X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fstoresession.cpp;h=92f64f5ba12a328b56bad5728ec8db14c3000b82;hp=484f1ff60f2547cad7924f10c9e1dd202958e7a4;hb=e93f553816d1938ab1917dff497a36acec4257e3;hpb=9d92941e3e8f6a35e6d30df4ba5c896b997047d6 diff --git a/pv/storesession.cpp b/pv/storesession.cpp index 484f1ff6..92f64f5b 100644 --- a/pv/storesession.cpp +++ b/pv/storesession.cpp @@ -20,19 +20,24 @@ #include -#include "storesession.h" +#include "storesession.hpp" -#include -#include -#include -#include +#include +#include +#include +#include -#include +#include + +using boost::shared_lock; +using boost::shared_mutex; 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; @@ -42,20 +47,26 @@ using std::string; using std::thread; using std::vector; +using Glib::VariantBase; + using sigrok::ConfigKey; using sigrok::Error; +using sigrok::OutputFormat; 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 shared_ptr &output_format, + const map &options, const Session &session) : + file_name_(file_name), + output_format_(output_format), + options_(options), + session_(session), + interrupt_(false), + units_stored_(0), + unit_count_(0) { } @@ -66,30 +77,31 @@ StoreSession::~StoreSession() 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; } @@ -97,58 +109,68 @@ bool StoreSession::start() // 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); + const shared_ptr segment(segments.front()); + assert(segment); // Begin storing try { - auto context = _session._sr_session->context(); - auto output_format = context->output_formats()["srzip"]; - auto device = _session.get_device(); - _output = output_format->create_output(device, - {{"filename", - Glib::Variant::create(_file_name)}}); + auto context = session_.session()->context(); + auto device = session_.device(); + + map options = options_; + + // If the output has the capability to write files, use it. + // Otherwise, open the output stream. + const auto opt_list = output_format_->options(); + if (opt_list.find("filename") != opt_list.end()) + options["filename"] = + Glib::Variant::create(file_name_); + else + output_stream_.open(file_name_, ios_base::binary | + ios_base::trunc | ios_base::out); + + output_ = output_format_->create_output(device, options); auto meta = context->create_meta_packet( - {{ConfigKey::SAMPLERATE, - Glib::Variant::create(data->samplerate())}}); - _output->receive(meta); + {{ConfigKey::SAMPLERATE, Glib::Variant::create( + segment->samplerate())}}); + output_->receive(meta); } catch (Error error) { - _error = tr("Error while saving."); + error_ = tr("Error while saving."); return false; } - _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, sample_count; unsigned progress_scale = 0; @@ -157,46 +179,52 @@ void StoreSession::store_proc(shared_ptr snapshot) 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); - sample_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; + unit_count_ = sample_count >> progress_scale; const unsigned int samples_per_block = BlockSize / unit_size; - while (!_interrupt && start_sample < sample_count) + while (!interrupt_ && start_sample < 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); + segment->get_samples(data, start_sample, end_sample); size_t length = end_sample - start_sample; try { - auto context = _session._sr_session->context(); + auto context = session_.session()->context(); auto logic = context->create_logic_packet(data, length, unit_size); - _output->receive(logic); + const string data = output_->receive(logic); + if (output_stream_.is_open()) + output_stream_ << data; } catch (Error error) { - _error = tr("Error while saving."); + error_ = tr("Error while saving."); break; } start_sample = end_sample; - _units_stored = start_sample >> progress_scale; + units_stored_ = start_sample >> progress_scale; } + // Zeroing the progress variables indicates completion + units_stored_ = unit_count_ = 0; + progress_updated(); - _output.reset(); + output_.reset(); + output_stream_.close(); delete[] data; }