extract_windowed_data_by_indices()

std::vector< std::vector< double > > MayaFlux::Yantra::extract_windowed_data_by_indices	(	const std::vector< std::span< const double > > &	data,
		const std::vector< size_t > &	window_indices,
		uint32_t	window_size = 512
	)

Extract specific data windows by indices.

Parameters

data	Input data span
window_indices	Vector of starting indices for windows
window_size	Size of each window

Returns

Vector of data segments from specified windows

Definition at line 420 of file ExtractionHelper.cpp.

{
    std::vector<std::vector<double>> result;
    result.reserve(data.size());
 
    for (const auto& channel : data) {
        std::vector<double> channel_windows;
        if (channel.empty() || window_size == 0) {
            result.emplace_back();
            continue;
        }
 
        for (size_t start_idx : window_indices) {
            if (start_idx + window_size <= channel.size()) {
                auto window_span = channel.subspan(start_idx, window_size);
                channel_windows.insert(channel_windows.end(), window_span.begin(), window_span.end());
            }
        }
        result.push_back(std::move(channel_windows));
    }
 
    return result;
}