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/*
* Copyright (C) 2010-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2010-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2011-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2014 Ben Loftis <ben@harrisonconsoles.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_monitor_processor_h__
#define __ardour_monitor_processor_h__
#include <algorithm>
#include <iostream>
#include <vector>
#include "pbd/signals.h"
#include "pbd/compose.h"
#include "pbd/controllable.h"
#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/processor.h"
#include "ardour/dB.h"
class XMLNode;
namespace ARDOUR {
class Session;
template<typename T>
class /*LIBARDOUR_API*/ MPControl : public PBD::Controllable {
public:
MPControl (T initial, const std::string& name, PBD::Controllable::Flag flag,
float lower = 0.0f, float upper = 1.0f)
: PBD::Controllable (name, flag)
, _value (initial)
, _lower (lower)
, _upper (upper)
, _normal (initial)
{}
/* Controllable API */
void set_value (double v, PBD::Controllable::GroupControlDisposition gcd) {
T newval = (T) v;
if (newval != _value) {
_value = std::max (_lower, std::min (_upper, newval));
Changed (true, gcd); /* EMIT SIGNAL */
}
}
double get_value () const {
return (float) _value;
}
std::string get_user_string () const
{
char theBuf[32]; sprintf( theBuf, "%3.1f dB", accurate_coefficient_to_dB (get_value()));
return std::string(theBuf);
}
double lower () const { return _lower; }
double upper () const { return _upper; }
double normal () const { return _normal; }
/* "access as T" API */
MPControl& operator=(const T& v) {
if (v != _value) {
_value = std::max (_lower, std::min (_upper, v));
Changed (true, PBD::Controllable::UseGroup); /* EMIT SIGNAL */
}
return *this;
}
bool operator==(const T& v) const {
return _value == v;
}
bool operator<(const T& v) const {
return _value < v;
}
bool operator<=(const T& v) const {
return _value <= v;
}
bool operator>(const T& v) const {
return _value > v;
}
bool operator>=(const T& v) const {
return _value >= v;
}
operator T() const { return _value; }
T val() const { return _value; }
protected:
T _value;
T _lower;
T _upper;
T _normal;
};
class LIBARDOUR_API MonitorProcessor : public Processor
{
public:
MonitorProcessor (Session&);
~MonitorProcessor ();
bool display_to_user() const;
void run (BufferSet& /*bufs*/, samplepos_t /*start_sample*/, samplepos_t /*end_sample*/, double /*speed*/, pframes_t /*nframes*/, bool /*result_required*/);
XMLNode& state ();
int set_state (const XMLNode&, int /* version */);
bool configure_io (ChanCount in, ChanCount out);
bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
void set_cut_all (bool);
void set_dim_all (bool);
void set_polarity (uint32_t, bool invert);
void set_cut (uint32_t, bool cut);
void set_dim (uint32_t, bool dim);
void set_solo (uint32_t, bool);
void set_mono (bool);
gain_t dim_level() const { return _dim_level; }
gain_t solo_boost_level() const { return _solo_boost_level; }
bool dimmed (uint32_t chn) const;
bool soloed (uint32_t chn) const;
bool inverted (uint32_t chn) const;
bool cut (uint32_t chn) const;
bool cut_all () const;
bool dim_all () const;
bool mono () const;
bool monitor_active () const { return _monitor_active; }
PBD::Signal0<void> Changed;
boost::shared_ptr<PBD::Controllable> channel_cut_control (uint32_t) const;
boost::shared_ptr<PBD::Controllable> channel_dim_control (uint32_t) const;
boost::shared_ptr<PBD::Controllable> channel_polarity_control (uint32_t) const;
boost::shared_ptr<PBD::Controllable> channel_solo_control (uint32_t) const;
boost::shared_ptr<PBD::Controllable> dim_control () const { return _dim_all_control; }
boost::shared_ptr<PBD::Controllable> cut_control () const { return _cut_all_control; }
boost::shared_ptr<PBD::Controllable> mono_control () const { return _mono_control; }
boost::shared_ptr<PBD::Controllable> dim_level_control () const { return _dim_level_control; }
boost::shared_ptr<PBD::Controllable> solo_boost_control () const { return _solo_boost_level_control; }
private:
struct ChannelRecord {
gain_t current_gain;
/* pointers - created first, but managed by boost::shared_ptr<> */
MPControl<gain_t>* cut_ptr;
MPControl<bool>* dim_ptr;
MPControl<gain_t>* polarity_ptr;
MPControl<bool>* soloed_ptr;
/* shared ptr access and lifetime management, for external users */
boost::shared_ptr<PBD::Controllable> cut_control;
boost::shared_ptr<PBD::Controllable> dim_control;
boost::shared_ptr<PBD::Controllable> polarity_control;
boost::shared_ptr<PBD::Controllable> soloed_control;
/* typed controllables for internal use */
MPControl<gain_t>& cut;
MPControl<bool>& dim;
MPControl<gain_t>& polarity;
MPControl<bool>& soloed;
ChannelRecord (uint32_t);
~ChannelRecord ();
};
std::vector<ChannelRecord*> _channels;
uint32_t solo_cnt;
bool _monitor_active;
/* pointers - created first, but managed by boost::shared_ptr<> */
MPControl<bool>* _dim_all_ptr;
MPControl<bool>* _cut_all_ptr;
MPControl<bool>* _mono_ptr;
MPControl<volatile gain_t>* _dim_level_ptr;
MPControl<volatile gain_t>* _solo_boost_level_ptr;
/* shared ptr access and lifetime management, for external users */
boost::shared_ptr<PBD::Controllable> _dim_all_control;
boost::shared_ptr<PBD::Controllable> _cut_all_control;
boost::shared_ptr<PBD::Controllable> _mono_control;
boost::shared_ptr<PBD::Controllable> _dim_level_control;
boost::shared_ptr<PBD::Controllable> _solo_boost_level_control;
/* typed controllables for internal use */
MPControl<bool>& _dim_all;
MPControl<bool>& _cut_all;
MPControl<bool>& _mono;
MPControl<volatile gain_t>& _dim_level;
MPControl<volatile gain_t>& _solo_boost_level;
void allocate_channels (uint32_t);
void update_monitor_state ();
};
} /* namespace */
#endif /* __ardour_monitor_processor_h__ */
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