X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fvca.cc;h=a2b16913bbb05c3bab47d43c4cbbfff78f6f4551;hb=6946bdc0830c9f0971d2cd0d54b27e343c54d96a;hp=6b3504ea0fa55f064288c256d888d896effaab1e;hpb=6b7a384e340ab363107e4ebc297fc24810b813cb;p=ardour.git diff --git a/libs/ardour/vca.cc b/libs/ardour/vca.cc index 6b3504ea0f..a2b16913bb 100644 --- a/libs/ardour/vca.cc +++ b/libs/ardour/vca.cc @@ -1,37 +1,40 @@ /* - 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 @@ -40,59 +43,64 @@ 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++; } -VCA::VCA (Session& s, const string& name, uint32_t num) - : SessionHandleRef (s) - , Automatable (s) - , _number (num) - , _name (name) - , _control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr ())) - , _solo_requested (false) - , _mute_requested (false) +void +VCA::set_next_vca_number (int32_t n) { - add_control (_control); + Glib::Threads::Mutex::Lock lm (number_lock); + next_number = n; } -VCA::VCA (Session& s, XMLNode const & node, int version) - : SessionHandleRef (s) - , Automatable (s) - , _number (0) - , _control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr ())) - , _solo_requested (false) - , _mute_requested (false) +int32_t +VCA::get_next_vca_number () { - add_control (_control); - - set_state (node, version); + Glib::Threads::Mutex::Lock lm (number_lock); + return next_number; } -VCA::~VCA () +VCA::VCA (Session& s, int32_t num, const string& name) + : Stripable (s, name, PresentationInfo (num, PresentationInfo::VCA)) + , Muteable (s, name) + , Automatable (s) + , _number (num) + , _gain_control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr ())) { - DropReferences (); /* emit signal */ } -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)); -double -VCA::get_value() const -{ - return _control->get_value(); + add_control (_gain_control); + add_control (_solo_control); + add_control (_mute_control); + + return 0; } -void -VCA::set_name (string const& str) +VCA::~VCA () { - _name = str; + 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--; + } + } } XMLNode& @@ -101,12 +109,16 @@ VCA::get_state () XMLNode* node = new XMLNode (xml_node_name); node->add_property (X_("name"), _name); node->add_property (X_("number"), _number); - node->add_property (X_("soloed"), (_solo_requested ? X_("yes") : X_("no"))); - node->add_property (X_("muted"), (_mute_requested ? X_("yes") : X_("no"))); - node->add_child_nocopy (_control->get_state()); + 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; } @@ -115,6 +127,8 @@ 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()); } @@ -126,10 +140,24 @@ VCA::set_state (XMLNode const& node, int version) 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 && prop->value() == X_("gaincontrol")) { - _control->set_state (**i, version); + + 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); } } @@ -137,84 +165,36 @@ VCA::set_state (XMLNode const& node, int version) } void -VCA::add_solo_mute_target (boost::shared_ptr r) +VCA::clear_all_solo_state () { - Glib::Threads::RWLock::WriterLock lm (solo_mute_lock); - solo_mute_targets.push_back (r); - r->DropReferences.connect_same_thread (solo_mute_connections, boost::bind (&VCA::solo_mute_target_going_away, this, boost::weak_ptr (r))); + _solo_control->clear_all_solo_state (); } -void -VCA::remove_solo_mute_target (boost::shared_ptr r) +MonitorState +VCA::monitoring_state () const { - Glib::Threads::RWLock::WriterLock lm (solo_mute_lock); - solo_mute_targets.remove (r); + /* XXX this has to get more complex but not clear how */ + return MonitoringInput; } -void -VCA::solo_mute_target_going_away (boost::weak_ptr wr) +bool +VCA::slaved () const { - boost::shared_ptr r (wr.lock()); - if (!r) { - return; + if (!_gain_control) { + return false; } - - Glib::Threads::RWLock::WriterLock lm (solo_mute_lock); - solo_mute_targets.remove (r); + /* just test one particular control, not all of them */ + return _gain_control->slaved (); } -void -VCA::set_solo (bool yn) -{ - { - Glib::Threads::RWLock::ReaderLock lm (solo_mute_lock); - - if (yn == _solo_requested) { - return; - } - - if (solo_mute_targets.empty()) { - return; - } - - boost::shared_ptr rl (new RouteList (solo_mute_targets)); - - if (Config->get_solo_control_is_listen_control()) { - _session.set_listen (rl, yn, Session::rt_cleanup, Controllable::NoGroup); - } else { - _session.set_solo (rl, yn, Session::rt_cleanup, Controllable::NoGroup); - } - } - - _solo_requested = yn; - SoloChange(); /* EMIT SIGNAL */ -} - -void -VCA::set_mute (bool yn) +bool +VCA::slaved_to (boost::shared_ptr vca) const { - { - Glib::Threads::RWLock::ReaderLock lm (solo_mute_lock); - if (yn == _mute_requested) { - return; - } - - boost::shared_ptr rl (new RouteList (solo_mute_targets)); - _session.set_mute (rl, yn, Session::rt_cleanup, Controllable::NoGroup); + if (!vca || !_gain_control) { + return false; } - _mute_requested = yn; - MuteChange(); /* EMIT SIGNAL */ -} + /* just test one particular control, not all of them */ -bool -VCA::soloed () const -{ - return _solo_requested; -} - -bool -VCA::muted () const -{ - return _mute_requested; + return _gain_control->slaved_to (vca->gain_control()); }