+++ /dev/null
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * 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/>.
- */
-
-#ifndef PULSEVIEW_PV_DATA_DECODERSTACK_HPP
-#define PULSEVIEW_PV_DATA_DECODERSTACK_HPP
-
-#include "signaldata.hpp"
-
-#include <atomic>
-#include <condition_variable>
-#include <list>
-#include <map>
-#include <memory>
-#include <thread>
-
-#include <boost/optional.hpp>
-
-#include <QObject>
-#include <QString>
-
-#include <pv/data/decode/row.hpp>
-#include <pv/data/decode/rowdata.hpp>
-#include <pv/util.hpp>
-
-using std::atomic;
-using std::condition_variable;
-using std::list;
-using std::map;
-using std::mutex;
-using std::pair;
-using std::shared_ptr;
-using std::vector;
-
-struct srd_decoder;
-struct srd_decoder_annotation_row;
-struct srd_channel;
-struct srd_proto_data;
-struct srd_session;
-
-namespace DecoderStackTest {
-struct TwoDecoderStack;
-}
-
-namespace pv {
-
-class Session;
-
-namespace view {
-class LogicSignal;
-}
-
-namespace data {
-
-class LogicSegment;
-
-namespace decode {
-class Annotation;
-class Decoder;
-}
-
-class Logic;
-
-class DecoderStack : public QObject
-{
- Q_OBJECT
-
-private:
- static const double DecodeMargin;
- static const double DecodeThreshold;
- static const int64_t DecodeChunkLength;
- static const unsigned int DecodeNotifyPeriod;
-
-public:
- DecoderStack(pv::Session &session, const srd_decoder *const dec);
-
- virtual ~DecoderStack();
-
- const list< shared_ptr<decode::Decoder> >& stack() const;
- void push(shared_ptr<decode::Decoder> decoder);
- void remove(int index);
-
- double samplerate() const;
-
- const pv::util::Timestamp& start_time() const;
-
- int64_t samples_decoded() const;
-
- vector<decode::Row> get_visible_rows() const;
-
- /**
- * Helper function for static annotation_callback(),
- * must be public so the function can access it.
- * Don't use from outside this class.
- */
- uint64_t inc_annotation_count();
-
- /**
- * Extracts sorted annotations between two period into a vector.
- */
- void get_annotation_subset(
- vector<pv::data::decode::Annotation> &dest,
- const decode::Row &row, uint64_t start_sample,
- uint64_t end_sample) const;
-
- QString error_message();
-
- void clear();
-
- uint64_t max_sample_count() const;
-
- void begin_decode();
-
-private:
- boost::optional<int64_t> wait_for_data() const;
-
- void decode_data(const int64_t abs_start_samplenum, const int64_t sample_count,
- const unsigned int unit_size, srd_session *const session);
-
- void decode_proc();
-
- static void annotation_callback(srd_proto_data *pdata, void *decoder_stack);
-
-private Q_SLOTS:
- void on_new_frame();
-
- void on_data_received();
-
- void on_frame_ended();
-
-Q_SIGNALS:
- void new_annotations();
-
-private:
- pv::Session &session_;
-
- pv::util::Timestamp start_time_;
- double samplerate_;
-
- /**
- * This mutex prevents more than one thread from accessing
- * libsigrokdecode concurrently.
- * @todo A proper solution should be implemented to allow multiple
- * decode operations in parallel.
- */
- static mutex global_srd_mutex_;
-
- list< shared_ptr<decode::Decoder> > stack_;
-
- shared_ptr<pv::data::LogicSegment> segment_;
-
- mutable mutex input_mutex_;
- mutable condition_variable input_cond_;
- int64_t sample_count_, annotation_count_;
- bool frame_complete_;
-
- mutable mutex output_mutex_;
- int64_t samples_decoded_;
-
- map<const decode::Row, decode::RowData> rows_;
-
- map<pair<const srd_decoder*, int>, decode::Row> class_rows_;
-
- QString error_message_;
-
- std::thread decode_thread_;
- atomic<bool> interrupt_;
-
- friend struct DecoderStackTest::TwoDecoderStack;
-};
-
-} // namespace data
-} // namespace pv
-
-#endif // PULSEVIEW_PV_DATA_DECODERSTACK_HPP
projects / pulseview.git / blobdiff