X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fdecodesignal.cpp;h=01d5f27831263af5461c7c423e303af24d67fe6a;hp=a557e1c16ebd601f8d2c65bd189ab544e0250faa;hb=HEAD;hpb=946b52e1f0e0520415c3653cc6ea9d083718f76d
diff --git a/pv/data/decodesignal.cpp b/pv/data/decodesignal.cpp
index a557e1c1..9c695a1b 100644
--- a/pv/data/decodesignal.cpp
+++ b/pv/data/decodesignal.cpp
@@ -17,267 +17,1862 @@
* along with this program; if not, see .
*/
+#include "config.h"
+
+#include
+#include
+#include
+
+#include
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+#include
+#endif
+
#include "logic.hpp"
#include "logicsegment.hpp"
#include "decodesignal.hpp"
#include "signaldata.hpp"
-#include
#include
#include
-#include
+#include
#include
+using std::dynamic_pointer_cast;
+using std::lock_guard;
using std::make_shared;
+using std::min;
+using std::out_of_range;
using std::shared_ptr;
-using pv::data::decode::Decoder;
-using pv::data::decode::Row;
+using std::unique_lock;
+using pv::data::decode::AnnotationClass;
+using pv::data::decode::DecodeChannel;
namespace pv {
namespace data {
-DecodeSignal::DecodeSignal(shared_ptr decoder_stack,
- const unordered_set< shared_ptr > &all_signals) :
- SignalBase(nullptr, SignalBase::DecodeChannel),
- decoder_stack_(decoder_stack),
- all_signals_(all_signals)
-{
- set_name(QString::fromUtf8(decoder_stack_->stack().front()->decoder()->name));
+const double DecodeSignal::DecodeMargin = 1.0;
+const double DecodeSignal::DecodeThreshold = 0.2;
+const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024;
- update_channel_list();
- auto_assign_signals();
- connect(decoder_stack_.get(), SIGNAL(new_annotations()),
- this, SLOT(on_new_annotations()));
+DecodeSignal::DecodeSignal(pv::Session &session) :
+ SignalBase(nullptr, SignalBase::DecodeChannel),
+ session_(session),
+ srd_session_(nullptr),
+ logic_mux_data_invalid_(false),
+ stack_config_changed_(true),
+ current_segment_id_(0)
+{
+ connect(&session_, SIGNAL(capture_state_changed(int)),
+ this, SLOT(on_capture_state_changed(int)));
}
DecodeSignal::~DecodeSignal()
{
+ reset_decode(true);
}
-bool DecodeSignal::is_decode_signal() const
+void DecodeSignal::set_name(QString name)
{
- return true;
+ SignalBase::set_name(name);
+
+ update_output_signals();
}
-shared_ptr DecodeSignal::decoder_stack() const
+void DecodeSignal::set_color(QColor color)
{
- return decoder_stack_;
+ SignalBase::set_color(color);
+
+ update_output_signals();
}
-const list< shared_ptr >& DecodeSignal::decoder_stack_list() const
+const vector< shared_ptr >& DecodeSignal::decoder_stack() const
{
- return decoder_stack_->stack();
+ return stack_;
}
-void DecodeSignal::stack_decoder(srd_decoder *decoder)
+void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode)
{
assert(decoder);
- assert(decoder_stack);
- decoder_stack_->push(make_shared(decoder));
- // Include the newly created decode channels in the channel list
+ // Set name if this decoder is the first in the list or the name is unchanged
+ const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder();
+ const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString();
+
+ if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name)))
+ set_name(QString::fromUtf8(decoder->name));
+
+ const shared_ptr dec = make_shared(decoder, stack_.size());
+ stack_.push_back(dec);
+
+ connect(dec.get(), SIGNAL(annotation_visibility_changed()),
+ this, SLOT(on_annotation_visibility_changed()));
+
+ // Include the newly created decode channels in the channel lists
update_channel_list();
- auto_assign_signals();
- decoder_stack_->begin_decode();
+ stack_config_changed_ = true;
+ auto_assign_signals(dec);
+ commit_decoder_channels();
+ update_output_signals();
+
+ decoder_stacked((void*)dec.get());
+
+ if (restart_decode)
+ begin_decode();
}
void DecodeSignal::remove_decoder(int index)
{
- decoder_stack_->remove(index);
+ assert(index >= 0);
+ assert(index < (int)stack_.size());
+
+ // Find the decoder in the stack
+ auto iter = stack_.begin() + index;
+ assert(iter != stack_.end());
+
+ shared_ptr dec = *iter;
+
+ decoder_removed(dec.get());
+
+ // Delete the element
+ stack_.erase(iter);
+
+ // Update channels and decoded data
+ stack_config_changed_ = true;
update_channel_list();
- decoder_stack_->begin_decode();
+ begin_decode();
}
bool DecodeSignal::toggle_decoder_visibility(int index)
{
- const list< shared_ptr > stack(decoder_stack_->stack());
-
- auto iter = stack.cbegin();
+ auto iter = stack_.cbegin();
for (int i = 0; i < index; i++, iter++)
- assert(iter != stack.end());
+ assert(iter != stack_.end());
shared_ptr dec = *iter;
// Toggle decoder visibility
bool state = false;
if (dec) {
- state = !dec->shown();
- dec->show(state);
+ state = !dec->visible();
+ dec->set_visible(state);
}
return state;
}
+void DecodeSignal::reset_decode(bool shutting_down)
+{
+ resume_decode(); // Make sure the decode thread isn't blocked by pausing
+
+ if (stack_config_changed_ || shutting_down)
+ stop_srd_session();
+ else
+ terminate_srd_session();
+
+ if (decode_thread_.joinable()) {
+ decode_interrupt_ = true;
+ decode_input_cond_.notify_one();
+ decode_thread_.join();
+ }
+
+ if (logic_mux_thread_.joinable()) {
+ logic_mux_interrupt_ = true;
+ logic_mux_cond_.notify_one();
+ logic_mux_thread_.join();
+ }
+
+ current_segment_id_ = 0;
+ segments_.clear();
+
+ for (const shared_ptr& dec : stack_)
+ if (dec->has_logic_output())
+ output_logic_[dec->get_srd_decoder()]->clear();
+
+ logic_mux_data_.reset();
+ logic_mux_data_invalid_ = true;
+
+ if (!error_message_.isEmpty()) {
+ error_message_.clear();
+ // TODO Emulate noquote()
+ qDebug().nospace() << name() << ": Error cleared";
+ }
+
+ decode_reset();
+}
+
void DecodeSignal::begin_decode()
{
- decoder_stack_->begin_decode();
+ if (decode_thread_.joinable()) {
+ decode_interrupt_ = true;
+ decode_input_cond_.notify_one();
+ decode_thread_.join();
+ }
+
+ if (logic_mux_thread_.joinable()) {
+ logic_mux_interrupt_ = true;
+ logic_mux_cond_.notify_one();
+ logic_mux_thread_.join();
+ }
+
+ reset_decode();
+
+ if (stack_.size() == 0) {
+ set_error_message(tr("No decoders"));
+ return;
+ }
+
+ assert(channels_.size() > 0);
+
+ if (get_assigned_signal_count() == 0) {
+ set_error_message(tr("There are no channels assigned to this decoder"));
+ return;
+ }
+
+ // Make sure that all assigned channels still provide logic data
+ // (can happen when a converted signal was assigned but the
+ // conversion removed in the meanwhile)
+ for (decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr))
+ ch.assigned_signal = nullptr;
+
+ // Check that all decoders have the required channels
+ for (const shared_ptr& dec : stack_)
+ if (!dec->have_required_channels()) {
+ set_error_message(tr("One or more required channels "
+ "have not been specified"));
+ return;
+ }
+
+ // Free the logic data and its segment(s) if it needs to be updated
+ if (logic_mux_data_invalid_)
