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_settings(QSettings &settings) const
192 map<string, string> dev_info;
193 list<string> key_list;
194 int decode_signals = 0, views = 0;
197 shared_ptr<devices::HardwareDevice> hw_device =
198 dynamic_pointer_cast< devices::HardwareDevice >(device_);
201 settings.setValue("device_type", "hardware");
202 settings.beginGroup("device");
204 key_list.emplace_back("vendor");
205 key_list.emplace_back("model");
206 key_list.emplace_back("version");
207 key_list.emplace_back("serial_num");
208 key_list.emplace_back("connection_id");
210 dev_info = device_manager_.get_device_info(device_);
212 for (string& key : key_list) {
213 if (dev_info.count(key))
214 settings.setValue(QString::fromUtf8(key.c_str()),
215 QString::fromUtf8(dev_info.at(key).c_str()));
217 settings.remove(QString::fromUtf8(key.c_str()));
223 shared_ptr<devices::SessionFile> sessionfile_device =
224 dynamic_pointer_cast<devices::SessionFile>(device_);
226 if (sessionfile_device) {
227 settings.setValue("device_type", "sessionfile");
228 settings.beginGroup("device");
229 settings.setValue("filename", QString::fromStdString(
230 sessionfile_device->full_name()));
234 shared_ptr<devices::InputFile> inputfile_device =
235 dynamic_pointer_cast<devices::InputFile>(device_);
237 if (inputfile_device) {
238 settings.setValue("device_type", "inputfile");
239 settings.beginGroup("device");
240 inputfile_device->save_meta_to_settings(settings);
244 // Save channels and decoders
245 for (const shared_ptr<data::SignalBase>& base : signalbases_) {
247 if (base->is_decode_signal()) {
248 settings.beginGroup("decode_signal" + QString::number(decode_signals++));
249 base->save_settings(settings);
254 settings.beginGroup(base->internal_name());
255 base->save_settings(settings);
260 settings.setValue("decode_signals", decode_signals);
262 // Save view states and their signal settings
263 // Note: main_view must be saved as view0
264 settings.beginGroup("view" + QString::number(views++));
265 main_view_->save_settings(settings);
268 for (const shared_ptr<views::ViewBase>& view : views_) {
269 if (view != main_view_) {
270 settings.beginGroup("view" + QString::number(views++));
271 view->save_settings(settings);
276 settings.setValue("views", views);
280 void Session::restore_settings(QSettings &settings)
282 shared_ptr<devices::Device> device;
284 QString device_type = settings.value("device_type").toString();
286 if (device_type == "hardware") {
287 map<string, string> dev_info;
288 list<string> key_list;
290 // Re-select last used device if possible but only if it's not demo
291 settings.beginGroup("device");
292 key_list.emplace_back("vendor");
293 key_list.emplace_back("model");
294 key_list.emplace_back("version");
295 key_list.emplace_back("serial_num");
296 key_list.emplace_back("connection_id");
298 for (string key : key_list) {
299 const QString k = QString::fromStdString(key);
300 if (!settings.contains(k))
303 const string value = settings.value(k).toString().toStdString();
305 dev_info.insert(make_pair(key, value));
308 if (dev_info.count("model") > 0)
309 device = device_manager_.find_device_from_info(dev_info);
317 if ((device_type == "sessionfile") || (device_type == "inputfile")) {
318 if (device_type == "sessionfile") {
319 settings.beginGroup("device");
320 QString filename = settings.value("filename").toString();
323 if (QFileInfo(filename).isReadable()) {
324 device = make_shared<devices::SessionFile>(device_manager_.context(),
325 filename.toStdString());
329 if (device_type == "inputfile") {
330 settings.beginGroup("device");
331 device = make_shared<devices::InputFile>(device_manager_.context(),
339 start_capture([](QString infoMessage) {
340 // TODO Emulate noquote()
341 qDebug() << "Session error:" << infoMessage; });
343 set_name(QString::fromStdString(
344 dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_)));
350 for (shared_ptr<data::SignalBase> base : signalbases_) {
351 settings.beginGroup(base->internal_name());
352 base->restore_settings(settings);
358 int decode_signals = settings.value("decode_signals").toInt();
360 for (int i = 0; i < decode_signals; i++) {
361 settings.beginGroup("decode_signal" + QString::number(i));
362 shared_ptr<data::DecodeSignal> signal = add_decode_signal();
363 signal->restore_settings(settings);
