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 logic_mux_data_.reset();
172 logic_mux_data_invalid_ = true;
174 if (!error_message_.isEmpty()) {
175 error_message_.clear();
176 // TODO Emulate noquote()
177 qDebug().nospace() << name() << ": Error cleared";
183 void DecodeSignal::begin_decode()
185 if (decode_thread_.joinable()) {
186 decode_interrupt_ = true;
187 decode_input_cond_.notify_one();
188 decode_thread_.join();
191 if (logic_mux_thread_.joinable()) {
192 logic_mux_interrupt_ = true;
193 logic_mux_cond_.notify_one();
194 logic_mux_thread_.join();
199 if (stack_.size() == 0) {
200 set_error_message(tr("No decoders"));
204 assert(channels_.size() > 0);
206 if (get_assigned_signal_count() == 0) {
207 set_error_message(tr("There are no channels assigned to this decoder"));
211 // Make sure that all assigned channels still provide logic data
212 // (can happen when a converted signal was assigned but the
213 // conversion removed in the meanwhile)
214 for (decode::DecodeChannel& ch : channels_)
215 if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr))
216 ch.assigned_signal = nullptr;
218 // Check that all decoders have the required channels
219 for (const shared_ptr<Decoder>& dec : stack_)
220 if (!dec->have_required_channels()) {
221 set_error_message(tr("One or more required channels "
222 "have not been specified"));
226 // Free the logic data and its segment(s) if it needs to be updated
227 if (logic_mux_data_invalid_)
228 logic_mux_data_.reset();
230 if (!logic_mux_data_) {
231 const uint32_t ch_count = get_assigned_signal_count();
232 logic_mux_unit_size_ = (ch_count + 7) / 8;
233 logic_mux_data_ = make_shared<Logic>(ch_count);
236 if (get_input_segment_count() == 0)
237 set_error_message(tr("No input data"));
239 // Make sure the logic output data is complete and up-to-date
240 logic_mux_interrupt_ = false;
241 logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this);
243 // Decode the muxed logic data
244 decode_interrupt_ = false;
245 decode_thread_ = std::thread(&DecodeSignal::decode_proc, this);
248 void DecodeSignal::pause_decode()
250 decode_paused_ = true;
253 void DecodeSignal::resume_decode()
255 // Manual unlocking is done before notifying, to avoid waking up the
256 // waiting thread only to block again (see notify_one for details)
257 decode_pause_mutex_.unlock();
258 decode_pause_cond_.notify_one();
259 decode_paused_ = false;
262 bool DecodeSignal::is_paused() const
264 return decode_paused_;
267 const vector<decode::DecodeChannel> DecodeSignal::get_channels() const
272 void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec)
274 bool new_assignment = false;
276 // Disconnect all input signal notifications so we don't have duplicate connections
277 disconnect_input_notifiers();
279 // Try to auto-select channels that don't have signals assigned yet
280 for (decode::DecodeChannel& ch : channels_) {
281 // If a decoder is given, auto-assign only its channels
282 if (dec && (ch.decoder_ != dec))
285 if (ch.assigned_signal)
288 QString ch_name = ch.name.toLower();
289 ch_name = ch_name.replace(QRegExp("[-_.]"), " ");
291 shared_ptr<data::SignalBase> match;
292 for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) {
296 QString s_name = s->name().toLower();
297 s_name = s_name.replace(QRegExp("[-_.]"), " ");
299 if (s->logic_data() &&
300 ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) {
304 // Only replace an existing match if it matches more characters
305 int old_unmatched = ch_name.length() - match->name().length();
306 int new_unmatched = ch_name.length() - s->name().length();
307 if (abs(new_unmatched) < abs(old_unmatched))
313 // Prevent using a signal more than once as D1 would match e.g. D1 and D10
314 bool signal_not_already_used = true;
315 for (decode::DecodeChannel& ch : channels_)
316 if (ch.assigned_signal && (ch.assigned_signal == match))
317 signal_not_already_used = false;
319 if (match && signal_not_already_used) {
320 ch.assigned_signal = match;
321 new_assignment = true;
325 if (new_assignment) {
326 // Receive notifications when new sample data is available
327 connect_input_notifiers();
329 logic_mux_data_invalid_ = true;
330 stack_config_changed_ = true;
331 commit_decoder_channels();
336 void DecodeSignal::assign_signal(const uint16_t channel_id, shared_ptr<const SignalBase> signal)
338 // Disconnect all input signal notifications so we don't have duplicate connections
339 disconnect_input_notifiers();
341 for (decode::DecodeChannel& ch : channels_)
342 if (ch.id == channel_id) {
343 ch.assigned_signal = signal;
344 logic_mux_data_invalid_ = true;
347 // Receive notifications when new sample data is available
348 connect_input_notifiers();
350 stack_config_changed_ = true;
351 commit_decoder_channels();
356 int DecodeSignal::get_assigned_signal_count() const
358 // Count all channels that have a signal assigned to them
359 return count_if(channels_.begin(), channels_.end(),
360 [](decode::DecodeChannel ch) { return ch.assigned_signal.get(); });
363 void DecodeSignal::update_output_signals()
365 for (const shared_ptr<decode::Decoder>& dec : stack_) {
368 if (dec->has_logic_output()) {
369 const vector<decode::DecoderLogicOutputChannel> logic_channels =
370 dec->logic_output_channels();
