Implement single sample value getters

[pulseview.git] / pv / data / analogsegment.cpp

diff --git a/pv/data/analogsegment.cpp b/pv/data/analogsegment.cpp
index e6f9626c8c07bdaf0cd0382c674ac50b4771e2b2..579013097a713d3792da81aea0bebf09d45fb95e 100644 (file)
--- a/pv/data/analogsegment.cpp
+++ b/pv/data/analogsegment.cpp
@@ -96,6 +96,16 @@ void AnalogSegment::append_interleaved_samples(const float *data,
                        prev_sample_count + 1, prev_sample_count + 1);
 }
 
+float AnalogSegment::get_sample(int64_t sample_num) const
+{
+       assert(sample_num >= 0);
+       assert(sample_num <= (int64_t)sample_count_);
+
+       lock_guard<recursive_mutex> lock(mutex_);  // Because of free_unused_memory()
+
+       return *((const float*)get_raw_sample(sample_num));
+}
+
 void AnalogSegment::get_samples(int64_t start_sample, int64_t end_sample,
        float* dest) const
 {