+ logic_mux_data_.reset();
+
+ if (!logic_mux_data_) {
+ const uint32_t ch_count = get_assigned_signal_count();
+ logic_mux_unit_size_ = (ch_count + 7) / 8;
+ logic_mux_data_ = make_shared(ch_count);
+ }
+
+ if (get_input_segment_count() == 0)
+ set_error_message(tr("No input data"));
+
+ // Make sure the logic output data is complete and up-to-date
+ logic_mux_interrupt_ = false;
+ logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this);
+
+ // Decode the muxed logic data
+ decode_interrupt_ = false;
+ decode_thread_ = std::thread(&DecodeSignal::decode_proc, this);
+}
+
+void DecodeSignal::pause_decode()
+{
+ decode_paused_ = true;
+}
+
+void DecodeSignal::resume_decode()
+{
+ // Manual unlocking is done before notifying, to avoid waking up the
+ // waiting thread only to block again (see notify_one for details)
+ decode_pause_mutex_.unlock();
+ decode_pause_cond_.notify_one();
+ decode_paused_ = false;
}
-QString DecodeSignal::error_message() const
+bool DecodeSignal::is_paused() const
{
- return decoder_stack_->error_message();
+ return decode_paused_;
}
-const list DecodeSignal::get_channels() const
+const vector DecodeSignal::get_channels() const
{
return channels_;
}
-void DecodeSignal::auto_assign_signals()
+void DecodeSignal::auto_assign_signals(const shared_ptr dec)
{
+ bool new_assignment = false;
+
+ // Disconnect all input signal notifications so we don't have duplicate connections
+ disconnect_input_notifiers();
+
// Try to auto-select channels that don't have signals assigned yet
- for (data::DecodeChannel &ch : channels_) {
+ for (decode::DecodeChannel& ch : channels_) {
+ // If a decoder is given, auto-assign only its channels
+ if (dec && (ch.decoder_ != dec))
+ continue;
+
if (ch.assigned_signal)
continue;
- for (shared_ptr s : all_signals_)
- if (s->logic_data() && (ch.name.toLower().contains(s->name().toLower())))
- ch.assigned_signal = s.get();
+ QString ch_name = ch.name.toLower();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+ ch_name = ch_name.replace(QRegularExpression("[-_.]"), " ");
+#else
+ ch_name = ch_name.replace(QRegExp("[-_.]"), " ");
+#endif
+
+ shared_ptr match;
+ for (const shared_ptr& s : session_.signalbases()) {
+ if (!s->enabled())
+ continue;
+
+ QString s_name = s->name().toLower();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+ s_name = s_name.replace(QRegularExpression("[-_.]"), " ");
+#else
+ s_name = s_name.replace(QRegExp("[-_.]"), " ");
+#endif
+
+ if (s->logic_data() &&
+ ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) {
+ if (!match)
+ match = s;
+ else {
+ // Only replace an existing match if it matches more characters
+ int old_unmatched = ch_name.length() - match->name().length();
+ int new_unmatched = ch_name.length() - s->name().length();
+ if (abs(new_unmatched) < abs(old_unmatched))
+ match = s;
+ }
+ }
+ }
+
+ // Prevent using a signal more than once as D1 would match e.g. D1 and D10
+ bool signal_not_already_used = true;
+ for (decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal && (ch.assigned_signal == match))
+ signal_not_already_used = false;
+
+ if (match && signal_not_already_used) {
+ ch.assigned_signal = match;
+ new_assignment = true;
+ }
+ }
+
+ if (new_assignment) {
+ // Receive notifications when new sample data is available
+ connect_input_notifiers();
+
+ logic_mux_data_invalid_ = true;
+ stack_config_changed_ = true;
+ commit_decoder_channels();
+ channels_updated();
}
}
-void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal)
+void DecodeSignal::assign_signal(const uint16_t channel_id, shared_ptr signal)
{
- for (data::DecodeChannel &ch : channels_)
- if (ch.id == channel_id)
+ // Disconnect all input signal notifications so we don't have duplicate connections
+ disconnect_input_notifiers();
+
+ for (decode::DecodeChannel& ch : channels_)
+ if (ch.id == channel_id) {
ch.assigned_signal = signal;
+ logic_mux_data_invalid_ = true;
+ }
+ // Receive notifications when new sample data is available
+ connect_input_notifiers();
+
+ stack_config_changed_ = true;
+ commit_decoder_channels();
channels_updated();
+ begin_decode();
+}
+
+int DecodeSignal::get_assigned_signal_count() const
+{
+ // Count all channels that have a signal assigned to them
+ return count_if(channels_.begin(), channels_.end(),
+ [](decode::DecodeChannel ch) { return ch.assigned_signal.get(); });
+}
+
+void DecodeSignal::update_output_signals()
+{
+ for (const shared_ptr& dec : stack_) {
+ assert(dec);
+
+ if (dec->has_logic_output()) {
+ const vector logic_channels =
+ dec->logic_output_channels();
+
+ // All signals of a decoder share the same LogicSegment, so it's
+ // sufficient to check for only the first channel
+ const decode::DecoderLogicOutputChannel& first_ch = logic_channels[0];
+
+ bool ch_exists = false;
+ for (const shared_ptr& signal : output_signals_)
+ if (signal->internal_name() == first_ch.id)
+ ch_exists = true;
+
+ if (!ch_exists) {
+ shared_ptr logic_data = make_shared(logic_channels.size());
+ logic_data->set_samplerate(get_samplerate());
+ output_logic_[dec->get_srd_decoder()] = logic_data;
+ output_logic_muxed_data_[dec->get_srd_decoder()] = vector();
+
+ shared_ptr logic_segment = make_shared(
+ *logic_data, 0, (logic_data->num_channels() + 7) / 8, get_samplerate());
+ logic_data->push_segment(logic_segment);
+
+ uint index = 0;
+ for (const decode::DecoderLogicOutputChannel& logic_ch : logic_channels) {
+ shared_ptr signal =
+ make_shared(nullptr, LogicChannel);
+ signal->set_internal_name(logic_ch.id);
+ signal->set_index(index);
+ signal->set_data(logic_data);
+ output_signals_.push_back(signal);
+ session_.add_generated_signal(signal);
+ index++;
+ }
+ } else {
+ shared_ptr logic_data = output_logic_[dec->get_srd_decoder()];
+ logic_data->set_samplerate(get_samplerate());
+ for (shared_ptr& segment : logic_data->logic_segments())
+ segment->set_samplerate(get_samplerate());
+ }
+ }
+ }
+
+ for (shared_ptr s : output_signals_) {
+ s->set_name(s->internal_name() + " (" + name() + ")");
+ s->set_color(color());
+ }
- decoder_stack_->begin_decode();
+ // TODO Assert that all sample rates are the same as the session's
}
void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state)
{
- for (data::DecodeChannel &ch : channels_)
+ for (decode::DecodeChannel& ch : channels_)
if (ch.id == channel_id)
ch.initial_pin_state = init_state;
+ stack_config_changed_ = true;
channels_updated();
+ begin_decode();
+}
- decoder_stack_->begin_decode();
+double DecodeSignal::get_samplerate() const
+{
+ double result = 0;
+
+ // TODO For now, we simply return the first samplerate that we have
+ if (segments_.size() > 0)
+ result = segments_.front().samplerate;
+
+ return result;
}
-int64_t DecodeSignal::sample_count() const
+const pv::util::Timestamp DecodeSignal::start_time() const
{
- shared_ptr data;
- shared_ptr signalbase;
+ pv::util::Timestamp result;
- // We get the logic data of the first channel in the list.