372 // All signals of a decoder share the same LogicSegment, so it's
373 // sufficient to check for the first channel only
374 const decode::DecoderLogicOutputChannel& first_ch = logic_channels[0];
376 bool ch_exists = false;
377 for (const shared_ptr<SignalBase>& signal : output_signals_)
378 if (signal->internal_name() == first_ch.id)
382 shared_ptr<Logic> logic_data = make_shared<Logic>(logic_channels.size());
383 output_logic_[dec->get_srd_decoder()] = logic_data;
385 shared_ptr<LogicSegment> logic_segment = make_shared<data::LogicSegment>(
386 *logic_data, 0, (logic_data->num_channels() + 7) / 8, first_ch.samplerate);
387 logic_data->push_segment(logic_segment);
390 for (const decode::DecoderLogicOutputChannel& logic_ch : logic_channels) {
391 shared_ptr<data::SignalBase> signal =
392 make_shared<data::SignalBase>(nullptr, LogicChannel);
393 signal->set_internal_name(logic_ch.id);
394 signal->set_name(logic_ch.id);
395 signal->set_index(index);
396 signal->set_data(logic_data);
397 output_signals_.push_back(signal);
398 session_.add_generated_signal(signal);
405 // TODO Delete signals that no longer have a corresponding decoder (also from session)
406 // TODO Check whether all sample rates are the same as the session's
407 // TODO Set colors to the same as the decoder's background color
410 void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state)
412 for (decode::DecodeChannel& ch : channels_)
413 if (ch.id == channel_id)
414 ch.initial_pin_state = init_state;
416 stack_config_changed_ = true;
421 double DecodeSignal::get_samplerate() const
425 // TODO For now, we simply return the first samplerate that we have
426 if (segments_.size() > 0)
427 result = segments_.front().samplerate;
432 const pv::util::Timestamp DecodeSignal::start_time() const
434 pv::util::Timestamp result;
436 // TODO For now, we simply return the first start time that we have
437 if (segments_.size() > 0)
438 result = segments_.front().start_time;
443 int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const
445 // The working sample count is the highest sample number for
446 // which all used signals have data available, so go through all
447 // channels and use the lowest overall sample count of the segment
449 int64_t count = std::numeric_limits<int64_t>::max();
450 bool no_signals_assigned = true;
452 for (const decode::DecodeChannel& ch : channels_)
453 if (ch.assigned_signal) {
454 if (!ch.assigned_signal->logic_data())
457 no_signals_assigned = false;
459 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
460 if (logic_data->logic_segments().empty())
463 if (segment_id >= logic_data->logic_segments().size())
466 const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
468 count = min(count, (int64_t)segment->get_sample_count());
471 return (no_signals_assigned ? 0 : count);
474 int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id,
475 bool include_processing) const
477 lock_guard<mutex> decode_lock(output_mutex_);
481 if (segment_id >= segments_.size())
484 if (include_processing)
485 result = segments_[segment_id].samples_decoded_incl;
487 result = segments_[segment_id].samples_decoded_excl;
492 vector<Row*> DecodeSignal::get_rows(bool visible_only)
496 for (const shared_ptr<Decoder>& dec : stack_) {
498 if (visible_only && !dec->visible())
501 for (Row* row : dec->get_rows())
508 vector<const Row*> DecodeSignal::get_rows(bool visible_only) const
510 vector<const Row*> rows;
512 for (const shared_ptr<Decoder>& dec : stack_) {
514 if (visible_only && !dec->visible())
517 for (const Row* row : dec->get_rows())
524 uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const
526 if (segment_id >= segments_.size())
529 const DecodeSegment* segment = &(segments_.at(segment_id));
531 auto row_it = segment->annotation_rows.find(row);
534 if (row_it == segment->annotation_rows.end())
537 rd = &(row_it->second);
539 return rd->get_annotation_count();
542 void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest,
543 const Row* row, uint32_t segment_id, uint64_t start_sample,
544 uint64_t end_sample) const
546 lock_guard<mutex> lock(output_mutex_);
548 if (segment_id >= segments_.size())
551 const DecodeSegment* segment = &(segments_.at(segment_id));
553 auto row_it = segment->annotation_rows.find(row);
556 if (row_it == segment->annotation_rows.end())
559 rd = &(row_it->second);
561 rd->get_annotation_subset(dest, start_sample, end_sample);
564 void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest,
565 uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
567 for (const Row* row : get_rows())
568 get_annotation_subset(dest, row, segment_id, start_sample, end_sample);
571 uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id,
572 const Decoder* dec, uint32_t bin_class_id) const
574 if ((segments_.size() == 0) || (segment_id >= segments_.size()))
577 const DecodeSegment *segment = &(segments_[segment_id]);
579 for (const DecodeBinaryClass& bc : segment->binary_classes)
580 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
581 return bc.chunks.size();
586 void DecodeSignal::get_binary_data_chunk(uint32_t segment_id,
587 const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id,
588 const vector<uint8_t> **dest, uint64_t *size)
590 if (segment_id >= segments_.size())
