X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fstoresession.cpp;h=6ecde13aff92a5594eb3a0f931687e5fa7170d9d;hp=a97513433b9aa6601f7c13ced9e08e569b94ebc9;hb=f3d66e52ed6b454ea7a0662d5e6367e230116a2b;hpb=b101c41ea084b6dbf5db173759d79f6ca0cb2454 diff --git a/pv/storesession.cpp b/pv/storesession.cpp index a9751343..6ecde13a 100644 --- a/pv/storesession.cpp +++ b/pv/storesession.cpp @@ -18,12 +18,19 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include "storesession.h" +#include -#include -#include -#include -#include +#include "storesession.hpp" + +#include +#include +#include +#include + +#include + +using boost::shared_lock; +using boost::shared_mutex; using std::deque; using std::dynamic_pointer_cast; @@ -38,17 +45,20 @@ using std::string; using std::thread; using std::vector; +using sigrok::ConfigKey; +using sigrok::Error; + 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), - _interrupt(false), - _units_stored(0), - _unit_count(0) + const Session &session) : + file_name_(file_name), + session_(session), + interrupt_(false), + units_stored_(0), + unit_count_(0) { } @@ -57,132 +67,144 @@ StoreSession::~StoreSession() wait(); } -pair StoreSession::progress() const +pair StoreSession::progress() const { - return make_pair(_units_stored.load(), _unit_count.load()); + return make_pair(units_stored_.load(), unit_count_.load()); } const QString& StoreSession::error() const { - lock_guard lock(_mutex); - return _error; + lock_guard lock(mutex_); + return error_; } bool StoreSession::start() { set< shared_ptr > data_set = - _session.get_data(); - const vector< shared_ptr > sigs = - _session.get_signals(); + session_.get_data(); + + shared_lock lock(session_.signals_mutex()); + const vector< shared_ptr > &sigs(session_.signals()); // Check we have logic data if (data_set.empty() || sigs.empty()) { - _error = tr("No data to save."); + error_ = tr("No data to save."); return false; } if (data_set.size() > 1) { - _error = tr("PulseView currently only has support for " + error_ = tr("PulseView currently only has support for " "storing a single data stream."); return false; } // Get the logic data - //shared_ptr data; if (!(data = dynamic_pointer_cast(*data_set.begin()))) { - _error = tr("PulseView currently only has support for " + error_ = tr("PulseView currently only has support for " "storing a logic data."); return false; } - // Get the snapshot - const deque< shared_ptr > &snapshots = - data->get_snapshots(); + // Get the segment + const deque< shared_ptr > &segments = + data->logic_segments(); - if (snapshots.empty()) { - _error = tr("No snapshots to save."); + if (segments.empty()) { + error_ = tr("No segments to save."); return false; } - const shared_ptr snapshot(snapshots.front()); - assert(snapshot); - - // Make a list of probes - char **const probes = new char*[sigs.size() + 1]; - for (size_t i = 0; i < sigs.size(); i++) { - shared_ptr sig(sigs[i]); - assert(sig); - probes[i] = strdup(sig->get_name().toUtf8().constData()); - } - probes[sigs.size()] = NULL; + const shared_ptr segment(segments.front()); + assert(segment); // Begin storing - if (sr_session_save_init(_file_name.c_str(), - data->samplerate(), probes) != SR_OK) { - _error = tr("Error while saving."); + 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::create(file_name_)}}); + auto meta = context->create_meta_packet( + {{ConfigKey::SAMPLERATE, Glib::Variant::create( + segment->samplerate())}}); + output_->receive(meta); + } catch (Error error) { + error_ = tr("Error while saving."); return false; } - // Delete the probes array - for (size_t i = 0; i <= sigs.size(); i++) - free(probes[i]); - delete[] probes; - - _thread = std::thread(&StoreSession::store_proc, this, snapshot); + thread_ = std::thread(&StoreSession::store_proc, this, segment); return true; } void StoreSession::wait() { - if (_thread.joinable()) - _thread.join(); + if (thread_.joinable()) + thread_.join(); } void StoreSession::cancel() { - _interrupt = true; + interrupt_ = true; } -void StoreSession::store_proc(shared_ptr snapshot) +void StoreSession::store_proc(shared_ptr segment) { - assert(snapshot); + assert(segment); - uint64_t start_sample = 0; + 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(); + const int unit_size = segment->unit_size(); assert(unit_size != 0); - _unit_count = snapshot->get_sample_count(); + sample_count = segment->get_sample_count(); + + // 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 ++; + + unit_count_ = sample_count >> progress_scale; const unsigned int samples_per_block = BlockSize / unit_size; - while (!_interrupt && start_sample < _unit_count) + while (!interrupt_ && start_sample < sample_count) { progress_updated(); const uint64_t end_sample = min( - start_sample + samples_per_block, _unit_count.load()); - snapshot->get_samples(data, start_sample, end_sample); + start_sample + samples_per_block, sample_count); + segment->get_samples(data, start_sample, end_sample); - if(sr_session_append(_file_name.c_str(), data, unit_size, - end_sample - start_sample) != SR_OK) - { - _error = tr("Error while saving."); + size_t length = end_sample - start_sample; + + 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."); break; } start_sample = end_sample; - _units_stored = start_sample; + units_stored_ = start_sample >> progress_scale; } - _unit_count = 0; + // Zeroing the progress variables indicates completion + units_stored_ = unit_count_ = 0; + progress_updated(); + output_.reset(); + delete[] data; }