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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-runtime-lib
* Created on: 6 сент. 2019 г.
*
* lsp-runtime-lib 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-runtime-lib 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-runtime-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_FMT_ROOMEQWIZARD_H_
#define LSP_PLUG_IN_FMT_ROOMEQWIZARD_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/common/status.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/io/File.h>
#include <lsp-plug.in/io/IInStream.h>
namespace lsp
{
namespace room_ew
{
enum filter_type_t
{
NONE,
PK, // peaking (parametric) filter
MODAL, // Modal filter
LP, // 12dB/octave Low Pass filter (Q=0.7071)
HP, // 12dB/octave High Pass filter (Q=0.7071)
LPQ, // 12dB/octave Low Pass filter with adjustable Q
HPQ, // 12dB/octave High Pass filter with adjustable Q
LS, // Low Shelf filter
HS, // High Shelf filter
LS6, // 6dB/octave Low Shelf filter
HS6, // 6dB/octave High Shelf filter
LS12, // 12dB/octave Low Shelf filter
HS12, // 12dB/octave High Shelf filter
NO, // notch filter
AP // allpass filter
};
typedef struct filter_t
{
double Q;
double fc;
double gain;
filter_type_t filterType;
bool enabled;
// Other parameters will be used some times... maybe
// double A;
// double a[3];
// double aC[3];
// double aSum;
// double alpha;
// double b[3];
// double bC[3];
// double bSum;
// double betasn;
// int32_t control;
// double cs;
// double freqNorm;
// double omega;
// float optMaxFreq;
// float optMinFreq;
// double p[5];
// double sTh[2];
// double sampleRate;
// double sn;
// double t60Target;
// int32_t type;
} filter_t;
typedef struct config_t
{
int32_t nVerMaj; // Major version
int32_t nVerMin; // Minor version
const char *sEqType; // Equalizer type
const char *sNotes; // Notes
size_t nFilters; // Number of filters
filter_t *vFilters; // List of filters
} config_t;
/**
* Load configuration file
* @param path UTF-8 encoded location of the file
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(const char *path, config_t **dst);
/**
* Load configuration file
* @param path location of the file
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(const LSPString *path, config_t **dst);
/**
* Load configuration file
* @param path location of the file
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(const io::Path *path, config_t **dst);
/**
* Load configuration from file
* @param fd file handle
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(FILE *fd, config_t **dst);
/**
* Load configuration from character input stream
* @param input stream pointer
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(io::IInStream *is, config_t **dst);
/**
* Load configuration from file
* @param input stream pointer
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(io::File *fd, config_t **dst);
/**
* Load configuration from data chunk
* @param data buffer with data
* @param size size of buffer
* @param dst pointer to store configuration,
* configuration should be free()'d after use
* @return status of operation
*/
status_t load(const void *data, size_t size, config_t **dst);
}
}
#endif /* LSP_PLUG_IN_FMT_ROOMEQWIZARD_H_ */
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