X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fsigsession.cpp;h=41e31a2802a0af68c2d0505e2f3e3384ca96a010;hb=e8c9f8a5a3186f9c3e4f23ba4e35de7c59410bd3;hp=793a5e8a894147073f2d91fe5143690cd1e1e10d;hpb=c0f868521a211747f89ef217ae63404f373d952b;p=pulseview.git

diff --git a/pv/sigsession.cpp b/pv/sigsession.cpp
index 793a5e8..41e31a2 100644
--- a/pv/sigsession.cpp
+++ b/pv/sigsession.cpp
@@ -79,7 +79,7 @@ void SigSession::set_device(struct sr_dev_inst *sdi)
 	if (sdi)
 		_device_manager.use_device(sdi, this);
 	_sdi = sdi;
-	update_signals();
+	update_signals(sdi);
 }
 
 void SigSession::release_device(struct sr_dev_inst *sdi)
@@ -88,16 +88,45 @@ void SigSession::release_device(struct sr_dev_inst *sdi)
 
 	assert(_capture_state == Stopped);
 	_sdi = NULL;
-	update_signals();
+	update_signals(NULL);
 }
 
 void SigSession::load_file(const string &name,
 	function<void (const QString)> error_handler)
 {
 	stop_capture();
-	_sampling_thread.reset(new boost::thread(
-		&SigSession::load_thread_proc, this, name,
-		error_handler));
+
+	if (sr_session_load(name.c_str()) == SR_OK) {
+		GSList *devlist = NULL;
+		sr_session_dev_list(&devlist);
+
+		if (!devlist || !devlist->data ||
+			sr_session_start() != SR_OK) {
+			error_handler(tr("Failed to start session."));
+			return;
+		}
+
+		update_signals((sr_dev_inst*)devlist->data);
+		g_slist_free(devlist);
+
+		_sampling_thread.reset(new boost::thread(
+			&SigSession::load_session_thread_proc, this,
+			error_handler));
+
+	} else {
+		sr_input *in = NULL;
+
+		if (!(in = load_input_file_format(name.c_str(),
+			error_handler)))
+			return;
+
+		update_signals(in->sdi);
+
+		_sampling_thread.reset(new boost::thread(
+			&SigSession::load_input_thread_proc, this,
+			name, in, error_handler));
+	}
+
 }
 
 SigSession::capture_state SigSession::get_capture_state() const
@@ -164,8 +193,10 @@ boost::shared_ptr<data::Logic> SigSession::get_data()
 void SigSession::set_capture_state(capture_state state)
 {
 	lock_guard<mutex> lock(_sampling_mutex);
+	const bool changed = _capture_state != state;
 	_capture_state = state;
-	capture_state_changed(state);
+	if(changed)
+		capture_state_changed(state);
 }
 
 /**
@@ -244,7 +275,7 @@ sr_input* SigSession::load_input_file_format(const string &filename,
 	return in;
 }
 
-void SigSession::update_signals()
+void SigSession::update_signals(const sr_dev_inst *const sdi)
 {
 	assert(_capture_state == Stopped);
 
@@ -253,8 +284,8 @@ void SigSession::update_signals()
 	unsigned int analog_probe_count = 0;
 
 	// Detect what data types we will receive
-	if(_sdi) {
-		for (const GSList *l = _sdi->probes; l; l = l->next) {
+	if(sdi) {
+		for (const GSList *l = sdi->probes; l; l = l->next) {
 			const sr_probe *const probe = (const sr_probe *)l->data;
 			if (!probe->enabled)
 				continue;
@@ -295,8 +326,8 @@ void SigSession::update_signals()
 
 		_signals.clear();
 
-		if(_sdi) {
-			for (const GSList *l = _sdi->probes; l; l = l->next) {
+		if(sdi) {
+			for (const GSList *l = sdi->probes; l; l = l->next) {
 				const sr_probe *const probe =
 					(const sr_probe *)l->data;
 				assert(probe);
@@ -323,29 +354,51 @@ void SigSession::update_signals()
 	signals_changed();
 }
 
-void SigSession::load_thread_proc(const string name,
+bool SigSession::is_trigger_enabled() const
+{
+	assert(_sdi);
+	for (const GSList *l = _sdi->probes; l; l = l->next) {
+		const sr_probe *const p = (const sr_probe *)l->data;
+		assert(p);
+		if (p->trigger && p->trigger[0] != '\0')
+			return true;
+	}
+
+	return false;
+}
+
+void SigSession::load_session_thread_proc(
 	function<void (const QString)> error_handler)
 {
-	sr_input *in = NULL;
+	(void)error_handler;
 
-	if (sr_session_load(name.c_str()) == SR_OK) {
-		if (sr_session_start() != SR_OK) {
-			error_handler(tr("Failed to start session."));
-			return;
-		}
-	}
-	else if(!(in = load_input_file_format(name.c_str(), error_handler)))
-		return;
+	sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
+
+	set_capture_state(Running);
+
+	sr_session_run();
+
+	sr_session_destroy();
+	set_capture_state(Stopped);
+
+	// Confirm that SR_DF_END was received
+	assert(!_cur_logic_snapshot);
+	assert(!_cur_analog_snapshot);
+}
+
+void SigSession::load_input_thread_proc(const string name,
+	sr_input *in, function<void (const QString)> error_handler)
+{
+	(void)error_handler;
+
+	assert(in);
+	assert(in->format);
 
 	sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
 
 	set_capture_state(Running);
 
-	if(in) {
-		assert(in->format);
-		in->format->loadfile(in, name.c_str());
-	} else
-		sr_session_run();
+	in->format->loadfile(in, name.c_str());
 
 	sr_session_destroy();
 	set_capture_state(Stopped);
@@ -387,7 +440,7 @@ void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
 		return;
 	}
 
-	set_capture_state(Running);
+	set_capture_state(is_trigger_enabled() ? AwaitingTrigger : Running);
 
 	sr_session_run();
 	sr_session_destroy();
@@ -455,6 +508,8 @@ void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
 
 	if (!_cur_logic_snapshot)
 	{
+		set_capture_state(Running);
+
 		// Create a new data snapshot
 		_cur_logic_snapshot = shared_ptr<data::LogicSnapshot>(
 			new data::LogicSnapshot(logic));
@@ -481,6 +536,8 @@ void SigSession::feed_in_analog(const sr_datafeed_analog &analog)
 
 	if (!_cur_analog_snapshot)
 	{
+		set_capture_state(Running);
+
 		// Create a new data snapshot
 		_cur_analog_snapshot = shared_ptr<data::AnalogSnapshot>(
 			new data::AnalogSnapshot(analog));