diff options
| -rw-r--r-- | libs/ardour/ardour/gain_control.h | 6 | ||||
| -rw-r--r-- | libs/ardour/ardour/vca.h | 53 | ||||
| -rw-r--r-- | libs/ardour/gain_control.cc | 35 | ||||
| -rw-r--r-- | libs/ardour/vca.cc | 62 | ||||
| -rw-r--r-- | libs/ardour/wscript | 1 |
5 files changed, 157 insertions, 0 deletions
diff --git a/libs/ardour/ardour/gain_control.h b/libs/ardour/ardour/gain_control.h index 07a900a164..fa43b5d39f 100644 --- a/libs/ardour/ardour/gain_control.h +++ b/libs/ardour/ardour/gain_control.h @@ -40,6 +40,7 @@ class LIBARDOUR_API GainControl : public AutomationControl { void set_value (double val, PBD::Controllable::GroupControlDisposition group_override); void set_value_unchecked (double); + double get_value () const; double internal_to_interface (double) const; double interface_to_internal (double) const; @@ -49,8 +50,13 @@ class LIBARDOUR_API GainControl : public AutomationControl { double lower_db; double range_db; + + boost::shared_ptr<GainControl> master() const { return _master; } + void set_master (boost::shared_ptr<GainControl>); + private: void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override); + boost::shared_ptr<GainControl> _master; }; } /* namespace */ diff --git a/libs/ardour/ardour/vca.h b/libs/ardour/ardour/vca.h new file mode 100644 index 0000000000..a394dac35a --- /dev/null +++ b/libs/ardour/ardour/vca.h @@ -0,0 +1,53 @@ +/* + Copyright (C) 2016 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_vca_h__ +#define __ardour_vca_h__ + +#include <string> +#include <boost/shared_ptr.hpp> + +#include "pbd/controllable.h" + +#include "ardour/session_handle.h" + +namespace ARDOUR { + +class GainControl; +class Route; + +class LIBARDOUR_API VCA : public SessionHandleRef { + public: + VCA (Session& session, const std::string& name); + + void set_value (double val, PBD::Controllable::GroupControlDisposition group_override); + double get_value () const; + + boost::shared_ptr<AutomationControl> control() const { return _control; } + + void add (boost::shared_ptr<Route>); + void remove (boost::shared_ptr<Route>); + + private: + std::string name; + boost::shared_ptr<GainControl> _control; +}; + +} /* namespace */ + +#endif /* __ardour_vca_h__ */ diff --git a/libs/ardour/gain_control.cc b/libs/ardour/gain_control.cc index 867edaf5a3..5af0e2d397 100644 --- a/libs/ardour/gain_control.cc +++ b/libs/ardour/gain_control.cc @@ -36,6 +36,15 @@ GainControl::GainControl (Session& session, const Evoral::Parameter ¶m, boos range_db = accurate_coefficient_to_dB (_desc.upper) - lower_db; } +double +GainControl::get_value() const +{ + if (!_master) { + return AutomationControl::get_value(); + } + return AutomationControl::get_value() * _master->get_value(); +} + void GainControl::set_value (double val, PBD::Controllable::GroupControlDisposition group_override) { @@ -97,3 +106,29 @@ GainControl::get_user_string () const return std::string(theBuf); } +void +GainControl::set_master (boost::shared_ptr<GainControl> m) +{ + double old_master_val; + + if (_master) { + old_master_val = _master->get_value(); + } else { + old_master_val = 1.0; + } + + _master = m; + + double new_master_val; + + if (_master) { + new_master_val = _master->get_value(); + } else { + new_master_val = 1.0; + } + + if (old_master_val != new_master_val) { + Changed(); /* EMIT SIGNAL */ + } +} + diff --git a/libs/ardour/vca.cc b/libs/ardour/vca.cc new file mode 100644 index 0000000000..7580d5794a --- /dev/null +++ b/libs/ardour/vca.cc @@ -0,0 +1,62 @@ +/* + Copyright (C) 2016 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. +*/ + +#include "ardour/automation_control.h" +#include "ardour/gain_control.h" +#include "ardour/route.h" +#include "ardour/vca.h" + +using namespace ARDOUR; +using namespace PBD; +using std::string; + +VCA::VCA (Session& s, const string& n) + : SessionHandleRef (s) + , name (n) + , _control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr<AutomationList> ())) +{ +} + +void +VCA::set_value (double val, Controllable::GroupControlDisposition gcd) +{ + _control->set_value (val, gcd); +} + +double +VCA::get_value() const +{ + return _control->get_value(); +} + +void +VCA::add (boost::shared_ptr<Route> r) +{ + boost::dynamic_pointer_cast<GainControl>(r->gain_control())->set_master (_control); +} + +void +VCA::remove (boost::shared_ptr<Route> r) +{ + boost::shared_ptr<GainControl> route_gain = boost::dynamic_pointer_cast<GainControl>(r->gain_control()); + boost::shared_ptr<GainControl> current_master = route_gain->master(); + + if (current_master == _control) { + route_gain->set_master (boost::shared_ptr<GainControl>()); + } +} diff --git a/libs/ardour/wscript b/libs/ardour/wscript index 80ec8e8e93..a5ef2da595 100644 --- a/libs/ardour/wscript +++ b/libs/ardour/wscript @@ -231,6 +231,7 @@ libardour_sources = [ 'unknown_processor.cc', 'user_bundle.cc', 'utils.cc', + 'vca.cc', 'vumeterdsp.cc', 'worker.cc' ] |