118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
/*
|
|
* Brickworks
|
|
*
|
|
* Copyright (C) 2023 Orastron Srl unipersonale
|
|
*
|
|
* Brickworks is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, version 3 of the License.
|
|
*
|
|
* Brickworks is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Brickworks. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* File author: Stefano D'Angelo
|
|
*/
|
|
|
|
#ifndef BWPP_SVF_H
|
|
#define BWPP_SVF_H
|
|
|
|
#include <bw_svf.h>
|
|
#include <array>
|
|
|
|
namespace Brickworks {
|
|
|
|
/*! api {{{
|
|
* ##### Brickworks::SVF
|
|
* ```>>> */
|
|
template<size_t N_CHANNELS>
|
|
class SVF {
|
|
public:
|
|
SVF();
|
|
|
|
void setSampleRate(float sampleRate);
|
|
void reset(float x0 = 0.f);
|
|
void process(
|
|
std::array<const float *, N_CHANNELS> x,
|
|
std::array<float *, N_CHANNELS> y_lp,
|
|
std::array<float *, N_CHANNELS> y_bp,
|
|
std::array<float *, N_CHANNELS> y_hp,
|
|
int nSamples);
|
|
|
|
void setCutoff(float value);
|
|
void setQ(float value);
|
|
void setPrewarpAtCutoff(bool value);
|
|
void setPrewarpFreq(float value);
|
|
/*! <<<...
|
|
* }
|
|
* ```
|
|
* }}} */
|
|
|
|
/*** Implementation ***/
|
|
|
|
/* WARNING: This part of the file is not part of the public API. Its content may
|
|
* change at any time in future versions. Please, do not use it directly. */
|
|
|
|
private:
|
|
bw_svf_coeffs coeffs;
|
|
bw_svf_state states[N_CHANNELS];
|
|
bw_svf_state *statesP[N_CHANNELS];
|
|
};
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline SVF<N_CHANNELS>::SVF() {
|
|
bw_svf_init(&coeffs);
|
|
for (size_t i = 0; i < N_CHANNELS; i++)
|
|
statesP[i] = states + i;
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::setSampleRate(float sampleRate) {
|
|
bw_svf_set_sample_rate(&coeffs, sampleRate);
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::reset(float x0) {
|
|
bw_svf_reset_coeffs(&coeffs);
|
|
for (size_t i = 0; i < N_CHANNELS; i++)
|
|
bw_svf_reset_state(&coeffs, states + i, x0);
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::process(
|
|
std::array<const float *, N_CHANNELS> x,
|
|
std::array<float *, N_CHANNELS> y_lp,
|
|
std::array<float *, N_CHANNELS> y_bp,
|
|
std::array<float *, N_CHANNELS> y_hp,
|
|
int nSamples) {
|
|
bw_svf_process_multi(&coeffs, statesP, x.data(), y_lp.data(), y_bp.data(), y_hp.data(), N_CHANNELS, nSamples);
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::setCutoff(float value) {
|
|
bw_svf_set_cutoff(&coeffs, value);
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::setQ(float value) {
|
|
bw_svf_set_Q(&coeffs, value);
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::setPrewarpAtCutoff(bool value) {
|
|
bw_svf_set_prewarp_at_cutoff(&coeffs, value);
|
|
}
|
|
|
|
template<size_t N_CHANNELS>
|
|
inline void SVF<N_CHANNELS>::setPrewarpFreq(float value) {
|
|
bw_svf_set_prewarp_freq(&coeffs, value);
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|