593 const DecodeSegment *segment = &(segments_[segment_id]);
595 for (const DecodeBinaryClass& bc : segment->binary_classes)
596 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) {
597 if (dest) *dest = &(bc.chunks.at(chunk_id).data);
598 if (size) *size = bc.chunks.at(chunk_id).data.size();
603 void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id,
604 const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample,
605 uint64_t end_sample, vector<uint8_t> *dest) const
607 assert(dest != nullptr);
609 if (segment_id >= segments_.size())
612 const DecodeSegment *segment = &(segments_[segment_id]);
614 const DecodeBinaryClass* bin_class = nullptr;
615 for (const DecodeBinaryClass& bc : segment->binary_classes)
616 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
619 // Determine overall size before copying to resize dest vector only once
621 uint64_t matches = 0;
622 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
623 if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
624 size += chunk.data.size();
630 uint64_t matches2 = 0;
631 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
632 if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
633 memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size());
634 offset += chunk.data.size();
637 // Make sure we don't overwrite memory if the array grew in the meanwhile
638 if (matches2 == matches)
643 void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id,
644 const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end,
645 vector<uint8_t> *dest) const
647 assert(dest != nullptr);
649 if (segment_id >= segments_.size())
652 const DecodeSegment *segment = &(segments_[segment_id]);
654 const DecodeBinaryClass* bin_class = nullptr;
655 for (const DecodeBinaryClass& bc : segment->binary_classes)
656 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
659 // Determine overall size before copying to resize dest vector only once
662 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
664 size += chunk.data.size();
665 offset += chunk.data.size();
672 uint64_t dest_offset = 0;
673 for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
674 if (offset >= start) {
675 memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size());
676 dest_offset += chunk.data.size();
678 offset += chunk.data.size();
684 const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id,
685 const Decoder* dec, uint32_t bin_class_id) const
687 if (segment_id >= segments_.size())
690 const DecodeSegment *segment = &(segments_[segment_id]);
692 for (const DecodeBinaryClass& bc : segment->binary_classes)
693 if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
699 const deque<const Annotation*>* DecodeSignal::get_all_annotations_by_segment(
700 uint32_t segment_id) const
702 if (segment_id >= segments_.size())
705 const DecodeSegment *segment = &(segments_[segment_id]);
707 return &(segment->all_annotations);
710 void DecodeSignal::save_settings(QSettings &settings) const
712 SignalBase::save_settings(settings);
714 settings.setValue("decoders", (int)(stack_.size()));
716 // Save decoder stack
718 for (const shared_ptr<Decoder>& decoder : stack_) {
719 settings.beginGroup("decoder" + QString::number(decoder_idx++));
721 settings.setValue("id", decoder->get_srd_decoder()->id);
722 settings.setValue("visible", decoder->visible());
724 // Save decoder options
725 const map<string, GVariant*>& options = decoder->options();
727 settings.setValue("options", (int)options.size());
729 // Note: Decoder::options() returns only the options
730 // that differ from the default. See binding::Decoder::getter()
732 for (auto& option : options) {
733 settings.beginGroup("option" + QString::number(i));
734 settings.setValue("name", QString::fromStdString(option.first));
735 GlobalSettings::store_gvariant(settings, option.second);
740 // Save row properties
742 for (const Row* row : decoder->get_rows()) {
743 settings.beginGroup("row" + QString::number(i));
744 settings.setValue("visible", row->visible());
749 // Save class properties
751 for (const AnnotationClass* ann_class : decoder->ann_classes()) {
752 settings.beginGroup("ann_class" + QString::number(i));
753 settings.setValue("visible", ann_class->visible());
761 // Save channel mapping
762 settings.setValue("channels", (int)channels_.size());
764 for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) {
765 auto channel = find_if(channels_.begin(), channels_.end(),
766 [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
768 if (channel == channels_.end()) {
769 qDebug() << "ERROR: Gap in channel index:" << channel_id;
773 settings.beginGroup("channel" + QString::number(channel_id));
775 settings.setValue("name", channel->name); // Useful for debugging
776 settings.setValue("initial_pin_state", channel->initial_pin_state);
778 if (channel->assigned_signal)
779 settings.setValue("assigned_signal_name", channel->assigned_signal->name());
784 // TODO Save logic output signal settings
787 void DecodeSignal::restore_settings(QSettings &settings)
789 SignalBase::restore_settings(settings);
791 // Restore decoder stack
792 GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list());
794 int decoders = settings.value("decoders").toInt();
796 for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) {