369 int views = settings.value("views").toInt();
371 for (int i = 0; i < views; i++) {
372 settings.beginGroup("view" + QString::number(i));
375 views::ViewType type = (views::ViewType)settings.value("type").toInt();
376 add_view(name_, type, this);
377 views_.back()->restore_settings(settings);
379 main_view_->restore_settings(settings);
386 void Session::select_device(shared_ptr<devices::Device> device)
392 set_default_device();
393 } catch (const QString &e) {
394 MainWindow::show_session_error(tr("Failed to select device"), e);
398 void Session::set_device(shared_ptr<devices::Device> device)
402 // Ensure we are not capturing before setting the device
410 // Revert name back to default name (e.g. "Session 1") as the data is gone
411 name_ = default_name_;
414 // Remove all stored data and reset all views
415 for (shared_ptr<views::ViewBase> view : views_) {
416 view->clear_signals();
418 view->clear_decode_signals();
420 view->reset_view_state();
422 for (const shared_ptr<data::SignalData>& d : all_signal_data_)
424 all_signal_data_.clear();
425 signalbases_.clear();
426 cur_logic_segment_.reset();
428 for (auto& entry : cur_analog_segments_) {
429 shared_ptr<sigrok::Channel>(entry.first).reset();
430 shared_ptr<data::AnalogSegment>(entry.second).reset();
437 device_ = move(device);
441 } catch (const QString &e) {
443 MainWindow::show_session_error(tr("Failed to open device"), e);
447 device_->session()->add_datafeed_callback([=]
448 (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
449 data_feed_in(device, packet);
458 void Session::set_default_device()
460 const list< shared_ptr<devices::HardwareDevice> > &devices =
461 device_manager_.devices();
466 // Try and find the demo device and select that by default
467 const auto iter = find_if(devices.begin(), devices.end(),
468 [] (const shared_ptr<devices::HardwareDevice> &d) {
469 return d->hardware_device()->driver()->name() == "demo"; });
470 set_device((iter == devices.end()) ? devices.front() : *iter);
474 * Convert generic options to data types that are specific to InputFormat.
476 * @param[in] user_spec Vector of tokenized words, string format.
477 * @param[in] fmt_opts Input format's options, result of InputFormat::options().
479 * @return Map of options suitable for InputFormat::create_input().
481 map<string, Glib::VariantBase>
482 Session::input_format_options(vector<string> user_spec,
483 map<string, shared_ptr<Option>> fmt_opts)
485 map<string, Glib::VariantBase> result;
487 for (auto& entry : user_spec) {
489 * Split key=value specs. Accept entries without separator
490 * (for simplified boolean specifications).
493 size_t pos = entry.find("=");
494 if (pos == std::string::npos) {
498 key = entry.substr(0, pos);
499 val = entry.substr(pos + 1);
503 * Skip user specifications that are not a member of the
504 * format's set of supported options. Have the text input
505 * spec converted to the required input format specific
508 auto found = fmt_opts.find(key);
509 if (found == fmt_opts.end())
511 shared_ptr<Option> opt = found->second;
512 result[key] = opt->parse_string(val);
518 void Session::load_init_file(const string &file_name, const string &format)
520 shared_ptr<InputFormat> input_format;
521 map<string, Glib::VariantBase> input_opts;
523 if (!format.empty()) {
524 const map<string, shared_ptr<InputFormat> > formats =
525 device_manager_.context()->input_formats();
526 auto user_opts = pv::util::split_string(format, ":");
527 string user_name = user_opts.front();
528 user_opts.erase(user_opts.begin());
529 const auto iter = find_if(formats.begin(), formats.end(),
530 [&](const pair<string, shared_ptr<InputFormat> > f) {
531 return f.first == user_name; });
532 if (iter == formats.end()) {
533 MainWindow::show_session_error(tr("Error"),
534 tr("Unexpected input format: %s").arg(QString::fromStdString(format)));
537 input_format = (*iter).second;
538 input_opts = input_format_options(user_opts,
539 input_format->options());
542 load_file(QString::fromStdString(file_name), input_format, input_opts);
545 void Session::load_file(QString file_name,
546 shared_ptr<sigrok::InputFormat> format,
547 const map<string, Glib::VariantBase> &options)
549 const QString errorMessage(
550 QString("Failed to load file %1").arg(file_name));
552 // In the absence of a caller's format spec, try to auto detect.
