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/>.
21 #include <forward_list>
27 #include "logicsegment.hpp"
28 #include "decodesignal.hpp"
29 #include "signaldata.hpp"
31 #include <pv/data/decode/decoder.hpp>
32 #include <pv/data/decode/row.hpp>
33 #include <pv/globalsettings.hpp>
34 #include <pv/session.hpp>
36 using std::dynamic_pointer_cast;
37 using std::lock_guard;
38 using std::make_shared;
40 using std::out_of_range;
41 using std::shared_ptr;
42 using std::unique_lock;
43 using pv::data::decode::AnnotationClass;
44 using pv::data::decode::DecodeChannel;
49 const double DecodeSignal::DecodeMargin = 1.0;
50 const double DecodeSignal::DecodeThreshold = 0.2;
51 const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024;
54 DecodeSignal::DecodeSignal(pv::Session &session) :
55 SignalBase(nullptr, SignalBase::DecodeChannel),
57 srd_session_(nullptr),
58 logic_mux_data_invalid_(false),
59 stack_config_changed_(true),
60 current_segment_id_(0)
62 connect(&session_, SIGNAL(capture_state_changed(int)),
63 this, SLOT(on_capture_state_changed(int)));
66 DecodeSignal::~DecodeSignal()
71 const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const
76 void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode)
80 // Set name if this decoder is the first in the list or the name is unchanged
81 const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder();
82 const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString();
84 if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name)))
85 set_name(QString::fromUtf8(decoder->name));
87 const shared_ptr<Decoder> dec = make_shared<Decoder>(decoder, stack_.size());
88 stack_.push_back(dec);
90 connect(dec.get(), SIGNAL(annotation_visibility_changed()),
91 this, SLOT(on_annotation_visibility_changed()));
93 // Include the newly created decode channels in the channel lists
94 update_channel_list();
96 stack_config_changed_ = true;
97 auto_assign_signals(dec);
98 commit_decoder_channels();
99 update_output_signals();
101 decoder_stacked((void*)dec.get());
107 void DecodeSignal::remove_decoder(int index)
110 assert(index < (int)stack_.size());
112 // Find the decoder in the stack
113 auto iter = stack_.begin() + index;
114 assert(iter != stack_.end());
116 shared_ptr<Decoder> dec = *iter;
118 decoder_removed(dec.get());
120 // Delete the element
123 // Update channels and decoded data
124 stack_config_changed_ = true;
125 update_channel_list();
129 bool DecodeSignal::toggle_decoder_visibility(int index)
131 auto iter = stack_.cbegin();
132 for (int i = 0; i < index; i++, iter++)
133 assert(iter != stack_.end());
135 shared_ptr<Decoder> dec = *iter;
137 // Toggle decoder visibility
140 state = !dec->visible();
141 dec->set_visible(state);
147 void DecodeSignal::reset_decode(bool shutting_down)
149 resume_decode(); // Make sure the decode thread isn't blocked by pausing
151 if (stack_config_changed_ || shutting_down)
154 terminate_srd_session();
156 if (decode_thread_.joinable()) {
157 decode_interrupt_ = true;
158 decode_input_cond_.notify_one();
159 decode_thread_.join();
162 if (logic_mux_thread_.joinable()) {
163 logic_mux_interrupt_ = true;
164 logic_mux_cond_.notify_one();
165 logic_mux_thread_.join();
168 current_segment_id_ = 0;
171 for (const shared_ptr<decode::Decoder>& dec : stack_)
172 if (dec->has_logic_output())
173 output_logic_[dec->get_srd_decoder()]->clear();
175 logic_mux_data_.reset();
176 logic_mux_data_invalid_ = true;
178 if (!error_message_.isEmpty()) {
179 error_message_.clear();
180 // TODO Emulate noquote()
181 qDebug().nospace() << name() << ": Error cleared";
187 void DecodeSignal::begin_decode()
189 if (decode_thread_.joinable()) {
190 decode_interrupt_ = true;
191 decode_input_cond_.notify_one();
192 decode_thread_.join();
195 if (logic_mux_thread_.joinable()) {
196 logic_mux_interrupt_ = true;
197 logic_mux_cond_.notify_one();
198 logic_mux_thread_.join();
203 if (stack_.size() == 0) {
204 set_error_message(tr("No decoders"));
208 assert(channels_.size() > 0);
210 if (get_assigned_signal_count() == 0) {
211 set_error_message(tr("There are no channels assigned to this decoder"));
215 // Make sure that all assigned channels still provide logic data
216 // (can happen when a converted signal was assigned but the
217 // conversion removed in the meanwhile)
218 for (decode::DecodeChannel& ch : channels_)
219 if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr))
220 ch.assigned_signal = nullptr;
222 // Check that all decoders have the required channels
223 for (const shared_ptr<Decoder>& dec : stack_)
224 if (!dec->have_required_channels()) {
225 set_error_message(tr("One or more required channels "
226 "have not been specified"));
230 // Free the logic data and its segment(s) if it needs to be updated
231 if (logic_mux_data_invalid_)
232 logic_mux_data_.reset();
234 if (!logic_mux_data_) {
235 const uint32_t ch_count = get_assigned_signal_count();
236 logic_mux_unit_size_ = (ch_count + 7) / 8;
237 logic_mux_data_ = make_shared<Logic>(ch_count);
240 if (get_input_segment_count() == 0)
241 set_error_message(tr("No input data"));
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);
252 void DecodeSignal::pause_decode()
254 decode_paused_ = true;
257 void DecodeSignal::resume_decode()
259 // Manual unlocking is done before notifying, to avoid waking up the
260 // waiting thread only to block again (see notify_one for details)
261 decode_pause_mutex_.unlock();
262 decode_pause_cond_.notify_one();
263 decode_paused_ = false;
266 bool DecodeSignal::is_paused() const
268 return decode_paused_;
271 const vector<decode::DecodeChannel> DecodeSignal::get_channels() const
276 void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec)
278 bool new_assignment = false;
280 // Disconnect all input signal notifications so we don't have duplicate connections
281 disconnect_input_notifiers();
283 // Try to auto-select channels that don't have signals assigned yet
