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/*
* Copyright (C) 2024 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2024 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugins-return
* Created on: 26 авг 2024 г.
*
* lsp-plugins-return 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-return 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-return. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_PLUGINS_RETURN_H_
#define PRIVATE_PLUGINS_RETURN_H_
#include <lsp-plug.in/dsp-units/util/Delay.h>
#include <lsp-plug.in/dsp-units/ctl/Bypass.h>
#include <lsp-plug.in/plug-fw/plug.h>
#include <private/meta/return.h>
namespace lsp
{
namespace plugins
{
/**
* Base class for the latency compensation delay
*/
class Return: public plug::Module
{
private:
enum mode_t
{
MODE_ADD,
MODE_MUL,
MODE_REPLACE
};
typedef struct channel_t
{
dspu::Bypass sBypass; // Bypass
plug::IPort *pIn; // Input port
plug::IPort *pOut; // Output port
plug::IPort *pReturn; // Return port
plug::IPort *pInMeter; // Input level meter
plug::IPort *pOutMeter; // Output level meter
plug::IPort *pReturnMeter; // Return level meter
} channel_t;
protected:
size_t nChannels; // Number of channels
channel_t *vChannels; // Channels
float fInGain; // Input gain
float fOutGain; // Output gain
float fReturnGain; // Return gain
mode_t enMode; // Return mode
plug::IPort *pBypass; // Bypass port
plug::IPort *pInGain; // Input gain
plug::IPort *pOutGain; // Output gain
plug::IPort *pMode; // Return mode
plug::IPort *pReturnGain; // Return gain
protected:
void do_destroy();
static mode_t decode_mode(ssize_t mode);
public:
explicit Return(const meta::plugin_t *meta);
Return (const Return &) = delete;
Return (Return &&) = delete;
virtual ~Return() override;
Return & operator = (const Return &) = delete;
Return & operator = (Return &&) = delete;
virtual void init(plug::IWrapper *wrapper, plug::IPort **ports) override;
virtual void destroy() override;
public:
virtual void update_sample_rate(long sr) override;
virtual void update_settings() override;
virtual void process(size_t samples) override;
virtual void dump(dspu::IStateDumper *v) const override;
};
} /* namespace plugins */
} /* namespace lsp */
#endif /* PRIVATE_PLUGINS_RETURN_H_ */
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