553 // Assume "sigrok session file" upon lookup miss.
555 format = device_manager_.context()->input_format_match(file_name.toStdString());
558 set_device(shared_ptr<devices::Device>(
559 new devices::InputFile(
560 device_manager_.context(),
561 file_name.toStdString(),
564 set_device(shared_ptr<devices::Device>(
565 new devices::SessionFile(
566 device_manager_.context(),
567 file_name.toStdString())));
569 MainWindow::show_session_error(tr("Failed to load ") + file_name, e.what());
570 set_default_device();
571 main_bar_->update_device_list();
575 main_bar_->update_device_list();
577 start_capture([&, errorMessage](QString infoMessage) {
578 MainWindow::show_session_error(errorMessage, infoMessage); });
580 set_name(QFileInfo(file_name).fileName());
583 Session::capture_state Session::get_capture_state() const
585 lock_guard<mutex> lock(sampling_mutex_);
586 return capture_state_;
589 void Session::start_capture(function<void (const QString)> error_handler)
592 error_handler(tr("No active device set, can't start acquisition."));
598 // Check that at least one channel is enabled
599 const shared_ptr<sigrok::Device> sr_dev = device_->device();
601 const auto channels = sr_dev->channels();
602 if (!any_of(channels.begin(), channels.end(),
603 [](shared_ptr<Channel> channel) {
604 return channel->enabled(); })) {
605 error_handler(tr("No channels enabled."));
611 for (const shared_ptr<data::SignalData>& d : all_signal_data_)
614 trigger_list_.clear();
616 // Revert name back to default name (e.g. "Session 1") for real devices
617 // as the (possibly saved) data is gone. File devices keep their name.
618 shared_ptr<devices::HardwareDevice> hw_device =
619 dynamic_pointer_cast< devices::HardwareDevice >(device_);
622 name_ = default_name_;
627 sampling_thread_ = std::thread(
628 &Session::sample_thread_proc, this, error_handler);
631 void Session::stop_capture()
633 if (get_capture_state() != Stopped)
636 // Check that sampling stopped
637 if (sampling_thread_.joinable())
638 sampling_thread_.join();
641 void Session::register_view(shared_ptr<views::ViewBase> view)
643 if (views_.empty()) {
647 views_.push_back(view);
649 // Add all device signals
652 // Add all other signals
653 unordered_set< shared_ptr<data::SignalBase> > view_signalbases =
656 views::trace::View *trace_view =
657 qobject_cast<views::trace::View*>(view.get());
660 for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
661 const int sb_exists = count_if(
662 view_signalbases.cbegin(), view_signalbases.cend(),
663 [&](const shared_ptr<data::SignalBase> &sb) {
664 return sb == signalbase;
666 // Add the signal to the view as it doesn't have it yet
668 switch (signalbase->type()) {
669 case data::SignalBase::AnalogChannel:
670 case data::SignalBase::LogicChannel:
671 case data::SignalBase::DecodeChannel:
673 trace_view->add_decode_signal(
674 dynamic_pointer_cast<data::DecodeSignal>(signalbase));
677 case data::SignalBase::MathChannel:
687 void Session::deregister_view(shared_ptr<views::ViewBase> view)
689 views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; });
691 if (views_.empty()) {
694 // Without a view there can be no main bar
699 bool Session::has_view(shared_ptr<views::ViewBase> view)
701 for (shared_ptr<views::ViewBase>& v : views_)
708 double Session::get_samplerate() const
710 double samplerate = 0.0;
712 for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) {
714 const vector< shared_ptr<pv::data::Segment> > segments =
716 for (const shared_ptr<pv::data::Segment>& s : segments)
717 samplerate = max(samplerate, s->samplerate());
719 // If there is no sample rate given we use samples as unit
720 if (samplerate == 0.0)
726 uint32_t Session::get_segment_count() const
730 // Find the highest number of segments
731 for (const shared_ptr<data::SignalData>& data : all_signal_data_)
732 if (data->get_segment_count() > value)
733 value = data->get_segment_count();
738 vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const