284 for (decode::DecodeChannel& ch : channels_) {
285 // If a decoder is given, auto-assign only its channels
286 if (dec && (ch.decoder_ != dec))
289 if (ch.assigned_signal)
292 QString ch_name = ch.name.toLower();
293 ch_name = ch_name.replace(QRegExp("[-_.]"), " ");
295 shared_ptr<data::SignalBase> match;
296 for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) {
300 QString s_name = s->name().toLower();
301 s_name = s_name.replace(QRegExp("[-_.]"), " ");
303 if (s->logic_data() &&
304 ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) {
308 // Only replace an existing match if it matches more characters
309 int old_unmatched = ch_name.length() - match->name().length();
310 int new_unmatched = ch_name.length() - s->name().length();
311 if (abs(new_unmatched) < abs(old_unmatched))
317 // Prevent using a signal more than once as D1 would match e.g. D1 and D10
318 bool signal_not_already_used = true;
319 for (decode::DecodeChannel& ch : channels_)
320 if (ch.assigned_signal && (ch.assigned_signal == match))
321 signal_not_already_used = false;
323 if (match && signal_not_already_used) {
324 ch.assigned_signal = match;
325 new_assignment = true;
329 if (new_assignment) {
330 // Receive notifications when new sample data is available
331 connect_input_notifiers();
333 logic_mux_data_invalid_ = true;
334 stack_config_changed_ = true;
335 commit_decoder_channels();
340 void DecodeSignal::assign_signal(const uint16_t channel_id, shared_ptr<const SignalBase> signal)
342 // Disconnect all input signal notifications so we don't have duplicate connections
343 disconnect_input_notifiers();
345 for (decode::DecodeChannel& ch : channels_)
346 if (ch.id == channel_id) {
347 ch.assigned_signal = signal;
348 logic_mux_data_invalid_ = true;
351 // Receive notifications when new sample data is available
352 connect_input_notifiers();
354 stack_config_changed_ = true;
355 commit_decoder_channels();
360 int DecodeSignal::get_assigned_signal_count() const
362 // Count all channels that have a signal assigned to them
363 return count_if(channels_.begin(), channels_.end(),
364 [](decode::DecodeChannel ch) { return ch.assigned_signal.get(); });
367 void DecodeSignal::update_output_signals()
369 for (const shared_ptr<decode::Decoder>& dec : stack_) {
372 if (dec->has_logic_output()) {
373 const vector<decode::DecoderLogicOutputChannel> logic_channels =
374 dec->logic_output_channels();
376 // All signals of a decoder share the same LogicSegment, so it's
377 // sufficient to check for only the first channel
378 const decode::DecoderLogicOutputChannel& first_ch = logic_channels[0];
380 bool ch_exists = false;
381 for (const shared_ptr<SignalBase>& signal : output_signals_)
382 if (signal->internal_name() == first_ch.id)
386 shared_ptr<Logic> logic_data = make_shared<Logic>(logic_channels.size());
387 logic_data->set_samplerate(get_samplerate());
388 output_logic_[dec->get_srd_decoder()] = logic_data;
389 output_logic_muxed_data_[dec->get_srd_decoder()] = vector<uint8_t>();
391 shared_ptr<LogicSegment> logic_segment = make_shared<data::LogicSegment>(
392 *logic_data, 0, (logic_data->num_channels() + 7) / 8, get_samplerate());
393 logic_data->push_segment(logic_segment);
396 for (const decode::DecoderLogicOutputChannel& logic_ch : logic_channels) {
397 shared_ptr<data::SignalBase> signal =
398 make_shared<data::SignalBase>(nullptr, LogicChannel);
399 signal->set_internal_name(logic_ch.id);
400 signal->set_name(logic_ch.id);
401 signal->set_index(index);
402 signal->set_data(logic_data);
403 output_signals_.push_back(signal);
404 session_.add_generated_signal(signal);
408 shared_ptr<Logic> logic_data = output_logic_[dec->get_srd_decoder()];
409 logic_data->set_samplerate(get_samplerate());
410 for (shared_ptr<LogicSegment>& segment : logic_data->logic_segments())
411 segment->set_samplerate(get_samplerate());
416 // TODO Delete signals that no longer have a corresponding decoder (also from session)
417 // TODO Assert that all sample rates are the same as the session's
418 // TODO Set colors to the same as the decoder's background color
421 void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state)
423 for (decode::DecodeChannel& ch : channels_)
424 if (ch.id == channel_id)
425 ch.initial_pin_state = init_state;
427 stack_config_changed_ = true;
432 double DecodeSignal::get_samplerate() const
436 // TODO For now, we simply return the first samplerate that we have
437 if (segments_.size() > 0)
438 result = segments_.front().samplerate;
443 const pv::util::Timestamp DecodeSignal::start_time() const
445 pv::util::Timestamp result;
447 // TODO For now, we simply return the first start time that we have
448 if (segments_.size() > 0)
449 result = segments_.front().start_time;
454 int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const
456 // The working sample count is the highest sample number for
457 // which all used signals have data available, so go through all
458 // channels and use the lowest overall sample count of the segment
460 int64_t count = std::numeric_limits<int64_t>::max();
461 bool no_signals_assigned = true;
463 for (const decode::DecodeChannel& ch : channels_)
464 if (ch.assigned_signal) {
465 if (!ch.assigned_signal->logic_data())
468 no_signals_assigned = false;
470 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
471 if (logic_data->logic_segments().empty())
474 if (segment_id >= logic_data->logic_segments().size())
477 const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
479 count = min(count, (int64_t)segment->get_sample_count());
482 return (no_signals_assigned ? 0 : count);
485 int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id,
486 bool include_processing) const
488 lock_guard<mutex> decode_lock(output_mutex_);
492 if (segment_id >= segments_.size())
495 if (include_processing)
496 result = segments_[segment_id].samples_decoded_incl;
498 result = segments_[segment_id].samples_decoded_excl;
503 vector<Row*> DecodeSignal::get_rows(bool visible_only)
