get_region_data()

std::vector< DataVariant > MayaFlux::Kakshya::VideoStreamContainer::get_region_data ( const Region &  region ) const

overridevirtual

Get data for a specific region.

Parameters

region

The region to extract data from

Returns

std::vector<DataVariant> containing the region's data

Implements MayaFlux::Kakshya::NDDataContainer.

Definition at line 233 of file VideoStreamContainer.cpp.

{
    std::optional<std::vector<DataVariant>> result;
    seqlock_read_void(m_data_lock, 8, [&] {
        if (m_data.empty())
            return;
 
        const auto* pixels = std::get_if<std::vector<uint8_t>>(&m_data[0]);
        if (!pixels || pixels->empty())
            return;
 
        const std::span<const uint8_t> src { pixels->data(), pixels->size() };
        try {
            result = { extract_nd_region<uint8_t>(src, region, m_structure.dimensions) };
        } catch (const std::exception& e) {
            MF_WARN(Journal::Component::Kakshya, Journal::Context::ContainerProcessing,
                "VideoStreamContainer::get_region_data extraction failed — {}", e.what());
        }
    });
 
    return result.value_or(std::vector<DataVariant> {});
}

References MayaFlux::Journal::ContainerProcessing, MayaFlux::Kakshya::ContainerDataStructure::dimensions, MayaFlux::Journal::Kakshya, m_data, m_data_lock, m_structure, MF_WARN, and pixels.