740 vector<util::Timestamp> result;
742 for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_)
743 if (entry.first == segment_id)
744 result.push_back(entry.second);
749 const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const
754 bool Session::all_segments_complete(uint32_t segment_id) const
756 bool all_complete = true;
758 for (const shared_ptr<data::SignalBase>& base : signalbases_)
759 if (!base->segment_is_complete(segment_id))
760 all_complete = false;
766 shared_ptr<data::DecodeSignal> Session::add_decode_signal()
768 shared_ptr<data::DecodeSignal> signal;
771 // Create the decode signal
772 signal = make_shared<data::DecodeSignal>(*this);
774 signalbases_.insert(signal);
776 // Add the decode signal to all views
777 for (shared_ptr<views::ViewBase>& view : views_)
778 view->add_decode_signal(signal);
779 } catch (runtime_error& e) {
780 remove_decode_signal(signal);
789 void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
791 signalbases_.erase(signal);
793 for (shared_ptr<views::ViewBase>& view : views_)
794 view->remove_decode_signal(signal);
800 void Session::set_capture_state(capture_state state)
805 lock_guard<mutex> lock(sampling_mutex_);
806 changed = capture_state_ != state;
807 capture_state_ = state;
811 capture_state_changed(state);
814 void Session::update_signals()
817 signalbases_.clear();
819 for (shared_ptr<views::ViewBase>& view : views_) {
820 view->clear_signals();
822 view->clear_decode_signals();
828 lock_guard<recursive_mutex> lock(data_mutex_);
830 const shared_ptr<sigrok::Device> sr_dev = device_->device();
832 signalbases_.clear();
834 for (shared_ptr<views::ViewBase>& view : views_) {
835 view->clear_signals();
837 view->clear_decode_signals();
843 // Detect what data types we will receive
844 auto channels = sr_dev->channels();
845 unsigned int logic_channel_count = count_if(
846 channels.begin(), channels.end(),
847 [] (shared_ptr<Channel> channel) {
848 return channel->type() == sigrok::ChannelType::LOGIC; });
850 // Create data containers for the logic data segments
852 lock_guard<recursive_mutex> data_lock(data_mutex_);
854 if (logic_channel_count == 0) {
856 } else if (!logic_data_ ||
857 logic_data_->num_channels() != logic_channel_count) {
858 logic_data_.reset(new data::Logic(
859 logic_channel_count));
864 // Make the signals list
865 for (shared_ptr<views::ViewBase>& viewbase : views_) {
866 views::trace::View *trace_view =
867 qobject_cast<views::trace::View*>(viewbase.get());
870 unordered_set< shared_ptr<views::trace::Signal> >
871 prev_sigs(trace_view->signals());
872 trace_view->clear_signals();
874 for (auto channel : sr_dev->channels()) {
875 shared_ptr<data::SignalBase> signalbase;
876 shared_ptr<views::trace::Signal> signal;
878 // Find the channel in the old signals
879 const auto iter = find_if(
880 prev_sigs.cbegin(), prev_sigs.cend(),
881 [&](const shared_ptr<views::trace::Signal> &s) {
882 return s->base()->channel() == channel;
884 if (iter != prev_sigs.end()) {
885 // Copy the signal from the old set to the new
887 trace_view->add_signal(signal);
889 // Find the signalbase for this channel if possible
891 for (const shared_ptr<data::SignalBase>& b : signalbases_)
892 if (b->channel() == channel)
895 switch(channel->type()->id()) {
896 case SR_CHANNEL_LOGIC:
898 signalbase = make_shared<data::SignalBase>(channel,
899 data::SignalBase::LogicChannel);
900 signalbases_.insert(signalbase);
902 all_signal_data_.insert(logic_data_);
903 signalbase->set_data(logic_data_);
905 connect(this, SIGNAL(capture_state_changed(int)),
906 signalbase.get(), SLOT(on_capture_state_changed(int)));
909 signal = shared_ptr<views::trace::Signal>(
910 new views::trace::LogicSignal(*this,
911 device_, signalbase));
912 trace_view->add_signal(signal);
915 case SR_CHANNEL_ANALOG:
918 signalbase = make_shared<data::SignalBase>(channel,
919 data::SignalBase::AnalogChannel);
920 signalbases_.insert(signalbase);
922 shared_ptr<data::Analog> data(new data::Analog());
