X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsession.cpp;h=91e39756456045ccc37dd46ae66c8c9f53b4c8f3;hp=c0bcd670de26d0af866bf9cb87705ad506d5a57e;hb=611c86259f66dd1766b10b1e1b671b0fadd51fe2;hpb=f4ab4b5c657e5613caba82feaa81a8a400e4f331

diff --git a/pv/session.cpp b/pv/session.cpp
index c0bcd670..91e39756 100644
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -52,6 +52,11 @@
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
+#ifdef ENABLE_FLOW
+#include <gstreamermm.h>
+#include <libsigrokflow/libsigrokflow.hpp>
+#endif
+
 #ifdef ENABLE_DECODE
 #include <libsigrokdecode/libsigrokdecode.h>
 #include "data/decodesignal.hpp"
@@ -74,6 +79,9 @@ using std::recursive_mutex;
 using std::runtime_error;
 using std::shared_ptr;
 using std::string;
+#ifdef ENABLE_FLOW
+using std::unique_lock;
+#endif
 using std::unique_ptr;
 using std::unordered_set;
 using std::vector;
@@ -91,6 +99,12 @@ using sigrok::Session;
 
 using Glib::VariantBase;
 
+#ifdef ENABLE_FLOW
+using Gst::Bus;
+using Gst::ElementFactory;
+using Gst::Pipeline;
+#endif
+
 namespace pv {
 
 shared_ptr<sigrok::Context> Session::sr_context;
@@ -173,11 +187,49 @@ bool Session::data_saved() const
 	return data_saved_;
 }
 
+void Session::save_setup(QSettings &settings) const
+{
+	int decode_signals = 0, views = 0;
+
+	// Save channels and decoders
+	for (const shared_ptr<data::SignalBase>& base : signalbases_) {
+#ifdef ENABLE_DECODE
+		if (base->is_decode_signal()) {
+			settings.beginGroup("decode_signal" + QString::number(decode_signals++));
+			base->save_settings(settings);
+			settings.endGroup();
+		} else
+#endif
+		{
+			settings.beginGroup(base->internal_name());
+			base->save_settings(settings);
+			settings.endGroup();
+		}
+	}
+
+	settings.setValue("decode_signals", decode_signals);
+
+	// Save view states and their signal settings
+	// Note: main_view must be saved as view0
+	settings.beginGroup("view" + QString::number(views++));
+	main_view_->save_settings(settings);
+	settings.endGroup();
+
+	for (const shared_ptr<views::ViewBase>& view : views_) {
+		if (view != main_view_) {
+			settings.beginGroup("view" + QString::number(views++));
+			view->save_settings(settings);
+			settings.endGroup();
+		}
+	}
+
+	settings.setValue("views", views);
+}
+
 void Session::save_settings(QSettings &settings) const
 {
 	map<string, string> dev_info;
 	list<string> key_list;
-	int decode_signals = 0, views = 0;
 
 	if (device_) {
 		shared_ptr<devices::HardwareDevice> hw_device =
@@ -227,39 +279,45 @@ void Session::save_settings(QSettings &settings) const
 			settings.endGroup();
 		}
 
-		// Save channels and decoders
-		for (const shared_ptr<data::SignalBase>& base : signalbases_) {
+		save_setup(settings);
+	}
+}
+
+void Session::restore_setup(QSettings &settings)
+{
+	// Restore channels
+	for (shared_ptr<data::SignalBase> base : signalbases_) {
+		settings.beginGroup(base->internal_name());
+		base->restore_settings(settings);
+		settings.endGroup();
+	}
+
+	// Restore decoders
 #ifdef ENABLE_DECODE
-			if (base->is_decode_signal()) {
-				settings.beginGroup("decode_signal" + QString::number(decode_signals++));
-				base->save_settings(settings);
-				settings.endGroup();
-			} else
+	int decode_signals = settings.value("decode_signals").toInt();
+
+	for (int i = 0; i < decode_signals; i++) {
+		settings.beginGroup("decode_signal" + QString::number(i));
+		shared_ptr<data::DecodeSignal> signal = add_decode_signal();
+		signal->restore_settings(settings);
+		settings.endGroup();
+	}
 #endif
-			{
-				settings.beginGroup(base->internal_name());
-				base->save_settings(settings);
-				settings.endGroup();
-			}
-		}
 
