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/*
* Copyright (C) 2022 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2022 Stefano Tronci <stefano.tronci@protonmail.com>
*
* This file is part of lsp-plugins
* Created on: 27 Feb 2022
*
* lsp-plugins is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-plugins 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-plugins. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_META_NOISE_GENERATOR_H_
#define PRIVATE_META_NOISE_GENERATOR_H_
#include <lsp-plug.in/dsp-units/misc/envelope.h>
#include <lsp-plug.in/dsp-units/misc/windows.h>
#include <lsp-plug.in/plug-fw/meta/types.h>
#include <lsp-plug.in/plug-fw/const.h>
namespace lsp
{
//-------------------------------------------------------------------------
// Plugin metadata
namespace meta
{
typedef struct noise_generator_metadata
{
static constexpr float ZOOM_MIN = GAIN_AMP_M_36_DB;
static constexpr float ZOOM_MAX = GAIN_AMP_0_DB;
static constexpr float ZOOM_DFL = GAIN_AMP_0_DB;
static constexpr float ZOOM_STEP = 0.025f;
static constexpr float VELVET_WINDOW_DURATION_MIN = 0.0f;
static constexpr float VELVET_WINDOW_DURATION_MAX = 0.1f;
static constexpr float VELVET_WINDOW_DURATION_DFL = 0.0f;
static constexpr float VELVET_WINDOW_DURATION_STEP = 1.0e-3f;
static constexpr float VELVET_ARN_DELTA_MIN = 0.0f;
static constexpr float VELVET_ARN_DELTA_MAX = 1.0f;
static constexpr float VELVET_ARN_DELTA_DFL = 0.5f;
static constexpr float VELVET_ARN_DELTA_STEP = 1.0e-3f;
static constexpr float VELVET_CRUSH_PROB_MIN = 0.0f;
static constexpr float VELVET_CRUSH_PROB_MAX = 100.0f;
static constexpr float VELVET_CRUSH_PROB_DFL = 50.0f;
static constexpr float VELVET_CRUSH_PROB_STEP = 1.0e-2f;
static constexpr float NOISE_COLOR_SLOPE_NPN_MIN = -3.0f;
static constexpr float NOISE_COLOR_SLOPE_NPN_MAX = 3.0f;
static constexpr float NOISE_COLOR_SLOPE_NPN_DFL = -0.5f; // Pink
static constexpr float NOISE_COLOR_SLOPE_NPN_STEP = 1.0e-3f;
static constexpr float NOISE_COLOR_SLOPE_DBO_MIN = -18.0f;
static constexpr float NOISE_COLOR_SLOPE_DBO_MAX = 18.0f;
static constexpr float NOISE_COLOR_SLOPE_DBO_DFL = -3.0f; // Pink
static constexpr float NOISE_COLOR_SLOPE_DBO_STEP = 2.0e-3f;
static constexpr float NOISE_COLOR_SLOPE_DBD_MIN = -60.0f;
static constexpr float NOISE_COLOR_SLOPE_DBD_MAX = 60.0f;
static constexpr float NOISE_COLOR_SLOPE_DBD_DFL = -10.0f; // Pink
static constexpr float NOISE_COLOR_SLOPE_DBD_STEP = 1.0e-2f;
static constexpr float IN_GAIN_DFL = 1.0f;
static constexpr float OUT_GAIN_DFL = 1.0f;
static constexpr size_t FFT_RANK = 13;
static constexpr size_t FFT_ITEMS = 1 << FFT_RANK;
static constexpr size_t FFT_WINDOW = lsp::dspu::windows::HANN;
static constexpr size_t FFT_ENVELOPE = lsp::dspu::envelope::WHITE_NOISE;
static constexpr size_t FFT_REFRESH_RATE = 20;
static constexpr float FFT_REACT_TIME_MIN = 0.000f;
static constexpr float FFT_REACT_TIME_MAX = 1.000f;
static constexpr float FFT_REACT_TIME_DFL = 0.200f;
static constexpr float FFT_REACT_TIME_STEP = 0.001f;
static constexpr float NOISE_AMPLITUDE_DFL = 1.0f;
static constexpr float NOISE_OFFSET_MIN = -10.0f;
static constexpr float NOISE_OFFSET_MAX = 10.0f;
static constexpr float NOISE_OFFSET_DFL = 0.0f;
static constexpr float NOISE_OFFSET_STEP = 0.1f;
static constexpr size_t CHANNELS_MAX = 4;
static constexpr size_t NUM_GENERATORS = 4;
static constexpr size_t MESH_POINTS = 640;
enum noise_type_selector_t
{
NOISE_TYPE_OFF,
NOISE_TYPE_MLS,
NOISE_TYPE_LCG,
NOISE_TYPE_VELVET,
NOISE_TYPE_DFL = NOISE_TYPE_LCG
};
enum noise_color_selector_t
{
NOISE_COLOR_WHITE,
NOISE_COLOR_PINK,
NOISE_COLOR_RED,
NOISE_COLOR_BLUE,
NOISE_COLOR_VIOLET,
NOISE_COLOR_ARBITRARY_NPN,
NOISE_COLOR_ARBITRARY_DBO,
NOISE_COLOR_ARBITRARY_DBD,
NOISE_COLOR_DFL = NOISE_COLOR_WHITE
};
enum lcg_dist_selector_t
{
NOISE_LCG_UNIFORM,
NOISE_LCG_EXPONENTIAL,
NOISE_LCG_TRIANGULAR,
NOISE_LCG_GAUSSIAN,
NOISE_LCG_DFL = NOISE_LCG_UNIFORM
};
enum velvet_type_selector_t
{
NOISE_VELVET_OVN,
NOISE_VELVET_OVNA,
NOISE_VELVET_ARN,
NOISE_VELVET_TRN,
NOISE_VELVET_DFL = NOISE_VELVET_OVN
};
enum noise_mode_selector_t
{
CHANNEL_MODE_OVERWRITE,
CHANNEL_MODE_ADD,
CHANNEL_MODE_MULT,
CHANNEL_MODE_DFL = CHANNEL_MODE_ADD
};
} noise_generator;
// Plugin type metadata
extern const plugin_t noise_generator_x1;
extern const plugin_t noise_generator_x2;
extern const plugin_t noise_generator_x4;
}
}
#endif /* PRIVATE_META_NOISE_GENERATOR_H_ */
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