106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
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* Brickworks
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*
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* Copyright (C) 2022 Orastron Srl unipersonale
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*
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* Brickworks is free software: you can redistribute 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 distributed 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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*
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* File author: Stefano D'Angelo
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*/
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/*!
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* module_type {{{ dsp }}}
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* version {{{ 0.2.0 }}}
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* requires {{{ bw_config bw_common bw_math }}}
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* description {{{
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* Sawtooth oscillator waveshaper with PolyBLEP antialiasing.
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* }}}
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* changelog {{{
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* <ul>
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* <li>Version <strong>0.2.0</strong>:
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* <ul>
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* <li>Refactored API to avoid dynamic memory allocation.</li>
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* </ul>
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* </li>
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* <li>Version <strong>0.1.0</strong>:
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* <ul>
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* <li>First release.</li>
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* </ul>
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* </li>
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* </ul>
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* }}}
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*/
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#ifndef _BW_OSC_SAW_H
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#define _BW_OSC_SAW_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! api {{{
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* #### bw_osc_saw
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* ```>>> */
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typedef struct _bw_osc_saw bw_osc_saw;
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/*! <<<```
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* Instance object.
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* >>> */
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/*! ...
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* #### bw_osc_saw_init()
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* ```>>> */
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void bw_osc_saw_init(bw_osc_saw *instance);
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/*! <<<```
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* Initializes the `instance` object.
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* >>> */
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/*! ...
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* #### bw_osc_saw_set_sample_rate() and bw_osc_saw_reset()
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*
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* These do not exist (not needed).
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* >>> */
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/*! ...
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* #### bw_osc_saw_process()
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* ```>>> */
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void bw_osc_saw_process(bw_osc_saw *instance, const float *x, const float *x_phase_inc, float* y, int n_samples);
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/*! <<<```
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* Lets the given `instance` process `n_samples` samples from the input
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* buffer `x` containing the normalized phase signal and fills the
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* corresponding `n_samples` samples in the output buffer `y`.
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* >>> */
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/*! ...
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* #### bw_osc_saw_set_antialiasing()
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* ```>>> */
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void bw_osc_saw_set_antialiasing(bw_osc_saw *instance, char value);
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/*! <<<```
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* Sets whether the antialiasing is on (`value` non-`0`) or off (`0`) for the
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* given `instance`.
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*
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* Default value: `0`.
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* }}} */
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/* WARNING: the internal definition of this struct is not part of the public
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* API. Its content may change at any time in future versions. Please, do not
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* access its members directly. */
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struct _bw_osc_saw {
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// Parameters
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char antialiasing;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif
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