923 all_signal_data_.insert(data);
924 signalbase->set_data(data);
926 connect(this, SIGNAL(capture_state_changed(int)),
927 signalbase.get(), SLOT(on_capture_state_changed(int)));
930 signal = shared_ptr<views::trace::Signal>(
931 new views::trace::AnalogSignal(
933 trace_view->add_signal(signal);
949 shared_ptr<data::SignalBase> Session::signalbase_from_channel(
950 shared_ptr<sigrok::Channel> channel) const
952 for (shared_ptr<data::SignalBase> sig : signalbases_) {
954 if (sig->channel() == channel)
957 return shared_ptr<data::SignalBase>();
960 void Session::sample_thread_proc(function<void (const QString)> error_handler)
962 assert(error_handler);
965 pipeline_ = Pipeline::create();
967 source_ = ElementFactory::create_element("filesrc", "source");
968 sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink"));
970 pipeline_->add(source_)->add(sink_);
971 source_->link(sink_);
973 source_->set_property("location", Glib::ustring("/tmp/dummy_binary"));
975 sink_->set_property("emit-signals", TRUE);
976 sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample));
978 // Get the bus from the pipeline and add a bus watch to the default main context
979 RefPtr<Bus> bus = pipeline_->get_bus();
980 bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message));
982 // Start pipeline and Wait until it finished processing
983 pipeline_done_interrupt_ = false;
984 pipeline_->set_state(Gst::STATE_PLAYING);
986 unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_);
987 pipeline_done_cond_.wait(pipeline_done_lock_);
989 // Let the pipeline free all resources
990 pipeline_->set_state(Gst::STATE_NULL);
997 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1002 out_of_memory_ = false;
1005 lock_guard<recursive_mutex> lock(data_mutex_);
1006 cur_logic_segment_.reset();
1007 cur_analog_segments_.clear();
1009 highest_segment_id_ = -1;
1010 frame_began_ = false;
1014 } catch (Error& e) {
1015 error_handler(e.what());
1019 set_capture_state(device_->session()->trigger() ?
1020 AwaitingTrigger : Running);
1024 } catch (Error& e) {
1025 error_handler(e.what());
1026 set_capture_state(Stopped);
1028 } catch (QString& e) {
1030 set_capture_state(Stopped);
1034 set_capture_state(Stopped);
1036 // Confirm that SR_DF_END was received
1037 if (cur_logic_segment_)
1038 qDebug() << "WARNING: SR_DF_END was not received.";
1041 // Optimize memory usage
1042 free_unused_memory();
1044 // We now have unsaved data unless we just "captured" from a file
1045 shared_ptr<devices::File> file_device =
1046 dynamic_pointer_cast<devices::File>(device_);
1049 data_saved_ = false;
1052 error_handler(tr("Out of memory, acquisition stopped."));
1055 void Session::free_unused_memory()
1057 for (const shared_ptr<data::SignalData>& data : all_signal_data_) {
1058 const vector< shared_ptr<data::Segment> > segments = data->segments();
1060 for (const shared_ptr<data::Segment>& segment : segments)
1061 segment->free_unused_memory();
1065 void Session::signal_new_segment()
1067 int new_segment_id = 0;
1069 if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) {
1071 // Determine new frame/segment number, assuming that all
1072 // signals have the same number of frames/segments
1073 if (cur_logic_segment_) {
1074 new_segment_id = logic_data_->get_segment_count() - 1;
1076 shared_ptr<sigrok::Channel> any_channel =
1077 (*cur_analog_segments_.begin()).first;
1079 shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel);
1082 shared_ptr<data::Analog> data(base->analog_data());
1085 new_segment_id = data->get_segment_count() - 1;
1089 if (new_segment_id > highest_segment_id_) {
1090 highest_segment_id_ = new_segment_id;
1091 new_segment(highest_segment_id_);
1095 void Session::signal_segment_completed()
1099 for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
1100 // We only care about analog and logic channels, not derived ones
1101 if (signalbase->type() == data::SignalBase::AnalogChannel) {
1102 segment_id = signalbase->analog_data()->get_segment_count() - 1;
