Refactoring: move samplerate algo from View to Session

[pulseview.git] / pv / session.cpp

diff --git a/pv/session.cpp b/pv/session.cpp
index 0b503e056a83f6bc471aaf3c14612e3682cbbb97..07405fe4ba79de4a0003c9d08070ed47406c23a0 100644 (file)
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -18,6 +18,11 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#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>
 
@@ -217,13 +222,28 @@ set< shared_ptr<data::SignalData> > Session::get_data() const
        return data;
 }
 
-boost::shared_mutex& Session::signals_mutex() const
+double Session::get_samplerate() const
 {
-       return signals_mutex_;
+       double samplerate = 0.0;
+
+       for (const shared_ptr<pv::data::SignalData> d : get_data()) {
+               assert(d);
+               const vector< shared_ptr<pv::data::Segment> > segments =
+                       d->segments();
+               for (const shared_ptr<pv::data::Segment> &s : segments)
+                       samplerate = std::max(samplerate, s->samplerate());
+       }
+
+       // If there is no sample rate given we use samples as unit
+       if (samplerate == 0.0)
+               samplerate = 1.0;
+
+       return samplerate;
 }
 
-const unordered_set< shared_ptr<view::Signal> >& Session::signals() const
+const unordered_set< shared_ptr<view::Signal> > Session::signals() const
 {
+       shared_lock<shared_mutex> lock(signals_mutex_);
        return signals_;
 }
 
@@ -525,7 +545,7 @@ void Session::feed_in_analog(shared_ptr<Analog> analog)
        const vector<shared_ptr<Channel>> channels = analog->channels();
        const unsigned int channel_count = channels.size();
        const size_t sample_count = analog->num_samples() / channel_count;
-       const float *data = analog->data_pointer();
+       const float *data = static_cast<const float *>(analog->data_pointer());
        bool sweep_beginning = false;
 
        for (auto channel : channels)