-		settings.setValue("decode_signals", decode_signals);
+	// Restore views
+	int views = settings.value("views").toInt();
 
-		// Save view states and their signal settings
-		// Note: main_view must be saved as view0
-		settings.beginGroup("view" + QString::number(views++));
-		main_view_->save_settings(settings);
-		settings.endGroup();
+	for (int i = 0; i < views; i++) {
+		settings.beginGroup("view" + QString::number(i));
 
-		for (const shared_ptr<views::ViewBase>& view : views_) {
-			if (view != main_view_) {
-				settings.beginGroup("view" + QString::number(views++));
-				view->save_settings(settings);
-				settings.endGroup();
-			}
-		}
+		if (i > 0) {
+			views::ViewType type = (views::ViewType)settings.value("type").toInt();
+			add_view(name_, type, this);
+			views_.back()->restore_settings(settings);
+		} else
+			main_view_->restore_settings(settings);
 
-		settings.setValue("views", views);
+		settings.endGroup();
 	}
 }
 
@@ -331,42 +389,8 @@ void Session::restore_settings(QSettings &settings)
 		}
 	}
 
-	if (device) {
-		// Restore channels
-		for (shared_ptr<data::SignalBase> base : signalbases_) {
-			settings.beginGroup(base->internal_name());
-			base->restore_settings(settings);
-			settings.endGroup();
-		}
-
-		// Restore decoders
-#ifdef ENABLE_DECODE
-		int decode_signals = settings.value("decode_signals").toInt();
-
-		for (int i = 0; i < decode_signals; i++) {
-			settings.beginGroup("decode_signal" + QString::number(i));
-			shared_ptr<data::DecodeSignal> signal = add_decode_signal();
-			signal->restore_settings(settings);
-			settings.endGroup();
-		}
-#endif
-
-		// Restore views
-		int views = settings.value("views").toInt();
-
-		for (int i = 0; i < views; i++) {
-			settings.beginGroup("view" + QString::number(i));
-
-			if (i > 0) {
-				views::ViewType type = (views::ViewType)settings.value("type").toInt();
-				add_view(name_, type, this);
-				views_.back()->restore_settings(settings);
-			} else
-				main_view_->restore_settings(settings);
-
-			settings.endGroup();
-		}
-	}
+	if (device)
+		restore_setup(settings);
 }
 
 void Session::select_device(shared_ptr<devices::Device> device)
@@ -501,7 +525,9 @@ Session::input_format_options(vector<string> user_spec,
 	return result;
 }
 
-void Session::load_init_file(const string &file_name, const string &format)
+void Session::load_init_file(const string &file_name,
+	const string &format,
+	const string &setup_file_name)
 {
 	shared_ptr<InputFormat> input_format;
 	map<string, Glib::VariantBase> input_opts;
@@ -525,10 +551,13 @@ void Session::load_init_file(const string &file_name, const string &format)
 			input_format->options());
 	}
 
-	load_file(QString::fromStdString(file_name), input_format, input_opts);
+	load_file(QString::fromStdString(file_name),
+		QString::fromStdString(setup_file_name),
+		input_format, input_opts);
 }
 
 void Session::load_file(QString file_name,
+	QString setup_file_name,
 	shared_ptr<sigrok::InputFormat> format,
 	const map<string, Glib::VariantBase> &options)
 {
@@ -558,6 +587,18 @@ void Session::load_file(QString file_name,
 		return;
 	}
 
+	// Default the setup filename with a .pvs extension if none is provided
+	if (setup_file_name.isEmpty() || setup_file_name.isNull()) {
+		setup_file_name = file_name;
+		setup_file_name.truncate(setup_file_name.lastIndexOf('.'));
+		setup_file_name.append(".pvs");
+	}
+	// Auto-load the setup if one exists
+	if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) {
+		QSettings settings_storage(setup_file_name, QSettings::IniFormat);
+		restore_setup(settings_storage);
+	}
+
 	main_bar_->update_device_list();
 
 	start_capture([&, errorMessage](QString infoMessage) {
@@ -787,6 +828,11 @@ void Session::set_capture_state(capture_state state)
 {
 	bool changed;
 