1106 if (signalbase->type() == data::SignalBase::LogicChannel) {
1107 segment_id = signalbase->logic_data()->get_segment_count() - 1;
1112 if (segment_id >= 0)
1113 segment_completed(segment_id);
1117 bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message)
1121 if ((message->get_source() == pipeline_) && \
1122 ((message->get_message_type() == Gst::MESSAGE_EOS)))
1123 pipeline_done_cond_.notify_one();
1125 // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications
1130 Gst::FlowReturn Session::on_gst_new_sample()
1132 RefPtr<Gst::Sample> sample = sink_->pull_sample();
1133 RefPtr<Gst::Buffer> buf = sample->get_buffer();
1135 for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) {
1136 RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id);
1137 Gst::MapInfo mapinfo;
1138 buf_mem->map(mapinfo, Gst::MAP_READ);
1140 shared_ptr<sigrok::Packet> logic_packet =
1141 sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1);
1144 feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload()));
1145 } catch (bad_alloc&) {
1146 out_of_memory_ = true;
1148 buf_mem->unmap(mapinfo);
1149 return Gst::FLOW_ERROR;
1152 buf_mem->unmap(mapinfo);
1155 return Gst::FLOW_OK;
1159 void Session::feed_in_header()
1161 // Nothing to do here for now
1164 void Session::feed_in_meta(shared_ptr<Meta> meta)
1166 for (auto& entry : meta->config()) {
1167 switch (entry.first->id()) {
1168 case SR_CONF_SAMPLERATE:
1169 cur_samplerate_ = g_variant_get_uint64(entry.second.gobj());
1172 qDebug() << "Received meta data key" << entry.first->id() << ", ignoring.";
1180 void Session::feed_in_trigger()
1182 // The channel containing most samples should be most accurate
1183 uint64_t sample_count = 0;
1186 for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) {
1188 uint64_t temp_count = 0;
1190 const vector< shared_ptr<pv::data::Segment> > segments =
1192 for (const shared_ptr<pv::data::Segment> &s : segments)
1193 temp_count += s->get_sample_count();
1195 if (temp_count > sample_count)
1196 sample_count = temp_count;
1200 uint32_t segment_id = 0; // Default segment when no frames are used
1202 // If a frame began, we'd ideally be able to use the highest segment ID for
1203 // the trigger. However, as new segments are only created when logic or
1204 // analog data comes in, this doesn't work if the trigger appears right
1205 // after the beginning of the frame, before any sample data.
1206 // For this reason, we use highest segment ID + 1 if no sample data came in
1207 // yet and the highest segment ID otherwise.
1209 segment_id = highest_segment_id_;
1210 if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0))
1214 // TODO Create timestamp from segment start time + segment's current sample count
1215 util::Timestamp timestamp = sample_count / get_samplerate();
1216 trigger_list_.emplace_back(segment_id, timestamp);
1217 trigger_event(segment_id, timestamp);
1220 void Session::feed_in_frame_begin()
1222 frame_began_ = true;
1225 void Session::feed_in_frame_end()
1231 lock_guard<recursive_mutex> lock(data_mutex_);
1233 if (cur_logic_segment_)
1234 cur_logic_segment_->set_complete();
1236 for (auto& entry : cur_analog_segments_) {
1237 shared_ptr<data::AnalogSegment> segment = entry.second;
1238 segment->set_complete();
1241 cur_logic_segment_.reset();
1242 cur_analog_segments_.clear();
1245 frame_began_ = false;
1247 signal_segment_completed();
1250 void Session::feed_in_logic(shared_ptr<Logic> logic)
1252 if (logic->data_length() == 0) {
1253 qDebug() << "WARNING: Received logic packet with 0 samples.";
1257 if (logic->unit_size() > 8)
1258 throw QString(tr("Can't handle more than 64 logic channels."));
1260 if (!cur_samplerate_)
1262 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1263 } catch (Error& e) {
1267 lock_guard<recursive_mutex> lock(data_mutex_);
1270 // The only reason logic_data_ would not have been created is
1271 // if it was not possible to determine the signals when the
1272 // device was created.