- // This works because we are currently assuming all
- // LogicSignals have the same data/segment
- for (const shared_ptr &dec : decoder_stack_->stack())
- if (dec && !dec->channels().empty() &&
- ((signalbase = (*dec->channels().begin()).second)) &&
- ((data = signalbase->logic_data())))
- break;
+ // TODO For now, we simply return the first start time that we have
+ if (segments_.size() > 0)
+ result = segments_.front().start_time;
- if (!data || data->logic_segments().empty())
- return 0;
+ return result;
+}
+
+int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const
+{
+ // The working sample count is the highest sample number for
+ // which all used signals have data available, so go through all
+ // channels and use the lowest overall sample count of the segment
+
+ int64_t count = std::numeric_limits::max();
+ bool no_signals_assigned = true;
+
+ for (const decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal) {
+ if (!ch.assigned_signal->logic_data())
+ return 0;
+
+ no_signals_assigned = false;
+
+ const shared_ptr logic_data = ch.assigned_signal->logic_data();
+ if (logic_data->logic_segments().empty())
+ return 0;
- const shared_ptr segment = data->logic_segments().front();
- assert(segment);
+ if (segment_id >= logic_data->logic_segments().size())
+ return 0;
- return (int64_t)segment->get_sample_count();
+ const shared_ptr segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
+ if (segment)
+ count = min(count, (int64_t)segment->get_sample_count());
+ }
+
+ return (no_signals_assigned ? 0 : count);
}
-double DecodeSignal::samplerate() const
+int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id,
+ bool include_processing) const
{
- return decoder_stack_->samplerate();
+ lock_guard decode_lock(output_mutex_);
+
+ int64_t result = 0;
+
+ if (segment_id >= segments_.size())
+ return result;
+
+ if (include_processing)
+ result = segments_[segment_id].samples_decoded_incl;
+ else
+ result = segments_[segment_id].samples_decoded_excl;
+
+ return result;
}
-const pv::util::Timestamp& DecodeSignal::start_time() const
+vector DecodeSignal::get_rows(bool visible_only)
{
- return decoder_stack_->start_time();
+ vector rows;
+
+ for (const shared_ptr& dec : stack_) {
+ assert(dec);
+ if (visible_only && !dec->visible())
+ continue;
+
+ for (Row* row : dec->get_rows())
+ rows.push_back(row);
+ }
+
+ return rows;
}
-int64_t DecodeSignal::samples_decoded() const
+vector DecodeSignal::get_rows(bool visible_only) const
{
- return decoder_stack_->samples_decoded();
+ vector rows;
+
+ for (const shared_ptr& dec : stack_) {
+ assert(dec);
+ if (visible_only && !dec->visible())
+ continue;
+
+ for (const Row* row : dec->get_rows())
+ rows.push_back(row);
+ }
+
+ return rows;
}
-vector DecodeSignal::visible_rows() const
+uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const
{
- return decoder_stack_->get_visible_rows();
+ if (segment_id >= segments_.size())
+ return 0;
+
+ const DecodeSegment* segment = &(segments_.at(segment_id));
+
+ auto row_it = segment->annotation_rows.find(row);
+
+ const RowData* rd;
+ if (row_it == segment->annotation_rows.end())
+ return 0;
+ else
+ rd = &(row_it->second);
+
+ return rd->get_annotation_count();
}
-void DecodeSignal::get_annotation_subset(
- vector &dest,
- const decode::Row &row, uint64_t start_sample,
+void DecodeSignal::get_annotation_subset(deque &dest,
+ const Row* row, uint32_t segment_id, uint64_t start_sample,
uint64_t end_sample) const
{
- return decoder_stack_->get_annotation_subset(dest, row,
- start_sample, end_sample);
+ lock_guard lock(output_mutex_);
+
+ if (segment_id >= segments_.size())
+ return;
+
+ const DecodeSegment* segment = &(segments_.at(segment_id));
+
+ auto row_it = segment->annotation_rows.find(row);
+
+ const RowData* rd;
+ if (row_it == segment->annotation_rows.end())
+ return;
+ else
+ rd = &(row_it->second);
+
+ rd->get_annotation_subset(dest, start_sample, end_sample);
}
-void DecodeSignal::update_channel_list()
+void DecodeSignal::get_annotation_subset(deque &dest,
+ uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
{
- list prev_channels = channels_;
- channels_.clear();
+ for (const Row* row : get_rows())
+ get_annotation_subset(dest, row, segment_id, start_sample, end_sample);
+}
- uint16_t id = 0;
+uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id,
+ const Decoder* dec, uint32_t bin_class_id) const
+{
+ if ((segments_.size() == 0) || (segment_id >= segments_.size()))
+ return 0;
- // Copy existing entries, create new as needed
- for (shared_ptr decoder : decoder_stack_->stack()) {
- const srd_decoder* srd_d = decoder->decoder();
- const GSList *l;
+ const DecodeSegment *segment = &(segments_[segment_id]);
- // Mandatory channels
- for (l = srd_d->channels; l; l = l->next) {
- const struct srd_channel *const pdch = (struct srd_channel *)l->data;
- bool ch_added = false;
+ for (const DecodeBinaryClass& bc : segment->binary_classes)
+ if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
+ return bc.chunks.size();
- // Copy but update ID if this channel was in the list before
- for (data::DecodeChannel ch : prev_channels)
- if (ch.pdch_ == pdch) {
- ch.id = id++;
- channels_.push_back(ch);
- ch_added = true;
- break;
- }
+ return 0;
+}
- if (!ch_added) {
- // Create new entry without a mapped signal
- data::DecodeChannel ch = {id++, false, nullptr,
- QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
- SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
- channels_.push_back(ch);
- }
+void DecodeSignal::get_binary_data_chunk(uint32_t segment_id,
+ const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id,
+ const vector **dest, uint64_t *size)
+{
+ if (segment_id >= segments_.size())
+ return;
+
+ const DecodeSegment *segment = &(segments_[segment_id]);
+
+ for (const DecodeBinaryClass& bc : segment->binary_classes)
+ if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) {
+ if (dest) *dest = &(bc.chunks.at(chunk_id).data);
+ if (size) *size = bc.chunks.at(chunk_id).data.size();
+ return;
}
+}
- // Optional channels
- for (l = srd_d->opt_channels; l; l = l->next) {
- const struct srd_channel *const pdch = (struct srd_channel *)l->data;
- bool ch_added = false;
+void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id,
+ const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample,
+ uint64_t end_sample, vector *dest) const
+{
+ assert(dest != nullptr);
- // Copy but update ID if this channel was in the list before
- for (data::DecodeChannel ch : prev_channels)
- if (ch.pdch_ == pdch) {
- ch.id = id++;
- channels_.push_back(ch);
- ch_added = true;
- break;
- }
+ if (segment_id >= segments_.size())
+ return;
- if (!ch_added) {
- // Create new entry without a mapped signal
- data::DecodeChannel ch = {id++, true, nullptr,
- QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
- SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
- channels_.push_back(ch);
- }
+ const DecodeSegment *segment = &(segments_[segment_id]);
+
+ const DecodeBinaryClass* bin_class = nullptr;
+ for (const DecodeBinaryClass& bc : segment->binary_classes)
+ if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
+ bin_class = &bc;
+
+ // Determine overall size before copying to resize dest vector only once
+ uint64_t size = 0;
+ uint64_t matches = 0;
+ for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
+ if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
+ size += chunk.data.size();
+ matches++;
+ }
+ dest->resize(size);
+
+ uint64_t offset = 0;
+ uint64_t matches2 = 0;
+ for (const DecodeBinaryDataChunk& chunk : bin_class->chunks)
+ if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) {
+ memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size());
+ offset += chunk.data.size();
+ matches2++;
+