507 for (const shared_ptr<Decoder>& dec : stack_) {
509 if (visible_only && !dec->visible())
512 for (Row* row : dec->get_rows())
519 vector<const Row*> DecodeSignal::get_rows(bool visible_only) const
521 vector<const Row*> rows;
523 for (const shared_ptr<Decoder>& dec : stack_) {
525 if (visible_only && !dec->visible())
528 for (const Row* row : dec->get_rows())
535 uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const
537 if (segment_id >= segments_.size())
540 const DecodeSegment* segment = &(segments_.at(segment_id));
542 auto row_it = segment->annotation_rows.find(row);
545 if (row_it == segment->annotation_rows.end())
548 rd = &(row_it->second);
550 return rd->get_annotation_count();
553 void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest,
554 const Row* row, uint32_t segment_id, uint64_t start_sample,
555 uint64_t end_sample) const
557 lock_guard<mutex> lock(output_mutex_);
559 if (segment_id >= segments_.size())
562 const DecodeSegment* segment = &(segments_.at(segment_id));
564 auto row_it = segment->annotation_rows.find(row);
567 if (row_it == segment->annotation_rows.end())
570 rd = &(row_it->second);
572 rd->get_annotation_subset(dest, start_sample, end_sample);
575 void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest,
576 uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
578 for (const Row* row : get_rows())
579 get_annotation_subset(dest, row, segment_id, start_sample, end_sample);
582 uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id,
583 const Decoder* dec, uint32_t bin_class_id) const
585 if ((segments_.size() == 0) || (segment_id >= segments_.size()))
588 const DecodeSegment *segment = &(segments_[segment_id]);
590 for (const DecodeBinaryClass& bc : segment->binary_classes)
591 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
592 return bc.chunks.size();
597 void DecodeSignal::get_binary_data_chunk(uint32_t segment_id,
598 const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id,
599 const vector<uint8_t> **dest, uint64_t *size)
601 if (segment_id >= segments_.size())
604 const DecodeSegment *segment = &(segments_[segment_id]);
606 for (const DecodeBinaryClass& bc : segment->binary_classes)
607 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) {
608 if (dest) *dest = &(bc.chunks.at(chunk_id).data);
609 if (size) *size = bc.chunks.at(chunk_id).data.size();
614 void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id,
615 const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample,
616 uint64_t end_sample, vector<uint8_t> *dest) const
618 assert(dest != nullptr);
620 if (segment_id >= segments_.size())
623 const DecodeSegment *segment = &(segments_[segment_id]);
625 const DecodeBinaryClass* bin_class = nullptr;
626 for (const DecodeBinaryClass& bc : segment->binary_classes)
627 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
630 // Determine overall size before copying to resize dest vector only once
632 uint64_t matches = 0;
633 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
634 if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
635 size += chunk.data.size();
641 uint64_t matches2 = 0;
642 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
643 if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
644 memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size());
645 offset += chunk.data.size();
648 // Make sure we don't overwrite memory if the array grew in the meanwhile
649 if (matches2 == matches)
654 void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id,
655 const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end,
656 vector<uint8_t> *dest) const
658 assert(dest != nullptr);
660 if (segment_id >= segments_.size())
663 const DecodeSegment *segment = &(segments_[segment_id]);
665 const DecodeBinaryClass* bin_class = nullptr;
666 for (const DecodeBinaryClass& bc : segment->binary_classes)
667 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
670 // Determine overall size before copying to resize dest vector only once
673 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
675 size += chunk.data.size();
676 offset += chunk.data.size();
683 uint64_t dest_offset = 0;
684 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
685 if (offset >= start) {
686 memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size());
687 dest_offset += chunk.data.size();
689 offset += chunk.data.size();
695 const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id,
696 const Decoder* dec, uint32_t bin_class_id) const
698 if (segment_id >= segments_.size())
701 const DecodeSegment *segment = &(segments_[segment_id]);
703 for (const DecodeBinaryClass& bc : segment->binary_classes)
704 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
710 const deque<const Annotation*>* DecodeSignal::get_all_annotations_by_segment(
711 uint32_t segment_id) const
713 if (segment_id >= segments_.size())
716 const DecodeSegment *segment = &(segments_[segment_id]);
718 return &(segment->all_annotations);
721 void DecodeSignal::save_settings(QSettings &settings) const
723 SignalBase::save_settings(settings);
725 settings.setValue("decoders", (int)(stack_.size()));
727 // Save decoder stack
729 for (const shared_ptr<Decoder>& decoder : stack_) {
730 settings.beginGroup("decoder" + QString::number(decoder_idx++));
732 settings.setValue("id", decoder->get_srd_decoder()->id);
733 settings.setValue("visible", decoder->visible());
735 // Save decoder options
736 const map<string, GVariant*>& options = decoder->options();
738 settings.setValue("options", (int)options.size());
740 // Note: Decoder::options() returns only the options
741 // that differ from the default. See binding::Decoder::getter()
743 for (auto& option : options) {
744 settings.beginGroup("option" + QString::number(i));
745 settings.setValue("name", QString::fromStdString(option.first));
746 GlobalSettings::store_gvariant(settings, option.second);
751 // Save row properties
