/* * 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 . * * File author: Stefano D'Angelo */ #ifndef BWPP_PPM_H #define BWPP_PPM_H #include #include namespace Brickworks { /*! api {{{ * ##### Brickworks::PPM * ```>>> */ template class PPM { public: PPM(); void setSampleRate(float sampleRate); void reset(); void process( std::array x, std::array y, int nSamples); void setIntegrationTau(float value); float getYZ1(size_t channel); /*! <<<... * } * ``` * }}} */ /*** 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_ppm_coeffs coeffs; bw_ppm_state states[N_CHANNELS]; bw_ppm_state *statesP[N_CHANNELS]; }; template inline PPM::PPM() { bw_ppm_init(&coeffs); for (size_t i = 0; i < N_CHANNELS; i++) statesP[i] = states + i; } template inline void PPM::setSampleRate(float sampleRate) { bw_ppm_set_sample_rate(&coeffs, sampleRate); } template inline void PPM::reset() { bw_ppm_reset_coeffs(&coeffs); for (size_t i = 0; i < N_CHANNELS; i++) bw_ppm_reset_state(&coeffs, states + i); } template inline void PPM::process( std::array x, std::array y, int nSamples) { bw_ppm_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples); } template inline void PPM::setIntegrationTau(float value) { bw_ppm_set_integration_tau(&coeffs, value); } template inline float PPM::getYZ1(size_t channel) { return bw_ppm_get_y_z1(states + channel); } } #endif