2 * This file is part of the PulseView project.
4 * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
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/>.
25 #include "logicsegment.hpp"
26 #include "decodesignal.hpp"
27 #include "signaldata.hpp"
29 #include <pv/binding/decoder.hpp>
30 #include <pv/data/decode/decoder.hpp>
31 #include <pv/data/decode/row.hpp>
32 #include <pv/globalsettings.hpp>
33 #include <pv/session.hpp>
35 using std::lock_guard;
37 using std::make_shared;
39 using std::shared_ptr;
40 using std::unique_lock;
41 using pv::data::decode::Annotation;
42 using pv::data::decode::Decoder;
43 using pv::data::decode::Row;
48 const double DecodeSignal::DecodeMargin = 1.0;
49 const double DecodeSignal::DecodeThreshold = 0.2;
50 const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024;
53 DecodeSignal::DecodeSignal(pv::Session &session) :
54 SignalBase(nullptr, SignalBase::DecodeChannel),
56 srd_session_(nullptr),
57 logic_mux_data_invalid_(false),
61 frame_complete_(false)
63 connect(&session_, SIGNAL(capture_state_changed(int)),
64 this, SLOT(on_capture_state_changed(int)));
66 set_name(tr("Empty decoder signal"));
69 DecodeSignal::~DecodeSignal()
74 const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const
79 void DecodeSignal::stack_decoder(const srd_decoder *decoder)
82 stack_.push_back(make_shared<decode::Decoder>(decoder));
84 // Set name if this decoder is the first in the list
85 if (stack_.size() == 1)
86 set_name(QString::fromUtf8(decoder->name));
88 // Include the newly created decode channels in the channel lists
89 update_channel_list();
91 auto_assign_signals();
92 commit_decoder_channels();
96 void DecodeSignal::remove_decoder(int index)
99 assert(index < (int)stack_.size());
101 // Find the decoder in the stack
102 auto iter = stack_.begin();
103 for (int i = 0; i < index; i++, iter++)
104 assert(iter != stack_.end());
106 // Delete the element
109 // Update channels and decoded data
110 update_channel_list();
114 bool DecodeSignal::toggle_decoder_visibility(int index)
116 auto iter = stack_.cbegin();
117 for (int i = 0; i < index; i++, iter++)
118 assert(iter != stack_.end());
120 shared_ptr<Decoder> dec = *iter;
122 // Toggle decoder visibility
125 state = !dec->shown();
132 void DecodeSignal::reset_decode()
134 if (decode_thread_.joinable()) {
135 decode_interrupt_ = true;
136 decode_input_cond_.notify_one();
137 decode_thread_.join();
140 if (logic_mux_thread_.joinable()) {
141 logic_mux_interrupt_ = true;
142 logic_mux_cond_.notify_one();
143 logic_mux_thread_.join();
148 frame_complete_ = false;
149 samples_decoded_ = 0;
150 error_message_ = QString();
155 logic_mux_data_.reset();
156 logic_mux_data_invalid_ = true;
159 void DecodeSignal::begin_decode()
161 if (decode_thread_.joinable()) {
162 decode_interrupt_ = true;
163 decode_input_cond_.notify_one();
164 decode_thread_.join();
167 if (logic_mux_thread_.joinable()) {
168 logic_mux_interrupt_ = true;
169 logic_mux_cond_.notify_one();
170 logic_mux_thread_.join();
175 if (stack_.size() == 0) {
176 error_message_ = tr("No decoders");
180 assert(channels_.size() > 0);
182 if (get_assigned_signal_count() == 0) {
183 error_message_ = tr("There are no channels assigned to this decoder");
187 // Make sure that all assigned channels still provide logic data
188 // (can happen when a converted signal was assigned but the
189 // conversion removed in the meanwhile)
190 for (data::DecodeChannel &ch : channels_)
191 if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr))
192 ch.assigned_signal = nullptr;
194 // Check that all decoders have the required channels
195 for (const shared_ptr<decode::Decoder> &dec : stack_)
196 if (!dec->have_required_channels()) {
197 error_message_ = tr("One or more required channels "
198 "have not been specified");
202 // Add annotation classes
203 for (const shared_ptr<decode::Decoder> &dec : stack_) {
205 const srd_decoder *const decc = dec->decoder();
206 assert(dec->decoder());
208 // Add a row for the decoder if it doesn't have a row list
209 if (!decc->annotation_rows)
210 rows_[Row(decc)] = decode::RowData();
212 // Add the decoder rows
213 for (const GSList *l = decc->annotation_rows; l; l = l->next) {
214 const srd_decoder_annotation_row *const ann_row =