+ // Make sure we don't overwrite memory if the array grew in the meanwhile
+ if (matches2 == matches)
+ break;
+ }
+}
+
+void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id,
+ const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end,
+ vector *dest) const
+{
+ assert(dest != nullptr);
+
+ if (segment_id >= segments_.size())
+ return;
+
+ const DecodeSegment *segment = &(segments_[segment_id]);
+
+ const DecodeBinaryClass* bin_class = nullptr;
+ for (const DecodeBinaryClass& bc : segment->binary_classes)
+ if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
+ bin_class = &bc;
+
+ // Determine overall size before copying to resize dest vector only once
+ uint64_t size = 0;
+ uint64_t offset = 0;
+ for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
+ if (offset >= start)
+ size += chunk.data.size();
+ offset += chunk.data.size();
+ if (offset >= end)
+ break;
+ }
+ dest->resize(size);
+
+ offset = 0;
+ uint64_t dest_offset = 0;
+ for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) {
+ if (offset >= start) {
+ memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size());
+ dest_offset += chunk.data.size();
}
+ offset += chunk.data.size();
+ if (offset >= end)
+ break;
}
+}
- channels_updated();
+const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id,
+ const Decoder* dec, uint32_t bin_class_id) const
+{
+ if (segment_id >= segments_.size())
+ return nullptr;
+
+ const DecodeSegment *segment = &(segments_[segment_id]);
+
+ for (const DecodeBinaryClass& bc : segment->binary_classes)
+ if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id))
+ return &bc;
+
+ return nullptr;
+}
+
+const deque* DecodeSignal::get_all_annotations_by_segment(
+ uint32_t segment_id) const
+{
+ if (segment_id >= segments_.size())
+ return nullptr;
+
+ const DecodeSegment *segment = &(segments_[segment_id]);
+
+ return &(segment->all_annotations);
+}
+
+void DecodeSignal::save_settings(QSettings &settings) const
+{
+ SignalBase::save_settings(settings);
+
+ settings.setValue("decoders", (int)(stack_.size()));
+
+ // Save decoder stack
+ int decoder_idx = 0;
+ for (const shared_ptr& decoder : stack_) {
+ settings.beginGroup("decoder" + QString::number(decoder_idx++));
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+ settings.setValue("id", (const char *)decoder->get_srd_decoder()->id);
+#else
+ settings.setValue("id", decoder->get_srd_decoder()->id);
+#endif
+ settings.setValue("visible", decoder->visible());
+
+ // Save decoder options
+ const map& options = decoder->options();
+
+ settings.setValue("options", (int)options.size());
+
+ // Note: Decoder::options() returns only the options
+ // that differ from the default. See binding::Decoder::getter()
+ int i = 0;
+ for (auto& option : options) {
+ settings.beginGroup("option" + QString::number(i));
+ settings.setValue("name", QString::fromStdString(option.first));
+ GlobalSettings::store_gvariant(settings, option.second);
+ settings.endGroup();
+ i++;
+ }
+
+ // Save row properties
+ i = 0;
+ for (const Row* row : decoder->get_rows()) {
+ settings.beginGroup("row" + QString::number(i));
+ settings.setValue("visible", row->visible());
+ settings.endGroup();
+ i++;
+ }
+
+ // Save class properties
+ i = 0;
+ for (const AnnotationClass* ann_class : decoder->ann_classes()) {
+ settings.beginGroup("ann_class" + QString::number(i));
+ settings.setValue("visible", ann_class->visible());
+ settings.endGroup();
+ i++;
+ }
+
+ settings.endGroup();
+ }
+
+ // Save channel mapping
+ settings.setValue("channels", (int)channels_.size());
+
+ for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) {
+ auto channel = find_if(channels_.begin(), channels_.end(),
+ [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
+
+ if (channel == channels_.end()) {
+ qDebug() << "ERROR: Gap in channel index:" << channel_id;
+ continue;
+ }
+
+ settings.beginGroup("channel" + QString::number(channel_id));
+
+ settings.setValue("name", channel->name); // Useful for debugging
+ settings.setValue("initial_pin_state", channel->initial_pin_state);
+
+ if (channel->assigned_signal)
+ settings.setValue("assigned_signal_name", channel->assigned_signal->name());
+
+ settings.endGroup();
+ }
+
+ // TODO Save logic output signal settings
+}
+
+void DecodeSignal::restore_settings(QSettings &settings)
+{
+ SignalBase::restore_settings(settings);
+
+ // Restore decoder stack
+ GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list());
+
+ int decoders = settings.value("decoders").toInt();
+
+ for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) {
+ settings.beginGroup("decoder" + QString::number(decoder_idx));
+
+ QString id = settings.value("id").toString();
+
+ for (GSList *entry = dec_list; entry; entry = entry->next) {
+ const srd_decoder *dec = (srd_decoder*)entry->data;
+ if (!dec)
+ continue;
+
+ if (QString::fromUtf8(dec->id) == id) {
+ shared_ptr decoder = make_shared(dec, stack_.size());
+
+ connect(decoder.get(), SIGNAL(annotation_visibility_changed()),
+ this, SLOT(on_annotation_visibility_changed()));
+
+ stack_.push_back(decoder);
+ decoder->set_visible(settings.value("visible", true).toBool());
+
+ // Restore decoder options that differ from their default
+ int options = settings.value("options").toInt();
+
+ for (int i = 0; i < options; i++) {
+ settings.beginGroup("option" + QString::number(i));
+ QString name = settings.value("name").toString();
+ GVariant *value = GlobalSettings::restore_gvariant(settings);
+ decoder->set_option(name.toUtf8(), value);
+ settings.endGroup();
+ }
+
+ // Include the newly created decode channels in the channel lists
+ update_channel_list();
+
+ // Restore row properties
+ int i = 0;
+ for (Row* row : decoder->get_rows()) {
+ settings.beginGroup("row" + QString::number(i));
+ row->set_visible(settings.value("visible", true).toBool());
+ settings.endGroup();
+ i++;
+ }
+
+ // Restore class properties
+ i = 0;
+ for (AnnotationClass* ann_class : decoder->ann_classes()) {
+ settings.beginGroup("ann_class" + QString::number(i));
+ ann_class->set_visible(settings.value("visible", true).toBool());
+ settings.endGroup();
+ i++;
+ }
+
+ break;
+ }
+ }
+
+ settings.endGroup();
+ channels_updated();
+ }
+
+ // Restore channel mapping
+ unsigned int channels = settings.value("channels").toInt();
+
+ const vector< shared_ptr > signalbases =
+ session_.signalbases();
+
+ for (unsigned int channel_id = 0; channel_id < channels; channel_id++) {
+ auto channel = find_if(channels_.begin(), channels_.end(),
+ [&](decode::DecodeChannel ch) { return ch.id == channel_id; });
+
+ if (channel == channels_.end()) {
+ qDebug() << "ERROR: Non-existant channel index:" << channel_id;
+ continue;
+ }
+
+ settings.beginGroup("channel" + QString::number(channel_id));
+
+ QString assigned_signal_name = settings.value("assigned_signal_name").toString();
+
+ for (const shared_ptr& signal : signalbases)
+ if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel))
+ channel->assigned_signal = signal;
+
+ channel->initial_pin_state = settings.value("initial_pin_state").toInt();
+
+ settings.endGroup();
+ }
+
+ connect_input_notifiers();
+
+ // Update the internal structures
+ stack_config_changed_ = true;
+ update_channel_list();
+ commit_decoder_channels();
+ update_output_signals();
+
+ // TODO Restore logic output signal settings
+
+ begin_decode();
+}
+
+bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const
+{
+ bool all_complete = true;
+
+ for (const decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal) {
+ if (!ch.assigned_signal->logic_data())
+ continue;
+
+ const shared_ptr logic_data = ch.assigned_signal->logic_data();
+ if (logic_data->logic_segments().empty())
+ return false;
+
+ if (segment_id >= logic_data->logic_segments().size())
+ return false;
+
+ const shared_ptr segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
