LogicSegment::~LogicSegment()
{
lock_guard<recursive_mutex> lock(mutex_);
+
for (MipMapLevel &l : mip_map_)
free(l.data);
}
+shared_ptr<const LogicSegment> LogicSegment::get_shared_ptr() const
+{
+ shared_ptr<const Segment> ptr = nullptr;
+
+ try {
+ ptr = shared_from_this();
+ } catch (std::exception& e) {
+ /* Do nothing, ptr remains a null pointer */
+ }
+
+ return ptr ? std::dynamic_pointer_cast<const LogicSegment>(ptr) : nullptr;
+}
+
template <class T>
void LogicSegment::downsampleTmain(const T*&in, T &acc, T &prev)
{
prev_sample_count + 1, prev_sample_count + 1);
}
+void LogicSegment::append_subsignal_payload(unsigned int index, void *data,
+ uint64_t data_size, vector<uint8_t>& destination)
+{
+ if (index == 0)
+ destination.resize(data_size * unit_size_, 0);
+
+ // Set the bits for this sub-signal where needed
+ // Note: the bytes in *data must either be 0 or 1, nothing else
+ unsigned int index_byte_offs = index / 8;
+ uint8_t* output_data = destination.data() + index_byte_offs;
+ uint8_t* input_data = (uint8_t*)data;
+
+ for (uint64_t i = 0; i < data_size; i++) {
+ assert((i * unit_size_ + index_byte_offs) < destination.size());
+ *output_data |= (input_data[i] << index);
+ output_data += unit_size_;
+ }
+
+ if (index == owner_.num_channels() - 1) {
+ // We gathered sample data of all sub-signals, let's append it
+ append_payload(destination.data(), destination.size());
+ destination.clear();
+ }
+}
+
void LogicSegment::get_samples(int64_t start_sample,
int64_t end_sample, uint8_t* dest) const
{
else if (unit_size_ == 4)
downsampleT<uint32_t>(src_ptr, dest_ptr, count);
else if (unit_size_ == 8)
- downsampleT<uint8_t>(src_ptr, dest_ptr, count);
+ downsampleT<uint64_t>(src_ptr, dest_ptr, count);
else
downsampleGeneric(src_ptr, dest_ptr, count);
len_sample -= count;