DecodeSignal: Allow muxed logic data to be cached

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

diff --git a/pv/data/segment.cpp b/pv/data/segment.cpp
index 905b79274efeb6ee5ddebd7045348c5da85d9db3..ae9788fc676724d06166f8ffd851767f5abe6362 100644 (file)
--- a/pv/data/segment.cpp
+++ b/pv/data/segment.cpp
@@ -171,15 +171,16 @@ void Segment::append_samples(void* data, uint64_t samples)
        sample_count_ += samples;
 }
 
-uint8_t* Segment::get_raw_samples(uint64_t start, uint64_t count) const
+void Segment::get_raw_samples(uint64_t start, uint64_t count,
+       uint8_t* dest) const
 {
        assert(start < sample_count_);
        assert(start + count <= sample_count_);
        assert(count > 0);
+       assert(dest != nullptr);
 
        lock_guard<recursive_mutex> lock(mutex_);
 
-       uint8_t* dest = new uint8_t[count * unit_size_];
        uint8_t* dest_ptr = dest;
 
        uint64_t chunk_num = (start * unit_size_) / chunk_size_;
@@ -199,8 +200,6 @@ uint8_t* Segment::get_raw_samples(uint64_t start, uint64_t count) const
                chunk_num++;
                chunk_offs = 0;
        }
-
-       return dest;
 }
 
 SegmentRawDataIterator* Segment::begin_raw_sample_iteration(uint64_t start)