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/*
Copyright (C) 2006 Paul Davis
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program 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 General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_amp_h__
#define __ardour_amp_h__
#include "ardour/types.h"
#include "ardour/chan_count.h"
#include "ardour/processor.h"
namespace ARDOUR {
class BufferSet;
class IO;
/** Applies a declick operation to all audio inputs, passing the same number of
* audio outputs, and passing through any other types unchanged.
*/
class Amp : public Processor {
public:
Amp(Session& s, IO& io);
bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const;
bool configure_io (ChanCount in, ChanCount out);
void run_in_place (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes);
bool apply_gain() const { return _apply_gain; }
void apply_gain(bool yn) { _apply_gain = yn; }
bool apply_gain_automation() const { return _apply_gain_automation; }
void apply_gain_automation(bool yn) { _apply_gain_automation = yn; }
void muute(bool yn) { _mute = yn; }
void set_gain(float current, float desired) {
_current_gain = current;
_desired_gain = desired;
}
void apply_mute(bool yn, float current=1.0, float desired=0.0) {
_mute = yn;
_current_mute_gain = current;
_desired_mute_gain = desired;
}
XMLNode& state (bool full);
static void apply_gain (BufferSet& bufs, nframes_t nframes,
gain_t initial, gain_t target, bool invert_polarity);
static void apply_simple_gain(BufferSet& bufs, nframes_t nframes, gain_t target);
private:
IO& _io;
bool _mute;
bool _apply_gain;
bool _apply_gain_automation;
float _current_gain;
float _desired_gain;
float _current_mute_gain;
float _desired_mute_gain;
};
} // namespace ARDOUR
#endif // __ardour_amp_h__
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