/*
- Copyright (C) 2006 Paul Davis
-
+ 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/dB.h"
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/chan_count.h"
#include "ardour/processor.h"
+#include "ardour/automation_control.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 {
+class LIBARDOUR_API Amp : public Processor {
public:
- Amp(Session& s, IO& io);
+ Amp(Session& s, std::string type = "amp");
+
+ std::string display_name () const { return _display_name; }
+ void set_display_name (const std::string& name) { _display_name = name; }
+
+ std::string type() const { return _type;}
+
+ bool visible () const;
- bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const;
+ bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
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; }
+ void run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
+
+ bool apply_gain () const { return _apply_gain; }
+ void apply_gain (bool yn) { _apply_gain = yn; }
+
+ void set_gain_automation_buffer (gain_t *);
+
+ void setup_gain_automation (framepos_t start_frame, framepos_t end_frame, framecnt_t nframes);
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; }
+ XMLNode& state (bool full);
+ int set_state (const XMLNode&, int version);
+
+ static gain_t apply_gain (BufferSet& bufs, framecnt_t sample_rate, framecnt_t nframes, gain_t initial, gain_t target, bool midi_amp = true);
+ static void apply_simple_gain(BufferSet& bufs, framecnt_t nframes, gain_t target, bool midi_amp = true);
+
+ static gain_t apply_gain (AudioBuffer& buf, framecnt_t sample_rate, framecnt_t nframes, gain_t initial, gain_t target);
+ static void apply_simple_gain(AudioBuffer& buf, framecnt_t nframes, gain_t target);
+
+ static void declick (BufferSet& bufs, framecnt_t nframes, int dir);
- void set_gain(float current, float desired) {
- _current_gain = current;
- _desired_gain = desired;
+ gain_t gain () const { return _gain_control->get_value(); }
+
+ void set_gain (gain_t g, void *src);
+ void inc_gain (gain_t delta, void *src);
+
+ static void update_meters();
+
+ /* automation */
+
+ struct GainControl : public AutomationControl {
+ GainControl (std::string name, Session& session, Amp* a, const Evoral::Parameter ¶m,
+ boost::shared_ptr<AutomationList> al = boost::shared_ptr<AutomationList>() )
+ : AutomationControl (session, param, ParameterDescriptor(param), al, name)
+ , _amp (a) {
+ set_flags (Controllable::Flag (flags() | Controllable::GainLike));
+ alist()->reset_default (1.0);
+
+ lower_db = accurate_coefficient_to_dB (_desc.lower);
+ range_db = accurate_coefficient_to_dB (_desc.upper) - lower_db;
+ }
+
+ void set_value (double val);
+ void set_value_unchecked (double);
+
+ double internal_to_interface (double) const;
+ double interface_to_internal (double) const;
+ double internal_to_user (double) const;
+ double user_to_internal (double) const;
+ std::string get_user_string () const;
+
+ Amp* _amp;
+ double lower_db;
+ double range_db;
+ };
+
+ boost::shared_ptr<GainControl> gain_control() {
+ return _gain_control;
}
-
- void apply_mute(bool yn, float current=1.0, float desired=0.0) {
- _mute = yn;
- _current_mute_gain = current;
- _desired_mute_gain = desired;
+
+ boost::shared_ptr<const GainControl> gain_control() const {
+ return _gain_control;
}
- XMLNode& state (bool full);
+ std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
- static void apply_gain (BufferSet& bufs, nframes_t nframes,
- gain_t initial, gain_t target, bool invert_polarity);
+private:
+ bool _denormal_protection;
+ bool _apply_gain;
+ bool _apply_gain_automation;
+ float _current_gain;
+ framepos_t _current_automation_frame;
- static void apply_simple_gain(BufferSet& bufs, nframes_t nframes, gain_t target);
+ std::string _display_name;
-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;
+ boost::shared_ptr<GainControl> _gain_control;
+
+ /** Buffer that we should use for gain automation */
+ gain_t* _gain_automation_buffer;
+ std::string _type;
+ bool _midi_amp;
};
projects / ardour.git / blobdiff