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/>.
29 #include "devicemanager.hpp"
30 #include "session.hpp"
32 #include "data/analog.hpp"
33 #include "data/analogsegment.hpp"
34 #include "data/decode/decoder.hpp"
35 #include "data/decoderstack.hpp"
36 #include "data/logic.hpp"
37 #include "data/logicsegment.hpp"
38 #include "data/signalbase.hpp"
40 #include "devices/hardwaredevice.hpp"
41 #include "devices/inputfile.hpp"
42 #include "devices/sessionfile.hpp"
44 #include "toolbars/mainbar.hpp"
46 #include "views/trace/analogsignal.hpp"
47 #include "views/trace/decodetrace.hpp"
48 #include "views/trace/logicsignal.hpp"
49 #include "views/trace/signal.hpp"
50 #include "views/trace/view.hpp"
52 #include <libsigrokcxx/libsigrokcxx.hpp>
55 #include <libsigrokdecode/libsigrokdecode.h>
56 #include "data/decodesignal.hpp"
60 using std::dynamic_pointer_cast;
63 using std::lock_guard;
66 using std::make_shared;
72 using std::recursive_mutex;
73 using std::runtime_error;
74 using std::shared_ptr;
76 using std::unique_ptr;
77 using std::unordered_set;
81 using sigrok::Channel;
82 using sigrok::ConfigKey;
83 using sigrok::DatafeedCallbackFunction;
85 using sigrok::InputFormat;
89 using sigrok::Session;
91 using Glib::VariantBase;
94 Session::Session(DeviceManager &device_manager, QString name) :
95 device_manager_(device_manager),
98 capture_state_(Stopped),
106 // Stop and join to the thread
110 DeviceManager& Session::device_manager()
112 return device_manager_;
115 const DeviceManager& Session::device_manager() const
117 return device_manager_;
120 shared_ptr<sigrok::Session> Session::session() const
123 return shared_ptr<sigrok::Session>();
124 return device_->session();
127 shared_ptr<devices::Device> Session::device() const
132 QString Session::name() const
137 void Session::set_name(QString name)
139 if (default_name_.isEmpty())
140 default_name_ = name;
147 const list< shared_ptr<views::ViewBase> > Session::views() const
152 shared_ptr<views::ViewBase> Session::main_view() const
157 void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar)
159 main_bar_ = main_bar;
162 shared_ptr<pv::toolbars::MainBar> Session::main_bar() const
167 bool Session::data_saved() const
172 void Session::save_settings(QSettings &settings) const
174 map<string, string> dev_info;
175 list<string> key_list;
176 int stacks = 0, views = 0;
179 shared_ptr<devices::HardwareDevice> hw_device =
180 dynamic_pointer_cast< devices::HardwareDevice >(device_);
183 settings.setValue("device_type", "hardware");
184 settings.beginGroup("device");
186 key_list.emplace_back("vendor");
187 key_list.emplace_back("model");
188 key_list.emplace_back("version");
189 key_list.emplace_back("serial_num");
190 key_list.emplace_back("connection_id");
192 dev_info = device_manager_.get_device_info(device_);
194 for (string key : key_list) {
195 if (dev_info.count(key))
196 settings.setValue(QString::fromUtf8(key.c_str()),
197 QString::fromUtf8(dev_info.at(key).c_str()));
199 settings.remove(QString::fromUtf8(key.c_str()));
205 shared_ptr<devices::SessionFile> sessionfile_device =
206 dynamic_pointer_cast< devices::SessionFile >(device_);
208 if (sessionfile_device) {
209 settings.setValue("device_type", "sessionfile");
210 settings.beginGroup("device");
211 settings.setValue("filename", QString::fromStdString(
212 sessionfile_device->full_name()));
216 // Save channels and decoders
217 for (shared_ptr<data::SignalBase> base : signalbases_) {
219 if (base->is_decode_signal()) {
220 shared_ptr<pv::data::DecoderStack> decoder_stack =
221 base->decoder_stack();
222 shared_ptr<data::decode::Decoder> top_decoder =
223 decoder_stack->stack().front();
225 settings.beginGroup("decoder_stack" + QString::number(stacks++));
226 settings.setValue("id", top_decoder->decoder()->id);
227 settings.setValue("name", top_decoder->decoder()->name);
232 settings.beginGroup(base->internal_name());
233 base->save_settings(settings);
238 settings.setValue("decoder_stacks", stacks);
240 // Save view states and their signal settings
241 // Note: main_view must be saved as view0
