X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Flogicsegment.hpp;h=43fd41126617bd0b9d76dbc0f8bbf7875c5569bd;hp=0931e2c46c9f6ed86a9c1d8f8706c8477cc56a26;hb=26a883ede0bcf68d087eda5dd2082890d36c7aef;hpb=038a14278afb24e10cd59991c2cafd97264fd3a5

diff --git a/pv/data/logicsegment.hpp b/pv/data/logicsegment.hpp
index 0931e2c4..43fd4112 100644
--- a/pv/data/logicsegment.hpp
+++ b/pv/data/logicsegment.hpp
@@ -40,6 +40,12 @@ struct LongPulses;
 namespace pv {
 namespace data {
 
+typedef struct {
+	uint64_t sample_index, chunk_num, chunk_offs;
+	uint8_t* chunk;
+	uint8_t* value;
+} SegmentLogicDataIterator;
+
 class LogicSegment : public Segment
 {
 private:
@@ -61,8 +67,7 @@ public:
 	typedef std::pair<int64_t, bool> EdgePair;
 
 public:
-	LogicSegment(std::shared_ptr<sigrok::Logic> logic,
-		uint64_t samplerate, uint64_t expected_num_samples = 0);
+	LogicSegment(std::shared_ptr<sigrok::Logic> logic, uint64_t samplerate);
 
 	virtual ~LogicSegment();
 
@@ -70,6 +75,10 @@ public:
 
 	const uint8_t* get_samples(int64_t start_sample, int64_t end_sample) const;
 
+	SegmentLogicDataIterator* begin_sample_iteration(uint64_t start) const;
+	void continue_sample_iteration(SegmentLogicDataIterator* it, uint64_t increase) const;
+	void end_sample_iteration(SegmentLogicDataIterator* it) const;
+
 private:
 	uint64_t unpack_sample(const uint8_t *ptr) const;
 	void pack_sample(uint8_t *ptr, uint64_t value);
@@ -78,7 +87,7 @@ private:
 
 	void append_payload_to_mipmap();
 
-	uint64_t get_sample(uint64_t index) const;
+	uint64_t get_unpacked_sample(uint64_t index) const;
 
 public:
 	/**