86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/*
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* Brickworks
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*
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* Copyright (C) 2023 Orastron Srl unipersonale
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*
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* Brickworks is free software: you can repink_filtribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* Brickworks is pink_filtributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Brickworks. If not, see <http://www.gnu.org/licenses/>.
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*
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* File author: Stefano D'Angelo
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*/
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#ifndef BWPP_PINK_FILT_H
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#define BWPP_PINK_FILT_H
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#include <bw_pink_filt.h>
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#include <array>
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namespace Brickworks {
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template<BW_SIZE_T N_CHANNELS>
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class PinkFilt {
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public:
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PinkFilt();
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void setSampleRate(float sampleRate);
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void reset();
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void process(
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std::array<const float *, N_CHANNELS> x,
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std::array<float *, N_CHANNELS> y,
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int nSamples);
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void setSampleRateScaling(bool value);
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float getScalingK();
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private:
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bw_pink_filt_coeffs coeffs;
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bw_pink_filt_state states[N_CHANNELS];
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};
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template<BW_SIZE_T N_CHANNELS>
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inline PinkFilt<N_CHANNELS>::PinkFilt() {
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bw_pink_filt_init(&coeffs);
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}
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template<BW_SIZE_T N_CHANNELS>
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inline void PinkFilt<N_CHANNELS>::setSampleRate(float sampleRate) {
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bw_pink_filt_set_sample_rate(&coeffs, sampleRate);
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}
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template<BW_SIZE_T N_CHANNELS>
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inline void PinkFilt<N_CHANNELS>::reset() {
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for (BW_SIZE_T i = 0; i < N_CHANNELS; i++)
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bw_pink_filt_reset_state(&coeffs, states + i);
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}
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template<BW_SIZE_T N_CHANNELS>
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inline void PinkFilt<N_CHANNELS>::process(
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std::array<const float *, N_CHANNELS> x,
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std::array<float *, N_CHANNELS> y,
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int nSamples) {
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for (BW_SIZE_T i = 0; i < N_CHANNELS; i++)
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bw_pink_filt_process(&coeffs, states + i, x.data()[i], y.data()[i], nSamples);
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}
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template<BW_SIZE_T N_CHANNELS>
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inline void PinkFilt<N_CHANNELS>::setSampleRateScaling(bool value) {
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bw_pink_filt_set_sample_rate_scaling(&coeffs, value);
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}
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template<BW_SIZE_T N_CHANNELS>
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inline float PinkFilt<N_CHANNELS>::getScalingK() {
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return bw_pink_filt_get_scaling_k(&coeffs);
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}
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}
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#endif
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