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;
390 shared_ptr<LogicSegment> logic_segment = make_shared<data::LogicSegment>(
391 *logic_data, 0, (logic_data->num_channels() + 7) / 8, get_samplerate());
392 logic_data->push_segment(logic_segment);
395 for (const decode::DecoderLogicOutputChannel& logic_ch : logic_channels) {
396 shared_ptr<data::SignalBase> signal =
397 make_shared<data::SignalBase>(nullptr, LogicChannel);
398 signal->set_internal_name(logic_ch.id);
399 signal->set_name(logic_ch.id);
400 signal->set_index(index);
401 signal->set_data(logic_data);
402 output_signals_.push_back(signal);
403 session_.add_generated_signal(signal);
407 shared_ptr<Logic> logic_data = output_logic_[dec->get_srd_decoder()];
408 logic_data->set_samplerate(get_samplerate());
409 for (shared_ptr<LogicSegment>& segment : logic_data->logic_segments())
410 segment->set_samplerate(get_samplerate());
415 // TODO Delete signals that no longer have a corresponding decoder (also from session)
416 // TODO Assert that all sample rates are the same as the session's
417 // TODO Set colors to the same as the decoder's background color
420 void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state)
422 for (decode::DecodeChannel& ch : channels_)
423 if (ch.id == channel_id)
424 ch.initial_pin_state = init_state;
426 stack_config_changed_ = true;
431 double DecodeSignal::get_samplerate() const
435 // TODO For now, we simply return the first samplerate that we have
436 if (segments_.size() > 0)
437 result = segments_.front().samplerate;
442 const pv::util::Timestamp DecodeSignal::start_time() const
444 pv::util::Timestamp result;
446 // TODO For now, we simply return the first start time that we have
447 if (segments_.size() > 0)
448 result = segments_.front().start_time;
453 int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const
455 // The working sample count is the highest sample number for
456 // which all used signals have data available, so go through all
457 // channels and use the lowest overall sample count of the segment
459 int64_t count = std::numeric_limits<int64_t>::max();
460 bool no_signals_assigned = true;
462 for (const decode::DecodeChannel& ch : channels_)
463 if (ch.assigned_signal) {
464 if (!ch.assigned_signal->logic_data())
467 no_signals_assigned = false;
469 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
470 if (logic_data->logic_segments().empty())
473 if (segment_id >= logic_data->logic_segments().size())
476 const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
478 count = min(count, (int64_t)segment->get_sample_count());
481 return (no_signals_assigned ? 0 : count);
484 int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id,
485 bool include_processing) const
487 lock_guard<mutex> decode_lock(output_mutex_);
491 if (segment_id >= segments_.size())
494 if (include_processing)
495 result = segments_[segment_id].samples_decoded_incl;
497 result = segments_[segment_id].samples_decoded_excl;
502 vector<Row*> DecodeSignal::get_rows(bool visible_only)
506 for (const shared_ptr<Decoder>& dec : stack_) {
508 if (visible_only && !dec->visible())
511 for (Row* row : dec->get_rows())
518 vector<const Row*> DecodeSignal::get_rows(bool visible_only) const
520 vector<const Row*> rows;
522 for (const shared_ptr<Decoder>& dec : stack_) {
524 if (visible_only && !dec->visible())
527 for (const Row* row : dec->get_rows())
534 uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const
536 if (segment_id >= segments_.size())
539 const DecodeSegment* segment = &(segments_.at(segment_id));
541 auto row_it = segment->annotation_rows.find(row);
544 if (row_it == segment->annotation_rows.end())
547 rd = &(row_it->second);
549 return rd->get_annotation_count();
552 void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest,
553 const Row* row, uint32_t segment_id, uint64_t start_sample,
554 uint64_t end_sample) const
556 lock_guard<mutex> lock(output_mutex_);
558 if (segment_id >= segments_.size())
561 const DecodeSegment* segment = &(segments_.at(segment_id));
563 auto row_it = segment->annotation_rows.find(row);
566 if (row_it == segment->annotation_rows.end())
569 rd = &(row_it->second);
571 rd->get_annotation_subset(dest, start_sample, end_sample);
574 void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest,
575 uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
577 for (const Row* row : get_rows())
578 get_annotation_subset(dest, row, segment_id, start_sample, end_sample);
581 uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id,
582 const Decoder* dec, uint32_t bin_class_id) const
584 if ((segments_.size() == 0) || (segment_id >= segments_.size()))
587 const DecodeSegment *segment = &(segments_[segment_id]);
589 for (const DecodeBinaryClass& bc : segment->binary_classes)
590 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
591 return bc.chunks.size();
596 void DecodeSignal::get_binary_data_chunk(uint32_t segment_id,
597 const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id,
598 const vector<uint8_t> **dest, uint64_t *size)
600 if (segment_id >= segments_.size())
603 const DecodeSegment *segment = &(segments_[segment_id]);
605 for (const DecodeBinaryClass& bc : segment->binary_classes)
