X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsegment.hpp;h=b46af4925184fbf3b6bab8c14ef16a6eec2d5dc2;hp=513b7dbd9412fdc03883e7c4991083551923df60;hb=6f925ba9d6faf1077b73c5a5808259576081716a;hpb=26a883ede0bcf68d087eda5dd2082890d36c7aef

diff --git a/pv/data/segment.hpp b/pv/data/segment.hpp
index 513b7db..b46af49 100644
--- a/pv/data/segment.hpp
+++ b/pv/data/segment.hpp
@@ -27,6 +27,9 @@
 #include <mutex>
 #include <vector>
 
+using std::recursive_mutex;
+using std::vector;
+
 namespace SegmentTest {
 struct SmallSize8Single;
 struct MediumSize8Single;
@@ -51,7 +54,7 @@ typedef struct {
 class Segment
 {
 private:
-	static const uint64_t MaxChunkSize = 10*1024*1024;  /* 10MiB */
+	static const uint64_t MaxChunkSize;
 
 public:
 	Segment(uint64_t samplerate, unsigned int unit_size);
@@ -67,17 +70,19 @@ public:
 
 	unsigned int unit_size() const;
 
+	void free_unused_memory();
+
 protected:
 	void append_single_sample(void *data);
 	void append_samples(void *data, uint64_t samples);
 	uint8_t* get_raw_samples(uint64_t start, uint64_t count) const;
 
-	SegmentRawDataIterator* begin_raw_sample_iteration(uint64_t start) const;
-	void continue_raw_sample_iteration(SegmentRawDataIterator* it, uint64_t increase) const;
-	void end_raw_sample_iteration(SegmentRawDataIterator* it) 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);
 
-	mutable std::recursive_mutex mutex_;
-	std::vector<uint8_t*> data_chunks_;
+	mutable recursive_mutex mutex_;
+	vector<uint8_t*> data_chunks_;
 	uint8_t* current_chunk_;
 	uint64_t used_samples_, unused_samples_;
 	uint64_t sample_count_;
@@ -85,6 +90,8 @@ protected:
 	double samplerate_;
 	uint64_t chunk_size_;
 	unsigned int unit_size_;
+	int iterator_count_;
+	bool mem_optimization_requested_;
 
 	friend struct SegmentTest::SmallSize8Single;
 	friend struct SegmentTest::MediumSize8Single;