242 settings.beginGroup("view" + QString::number(views++));
243 main_view_->save_settings(settings);
246 for (shared_ptr<views::ViewBase> view : views_) {
247 if (view != main_view_) {
248 settings.beginGroup("view" + QString::number(views++));
249 view->save_settings(settings);
254 settings.setValue("views", views);
258 void Session::restore_settings(QSettings &settings)
260 shared_ptr<devices::Device> device;
262 QString device_type = settings.value("device_type").toString();
264 if (device_type == "hardware") {
265 map<string, string> dev_info;
266 list<string> key_list;
268 // Re-select last used device if possible but only if it's not demo
269 settings.beginGroup("device");
270 key_list.emplace_back("vendor");
271 key_list.emplace_back("model");
272 key_list.emplace_back("version");
273 key_list.emplace_back("serial_num");
274 key_list.emplace_back("connection_id");
276 for (string key : key_list) {
277 const QString k = QString::fromStdString(key);
278 if (!settings.contains(k))
281 const string value = settings.value(k).toString().toStdString();
283 dev_info.insert(make_pair(key, value));
286 if (dev_info.count("model") > 0)
287 device = device_manager_.find_device_from_info(dev_info);
295 if (device_type == "sessionfile") {
296 settings.beginGroup("device");
297 QString filename = settings.value("filename").toString();
300 if (QFileInfo(filename).isReadable()) {
301 device = make_shared<devices::SessionFile>(device_manager_.context(),
302 filename.toStdString());
305 // TODO Perform error handling
306 start_capture([](QString infoMessage) { (void)infoMessage; });
308 set_name(QFileInfo(filename).fileName());
314 for (shared_ptr<data::SignalBase> base : signalbases_) {
315 settings.beginGroup(base->internal_name());
316 base->restore_settings(settings);
322 int stacks = settings.value("decoder_stacks").toInt();
324 for (int i = 0; i < stacks; i++) {
325 settings.beginGroup("decoder_stack" + QString::number(i++));
327 QString id = settings.value("id").toString();
328 add_decoder(srd_decoder_get_by_id(id.toStdString().c_str()));
335 int views = settings.value("views").toInt();
337 for (int i = 0; i < views; i++) {
338 settings.beginGroup("view" + QString::number(i));
341 views::ViewType type = (views::ViewType)settings.value("type").toInt();
342 add_view(name_, type, this);
343 views_.back()->restore_settings(settings);
345 main_view_->restore_settings(settings);
352 void Session::select_device(shared_ptr<devices::Device> device)
358 set_default_device();
359 } catch (const QString &e) {
360 main_bar_->session_error(tr("Failed to Select Device"),
361 tr("Failed to Select Device"));
365 void Session::set_device(shared_ptr<devices::Device> device)
369 // Ensure we are not capturing before setting the device
377 // Revert name back to default name (e.g. "Session 1") as the data is gone
378 name_ = default_name_;
381 // Remove all stored data
382 for (shared_ptr<views::ViewBase> view : views_) {
383 view->clear_signals();
385 view->clear_decode_signals();
388 for (const shared_ptr<data::SignalData> d : all_signal_data_)
390 all_signal_data_.clear();
391 signalbases_.clear();
392 cur_logic_segment_.reset();
394 for (auto entry : cur_analog_segments_) {
395 shared_ptr<sigrok::Channel>(entry.first).reset();
396 shared_ptr<data::AnalogSegment>(entry.second).reset();
403 device_ = move(device);
407 } catch (const QString &e) {
412 device_->session()->add_datafeed_callback([=]
413 (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
414 data_feed_in(device, packet);
423 void Session::set_default_device()
425 const list< shared_ptr<devices::HardwareDevice> > &devices =
426 device_manager_.devices();
431 // Try and find the demo device and select that by default
432 const auto iter = find_if(devices.begin(), devices.end(),
433 [] (const shared_ptr<devices::HardwareDevice> &d) {
434 return d->hardware_device()->driver()->name() == "demo"; });
435 set_device((iter == devices.end()) ? devices.front() : *iter);
439 * Convert generic options to data types that are specific to InputFormat.