606 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) {
607 if (dest) *dest = &(bc.chunks.at(chunk_id).data);
608 if (size) *size = bc.chunks.at(chunk_id).data.size();
613 void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id,
614 const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample,
615 uint64_t end_sample, vector<uint8_t> *dest) const
617 assert(dest != nullptr);
619 if (segment_id >= segments_.size())
622 const DecodeSegment *segment = &(segments_[segment_id]);
624 const DecodeBinaryClass* bin_class = nullptr;
625 for (const DecodeBinaryClass& bc : segment->binary_classes)
626 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
629 // Determine overall size before copying to resize dest vector only once
631 uint64_t matches = 0;
632 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
633 if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
634 size += chunk.data.size();
640 uint64_t matches2 = 0;
641 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
642 if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
643 memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size());
644 offset += chunk.data.size();
647 // Make sure we don't overwrite memory if the array grew in the meanwhile
648 if (matches2 == matches)
653 void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id,
654 const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end,
655 vector<uint8_t> *dest) const
657 assert(dest != nullptr);
659 if (segment_id >= segments_.size())
662 const DecodeSegment *segment = &(segments_[segment_id]);
664 const DecodeBinaryClass* bin_class = nullptr;
665 for (const DecodeBinaryClass& bc : segment->binary_classes)
666 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
669 // Determine overall size before copying to resize dest vector only once
672 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
674 size += chunk.data.size();
675 offset += chunk.data.size();
682 uint64_t dest_offset = 0;
683 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
684 if (offset >= start) {
685 memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size());
686 dest_offset += chunk.data.size();
688 offset += chunk.data.size();
694 const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id,
695 const Decoder* dec, uint32_t bin_class_id) const
697 if (segment_id >= segments_.size())
700 const DecodeSegment *segment = &(segments_[segment_id]);
702 for (const DecodeBinaryClass& bc : segment->binary_classes)
703 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
709 const deque<const Annotation*>* DecodeSignal::get_all_annotations_by_segment(
710 uint32_t segment_id) const
712 if (segment_id >= segments_.size())
715 const DecodeSegment *segment = &(segments_[segment_id]);
717 return &(segment->all_annotations);
720 void DecodeSignal::save_settings(QSettings &settings) const
722 SignalBase::save_settings(settings);
724 settings.setValue("decoders", (int)(stack_.size()));
726 // Save decoder stack
728 for (const shared_ptr<Decoder>& decoder : stack_) {
729 settings.beginGroup("decoder" + QString::number(decoder_idx++));
731 settings.setValue("id", decoder->get_srd_decoder()->id);
732 settings.setValue("visible", decoder->visible());
734 // Save decoder options
735 const map<string, GVariant*>& options = decoder->options();
737 settings.setValue("options", (int)options.size());
739 // Note: Decoder::options() returns only the options
740 // that differ from the default. See binding::Decoder::getter()
742 for (auto& option : options) {
743 settings.beginGroup("option" + QString::number(i));
744 settings.setValue("name", QString::fromStdString(option.first));
745 GlobalSettings::store_gvariant(settings, option.second);
750 // Save row properties
752 for (const Row* row : decoder->get_rows()) {
753 settings.beginGroup("row" + QString::number(i));
754 settings.setValue("visible", row->visible());
759 // Save class properties
761 for (const AnnotationClass* ann_class : decoder->ann_classes()) {
762 settings.beginGroup("ann_class" + QString::number(i));
763 settings.setValue("visible", ann_class->visible());
771 // Save channel mapping
772 settings.setValue("channels", (int)channels_.size());
774 for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) {
775 auto channel = find_if(channels_.begin(), channels_.end(),
776 [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
778 if (channel == channels_.end()) {
779 qDebug() << "ERROR: Gap in channel index:" << channel_id;
783 settings.beginGroup("channel" + QString::number(channel_id));
785 settings.setValue("name", channel->name); // Useful for debugging
786 settings.setValue("initial_pin_state", channel->initial_pin_state);
788 if (channel->assigned_signal)
789 settings.setValue("assigned_signal_name", channel->assigned_signal->name());
794 // TODO Save logic output signal settings
797 void DecodeSignal::restore_settings(QSettings &settings)
799 SignalBase::restore_settings(settings);
801 // Restore decoder stack
802 GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list());
804 int decoders = settings.value("decoders").toInt();
806 for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) {
807 settings.beginGroup("decoder" + QString::number(decoder_idx));