215 (srd_decoder_annotation_row *)l->data;
218 const Row row(decc, ann_row);
220 // Add a new empty row data object
221 rows_[row] = decode::RowData();
223 // Map out all the classes
224 for (const GSList *ll = ann_row->ann_classes;
226 class_rows_[make_pair(decc,
227 GPOINTER_TO_INT(ll->data))] = row;
231 // Free the logic data and its segment(s) if it needs to be updated
232 if (logic_mux_data_invalid_)
233 logic_mux_data_.reset();
235 if (!logic_mux_data_) {
236 const int64_t ch_count = get_assigned_signal_count();
237 const int64_t unit_size = (ch_count + 7) / 8;
238 logic_mux_data_ = make_shared<Logic>(ch_count);
239 segment_ = make_shared<LogicSegment>(*logic_mux_data_, unit_size, samplerate_);
240 logic_mux_data_->push_segment(segment_);
243 // Make sure the logic output data is complete and up-to-date
244 logic_mux_interrupt_ = false;
245 logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this);
247 // Decode the muxed logic data
248 decode_interrupt_ = false;
249 decode_thread_ = std::thread(&DecodeSignal::decode_proc, this);
251 // Receive notifications when new sample data is available
252 connect_input_notifiers();
255 QString DecodeSignal::error_message() const
257 lock_guard<mutex> lock(output_mutex_);
258 return error_message_;
261 const vector<data::DecodeChannel> DecodeSignal::get_channels() const
266 void DecodeSignal::auto_assign_signals()
268 bool new_assignment = false;
270 // Try to auto-select channels that don't have signals assigned yet
271 for (data::DecodeChannel &ch : channels_) {
272 if (ch.assigned_signal)
275 for (shared_ptr<data::SignalBase> s : session_.signalbases()) {
276 const QString ch_name = ch.name.toLower();
277 const QString s_name = s->name().toLower();
279 if (s->logic_data() &&
280 ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) {
281 ch.assigned_signal = s.get();
282 new_assignment = true;
287 if (new_assignment) {
288 logic_mux_data_invalid_ = true;
289 commit_decoder_channels();
294 void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal)
296 for (data::DecodeChannel &ch : channels_)
297 if (ch.id == channel_id) {
298 ch.assigned_signal = signal;
299 logic_mux_data_invalid_ = true;
302 commit_decoder_channels();
307 int DecodeSignal::get_assigned_signal_count() const
309 // Count all channels that have a signal assigned to them
310 return count_if(channels_.begin(), channels_.end(),
311 [](data::DecodeChannel ch) { return ch.assigned_signal; });
314 void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state)
316 for (data::DecodeChannel &ch : channels_)
317 if (ch.id == channel_id)
318 ch.initial_pin_state = init_state;
325 double DecodeSignal::samplerate() const
330 const pv::util::Timestamp& DecodeSignal::start_time() const
335 int64_t DecodeSignal::get_working_sample_count() const
337 // The working sample count is the highest sample number for
338 // which all used signals have data available, so go through
339 // all channels and use the lowest overall sample count of the
342 // TODO Currently, we assume only a single segment exists
344 int64_t count = std::numeric_limits<int64_t>::max();
345 bool no_signals_assigned = true;
347 for (const data::DecodeChannel &ch : channels_)
348 if (ch.assigned_signal) {
349 no_signals_assigned = false;
351 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
352 if (!logic_data || logic_data->logic_segments().empty())
355 const shared_ptr<LogicSegment> segment = logic_data->logic_segments().front();
356 count = min(count, (int64_t)segment->get_sample_count());
359 return (no_signals_assigned ? 0 : count);
362 int64_t DecodeSignal::get_decoded_sample_count() const
364 lock_guard<mutex> decode_lock(output_mutex_);
365 return samples_decoded_;
368 vector<Row> DecodeSignal::visible_rows() const
370 lock_guard<mutex> lock(output_mutex_);
374 for (const shared_ptr<decode::Decoder> &dec : stack_) {
379 const srd_decoder *const decc = dec->decoder();
380 assert(dec->decoder());
382 // Add a row for the decoder if it doesn't have a row list
383 if (!decc->annotation_rows)
384 rows.emplace_back(decc);
386 // Add the decoder rows
387 for (const GSList *l = decc->annotation_rows; l; l = l->next) {
388 const srd_decoder_annotation_row *const ann_row =
389 (srd_decoder_annotation_row *)l->data;