441 * @param[in] user_spec Vector of tokenized words, string format.
442 * @param[in] fmt_opts Input format's options, result of InputFormat::options().
444 * @return Map of options suitable for InputFormat::create_input().
446 map<string, Glib::VariantBase>
447 Session::input_format_options(vector<string> user_spec,
448 map<string, shared_ptr<Option>> fmt_opts)
450 map<string, Glib::VariantBase> result;
452 for (auto entry : user_spec) {
454 * Split key=value specs. Accept entries without separator
455 * (for simplified boolean specifications).
458 size_t pos = entry.find("=");
459 if (pos == std::string::npos) {
463 key = entry.substr(0, pos);
464 val = entry.substr(pos + 1);
468 * Skip user specifications that are not a member of the
469 * format's set of supported options. Have the text input
470 * spec converted to the required input format specific
473 auto found = fmt_opts.find(key);
474 if (found == fmt_opts.end())
476 shared_ptr<Option> opt = found->second;
477 result[key] = opt->parse_string(val);
483 void Session::load_init_file(const string &file_name, const string &format)
485 shared_ptr<InputFormat> input_format;
486 map<string, Glib::VariantBase> input_opts;
488 if (!format.empty()) {
489 const map<string, shared_ptr<InputFormat> > formats =
490 device_manager_.context()->input_formats();
491 auto user_opts = pv::util::split_string(format, ":");
492 string user_name = user_opts.front();
493 user_opts.erase(user_opts.begin());
494 const auto iter = find_if(formats.begin(), formats.end(),
495 [&](const pair<string, shared_ptr<InputFormat> > f) {
496 return f.first == user_name; });
497 if (iter == formats.end()) {
498 main_bar_->session_error(tr("Error"),
499 tr("Unexpected input format: %s").arg(QString::fromStdString(format)));
502 input_format = (*iter).second;
503 input_opts = input_format_options(user_opts,
504 input_format->options());
507 load_file(QString::fromStdString(file_name), input_format, input_opts);
510 void Session::load_file(QString file_name,
511 shared_ptr<sigrok::InputFormat> format,
512 const map<string, Glib::VariantBase> &options)
514 const QString errorMessage(
515 QString("Failed to load file %1").arg(file_name));
519 set_device(shared_ptr<devices::Device>(
520 new devices::InputFile(
521 device_manager_.context(),
522 file_name.toStdString(),
525 set_device(shared_ptr<devices::Device>(
526 new devices::SessionFile(
527 device_manager_.context(),
528 file_name.toStdString())));
530 main_bar_->session_error(tr("Failed to load ") + file_name, e.what());
531 set_default_device();
532 main_bar_->update_device_list();
536 main_bar_->update_device_list();
538 start_capture([&, errorMessage](QString infoMessage) {
539 main_bar_->session_error(errorMessage, infoMessage); });
541 set_name(QFileInfo(file_name).fileName());
544 Session::capture_state Session::get_capture_state() const
546 lock_guard<mutex> lock(sampling_mutex_);
547 return capture_state_;
550 void Session::start_capture(function<void (const QString)> error_handler)
553 error_handler(tr("No active device set, can't start acquisition."));
559 // Check that at least one channel is enabled
560 const shared_ptr<sigrok::Device> sr_dev = device_->device();
562 const auto channels = sr_dev->channels();
563 if (!any_of(channels.begin(), channels.end(),
564 [](shared_ptr<Channel> channel) {
565 return channel->enabled(); })) {
566 error_handler(tr("No channels enabled."));
572 for (const shared_ptr<data::SignalData> d : all_signal_data_)
575 // Revert name back to default name (e.g. "Session 1") for real devices
576 // as the (possibly saved) data is gone. File devices keep their name.