809 QString id = settings.value("id").toString();
811 for (GSList *entry = dec_list; entry; entry = entry->next) {
812 const srd_decoder *dec = (srd_decoder*)entry->data;
816 if (QString::fromUtf8(dec->id) == id) {
817 shared_ptr<Decoder> decoder = make_shared<Decoder>(dec, stack_.size());
819 connect(decoder.get(), SIGNAL(annotation_visibility_changed()),
820 this, SLOT(on_annotation_visibility_changed()));
822 stack_.push_back(decoder);
823 decoder->set_visible(settings.value("visible", true).toBool());
825 // Restore decoder options that differ from their default
826 int options = settings.value("options").toInt();
828 for (int i = 0; i < options; i++) {
829 settings.beginGroup("option" + QString::number(i));
830 QString name = settings.value("name").toString();
831 GVariant *value = GlobalSettings::restore_gvariant(settings);
832 decoder->set_option(name.toUtf8(), value);
836 // Include the newly created decode channels in the channel lists
837 update_channel_list();
839 // Restore row properties
841 for (Row* row : decoder->get_rows()) {
842 settings.beginGroup("row" + QString::number(i));
843 row->set_visible(settings.value("visible", true).toBool());
848 // Restore class properties
850 for (AnnotationClass* ann_class : decoder->ann_classes()) {
851 settings.beginGroup("ann_class" + QString::number(i));
852 ann_class->set_visible(settings.value("visible", true).toBool());
865 // Restore channel mapping
866 unsigned int channels = settings.value("channels").toInt();
868 const vector< shared_ptr<data::SignalBase> > signalbases =
869 session_.signalbases();
871 for (unsigned int channel_id = 0; channel_id < channels; channel_id++) {
872 auto channel = find_if(channels_.begin(), channels_.end(),
873 [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
875 if (channel == channels_.end()) {
876 qDebug() << "ERROR: Non-existant channel index:" << channel_id;
880 settings.beginGroup("channel" + QString::number(channel_id));
882 QString assigned_signal_name = settings.value("assigned_signal_name").toString();
884 for (const shared_ptr<data::SignalBase>& signal : signalbases)
885 if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel))
886 channel->assigned_signal = signal;
888 channel->initial_pin_state = settings.value("initial_pin_state").toInt();
893 connect_input_notifiers();
895 // Update the internal structures
896 stack_config_changed_ = true;
897 update_channel_list();
898 commit_decoder_channels();
899 update_output_signals();
901 // TODO Restore logic output signal settings
906 bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const
908 bool all_complete = true;
910 for (const decode::DecodeChannel& ch : channels_)
911 if (ch.assigned_signal) {
912 if (!ch.assigned_signal->logic_data())
915 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
916 if (logic_data->logic_segments().empty())
919 if (segment_id >= logic_data->logic_segments().size())
922 const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
923 if (segment && !segment->is_complete())
924 all_complete = false;
930 uint32_t DecodeSignal::get_input_segment_count() const
932 uint64_t count = std::numeric_limits<uint64_t>::max();
933 bool no_signals_assigned = true;
935 for (const decode::DecodeChannel& ch : channels_)
936 if (ch.assigned_signal) {
937 no_signals_assigned = false;
939 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
940 if (!logic_data || logic_data->logic_segments().empty())
943 // Find the min value of all segment counts
944 if ((uint64_t)(logic_data->logic_segments().size()) < count)
945 count = logic_data->logic_segments().size();
948 return (no_signals_assigned ? 0 : count);
951 double DecodeSignal::get_input_samplerate(uint32_t segment_id) const
953 double samplerate = 0;
955 for (const decode::DecodeChannel& ch : channels_)
956 if (ch.assigned_signal) {
957 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
958 if (!logic_data || logic_data->logic_segments().empty())
962 const shared_ptr<const LogicSegment> segment =
963 logic_data->logic_segments().at(segment_id)->get_shared_ptr();
965 samplerate = segment->samplerate();
966 } catch (out_of_range&) {
975 Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec)
977 for (shared_ptr<Decoder>& d : stack_)
978 if (d->get_srd_decoder() == srd_dec)
984 void DecodeSignal::update_channel_list()
986 vector<decode::DecodeChannel> prev_channels = channels_;
991 // Copy existing entries, create new as needed
992 for (shared_ptr<Decoder>& decoder : stack_) {
993 const srd_decoder* srd_dec = decoder->get_srd_decoder();
996 // Mandatory channels
997 for (l = srd_dec->channels; l; l = l->next) {
998 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
999 bool ch_added = false;
1001 // Copy but update ID if this channel was in the list before
1002 for (decode::DecodeChannel& ch : prev_channels)
1003 if (ch.pdch_ == pdch) {
1005 channels_.push_back(ch);
1011 // Create new entry without a mapped signal
1012 decode::DecodeChannel ch = {id++, 0, false, nullptr,
1013 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
1014 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
1015 channels_.push_back(ch);
1019 // Optional channels
1020 for (l = srd_dec->opt_channels; l; l = l->next) {
