X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fstoresession.cpp;h=eaa17ea5f98096519f88f44be1373a8a697c171c;hp=ebb4b0ed374349e657fff6e14373c244afa23310;hb=09f55d9665efb3b17ba7de4bae47be6989e884fe;hpb=0fbda3c2dda9357776afa15e99c037eb0cc97214

diff --git a/pv/storesession.cpp b/pv/storesession.cpp
index ebb4b0ed..eaa17ea5 100644
--- a/pv/storesession.cpp
+++ b/pv/storesession.cpp
@@ -14,40 +14,76 @@
  * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "storesession.h"
+#include <cassert>
 
-#include <pv/sigsession.h>
-#include <pv/data/logic.h>
-#include <pv/data/logicsnapshot.h>
-#include <pv/view/signal.h>
+#ifdef _WIN32
+// Windows: Avoid boost/thread namespace pollution (which includes windows.h).
+#define NOGDI
+#define NORESOURCE
+#endif
+#include <boost/thread/locks.hpp>
+#include <boost/thread/shared_mutex.hpp>
+
+#include "storesession.hpp"
+
+#include <pv/devicemanager.hpp>
+#include <pv/session.hpp>
+#include <pv/data/analog.hpp>
+#include <pv/data/analogsegment.hpp>
+#include <pv/data/logic.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/data/signalbase.hpp>
+#include <pv/devices/device.hpp>
+
+#include <libsigrokcxx/libsigrokcxx.hpp>
+
+using boost::shared_lock;
+using boost::shared_mutex;
 
-using boost::dynamic_pointer_cast;
-using boost::mutex;
-using boost::shared_ptr;
-using boost::thread;
-using boost::lock_guard;
 using std::deque;
+using std::dynamic_pointer_cast;
+using std::ios_base;
+using std::lock_guard;
 using std::make_pair;
+using std::map;
 using std::min;
+using std::mutex;
 using std::pair;
 using std::set;
+using std::shared_ptr;
 using std::string;
+using std::thread;
+using std::unordered_set;
 using std::vector;
 
+using Glib::VariantBase;
+
+using sigrok::ChannelType;
+using sigrok::ConfigKey;
+using sigrok::Error;
+using sigrok::OutputFormat;
+using sigrok::OutputFlag;
+
 namespace pv {
 
 const size_t StoreSession::BlockSize = 1024 * 1024;
 
 StoreSession::StoreSession(const std::string &file_name,
-	const SigSession &session) :
-	_file_name(file_name),
-	_session(session),
-	_units_stored(0),
-	_unit_count(0)
+	const shared_ptr<OutputFormat> &output_format,
+	const map<string, VariantBase> &options,
+	const std::pair<uint64_t, uint64_t> sample_range,
+	const Session &session) :
+	file_name_(file_name),
+	output_format_(output_format),
+	options_(options),
+	sample_range_(sample_range),
+	session_(session),
+	interrupt_(false),
+	units_stored_(0),
+	unit_count_(0)
 {
 }
 
@@ -56,140 +92,221 @@ StoreSession::~StoreSession()
 	wait();
 }
 
-pair<uint64_t, uint64_t> StoreSession::progress() const
+pair<int, int> StoreSession::progress() const
 {
-	lock_guard<mutex> lock(_mutex);
-	return make_pair(_units_stored, _unit_count);
+	return make_pair(units_stored_.load(), unit_count_.load());
 }
 
 const QString& StoreSession::error() const
 {
-	lock_guard<mutex> lock(_mutex);
-	return _error;
+	lock_guard<mutex> lock(mutex_);
+	return error_;
 }
 
 bool StoreSession::start()
 {
-	set< shared_ptr<data::SignalData> > data_set =
-		_session.get_data();
-	const vector< shared_ptr<view::Signal> > sigs =
-		_session.get_signals();
-
-	// Check we have logic data
-	if (data_set.empty() || sigs.empty()) {
-		_error = tr("No data to save.");
-		return false;
-	}
+	const unordered_set< shared_ptr<data::SignalBase> > sigs(session_.signalbases());
 
-	if (data_set.size() > 1) {
-		_error = tr("PulseView currently only has support for "
-			"storing a single data stream.");
-		return false;
-	}
+	shared_ptr<data::Segment> any_segment;
+	shared_ptr<data::LogicSegment> lsegment;
+	vector< shared_ptr<data::SignalBase> > achannel_list;
+	vector< shared_ptr<data::AnalogSegment> > asegment_list;
 
