2 * This file is part of the PulseView project.
4 * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_SESSION_HPP
21 #define PULSEVIEW_PV_SESSION_HPP
25 #include <condition_variable>
35 #include <unordered_set>
41 #include <QElapsedTimer>
44 #include <gstreamermm.h>
45 #include <libsigrokflow/libsigrokflow.hpp>
49 #include "views/viewbase.hpp"
55 using std::recursive_mutex;
56 using std::shared_ptr;
58 using std::unordered_set;
111 class Session : public QObject
122 static shared_ptr<sigrok::Context> sr_context;
125 Session(DeviceManager &device_manager, QString name);
129 DeviceManager& device_manager();
131 const DeviceManager& device_manager() const;
133 shared_ptr<sigrok::Session> session() const;
135 shared_ptr<devices::Device> device() const;
137 QString name() const;
139 void set_name(QString name);
141 const vector< shared_ptr<views::ViewBase> > views() const;
143 shared_ptr<views::ViewBase> main_view() const;
145 shared_ptr<pv::toolbars::MainBar> main_bar() const;
147 void set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar);
150 * Indicates whether the captured data was saved to disk already or not
152 bool data_saved() const;
154 void save_setup(QSettings &settings) const;
156 void save_settings(QSettings &settings) const;
158 void restore_setup(QSettings &settings);
160 void restore_settings(QSettings &settings);
163 * Attempts to set device instance, may fall back to demo if needed
165 void select_device(shared_ptr<devices::Device> device);
168 * Sets device instance that will be used in the next capture session.
170 void set_device(shared_ptr<devices::Device> device);
172 void set_default_device();
174 bool using_file_device() const;
176 void load_init_file(const string &file_name, const string &format,
177 const string &setup_file_name);
179 void load_file(QString file_name, QString setup_file_name = QString(),
180 shared_ptr<sigrok::InputFormat> format = nullptr,
181 const map<string, Glib::VariantBase> &options =
182 map<string, Glib::VariantBase>());
184 capture_state get_capture_state() const;
186 void start_capture(function<void (const QString)> error_handler);
190 double get_samplerate() const;
192 uint32_t get_segment_count() const;
194 vector<util::Timestamp> get_triggers(uint32_t segment_id) const;
196 void register_view(shared_ptr<views::ViewBase> view);
198 void deregister_view(shared_ptr<views::ViewBase> view);
200 bool has_view(shared_ptr<views::ViewBase> view);
202 const vector< shared_ptr<data::SignalBase> > signalbases() const;
204 bool all_segments_complete(uint32_t segment_id) const;
207 shared_ptr<data::DecodeSignal> add_decode_signal();
209 void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
213 void set_capture_state(capture_state state);
215 void update_signals();
217 shared_ptr<data::SignalBase> signalbase_from_channel(
218 shared_ptr<sigrok::Channel> channel) const;
220 static map<string, Glib::VariantBase> input_format_options(
221 vector<string> user_spec,
222 map<string, shared_ptr<Option>> fmt_opts);
224 void sample_thread_proc(function<void (const QString)> error_handler);
226 void free_unused_memory();
228 void signal_new_segment();
229 void signal_segment_completed();
232 bool on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message);
234 Gst::FlowReturn on_gst_new_sample();
237 void feed_in_header();
239 void feed_in_meta(shared_ptr<sigrok::Meta> meta);
241 void feed_in_trigger();
243 void feed_in_frame_begin();
244 void feed_in_frame_end();
246 void feed_in_logic(shared_ptr<sigrok::Logic> logic);
248 void feed_in_analog(shared_ptr<sigrok::Analog> analog);
250 void data_feed_in(shared_ptr<sigrok::Device> device,
251 shared_ptr<sigrok::Packet> packet);
254 void capture_state_changed(int state);
255 void device_changed();
257 void signals_changed();
261 void trigger_event(int segment_id, util::Timestamp location);
263 void new_segment(int new_segment_id);
264 void segment_completed(int segment_id);
266 void data_received();
268 void add_view(views::ViewType type, Session *session);
271 void on_data_saved();
274 void on_new_decoders_selected(vector<const srd_decoder*> decoders);
278 DeviceManager &device_manager_;
279 shared_ptr<devices::Device> device_;
280 QString default_name_, name_;
282 vector< shared_ptr<views::ViewBase> > views_;
283 shared_ptr<pv::views::ViewBase> main_view_;
285 shared_ptr<pv::toolbars::MainBar> main_bar_;
287 mutable mutex sampling_mutex_; //!< Protects access to capture_state_.
288 capture_state capture_state_;
290 vector< shared_ptr<data::SignalBase> > signalbases_;
291 unordered_set< shared_ptr<data::SignalData> > all_signal_data_;
293 /// trigger_list_ contains pairs of <segment_id, timestamp> values.
294 vector< std::pair<uint32_t, util::Timestamp> > trigger_list_;
296 mutable recursive_mutex data_mutex_;
297 shared_ptr<data::Logic> logic_data_;
298 uint64_t cur_samplerate_;
299 shared_ptr<data::LogicSegment> cur_logic_segment_;
300 map< shared_ptr<sigrok::Channel>, shared_ptr<data::AnalogSegment> >
301 cur_analog_segments_;
302 int32_t highest_segment_id_;
304 std::thread sampling_thread_;
310 QElapsedTimer acq_time_;
313 RefPtr<Pipeline> pipeline_;
314 RefPtr<Element> source_;
315 RefPtr<AppSink> sink_;
317 mutable mutex pipeline_done_mutex_;
318 mutable condition_variable pipeline_done_cond_;
319 atomic<bool> pipeline_done_interrupt_;
325 #endif // PULSEVIEW_PV_SESSION_HPP