]> sigrok.org Git - pulseview.git/blobdiff - pv/storesession.cpp
Fix #1198 by removing the 1:1 zoom button
[pulseview.git] / pv / storesession.cpp
index 221804c40baaf07721f7c229704f5cae072f1ca4..3d7b058a87034b6c02cc4109347e798b94702b40 100644 (file)
  * 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 <cassert>
 
 #include "storesession.hpp"
 
-#include <pv/sigsession.hpp>
+#include <pv/data/analog.hpp>
+#include <pv/data/analogsegment.hpp>
 #include <pv/data/logic.hpp>
-#include <pv/data/logicsnapshot.hpp>
-#include <pv/view/signal.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/data/signalbase.hpp>
+#include <pv/devicemanager.hpp>
+#include <pv/devices/device.hpp>
+#include <pv/session.hpp>
 
-#include <libsigrok/libsigrok.hpp>
-
-using boost::shared_lock;
-using boost::shared_mutex;
+#include <libsigrokcxx/libsigrokcxx.hpp>
 
 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::ConfigKey;
 using sigrok::Error;
+using sigrok::OutputFormat;
+using sigrok::OutputFlag;
 
 namespace pv {
 
-const size_t StoreSession::BlockSize = 1024 * 1024;
+const size_t StoreSession::BlockSize = 10 * 1024 * 1024;
 
-StoreSession::StoreSession(const std::string &file_name,
+StoreSession::StoreSession(const string &file_name,
+       const shared_ptr<OutputFormat> &output_format,
+       const map<string, VariantBase> &options,
+       const 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),
@@ -80,62 +90,105 @@ const QString& StoreSession::error() const
 
 bool StoreSession::start()
 {
-       set< shared_ptr<data::SignalData> > data_set =
-               session_.get_data();
+       const unordered_set< shared_ptr<data::SignalBase> > sigs(session_.signalbases());
 
-       shared_lock<shared_mutex> lock(session_.signals_mutex());
-       const vector< shared_ptr<view::Signal> > &sigs(session_.signals());
+       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;
 
-       // Check we have logic data
-       if (data_set.empty() || sigs.empty()) {
-               error_ = tr("No data to save.");
-               return false;
-       }
+       for (shared_ptr<data::SignalBase> signal : sigs) {
+               if (!signal->enabled())
+                       continue;
 
-       if (data_set.size() > 1) {
-               error_ = tr("PulseView currently only has support for "
-                       "storing a single data stream.");
-               return false;
+               if (signal->type() == data::SignalBase::LogicChannel) {
+                       // All logic channels share the same data segments
+                       shared_ptr<data::Logic> ldata = signal->logic_data();
+
+                       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() == data::SignalBase::AnalogChannel) {
+                       // 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);
+               }
        }
 
-       // Get the logic data
-       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.");
+       if (!any_segment) {
+               error_ = tr("No channels enabled.");
                return false;
        }
 
-       // Get the snapshot
-       const deque< shared_ptr<data::LogicSnapshot> > &snapshots =
-               data->get_snapshots();
+       // Check whether the user wants to export a certain sample range
+       uint64_t end_sample;
+
+       if (sample_range_.first == sample_range_.second) {
+               // No sample range specified, save everything we have
+               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_;
+               }
+       }
 
-       if (snapshots.empty()) {
-               error_ = tr("No snapshots to save.");
+       // Make sure the sample range is valid
+       if (start_sample_ > any_segment->get_sample_count()) {
+               error_ = tr("Can't save range without sample data.");
                return false;
        }
 
-       const shared_ptr<data::LogicSnapshot> snapshot(snapshots.front());
-       assert(snapshot);
-
        // Begin storing
        try {
-               auto context = session_.session()->context();
-               auto output_format = context->output_formats()["srzip"];
-               auto device = session_.device();
-               output_ = output_format->create_output(device,
-                       {{"filename",
-                               Glib::Variant<Glib::ustring>::create(file_name_)}});
+               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(data->samplerate())}});
+                       {{ConfigKey::SAMPLERATE, Glib::Variant<guint64>::create(
+                               any_segment->samplerate())}});
                output_->receive(meta);
-       } catch (Error error) {
-               error_ = tr("Error while saving.");
+       } catch (Error& error) {
+               error_ = tr("Error while saving: ") + error.what();
                return false;
        }
 
-       thread_ = std::thread(&StoreSession::store_proc, this, snapshot);
+       thread_ = std::thread(&StoreSession::store_proc, this,
+               achannel_list, asegment_list, lsegment);
        return true;
 }
 
@@ -150,62 +203,97 @@ void StoreSession::cancel()
        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, sample_count;
        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);
-
-       const int unit_size = snapshot->unit_size();
-       assert(unit_size != 0);
+       int aunit_size = 0;
+       int lunit_size = 0;
+       unsigned int lsamples_per_block = INT_MAX;
+       unsigned int asamples_per_block = INT_MAX;
 
-       sample_count = snapshot->get_sample_count();
+       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;
+       }
 
-       // Qt needs the progress values to fit inside an int.  If they would
+       // 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 ++;
+       while ((sample_count_ >> progress_scale) > INT_MAX)
+               progress_scale++;
 
-       unit_count_ = sample_count >> progress_scale;
+       unit_count_ = sample_count_ >> progress_scale;
 
-       const unsigned int samples_per_block = BlockSize / unit_size;
+       const unsigned int samples_per_block =
+               min(asamples_per_block, lsamples_per_block);
 
-       while (!interrupt_ && start_sample < sample_count)
-       {
+       while (!interrupt_ && sample_count_) {
                progress_updated();
 
-               const uint64_t end_sample = min(
-                       start_sample + samples_per_block, sample_count);
-               snapshot->get_samples(data, start_sample, end_sample);
-
-               size_t length = end_sample - start_sample;
+               const uint64_t packet_len =
+                       min((uint64_t)samples_per_block, sample_count_);
 
                try {
-                       auto context = session_.session()->context();
-                       auto logic = context->create_logic_packet(data, length, unit_size);
-                       output_->receive(logic);
-               } catch (Error error) {
-                       error_ = tr("Error while saving.");
+                       const auto context = session_.device_manager().context();
+
+                       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);
+
+                               float *adata = new float[packet_len];
+                               asegment->get_samples(start_sample_, start_sample_ + packet_len, adata);
+
+                               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) {
+                               const size_t data_size = packet_len * lunit_size;
+                               uint8_t* ldata = new uint8_t[data_size];
+                               lsegment->get_samples(start_sample_, start_sample_ + packet_len, ldata);
+
+                               auto logic = context->create_logic_packet((void*)ldata, data_size, lunit_size);
+                               const string ldata_str = output_->receive(logic);
+
+                               if (output_stream_.is_open())
+                                       output_stream_ << ldata_str;
+
+                               delete[] ldata;
+                       }
+               } catch (Error& error) {
+                       error_ = tr("Error while saving: ") + error.what();
                        break;
                }
 
-               start_sample = end_sample;
-               units_stored_ = start_sample >> progress_scale;
+               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();
 
        output_.reset();
-
-       delete[] data;
+       output_stream_.close();
 }
 
-} // pv
+}  // namespace pv