797 settings.beginGroup("decoder" + QString::number(decoder_idx));
799 QString id = settings.value("id").toString();
801 for (GSList *entry = dec_list; entry; entry = entry->next) {
802 const srd_decoder *dec = (srd_decoder*)entry->data;
806 if (QString::fromUtf8(dec->id) == id) {
807 shared_ptr<Decoder> decoder = make_shared<Decoder>(dec, stack_.size());
809 connect(decoder.get(), SIGNAL(annotation_visibility_changed()),
810 this, SLOT(on_annotation_visibility_changed()));
812 stack_.push_back(decoder);
813 decoder->set_visible(settings.value("visible", true).toBool());
815 // Restore decoder options that differ from their default
816 int options = settings.value("options").toInt();
818 for (int i = 0; i < options; i++) {
819 settings.beginGroup("option" + QString::number(i));
820 QString name = settings.value("name").toString();
821 GVariant *value = GlobalSettings::restore_gvariant(settings);
822 decoder->set_option(name.toUtf8(), value);
826 // Include the newly created decode channels in the channel lists
827 update_channel_list();
829 // Restore row properties
831 for (Row* row : decoder->get_rows()) {
832 settings.beginGroup("row" + QString::number(i));
833 row->set_visible(settings.value("visible", true).toBool());
838 // Restore class properties
840 for (AnnotationClass* ann_class : decoder->ann_classes()) {
841 settings.beginGroup("ann_class" + QString::number(i));
842 ann_class->set_visible(settings.value("visible", true).toBool());
855 // Restore channel mapping
856 unsigned int channels = settings.value("channels").toInt();
858 const vector< shared_ptr<data::SignalBase> > signalbases =
859 session_.signalbases();
861 for (unsigned int channel_id = 0; channel_id < channels; channel_id++) {
862 auto channel = find_if(channels_.begin(), channels_.end(),
863 [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
865 if (channel == channels_.end()) {
866 qDebug() << "ERROR: Non-existant channel index:" << channel_id;
870 settings.beginGroup("channel" + QString::number(channel_id));
872 QString assigned_signal_name = settings.value("assigned_signal_name").toString();
874 for (const shared_ptr<data::SignalBase>& signal : signalbases)
875 if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel))
876 channel->assigned_signal = signal;
878 channel->initial_pin_state = settings.value("initial_pin_state").toInt();
883 connect_input_notifiers();
885 // Update the internal structures
886 stack_config_changed_ = true;
887 update_channel_list();
888 commit_decoder_channels();
889 update_output_signals();
891 // TODO Restore logic output signal settings
896 bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const
898 bool all_complete = true;
900 for (const decode::DecodeChannel& ch : channels_)
901 if (ch.assigned_signal) {
902 if (!ch.assigned_signal->logic_data())
905 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
906 if (logic_data->logic_segments().empty())
909 if (segment_id >= logic_data->logic_segments().size())
912 const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
913 if (segment && !segment->is_complete())
914 all_complete = false;
920 uint32_t DecodeSignal::get_input_segment_count() const
922 uint64_t count = std::numeric_limits<uint64_t>::max();
923 bool no_signals_assigned = true;
925 for (const decode::DecodeChannel& ch : channels_)
926 if (ch.assigned_signal) {
927 no_signals_assigned = false;
929 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
930 if (!logic_data || logic_data->logic_segments().empty())
933 // Find the min value of all segment counts
934 if ((uint64_t)(logic_data->logic_segments().size()) < count)
935 count = logic_data->logic_segments().size();
938 return (no_signals_assigned ? 0 : count);
941 double DecodeSignal::get_input_samplerate(uint32_t segment_id) const
943 double samplerate = 0;
945 for (const decode::DecodeChannel& ch : channels_)
946 if (ch.assigned_signal) {
947 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
948 if (!logic_data || logic_data->logic_segments().empty())
952 const shared_ptr<const LogicSegment> segment =
953 logic_data->logic_segments().at(segment_id)->get_shared_ptr();
955 samplerate = segment->samplerate();
956 } catch (out_of_range&) {
965 Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec)
967 for (shared_ptr<Decoder>& d : stack_)
968 if (d->get_srd_decoder() == srd_dec)
974 void DecodeSignal::update_channel_list()
976 vector<decode::DecodeChannel> prev_channels = channels_;
981 // Copy existing entries, create new as needed
982 for (shared_ptr<Decoder>& decoder : stack_) {
983 const srd_decoder* srd_dec = decoder->get_srd_decoder();
986 // Mandatory channels
987 for (l = srd_dec->channels; l; l = l->next) {
988 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
989 bool ch_added = false;
991 // Copy but update ID if this channel was in the list before
992 for (decode::DecodeChannel& ch : prev_channels)
993 if (ch.pdch_ == pdch) {
995 channels_.push_back(ch);
1001 // Create new entry without a mapped signal
1002 decode::DecodeChannel ch = {id++, 0, false, nullptr,
1003 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
1004 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
1005 channels_.push_back(ch);
1009 // Optional channels
