X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fsession.cpp;h=0077ccfd00d0d36d6de0a401d8f71347e24a4d08;hb=2b0aa8fd5a90220a5965a57fa3df793940df4955;hp=773cf8047956d9cd062d5e3d65b3c2e11ecd0c7e;hpb=fd22c71c1a9cc470b53c71c0ee131a4b2d645f80;p=pulseview.git
diff --git a/pv/session.cpp b/pv/session.cpp
index 773cf80..0077ccf 100644
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -14,8 +14,7 @@
* 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 .
*/
#ifdef _WIN32
@@ -77,6 +76,7 @@ using std::pair;
using std::recursive_mutex;
using std::set;
using std::shared_ptr;
+using std::make_shared;
using std::string;
using std::unordered_set;
using std::vector;
@@ -106,7 +106,8 @@ Session::Session(DeviceManager &device_manager, QString name) :
default_name_(name),
name_(name),
capture_state_(Stopped),
- cur_samplerate_(0)
+ cur_samplerate_(0),
+ data_saved_(true)
{
}
@@ -173,6 +174,11 @@ shared_ptr Session::main_bar() const
return main_bar_;
}
+bool Session::data_saved() const
+{
+ return data_saved_;
+}
+
void Session::save_settings(QSettings &settings) const
{
map dev_info;
@@ -187,11 +193,11 @@ void Session::save_settings(QSettings &settings) const
settings.setValue("device_type", "hardware");
settings.beginGroup("device");
- key_list.push_back("vendor");
- key_list.push_back("model");
- key_list.push_back("version");
- key_list.push_back("serial_num");
- key_list.push_back("connection_id");
+ key_list.emplace_back("vendor");
+ key_list.emplace_back("model");
+ key_list.emplace_back("version");
+ key_list.emplace_back("serial_num");
+ key_list.emplace_back("connection_id");
dev_info = device_manager_.get_device_info(device_);
@@ -271,11 +277,11 @@ void Session::restore_settings(QSettings &settings)
// Re-select last used device if possible but only if it's not demo
settings.beginGroup("device");
- key_list.push_back("vendor");
- key_list.push_back("model");
- key_list.push_back("version");
- key_list.push_back("serial_num");
- key_list.push_back("connection_id");
+ key_list.emplace_back("vendor");
+ key_list.emplace_back("model");
+ key_list.emplace_back("version");
+ key_list.emplace_back("serial_num");
+ key_list.emplace_back("connection_id");
for (string key : key_list) {
const QString k = QString::fromStdString(key);
@@ -302,7 +308,7 @@ void Session::restore_settings(QSettings &settings)
settings.endGroup();
if (QFileInfo(filename).isReadable()) {
- device = std::make_shared(device_manager_.context(),
+ device = make_shared(device_manager_.context(),
filename.toStdString());
set_device(device);
@@ -378,7 +384,7 @@ void Session::set_device(shared_ptr device)
device_.reset();
- // Revert name back to default name (e.g. "Untitled-1") as the data is gone
+ // Revert name back to default name (e.g. "Session 1") as the data is gone
name_ = default_name_;
name_changed();
@@ -410,16 +416,17 @@ void Session::set_device(shared_ptr device)
device_->open();
} catch (const QString &e) {
device_.reset();
- device_changed();
- throw;
}
- device_->session()->add_datafeed_callback([=]
- (shared_ptr device, shared_ptr packet) {
- data_feed_in(device, packet);
- });
+ if (device_) {
+ device_->session()->add_datafeed_callback([=]
+ (shared_ptr device, shared_ptr packet) {
+ data_feed_in(device, packet);
+ });
+
+ update_signals();
+ }
- update_signals();
device_changed();
}
@@ -527,9 +534,15 @@ void Session::start_capture(function error_handler)
for (const shared_ptr d : all_signal_data_)
d->clear();
- // Revert name back to default name (e.g. "Untitled-1") as the data is gone
- name_ = default_name_;
- name_changed();
+ // Revert name back to default name (e.g. "Session 1") for real devices
+ // as the (possibly saved) data is gone. File devices keep their name.