753 for (const Row* row : decoder->get_rows()) {
754 settings.beginGroup("row" + QString::number(i));
755 settings.setValue("visible", row->visible());
760 // Save class properties
762 for (const AnnotationClass* ann_class : decoder->ann_classes()) {
763 settings.beginGroup("ann_class" + QString::number(i));
764 settings.setValue("visible", ann_class->visible());
772 // Save channel mapping
773 settings.setValue("channels", (int)channels_.size());
775 for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) {
776 auto channel = find_if(channels_.begin(), channels_.end(),
777 [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
779 if (channel == channels_.end()) {
780 qDebug() << "ERROR: Gap in channel index:" << channel_id;
784 settings.beginGroup("channel" + QString::number(channel_id));
786 settings.setValue("name", channel->name); // Useful for debugging
787 settings.setValue("initial_pin_state", channel->initial_pin_state);
789 if (channel->assigned_signal)
790 settings.setValue("assigned_signal_name", channel->assigned_signal->name());
795 // TODO Save logic output signal settings
798 void DecodeSignal::restore_settings(QSettings &settings)
800 SignalBase::restore_settings(settings);
802 // Restore decoder stack
803 GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list());
805 int decoders = settings.value("decoders").toInt();
807 for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) {
808 settings.beginGroup("decoder" + QString::number(decoder_idx));
810 QString id = settings.value("id").toString();
812 for (GSList *entry = dec_list; entry; entry = entry->next) {
813 const srd_decoder *dec = (srd_decoder*)entry->data;
817 if (QString::fromUtf8(dec->id) == id) {
818 shared_ptr<Decoder> decoder = make_shared<Decoder>(dec, stack_.size());
820 connect(decoder.get(), SIGNAL(annotation_visibility_changed()),
821 this, SLOT(on_annotation_visibility_changed()));
823 stack_.push_back(decoder);
824 decoder->set_visible(settings.value("visible", true).toBool());
826 // Restore decoder options that differ from their default
827 int options = settings.value("options").toInt();
829 for (int i = 0; i < options; i++) {
830 settings.beginGroup("option" + QString::number(i));
831 QString name = settings.value("name").toString();
832 GVariant *value = GlobalSettings::restore_gvariant(settings);
833 decoder->set_option(name.toUtf8(), value);
837 // Include the newly created decode channels in the channel lists
838 update_channel_list();
840 // Restore row properties
842 for (Row* row : decoder->get_rows()) {
843 settings.beginGroup("row" + QString::number(i));
844 row->set_visible(settings.value("visible", true).toBool());
849 // Restore class properties
851 for (AnnotationClass* ann_class : decoder->ann_classes()) {
852 settings.beginGroup("ann_class" + QString::number(i));
853 ann_class->set_visible(settings.value("visible", true).toBool());
866 // Restore channel mapping
867 unsigned int channels = settings.value("channels").toInt();
869 const vector< shared_ptr<data::SignalBase> > signalbases =
870 session_.signalbases();
872 for (unsigned int channel_id = 0; channel_id < channels; channel_id++) {
873 auto channel = find_if(channels_.begin(), channels_.end(),
874 [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
876 if (channel == channels_.end()) {
877 qDebug() << "ERROR: Non-existant channel index:" << channel_id;
881 settings.beginGroup("channel" + QString::number(channel_id));
883 QString assigned_signal_name = settings.value("assigned_signal_name").toString();
885 for (const shared_ptr<data::SignalBase>& signal : signalbases)
886 if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel))
887 channel->assigned_signal = signal;
889 channel->initial_pin_state = settings.value("initial_pin_state").toInt();
894 connect_input_notifiers();
896 // Update the internal structures
897 stack_config_changed_ = true;
898 update_channel_list();
899 commit_decoder_channels();
900 update_output_signals();
902 // TODO Restore logic output signal settings
907 bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const
909 bool all_complete = true;
911 for (const decode::DecodeChannel& ch : channels_)
912 if (ch.assigned_signal) {
913 if (!ch.assigned_signal->logic_data())
916 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
917 if (logic_data->logic_segments().empty())
920 if (segment_id >= logic_data->logic_segments().size())
923 const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
924 if (segment && !segment->is_complete())
925 all_complete = false;
931 uint32_t DecodeSignal::get_input_segment_count() const
933 uint64_t count = std::numeric_limits<uint64_t>::max();
934 bool no_signals_assigned = true;
936 for (const decode::DecodeChannel& ch : channels_)
937 if (ch.assigned_signal) {
938 no_signals_assigned = false;
940 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
941 if (!logic_data || logic_data->logic_segments().empty())
944 // Find the min value of all segment counts
945 if ((uint64_t)(logic_data->logic_segments().size()) < count)
946 count = logic_data->logic_segments().size();
949 return (no_signals_assigned ? 0 : count);
952 double DecodeSignal::get_input_samplerate(uint32_t segment_id) const
954 double samplerate = 0;
956 for (const decode::DecodeChannel& ch : channels_)
957 if (ch.assigned_signal) {
958 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
959 if (!logic_data || logic_data->logic_segments().empty())
963 const shared_ptr<const LogicSegment> segment =
964 logic_data->logic_segments().at(segment_id)->get_shared_ptr();
966 samplerate = segment->samplerate();
967 } catch (out_of_range&) {
976 Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec)
978 for (shared_ptr<Decoder>& d : stack_)
979 if (d->get_srd_decoder() == srd_dec)
985 void DecodeSignal::update_channel_list()
987 vector<decode::DecodeChannel> prev_channels = channels_;
992 // Copy existing entries, create new as needed
993 for (shared_ptr<Decoder>& decoder : stack_) {
