Extract only the subset of annotations that are in view.

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

diff --git a/pv/data/decoderstack.h b/pv/data/decoderstack.h
index e2139f5b5ca94969e4d704a6cc50ae8024af78c4..9d032ad9756080c19fc8a83d5bc6f407260b906e 100644 (file)
--- a/pv/data/decoderstack.h
+++ b/pv/data/decoderstack.h
@@ -74,7 +74,12 @@ public:
 
        int64_t samples_decoded() const;
 
-       const std::vector<pv::data::decode::Annotation> annotations() const;
+       /**
+        * Extracts sorted annotations between two period into a vector.
+        */
+       void get_annotation_subset(
+               std::vector<pv::data::decode::Annotation> &dest,
+               uint64_t start_sample, uint64_t end_sample) const;
 
        QString error_message();
 
@@ -87,6 +92,20 @@ public:
 private:
        void decode_proc(boost::shared_ptr<data::Logic> data);
 
+       bool index_entry_start_sample_gt(
+               const uint64_t sample, const size_t index) const;
+       bool index_entry_end_sample_lt(
+               const size_t index, const uint64_t sample) const;
+       bool index_entry_end_sample_gt(
+               const uint64_t sample, const size_t index) const;
+
+       void insert_annotation_into_start_index(
+               const pv::data::decode::Annotation &a,
+               const size_t storage_offset);
+       void insert_annotation_into_end_index(
+               const pv::data::decode::Annotation &a,
+               const size_t storage_offset);
+
        static void annotation_callback(srd_proto_data *pdata,
                void *decoder);
 
@@ -108,6 +127,14 @@ private:
        mutable boost::mutex _mutex;
        int64_t _samples_decoded;
        std::vector<pv::data::decode::Annotation> _annotations;
+
+       /**
+        * _ann_start_index and _ann_end_index contain lists of annotions
+        * (represented by offsets in the _annotations vector), sorted in
+        * ascending ordered by the start_sample and end_sample respectively.
+        */
+       std::vector<size_t> _ann_start_index, _ann_end_index;
+
        QString _error_message;
 
        boost::thread _decode_thread;