577 shared_ptr<devices::HardwareDevice> hw_device =
578 dynamic_pointer_cast< devices::HardwareDevice >(device_);
581 name_ = default_name_;
586 sampling_thread_ = std::thread(
587 &Session::sample_thread_proc, this, error_handler);
590 void Session::stop_capture()
592 if (get_capture_state() != Stopped)
595 // Check that sampling stopped
596 if (sampling_thread_.joinable())
597 sampling_thread_.join();
600 void Session::register_view(shared_ptr<views::ViewBase> view)
602 if (views_.empty()) {
606 views_.push_back(view);
611 void Session::deregister_view(shared_ptr<views::ViewBase> view)
613 views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; });
615 if (views_.empty()) {
618 // Without a view there can be no main bar
623 bool Session::has_view(shared_ptr<views::ViewBase> view)
625 for (shared_ptr<views::ViewBase> v : views_)
632 double Session::get_samplerate() const
634 double samplerate = 0.0;
636 for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
638 const vector< shared_ptr<pv::data::Segment> > segments =
640 for (const shared_ptr<pv::data::Segment> &s : segments)
641 samplerate = max(samplerate, s->samplerate());
643 // If there is no sample rate given we use samples as unit
644 if (samplerate == 0.0)
650 const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const
656 bool Session::add_decoder(srd_decoder *const dec)
661 map<const srd_channel*, shared_ptr<data::SignalBase> > channels;
662 shared_ptr<data::DecoderStack> decoder_stack;
665 // Create the decoder
666 decoder_stack = make_shared<data::DecoderStack>(*this, dec);
668 assert(decoder_stack);
669 assert(!decoder_stack->stack().empty());
670 assert(decoder_stack->stack().front());
671 decoder_stack->stack().front()->set_channels(channels);
673 // Create the decode signal
674 shared_ptr<data::DecodeSignal> signal =
675 make_shared<data::DecodeSignal>(decoder_stack, signalbases_);
677 signalbases_.insert(signal);
679 for (shared_ptr<views::ViewBase> view : views_)
680 view->add_decode_signal(signal);
681 } catch (runtime_error e) {
687 // Do an initial decode
688 decoder_stack->begin_decode();
693 void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
695 signalbases_.erase(signal);
697 for (shared_ptr<views::ViewBase> view : views_)
698 view->remove_decode_signal(signal);
704 void Session::set_capture_state(capture_state state)
709 lock_guard<mutex> lock(sampling_mutex_);
710 changed = capture_state_ != state;
711 capture_state_ = state;
715 capture_state_changed(state);
718 void Session::update_signals()
721 signalbases_.clear();
723 for (shared_ptr<views::ViewBase> view : views_) {
724 view->clear_signals();
726 view->clear_decode_signals();
732 lock_guard<recursive_mutex> lock(data_mutex_);
734 const shared_ptr<sigrok::Device> sr_dev = device_->device();
736 signalbases_.clear();
738 for (shared_ptr<views::ViewBase> view : views_) {
739 view->clear_signals();
741 view->clear_decode_signals();
747 // Detect what data types we will receive
748 auto channels = sr_dev->channels();
749 unsigned int logic_channel_count = count_if(
750 channels.begin(), channels.end(),
751 [] (shared_ptr<Channel> channel) {
752 return channel->type() == sigrok::ChannelType::LOGIC; });
754 // Create data containers for the logic data segments
756 lock_guard<recursive_mutex> data_lock(data_mutex_);
758 if (logic_channel_count == 0) {
760 } else if (!logic_data_ ||
761 logic_data_->num_channels() != logic_channel_count) {
762 logic_data_.reset(new data::Logic(
763 logic_channel_count));
768 // Make the signals list
769 for (shared_ptr<views::ViewBase> viewbase : views_) {
770 views::trace::View *trace_view =
771 qobject_cast<views::trace::View*>(viewbase.get());
