move vca assignment up to the Route level (from GainControl)
[ardour.git] / libs / ardour / route.cc
index 8a98149fa05f55f6bdbaddca9647479d6b2f2d80..5332a7003608ff020e6cb269e77d4edb5c8ed69e 100644 (file)
@@ -69,6 +69,7 @@
 #include "ardour/session.h"
 #include "ardour/unknown_processor.h"
 #include "ardour/utils.h"
+#include "ardour/vca.h"
 
 #include "i18n.h"
 
@@ -78,10 +79,11 @@ using namespace PBD;
 
 PBD::Signal0<void> Route::SyncOrderKeys;
 PBD::Signal0<void> Route::RemoteControlIDChange;
+PBD::Signal3<int,boost::shared_ptr<Route>, boost::shared_ptr<PluginInsert>, Route::PluginSetupOptions > Route::PluginSetup;
 
 /** Base class for all routable/mixable objects (tracks and busses) */
 Route::Route (Session& sess, string name, Flag flg, DataType default_type)
-       : SessionObject (sess, name)
+       : Stripable (sess, name)
        , Automatable (sess)
        , GraphNode (sess._process_graph)
        , _active (true)
@@ -171,14 +173,9 @@ Route::init ()
        _output->changed.connect_same_thread (*this, boost::bind (&Route::output_change_handler, this, _1, _2));
        _output->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::output_port_count_changing, this, _1));
 
-#if 0 // not used - just yet
-       if (!is_master() && !is_monitor() && !is_auditioner()) {
-               _delayline.reset (new DelayLine (_session, _name));
-               add_processor (_delayline, PreFader);
-       }
-#endif
-
-       /* add amp processor  */
+       /* add the amp/fader processor.
+        * it should be the first processor to be added on every route.
+        */
 
        _gain_control = boost::shared_ptr<GainControllable> (new GainControllable (_session, GainAutomation, shared_from_this ()));
        add_control (_gain_control);
@@ -190,6 +187,13 @@ Route::init ()
                _amp->set_display_name (_("Monitor"));
        }
 
+#if 0 // not used - just yet
+       if (!is_master() && !is_monitor() && !is_auditioner()) {
+               _delayline.reset (new DelayLine (_session, _name));
+               add_processor (_delayline, PreFader);
+       }
+#endif
+
        /* and input trim */
 
        _trim_control = boost::shared_ptr<GainControllable> (new GainControllable (_session, TrimAutomation, shared_from_this ()));
@@ -1369,6 +1373,15 @@ Route::add_processor_from_xml_2X (const XMLNode& node, int version)
        }
 }
 
+
+inline Route::PluginSetupOptions operator|= (Route::PluginSetupOptions& a, const Route::PluginSetupOptions& b) {
+       return a = static_cast<Route::PluginSetupOptions> (static_cast <int>(a) | static_cast<int> (b));
+}
+
+inline Route::PluginSetupOptions operator&= (Route::PluginSetupOptions& a, const Route::PluginSetupOptions& b) {
+       return a = static_cast<Route::PluginSetupOptions> (static_cast <int>(a) & static_cast<int> (b));
+}
+
 int
 Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor> before, ProcessorStreams* err)
 {
@@ -1392,6 +1405,59 @@ Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor>
                return 0;
        }
 
+       ProcessorList to_skip;
+
+       // check if there's an instrument to replace or configure
+       for (ProcessorList::const_iterator i = others.begin(); i != others.end(); ++i) {
+               boost::shared_ptr<PluginInsert> pi;
+               if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) == 0) {
+                       continue;
+               }
+               if (!pi->plugin ()->get_info ()->is_instrument ()) {
+                       continue;
+               }
+               boost::shared_ptr<Processor> instrument = the_instrument ();
+               ChanCount in (DataType::MIDI, 1);
+               ChanCount out (DataType::AUDIO, 2); // XXX route's out?!
+
+               PluginSetupOptions flags = None;
+               if (instrument) {
+                       flags |= CanReplace;
+                       in = instrument->input_streams ();
+                       out = instrument->output_streams ();
+               }
+               if (pi->has_output_presets (in, out)) {
+                       flags |= MultiOut;
+               }
+
+               pi->set_strict_io (_strict_io);
+
+               PluginSetupOptions mask = None;
+               if (Config->get_ask_replace_instrument ()) {
+                       mask |= CanReplace;
+               }
+               if (Config->get_ask_setup_instrument ()) {
+                       mask |= MultiOut;
+               }
+
+               flags &= mask;
+
+               if (flags != None) {
+                       boost::optional<int> rv = PluginSetup (shared_from_this (), pi, flags);  /* EMIT SIGNAL */
+                       switch (rv.get_value_or (0)) {
+                               case 1:
+                                       to_skip.push_back (*i); // don't add this one;
+                                       break;
+                               case 2:
+                                       replace_processor (instrument, *i, err);
+                                       to_skip.push_back (*i);
+                                       break;
+                               default:
+                                       break;
+                       }
+               }
+       }
+
        {
                Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
                Glib::Threads::RWLock::WriterLock lm (_processor_lock);
@@ -1402,6 +1468,10 @@ Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor>
                        if (*i == _meter) {
                                continue;
                        }
+                       ProcessorList::iterator check = find (to_skip.begin(), to_skip.end(), *i);
+                       if (check != to_skip.end()) {
+                               continue;
+                       }
 