1021 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
1022 bool ch_added = false;
1024 // Copy but update ID if this channel was in the list before
1025 for (decode::DecodeChannel& ch : prev_channels)
1026 if (ch.pdch_ == pdch) {
1028 channels_.push_back(ch);
1034 // Create new entry without a mapped signal
1035 decode::DecodeChannel ch = {id++, 0, true, nullptr,
1036 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
1037 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
1038 channels_.push_back(ch);
1043 // Invalidate the logic output data if the channel assignment changed
1044 if (prev_channels.size() != channels_.size()) {
1045 // The number of channels changed, there's definitely a difference
1046 logic_mux_data_invalid_ = true;
1048 // Same number but assignment may still differ, so compare all channels
1049 for (size_t i = 0; i < channels_.size(); i++) {
1050 const decode::DecodeChannel& p_ch = prev_channels[i];
1051 const decode::DecodeChannel& ch = channels_[i];
1053 if ((p_ch.pdch_ != ch.pdch_) ||
1054 (p_ch.assigned_signal != ch.assigned_signal)) {
1055 logic_mux_data_invalid_ = true;
1065 void DecodeSignal::commit_decoder_channels()
1067 // Submit channel list to every decoder, containing only the relevant channels
1068 for (shared_ptr<Decoder> dec : stack_) {
1069 vector<decode::DecodeChannel*> channel_list;
1071 for (decode::DecodeChannel& ch : channels_)
1072 if (ch.decoder_ == dec)
1073 channel_list.push_back(&ch);
1075 dec->set_channels(channel_list);
1078 // Channel bit IDs must be in sync with the channel's apperance in channels_
1080 for (decode::DecodeChannel& ch : channels_)
1081 if (ch.assigned_signal)
1085 void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end)
1087 // Enforce end to be greater than start
1091 // Fetch the channel segments and their data
1092 vector<shared_ptr<const LogicSegment> > segments;
1093 vector<const uint8_t*> signal_data;
1094 vector<uint8_t> signal_in_bytepos;
1095 vector<uint8_t> signal_in_bitpos;
1097 for (decode::DecodeChannel& ch : channels_)
1098 if (ch.assigned_signal) {
1099 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
1101 shared_ptr<const LogicSegment> segment;
1102 if (segment_id < logic_data->logic_segments().size()) {
1103 segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
1105 qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \
1106 << "has no logic segment" << segment_id;
1107 logic_mux_interrupt_ = true;
1114 segments.push_back(segment);
1116 uint8_t* data = new uint8_t[(end - start) * segment->unit_size()];
1117 segment->get_samples(start, end, data);
1118 signal_data.push_back(data);
1120 const int bitpos = ch.assigned_signal->logic_bit_index();
1121 signal_in_bytepos.push_back(bitpos / 8);
1122 signal_in_bitpos.push_back(bitpos % 8);
1125 shared_ptr<LogicSegment> output_segment;
1127 output_segment = logic_mux_data_->logic_segments().at(segment_id);
1128 } catch (out_of_range&) {
1129 qDebug() << "Muxer error for" << name() << ": no logic mux segment" \
1130 << segment_id << "in mux_logic_samples(), mux segments size is" \
1131 << logic_mux_data_->logic_segments().size();
1132 logic_mux_interrupt_ = true;
1136 // Perform the muxing of signal data into the output data
1137 uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()];
1138 unsigned int signal_count = signal_data.size();
1140 for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start));
1144 uint8_t bytepos = 0;
1146 const int out_sample_pos = sample_cnt * output_segment->unit_size();
1147 for (unsigned int i = 0; i < output_segment->unit_size(); i++)
1148 output[out_sample_pos + i] = 0;
1150 for (unsigned int i = 0; i < signal_count; i++) {
1151 const int in_sample_pos = sample_cnt * segments[i]->unit_size();
1152 const uint8_t in_sample = 1 &
1153 ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i]));
1155 const uint8_t out_sample = output[out_sample_pos + bytepos];
1157 output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos);
1167 output_segment->append_payload(output, (end - start) * output_segment->unit_size());
1170 for (const uint8_t* data : signal_data)
1174 void DecodeSignal::logic_mux_proc()
1176 uint32_t input_segment_count;
1178 input_segment_count = get_input_segment_count();
1179 if (input_segment_count == 0) {
1180 // Wait for input data
1181 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1182 logic_mux_cond_.wait(logic_mux_lock);
1184 } while ((!logic_mux_interrupt_) && (input_segment_count == 0));
1186 if (logic_mux_interrupt_)
1189 assert(logic_mux_data_);
1191 uint32_t segment_id = 0;
1193 // Create initial logic mux segment
1194 shared_ptr<LogicSegment> output_segment =
1195 make_shared<LogicSegment>(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0);
1196 logic_mux_data_->push_segment(output_segment);
1198 output_segment->set_samplerate(get_input_samplerate(0));
1200 // Logic mux data is being updated
1201 logic_mux_data_invalid_ = false;
1203 uint64_t samples_to_process;
1206 const uint64_t input_sample_count = get_working_sample_count(segment_id);
1207 const uint64_t output_sample_count = output_segment->get_sample_count();
1209 samples_to_process =
1210 (input_sample_count > output_sample_count) ?
