X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsegment.cpp;h=483d97b13304b337801066ad84a0ae5dcdb57e62;hp=f635fc387a59dc4156273ca0dd4d88602ca35a27;hb=5e6967cb2bcacbfb9e5b627becb6752621949998;hpb=332c6dd8ebbbd24a5efdf3761f94a48deb9d721a

diff --git a/pv/data/segment.cpp b/pv/data/segment.cpp
index f635fc38..483d97b1 100644
--- a/pv/data/segment.cpp
+++ b/pv/data/segment.cpp
@@ -88,6 +88,21 @@ unsigned int Segment::unit_size() const
 	return unit_size_;
 }
 
+void Segment::free_unused_memory()
+{
+	lock_guard<recursive_mutex> lock(mutex_);
+
+	// No more data will come in, so re-create the last chunk accordingly
+	uint8_t* resized_chunk = new uint8_t[used_samples_ * unit_size_];
+	memcpy(resized_chunk, current_chunk_, used_samples_ * unit_size_);
+
+	delete[] current_chunk_;
+	current_chunk_ = resized_chunk;
+
+	data_chunks_.pop_back();
+	data_chunks_.push_back(resized_chunk);
+}
+
 void Segment::append_single_sample(void *data)
 {
 	lock_guard<recursive_mutex> lock(mutex_);