1010 for (l = srd_dec->opt_channels; l; l = l->next) {
1011 const struct srd_channel *const pdch = (struct srd_channel *)l->data;
1012 bool ch_added = false;
1014 // Copy but update ID if this channel was in the list before
1015 for (decode::DecodeChannel& ch : prev_channels)
1016 if (ch.pdch_ == pdch) {
1018 channels_.push_back(ch);
1024 // Create new entry without a mapped signal
1025 decode::DecodeChannel ch = {id++, 0, true, nullptr,
1026 QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
1027 SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
1028 channels_.push_back(ch);
1033 // Invalidate the logic output data if the channel assignment changed
1034 if (prev_channels.size() != channels_.size()) {
1035 // The number of channels changed, there's definitely a difference
1036 logic_mux_data_invalid_ = true;
1038 // Same number but assignment may still differ, so compare all channels
1039 for (size_t i = 0; i < channels_.size(); i++) {
1040 const decode::DecodeChannel& p_ch = prev_channels[i];
1041 const decode::DecodeChannel& ch = channels_[i];
1043 if ((p_ch.pdch_ != ch.pdch_) ||
1044 (p_ch.assigned_signal != ch.assigned_signal)) {
1045 logic_mux_data_invalid_ = true;
1055 void DecodeSignal::commit_decoder_channels()
1057 // Submit channel list to every decoder, containing only the relevant channels
1058 for (shared_ptr<Decoder> dec : stack_) {
1059 vector<decode::DecodeChannel*> channel_list;
1061 for (decode::DecodeChannel& ch : channels_)
1062 if (ch.decoder_ == dec)
1063 channel_list.push_back(&ch);
1065 dec->set_channels(channel_list);
1068 // Channel bit IDs must be in sync with the channel's apperance in channels_
1070 for (decode::DecodeChannel& ch : channels_)
1071 if (ch.assigned_signal)
1075 void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end)
1077 // Enforce end to be greater than start
1081 // Fetch the channel segments and their data
1082 vector<shared_ptr<const LogicSegment> > segments;
1083 vector<const uint8_t*> signal_data;
1084 vector<uint8_t> signal_in_bytepos;
1085 vector<uint8_t> signal_in_bitpos;
1087 for (decode::DecodeChannel& ch : channels_)
1088 if (ch.assigned_signal) {
1089 const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
1091 shared_ptr<const LogicSegment> segment;
1092 if (segment_id < logic_data->logic_segments().size()) {
1093 segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
1095 qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \
1096 << "has no logic segment" << segment_id;
1097 logic_mux_interrupt_ = true;
1104 segments.push_back(segment);
1106 uint8_t* data = new uint8_t[(end - start) * segment->unit_size()];
1107 segment->get_samples(start, end, data);
1108 signal_data.push_back(data);
1110 const int bitpos = ch.assigned_signal->logic_bit_index();
1111 signal_in_bytepos.push_back(bitpos / 8);
1112 signal_in_bitpos.push_back(bitpos % 8);
1115 shared_ptr<LogicSegment> output_segment;
1117 output_segment = logic_mux_data_->logic_segments().at(segment_id);
1118 } catch (out_of_range&) {
1119 qDebug() << "Muxer error for" << name() << ": no logic mux segment" \
1120 << segment_id << "in mux_logic_samples(), mux segments size is" \
1121 << logic_mux_data_->logic_segments().size();
1122 logic_mux_interrupt_ = true;
1126 // Perform the muxing of signal data into the output data
1127 uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()];
1128 unsigned int signal_count = signal_data.size();
1130 for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start));
1134 uint8_t bytepos = 0;
1136 const int out_sample_pos = sample_cnt * output_segment->unit_size();
1137 for (unsigned int i = 0; i < output_segment->unit_size(); i++)
1138 output[out_sample_pos + i] = 0;
1140 for (unsigned int i = 0; i < signal_count; i++) {
1141 const int in_sample_pos = sample_cnt * segments[i]->unit_size();
1142 const uint8_t in_sample = 1 &
1143 ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i]));
1145 const uint8_t out_sample = output[out_sample_pos + bytepos];
1147 output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos);
1157 output_segment->append_payload(output, (end - start) * output_segment->unit_size());
1160 for (const uint8_t* data : signal_data)
1164 void DecodeSignal::logic_mux_proc()
1166 uint32_t input_segment_count;
1168 input_segment_count = get_input_segment_count();
1169 if (input_segment_count == 0) {
1170 // Wait for input data
1171 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1172 logic_mux_cond_.wait(logic_mux_lock);
1174 } while ((!logic_mux_interrupt_) && (input_segment_count == 0));
1176 if (logic_mux_interrupt_)
1179 assert(logic_mux_data_);
1181 uint32_t segment_id = 0;
1183 // Create initial logic mux segment
1184 shared_ptr<LogicSegment> output_segment =
1185 make_shared<LogicSegment>(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0);
1186 logic_mux_data_->push_segment(output_segment);
1188 output_segment->set_samplerate(get_input_samplerate(0));
1190 // Logic mux data is being updated
1191 logic_mux_data_invalid_ = false;
1193 uint64_t samples_to_process;
1196 const uint64_t input_sample_count = get_working_sample_count(segment_id);
1197 const uint64_t output_sample_count = output_segment->get_sample_count();
1199 samples_to_process =
1200 (input_sample_count > output_sample_count) ?
