blob: 352edc058714fc71250f98888879b77599b0ed41 [file] [log] [blame]
/*
* This file is part of the PulseView project.
*
* Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <cstring>
#include <forward_list>
#include <limits>
#include <QDebug>
#include "logic.hpp"
#include "logicsegment.hpp"
#include "decodesignal.hpp"
#include "signaldata.hpp"
#include <pv/data/decode/decoder.hpp>
#include <pv/data/decode/row.hpp>
#include <pv/globalsettings.hpp>
#include <pv/session.hpp>
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 std::unique_lock;
using pv::data::decode::AnnotationClass;
using pv::data::decode::DecodeChannel;
namespace pv {
namespace data {
const double DecodeSignal::DecodeMargin = 1.0;
const double DecodeSignal::DecodeThreshold = 0.2;
const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024;
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);
}
void DecodeSignal::set_name(QString name)
{
SignalBase::set_name(name);
update_output_signals();
}
void DecodeSignal::set_color(QColor color)
{
SignalBase::set_color(color);
update_output_signals();
}
const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const
{
return stack_;
}
void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode)
{
assert(decoder);
// 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<Decoder> dec = make_shared<Decoder>(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();
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)
{
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<Decoder> dec = *iter;
decoder_removed(dec.get());
// Delete the element
stack_.erase(iter);
// Update channels and decoded data
stack_config_changed_ = true;
update_channel_list();
begin_decode();
}
bool DecodeSignal::toggle_decoder_visibility(int index)
{
auto iter = stack_.cbegin();
for (int i = 0; i < index; i++, iter++)
assert(iter != stack_.end());
shared_ptr<Decoder> dec = *iter;
// Toggle decoder visibility
bool state = false;
if (dec) {
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<decode::Decoder>& 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()
{
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<Decoder>& 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<Logic>(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;
}
bool DecodeSignal::is_paused() const
{
return decode_paused_;
}
const vector<decode::DecodeChannel> DecodeSignal::get_channels() const
{
return channels_;
}
void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> 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 (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;
QString ch_name = ch.name.toLower();
ch_name = ch_name.replace(QRegExp("[-_.]"), " ");
shared_ptr<data::SignalBase> match;
for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) {
if (!s->enabled())
continue;
QString s_name = s->name().toLower();
s_name = s_name.replace(QRegExp("[-_.]"), " ");
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, shared_ptr<const SignalBase> signal)
{
// 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<decode::Decoder>& dec : stack_) {
assert(dec);
if (dec->has_logic_output()) {
const vector<decode::DecoderLogicOutputChannel> 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<SignalBase>& signal : output_signals_)
if (signal->internal_name() == first_ch.id)
ch_exists = true;
if (!ch_exists) {
shared_ptr<Logic> logic_data = make_shared<Logic>(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<uint8_t>();
shared_ptr<LogicSegment> logic_segment = make_shared<data::LogicSegment>(
*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<data::SignalBase> signal =
make_shared<data::SignalBase>(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> logic_data = output_logic_[dec->get_srd_decoder()];
logic_data->set_samplerate(get_samplerate());
for (shared_ptr<LogicSegment>& segment : logic_data->logic_segments())
segment->set_samplerate(get_samplerate());
}
}
}
for (shared_ptr<SignalBase> s : output_signals_) {
s->set_name(s->internal_name() + " (" + name() + ")");
s->set_color(color());
}
// 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 (decode::DecodeChannel& ch : channels_)
if (ch.id == channel_id)
ch.initial_pin_state = init_state;
stack_config_changed_ = true;
channels_updated();
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;
}
const pv::util::Timestamp DecodeSignal::start_time() const
{
pv::util::Timestamp result;
// TODO For now, we simply return the first start time that we have
if (segments_.size() > 0)
result = segments_.front().start_time;
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<int64_t>::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> logic_data = ch.assigned_signal->logic_data();
if (logic_data->logic_segments().empty())
return 0;
if (segment_id >= logic_data->logic_segments().size())
return 0;
const shared_ptr<const LogicSegment> 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);
}
int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id,
bool include_processing) const
{
lock_guard<mutex> 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;
}
vector<Row*> DecodeSignal::get_rows(bool visible_only)
{
vector<Row*> rows;
for (const shared_ptr<Decoder>& dec : stack_) {
assert(dec);
if (visible_only && !dec->visible())
continue;
for (Row* row : dec->get_rows())
rows.push_back(row);
}
return rows;
}
vector<const Row*> DecodeSignal::get_rows(bool visible_only) const
{
vector<const Row*> rows;
for (const shared_ptr<Decoder>& dec : stack_) {
assert(dec);
if (visible_only && !dec->visible())
continue;
for (const Row* row : dec->get_rows())
rows.push_back(row);
}
return rows;
}
uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const
{
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(deque<const Annotation*> &dest,
const Row* row, uint32_t segment_id, uint64_t start_sample,
uint64_t end_sample) const