+ shared_ptr hw_device =
+ dynamic_pointer_cast< devices::HardwareDevice >(device_);
+
+ if (hw_device) {
+ name_ = default_name_;
+ name_changed();
+ }
// Begin the session
sampling_thread_ = std::thread(
@@ -611,8 +624,7 @@ bool Session::add_decoder(srd_decoder *const dec)
try {
// Create the decoder
- decoder_stack = shared_ptr(
- new data::DecoderStack(*this, dec));
+ decoder_stack = make_shared(*this, dec);
// Make a list of all the channels
std::vector all_channels;
@@ -638,7 +650,7 @@ bool Session::add_decoder(srd_decoder *const dec)
// Create the decode signal
shared_ptr signalbase =
- shared_ptr(new data::SignalBase(nullptr));
+ make_shared(nullptr);
signalbase->set_decoder_stack(decoder_stack);
signalbases_.insert(signalbase);
@@ -766,8 +778,7 @@ void Session::update_signals()
switch(channel->type()->id()) {
case SR_CHANNEL_LOGIC:
if (!signalbase) {
- signalbase = shared_ptr(
- new data::SignalBase(channel));
+ signalbase = make_shared(channel);
signalbases_.insert(signalbase);
all_signal_data_.insert(logic_data_);
@@ -783,8 +794,7 @@ void Session::update_signals()
case SR_CHANNEL_ANALOG:
{
if (!signalbase) {
- signalbase = shared_ptr(
- new data::SignalBase(channel));
+ signalbase = make_shared(channel);
signalbases_.insert(signalbase);
shared_ptr data(new data::Analog());
@@ -852,10 +862,31 @@ void Session::sample_thread_proc(function error_handler)
assert(0);
}
+ // Optimize memory usage
+ free_unused_memory();
+
+ // We now have unsaved data unless we just "captured" from a file
+ shared_ptr file_device =
+ dynamic_pointer_cast(device_);
+
+ if (!file_device)
+ data_saved_ = false;
+
if (out_of_memory_)
error_handler(tr("Out of memory, acquisition stopped."));
}
+void Session::free_unused_memory()
+{
+ for (shared_ptr data : all_signal_data_) {
+ const vector< shared_ptr > segments = data->segments();
+
+ for (shared_ptr segment : segments) {
+ segment->free_unused_memory();
+ }
+ }
+}
+
void Session::feed_in_header()
{
cur_samplerate_ = device_->read_config(ConfigKey::SAMPLERATE);
@@ -915,8 +946,6 @@ void Session::feed_in_logic(shared_ptr logic)
{
lock_guard lock(data_mutex_);
- const size_t sample_count = logic->data_length() / logic->unit_size();
-
if (!logic_data_) {
// The only reason logic_data_ would not have been created is
// if it was not possible to determine the signals when the
@@ -929,9 +958,8 @@ void Session::feed_in_logic(shared_ptr logic)
set_capture_state(Running);
// Create a new data segment
- cur_logic_segment_ = shared_ptr(
- new data::LogicSegment(
- logic, cur_samplerate_, sample_count));
+ cur_logic_segment_ = make_shared(
+ *logic_data_, logic, cur_samplerate_);
logic_data_->push_segment(cur_logic_segment_);
// @todo Putting this here means that only listeners querying
@@ -974,12 +1002,6 @@ void Session::feed_in_analog(shared_ptr analog)
// in the sweep containing this segment.
sweep_beginning = true;
- // Create a segment, keep it in the maps of channels
- segment = shared_ptr(
- new data::AnalogSegment(
- cur_samplerate_, sample_count));
- cur_analog_segments_[channel] = segment;
-
// Find the analog data associated with the channel
shared_ptr base = signalbase_from_channel(channel);
assert(base);
@@ -987,6 +1009,11 @@ void Session::feed_in_analog(shared_ptr analog)
shared_ptr data(base->analog_data());
assert(data);
+ // Create a segment, keep it in the maps of channels
+ segment = make_shared(
+ *data, cur_samplerate_);
+ cur_analog_segments_[channel] = segment;
+
// Push the segment into the analog data.
data->push_segment(segment);
}
@@ -1009,6 +1036,8 @@ void Session::feed_in_analog(shared_ptr analog)
void Session::data_feed_in(shared_ptr device,
shared_ptr packet)
{
+ static bool frame_began=false;
+
(void)device;
assert(device);
@@ -1030,6 +1059,7 @@ void Session::data_feed_in(shared_ptr device,
case SR_DF_FRAME_BEGIN:
feed_in_frame_begin();
+ frame_began = true;
break;
case SR_DF_LOGIC:
@@ -1050,6 +1080,7 @@ void Session::data_feed_in(shared_ptr device,
}
break;
+ case SR_DF_FRAME_END:
case SR_DF_END:
{
{
@@ -1057,7 +1088,10 @@ void Session::data_feed_in(shared_ptr device,
cur_logic_segment_.reset();
cur_analog_segments_.clear();
}
- frame_ended();
+ if (frame_began) {
+ frame_began = false;
+ frame_ended();
+ }
break;
}
default:
@@ -1065,4 +1099,9 @@ void Session::data_feed_in(shared_ptr device,
}
}
+void Session::on_data_saved()
+{
+ data_saved_ = true;
+}
+
} // namespace pv