1201 (input_sample_count - output_sample_count) : 0;
1203 if (samples_to_process > 0) {
1204 const uint64_t unit_size = output_segment->unit_size();
1205 const uint64_t chunk_sample_count = DecodeChunkLength / unit_size;
1207 uint64_t processed_samples = 0;
1209 const uint64_t start_sample = output_sample_count + processed_samples;
1210 const uint64_t sample_count =
1211 min(samples_to_process - processed_samples, chunk_sample_count);
1213 mux_logic_samples(segment_id, start_sample, start_sample + sample_count);
1214 processed_samples += sample_count;
1216 // ...and process the newly muxed logic data
1217 decode_input_cond_.notify_one();
1218 } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process));
1220 } while (!logic_mux_interrupt_ && (samples_to_process > 0));
1222 if (!logic_mux_interrupt_) {
1223 // samples_to_process is now 0, we've exhausted the currently available input data
1225 // If the input segments are complete, we've completed this segment
1226 if (all_input_segments_complete(segment_id)) {
1227 if (!output_segment->is_complete())
1228 output_segment->set_complete();
1230 if (segment_id < get_input_segment_count() - 1) {
1232 // Process next segment
1236 make_shared<LogicSegment>(*logic_mux_data_, segment_id,
1237 logic_mux_unit_size_, 0);
1238 logic_mux_data_->push_segment(output_segment);
1240 output_segment->set_samplerate(get_input_samplerate(segment_id));
1242 // Wait for more input data if we're processing the currently last segment
1243 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1244 logic_mux_cond_.wait(logic_mux_lock);
1247 // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data
1248 unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
1249 logic_mux_cond_.wait(logic_mux_lock);
1252 } while (!logic_mux_interrupt_);
1255 void DecodeSignal::decode_data(
1256 const int64_t abs_start_samplenum, const int64_t sample_count,
1257 const shared_ptr<const LogicSegment> input_segment)
1259 const int64_t unit_size = input_segment->unit_size();
1260 const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
1262 for (int64_t i = abs_start_samplenum;
1263 !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
1264 i += chunk_sample_count) {
1266 const int64_t chunk_end = min(i + chunk_sample_count,
1267 abs_start_samplenum + sample_count);
1270 lock_guard<mutex> lock(output_mutex_);
1271 // Update the sample count showing the samples including currently processed ones
1272 segments_.at(current_segment_id_).samples_decoded_incl = chunk_end;
1275 int64_t data_size = (chunk_end - i) * unit_size;
1276 uint8_t* chunk = new uint8_t[data_size];
1277 input_segment->get_samples(i, chunk_end, chunk);
1279 if (srd_session_send(srd_session_, i, chunk_end, chunk,
1280 data_size, unit_size) != SRD_OK) {
1281 set_error_message(tr("Decoder reported an error"));
1282 decode_interrupt_ = true;
1288 lock_guard<mutex> lock(output_mutex_);
1289 // Now that all samples are processed, the exclusive sample count catches up
1290 segments_.at(current_segment_id_).samples_decoded_excl = chunk_end;
1293 // Notify the frontend that we processed some data and
1294 // possibly have new annotations as well
1297 if (decode_paused_) {
1298 unique_lock<mutex> pause_wait_lock(decode_pause_mutex_);
1299 decode_pause_cond_.wait(pause_wait_lock);
1304 void DecodeSignal::decode_proc()
1306 current_segment_id_ = 0;
1308 // If there is no input data available yet, wait until it is or we're interrupted
1310 if (logic_mux_data_->logic_segments().size() == 0) {
1311 // Wait for input data
1312 unique_lock<mutex> input_wait_lock(input_mutex_);
1313 decode_input_cond_.wait(input_wait_lock);
1315 } while ((!decode_interrupt_) && (logic_mux_data_->logic_segments().size() == 0));
1317 if (decode_interrupt_)
1320 shared_ptr<const LogicSegment> input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr();
1324 // Create the initial segment and set its sample rate so that we can pass it to SRD
1325 create_decode_segment();
1326 segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
1327 segments_.at(current_segment_id_).start_time = input_segment->start_time();
1329 start_srd_session();
1331 uint64_t samples_to_process = 0;
1332 uint64_t abs_start_samplenum = 0;
1334 // Keep processing new samples until we exhaust the input data
1336 samples_to_process = input_segment->get_sample_count() - abs_start_samplenum;
1338 if (samples_to_process > 0) {
1339 decode_data(abs_start_samplenum, samples_to_process, input_segment);
1340 abs_start_samplenum += samples_to_process;
1342 } while (!decode_interrupt_ && (samples_to_process > 0));
1344 if (!decode_interrupt_) {
1345 // samples_to_process is now 0, we've exhausted the currently available input data
1347 // If the input segment is complete, we've exhausted this segment
1348 if (input_segment->is_complete()) {
1349 if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) {
1350 // Process next segment
1351 current_segment_id_++;
1354 input_segment = logic_mux_data_->logic_segments().at(current_segment_id_);
1355 } catch (out_of_range&) {
1356 qDebug() << "Decode error for" << name() << ": no logic mux segment" \
1357 << current_segment_id_ << "in decode_proc(), mux segments size is" \
1358 << logic_mux_data_->logic_segments().size();
1359 decode_interrupt_ = true;
1362 abs_start_samplenum = 0;
1364 // Create the next segment and set its metadata
1365 create_decode_segment();
1366 segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
1367 segments_.at(current_segment_id_).start_time = input_segment->start_time();
1369 // Reset decoder state but keep the decoder stack intact
1370 terminate_srd_session();
1372 // All segments have been processed
1373 if (!decode_interrupt_)
1376 // Wait for more input data
1377 unique_lock<mutex> input_wait_lock(input_mutex_);
1378 decode_input_cond_.wait(input_wait_lock);
1381 // Input segment isn't complete yet but samples_to_process is 0, wait for more input data
1382 unique_lock<mutex> input_wait_lock(input_mutex_);
1383 decode_input_cond_.wait(input_wait_lock);
1387 } while (!decode_interrupt_);
1390 void DecodeSignal::start_srd_session()
1392 // If there were stack changes, the session has been destroyed by now, so if
1393 // it hasn't been destroyed, we can just reset and re-use it
1395 // When a decoder stack was created before, re-use it
1396 // for the next stream of input data, after terminating
1397 // potentially still executing operations, and resetting
1398 // internal state. Skip the rather expensive (teardown
1399 // and) construction of another decoder stack.
1401 // TODO Reduce redundancy, use a common code path for
1402 // the meta/start sequence?