{
lock_guard<mutex> 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::get_annotation_subset(deque<const Annotation*> &dest,
uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
{
for (const Row* row : get_rows())
get_annotation_subset(dest, row, segment_id, start_sample, end_sample);
}
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;
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.chunks.size();
return 0;
}
void DecodeSignal::get_binary_data_chunk(uint32_t segment_id,
const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id,
const vector<uint8_t> **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;
}
}
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<uint8_t> *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 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<uint8_t> *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;
}
}
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<const Annotation*>* 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>& decoder : stack_) {
settings.beginGroup("decoder" + QString::number(decoder_idx++));
settings.setValue("id", decoder->get_srd_decoder()->id);
settings.setValue("visible", decoder->visible());
// Save decoder options
const map<string, GVariant*>& 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> decoder = make_shared<Decoder>(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<data::SignalBase> > 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<data::SignalBase>& 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> 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<const LogicSegment> 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<uint64_t>::max();
bool no_signals_assigned = true;
for (const decode::DecodeChannel& ch : channels_)
if (ch.assigned_signal) {
no_signals_assigned = false;
const shared_ptr<Logic> 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> logic_data = ch.assigned_signal->logic_data();
if (!logic_data || logic_data->logic_segments().empty())
continue;
try {
const shared_ptr<const LogicSegment> 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<Decoder>& d : stack_)
if (d->get_srd_decoder() == srd_dec)
return d.get();
return nullptr;
}
void DecodeSignal::update_channel_list()
{
vector<decode::DecodeChannel> prev_channels = channels_;
channels_.clear();
uint16_t id = 0;
// Copy existing entries, create new as needed
for (shared_ptr<Decoder>& 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<Decoder> dec : stack_) {
vector<decode::DecodeChannel*> 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<shared_ptr<const LogicSegment> > segments;
vector<const uint8_t*> signal_data;
vector<uint8_t> signal_in_bytepos;
vector<uint8_t> signal_in_bitpos;
for (decode::DecodeChannel& ch : channels_)
if (ch.assigned_signal) {
const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
shared_ptr<const LogicSegment> 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<LogicSegment> 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<mutex> 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<LogicSegment> output_segment =
make_shared<LogicSegment>(*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<LogicSegment>(*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<mutex> 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<mutex> 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<const LogicSegment> 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<mutex> 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<mutex> 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<mutex> 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<mutex> 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<const LogicSegment> 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 (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<mutex> 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<mutex> 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<Decoder>& 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<Decoder>& 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_) {
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<Decoder>& 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<Decoder>& 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<Decoder>& 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<Decoder>& 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<DecodeBinaryDataChunk>()});
}
}
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<mutex> 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<const Annotation*>& 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<mutex> 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);
assert(pdl->logic_group == 0); // FIXME Only one group supported for now
shared_ptr<Logic> output_logic = ds->output_logic_.at(decc);
vector< shared_ptr<Segment> > segments = output_logic->segments();
shared_ptr<LogicSegment> last_segment;
if (!segments.empty())
last_segment = dynamic_pointer_cast<LogicSegment>(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<data::LogicSegment>(
*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<uint8_t> data;
data.reserve(pdl->repeat_count + 1); // FIXME Include unit size in calculation
for (unsigned int i = 0; i <= pdl->repeat_count; i++)
// FIXME Currently only supports 8 channels as we ignore the unit size
data.emplace_back(*((uint8_t*)pdl->data));
last_segment->append_payload(data.data(), data.size());
qInfo() << "Received logic output state change for group" << pdl->logic_group << "from decoder" \
<< QString::fromUtf8(decc->name) << "from" << pdata->start_sample << "to" << pdata->end_sample << ":" << *((uint8_t*)pdl->data);
} 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_annotation_visibility_changed()
{
annotation_visibility_changed();
}
} // namespace data
} // namespace pv