brickworks/include/bwpp_env_gen.h

127 lines
3.1 KiB
C++

/*
* Brickworks
*
* Copyright (C) 2023 Orastron Srl unipersonale
*
* Brickworks is free software: you can reenv_genribute 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 env_genributed 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_ENV_GEN_H
#define BWPP_ENV_GEN_H
#include <bw_env_gen.h>
#include <array>
namespace Brickworks {
/*! api {{{
* ##### Brickworks::EnvGen
* ```>>> */
template<size_t N_CHANNELS>
class EnvGen {
public:
EnvGen();
void setSampleRate(float sampleRate);
void reset();
void process(
std::array<char, N_CHANNELS> gate,
std::array<float *, N_CHANNELS> y,
int nSamples);
void setAttack(float value);
void setDecay(float value);
void setSustain(float value);
void setRelease(float value);
bw_env_gen_phase getPhase(size_t channel);
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_env_gen_coeffs coeffs;
bw_env_gen_state states[N_CHANNELS];
bw_env_gen_state *statesP[N_CHANNELS];
};
template<size_t N_CHANNELS>
inline EnvGen<N_CHANNELS>::EnvGen() {
bw_env_gen_init(&coeffs);
for (size_t i = 0; i < N_CHANNELS; i++)
statesP[i] = states + i;
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::setSampleRate(float sampleRate) {
bw_env_gen_set_sample_rate(&coeffs, sampleRate);
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::reset() {
bw_env_gen_reset_coeffs(&coeffs);
for (size_t i = 0; i < N_CHANNELS; i++)
bw_env_gen_reset_state(&coeffs, states + i);
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::process(
std::array<char, N_CHANNELS> gate,
std::array<float *, N_CHANNELS> y,
int nSamples) {
bw_env_gen_process_multi(&coeffs, statesP, gate.data(), y.data(), N_CHANNELS, nSamples);
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::setAttack(float value) {
bw_env_gen_set_attack(&coeffs, value);
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::setDecay(float value) {
bw_env_gen_set_decay(&coeffs, value);
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::setSustain(float value) {
bw_env_gen_set_sustain(&coeffs, value);
}
template<size_t N_CHANNELS>
inline void EnvGen<N_CHANNELS>::setRelease(float value) {
bw_env_gen_set_release(&coeffs, value);
}
template<size_t N_CHANNELS>
inline bw_env_gen_phase EnvGen<N_CHANNELS>::getPhase(size_t channel) {
return bw_env_gen_get_phase(states + channel);
}
template<size_t N_CHANNELS>
inline float EnvGen<N_CHANNELS>::getYZ1(size_t channel) {
return bw_env_gen_get_y_z1(states + channel);
}
}
#endif