994 const srd_decoder* srd_dec = decoder->get_srd_decoder();
997 // Mandatory channels
998 for (l = srd_dec->channels; l; l = l->next) {
999 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
1000 bool ch_added = false;
1002 // Copy but update ID if this channel was in the list before
1003 for (decode::DecodeChannel& ch : prev_channels)
1004 if (ch.pdch_ == pdch) {
1006 channels_.push_back(ch);
1012 // Create new entry without a mapped signal
1013 decode::DecodeChannel ch = {id++, 0, false, nullptr,
1014 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
1015 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
1016 channels_.push_back(ch);
1020 // Optional channels
1021 for (l = srd_dec->opt_channels; l; l = l->next) {
1022 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
1023 bool ch_added = false;
1025 // Copy but update ID if this channel was in the list before
1026 for (decode::DecodeChannel& ch : prev_channels)
1027 if (ch.pdch_ == pdch) {
1029 channels_.push_back(ch);
1035 // Create new entry without a mapped signal
1036 decode::DecodeChannel ch = {id++, 0, true, nullptr,
1037 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
1038 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
1039 channels_.push_back(ch);
1044 // Invalidate the logic output data if the channel assignment changed
1045 if (prev_channels.size() != channels_.size()) {
1046 // The number of channels changed, there's definitely a difference
1047 logic_mux_data_invalid_ = true;
1049 // Same number but assignment may still differ, so compare all channels
1050 for (size_t i = 0; i < channels_.size(); i++) {
1051 const decode::DecodeChannel& p_ch = prev_channels[i];
1052 const decode::DecodeChannel& ch = channels_[i];
1054 if ((p_ch.pdch_ != ch.pdch_) ||
1055 (p_ch.assigned_signal != ch.assigned_signal)) {
1056 logic_mux_data_invalid_ = true;
1066 void DecodeSignal::commit_decoder_channels()
1068 // Submit channel list to every decoder, containing only the relevant channels
1069 for (shared_ptr<Decoder> dec : stack_) {
1070 vector<decode::DecodeChannel*> channel_list;
1072 for (decode::DecodeChannel& ch : channels_)
1073 if (ch.decoder_ == dec)
1074 channel_list.push_back(&ch);
1076 dec->set_channels(channel_list);
1079 // Channel bit IDs must be in sync with the channel's apperance in channels_
1081 for (decode::DecodeChannel& ch : channels_)
1082 if (ch.assigned_signal)
1086 void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end)
1088 // Enforce end to be greater than start
1092 // Fetch the channel segments and their data
1093 vector<shared_ptr<const LogicSegment> > segments;
1094 vector<const uint8_t*> signal_data;
1095 vector<uint8_t> signal_in_bytepos;
1096 vector<uint8_t> signal_in_bitpos;
1098 for (decode::DecodeChannel& ch : channels_)
1099 if (ch.assigned_signal) {
1100 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
1102 shared_ptr<const LogicSegment> segment;
1103 if (segment_id < logic_data->logic_segments().size()) {
1104 segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
1106 qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \
1107 << "has no logic segment" << segment_id;
1108 logic_mux_interrupt_ = true;
1115 segments.push_back(segment);
1117 uint8_t* data = new uint8_t[(end - start) * segment->unit_size()];
1118 segment->get_samples(start, end, data);
1119 signal_data.push_back(data);
1121 const int bitpos = ch.assigned_signal->logic_bit_index();
1122 signal_in_bytepos.push_back(bitpos / 8);
1123 signal_in_bitpos.push_back(bitpos % 8);
1126 shared_ptr<LogicSegment> output_segment;
1128 output_segment = logic_mux_data_->logic_segments().at(segment_id);
1129 } catch (out_of_range&) {
1130 qDebug() << "Muxer error for" << name() << ": no logic mux segment" \
1131 << segment_id << "in mux_logic_samples(), mux segments size is" \
1132 << logic_mux_data_->logic_segments().size();
1133 logic_mux_interrupt_ = true;
1137 // Perform the muxing of signal data into the output data
1138 uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()];
1139 unsigned int signal_count = signal_data.size();
1141 for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start));
1145 uint8_t bytepos = 0;
1147 const int out_sample_pos = sample_cnt * output_segment->unit_size();
1148 for (unsigned int i = 0; i < output_segment->unit_size(); i++)
1149 output[out_sample_pos + i] = 0;
1151 for (unsigned int i = 0; i < signal_count; i++) {
1152 const int in_sample_pos = sample_cnt * segments[i]->unit_size();
1153 const uint8_t in_sample = 1 &
1154 ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i]));
1156 const uint8_t out_sample = output[out_sample_pos + bytepos];
1158 output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos);
1168 output_segment->append_payload(output, (end - start) * output_segment->unit_size());
1171 for (const uint8_t* data : signal_data)
1175 void DecodeSignal::logic_mux_proc()
1177 uint32_t input_segment_count;
1179 input_segment_count = get_input_segment_count();
1180 if (input_segment_count == 0) {
1181 // Wait for input data
1182 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1183 logic_mux_cond_.wait(logic_mux_lock);
1185 } while ((!logic_mux_interrupt_) && (input_segment_count == 0));
1187 if (logic_mux_interrupt_)
1190 assert(logic_mux_data_);
1192 uint32_t segment_id = 0;
1194 // Create initial logic mux segment
1195 shared_ptr<LogicSegment> output_segment =
1196 make_shared<LogicSegment>(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0);
1197 logic_mux_data_->push_segment(output_segment);
1199 output_segment->set_samplerate(get_input_samplerate(0));
1201 // Logic mux data is being updated
1202 logic_mux_data_invalid_ = false;
1204 uint64_t samples_to_process;
1207 const uint64_t input_sample_count = get_working_sample_count(segment_id);
1208 const uint64_t output_sample_count = output_segment->get_sample_count();
1210 samples_to_process =
1211 (input_sample_count > output_sample_count) ?
