#include <pybind11/pybind11.h>
#include <pybind11/numpy.h>

#include "kaldi_feature_wrapper.h"

namespace py=pybind11;

bool InitFbank(
    float samp_freq, // frame opts 
    float frame_shift_ms,
    float frame_length_ms,
    float dither,
    float preemph_coeff,
    bool remove_dc_offset,
    std::string window_type, // e.g. Hamming window
    bool round_to_power_of_two,
    float blackman_coeff,
    bool snip_edges,
    bool allow_downsample,
    bool allow_upsample,
    int max_feature_vectors,
    int num_bins, // mel opts
    float low_freq,
    float high_freq,
    float vtln_low,
    float vtln_high,
    bool debug_mel,
    bool htk_mode,
    bool use_energy, // fbank opts
    float energy_floor,
    bool raw_energy,
    bool htk_compat,
    bool use_log_fbank,
    bool use_power);

py::array_t<double> ComputeFbank(
    float samp_freq, // frame opts 
    float frame_shift_ms,
    float frame_length_ms,
    float dither,
    float preemph_coeff,
    bool remove_dc_offset,
    std::string window_type, // e.g. Hamming window
    bool round_to_power_of_two,
    kaldi::BaseFloat blackman_coeff,
    bool snip_edges,
    bool allow_downsample,
    bool allow_upsample,
    int max_feature_vectors,
    int num_bins, // mel opts
    float low_freq,
    float high_freq,
    float vtln_low,
    float vtln_high,
    bool debug_mel,
    bool htk_mode,
    bool use_energy, // fbank opts
    float energy_floor,
    bool raw_energy,
    bool htk_compat,
    bool use_log_fbank,
    bool use_power,
    const py::array_t<double>& wav);

py::array_t<double> ComputeFbankStreaming(const py::array_t<double>& wav);

void ResetFbank();

py::array_t<double> ComputeFbankStreaming(const py::array_t<double>& wav);

py::array_t<double> TestFun(const py::array_t<double>& wav);