-	// Get the logic data
-	//shared_ptr<data::SignalData
-	shared_ptr<data::Logic> data;
-	if (!(data = dynamic_pointer_cast<data::Logic>(*data_set.begin()))) {
-		_error = tr("PulseView currently only has support for "
-			"storing a logic data.");
-		return false;
-	}
+	for (shared_ptr<data::SignalBase> signal : sigs) {
+		if (!signal->enabled())
+			continue;
 
-	// Get the snapshot
-	const deque< shared_ptr<data::LogicSnapshot> > &snapshots =
-		data->get_snapshots();
+		if (signal->type() == ChannelType::LOGIC) {
+			// All logic channels share the same data segments
+			shared_ptr<data::Logic> ldata = signal->logic_data();
 
-	if (snapshots.empty()) {
-		_error = tr("No snapshots to save.");
-		return false;
+			const deque< shared_ptr<data::LogicSegment> > &lsegments =
+				ldata->logic_segments();
+
+			if (lsegments.empty()) {
+				error_ = tr("Can't save logic channel without data.");
+				return false;
+			}
+
+			lsegment = lsegments.front();
+			any_segment = lsegment;
+		}
+
+		if (signal->type() == ChannelType::ANALOG) {
+			// Each analog channel has its own segments
+			shared_ptr<data::Analog> adata = signal->analog_data();
+
+			const deque< shared_ptr<data::AnalogSegment> > &asegments =
+				adata->analog_segments();
+
+			if (asegments.empty()) {
+				error_ = tr("Can't save analog channel without data.");
+				return false;
+			}
+
+			asegment_list.push_back(asegments.front());
+			any_segment = asegments.front();
+
+			achannel_list.push_back(signal);
+		}
 	}
 
-	const shared_ptr<data::LogicSnapshot> snapshot(snapshots.front());
-	assert(snapshot);
+	if (!any_segment) {
+		error_ = tr("No channels enabled.");
+		return false;
+	}
 
-	// Make a list of probes
-	char **const probes = new char*[sigs.size() + 1];
-	for (size_t i = 0; i < sigs.size(); i++) {
-		shared_ptr<view::Signal> sig(sigs[i]);
-		assert(sig);
-		probes[i] = strdup(sig->get_name().toUtf8().constData());
+	// Check whether the user wants to export a certain sample range
+	uint64_t end_sample;
+
+	if (sample_range_.first == sample_range_.second) {
+		start_sample_ = 0;
+		sample_count_ =	any_segment->get_sample_count();
+	} else {
+		if (sample_range_.first > sample_range_.second) {
+			start_sample_ = sample_range_.second;
+			end_sample = min(sample_range_.first, any_segment->get_sample_count());
+			sample_count_ = end_sample - start_sample_;
+		} else {
+			start_sample_ = sample_range_.first;
+			end_sample = min(sample_range_.second, any_segment->get_sample_count());
+			sample_count_ = end_sample - start_sample_;
+		}
 	}
-	probes[sigs.size()] = NULL;
 
 	// Begin storing
-	if (sr_session_save_init(_file_name.c_str(),
-		data->samplerate(), probes) != SR_OK) {
-		_error = tr("Error while saving.");
+	try {
+		const auto context = session_.device_manager().context();
+		auto device = session_.device()->device();
+
+		map<string, Glib::VariantBase> options = options_;
+
+		if (!output_format_->test_flag(OutputFlag::INTERNAL_IO_HANDLING))
+			output_stream_.open(file_name_, ios_base::binary |
+					ios_base::trunc | ios_base::out);
+
+		output_ = output_format_->create_output(file_name_, device, options);
+		auto meta = context->create_meta_packet(
+			{{ConfigKey::SAMPLERATE, Glib::Variant<guint64>::create(
+				any_segment->samplerate())}});
+		output_->receive(meta);
+	} catch (Error error) {
+		error_ = tr("Error while saving: ") + error.what();
 		return false;
 	}
 
-	// Delete the probes array
-	for (size_t i = 0; i <= sigs.size(); i++)
-		free(probes[i]);
-	delete[] probes;
-
-	_thread = boost::thread(&StoreSession::store_proc, this, snapshot);
+	thread_ = std::thread(&StoreSession::store_proc, this,
+		achannel_list, asegment_list, lsegment);
 	return true;
 }
 
 void StoreSession::wait()
 {
-	_thread.join();
+	if (thread_.joinable())
+		thread_.join();
 }
 
 void StoreSession::cancel()
 {
-	_thread.interrupt();
+	interrupt_ = true;
 }
 
-void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
+void StoreSession::store_proc(vector< shared_ptr<data::SignalBase> > achannel_list,
+	vector< shared_ptr<data::AnalogSegment> > asegment_list,
+	shared_ptr<data::LogicSegment> lsegment)
 {
-	assert(snapshot);
-
-	uint64_t start_sample = 0;
+	unsigned progress_scale = 0;
 
