#include <cassert>
+#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>
using sigrok::ConfigKey;
using sigrok::Error;
using sigrok::OutputFormat;
+using sigrok::OutputFlag;
namespace pv {
StoreSession::StoreSession(const std::string &file_name,
const shared_ptr<OutputFormat> &output_format,
- const map<string, VariantBase> &options, const Session &session) :
+ 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),
bool StoreSession::start()
{
- shared_lock<shared_mutex> lock(session_.signals_mutex());
- const unordered_set< shared_ptr<view::Signal> > &sigs(session_.signals());
+ const unordered_set< shared_ptr<view::Signal> > sigs(session_.signals());
// Add enabled channels to the data set
set< shared_ptr<data::SignalData> > data_set;
const shared_ptr<data::LogicSegment> segment(segments.front());
assert(segment);
+ // Check whether the user wants to export a certain sample range
+ if (sample_range_.first == sample_range_.second) {
+ start_sample_ = 0;
+ sample_count_ = segment->get_sample_count();
+ } else {
+ if (sample_range_.first > sample_range_.second) {
+ start_sample_ = sample_range_.second;
+ sample_count_ = sample_range_.first - sample_range_.second;
+ } else {
+ start_sample_ = sample_range_.first;
+ sample_count_ = sample_range_.second - sample_range_.first;
+ }
+ }
+
// Begin storing
try {
const auto context = session_.device_manager().context();
map<string, Glib::VariantBase> options = options_;
- output_stream_.open(file_name_, ios_base::binary |
- ios_base::trunc | ios_base::out);
+ 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(
{
assert(segment);
- 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
const int unit_size = segment->unit_size();
assert(unit_size != 0);
- sample_count = segment->get_sample_count();
-
- // 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)
+ 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_ && sample_count_) {
progress_updated();
- const uint64_t end_sample = min(
- start_sample + samples_per_block, sample_count);
- segment->get_samples(data, start_sample, end_sample);
+ const uint64_t packet_len =
+ std::min((uint64_t)samples_per_block, sample_count_);
+
+ segment->get_samples(data, start_sample_, start_sample_ + packet_len);
- size_t length = (end_sample - start_sample) * unit_size;
+ size_t length = packet_len * unit_size;
try {
const auto context = session_.device_manager().context();
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