774 unordered_set< shared_ptr<views::trace::Signal> >
775 prev_sigs(trace_view->signals());
776 trace_view->clear_signals();
778 for (auto channel : sr_dev->channels()) {
779 shared_ptr<data::SignalBase> signalbase;
780 shared_ptr<views::trace::Signal> signal;
782 // Find the channel in the old signals
783 const auto iter = find_if(
784 prev_sigs.cbegin(), prev_sigs.cend(),
785 [&](const shared_ptr<views::trace::Signal> &s) {
786 return s->base()->channel() == channel;
788 if (iter != prev_sigs.end()) {
789 // Copy the signal from the old set to the new
791 trace_view->add_signal(signal);
793 // Find the signalbase for this channel if possible
795 for (const shared_ptr<data::SignalBase> b : signalbases_)
796 if (b->channel() == channel)
799 switch(channel->type()->id()) {
800 case SR_CHANNEL_LOGIC:
802 signalbase = make_shared<data::SignalBase>(channel,
803 data::SignalBase::LogicChannel);
804 signalbases_.insert(signalbase);
806 all_signal_data_.insert(logic_data_);
807 signalbase->set_data(logic_data_);
809 connect(this, SIGNAL(capture_state_changed(int)),
810 signalbase.get(), SLOT(on_capture_state_changed(int)));
813 signal = shared_ptr<views::trace::Signal>(
814 new views::trace::LogicSignal(*this,
815 device_, signalbase));
816 trace_view->add_signal(signal);
819 case SR_CHANNEL_ANALOG:
822 signalbase = make_shared<data::SignalBase>(channel,
823 data::SignalBase::AnalogChannel);
824 signalbases_.insert(signalbase);
826 shared_ptr<data::Analog> data(new data::Analog());
827 all_signal_data_.insert(data);
828 signalbase->set_data(data);
830 connect(this, SIGNAL(capture_state_changed(int)),
831 signalbase.get(), SLOT(on_capture_state_changed(int)));
834 signal = shared_ptr<views::trace::Signal>(
835 new views::trace::AnalogSignal(
837 trace_view->add_signal(signal);
853 shared_ptr<data::SignalBase> Session::signalbase_from_channel(
854 shared_ptr<sigrok::Channel> channel) const
856 for (shared_ptr<data::SignalBase> sig : signalbases_) {
858 if (sig->channel() == channel)
861 return shared_ptr<data::SignalBase>();
864 void Session::sample_thread_proc(function<void (const QString)> error_handler)
866 assert(error_handler);
871 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
873 out_of_memory_ = false;
878 error_handler(e.what());
882 set_capture_state(device_->session()->trigger() ?
883 AwaitingTrigger : Running);
888 error_handler(e.what());
889 set_capture_state(Stopped);
893 set_capture_state(Stopped);
895 // Confirm that SR_DF_END was received
896 if (cur_logic_segment_) {
897 qDebug("SR_DF_END was not received.");
901 // Optimize memory usage
902 free_unused_memory();
904 // We now have unsaved data unless we just "captured" from a file
905 shared_ptr<devices::File> file_device =
906 dynamic_pointer_cast<devices::File>(device_);
912 error_handler(tr("Out of memory, acquisition stopped."));
915 void Session::free_unused_memory()
917 for (shared_ptr<data::SignalData> data : all_signal_data_) {
918 const vector< shared_ptr<data::Segment> > segments = data->segments();
920 for (shared_ptr<data::Segment> segment : segments) {
921 segment->free_unused_memory();
926 void Session::feed_in_header()
928 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
931 void Session::feed_in_meta(shared_ptr<Meta> meta)
933 for (auto entry : meta->config()) {
934 switch (entry.first->id()) {
935 case SR_CONF_SAMPLERATE:
936 // We can't rely on the header to always contain the sample rate,
937 // so in case it's supplied via a meta packet, we use it.
938 if (!cur_samplerate_)
939 cur_samplerate_ = g_variant_get_uint64(entry.second.gobj());
941 /// @todo handle samplerate changes
944 // Unknown metadata is not an error.
