X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fvca.cc;h=a2b16913bbb05c3bab47d43c4cbbfff78f6f4551;hb=b90baf217632b203e66c296217eb357637a18430;hp=67ca4733cb94fa60f6c6cc7a2081b33c8024be21;hpb=f44cac5cc60c0ad93da3a44db2517f09cc82f345;p=ardour.git diff --git a/libs/ardour/vca.cc b/libs/ardour/vca.cc index 67ca4733cb..a2b16913bb 100644 --- a/libs/ardour/vca.cc +++ b/libs/ardour/vca.cc @@ -1,33 +1,41 @@ /* - Copyright (C) 2016 Paul Davis + 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 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. + 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. + 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 "pbd/convert.h" + #include "ardour/automation_control.h" +#include "ardour/debug.h" #include "ardour/gain_control.h" +#include "ardour/monitor_control.h" +#include "ardour/rc_configuration.h" #include "ardour/route.h" +#include "ardour/session.h" #include "ardour/vca.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace ARDOUR; using namespace PBD; using std::string; -gint VCA::next_number = 0; +Glib::Threads::Mutex VCA::number_lock; +int32_t VCA::next_number = 1; +string VCA::xml_node_name (X_("VCA")); string VCA::default_name_template () @@ -35,42 +43,158 @@ VCA::default_name_template () return _("VCA %n"); } -int +int32_t VCA::next_vca_number () { - /* recall that atomic_int_add() returns the value before the add */ - return g_atomic_int_add (&next_number, 1) + 1; + /* we could use atomic inc here, but elsewhere we need more complete + mutex semantics, so we have to do it here also. + */ + Glib::Threads::Mutex::Lock lm (number_lock); + return next_number++; +} + +void +VCA::set_next_vca_number (int32_t n) +{ + Glib::Threads::Mutex::Lock lm (number_lock); + next_number = n; } -VCA::VCA (Session& s, const string& name, uint32_t num) - : SessionHandleRef (s) +int32_t +VCA::get_next_vca_number () +{ + Glib::Threads::Mutex::Lock lm (number_lock); + return next_number; +} + +VCA::VCA (Session& s, int32_t num, const string& name) + : Stripable (s, name, PresentationInfo (num, PresentationInfo::VCA)) + , Muteable (s, name) + , Automatable (s) , _number (num) - , _name (name) - , _control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr ())) + , _gain_control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr ())) { } -void -VCA::set_value (double val, Controllable::GroupControlDisposition gcd) +int +VCA::init () { - _control->set_value (val, gcd); + _solo_control.reset (new SoloControl (_session, X_("solo"), *this, *this)); + _mute_control.reset (new MuteControl (_session, X_("mute"), *this)); + + add_control (_gain_control); + add_control (_solo_control); + add_control (_mute_control); + + return 0; } -double -VCA::get_value() const +VCA::~VCA () { - return _control->get_value(); + DEBUG_TRACE (DEBUG::Destruction, string_compose ("delete VCA %1\n", number())); + { + Glib::Threads::Mutex::Lock lm (number_lock); + if (_number == next_number - 1) { + /* this was the "last" VCA added, so rewind the next number so + * that future VCAs get numbered as intended + */ + next_number--; + } + } } -void -VCA::add (boost::shared_ptr r) +XMLNode& +VCA::get_state () { - boost::dynamic_pointer_cast(r->gain_control())->add_master (_control); - std::cerr << name() << " now controlling " << r->name() << std::endl; + XMLNode* node = new XMLNode (xml_node_name); + node->add_property (X_("name"), _name); + node->add_property (X_("number"), _number); + + node->add_child_nocopy (_presentation_info.get_state()); + + node->add_child_nocopy (_gain_control->get_state()); + node->add_child_nocopy (_solo_control->get_state()); + node->add_child_nocopy (_mute_control->get_state()); + node->add_child_nocopy (get_automation_xml_state()); + + node->add_child_nocopy (Slavable::get_state()); + + return *node; +} + +int +VCA::set_state (XMLNode const& node, int version) +{ + XMLProperty const* prop; + + Stripable::set_state (node, version); + + if ((prop = node.property ("name")) != 0) { + set_name (prop->value()); + } + + if ((prop = node.property ("number")) != 0) { + _number = atoi (prop->value()); + } + + XMLNodeList const &children (node.children()); + for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) { + if ((*i)->name() == Controllable::xml_node_name) { + + XMLProperty* prop = (*i)->property ("name"); + + if (!prop) { + continue; + } + + if (prop->value() == _gain_control->name()) { + _gain_control->set_state (**i, version); + } + if (prop->value() == _solo_control->name()) { + _solo_control->set_state (**i, version); + } + if (prop->value() == _mute_control->name()) { + _mute_control->set_state (**i, version); + } + } else if ((*i)->name() == Slavable::xml_node_name) { + Slavable::set_state (**i, version); + } + } + + return 0; } void -VCA::remove (boost::shared_ptr r) +VCA::clear_all_solo_state () +{ + _solo_control->clear_all_solo_state (); +} + +MonitorState +VCA::monitoring_state () const +{ + /* XXX this has to get more complex but not clear how */ + return MonitoringInput; +} + +bool +VCA::slaved () const { - r->gain_control()->remove_master (_control); + if (!_gain_control) { + return false; + } + /* just test one particular control, not all of them */ + return _gain_control->slaved (); +} + +bool +VCA::slaved_to (boost::shared_ptr vca) const +{ + if (!vca || !_gain_control) { + return false; + } + + /* just test one particular control, not all of them */ + + return _gain_control->slaved_to (vca->gain_control()); }