1211 (input_sample_count - output_sample_count) : 0;
1213 if (samples_to_process > 0) {
1214 const uint64_t unit_size = output_segment->unit_size();
1215 const uint64_t chunk_sample_count = DecodeChunkLength / unit_size;
1217 uint64_t processed_samples = 0;
1219 const uint64_t start_sample = output_sample_count + processed_samples;
1220 const uint64_t sample_count =
1221 min(samples_to_process - processed_samples, chunk_sample_count);
1223 mux_logic_samples(segment_id, start_sample, start_sample + sample_count);
1224 processed_samples += sample_count;
1226 // ...and process the newly muxed logic data
1227 decode_input_cond_.notify_one();
1228 } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process));
1230 } while (!logic_mux_interrupt_ && (samples_to_process > 0));
1232 if (!logic_mux_interrupt_) {
1233 // samples_to_process is now 0, we've exhausted the currently available input data
1235 // If the input segments are complete, we've completed this segment
1236 if (all_input_segments_complete(segment_id)) {
1237 if (!output_segment->is_complete())
1238 output_segment->set_complete();
1240 if (segment_id < get_input_segment_count() - 1) {
1242 // Process next segment
1246 make_shared<LogicSegment>(*logic_mux_data_, segment_id,
1247 logic_mux_unit_size_, 0);
1248 logic_mux_data_->push_segment(output_segment);
1250 output_segment->set_samplerate(get_input_samplerate(segment_id));
1252 // Wait for more input data if we're processing the currently last segment
1253 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1254 logic_mux_cond_.wait(logic_mux_lock);
1257 // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data
1258 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1259 logic_mux_cond_.wait(logic_mux_lock);
1262 } while (!logic_mux_interrupt_);
1265 void DecodeSignal::decode_data(
1266 const int64_t abs_start_samplenum, const int64_t sample_count,
1267 const shared_ptr<const LogicSegment> input_segment)
1269 const int64_t unit_size = input_segment->unit_size();
1270 const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
1272 for (int64_t i = abs_start_samplenum;
1273 !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
1274 i += chunk_sample_count) {
1276 const int64_t chunk_end = min(i + chunk_sample_count,
1277 abs_start_samplenum + sample_count);
1280 lock_guard<mutex> lock(output_mutex_);
1281 // Update the sample count showing the samples including currently processed ones
1282 segments_.at(current_segment_id_).samples_decoded_incl = chunk_end;
1285 int64_t data_size = (chunk_end - i) * unit_size;
1286 uint8_t* chunk = new uint8_t[data_size];
1287 input_segment->get_samples(i, chunk_end, chunk);
1289 if (srd_session_send(srd_session_, i, chunk_end, chunk,
1290 data_size, unit_size) != SRD_OK) {
1291 set_error_message(tr("Decoder reported an error"));
1292 decode_interrupt_ = true;
1298 lock_guard<mutex> lock(output_mutex_);
1299 // Now that all samples are processed, the exclusive sample count catches up
1300 segments_.at(current_segment_id_).samples_decoded_excl = chunk_end;
1303 // Notify the frontend that we processed some data and
1304 // possibly have new annotations as well
1307 if (decode_paused_) {
1308 unique_lock<mutex> pause_wait_lock(decode_pause_mutex_);
1309 decode_pause_cond_.wait(pause_wait_lock);
1314 void DecodeSignal::decode_proc()
1316 current_segment_id_ = 0;
1318 // If there is no input data available yet, wait until it is or we're interrupted
1320 if (logic_mux_data_->logic_segments().size() == 0) {
1321 // Wait for input data
1322 unique_lock<mutex> input_wait_lock(input_mutex_);
1323 decode_input_cond_.wait(input_wait_lock);
1325 } while ((!decode_interrupt_) && (logic_mux_data_->logic_segments().size() == 0));
1327 if (decode_interrupt_)
1330 shared_ptr<const LogicSegment> input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr();
1334 // Create the initial segment and set its sample rate so that we can pass it to SRD
1335 create_decode_segment();
1336 segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
1337 segments_.at(current_segment_id_).start_time = input_segment->start_time();
1339 start_srd_session();
1341 uint64_t samples_to_process = 0;
1342 uint64_t abs_start_samplenum = 0;
1344 // Keep processing new samples until we exhaust the input data