1212 (input_sample_count - output_sample_count) : 0;
1214 if (samples_to_process > 0) {
1215 const uint64_t unit_size = output_segment->unit_size();
1216 const uint64_t chunk_sample_count = DecodeChunkLength / unit_size;
1218 uint64_t processed_samples = 0;
1220 const uint64_t start_sample = output_sample_count + processed_samples;
1221 const uint64_t sample_count =
1222 min(samples_to_process - processed_samples, chunk_sample_count);
1224 mux_logic_samples(segment_id, start_sample, start_sample + sample_count);
1225 processed_samples += sample_count;
1227 // ...and process the newly muxed logic data
1228 decode_input_cond_.notify_one();
1229 } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process));
1231 } while (!logic_mux_interrupt_ && (samples_to_process > 0));
1233 if (!logic_mux_interrupt_) {
1234 // samples_to_process is now 0, we've exhausted the currently available input data
1236 // If the input segments are complete, we've completed this segment
1237 if (all_input_segments_complete(segment_id)) {
1238 if (!output_segment->is_complete())
1239 output_segment->set_complete();
1241 if (segment_id < get_input_segment_count() - 1) {
1243 // Process next segment
1247 make_shared<LogicSegment>(*logic_mux_data_, segment_id,
1248 logic_mux_unit_size_, 0);
1249 logic_mux_data_->push_segment(output_segment);
1251 output_segment->set_samplerate(get_input_samplerate(segment_id));
1253 // Wait for more input data if we're processing the currently last segment
1254 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1255 logic_mux_cond_.wait(logic_mux_lock);
1258 // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data
1259 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1260 logic_mux_cond_.wait(logic_mux_lock);
1263 } while (!logic_mux_interrupt_);
1266 void DecodeSignal::decode_data(
1267 const int64_t abs_start_samplenum, const int64_t sample_count,
1268 const shared_ptr<const LogicSegment> input_segment)
1270 const int64_t unit_size = input_segment->unit_size();
1271 const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
1273 for (int64_t i = abs_start_samplenum;
1274 !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
1275 i += chunk_sample_count) {
1277 const int64_t chunk_end = min(i + chunk_sample_count,
1278 abs_start_samplenum + sample_count);
1281 lock_guard<mutex> lock(output_mutex_);
1282 // Update the sample count showing the samples including currently processed ones
1283 segments_.at(current_segment_id_).samples_decoded_incl = chunk_end;
1286 int64_t data_size = (chunk_end - i) * unit_size;
1287 uint8_t* chunk = new uint8_t[data_size];
1288 input_segment->get_samples(i, chunk_end, chunk);
1290 if (srd_session_send(srd_session_, i, chunk_end, chunk,
1291 data_size, unit_size) != SRD_OK) {
1292 set_error_message(tr("Decoder reported an error"));
1293 decode_interrupt_ = true;
1299 lock_guard<mutex> lock(output_mutex_);
1300 // Now that all samples are processed, the exclusive sample count catches up
1301 segments_.at(current_segment_id_).samples_decoded_excl = chunk_end;
1304 // Notify the frontend that we processed some data and
1305 // possibly have new annotations as well
1308 if (decode_paused_) {
1309 unique_lock<mutex> pause_wait_lock(decode_pause_mutex_);
1310 decode_pause_cond_.wait(pause_wait_lock);
1315 void DecodeSignal::decode_proc()
1317 current_segment_id_ = 0;
1319 // If there is no input data available yet, wait until it is or we're interrupted
1321 if (logic_mux_data_->logic_segments().size() == 0) {
1322 // Wait for input data
1323 unique_lock<mutex> input_wait_lock(input_mutex_);
1324 decode_input_cond_.wait(input_wait_lock);
1326 } while ((!decode_interrupt_) && (logic_mux_data_->logic_segments().size() == 0));
1328 if (decode_interrupt_)
1331 shared_ptr<const LogicSegment> input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr();
1335 // Create the initial segment and set its sample rate so that we can pass it to SRD
1336 create_decode_segment();
1337 segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
1338 segments_.at(current_segment_id_).start_time = input_segment->start_time();
1340 start_srd_session();
1342 uint64_t samples_to_process = 0;
1343 uint64_t abs_start_samplenum = 0;
1345 // Keep processing new samples until we exhaust the input data
1347 samples_to_process = input_segment->get_sample_count() - abs_start_samplenum;
1349 if (samples_to_process > 0) {
1350 decode_data(abs_start_samplenum, samples_to_process, input_segment);
1351 abs_start_samplenum += samples_to_process;
1353 } while (!decode_interrupt_ && (samples_to_process > 0));
1355 if (!decode_interrupt_) {
1356 // samples_to_process is now 0, we've exhausted the currently available input data
1358 // If the input segment is complete, we've exhausted this segment
1359 if (input_segment->is_complete()) {
1360 if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) {
1361 // Process next segment
1362 current_segment_id_++;
1365 input_segment = logic_mux_data_->logic_segments().at(current_segment_id_);
1366 } catch (out_of_range&) {
1367 qDebug() << "Decode error for" << name() << ": no logic mux segment" \
1368 << current_segment_id_ << "in decode_proc(), mux segments size is" \
1369 << logic_mux_data_->logic_segments().size();
1370 decode_interrupt_ = true;
1373 abs_start_samplenum = 0;
1375 // Create the next segment and set its metadata
1376 create_decode_segment();
1377 segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
1378 segments_.at(current_segment_id_).start_time = input_segment->start_time();
1380 // Reset decoder state but keep the decoder stack intact
1381 terminate_srd_session();
1383 // All segments have been processed
1384 if (!decode_interrupt_)
1387 // Wait for more input data
1388 unique_lock<mutex> input_wait_lock(input_mutex_);
1389 decode_input_cond_.wait(input_wait_lock);
1392 // Input segment isn't complete yet but samples_to_process is 0, wait for more input data
1393 unique_lock<mutex> input_wait_lock(input_mutex_);
1394 decode_input_cond_.wait(input_wait_lock);
1398 } while (!decode_interrupt_);
1401 void DecodeSignal::start_srd_session()
1403 // If there were stack changes, the session has been destroyed by now, so if
1404 // it hasn't been destroyed, we can just reset and re-use it
1406 // When a decoder stack was created before, re-use it
1407 // for the next stream of input data, after terminating
1408 // potentially still executing operations, and resetting
1409 // internal state. Skip the rather expensive (teardown
1410 // and) construction of another decoder stack.