391 rows.emplace_back(decc, ann_row);
398 void DecodeSignal::get_annotation_subset(
399 vector<pv::data::decode::Annotation> &dest,
400 const decode::Row &row, uint64_t start_sample,
401 uint64_t end_sample) const
403 lock_guard<mutex> lock(output_mutex_);
405 const auto iter = rows_.find(row);
406 if (iter != rows_.end())
407 (*iter).second.get_annotation_subset(dest,
408 start_sample, end_sample);
411 void DecodeSignal::save_settings(QSettings &settings) const
413 SignalBase::save_settings(settings);
415 settings.setValue("decoders", (int)(stack_.size()));
417 // Save decoder stack
419 for (shared_ptr<decode::Decoder> decoder : stack_) {
420 settings.beginGroup("decoder" + QString::number(decoder_idx++));
422 settings.setValue("id", decoder->decoder()->id);
424 // Save decoder options
425 const map<string, GVariant*>& options = decoder->options();
427 settings.setValue("options", (int)options.size());
429 // Note: decode::Decoder::options() returns only the options
430 // that differ from the default. See binding::Decoder::getter()
432 for (auto option : options) {
433 settings.beginGroup("option" + QString::number(i));
434 settings.setValue("name", QString::fromStdString(option.first));
435 GlobalSettings::store_gvariant(settings, option.second);
443 // Save channel mapping
444 settings.setValue("channels", (int)channels_.size());
446 for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) {
447 auto channel = find_if(channels_.begin(), channels_.end(),
448 [&](data::DecodeChannel ch) { return ch.id == channel_id; });
450 if (channel == channels_.end()) {
451 qDebug() << "ERROR: Gap in channel index:" << channel_id;
455 settings.beginGroup("channel" + QString::number(channel_id));
457 settings.setValue("name", channel->name); // Useful for debugging
458 settings.setValue("initial_pin_state", channel->initial_pin_state);
460 if (channel->assigned_signal)
461 settings.setValue("assigned_signal_name", channel->assigned_signal->name());
467 void DecodeSignal::restore_settings(QSettings &settings)
469 SignalBase::restore_settings(settings);
471 // Restore decoder stack
472 GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list());
474 int decoders = settings.value("decoders").toInt();
476 for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) {
477 settings.beginGroup("decoder" + QString::number(decoder_idx));
479 QString id = settings.value("id").toString();
481 for (GSList *entry = dec_list; entry; entry = entry->next) {
482 const srd_decoder *dec = (srd_decoder*)entry->data;
486 if (QString::fromUtf8(dec->id) == id) {
487 shared_ptr<decode::Decoder> decoder =
488 make_shared<decode::Decoder>(dec);
490 stack_.push_back(decoder);
492 // Restore decoder options that differ from their default
493 int options = settings.value("options").toInt();
495 for (int i = 0; i < options; i++) {
496 settings.beginGroup("option" + QString::number(i));
497 QString name = settings.value("name").toString();
498 GVariant *value = GlobalSettings::restore_gvariant(settings);
499 decoder->set_option(name.toUtf8(), value);
503 // Include the newly created decode channels in the channel lists
504 update_channel_list();
512 // Restore channel mapping
513 unsigned int channels = settings.value("channels").toInt();
515 const unordered_set< shared_ptr<data::SignalBase> > signalbases =
516 session_.signalbases();
518 for (unsigned int channel_id = 0; channel_id < channels; channel_id++) {
519 auto channel = find_if(channels_.begin(), channels_.end(),
520 [&](data::DecodeChannel ch) { return ch.id == channel_id; });
522 if (channel == channels_.end()) {
523 qDebug() << "ERROR: Non-existant channel index:" << channel_id;
527 settings.beginGroup("channel" + QString::number(channel_id));
529 QString assigned_signal_name = settings.value("assigned_signal_name").toString();
531 for (shared_ptr<data::SignalBase> signal : signalbases)
532 if (signal->name() == assigned_signal_name)
533 channel->assigned_signal = signal.get();
535 channel->initial_pin_state = settings.value("initial_pin_state").toInt();
543 void DecodeSignal::update_channel_list()
545 vector<data::DecodeChannel> prev_channels = channels_;
550 // Copy existing entries, create new as needed
551 for (shared_ptr<Decoder> decoder : stack_) {
