch (Error& e) {
1330 lock_guard<recursive_mutex> lock(data_mutex_);
1332 const vector<shared_ptr<Channel>> channels = analog->channels();
1333 bool sweep_beginning = false;
1335 unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]);
1336 analog->get_data_as_float(data.get());
1338 if (signalbases_.empty())
1341 float *channel_data = data.get();
1342 for (auto& channel : channels) {
1343 shared_ptr<data::AnalogSegment> segment;
1345 // Try to get the segment of the channel
1346 const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >::
1347 iterator iter = cur_analog_segments_.find(channel);
1348 if (iter != cur_analog_segments_.end())
1349 segment = (*iter).second;
1351 // If no segment was found, this means we haven't
1352 // created one yet. i.e. this is the first packet
1353 // in the sweep containing this segment.
1354 sweep_beginning = true;
1356 // Find the analog data associated with the channel
1357 shared_ptr<data::SignalBase> base = signalbase_from_channel(channel);
1360 shared_ptr<data::Analog> data(base->analog_data());
1363 // Create a segment, keep it in the maps of channels
1364 segment = make_shared<data::AnalogSegment>(
1365 *data, data->get_segment_count(), cur_samplerate_);
1366 cur_analog_segments_[channel] = segment;
1368 // Push the segment into the analog data.
1369 data->push_segment(segment);
1371 signal_new_segment();
1376 // Append the samples in the segment
1377 segment->append_interleaved_samples(channel_data++, analog->num_samples(),
1381 if (sweep_beginning) {
1382 // This could be the first packet after a trigger
1383 set_capture_state(Running);
1389 void Session::data_feed_in(shared_ptr<sigrok::Device> device,
1390 shared_ptr<Packet> packet)
1395 assert(device == device_->device());
1398 switch (packet->type()->id()) {
1404 feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload()));
1413 feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload()));
1414 } catch (bad_alloc&) {
1415 out_of_memory_ = true;
1422 feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload()));
1423 } catch (bad_alloc&) {
1424 out_of_memory_ = true;
1429 case SR_DF_FRAME_BEGIN:
1430 feed_in_frame_begin();
1433 case SR_DF_FRAME_END:
1434 feed_in_frame_end();
1438 // Strictly speaking, this is performed when a frame end marker was
1439 // received, so there's no point doing this again. However, not all
1440 // devices use frames, and for those devices, we need to do it here.
1442 lock_guard<recursive_mutex> lock(data_mutex_);
1444 if (cur_logic_segment_)
1445 cur_logic_segment_->set_complete();
1447 for (auto& entry : cur_analog_segments_) {
1448 shared_ptr<data::AnalogSegment> segment = entry.second;
1449 segment->set_complete();
1452 cur_logic_segment_.reset();
1453 cur_analog_segments_.clear();
1462 void Session::on_data_saved()
1467 #ifdef ENABLE_DECODE
1468 void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders)
1470 assert(decoders.size() > 0);
1472 shared_ptr<data::DecodeSignal> signal = add_decode_signal();
1475 for (const srd_decoder* d : decoders)
1476 signal->stack_decoder(d);