952 void Session::feed_in_trigger()
954 // The channel containing most samples should be most accurate
955 uint64_t sample_count = 0;
958 for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
960 uint64_t temp_count = 0;
962 const vector< shared_ptr<pv::data::Segment> > segments =
964 for (const shared_ptr<pv::data::Segment> &s : segments)
965 temp_count += s->get_sample_count();
967 if (temp_count > sample_count)
968 sample_count = temp_count;
972 trigger_event(sample_count / get_samplerate());
975 void Session::feed_in_frame_begin()
977 if (cur_logic_segment_ || !cur_analog_segments_.empty())
981 void Session::feed_in_logic(shared_ptr<Logic> logic)
983 lock_guard<recursive_mutex> lock(data_mutex_);
986 // The only reason logic_data_ would not have been created is
987 // if it was not possible to determine the signals when the
988 // device was created.
992 if (!cur_logic_segment_) {
993 // This could be the first packet after a trigger
994 set_capture_state(Running);
996 // Create a new data segment
997 cur_logic_segment_ = make_shared<data::LogicSegment>(
998 *logic_data_, logic->unit_size(), cur_samplerate_);
999 logic_data_->push_segment(cur_logic_segment_);
1001 // @todo Putting this here means that only listeners querying
1002 // for logic will be notified. Currently the only user of
1003 // frame_began is DecoderStack, but in future we need to signal
1004 // this after both analog and logic sweeps have begun.
1008 cur_logic_segment_->append_payload(logic);
1013 void Session::feed_in_analog(shared_ptr<Analog> analog)
1015 lock_guard<recursive_mutex> lock(data_mutex_);
1017 const vector<shared_ptr<Channel>> channels = analog->channels();
1018 const unsigned int channel_count = channels.size();
1019 const size_t sample_count = analog->num_samples() / channel_count;
1020 bool sweep_beginning = false;
1022 unique_ptr<float> data(new float[analog->num_samples()]);
1023 analog->get_data_as_float(data.get());
1025 if (signalbases_.empty())
1028 float *channel_data = data.get();
1029 for (auto channel : channels) {
1030 shared_ptr<data::AnalogSegment> segment;
1032 // Try to get the segment of the channel
1033 const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >::
1034 iterator iter = cur_analog_segments_.find(channel);
1035 if (iter != cur_analog_segments_.end())
1036 segment = (*iter).second;
1038 // If no segment was found, this means we haven't
1039 // created one yet. i.e. this is the first packet
1040 // in the sweep containing this segment.
1041 sweep_beginning = true;
1043 // Find the analog data associated with the channel
1044 shared_ptr<data::SignalBase> base = signalbase_from_channel(channel);
1047 shared_ptr<data::Analog> data(base->analog_data());
1050 // Create a segment, keep it in the maps of channels
1051 segment = make_shared<data::AnalogSegment>(
1052 *data, cur_samplerate_);
1053 cur_analog_segments_[channel] = segment;
1055 // Push the segment into the analog data.
1056 data->push_segment(segment);
1061 // Append the samples in the segment
1062 segment->append_interleaved_samples(channel_data++, sample_count,
1066 if (sweep_beginning) {
1067 // This could be the first packet after a trigger
1068 set_capture_state(Running);
1074 void Session::data_feed_in(shared_ptr<sigrok::Device> device,
1075 shared_ptr<Packet> packet)
1077 static bool frame_began = false;
1082 assert(device == device_->device());
1085 switch (packet->type()->id()) {
1091 feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload()));
1098 case SR_DF_FRAME_BEGIN:
1099 feed_in_frame_begin();
1105 feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload()));
1106 } catch (bad_alloc) {
1107 out_of_memory_ = true;
1114 feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload()));
1115 } catch (bad_alloc) {
1116 out_of_memory_ = true;
1121 case SR_DF_FRAME_END:
1125 lock_guard<recursive_mutex> lock(data_mutex_);
1126 cur_logic_segment_.reset();
1127 cur_analog_segments_.clear();
1130 frame_began = false;
1140 void Session::on_data_saved()