+ if (segment && !segment->is_complete())
+ all_complete = false;
+ }
+
+ return all_complete;
+}
+
+uint32_t DecodeSignal::get_input_segment_count() const
+{
+ uint64_t count = std::numeric_limits::max();
+ bool no_signals_assigned = true;
+
+ for (const decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal) {
+ no_signals_assigned = false;
+
+ const shared_ptr logic_data = ch.assigned_signal->logic_data();
+ if (!logic_data || logic_data->logic_segments().empty())
+ return 0;
+
+ // Find the min value of all segment counts
+ if ((uint64_t)(logic_data->logic_segments().size()) < count)
+ count = logic_data->logic_segments().size();
+ }
+
+ return (no_signals_assigned ? 0 : count);
+}
+
+double DecodeSignal::get_input_samplerate(uint32_t segment_id) const
+{
+ double samplerate = 0;
+
+ for (const decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal) {
+ const shared_ptr logic_data = ch.assigned_signal->logic_data();
+ if (!logic_data || logic_data->logic_segments().empty())
+ continue;
+
+ try {
+ const shared_ptr segment =
+ logic_data->logic_segments().at(segment_id)->get_shared_ptr();
+ if (segment)
+ samplerate = segment->samplerate();
+ } catch (out_of_range&) {
+ // Do nothing
+ }
+ break;
+ }
+
+ return samplerate;
+}
+
+Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec)
+{
+ for (shared_ptr& d : stack_)
+ if (d->get_srd_decoder() == srd_dec)
+ return d.get();
+
+ return nullptr;
+}
+
+void DecodeSignal::update_channel_list()
+{
+ vector prev_channels = channels_;
+ channels_.clear();
+
+ uint16_t id = 0;
+
+ // Copy existing entries, create new as needed
+ for (shared_ptr& decoder : stack_) {
+ const srd_decoder* srd_dec = decoder->get_srd_decoder();
+ const GSList *l;
+
+ // Mandatory channels
+ for (l = srd_dec->channels; l; l = l->next) {
+ const struct srd_channel *const pdch = (struct srd_channel *)l->data;
+ bool ch_added = false;
+
+ // Copy but update ID if this channel was in the list before
+ for (decode::DecodeChannel& ch : prev_channels)
+ if (ch.pdch_ == pdch) {
+ ch.id = id++;
+ channels_.push_back(ch);
+ ch_added = true;
+ break;
+ }
+
+ if (!ch_added) {
+ // Create new entry without a mapped signal
+ decode::DecodeChannel ch = {id++, 0, false, nullptr,
+ QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
+ SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
+ channels_.push_back(ch);
+ }
+ }
+
+ // Optional channels
+ for (l = srd_dec->opt_channels; l; l = l->next) {
+ const struct srd_channel *const pdch = (struct srd_channel *)l->data;
+ bool ch_added = false;
+
+ // Copy but update ID if this channel was in the list before
+ for (decode::DecodeChannel& ch : prev_channels)
+ if (ch.pdch_ == pdch) {
+ ch.id = id++;
+ channels_.push_back(ch);
+ ch_added = true;
+ break;
+ }
+
+ if (!ch_added) {
+ // Create new entry without a mapped signal
+ decode::DecodeChannel ch = {id++, 0, true, nullptr,
+ QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc),
+ SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch};
+ channels_.push_back(ch);
+ }
+ }
+ }
+
+ // Invalidate the logic output data if the channel assignment changed
+ if (prev_channels.size() != channels_.size()) {
+ // The number of channels changed, there's definitely a difference
+ logic_mux_data_invalid_ = true;
+ } else {
+ // Same number but assignment may still differ, so compare all channels
+ for (size_t i = 0; i < channels_.size(); i++) {
+ const decode::DecodeChannel& p_ch = prev_channels[i];
+ const decode::DecodeChannel& ch = channels_[i];
+
+ if ((p_ch.pdch_ != ch.pdch_) ||
+ (p_ch.assigned_signal != ch.assigned_signal)) {
+ logic_mux_data_invalid_ = true;
+ break;
+ }
+ }
+
+ }
+
+ channels_updated();
+}
+
+void DecodeSignal::commit_decoder_channels()
+{
+ // Submit channel list to every decoder, containing only the relevant channels
+ for (shared_ptr dec : stack_) {
+ vector channel_list;
+
+ for (decode::DecodeChannel& ch : channels_)
+ if (ch.decoder_ == dec)
+ channel_list.push_back(&ch);
+
+ dec->set_channels(channel_list);
+ }
+
+ // Channel bit IDs must be in sync with the channel's apperance in channels_
+ int id = 0;
+ for (decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal)
+ ch.bit_id = id++;
+}
+
+void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end)
+{
+ // Enforce end to be greater than start
+ if (end <= start)
+ return;
+
+ // Fetch the channel segments and their data
+ vector > segments;
+ vector signal_data;
+ vector signal_in_bytepos;
+ vector signal_in_bitpos;
+
+ for (decode::DecodeChannel& ch : channels_)
+ if (ch.assigned_signal) {
+ const shared_ptr logic_data = ch.assigned_signal->logic_data();
+
+ shared_ptr segment;
+ if (segment_id < logic_data->logic_segments().size()) {
+ segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
+ } else {
+ qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \
+ << "has no logic segment" << segment_id;
+ logic_mux_interrupt_ = true;
+ return;
+ }
+
+ if (!segment)
+ return;
+
+ segments.push_back(segment);
+
+ uint8_t* data = new uint8_t[(end - start) * segment->unit_size()];
+ segment->get_samples(start, end, data);
+ signal_data.push_back(data);
+
+ const int bitpos = ch.assigned_signal->logic_bit_index();
+ signal_in_bytepos.push_back(bitpos / 8);
+ signal_in_bitpos.push_back(bitpos % 8);
+ }
+
+ shared_ptr output_segment;
+ try {
+ output_segment = logic_mux_data_->logic_segments().at(segment_id);
+ } catch (out_of_range&) {
+ qDebug() << "Muxer error for" << name() << ": no logic mux segment" \
+ << segment_id << "in mux_logic_samples(), mux segments size is" \
+ << logic_mux_data_->logic_segments().size();
+ logic_mux_interrupt_ = true;
+ return;
+ }
+
+ // Perform the muxing of signal data into the output data
+ uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()];
+ unsigned int signal_count = signal_data.size();
+
+ for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start));
+ sample_cnt++) {
+
+ int bitpos = 0;
+ uint8_t bytepos = 0;
+
+ const int out_sample_pos = sample_cnt * output_segment->unit_size();
+ for (unsigned int i = 0; i < output_segment->unit_size(); i++)
+ output[out_sample_pos + i] = 0;
+
+ for (unsigned int i = 0; i < signal_count; i++) {
+ const int in_sample_pos = sample_cnt * segments[i]->unit_size();
+ const uint8_t in_sample = 1 &
+ ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i]));
+
+ const uint8_t out_sample = output[out_sample_pos + bytepos];
+
+ output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos);
+
+ bitpos++;
+ if (bitpos > 7) {
+ bitpos = 0;
+ bytepos++;
+ }
+ }
+ }
+
+ output_segment->append_payload(output, (end - start) * output_segment->unit_size());
+ delete[] output;
+
+ for (const uint8_t* data : signal_data)
+ delete[] data;
+}
+
+void DecodeSignal::logic_mux_proc()
+{
+ uint32_t input_segment_count;
+ do {
+ input_segment_count = get_input_segment_count();
+ if (input_segment_count == 0) {
+ // Wait for input data
+ unique_lock logic_mux_lock(logic_mux_mutex_);
+ logic_mux_cond_.wait(logic_mux_lock);
+ }
+ } while ((!logic_mux_interrupt_) && (input_segment_count == 0));
+
+ if (logic_mux_interrupt_)
+ return;
+
+ assert(logic_mux_data_);
+
+ uint32_t segment_id = 0;
+
+ // Create initial logic mux segment
+ shared_ptr output_segment =
+ make_shared(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0);
+ logic_mux_data_->push_segment(output_segment);
+
+ output_segment->set_samplerate(get_input_samplerate(0));
+
+ // Logic mux data is being updated
+ logic_mux_data_invalid_ = false;
+
+ uint64_t samples_to_process;
+ do {
+ do {
+ const uint64_t input_sample_count = get_working_sample_count(segment_id);
+ const uint64_t output_sample_count = output_segment->get_sample_count();
+
+ samples_to_process =
+ (input_sample_count > output_sample_count) ?