1276 if (!cur_logic_segment_) {
1277 // This could be the first packet after a trigger
1278 set_capture_state(Running);
1280 // Create a new data segment
1281 cur_logic_segment_ = make_shared<data::LogicSegment>(
1282 *logic_data_, logic_data_->get_segment_count(),
1283 logic->unit_size(), cur_samplerate_);
1284 logic_data_->push_segment(cur_logic_segment_);
1286 signal_new_segment();
1289 cur_logic_segment_->append_payload(logic);
1294 void Session::feed_in_analog(shared_ptr<Analog> analog)
1296 if (analog->num_samples() == 0) {
1297 qDebug() << "WARNING: Received analog packet with 0 samples.";
1301 if (!cur_samplerate_)
1303 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1304 } catch (Error& e) {
1308 lock_guard<recursive_mutex> lock(data_mutex_);
1310 const vector<shared_ptr<Channel>> channels = analog->channels();
1311 bool sweep_beginning = false;
1313 unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]);
1314 analog->get_data_as_float(data.get());
1316 if (signalbases_.empty())
1319 float *channel_data = data.get();
1320 for (auto& channel : channels) {
1321 shared_ptr<data::AnalogSegment> segment;
1323 // Try to get the segment of the channel
1324 const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >::
1325 iterator iter = cur_analog_segments_.find(channel);
1326 if (iter != cur_analog_segments_.end())
1327 segment = (*iter).second;
1329 // If no segment was found, this means we haven't
1330 // created one yet. i.e. this is the first packet
1331 // in the sweep containing this segment.
1332 sweep_beginning = true;
1334 // Find the analog data associated with the channel
1335 shared_ptr<data::SignalBase> base = signalbase_from_channel(channel);
1338 shared_ptr<data::Analog> data(base->analog_data());
1341 // Create a segment, keep it in the maps of channels
1342 segment = make_shared<data::AnalogSegment>(
1343 *data, data->get_segment_count(), cur_samplerate_);
1344 cur_analog_segments_[channel] = segment;
1346 // Push the segment into the analog data.
1347 data->push_segment(segment);
1349 signal_new_segment();
1354 // Append the samples in the segment
1355 segment->append_interleaved_samples(channel_data++, analog->num_samples(),
1359 if (sweep_beginning) {
1360 // This could be the first packet after a trigger
1361 set_capture_state(Running);
1367 void Session::data_feed_in(shared_ptr<sigrok::Device> device,
1368 shared_ptr<Packet> packet)
1373 assert(device == device_->device());
1376 switch (packet->type()->id()) {
1382 feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload()));
1391 feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload()));
1392 } catch (bad_alloc&) {
1393 out_of_memory_ = true;
1400 feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload()));
1401 } catch (bad_alloc&) {
1402 out_of_memory_ = true;
1407 case SR_DF_FRAME_BEGIN:
1408 feed_in_frame_begin();
1411 case SR_DF_FRAME_END:
1412 feed_in_frame_end();
1416 // Strictly speaking, this is performed when a frame end marker was
1417 // received, so there's no point doing this again. However, not all
1418 // devices use frames, and for those devices, we need to do it here.
1420 lock_guard<recursive_mutex> lock(data_mutex_);
1422 if (cur_logic_segment_)
1423 cur_logic_segment_->set_complete();
1425 for (auto& entry : cur_analog_segments_) {
1426 shared_ptr<data::AnalogSegment> segment = entry.second;
1427 segment->set_complete();
1430 cur_logic_segment_.reset();
1431 cur_analog_segments_.clear();
1440 void Session::on_data_saved()