extract_frame() [2/2]

template<ProcessableData T>

constexpr std::span< T > MayaFlux::Kakshya::extract_frame ( std::span< T >  data, uint64_t  frame_index, uint64_t  frame_size  )

constexprnoexcept

Extract a single frame of data from a span.

Template Parameters

T	Data type.

Parameters

data	Source data span.
frame_index	Index of the frame to extract.
frame_size	Number of elements per frame.

Returns

Span containing the frame data.

Definition at line 287 of file DataUtils.hpp.

{
    uint64_t start = frame_index * frame_size;
    uint64_t end = std::min(static_cast<uint64_t>(start + frame_size),
        static_cast<uint64_t>(data.size()));
 
    if (start >= data.size()) {
        return {};
    }
 
    return data.subspan(start, end - start);
}