X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fdata%2Fanalogsegment.hpp;h=846837ce75f47c2df2afedeaae64f9159d3bd53b;hb=57e7e17efd833527069607595be0847080d0a6a2;hp=520f7168247222015896ae3deea7256cdfa115f6;hpb=efdec55aec1a137460fa362a381ed1904182bfed;p=pulseview.git

diff --git a/pv/data/analogsegment.hpp b/pv/data/analogsegment.hpp
index 520f7168..846837ce 100644
--- a/pv/data/analogsegment.hpp
+++ b/pv/data/analogsegment.hpp
@@ -25,6 +25,11 @@
 #include <utility>
 #include <vector>
 
+#include <QObject>
+
+using std::enable_shared_from_this;
+using std::pair;
+
 namespace AnalogSegmentTest {
 struct Basic;
 }
@@ -32,8 +37,12 @@ struct Basic;
 namespace pv {
 namespace data {
 
-class AnalogSegment : public Segment
+class Analog;
+
+class AnalogSegment : public Segment, public enable_shared_from_this<Segment>
 {
+	Q_OBJECT
+
 public:
 	struct EnvelopeSample
 	{
@@ -65,15 +74,18 @@ private:
 	static const uint64_t EnvelopeDataUnit;
 
 public:
-	AnalogSegment(uint64_t samplerate, uint64_t expected_num_samples = 0);
+	AnalogSegment(Analog& owner, uint32_t segment_id, uint64_t samplerate);
 
 	virtual ~AnalogSegment();
 
 	void append_interleaved_samples(const float *data,
 		size_t sample_count, size_t stride);
 
-	const float* get_samples(int64_t start_sample,
-		int64_t end_sample) const;
+	void get_samples(int64_t start_sample, int64_t end_sample, float* dest) const;
+
+	const pair<float, float> get_min_max() const;
+
+	float* get_iterator_value_ptr(SegmentDataIterator* it);
 
 	void get_envelope_section(EnvelopeSection &s,
 		uint64_t start, uint64_t end, float min_length) const;
@@ -84,8 +96,12 @@ private:
 	void append_payload_to_envelope_levels();
 
 private:
+	Analog& owner_;
+
 	struct Envelope envelope_levels_[ScaleStepCount];
 
+	float min_value_, max_value_;
+
 	friend struct AnalogSegmentTest::Basic;
 };