                        boost::shared_ptr<PluginInsert> pi;
 
@@ -2714,26 +2784,29 @@ Route::state(bool full_state)
                node->add_child_nocopy (_pannable->state (full_state));
        }
 
-       for (i = _processors.begin(); i != _processors.end(); ++i) {
-               if (!full_state) {
-                       /* template save: do not include internal sends functioning as
-                          aux sends because the chance of the target ID
-                          in the session where this template is used
-                          is not very likely.
-
-                          similarly, do not save listen sends which connect to
-                          the monitor section, because these will always be
-                          added if necessary.
-                       */
-                       boost::shared_ptr<InternalSend> is;
+       {
+               Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
+               for (i = _processors.begin(); i != _processors.end(); ++i) {
+                       if (!full_state) {
+                               /* template save: do not include internal sends functioning as
+                                        aux sends because the chance of the target ID
+                                        in the session where this template is used
+                                        is not very likely.
+
+                                        similarly, do not save listen sends which connect to
+                                        the monitor section, because these will always be
+                                        added if necessary.
+                                        */
+                               boost::shared_ptr<InternalSend> is;
 
-                       if ((is = boost::dynamic_pointer_cast<InternalSend> (*i)) != 0) {
-                               if (is->role() == Delivery::Listen) {
-                                       continue;
+                               if ((is = boost::dynamic_pointer_cast<InternalSend> (*i)) != 0) {
+                                       if (is->role() == Delivery::Listen) {
+                                               continue;
+                                       }
                                }
                        }
+                       node->add_child_nocopy((*i)->state (full_state));
                }
-               node->add_child_nocopy((*i)->state (full_state));
        }
 
        if (_extra_xml) {
@@ -3273,7 +3346,7 @@ Route::set_processor_state (const XMLNode& node)
 
        for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 
-               XMLProperty const * prop = (*niter)->property ("type");
+               XMLProperty* prop = (*niter)->property ("type");
 
                if (prop->value() == "amp") {
                        _amp->set_state (**niter, Stateful::current_state_version);
@@ -4659,13 +4732,13 @@ Route::gain_control() const
        return _gain_control;
 }
 
-boost::shared_ptr<GainControl>
+boost::shared_ptr<AutomationControl>
 Route::trim_control() const
 {
        return _trim_control;
 }
 
-boost::shared_ptr<Route::PhaseControllable>
+boost::shared_ptr<AutomationControl>
 Route::phase_control() const
 {
        if (phase_invert().size()) {
@@ -4981,12 +5054,13 @@ Route::setup_invisible_processors ()
 
        /* find the amp */
 
-       ProcessorList::iterator amp = new_processors.begin ();
-       while (amp != new_processors.end() && *amp != _amp) {
-               ++amp;
-       }
+       ProcessorList::iterator amp = find (new_processors.begin(), new_processors.end(), _amp);
 
-       assert (amp != new_processors.end ());
+       if (amp == new_processors.end ()) {
+               error << string_compose (_("Amp/Fader on Route '%1' went AWOL. Re-added."), name()) << endmsg;
+               new_processors.push_front (_amp);
+               amp = find (new_processors.begin(), new_processors.end(), _amp);
+       }
 
        /* and the processor after the amp */
 
@@ -5810,3 +5884,35 @@ Route::master_send_enable_controllable () const
        return boost::shared_ptr<AutomationControl>();
 #endif
 }
+
+bool
+Route::slaved_to (boost::shared_ptr<VCA> vca) const
+{
+       if (!vca || !_gain_control) {
+               return false;
+       }
+
+       return _gain_control->slaved_to (vca);
+}
+
+void
+Route::vca_assign (boost::shared_ptr<VCA> vca)
+{
+       _gain_control->add_master (vca);
+       vca->add_solo_target (shared_from_this());
+       vca->add_mute_target (shared_from_this());
+}
+
+void
+Route::vca_unassign (boost::shared_ptr<VCA> vca)
+{
+       if (!vca) {
+               /* unassign from all */
+               _gain_control->clear_masters ();
+               /* XXXX need to remove from solo/mute target lists */
+       } else {
+               _gain_control->remove_master (vca);
+               vca->remove_solo_target (shared_from_this());
+               vca->remove_mute_target (shared_from_this());
+       }
+}