+ (input_sample_count - output_sample_count) : 0;
+
+ if (samples_to_process > 0) {
+ const uint64_t unit_size = output_segment->unit_size();
+ const uint64_t chunk_sample_count = DecodeChunkLength / unit_size;
+
+ uint64_t processed_samples = 0;
+ do {
+ const uint64_t start_sample = output_sample_count + processed_samples;
+ const uint64_t sample_count =
+ min(samples_to_process - processed_samples, chunk_sample_count);
+
+ mux_logic_samples(segment_id, start_sample, start_sample + sample_count);
+ processed_samples += sample_count;
+
+ // ...and process the newly muxed logic data
+ decode_input_cond_.notify_one();
+ } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process));
+ }
+ } while (!logic_mux_interrupt_ && (samples_to_process > 0));
+
+ if (!logic_mux_interrupt_) {
+ // samples_to_process is now 0, we've exhausted the currently available input data
+
+ // If the input segments are complete, we've completed this segment
+ if (all_input_segments_complete(segment_id)) {
+ if (!output_segment->is_complete())
+ output_segment->set_complete();
+
+ if (segment_id < get_input_segment_count() - 1) {
+
+ // Process next segment
+ segment_id++;
+
+ output_segment =
+ make_shared(*logic_mux_data_, segment_id,
+ logic_mux_unit_size_, 0);
+ logic_mux_data_->push_segment(output_segment);
+
+ output_segment->set_samplerate(get_input_samplerate(segment_id));
+ } else {
+ // Wait for more input data if we're processing the currently last segment
+ unique_lock logic_mux_lock(logic_mux_mutex_);
+ logic_mux_cond_.wait(logic_mux_lock);
+ }
+ } else {
+ // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data
+ unique_lock logic_mux_lock(logic_mux_mutex_);
+ logic_mux_cond_.wait(logic_mux_lock);
+ }
+ }
+ } while (!logic_mux_interrupt_);
+}
+
+void DecodeSignal::decode_data(
+ const int64_t abs_start_samplenum, const int64_t sample_count,
+ const shared_ptr input_segment)
+{
+ const int64_t unit_size = input_segment->unit_size();
+ const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
+
+ for (int64_t i = abs_start_samplenum;
+ !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
+ i += chunk_sample_count) {
+
+ const int64_t chunk_end = min(i + chunk_sample_count,
+ abs_start_samplenum + sample_count);
+
+ {
+ lock_guard lock(output_mutex_);
+ // Update the sample count showing the samples including currently processed ones
+ segments_.at(current_segment_id_).samples_decoded_incl = chunk_end;
+ }
+
+ int64_t data_size = (chunk_end - i) * unit_size;
+ uint8_t* chunk = new uint8_t[data_size];
+ input_segment->get_samples(i, chunk_end, chunk);
+
+ if (srd_session_send(srd_session_, i, chunk_end, chunk,
+ data_size, unit_size) != SRD_OK) {
+ set_error_message(tr("Decoder reported an error"));
+ decode_interrupt_ = true;
+ }
+
+ delete[] chunk;
+
+ {
+ lock_guard lock(output_mutex_);
+ // Now that all samples are processed, the exclusive sample count catches up
+ segments_.at(current_segment_id_).samples_decoded_excl = chunk_end;
+ }
+
+ // Notify the frontend that we processed some data and
+ // possibly have new annotations as well
+ new_annotations();
+
+ if (decode_paused_) {
+ unique_lock pause_wait_lock(decode_pause_mutex_);
+ decode_pause_cond_.wait(pause_wait_lock);
+ }
+ }
+}
+
+void DecodeSignal::decode_proc()
+{
+ current_segment_id_ = 0;
+
+ // If there is no input data available yet, wait until it is or we're interrupted
+ do {
+ if (logic_mux_data_->logic_segments().size() == 0) {
+ // Wait for input data
+ unique_lock input_wait_lock(input_mutex_);
+ decode_input_cond_.wait(input_wait_lock);
+ }
+ } while ((!decode_interrupt_) && (logic_mux_data_->logic_segments().size() == 0));
+
+ if (decode_interrupt_)
+ return;
+
+ shared_ptr input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr();
+ if (!input_segment)
+ return;
+
+ // Create the initial segment and set its sample rate so that we can pass it to SRD
+ create_decode_segment();
+ segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
+ segments_.at(current_segment_id_).start_time = input_segment->start_time();
+
+ start_srd_session();
+
+ uint64_t samples_to_process = 0;
+ uint64_t abs_start_samplenum = 0;
+ do {
+ // Keep processing new samples until we exhaust the input data
+ do {
+ samples_to_process = input_segment->get_sample_count() - abs_start_samplenum;
+
+ if (samples_to_process > 0) {
+ decode_data(abs_start_samplenum, samples_to_process, input_segment);
+ abs_start_samplenum += samples_to_process;
+ }
+ } while (!decode_interrupt_ && (samples_to_process > 0));
+
+ if (!decode_interrupt_) {
+ // samples_to_process is now 0, we've exhausted the currently available input data
+
+ // If the input segment is complete, we've exhausted this segment
+ if (input_segment->is_complete()) {
+#if defined HAVE_SRD_SESSION_SEND_EOF && HAVE_SRD_SESSION_SEND_EOF
+ // Tell protocol decoders about the end of
+ // the input data, which may result in more
+ // annotations being emitted
+ (void)srd_session_send_eof(srd_session_);
+ new_annotations();
+#endif
+
+ if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) {
+ // Process next segment
+ current_segment_id_++;
+
+ try {
+ input_segment = logic_mux_data_->logic_segments().at(current_segment_id_);
+ } catch (out_of_range&) {
+ qDebug() << "Decode error for" << name() << ": no logic mux segment" \
+ << current_segment_id_ << "in decode_proc(), mux segments size is" \
+ << logic_mux_data_->logic_segments().size();
+ decode_interrupt_ = true;
+ return;
+ }
+ abs_start_samplenum = 0;
+
+ // Create the next segment and set its metadata
+ create_decode_segment();
+ segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
+ segments_.at(current_segment_id_).start_time = input_segment->start_time();
+
+ // Reset decoder state but keep the decoder stack intact
+ terminate_srd_session();
+ } else {
+ // All segments have been processed
+ if (!decode_interrupt_)
+ decode_finished();
+
+ // Wait for more input data
+ unique_lock input_wait_lock(input_mutex_);
+ decode_input_cond_.wait(input_wait_lock);
+ }
+ } else {
+ // Input segment isn't complete yet but samples_to_process is 0, wait for more input data
+ unique_lock input_wait_lock(input_mutex_);
+ decode_input_cond_.wait(input_wait_lock);
+ }
+
+ }
+ } while (!decode_interrupt_);
+}
+
+void DecodeSignal::start_srd_session()
+{
+ // If there were stack changes, the session has been destroyed by now, so if
+ // it hasn't been destroyed, we can just reset and re-use it
+ if (srd_session_) {
+ // When a decoder stack was created before, re-use it
+ // for the next stream of input data, after terminating
+ // potentially still executing operations, and resetting
+ // internal state. Skip the rather expensive (teardown
+ // and) construction of another decoder stack.