552 const srd_decoder* srd_d = decoder->decoder();
555 // Mandatory channels
556 for (l = srd_d->channels; l; l = l->next) {
557 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
558 bool ch_added = false;
560 // Copy but update ID if this channel was in the list before
561 for (data::DecodeChannel &ch : prev_channels)
562 if (ch.pdch_ == pdch) {
564 channels_.push_back(ch);
570 // Create new entry without a mapped signal
571 data::DecodeChannel ch = {id++, false, nullptr,
572 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
573 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
574 channels_.push_back(ch);
579 for (l = srd_d->opt_channels; l; l = l->next) {
580 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
581 bool ch_added = false;
583 // Copy but update ID if this channel was in the list before
584 for (data::DecodeChannel &ch : prev_channels)
585 if (ch.pdch_ == pdch) {
587 channels_.push_back(ch);
593 // Create new entry without a mapped signal
594 data::DecodeChannel ch = {id++, true, nullptr,
595 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
596 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
597 channels_.push_back(ch);
602 // Invalidate the logic output data if the channel assignment changed
603 if (prev_channels.size() != channels_.size()) {
604 // The number of channels changed, there's definitely a difference
605 logic_mux_data_invalid_ = true;
607 // Same number but assignment may still differ, so compare all channels
608 for (size_t i = 0; i < channels_.size(); i++) {
609 const data::DecodeChannel &p_ch = prev_channels[i];
610 const data::DecodeChannel &ch = channels_[i];
612 if ((p_ch.pdch_ != ch.pdch_) ||
613 (p_ch.assigned_signal != ch.assigned_signal)) {
614 logic_mux_data_invalid_ = true;
624 void DecodeSignal::commit_decoder_channels()
626 // Submit channel list to every decoder, containing only the relevant channels
627 for (shared_ptr<decode::Decoder> dec : stack_) {
628 vector<data::DecodeChannel*> channel_list;
630 for (data::DecodeChannel &ch : channels_)
631 if (ch.decoder_ == dec)
632 channel_list.push_back(&ch);
634 dec->set_channels(channel_list);
638 void DecodeSignal::mux_logic_samples(const int64_t start, const int64_t end)
640 // Enforce end to be greater than start
644 // Fetch all segments and their data
645 // TODO Currently, we assume only a single segment exists
646 vector<shared_ptr<LogicSegment> > segments;
647 vector<const uint8_t*> signal_data;
648 vector<uint8_t> signal_in_bytepos;
649 vector<uint8_t> signal_in_bitpos;
651 for (data::DecodeChannel &ch : channels_)
652 if (ch.assigned_signal) {
653 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
654 const shared_ptr<LogicSegment> segment = logic_data->logic_segments().front();
655 segments.push_back(segment);
657 uint8_t* data = new uint8_t[(end - start) * segment->unit_size()];
658 segment->get_samples(start, end, data);
659 signal_data.push_back(data);
661 const int bitpos = ch.assigned_signal->logic_bit_index();
662 signal_in_bytepos.push_back(bitpos / 8);
663 signal_in_bitpos.push_back(bitpos % 8);
666 // Perform the muxing of signal data into the output data
667 uint8_t* output = new uint8_t[(end - start) * segment_->unit_size()];
668 unsigned int signal_count = signal_data.size();
670 for (int64_t sample_cnt = 0; sample_cnt < (end - start); sample_cnt++) {
674 const int out_sample_pos = sample_cnt * segment_->unit_size();
675 for (unsigned int i = 0; i < segment_->unit_size(); i++)
676 output[out_sample_pos + i] = 0;
678 for (unsigned int i = 0; i < signal_count; i++) {
679 const int in_sample_pos = sample_cnt * segments[i]->unit_size();
680 const uint8_t in_sample = 1 &
681 ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i]));
683 const uint8_t out_sample = output[out_sample_pos + bytepos];
685 output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos);
695 segment_->append_payload(output, (end - start) * segment_->unit_size());
698 for (const uint8_t* data : signal_data)
702 void DecodeSignal::logic_mux_proc()
705 const uint64_t input_sample_count = get_working_sample_count();
706 const uint64_t output_sample_count = segment_->get_sample_count();
708 const uint64_t samples_to_process =
709 (input_sample_count > output_sample_count) ?