+	if (state == Running)
+		acq_time_.start();
+	if (state == Stopped)
+		qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.);
+
 	{
 		lock_guard<mutex> lock(sampling_mutex_);
 		changed = capture_state_ != state;
@@ -947,6 +993,35 @@ void Session::sample_thread_proc(function<void (const QString)> error_handler)
 {
 	assert(error_handler);
 
+#ifdef ENABLE_FLOW
+	pipeline_ = Pipeline::create();
+
+	source_ = ElementFactory::create_element("filesrc", "source");
+	sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink"));
+
+	pipeline_->add(source_)->add(sink_);
+	source_->link(sink_);
+
+	source_->set_property("location", Glib::ustring("/tmp/dummy_binary"));
+
+	sink_->set_property("emit-signals", TRUE);
+	sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample));
+
+	// Get the bus from the pipeline and add a bus watch to the default main context
+	RefPtr<Bus> bus = pipeline_->get_bus();
+	bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message));
+
+	// Start pipeline and Wait until it finished processing
+	pipeline_done_interrupt_ = false;
+	pipeline_->set_state(Gst::STATE_PLAYING);
+
+	unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_);
+	pipeline_done_cond_.wait(pipeline_done_lock_);
+
+	// Let the pipeline free all resources
+	pipeline_->set_state(Gst::STATE_NULL);
+
+#else
 	if (!device_)
 		return;
 
@@ -982,6 +1057,10 @@ void Session::sample_thread_proc(function<void (const QString)> error_handler)
 		error_handler(e.what());
 		set_capture_state(Stopped);
 		return;
+	} catch (QString& e) {
+		error_handler(e);
+		set_capture_state(Stopped);
+		return;
 	}
 
 	set_capture_state(Stopped);
@@ -989,6 +1068,7 @@ void Session::sample_thread_proc(function<void (const QString)> error_handler)
 	// Confirm that SR_DF_END was received
 	if (cur_logic_segment_)
 		qDebug() << "WARNING: SR_DF_END was not received.";
+#endif
 
 	// Optimize memory usage
 	free_unused_memory();
@@ -1065,6 +1145,49 @@ void Session::signal_segment_completed()
 		segment_completed(segment_id);
 }
 
+#ifdef ENABLE_FLOW
+bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message)
+{
+	(void)bus;
+
+	if ((message->get_source() == pipeline_) && \
+		((message->get_message_type() == Gst::MESSAGE_EOS)))
+		pipeline_done_cond_.notify_one();
+
+	// TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications
+
+	return true;
+}
+
+Gst::FlowReturn Session::on_gst_new_sample()
+{
+	RefPtr<Gst::Sample> sample = sink_->pull_sample();
+	RefPtr<Gst::Buffer> buf = sample->get_buffer();
+
+	for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) {
+		RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id);
+		Gst::MapInfo mapinfo;
+		buf_mem->map(mapinfo, Gst::MAP_READ);
+
+		shared_ptr<sigrok::Packet> logic_packet =
+			sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1);
+
+		try {
+			feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload()));
+		} catch (bad_alloc&) {
+			out_of_memory_ = true;
+			device_->stop();
+			buf_mem->unmap(mapinfo);
+			return Gst::FLOW_ERROR;
+		}
+
+		buf_mem->unmap(mapinfo);
+	}
+
+	return Gst::FLOW_OK;
+}
+#endif
+
 void Session::feed_in_header()
 {
 	// Nothing to do here for now
@@ -1163,6 +1286,9 @@ void Session::feed_in_logic(shared_ptr<Logic> logic)
 		return;
 	}
 
+	if (logic->unit_size() > 8)
+		throw QString(tr("Can't handle more than 64 logic channels."));
+
 	if (!cur_samplerate_)
 		try {
 			cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
@@ -1348,4 +1474,17 @@ void Session::on_data_saved()
 	data_saved_ = true;
 }
 
+#ifdef ENABLE_DECODE
+void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders)
+{
+	assert(decoders.size() > 0);
+
+	shared_ptr<data::DecodeSignal> signal = add_decode_signal();
+
+	if (signal)
+		for (const srd_decoder* d : decoders)
+			signal->stack_decoder(d);
+}
+#endif
+
 } // namespace pv