get_value_at()

double MayaFlux::Kakshya::SoundStreamContainer::get_value_at ( const std::vector< uint64_t > &  coordinates ) const

overridevirtual

Get a single value at the specified coordinates.

Parameters

coordinates

N-dimensional coordinates

Returns

Value at the specified location

Implements MayaFlux::Kakshya::NDDataContainer.

Definition at line 238 of file SoundStreamContainer.cpp.

{
    if (!has_data() || coordinates.size() != 2) {
        return 0.0;
    }
 
    uint64_t frame = coordinates[0];
    uint64_t channel = coordinates[1];
 
    if (frame >= m_num_frames || channel >= m_num_channels) {
        return 0.0;
    }
 
    const auto& spans = get_span_cache();
 
    if (m_structure.organization == OrganizationStrategy::INTERLEAVED) {
        if (spans.empty())
            return 0.0;
 
        uint64_t linear_index = frame * m_num_channels + channel;
        return (linear_index < spans[0].size()) ? spans[0][linear_index] : 0.0;
    }
 
    if (channel >= spans.size())
        return 0.0;
 
    return (frame < spans[channel].size()) ? spans[channel][frame] : 0.0;
}

References get_span_cache(), has_data(), MayaFlux::Kakshya::INTERLEAVED, m_num_channels, m_num_frames, m_structure, and MayaFlux::Kakshya::ContainerDataStructure::organization.

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