710 (input_sample_count - output_sample_count) : 0;
712 // Process the samples if necessary...
713 if (samples_to_process > 0) {
714 const uint64_t unit_size = segment_->unit_size();
715 const uint64_t chunk_sample_count = DecodeChunkLength / unit_size;
717 uint64_t processed_samples = 0;
719 const uint64_t start_sample = output_sample_count + processed_samples;
720 const uint64_t sample_count =
721 min(samples_to_process - processed_samples, chunk_sample_count);
723 mux_logic_samples(start_sample, start_sample + sample_count);
724 processed_samples += sample_count;
726 // ...and process the newly muxed logic data
727 decode_input_cond_.notify_one();
728 } while (processed_samples < samples_to_process);
731 if (samples_to_process == 0) {
732 // Wait for more input
733 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
734 logic_mux_cond_.wait(logic_mux_lock);
736 } while (!logic_mux_interrupt_);
738 // No more input data and session is stopped, let the decode thread
739 // process any pending data, terminate and release the global SRD mutex
740 // in order to let other decoders run
741 decode_input_cond_.notify_one();
744 void DecodeSignal::query_input_metadata()
746 // Update the samplerate and start time because we cannot start
747 // the libsrd session without the current samplerate
749 // TODO Currently we assume all channels have the same sample rate
751 bool samplerate_valid = false;
752 data::DecodeChannel *any_channel;
753 shared_ptr<Logic> logic_data;
756 any_channel = &(*find_if(channels_.begin(), channels_.end(),
757 [](data::DecodeChannel ch) { return ch.assigned_signal; }));
759 logic_data = any_channel->assigned_signal->logic_data();
762 // Wait until input data is available or an interrupt was requested
763 unique_lock<mutex> input_wait_lock(input_mutex_);
764 decode_input_cond_.wait(input_wait_lock);
766 } while (!logic_data && !decode_interrupt_);
768 if (decode_interrupt_)
772 if (!logic_data->logic_segments().empty()) {
773 shared_ptr<LogicSegment> first_segment =
774 any_channel->assigned_signal->logic_data()->logic_segments().front();
775 start_time_ = first_segment->start_time();
776 samplerate_ = first_segment->samplerate();
778 samplerate_valid = true;
781 if (!samplerate_valid) {
782 // Wait until input data is available or an interrupt was requested
783 unique_lock<mutex> input_wait_lock(input_mutex_);
784 decode_input_cond_.wait(input_wait_lock);
786 } while (!samplerate_valid && !decode_interrupt_);
789 void DecodeSignal::decode_data(
790 const int64_t abs_start_samplenum, const int64_t sample_count)
792 const int64_t unit_size = segment_->unit_size();
793 const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
795 for (int64_t i = abs_start_samplenum;
796 !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
797 i += chunk_sample_count) {
799 const int64_t chunk_end = min(i + chunk_sample_count,
800 abs_start_samplenum + sample_count);
802 int64_t data_size = (chunk_end - i) * unit_size;
803 uint8_t* chunk = new uint8_t[data_size];
804 segment_->get_samples(i, chunk_end, chunk);
806 if (srd_session_send(srd_session_, i, chunk_end, chunk,
807 data_size, unit_size) != SRD_OK) {
808 error_message_ = tr("Decoder reported an error");
816 lock_guard<mutex> lock(output_mutex_);
817 samples_decoded_ = chunk_end;
820 // Notify the frontend that we processed some data and
821 // possibly have new annotations as well
826 void DecodeSignal::decode_proc()