+
+ // TODO Reduce redundancy, use a common code path for
+ // the meta/start sequence?
+ terminate_srd_session();
+
+ // Metadata is cleared also, so re-set it
+ uint64_t samplerate = 0;
+ if (segments_.size() > 0)
+ samplerate = segments_.at(current_segment_id_).samplerate;
+ if (samplerate)
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate));
+ for (const shared_ptr& dec : stack_)
+ dec->apply_all_options();
+ srd_session_start(srd_session_);
+
+ return;
+ }
+
+ // Update the samplerates for the output logic channels
+ update_output_signals();
+
+ // Create the session
+ srd_session_new(&srd_session_);
+ assert(srd_session_);
+
+ // Create the decoders
+ srd_decoder_inst *prev_di = nullptr;
+ for (const shared_ptr& dec : stack_) {
+ srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_);
+
+ if (!di) {
+ set_error_message(tr("Failed to create decoder instance"));
+ srd_session_destroy(srd_session_);
+ srd_session_ = nullptr;
+ return;
+ }
+
+ if (prev_di)
+ srd_inst_stack(srd_session_, prev_di, di);
+
+ prev_di = di;
+ }
+
+ // Start the session
+ if (segments_.size() > 0)
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
+
+ srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
+ DecodeSignal::annotation_callback, this);
+
+ srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY,
+ DecodeSignal::binary_callback, this);
+
+ srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_LOGIC,
+ DecodeSignal::logic_output_callback, this);
+
+ srd_session_start(srd_session_);
+
+ // We just recreated the srd session, so all stack changes are applied now
+ stack_config_changed_ = false;
+}
+
+void DecodeSignal::terminate_srd_session()
+{
+ // Call the "terminate and reset" routine for the decoder stack
+ // (if available). This does not harm those stacks which already
+ // have completed their operation, and reduces response time for
+ // those stacks which still are processing data while the
+ // application no longer wants them to.
+ if (srd_session_) {
+#if defined HAVE_SRD_SESSION_SEND_EOF && HAVE_SRD_SESSION_SEND_EOF
+ (void)srd_session_send_eof(srd_session_);
+#endif
+ srd_session_terminate_reset(srd_session_);
+
+ // Metadata is cleared also, so re-set it
+ uint64_t samplerate = 0;
+ if (segments_.size() > 0)
+ samplerate = segments_.at(current_segment_id_).samplerate;
+ if (samplerate)
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate));
+ for (const shared_ptr& dec : stack_)
+ dec->apply_all_options();
+ }
+}
+
+void DecodeSignal::stop_srd_session()
+{
+ if (srd_session_) {
+ // Destroy the session
+ srd_session_destroy(srd_session_);
+ srd_session_ = nullptr;
+
+ // Mark the decoder instances as non-existant since they were deleted
+ for (const shared_ptr& dec : stack_)
+ dec->invalidate_decoder_inst();
+ }
+}
+
+void DecodeSignal::connect_input_notifiers()
+{
+ // Connect the currently used signals to our slot
+ for (decode::DecodeChannel& ch : channels_) {
+ if (!ch.assigned_signal)
+ continue;
+ const data::SignalBase *signal = ch.assigned_signal.get();
+
+ connect(signal, SIGNAL(samples_cleared()),
+ this, SLOT(on_data_cleared()), Qt::UniqueConnection);
+ connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
+ this, SLOT(on_data_received()), Qt::UniqueConnection);
+
+ if (signal->logic_data())
+ connect(signal->logic_data().get(), SIGNAL(segment_completed()),
+ this, SLOT(on_input_segment_completed()), Qt::UniqueConnection);
+ }
+}
+
+void DecodeSignal::disconnect_input_notifiers()
+{
+ // Disconnect the notification slot from the previous set of signals
+ for (decode::DecodeChannel& ch : channels_) {
+ if (!ch.assigned_signal)
+ continue;
+ const data::SignalBase *signal = ch.assigned_signal.get();
+ disconnect(signal, nullptr, this, SLOT(on_data_cleared()));
+ disconnect(signal, nullptr, this, SLOT(on_data_received()));
+
+ if (signal->logic_data())
+ disconnect(signal->logic_data().get(), nullptr, this, SLOT(on_input_segment_completed()));
+ }
+}
+
+void DecodeSignal::create_decode_segment()
+{
+ // Create annotation segment
+ segments_.emplace_back();
+
+ // Add annotation classes
+ for (const shared_ptr& dec : stack_)
+ for (Row* row : dec->get_rows())
+ segments_.back().annotation_rows.emplace(row, RowData(row));
+
+ // Prepare our binary output classes
+ for (const shared_ptr& dec : stack_) {
+ uint32_t n = dec->get_binary_class_count();
+
+ for (uint32_t i = 0; i < n; i++)
+ segments_.back().binary_classes.push_back(
+ {dec.get(), dec->get_binary_class(i), deque()});
+ }
+}
+
+void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal)
+{
+ assert(pdata);
+ assert(decode_signal);
+
+ DecodeSignal *const ds = (DecodeSignal*)decode_signal;
+ assert(ds);
+
+ if (ds->decode_interrupt_)
+ return;
+
+ if (ds->segments_.empty())
+ return;
+
+ lock_guard lock(ds->output_mutex_);
+
+ // Get the decoder and the annotation data
+ assert(pdata->pdo);
+ assert(pdata->pdo->di);
+ const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
+ assert(srd_dec);
+
+ const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data;
+ assert(pda);
+
+ // Find the row
+ Decoder* dec = ds->get_decoder_by_instance(srd_dec);
+ assert(dec);
+
+ AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class);
+ if (!ann_class) {
+ qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" <<
+ "with class ID" << pda->ann_class << "but there are only" <<
+ dec->ann_classes().size() << "known classes";
+ return;
+ }
+
+ const Row* row = ann_class->row;
+
+ if (!row)
+ row = dec->get_row_by_id(0);
+
+ RowData& row_data = ds->segments_[ds->current_segment_id_].annotation_rows.at(row);
+
+ // Add the annotation to the row
+ const Annotation* ann = row_data.emplace_annotation(pdata);
+
+ // We insert the annotation into the global annotation list in a way so that
+ // the annotation list is sorted by start sample and length. Otherwise, we'd
+ // have to sort the model, which is expensive
+ deque& all_annotations =
+ ds->segments_[ds->current_segment_id_].all_annotations;
+
+ if (all_annotations.empty()) {
+ all_annotations.emplace_back(ann);
+ } else {
+ const uint64_t new_ann_len = (pdata->end_sample - pdata->start_sample);
+ bool ann_has_earlier_start = (pdata->start_sample < all_annotations.back()->start_sample());
+ bool ann_is_longer = (new_ann_len >
+ (all_annotations.back()->end_sample() - all_annotations.back()->start_sample()));
+
+ if (ann_has_earlier_start && ann_is_longer) {
