Provide notifiers for when signal data changes

[pulseview.git] / pv / data / logicsegment.cpp

diff --git a/pv/data/logicsegment.cpp b/pv/data/logicsegment.cpp
index a62d9e2f4dae7bca74e79d5f6ca04a3a6a7f87b0..ddcf308d141be35b5f4e65db3dfe84aa4800f972 100644 (file)
--- a/pv/data/logicsegment.cpp
+++ b/pv/data/logicsegment.cpp
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include <cmath>
 
+#include "logic.hpp"
 #include "logicsegment.hpp"
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
@@ -45,13 +46,15 @@ const int LogicSegment::MipMapScaleFactor = 1 << MipMapScalePower;
 const float LogicSegment::LogMipMapScaleFactor = logf(MipMapScaleFactor);
 const uint64_t LogicSegment::MipMapDataUnit = 64*1024; // bytes
 
-LogicSegment::LogicSegment(shared_ptr<Logic> logic, uint64_t samplerate) :
-       Segment(samplerate, logic->unit_size()),
+LogicSegment::LogicSegment(pv::data::Logic& owner, shared_ptr<sigrok::Logic> data,
+       uint64_t samplerate) :
+       Segment(samplerate, data->unit_size()),
+       owner_(owner),
        last_append_sample_(0)
 {
        lock_guard<recursive_mutex> lock(mutex_);
        memset(mip_map_, 0, sizeof(mip_map_));
-       append_payload(logic);
+       append_payload(data);
 }
 
 LogicSegment::~LogicSegment()
@@ -135,18 +138,27 @@ void LogicSegment::pack_sample(uint8_t *ptr, uint64_t value)
 #endif
 }
 
-void LogicSegment::append_payload(shared_ptr<Logic> logic)
+void LogicSegment::append_payload(shared_ptr<sigrok::Logic> logic)
 {
        assert(unit_size_ == logic->unit_size());
        assert((logic->data_length() % unit_size_) == 0);
 
        lock_guard<recursive_mutex> lock(mutex_);
 
-       append_samples(logic->data_pointer(),
-               logic->data_length() / unit_size_);
+       uint64_t prev_sample_count = sample_count_;
+       uint64_t sample_count = logic->data_length() / unit_size_;
+
+       append_samples(logic->data_pointer(), sample_count);
 
        // Generate the first mip-map from the data
        append_payload_to_mipmap();
+
+       if (sample_count > 1)
+               owner_.notify_samples_added(this, prev_sample_count + 1,
+                       prev_sample_count + 1 + sample_count);
+       else
+               owner_.notify_samples_added(this, prev_sample_count + 1,
+                       prev_sample_count + 1);
 }
 
 const uint8_t* LogicSegment::get_samples(int64_t start_sample,