X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsegment.hpp;h=66085fafc935d151f5ded69cc7863bff984858a4;hp=18f1aed77192978ce1a87cbb86aaf7b929672f73;hb=HEAD;hpb=85a702806a15852f3684645dffdc38cb30274481

diff --git a/pv/data/segment.hpp b/pv/data/segment.hpp
index 18f1aed7..f4601d04 100644
--- a/pv/data/segment.hpp
+++ b/pv/data/segment.hpp
@@ -23,12 +23,17 @@
 
 #include "pv/util.hpp"
 
+#include <atomic>
+#include <memory>
 #include <mutex>
 #include <thread>
-#include <vector>
+#include <deque>
 
+#include <QObject>
+
+using std::atomic;
 using std::recursive_mutex;
-using std::vector;
+using std::deque;
 
 namespace SegmentTest {
 struct SmallSize8Single;
@@ -49,11 +54,12 @@ namespace data {
 typedef struct {
 	uint64_t sample_index, chunk_num, chunk_offs;
 	uint8_t* chunk;
-	uint8_t* value;
-} SegmentRawDataIterator;
+} SegmentDataIterator;
 
-class Segment
+class Segment : public QObject
 {
+	Q_OBJECT
+
 private:
 	static const uint64_t MaxChunkSize;
 
@@ -78,21 +84,27 @@ public:
 
 	void free_unused_memory();
 
+Q_SIGNALS:
+	void completed();
+
 protected:
 	void append_single_sample(void *data);
 	void append_samples(void *data, uint64_t samples);
+	const uint8_t* get_raw_sample(uint64_t sample_num) const;
 	void get_raw_samples(uint64_t start, uint64_t count, uint8_t *dest) const;
 
-	SegmentRawDataIterator* begin_raw_sample_iteration(uint64_t start);
-	void continue_raw_sample_iteration(SegmentRawDataIterator* it, uint64_t increase);
-	void end_raw_sample_iteration(SegmentRawDataIterator* it);
+	SegmentDataIterator* begin_sample_iteration(uint64_t start);
+	void continue_sample_iteration(SegmentDataIterator* it, uint64_t increase);
+	void end_sample_iteration(SegmentDataIterator* it);
+	uint8_t* get_iterator_value(SegmentDataIterator* it);
+	uint64_t get_iterator_valid_length(SegmentDataIterator* it);
 
 	uint32_t segment_id_;
 	mutable recursive_mutex mutex_;
-	vector<uint8_t*> data_chunks_;
+	deque<uint8_t*> data_chunks_;
 	uint8_t* current_chunk_;
 	uint64_t used_samples_, unused_samples_;
-	uint64_t sample_count_;
+	atomic<uint64_t> sample_count_;
 	pv::util::Timestamp start_time_;
 	double samplerate_;
 	uint64_t chunk_size_;
@@ -116,4 +128,8 @@ protected:
 } // namespace data
 } // namespace pv
 
+typedef std::shared_ptr<pv::data::Segment> SharedPtrToSegment;
+
+Q_DECLARE_METATYPE(SharedPtrToSegment);
+
 #endif // PULSEVIEW_PV_DATA_SEGMENT_HPP