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/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugins-crossover
* Created on: 3 авг. 2021 г.
*
* lsp-plugins-crossover 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-crossover 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-crossover. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_META_CROSSOVER_H_
#define PRIVATE_META_CROSSOVER_H_
#include <lsp-plug.in/plug-fw/meta/types.h>
#include <lsp-plug.in/plug-fw/const.h>
#include <lsp-plug.in/dsp-units/misc/windows.h>
namespace lsp
{
namespace meta
{
struct crossover_metadata
{
// Maximum supported number of bands
static constexpr size_t BANDS_MAX = 8;
static constexpr size_t SLOPE_DFL = 2;
// In/out gain
static constexpr float IN_GAIN_DFL = GAIN_AMP_0_DB;
static constexpr float OUT_GAIN_DFL = GAIN_AMP_0_DB;
// Makeup gain for each band
static constexpr float MAKEUP_MIN = GAIN_AMP_M_60_DB;
static constexpr float MAKEUP_MAX = GAIN_AMP_P_60_DB;
static constexpr float MAKEUP_DFL = GAIN_AMP_0_DB;
static constexpr float MAKEUP_STEP = 0.05f;
// Delay for each band
static constexpr float DELAY_MIN = 0.0f;
static constexpr float DELAY_MAX = 1000.0f;
static constexpr float DELAY_DFL = 0.0f;
static constexpr float DELAY_STEP = 0.5f;
// Split frequency
static constexpr float SPLIT_FREQ_MIN = 10.0f;
static constexpr float SPLIT_FREQ_MAX = 20000.0f;
static constexpr float SPLIT_FREQ_DFL = 1000.0f;
static constexpr float SPLIT_FREQ_STEP = 0.002f;
// Frequency analysis
static constexpr float REACT_TIME_MIN = 0.000;
static constexpr float REACT_TIME_MAX = 1.000;
static constexpr float REACT_TIME_DFL = 0.200;
static constexpr float REACT_TIME_STEP = 0.001;
static constexpr size_t FFT_RANK = 13;
static constexpr size_t FFT_ITEMS = 1 << FFT_RANK;
static constexpr size_t MESH_POINTS = 640;
static constexpr size_t FILTER_MESH_POINTS = MESH_POINTS + 2;
static constexpr size_t FFT_WINDOW = dspu::windows::HANN;
static constexpr size_t REFRESH_RATE = 20;
// Output frequency
static constexpr float OUT_FREQ_MIN = 0.0f;
static constexpr float OUT_FREQ_MAX = MAX_SAMPLE_RATE;
static constexpr float OUT_FREQ_DFL = 1000.0f;
static constexpr float OUT_FREQ_STEP = 0.002f;
// Zoom
static constexpr float ZOOM_MIN = GAIN_AMP_M_18_DB;
static constexpr float ZOOM_MAX = GAIN_AMP_0_DB;
static constexpr float ZOOM_DFL = GAIN_AMP_0_DB;
static constexpr float ZOOM_STEP = 0.0125f;
};
extern const meta::plugin_t crossover_mono;
extern const meta::plugin_t crossover_stereo;
extern const meta::plugin_t crossover_lr;
extern const meta::plugin_t crossover_ms;
} // namespace meta
} // namespace lsp
#endif /* PRIVATE_META_CROSSOVER_H_ */
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