 	/// TODO: Wrap this in a std::unique_ptr when we transition to C++11
-	uint8_t *const data = new uint8_t[BlockSize];
-	assert(data);
+	uint8_t *const ldata = new uint8_t[BlockSize];
+	assert(ldata);
+
+	int aunit_size = 0;
+	int lunit_size = 0;
+	unsigned int lsamples_per_block = INT_MAX;
+	unsigned int asamples_per_block = INT_MAX;
+
+	if (!asegment_list.empty()) {
+		// We assume all analog channels use the sample unit size
+		aunit_size = asegment_list.front()->unit_size();
+		asamples_per_block = BlockSize / aunit_size;
+	}
+	if (lsegment) {
+		lunit_size = lsegment->unit_size();
+		lsamples_per_block = BlockSize / lunit_size;
+	}
 
-	const int unit_size = snapshot->unit_size();
-	assert(unit_size != 0);
+	// Qt needs the progress values to fit inside an int. If they would
+	// not, scale the current and max values down until they do.
+	while ((sample_count_ >> progress_scale) > INT_MAX)
+		progress_scale ++;
 
-	{
-		lock_guard<mutex> lock(_mutex);
-		_unit_count = snapshot->get_sample_count();
-	}
+	unit_count_ = sample_count_ >> progress_scale;
 
-	const unsigned int samples_per_block = BlockSize / unit_size;
+	const unsigned int samples_per_block =
+		std::min(asamples_per_block, lsamples_per_block);
 
-	while (!boost::this_thread::interruption_requested() &&
-		start_sample < _unit_count)
-	{
+	while (!interrupt_ && sample_count_) {
 		progress_updated();
 
-		const uint64_t end_sample = min(
-			start_sample + samples_per_block, _unit_count);
-		snapshot->get_samples(data, start_sample, end_sample);
+		const uint64_t packet_len =
+			std::min((uint64_t)samples_per_block, sample_count_);
 
-		if(sr_session_append(_file_name.c_str(), data, unit_size,
-			end_sample - start_sample) != SR_OK)
-		{
-			_error = tr("Error while saving.");
-			break;
-		}
+		try {
+			const auto context = session_.device_manager().context();
 
-		start_sample = end_sample;
+			for (unsigned int i = 0; i < achannel_list.size(); i++) {
+				shared_ptr<sigrok::Channel> achannel = (achannel_list.at(i))->channel();
+				shared_ptr<data::AnalogSegment> asegment = asegment_list.at(i);
 
-		{
-			lock_guard<mutex> lock(_mutex);
-			_units_stored = start_sample;
+				const float *adata =
+					asegment->get_samples(start_sample_, start_sample_ + packet_len);
+
+				// The srzip format currently only supports packets with one
+				// analog channel. See zip_append_analog() in srzip.c
+				auto analog = context->create_analog_packet(
+					vector<shared_ptr<sigrok::Channel> >{achannel},
+					(float *)adata, packet_len,
+					sigrok::Quantity::VOLTAGE, sigrok::Unit::VOLT,
+					vector<const sigrok::QuantityFlag *>());
+				const string adata_str = output_->receive(analog);
+
+				if (output_stream_.is_open())
+					output_stream_ << adata_str;
+
+				delete[] adata;
+			}
+
+			if (lsegment) {
+				lsegment->get_samples(ldata, start_sample_, start_sample_ + packet_len);
+
+				const size_t length = packet_len * lunit_size;
+				auto logic = context->create_logic_packet(ldata, length, lunit_size);
+				const string ldata_str = output_->receive(logic);
+
+				if (output_stream_.is_open())
+					output_stream_ << ldata_str;
+			}
+		} catch (Error error) {
+			error_ = tr("Error while saving: ") + error.what();
+			break;
 		}
+
+		sample_count_ -= packet_len;
+		start_sample_ += packet_len;
+		units_stored_ = unit_count_ - (sample_count_ >> progress_scale);
 	}
 
+	// Zeroing the progress variables indicates completion
+	units_stored_ = unit_count_ = 0;
+
+	store_successful();
 	progress_updated();
 
-	delete[] data;
+	output_.reset();
+	output_stream_.close();
+
+	delete[] ldata;
 }
 
 } // pv