828 query_input_metadata();
830 if (decode_interrupt_)
835 uint64_t sample_count;
836 uint64_t abs_start_samplenum = 0;
838 // Keep processing new samples until we exhaust the input data
840 lock_guard<mutex> input_lock(input_mutex_);
841 sample_count = segment_->get_sample_count() - abs_start_samplenum;
843 if (sample_count > 0) {
844 decode_data(abs_start_samplenum, sample_count);
845 abs_start_samplenum += sample_count;
847 } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_);
849 if (error_message_.isEmpty() && !decode_interrupt_) {
850 if (sample_count == 0)
853 // Wait for new input data or an interrupt was requested
854 unique_lock<mutex> input_wait_lock(input_mutex_);
855 decode_input_cond_.wait(input_wait_lock);
857 } while (error_message_.isEmpty() && !decode_interrupt_);
860 void DecodeSignal::start_srd_session()
865 // Create the session
866 srd_session_new(&srd_session_);
867 assert(srd_session_);
869 // Create the decoders
870 srd_decoder_inst *prev_di = nullptr;
871 for (const shared_ptr<decode::Decoder> &dec : stack_) {
872 srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_);
875 error_message_ = tr("Failed to create decoder instance");
876 srd_session_destroy(srd_session_);
881 srd_inst_stack(srd_session_, prev_di, di);
887 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
888 g_variant_new_uint64(samplerate_));
890 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
891 DecodeSignal::annotation_callback, this);
893 srd_session_start(srd_session_);
896 void DecodeSignal::stop_srd_session()
899 // Destroy the session
900 srd_session_destroy(srd_session_);
901 srd_session_ = nullptr;
905 void DecodeSignal::connect_input_notifiers()
907 // Disconnect the notification slot from the previous set of signals
908 disconnect(this, SLOT(on_data_cleared()));
909 disconnect(this, SLOT(on_data_received()));
911 // Connect the currently used signals to our slot
912 for (data::DecodeChannel &ch : channels_) {
913 if (!ch.assigned_signal)
916 const data::SignalBase *signal = ch.assigned_signal;
917 connect(signal, SIGNAL(samples_cleared()),
918 this, SLOT(on_data_cleared()));
919 connect(signal, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
920 this, SLOT(on_data_received()));
924 void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal)
929 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
932 lock_guard<mutex> lock(ds->output_mutex_);
934 const decode::Annotation a(pdata);
938 assert(pdata->pdo->di);
939 const srd_decoder *const decc = pdata->pdo->di->decoder;
942 auto row_iter = ds->rows_.end();
944 // Try looking up the sub-row of this class
945 const auto r = ds->class_rows_.find(make_pair(decc, a.format()));
946 if (r != ds->class_rows_.end())
947 row_iter = ds->rows_.find((*r).second);
949 // Failing that, use the decoder as a key
950 row_iter = ds->rows_.find(Row(decc));
953 assert(row_iter != ds->rows_.end());
954 if (row_iter == ds->rows_.end()) {
955 qDebug() << "Unexpected annotation: decoder = " << decc <<
956 ", format = " << a.format();
961 // Add the annotation
962 (*row_iter).second.push_annotation(a);
965 void DecodeSignal::on_capture_state_changed(int state)
967 // If a new acquisition was started, we need to start decoding from scratch
968 if (state == Session::Running)
972 void DecodeSignal::on_data_cleared()
977 void DecodeSignal::on_data_received()
979 if (!logic_mux_thread_.joinable())
982 logic_mux_cond_.notify_one();