1346 samples_to_process = input_segment->get_sample_count() - abs_start_samplenum;
1348 if (samples_to_process > 0) {
1349 decode_data(abs_start_samplenum, samples_to_process, input_segment);
1350 abs_start_samplenum += samples_to_process;
1352 } while (!decode_interrupt_ && (samples_to_process > 0));
1354 if (!decode_interrupt_) {
1355 // samples_to_process is now 0, we've exhausted the currently available input data
1357 // If the input segment is complete, we've exhausted this segment
1358 if (input_segment->is_complete()) {
1359 if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) {
1360 // Process next segment
1361 current_segment_id_++;
1364 input_segment = logic_mux_data_->logic_segments().at(current_segment_id_);
1365 } catch (out_of_range&) {
1366 qDebug() << "Decode error for" << name() << ": no logic mux segment" \
1367 << current_segment_id_ << "in decode_proc(), mux segments size is" \
1368 << logic_mux_data_->logic_segments().size();
1369 decode_interrupt_ = true;
1372 abs_start_samplenum = 0;
1374 // Create the next segment and set its metadata
1375 create_decode_segment();
1376 segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
1377 segments_.at(current_segment_id_).start_time = input_segment->start_time();
1379 // Reset decoder state but keep the decoder stack intact
1380 terminate_srd_session();
1382 // All segments have been processed
1383 if (!decode_interrupt_)
1386 // Wait for more input data
1387 unique_lock<mutex> input_wait_lock(input_mutex_);
1388 decode_input_cond_.wait(input_wait_lock);
1391 // Input segment isn't complete yet but samples_to_process is 0, wait for more input data
1392 unique_lock<mutex> input_wait_lock(input_mutex_);
1393 decode_input_cond_.wait(input_wait_lock);
1397 } while (!decode_interrupt_);
1400 void DecodeSignal::start_srd_session()
1402 // If there were stack changes, the session has been destroyed by now, so if
1403 // it hasn't been destroyed, we can just reset and re-use it
1405 // When a decoder stack was created before, re-use it
1406 // for the next stream of input data, after terminating
1407 // potentially still executing operations, and resetting
1408 // internal state. Skip the rather expensive (teardown
1409 // and) construction of another decoder stack.
1411 // TODO Reduce redundancy, use a common code path for
1412 // the meta/start sequence?
1413 terminate_srd_session();
1415 // Metadata is cleared also, so re-set it
1416 uint64_t samplerate = 0;
1417 if (segments_.size() > 0)
1418 samplerate = segments_.at(current_segment_id_).samplerate;
1420 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1421 g_variant_new_uint64(samplerate));
1422 for (const shared_ptr<Decoder>& dec : stack_)
1423 dec->apply_all_options();
1424 srd_session_start(srd_session_);
1429 // Update the samplerates for the output logic channels
1430 update_output_signals();
1432 // Create the session
1433 srd_session_new(&srd_session_);
1434 assert(srd_session_);
1436 // Create the decoders
1437 srd_decoder_inst *prev_di = nullptr;
1438 for (const shared_ptr<Decoder>& dec : stack_) {
1439 srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_);
1442 set_error_message(tr("Failed to create decoder instance"));
1443 srd_session_destroy(srd_session_);
1444 srd_session_ = nullptr;
1449 srd_inst_stack(srd_session_, prev_di, di);
1454 // Start the session
1455 if (segments_.size() > 0)
1456 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1457 g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
1459 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
1460 DecodeSignal::annotation_callback, this);
1462 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY,
1463 DecodeSignal::binary_callback, this);
1465 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_LOGIC,
1466 DecodeSignal::logic_output_callback, this);
1468 srd_session_start(srd_session_);
1470 // We just recreated the srd session, so all stack changes are applied now
1471 stack_config_changed_ = false;
1474 void DecodeSignal::terminate_srd_session()
1476 // Call the "terminate and reset" routine for the decoder stack
1477 // (if available). This does not harm those stacks which already
1478 // have completed their operation, and reduces response time for
1479 // those stacks which still are processing data while the
1480 // application no longer wants them to.