1412 // TODO Reduce redundancy, use a common code path for
1413 // the meta/start sequence?
1414 terminate_srd_session();
1416 // Metadata is cleared also, so re-set it
1417 uint64_t samplerate = 0;
1418 if (segments_.size() > 0)
1419 samplerate = segments_.at(current_segment_id_).samplerate;
1421 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1422 g_variant_new_uint64(samplerate));
1423 for (const shared_ptr<Decoder>& dec : stack_)
1424 dec->apply_all_options();
1425 srd_session_start(srd_session_);
1430 // Update the samplerates for the output logic channels
1431 update_output_signals();
1433 // Create the session
1434 srd_session_new(&srd_session_);
1435 assert(srd_session_);
1437 // Create the decoders
1438 srd_decoder_inst *prev_di = nullptr;
1439 for (const shared_ptr<Decoder>& dec : stack_) {
1440 srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_);
1443 set_error_message(tr("Failed to create decoder instance"));
1444 srd_session_destroy(srd_session_);
1445 srd_session_ = nullptr;
1450 srd_inst_stack(srd_session_, prev_di, di);
1455 // Start the session
1456 if (segments_.size() > 0)
1457 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1458 g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
1460 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
1461 DecodeSignal::annotation_callback, this);
1463 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY,
1464 DecodeSignal::binary_callback, this);
1466 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_LOGIC,
1467 DecodeSignal::logic_output_callback, this);
1469 srd_session_start(srd_session_);
1471 // We just recreated the srd session, so all stack changes are applied now
1472 stack_config_changed_ = false;
1475 void DecodeSignal::terminate_srd_session()
1477 // Call the "terminate and reset" routine for the decoder stack
1478 // (if available). This does not harm those stacks which already
1479 // have completed their operation, and reduces response time for
1480 // those stacks which still are processing data while the
1481 // application no longer wants them to.
1483 srd_session_terminate_reset(srd_session_);
1485 // Metadata is cleared also, so re-set it
1486 uint64_t samplerate = 0;
1487 if (segments_.size() > 0)
1488 samplerate = segments_.at(current_segment_id_).samplerate;
1490 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1491 g_variant_new_uint64(samplerate));
1492 for (const shared_ptr<Decoder>& dec : stack_)
1493 dec->apply_all_options();
1497 void DecodeSignal::stop_srd_session()
1500 // Destroy the session
1501 srd_session_destroy(srd_session_);
1502 srd_session_ = nullptr;
1504 // Mark the decoder instances as non-existant since they were deleted
1505 for (const shared_ptr<Decoder>& dec : stack_)
1506 dec->invalidate_decoder_inst();
1510 void DecodeSignal::connect_input_notifiers()
1512 // Connect the currently used signals to our slot
1513 for (decode::DecodeChannel& ch : channels_) {
1514 if (!ch.assigned_signal)
1516 const data::SignalBase *signal = ch.assigned_signal.get();
1518 connect(signal, SIGNAL(samples_cleared()),
1519 this, SLOT(on_data_cleared()), Qt::UniqueConnection);
1520 connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
1521 this, SLOT(on_data_received()), Qt::UniqueConnection);
1523 if (signal->logic_data())
1524 connect(signal->logic_data().get(), SIGNAL(segment_completed()),
1525 this, SLOT(on_input_segment_completed()), Qt::UniqueConnection);
1529 void DecodeSignal::disconnect_input_notifiers()
1531 // Disconnect the notification slot from the previous set of signals
1532 for (decode::DecodeChannel& ch : channels_) {
1533 if (!ch.assigned_signal)
1535 const data::SignalBase *signal = ch.assigned_signal.get();
1536 disconnect(signal, nullptr, this, SLOT(on_data_cleared()));
1537 disconnect(signal, nullptr, this, SLOT(on_data_received()));
1539 if (signal->logic_data())
1540 disconnect(signal->logic_data().get(), nullptr, this, SLOT(on_input_segment_completed()));
1544 void DecodeSignal::create_decode_segment()
1546 // Create annotation segment
1547 segments_.emplace_back();
1549 // Add annotation classes
1550 for (const shared_ptr<Decoder>& dec : stack_)
1551 for (Row* row : dec->get_rows())
1552 segments_.back().annotation_rows.emplace(row, RowData(row));
1554 // Prepare our binary output classes
1555 for (const shared_ptr<Decoder>& dec : stack_) {
1556 uint32_t n = dec->get_binary_class_count();
1558 for (uint32_t i = 0; i < n; i++)
1559 segments_.back().binary_classes.push_back(
1560 {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()});
1564 void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal)
1567 assert(decode_signal);
1569 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1572 if (ds->decode_interrupt_)
1575 if (ds->segments_.empty())
1578 lock_guard<mutex> lock(ds->output_mutex_);
1580 // Get the decoder and the annotation data
1582 assert(pdata->pdo->di);
1583 const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
1586 const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data;
1590 Decoder* dec = ds->get_decoder_by_instance(srd_dec);
1593 AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class);
1595 qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" <<
1596 "with class ID" << pda->ann_class << "but there are only" <<
1597 dec->ann_classes().size() << "known classes";
1601 const Row* row = ann_class->row;
1604 row = dec->get_row_by_id(0);
1606 RowData& row_data = ds->segments_[ds->current_segment_id_].annotation_rows.at(row);
1608 // Add the annotation to the row
1609 const Annotation* ann = row_data.emplace_annotation(pdata);
1611 // We insert the annotation into the global annotation list in a way so that
1612 // the annotation list is sorted by start sample and length. Otherwise, we'd
