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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-impulse-responses
* Created on: 3 авг. 2021 г.
*
* lsp-plugins-impulse-responses 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-impulse-responses 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-impulse-responses. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_PLUGINS_IMPULSE_RESPONSES_H_
#define PRIVATE_PLUGINS_IMPULSE_RESPONSES_H_
#include <lsp-plug.in/plug-fw/plug.h>
#include <lsp-plug.in/dsp-units/ctl/Toggle.h>
#include <lsp-plug.in/dsp-units/ctl/Bypass.h>
#include <lsp-plug.in/dsp-units/filters/Equalizer.h>
#include <lsp-plug.in/dsp-units/sampling/Sample.h>
#include <lsp-plug.in/dsp-units/sampling/SamplePlayer.h>
#include <lsp-plug.in/dsp-units/util/Convolver.h>
#include <lsp-plug.in/dsp-units/util/Delay.h>
#include <private/meta/impulse_responses.h>
namespace lsp
{
namespace plugins
{
/**
* Impulse Responses Plugin Series
*/
class impulse_responses: public plug::Module
{
protected:
class IRLoader;
typedef struct af_descriptor_t
{
dspu::Toggle sListen; // Listen toggle
dspu::Sample *pOriginal; // Original file sample
dspu::Sample *pProcessed; // Processed file sample by the reconfigure() call
float *vThumbs[meta::impulse_responses_metadata::TRACKS_MAX]; // Thumbnails
float fNorm; // Norming factor
status_t nStatus;
bool bSync; // Synchronize file
float fHeadCut;
float fTailCut;
float fFadeIn;
float fFadeOut;
IRLoader *pLoader; // Audio file loader task
plug::IPort *pFile; // Port that contains file name
plug::IPort *pHeadCut;
plug::IPort *pTailCut;
plug::IPort *pFadeIn;
plug::IPort *pFadeOut;
plug::IPort *pListen;
plug::IPort *pStatus; // Status of file loading
plug::IPort *pLength; // Length of file
plug::IPort *pThumbs; // Thumbnails of file
} af_descriptor_t;
typedef struct channel_t
{
dspu::Bypass sBypass;
dspu::Delay sDelay;
dspu::SamplePlayer sPlayer;
dspu::Equalizer sEqualizer; // Wet signal equalizer
dspu::Convolver *pCurr;
dspu::Convolver *pSwap;
float *vIn;
float *vOut;
float *vBuffer;
float fDryGain;
float fWetGain;
size_t nSource;
plug::IPort *pIn;
plug::IPort *pOut;
plug::IPort *pSource;
plug::IPort *pMakeup;
plug::IPort *pActivity;
plug::IPort *pPredelay;
plug::IPort *pWetEq; // Wet equalization flag
plug::IPort *pLowCut; // Low-cut flag
plug::IPort *pLowFreq; // Low-cut frequency
plug::IPort *pHighCut; // High-cut flag
plug::IPort *pHighFreq; // Low-cut frequency
plug::IPort *pFreqGain[meta::impulse_responses_metadata::EQ_BANDS]; // Gain for each band of the Equalizer
} channel_t;
class IRLoader: public ipc::ITask
{
private:
impulse_responses *pCore;
af_descriptor_t *pDescr;
public:
explicit IRLoader(impulse_responses *base, af_descriptor_t *descr);
virtual ~IRLoader();
public:
virtual status_t run();
void dump(dspu::IStateDumper *v) const;
};
class IRConfigurator: public ipc::ITask
{
private:
impulse_responses *pCore;
public:
explicit IRConfigurator(impulse_responses *base);
virtual ~IRConfigurator();
public:
virtual status_t run();
void dump(dspu::IStateDumper *v) const;
};
class GCTask: public ipc::ITask
{
private:
impulse_responses *pCore;
public:
explicit GCTask(impulse_responses *base);
virtual ~GCTask();
public:
virtual status_t run();
void dump(dspu::IStateDumper *v) const;
};
protected:
bool has_active_loading_tasks();
status_t load(af_descriptor_t *descr);
status_t reconfigure();
void process_configuration_tasks();
void process_loading_tasks();
void process_gc_events();
void process_listen_events();
void perform_convolution(size_t samples);
void output_parameters();
void perform_gc();
protected:
static void destroy_samples(dspu::Sample *gc_list);
static void destroy_sample(dspu::Sample * &s);
static void destroy_convolver(dspu::Convolver * &c);
static void destroy_file(af_descriptor_t *af);
static void destroy_channel(channel_t *c);
static size_t get_fft_rank(size_t rank);
protected:
IRConfigurator sConfigurator;
GCTask sGCTask;
size_t nChannels;
channel_t *vChannels;
af_descriptor_t *vFiles;
ipc::IExecutor *pExecutor;
size_t nReconfigReq;
size_t nReconfigResp;
float fGain;
size_t nRank;
dspu::Sample *pGCList; // Garbage collection list
plug::IPort *pBypass;
plug::IPort *pRank;
plug::IPort *pDry;
plug::IPort *pWet;
plug::IPort *pOutGain;
uint8_t *pData;
public:
explicit impulse_responses(const meta::plugin_t *meta);
virtual ~impulse_responses();
virtual void init(plug::IWrapper *wrapper, plug::IPort **ports);
virtual void destroy();
public:
virtual void ui_activated();
virtual void update_settings();
virtual void update_sample_rate(long sr);
virtual void process(size_t samples);
virtual void dump(dspu::IStateDumper *v) const;
};
} // namespace plugins
} // namespace lsp
#endif /* PRIVATE_PLUGINS_IMPULSE_RESPONSES_H_ */
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