1482 srd_session_terminate_reset(srd_session_);
1484 // Metadata is cleared also, so re-set it
1485 uint64_t samplerate = 0;
1486 if (segments_.size() > 0)
1487 samplerate = segments_.at(current_segment_id_).samplerate;
1489 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1490 g_variant_new_uint64(samplerate));
1491 for (const shared_ptr<Decoder>& dec : stack_)
1492 dec->apply_all_options();
1496 void DecodeSignal::stop_srd_session()
1499 // Destroy the session
1500 srd_session_destroy(srd_session_);
1501 srd_session_ = nullptr;
1503 // Mark the decoder instances as non-existant since they were deleted
1504 for (const shared_ptr<Decoder>& dec : stack_)
1505 dec->invalidate_decoder_inst();
1509 void DecodeSignal::connect_input_notifiers()
1511 // Connect the currently used signals to our slot
1512 for (decode::DecodeChannel& ch : channels_) {
1513 if (!ch.assigned_signal)
1515 const data::SignalBase *signal = ch.assigned_signal.get();
1517 connect(signal, SIGNAL(samples_cleared()),
1518 this, SLOT(on_data_cleared()), Qt::UniqueConnection);
1519 connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
1520 this, SLOT(on_data_received()), Qt::UniqueConnection);
1522 if (signal->logic_data())
1523 connect(signal->logic_data().get(), SIGNAL(segment_completed()),
1524 this, SLOT(on_input_segment_completed()), Qt::UniqueConnection);
1528 void DecodeSignal::disconnect_input_notifiers()
1530 // Disconnect the notification slot from the previous set of signals
1531 for (decode::DecodeChannel& ch : channels_) {
1532 if (!ch.assigned_signal)
1534 const data::SignalBase *signal = ch.assigned_signal.get();
1535 disconnect(signal, nullptr, this, SLOT(on_data_cleared()));
1536 disconnect(signal, nullptr, this, SLOT(on_data_received()));
1538 if (signal->logic_data())
1539 disconnect(signal->logic_data().get(), nullptr, this, SLOT(on_input_segment_completed()));
1543 void DecodeSignal::create_decode_segment()
1545 // Create annotation segment
1546 segments_.emplace_back();
1548 // Add annotation classes
1549 for (const shared_ptr<Decoder>& dec : stack_)
1550 for (Row* row : dec->get_rows())
1551 segments_.back().annotation_rows.emplace(row, RowData(row));
1553 // Prepare our binary output classes
1554 for (const shared_ptr<Decoder>& dec : stack_) {
1555 uint32_t n = dec->get_binary_class_count();
1557 for (uint32_t i = 0; i < n; i++)
1558 segments_.back().binary_classes.push_back(
1559 {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()});
1563 void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal)
1566 assert(decode_signal);
1568 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1571 if (ds->decode_interrupt_)
1574 if (ds->segments_.empty())
1577 lock_guard<mutex> lock(ds->output_mutex_);
1579 // Get the decoder and the annotation data
1581 assert(pdata->pdo->di);
1582 const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
1585 const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data;
1589 Decoder* dec = ds->get_decoder_by_instance(srd_dec);
1592 AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class);
1594 qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" <<
1595 "with class ID" << pda->ann_class << "but there are only" <<
1596 dec->ann_classes().size() << "known classes";
1600 const Row* row = ann_class->row;
1603 row = dec->get_row_by_id(0);
1605 RowData& row_data = ds->segments_[ds->current_segment_id_].annotation_rows.at(row);
1607 // Add the annotation to the row
1608 const Annotation* ann = row_data.emplace_annotation(pdata);
1610 // We insert the annotation into the global annotation list in a way so that
1611 // the annotation list is sorted by start sample and length. Otherwise, we'd
1612 // have to sort the model, which is expensive
1613 deque<const Annotation*>& all_annotations =
1614 ds->segments_[ds->current_segment_id_].all_annotations;
1616 if (all_annotations.empty()) {
1617 all_annotations.emplace_back(ann);
1619 const uint64_t new_ann_len = (pdata->end_sample - pdata->start_sample);
1620 bool ann_has_earlier_start = (pdata->start_sample < all_annotations.back()->start_sample());
1621 bool ann_is_longer = (new_ann_len >
1622 (all_annotations.back()->end_sample() - all_annotations.back()->start_sample()));
1624 if (ann_has_earlier_start && ann_is_longer) {
1625 bool ann_has_same_start;
1626 auto it = all_annotations.end();
1630 ann_has_earlier_start = (pdata->start_sample < (*it)->start_sample());
1631 ann_has_same_start = (pdata->start_sample == (*it)->start_sample());
1632 ann_is_longer = (new_ann_len > (*it)->length());
1633 } while ((ann_has_earlier_start || (ann_has_same_start && ann_is_longer)) && (it != all_annotations.begin()));