1403 terminate_srd_session();
1405 // Metadata is cleared also, so re-set it
1406 uint64_t samplerate = 0;
1407 if (segments_.size() > 0)
1408 samplerate = segments_.at(current_segment_id_).samplerate;
1410 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1411 g_variant_new_uint64(samplerate));
1412 for (const shared_ptr<Decoder>& dec : stack_)
1413 dec->apply_all_options();
1414 srd_session_start(srd_session_);
1419 // Create the session
1420 srd_session_new(&srd_session_);
1421 assert(srd_session_);
1423 // Create the decoders
1424 srd_decoder_inst *prev_di = nullptr;
1425 for (const shared_ptr<Decoder>& dec : stack_) {
1426 srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_);
1429 set_error_message(tr("Failed to create decoder instance"));
1430 srd_session_destroy(srd_session_);
1431 srd_session_ = nullptr;
1436 srd_inst_stack(srd_session_, prev_di, di);
1441 // Start the session
1442 if (segments_.size() > 0)
1443 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1444 g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
1446 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
1447 DecodeSignal::annotation_callback, this);
1449 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY,
1450 DecodeSignal::binary_callback, this);
1452 srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_LOGIC,
1453 DecodeSignal::logic_output_callback, this);
1455 srd_session_start(srd_session_);
1457 // We just recreated the srd session, so all stack changes are applied now
1458 stack_config_changed_ = false;
1461 void DecodeSignal::terminate_srd_session()
1463 // Call the "terminate and reset" routine for the decoder stack
1464 // (if available). This does not harm those stacks which already
1465 // have completed their operation, and reduces response time for
1466 // those stacks which still are processing data while the
1467 // application no longer wants them to.
1469 srd_session_terminate_reset(srd_session_);
1471 // Metadata is cleared also, so re-set it
1472 uint64_t samplerate = 0;
1473 if (segments_.size() > 0)
1474 samplerate = segments_.at(current_segment_id_).samplerate;
1476 srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
1477 g_variant_new_uint64(samplerate));
1478 for (const shared_ptr<Decoder>& dec : stack_)
1479 dec->apply_all_options();
1483 void DecodeSignal::stop_srd_session()
1486 // Destroy the session
1487 srd_session_destroy(srd_session_);
1488 srd_session_ = nullptr;
1490 // Mark the decoder instances as non-existant since they were deleted
1491 for (const shared_ptr<Decoder>& dec : stack_)
1492 dec->invalidate_decoder_inst();
1496 void DecodeSignal::connect_input_notifiers()
1498 // Connect the currently used signals to our slot
1499 for (decode::DecodeChannel& ch : channels_) {
1500 if (!ch.assigned_signal)
1502 const data::SignalBase *signal = ch.assigned_signal.get();
1504 connect(signal, SIGNAL(samples_cleared()),
1505 this, SLOT(on_data_cleared()), Qt::UniqueConnection);
1506 connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
1507 this, SLOT(on_data_received()), Qt::UniqueConnection);
1509 if (signal->logic_data())
1510 connect(signal->logic_data().get(), SIGNAL(segment_completed()),
1511 this, SLOT(on_input_segment_completed()), Qt::UniqueConnection);
1515 void DecodeSignal::disconnect_input_notifiers()
1517 // Disconnect the notification slot from the previous set of signals
1518 for (decode::DecodeChannel& ch : channels_) {
1519 if (!ch.assigned_signal)
1521 const data::SignalBase *signal = ch.assigned_signal.get();
1522 disconnect(signal, nullptr, this, SLOT(on_data_cleared()));
1523 disconnect(signal, nullptr, this, SLOT(on_data_received()));
1525 if (signal->logic_data())
1526 disconnect(signal->logic_data().get(), nullptr, this, SLOT(on_input_segment_completed()));
1530 void DecodeSignal::create_decode_segment()
1532 // Create annotation segment
1533 segments_.emplace_back();
1535 // Add annotation classes
1536 for (const shared_ptr<Decoder>& dec : stack_)
1537 for (Row* row : dec->get_rows())
1538 segments_.back().annotation_rows.emplace(row, RowData(row));
1540 // Prepare our binary output classes
1541 for (const shared_ptr<Decoder>& dec : stack_) {
1542 uint32_t n = dec->get_binary_class_count();
1544 for (uint32_t i = 0; i < n; i++)
1545 segments_.back().binary_classes.push_back(
1546 {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()});
1550 void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal)
1553 assert(decode_signal);
1555 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1558 if (ds->decode_interrupt_)
1561 if (ds->segments_.empty())
1564 lock_guard<mutex> lock(ds->output_mutex_);
1566 // Get the decoder and the annotation data
1568 assert(pdata->pdo->di);
1569 const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
1572 const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data;
1576 Decoder* dec = ds->get_decoder_by_instance(srd_dec);
1579 AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class);
1581 qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" <<
1582 "with class ID" << pda->ann_class << "but there are only" <<
1583 dec->ann_classes().size() << "known classes";
1587 const Row* row = ann_class->row;
1590 row = dec->get_row_by_id(0);
1592 RowData& row_data = ds->segments_[ds->current_segment_id_].annotation_rows.at(row);
1594 // Add the annotation to the row
