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>
43 #include <gstreamermm.h>
44 #include <libsigrokflow/libsigrokflow.hpp>
48 #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 list< 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_settings(QSettings &settings) const;
156 void restore_settings(QSettings &settings);
159 * Attempts to set device instance, may fall back to demo if needed
161 void select_device(shared_ptr<devices::Device> device);
164 * Sets device instance that will be used in the next capture session.
166 void set_device(shared_ptr<devices::Device> device);
168 void set_default_device();
170 void load_init_file(const string &file_name, const string &format);
172 void load_file(QString file_name,
173 shared_ptr<sigrok::InputFormat> format = nullptr,
174 const map<string, Glib::VariantBase> &options =
175 map<string, Glib::VariantBase>());
177 capture_state get_capture_state() const;
179 void start_capture(function<void (const QString)> error_handler);
183 double get_samplerate() const;
185 uint32_t get_segment_count() const;
187 vector<util::Timestamp> get_triggers(uint32_t segment_id) const;
189 void register_view(shared_ptr<views::ViewBase> view);
191 void deregister_view(shared_ptr<views::ViewBase> view);
193 bool has_view(shared_ptr<views::ViewBase> view);
195 const unordered_set< shared_ptr<data::SignalBase> > signalbases() const;
197 bool all_segments_complete(uint32_t segment_id) const;
200 shared_ptr<data::DecodeSignal> add_decode_signal();
202 void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
206 void set_capture_state(capture_state state);
208 void update_signals();
210 shared_ptr<data::SignalBase> signalbase_from_channel(
211 shared_ptr<sigrok::Channel> channel) const;
213 static map<string, Glib::VariantBase> input_format_options(
214 vector<string> user_spec,
215 map<string, shared_ptr<Option>> fmt_opts);
217 void sample_thread_proc(function<void (const QString)> error_handler);
219 void free_unused_memory();
221 void signal_new_segment();
222 void signal_segment_completed();
225 bool on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message);
227 Gst::FlowReturn on_gst_new_sample();
230 void feed_in_header();
232 void feed_in_meta(shared_ptr<sigrok::Meta> meta);
234 void feed_in_trigger();
236 void feed_in_frame_begin();
237 void feed_in_frame_end();
239 void feed_in_logic(shared_ptr<sigrok::Logic> logic);
241 void feed_in_analog(shared_ptr<sigrok::Analog> analog);
243 void data_feed_in(shared_ptr<sigrok::Device> device,
244 shared_ptr<sigrok::Packet> packet);
247 void capture_state_changed(int state);
248 void device_changed();
250 void signals_changed();
254 void trigger_event(int segment_id, util::Timestamp location);
256 void new_segment(int new_segment_id);
257 void segment_completed(int segment_id);
259 void data_received();
261 void add_view(const QString &title, views::ViewType type,
265 void on_data_saved();
268 DeviceManager &device_manager_;
269 shared_ptr<devices::Device> device_;
270 QString default_name_, name_;
272 list< shared_ptr<views::ViewBase> > views_;
273 shared_ptr<pv::views::ViewBase> main_view_;
275 shared_ptr<pv::toolbars::MainBar> main_bar_;
277 mutable mutex sampling_mutex_; //!< Protects access to capture_state_.
278 capture_state capture_state_;
280 unordered_set< shared_ptr<data::SignalBase> > signalbases_;
281 unordered_set< shared_ptr<data::SignalData> > all_signal_data_;
283 /// trigger_list_ contains pairs of <segment_id, timestamp> values.
284 vector< std::pair<uint32_t, util::Timestamp> > trigger_list_;
286 mutable recursive_mutex data_mutex_;
287 shared_ptr<data::Logic> logic_data_;
288 uint64_t cur_samplerate_;
289 shared_ptr<data::LogicSegment> cur_logic_segment_;
290 map< shared_ptr<sigrok::Channel>, shared_ptr<data::AnalogSegment> >
291 cur_analog_segments_;
292 int32_t highest_segment_id_;
294 std::thread sampling_thread_;
301 RefPtr<Pipeline> pipeline_;
302 RefPtr<Element> source_;
303 RefPtr<AppSink> sink_;
305 mutable mutex pipeline_done_mutex_;
306 mutable condition_variable pipeline_done_cond_;
307 atomic<bool> pipeline_done_interrupt_;
313 #endif // PULSEVIEW_PV_SESSION_HPP