1613 // have to sort the model, which is expensive
1614 deque<const Annotation*>& all_annotations =
1615 ds->segments_[ds->current_segment_id_].all_annotations;
1617 if (all_annotations.empty()) {
1618 all_annotations.emplace_back(ann);
1620 const uint64_t new_ann_len = (pdata->end_sample - pdata->start_sample);
1621 bool ann_has_earlier_start = (pdata->start_sample < all_annotations.back()->start_sample());
1622 bool ann_is_longer = (new_ann_len >
1623 (all_annotations.back()->end_sample() - all_annotations.back()->start_sample()));
1625 if (ann_has_earlier_start && ann_is_longer) {
1626 bool ann_has_same_start;
1627 auto it = all_annotations.end();
1631 ann_has_earlier_start = (pdata->start_sample < (*it)->start_sample());
1632 ann_has_same_start = (pdata->start_sample == (*it)->start_sample());
1633 ann_is_longer = (new_ann_len > (*it)->length());
1634 } while ((ann_has_earlier_start || (ann_has_same_start && ann_is_longer)) && (it != all_annotations.begin()));
1636 // Allow inserting at the front
1637 if (it != all_annotations.begin())
1640 all_annotations.emplace(it, ann);
1642 all_annotations.emplace_back(ann);
1645 // When emplace_annotation() inserts instead of appends an annotation,
1646 // the pointers in all_annotations that follow the inserted annotation and
1647 // point to annotations for this row are off by one and must be updated
1648 if (&(row_data.annotations().back()) != ann) {
1649 // Search backwards until we find the annotation we just added
1650 auto row_it = row_data.annotations().end();
1651 auto all_it = all_annotations.end();
1654 if ((*all_it)->row_data() == &row_data)
1656 } while (&(*row_it) != ann);
1658 // Update the annotation addresses for this row's annotations until the end
1660 if ((*all_it)->row_data() == &row_data) {
1661 *all_it = &(*row_it);
1665 } while (all_it != all_annotations.end());
1669 void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal)
1672 assert(decode_signal);
1674 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1677 if (ds->decode_interrupt_)
1680 // Get the decoder and the binary data
1682 assert(pdata->pdo->di);
1683 const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
1686 const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data;
1689 // Find the matching DecodeBinaryClass
1690 DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_));
1692 DecodeBinaryClass* bin_class = nullptr;
1693 for (DecodeBinaryClass& bc : segment->binary_classes)
1694 if ((bc.decoder->get_srd_decoder() == srd_dec) &&
1695 (bc.info->bin_class_id == (uint32_t)pdb->bin_class))
1699 qWarning() << "Could not find valid DecodeBinaryClass in segment" <<
1700 ds->current_segment_id_ << "for binary class ID" << pdb->bin_class <<
1701 ", segment only knows" << segment->binary_classes.size() << "classes";
1705 // Add the data chunk
1706 bin_class->chunks.emplace_back();
1707 DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back());
1709 chunk->sample = pdata->start_sample;
1710 chunk->data.resize(pdb->size);
1711 memcpy(chunk->data.data(), pdb->data, pdb->size);
1713 Decoder* dec = ds->get_decoder_by_instance(srd_dec);
1715 ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class);
1718 void DecodeSignal::logic_output_callback(srd_proto_data *pdata, void *decode_signal)
1721 assert(decode_signal);
1723 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1726 if (ds->decode_interrupt_)
1729 lock_guard<mutex> lock(ds->output_mutex_);
1732 assert(pdata->pdo->di);
1733 const srd_decoder *const decc = pdata->pdo->di->decoder;
1736 const srd_proto_data_logic *const pdl = (const srd_proto_data_logic*)pdata->data;
1739 shared_ptr<Logic> output_logic = ds->output_logic_.at(decc);
1741 vector< shared_ptr<Segment> > segments = output_logic->segments();
1743 shared_ptr<LogicSegment> last_segment;
1745 if (!segments.empty())
1746 last_segment = dynamic_pointer_cast<LogicSegment>(segments.back());
1748 // Happens when the data was cleared - all segments are gone then
1749 // segment_id is always 0 as it's the first segment
1750 last_segment = make_shared<data::LogicSegment>(
1751 *output_logic, 0, (output_logic->num_channels() + 7) / 8, output_logic->get_samplerate());
1752 output_logic->push_segment(last_segment);
1755 vector<uint8_t> data;
1756 for (unsigned int i = pdata->start_sample; i < pdata->end_sample; i++)
1757 data.emplace_back(*((uint8_t*)pdl->data));
1759 last_segment->append_subsignal_payload(pdl->logic_class, data.data(),
1760 data.size(), ds->output_logic_muxed_data_.at(decc));
1762 qInfo() << "Received logic output state change for class" << pdl->logic_class << "from decoder" \
1763 << QString::fromUtf8(decc->name) << "from" << pdata->start_sample << "to" << pdata->end_sample;
1766 void DecodeSignal::on_capture_state_changed(int state)
1768 // If a new acquisition was started, we need to start decoding from scratch
1769 if (state == Session::Running) {
1770 logic_mux_data_invalid_ = true;
1775 void DecodeSignal::on_data_cleared()
1780 void DecodeSignal::on_data_received()
1782 // If we detected a lack of input data when trying to start decoding,
1783 // we have set an error message. Bail out if we still don't have data
1785 if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0))
1788 if (!error_message_.isEmpty()) {
1789 error_message_.clear();
1790 // TODO Emulate noquote()
1791 qDebug().nospace() << name() << ": Input data available, error cleared";
1794 if (!logic_mux_thread_.joinable())
1797 logic_mux_cond_.notify_one();
1800 void DecodeSignal::on_input_segment_completed()
1802 if (!logic_mux_thread_.joinable())
1803 logic_mux_cond_.notify_one();
1806 void DecodeSignal::on_annotation_visibility_changed()
1808 annotation_visibility_changed();