SpectralHelper.hpp File Reference

#include "MayaFlux/Nodes/Generators/WindowGenerator.hpp"
#include "MayaFlux/Yantra/OperationSpec/OperationHelper.hpp"
#include <unsupported/Eigen/FFT>

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Namespaces
namespace	MayaFlux
	Main namespace for the Maya Flux audio engine.
namespace	MayaFlux::Yantra

Functions
uint64_t	MayaFlux::Yantra::smallest_size (std::vector< std::vector< double > > &data)
template<typename ProcessorFunc >
std::vector< double >	MayaFlux::Yantra::process_spectral_windows (std::span< double > data, uint32_t window_size, uint32_t hop_size, ProcessorFunc &&processor)
	Common spectral processing helper to eliminate code duplication.
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_window (DataType &input, Nodes::Generator::WindowType window_type, uint32_t window_size=0)
	Windowing transformation using C++20 ranges (IN-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_window (DataType &input, Nodes::Generator::WindowType window_type, uint32_t window_size, std::vector< std::vector< double > > &working_buffer)
	Windowing transformation using C++20 ranges (OUT-OF-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_spectral_filter (DataType &input, double low_freq, double high_freq, double sample_rate=48000.0, uint32_t window_size=1024, uint32_t hop_size=256)
	Spectral filtering using existing FFT infrastructure with C++20 ranges (IN-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_spectral_filter (DataType &input, double low_freq, double high_freq, double sample_rate, uint32_t window_size, uint32_t hop_size, std::vector< std::vector< double > > &working_buffer)
	Spectral filtering using existing FFT infrastructure with C++20 ranges (OUT-OF-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_pitch_shift (DataType &input, double semitones, uint32_t window_size=1024, uint32_t hop_size=256)
	Pitch shifting using existing FFT from AnalysisHelper with C++20 ranges (IN-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_pitch_shift (DataType &input, double semitones, uint32_t window_size, uint32_t hop_size, std::vector< std::vector< double > > &working_buffer)
	Pitch shifting using existing FFT from AnalysisHelper with C++20 ranges (OUT-OF-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_spectral_invert (DataType &input, uint32_t window_size=1024, uint32_t hop_size=256)
	Spectral inversion (phase inversion in frequency domain) using C++20 ranges (IN-PLACE)
template<OperationReadyData DataType>
DataType	MayaFlux::Yantra::transform_spectral_invert (DataType &input, uint32_t window_size, uint32_t hop_size, std::vector< std::vector< double > > &working_buffer)
	Spectral inversion (phase inversion in frequency domain) using C++20 ranges (OUT-OF-PLACE)