+ bool ann_has_same_start;
+ auto it = all_annotations.end();
+
+ do {
+ it--;
+ ann_has_earlier_start = (pdata->start_sample < (*it)->start_sample());
+ ann_has_same_start = (pdata->start_sample == (*it)->start_sample());
+ ann_is_longer = (new_ann_len > (*it)->length());
+ } while ((ann_has_earlier_start || (ann_has_same_start && ann_is_longer)) && (it != all_annotations.begin()));
+
+ // Allow inserting at the front
+ if (it != all_annotations.begin())
+ it++;
+
+ all_annotations.emplace(it, ann);
+ } else
+ all_annotations.emplace_back(ann);
+ }
+
+ // When emplace_annotation() inserts instead of appends an annotation,
+ // the pointers in all_annotations that follow the inserted annotation and
+ // point to annotations for this row are off by one and must be updated
+ if (&(row_data.annotations().back()) != ann) {
+ // Search backwards until we find the annotation we just added
+ auto row_it = row_data.annotations().end();
+ auto all_it = all_annotations.end();
+ do {
+ all_it--;
+ if ((*all_it)->row_data() == &row_data)
+ row_it--;
+ } while (&(*row_it) != ann);
+
+ // Update the annotation addresses for this row's annotations until the end
+ do {
+ if ((*all_it)->row_data() == &row_data) {
+ *all_it = &(*row_it);
+ row_it++;
+ }
+ all_it++;
+ } while (all_it != all_annotations.end());
+ }
+}
+
+void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal)
+{
+ assert(pdata);
+ assert(decode_signal);
+
+ DecodeSignal *const ds = (DecodeSignal*)decode_signal;
+ assert(ds);
+
+ if (ds->decode_interrupt_)
+ return;
+
+ // Get the decoder and the binary data
+ assert(pdata->pdo);
+ assert(pdata->pdo->di);
+ const srd_decoder *const srd_dec = pdata->pdo->di->decoder;
+ assert(srd_dec);
+
+ const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data;
+ assert(pdb);
+
+ // Find the matching DecodeBinaryClass
+ DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_));
+
+ DecodeBinaryClass* bin_class = nullptr;
+ for (DecodeBinaryClass& bc : segment->binary_classes)
+ if ((bc.decoder->get_srd_decoder() == srd_dec) &&
+ (bc.info->bin_class_id == (uint32_t)pdb->bin_class))
+ bin_class = &bc;
+
+ if (!bin_class) {
+ qWarning() << "Could not find valid DecodeBinaryClass in segment" <<
+ ds->current_segment_id_ << "for binary class ID" << pdb->bin_class <<
+ ", segment only knows" << segment->binary_classes.size() << "classes";
+ return;
+ }
+
+ // Add the data chunk
+ bin_class->chunks.emplace_back();
+ DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back());
+
+ chunk->sample = pdata->start_sample;
+ chunk->data.resize(pdb->size);
+ memcpy(chunk->data.data(), pdb->data, pdb->size);
+
+ Decoder* dec = ds->get_decoder_by_instance(srd_dec);
+
+ ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class);
+}
+
+void DecodeSignal::logic_output_callback(srd_proto_data *pdata, void *decode_signal)
+{
+ assert(pdata);
+ assert(decode_signal);
+
+ DecodeSignal *const ds = (DecodeSignal*)decode_signal;
+ assert(ds);
+
+ if (ds->decode_interrupt_)
+ return;
+
+ lock_guard lock(ds->output_mutex_);
+
+ assert(pdata->pdo);
+ assert(pdata->pdo->di);
+ const srd_decoder *const decc = pdata->pdo->di->decoder;
+ assert(decc);
+
+ const srd_proto_data_logic *const pdl = (const srd_proto_data_logic*)pdata->data;
+ assert(pdl);
+
+ // FIXME Only one group supported for now
+ if (pdl->logic_group > 0) {
+ qWarning() << "Received logic output state change for group" << pdl->logic_group << "from decoder" \
+ << QString::fromUtf8(decc->name) << "but only group 0 is currently supported";
+ return;
+ }
+
+ shared_ptr output_logic = ds->output_logic_.at(decc);
+
+ vector< shared_ptr > segments = output_logic->segments();
+
+ shared_ptr last_segment;
+
+ if (!segments.empty())
+ last_segment = dynamic_pointer_cast(segments.back());
+ else {
+ // Happens when the data was cleared - all segments are gone then
+ // segment_id is always 0 as it's the first segment
+ last_segment = make_shared(
+ *output_logic, 0, (output_logic->num_channels() + 7) / 8, output_logic->get_samplerate());
+ output_logic->push_segment(last_segment);
+ }
+
+ if (pdata->start_sample < pdata->end_sample) {
+ vector data;
+ const unsigned int unit_size = last_segment->unit_size();
+ data.resize(unit_size * (1 + pdl->repeat_count));
+
+ if (unit_size == 1)
+ for (unsigned int i = 0; i <= pdl->repeat_count; i++)
+ data.data()[i * unit_size] = *((uint8_t*)pdl->data);
+ else if (unit_size == 2)
+ for (unsigned int i = 0; i <= pdl->repeat_count; i++)
+ data.data()[i * unit_size] = *((uint16_t*)pdl->data);
+ else if (unit_size <= 4)
+ for (unsigned int i = 0; i <= pdl->repeat_count; i++)
+ data.data()[i * unit_size] = *((uint32_t*)pdl->data);
+ else if (unit_size <= 8)
+ for (unsigned int i = 0; i <= pdl->repeat_count; i++)
+ data.data()[i * unit_size] = *((uint64_t*)pdl->data);
+ else
+ for (unsigned int i = 0; i <= pdl->repeat_count; i++)
+ memcpy((void*)&data.data()[i * unit_size], (void*)pdl->data, unit_size);
+
+ last_segment->append_payload(data.data(), data.size());
+ } else
+ qWarning() << "Ignoring malformed logic output state change for group" << pdl->logic_group << "from decoder" \
+ << QString::fromUtf8(decc->name) << "from" << pdata->start_sample << "to" << pdata->end_sample;
+}
+
+void DecodeSignal::on_capture_state_changed(int state)
+{
+ // If a new acquisition was started, we need to start decoding from scratch
+ if (state == Session::Running) {
+ logic_mux_data_invalid_ = true;
+ begin_decode();
+ }
+}
+
+void DecodeSignal::on_data_cleared()
+{
+ reset_decode();
+}
+
+void DecodeSignal::on_data_received()
+{
+ // If we detected a lack of input data when trying to start decoding,
+ // we have set an error message. Bail out if we still don't have data
+ // to work with
+ if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0))
+ return;
+
+ if (!error_message_.isEmpty()) {
+ error_message_.clear();
+ // TODO Emulate noquote()
+ qDebug().nospace() << name() << ": Input data available, error cleared";
+ }
+
+ if (!logic_mux_thread_.joinable())
+ begin_decode();
+ else
+ logic_mux_cond_.notify_one();
+}
+
+void DecodeSignal::on_input_segment_completed()
+{
+ if (!logic_mux_thread_.joinable())
+ logic_mux_cond_.notify_one();
}
-void DecodeSignal::on_new_annotations()
+void DecodeSignal::on_annotation_visibility_changed()
{
- // Forward the signal to the frontend
- new_annotations();
+ annotation_visibility_changed();
}
} // namespace data