1595 const Annotation* ann = row_data.emplace_annotation(pdata);
1597 // We insert the annotation into the global annotation list in a way so that
1598 // the annotation list is sorted by start sample and length. Otherwise, we'd
1599 // have to sort the model, which is expensive
1600 deque<const Annotation*>& all_annotations =
1601 ds->segments_[ds->current_segment_id_].all_annotations;
1603 if (all_annotations.empty()) {
1604 all_annotations.emplace_back(ann);
1606 const uint64_t new_ann_len = (pdata->end_sample - pdata->start_sample);
1607 bool ann_has_earlier_start = (pdata->start_sample < all_annotations.back()->start_sample());
1608 bool ann_is_longer = (new_ann_len >
1609 (all_annotations.back()->end_sample() - all_annotations.back()->start_sample()));
1611 if (ann_has_earlier_start && ann_is_longer) {
1612 bool ann_has_same_start;
1613 auto it = all_annotations.end();
1617 ann_has_earlier_start = (pdata->start_sample < (*it)->start_sample());
1618 ann_has_same_start = (pdata->start_sample == (*it)->start_sample());
1619 ann_is_longer = (new_ann_len > (*it)->length());
1620 } while ((ann_has_earlier_start || (ann_has_same_start && ann_is_longer)) && (it != all_annotations.begin()));
1622 // Allow inserting at the front
1623 if (it != all_annotations.begin())
1626 all_annotations.emplace(it, ann);
1628 all_annotations.emplace_back(ann);
1631 // When emplace_annotation() inserts instead of appends an annotation,
1632 // the pointers in all_annotations that follow the inserted annotation and
1633 // point to annotations for this row are off by one and must be updated
1634 if (&(row_data.annotations().back()) != ann) {
1635 // Search backwards until we find the annotation we just added
1636 auto row_it = row_data.annotations().end();
1637 auto all_it = all_annotations.end();
1640 if ((*all_it)->row_data() == &row_data)
1642 } while (&(*row_it) != ann);
1644 // Update the annotation addresses for this row's annotations until the end
1646 if ((*all_it)->row_data() == &row_data) {
1647 *all_it = &(*row_it);
1651 } while (all_it != all_annotations.end());
1655 void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal)
1658 assert(decode_signal);
1660 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1663 if (ds->decode_interrupt_)
1666 // Get the decoder and the binary data
1668 assert(pdata->pdo->di);
1669 const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
1672 const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data;
1675 // Find the matching DecodeBinaryClass
1676 DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_));
1678 DecodeBinaryClass* bin_class = nullptr;
1679 for (DecodeBinaryClass& bc : segment->binary_classes)
1680 if ((bc.decoder->get_srd_decoder() == srd_dec) &&
1681 (bc.info->bin_class_id == (uint32_t)pdb->bin_class))
1685 qWarning() << "Could not find valid DecodeBinaryClass in segment" <<
1686 ds->current_segment_id_ << "for binary class ID" << pdb->bin_class <<
1687 ", segment only knows" << segment->binary_classes.size() << "classes";
1691 // Add the data chunk
1692 bin_class->chunks.emplace_back();
1693 DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back());
1695 chunk->sample = pdata->start_sample;
1696 chunk->data.resize(pdb->size);
1697 memcpy(chunk->data.data(), pdb->data, pdb->size);
1699 Decoder* dec = ds->get_decoder_by_instance(srd_dec);
1701 ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class);
1704 void DecodeSignal::logic_output_callback(srd_proto_data *pdata, void *decode_signal)
1707 assert(decode_signal);
1709 DecodeSignal *const ds = (DecodeSignal*)decode_signal;
1712 if (ds->decode_interrupt_)
1715 lock_guard<mutex> lock(ds->output_mutex_);
1718 assert(pdata->pdo->di);
1719 const srd_decoder *const decc = pdata->pdo->di->decoder;
1722 const srd_proto_data_logic *const pdl = (const srd_proto_data_logic*)pdata->data;
1725 shared_ptr<Logic> output_logic = ds->output_logic_.at(decc);
1726 shared_ptr<LogicSegment> last_segment =
1727 dynamic_pointer_cast<LogicSegment>(output_logic->segments().back());
1728 assert(last_segment);
1730 last_segment->append_subsignal_payload(pdl->logic_class, (void*)pdl->data, pdl->size);
1732 qInfo() << "Received" << pdl->size << "bytes /" << pdl->size \
1733 << "samples of logic output for class" << pdl->logic_class << "from decoder" \
1734 << QString::fromUtf8(decc->name);
1737 void DecodeSignal::on_capture_state_changed(int state)
1739 // If a new acquisition was started, we need to start decoding from scratch
1740 if (state == Session::Running) {
1741 logic_mux_data_invalid_ = true;
1746 void DecodeSignal::on_data_cleared()
1751 void DecodeSignal::on_data_received()
1753 // If we detected a lack of input data when trying to start decoding,
1754 // we have set an error message. Bail out if we still don't have data
1756 if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0))
1759 if (!error_message_.isEmpty()) {
1760 error_message_.clear();
1761 // TODO Emulate noquote()
1762 qDebug().nospace() << name() << ": Input data available, error cleared";
1765 if (!logic_mux_thread_.joinable())
1768 logic_mux_cond_.notify_one();
1771 void DecodeSignal::on_input_segment_completed()
1773 if (!logic_mux_thread_.joinable())
1774 logic_mux_cond_.notify_one();
1777 void DecodeSignal::on_annotation_visibility_changed()
1779 annotation_visibility_changed();