Preallocate memory before samples are received.

[pulseview.git] / pv / data / logicsnapshot.h

diff --git a/pv/data/logicsnapshot.h b/pv/data/logicsnapshot.h
index 9868a212561fb17364cdd98f525c882432675371..50fb6f8335b97e883007f45bfa9e26207dc30a47 100644 (file)
--- a/pv/data/logicsnapshot.h
+++ b/pv/data/logicsnapshot.h
@@ -58,12 +58,16 @@ public:
        typedef std::pair<int64_t, bool> EdgePair;
 
 public:
-       LogicSnapshot(const sr_datafeed_logic &logic);
+       LogicSnapshot(const sr_datafeed_logic &logic,
+                     uint64_t expected_num_samples = 0);
 
        virtual ~LogicSnapshot();
 
        void append_payload(const sr_datafeed_logic &logic);
 
+       void get_samples(uint8_t *const data,
+               int64_t start_sample, int64_t end_sample) const;
+
 private:
        void reallocate_mipmap_level(MipMapLevel &m);