1635 // Allow inserting at the front
1636 if (it != all_annotations.begin())
1639 all_annotations.emplace(it, ann);
1641 all_annotations.emplace_back(ann);
1644 // When emplace_annotation() inserts instead of appends an annotation,
1645 // the pointers in all_annotations that follow the inserted annotation and
1646 // point to annotations for this row are off by one and must be updated
1647 if (&(row_data.annotations().back()) != ann) {
1648 // Search backwards until we find the annotation we just added
1649 auto row_it = row_data.annotations().end();
1650 auto all_it = all_annotations.end();
1653 if ((*all_it)->row_data() == &row_data)
1655 } while (&(*row_it) != ann);
1657 // Update the annotation addresses for this row's annotations until the end
1659 if ((*all_it)->row_data() == &row_data) {
1660 *all_it = &(*row_it);
1664 } while (all_it != all_annotations.end());
1668 void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal)
1671 assert(decode_signal);
1673 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1676 if (ds->decode_interrupt_)
1679 // Get the decoder and the binary data
1681 assert(pdata->pdo->di);
1682 const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
1685 const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data;
1688 // Find the matching DecodeBinaryClass
1689 DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_));
1691 DecodeBinaryClass* bin_class = nullptr;
1692 for (DecodeBinaryClass& bc : segment->binary_classes)
1693 if ((bc.decoder->get_srd_decoder() == srd_dec) &&
1694 (bc.info->bin_class_id == (uint32_t)pdb->bin_class))
1698 qWarning() << "Could not find valid DecodeBinaryClass in segment" <<
1699 ds->current_segment_id_ << "for binary class ID" << pdb->bin_class <<
1700 ", segment only knows" << segment->binary_classes.size() << "classes";
1704 // Add the data chunk
1705 bin_class->chunks.emplace_back();
1706 DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back());
1708 chunk->sample = pdata->start_sample;
1709 chunk->data.resize(pdb->size);
1710 memcpy(chunk->data.data(), pdb->data, pdb->size);
1712 Decoder* dec = ds->get_decoder_by_instance(srd_dec);
1714 ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class);
1717 void DecodeSignal::logic_output_callback(srd_proto_data *pdata, void *decode_signal)
1720 assert(decode_signal);
1722 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1725 if (ds->decode_interrupt_)
1728 lock_guard<mutex> lock(ds->output_mutex_);
1731 assert(pdata->pdo->di);
1732 const srd_decoder *const decc = pdata->pdo->di->decoder;
1735 const srd_proto_data_logic *const pdl = (const srd_proto_data_logic*)pdata->data;
1738 shared_ptr<Logic> output_logic = ds->output_logic_.at(decc);
1740 vector< shared_ptr<Segment> > segments = output_logic->segments();
1742 shared_ptr<LogicSegment> last_segment;
1744 if (!segments.empty())
1745 last_segment = dynamic_pointer_cast<LogicSegment>(segments.back());
1747 // Happens when the data was cleared - all segments are gone then
1748 // segment_id is always 0 as it's the first segment
1749 last_segment = make_shared<data::LogicSegment>(
1750 *output_logic, 0, (output_logic->num_channels() + 7) / 8, output_logic->get_samplerate());
1751 output_logic->push_segment(last_segment);
1754 vector<uint8_t> data;
1755 for (unsigned int i = pdata->start_sample; i < pdata->end_sample; i++)
1756 data.emplace_back(*((uint8_t*)pdl->data));
1758 last_segment->append_subsignal_payload(pdl->logic_class, data.data(), data.size());
1760 qInfo() << "Received logic output state change for class" << pdl->logic_class << "from decoder" \
1761 << QString::fromUtf8(decc->name) << "from" << pdata->start_sample << "to" << pdata->end_sample;
1764 void DecodeSignal::on_capture_state_changed(int state)
1766 // If a new acquisition was started, we need to start decoding from scratch
1767 if (state == Session::Running) {
1768 logic_mux_data_invalid_ = true;
1773 void DecodeSignal::on_data_cleared()
1778 void DecodeSignal::on_data_received()
1780 // If we detected a lack of input data when trying to start decoding,
1781 // we have set an error message. Bail out if we still don't have data
1783 if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0))
1786 if (!error_message_.isEmpty()) {
1787 error_message_.clear();
1788 // TODO Emulate noquote()
1789 qDebug().nospace() << name() << ": Input data available, error cleared";
1792 if (!logic_mux_thread_.joinable())
1795 logic_mux_cond_.notify_one();
1798 void DecodeSignal::on_input_segment_completed()
1800 if (!logic_mux_thread_.joinable())
1801 logic_mux_cond_.notify_one();
1804 void DecodeSignal::on_annotation_visibility_changed()
1806 annotation_visibility_changed();