brickworks/include/bwpp_pink_filt.h

102 lines
2.5 KiB
C++

/*
* Brickworks
*
* Copyright (C) 2023 Orastron Srl unipersonale
*
* Brickworks is free software: you can repink_filtribute 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 pink_filtributed 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_PINK_FILT_H
#define BWPP_PINK_FILT_H
#include <bw_pink_filt.h>
#include <array>
namespace Brickworks {
/*! api {{{
* ##### Brickworks::PinkFilt
* ```>>> */
template<size_t N_CHANNELS>
class PinkFilt {
public:
PinkFilt();
void setSampleRate(float sampleRate);
void reset();
void process(
std::array<const float *, N_CHANNELS> x,
std::array<float *, N_CHANNELS> y,
int nSamples);
void setSampleRateScaling(bool value);
float getScalingK();
/*! <<<...
* }
* ```
* }}} */
/*** 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_pink_filt_coeffs coeffs;
bw_pink_filt_state states[N_CHANNELS];
bw_pink_filt_state *statesP[N_CHANNELS];
};
template<size_t N_CHANNELS>
inline PinkFilt<N_CHANNELS>::PinkFilt() {
bw_pink_filt_init(&coeffs);
for (size_t i = 0; i < N_CHANNELS; i++)
statesP[i] = states + i;
}
template<size_t N_CHANNELS>
inline void PinkFilt<N_CHANNELS>::setSampleRate(float sampleRate) {
bw_pink_filt_set_sample_rate(&coeffs, sampleRate);
}
template<size_t N_CHANNELS>
inline void PinkFilt<N_CHANNELS>::reset() {
for (size_t i = 0; i < N_CHANNELS; i++)
bw_pink_filt_reset_state(&coeffs, states + i);
}
template<size_t N_CHANNELS>
inline void PinkFilt<N_CHANNELS>::process(
std::array<const float *, N_CHANNELS> x,
std::array<float *, N_CHANNELS> y,
int nSamples) {
bw_pink_filt_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples);
}
template<size_t N_CHANNELS>
inline void PinkFilt<N_CHANNELS>::setSampleRateScaling(bool value) {
bw_pink_filt_set_sample_rate_scaling(&coeffs, value);
}
template<size_t N_CHANNELS>
inline float PinkFilt<N_CHANNELS>::getScalingK() {
return bw_pink_filt_get_scaling_k(&coeffs);
}
}
#endif